阅读说明：本技术 单电机驱动的电动沙发椅架 (Single motor driven electric sofa chair frame ) 是由 徐梅钧 吴亚新 高志亮 于 2019-12-17 设计创作，主要内容包括：本发明公开了一种单电机驱动的电动沙发椅架,包括底座以及驱动电机,驱动电机的另一端连接在旋转粱组件上,底座上铰接有抬升机构,旋转粱组件包括推管以及传动件,传动件的下端铰接在抬升机构上,上端连接有推力连杆,推力连杆与伸展机构铰接,驱动电机带动旋转粱组件使伸展机构伸展或者收起,抬升机构包括与第一传动板和第二传动板,第一传动板和第二传动板的上端铰接有第三传动板,第三传动板与伸展机构固定连接,第三传动板上设有限位件,限位件与传动件相卡接。通过上述方式,本发明单电机驱动的电动沙发椅架,能够通过单电机驱动实现椅架的抬升和收缩,简化了结构,提高了抬升稳定性和舒适性。(The invention discloses a single-motor-driven electric sofa chair frame, which comprises a base and a driving motor, wherein the other end of the driving motor is connected to a rotating beam assembly, a lifting mechanism is hinged to the base, the rotating beam assembly comprises a push pipe and a transmission piece, the lower end of the transmission piece is hinged to the lifting mechanism, the upper end of the transmission piece is connected with a thrust connecting rod, the thrust connecting rod is hinged to an extension mechanism, the driving motor drives the rotating beam assembly to extend or retract the extension mechanism, the lifting mechanism comprises a first transmission plate and a second transmission plate, the upper ends of the first transmission plate and the second transmission plate are hinged to a third transmission plate, the third transmission plate is fixedly connected with the extension mechanism, a limiting piece is arranged on the third transmission plate, and the limiting piece is clamped with the transmission piece. Through the mode, the single-motor driven electric sofa chair frame can realize lifting and contraction of the chair frame through single motor driving, simplifies the structure and improves the lifting stability and comfort.)

1. A single-motor-driven electric sofa chair frame comprises a base and a driving motor movably mounted on the left upper portion, and is characterized in that the other end of the driving motor is connected to a rotary beam assembly, a lifting mechanism is hinged to the base, the rotary beam assembly comprises a push pipe connected with the driving motor and transmission members mounted on the left side and the right side of the push pipe, the lower end of each transmission member is hinged to the lifting mechanism, the upper end of each transmission member is connected with a thrust connecting rod, the thrust connecting rods are hinged to a stretching mechanism, the driving motor contracts or opens to drive the rotary beam assembly to stretch or retract the stretching mechanism, the lifting mechanism comprises a first transmission plate and a second transmission plate hinged to the base, the upper ends of the first transmission plate and the second transmission plate are hinged to a third transmission plate, the third transmission plate is fixedly connected with the stretching mechanism, and a limiting member is arranged on the third transmission plate, the locating part is connected with the transmission part in a clamped mode, so that the driving motor drives the lifting mechanism to rotate and lift around the base through the transmission part.

2. The single-motor-driven electric sofa chair frame according to claim 1, wherein the rotary beam assembly is located inside the lifting mechanism, the transmission member is an arc-shaped transmission member, and a groove inside the transmission member is clamped with the limiting member.

3. The single motor driven electric sofa chair frame according to claim 2, wherein the limiting member protrudes inward to engage with the transmission member, and drives the third transmission plate to rotate around the first transmission plate and the second transmission plate to the extreme position by the transmission member, and then pulls the first transmission plate and the second transmission plate to rotate around the base.

4. The single motor driven electric sofa chair frame according to any one of claims 1-3, wherein the lifting mechanism is a bilateral symmetry structure, and the left and right sides are connected by a plurality of connecting square tubes.

5. The single motor driven electric sofa chair frame according to claim 4, wherein the extension mechanism comprises a side beam side plate connected with a thrust link, the side beam side plate is connected with the first connecting plate at the left and right ends, and the extension components are installed at the left and right sides of the first connecting plate.

6. The single motor driven electric sofa chair frame according to claim 5, wherein the lower end of the driving motor is hinged on the mounting seat of the base.

Technical Field

The invention relates to the field of electric furniture, in particular to an electric sofa chair frame driven by a single motor.

Background

Along with the development of science and technology and the improvement of living standard, electric furniture increasingly enters daily life. The existing electric sofa generally has functions of lifting the chair frame and extending the legs, but the functions are generally controlled by a motor independently. The structure of the electric sofa is complex, the assembly is difficult, the stability in the lifting process is poor, the lifting angle is limited, and the use requirement cannot be met.

Disclosure of Invention

The invention mainly solves the technical problem of providing the electric sofa chair frame driven by the single motor, which can realize the lifting and the contraction of the chair frame through the single motor driving, simplify the structure and improve the lifting stability and the comfort.

In order to solve the technical problems, the invention adopts a technical scheme that: the single-motor driven electric sofa chair frame comprises a base and a driving motor movably mounted on the left upper part, the other end of the driving motor is connected to a rotary beam component, a lifting mechanism is hinged to the base, the rotary beam component comprises a push pipe connected with the driving motor and transmission parts mounted on the left side and the right side of the push pipe, the lower end of each transmission part is hinged to the lifting mechanism, the upper end of each transmission part is connected with a thrust connecting rod, the thrust connecting rods are hinged to a stretching mechanism, the driving motor is contracted or opened to drive the rotary beam component to stretch or retract the stretching mechanism, the lifting mechanism comprises a first transmission plate and a second transmission plate hinged to the base, the upper ends of the first transmission plate and the second transmission plate are hinged to a third transmission plate, the third transmission plate is fixedly connected with the stretching mechanism, and a limiting part is arranged on the third transmission plate, the locating part is connected with the transmission part in a clamped mode, so that the driving motor drives the lifting mechanism to rotate and lift around the base through the transmission part.

In a preferred embodiment of the present invention, the rotating beam assembly is located inside the lifting mechanism, the transmission member is an arc-shaped transmission member, and the groove inside the transmission member is engaged with the limiting member.

In a preferred embodiment of the present invention, the limiting member protrudes inward, is engaged with the transmission member, and drives the third transmission plate to rotate around the first transmission plate and the second transmission plate to the limit position through the transmission member, and then continues to pull the first transmission plate and the second transmission plate to rotate around the base.

In a preferred embodiment of the present invention, the lifting mechanism is a bilateral symmetric structure, and the left side and the right side are connected through a plurality of square connecting tubes.

In a preferred embodiment of the present invention, the extension mechanism comprises a side sill edge plate connected to the thrust link, the side sill edge plate having left and right ends connected to a first link plate, the first link plate having extension members mounted on both left and right sides thereof.

In a preferred embodiment of the present invention, the lower end of the driving motor is hinged to the mounting seat of the base.

The invention has the beneficial effects that: the electric sofa chair frame driven by the single motor can realize the lifting and the contraction of the chair frame through the single motor driving, thereby simplifying the structure and improving the lifting stability and the comfort.

Drawings

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

FIG. 1 is a schematic structural view of a preferred embodiment of a single motor driven electric sofa chair frame according to the present invention;

FIG. 2 is a schematic view of the extended state of FIG. 1;

FIG. 3 is a schematic view of the elevated state of FIG. 1;

the parts in the drawings are numbered as follows: 1. the device comprises a base, 11, a motor mounting seat, 2, a driving motor, 3, a rotary beam assembly, 31, a push pipe, 32, a transmission part, 33, a thrust connecting rod, 4, a lifting mechanism, 41, a first transmission plate, 42, a second transmission plate, 43, a third transmission plate, 44, a limiting part, 45, a connecting square pipe, 5, an extension mechanism, 51, a side beam side plate, 52, a first connecting plate, 53 and an extension assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a single-motor driven electric sofa chair frame comprises a base 1 and a driving motor 2 movably mounted on the left, the other end of the driving motor 2 is connected to a rotary beam assembly 3, a lifting mechanism 4 is hinged to the base 1, the rotary beam assembly 3 comprises a push tube 31 connected to the driving motor 2 and transmission members 32 mounted on the left and right sides of the push tube 31, the lower end of the transmission member 32 is hinged to the lifting mechanism 4, the upper end of the transmission member is connected to a push link 33, the push link 33 is hinged to an extension mechanism 5, the driving motor 2 is retracted or opened to drive the rotary beam assembly 3 to extend or retract the extension mechanism, the lifting mechanism 4 comprises a first transmission plate 41 and a second transmission plate 42 hinged to the base 1, the upper ends of the first transmission plate 41 and the second transmission plate 42 are hinged to a third transmission plate 43, the third transmission plate 43 is fixedly connected to the extension mechanism 5, the third transmission plate 43 is provided with a limiting member 44, and the limiting member 44 is connected to the transmission member 32 in a clamping manner, so that the driving motor 2 drives the lifting mechanism 4 to rotate and lift around the base 1 through the transmission member 32.

In addition, the rotary beam assembly 3 is located inside the lifting mechanism 4, the transmission member 32 is an arc-shaped transmission member, and a groove (a mark in the figure) inside the transmission member 32 is clamped with the limiting member 44.

In addition, the limiting member 44 protrudes inward, is engaged with the transmission member 32, and drives the third transmission plate 43 to rotate around the first transmission plate 41 and the second transmission plate 42 to the limit position through the transmission member 32, and then continuously pulls the first transmission plate 41 and the second transmission plate 42 to rotate around the base 1.

In addition, the lifting mechanism 4 has a left-right symmetrical structure, and the left and right sides are connected by a plurality of square connecting pipes 45.

In addition, the stretching mechanism 5 includes a side sill 51 connected to the thrust link 33, the side sill 51 is connected to the first connecting plate 52 at both left and right ends thereof, stretching units 53 are installed on both left and right sides of the first connecting plate 52, and the stretching units 53 are conventional stretching unit mechanisms in electric sofas.

In addition, the lower end of the driving motor 2 is hinged on the mounting seat 11 of the base 1.

The electric sofa chair frame driven by the single motor has the following specific working principle: when the driving motor 2 contracts, the pushing pipe 31 is pulled backwards to enable the pulling force to be transmitted to the pushing connecting rod 33 through the transmission piece 32, the pushing connecting rod 33 transmits the pushing force to the edge beam edge plate 51 of the extension mechanism 5, and the extension action of the whole extension mechanism 5 is completed through the driving of the edge beam edge plate 51. And when the motor is turned on similarly, the steps are repeated to enable the stretching mechanism 5 to be contracted. After the stretching mechanism 5 finishes contracting, the driving motor 2 continues to be opened, the transmission part 32 of the rotary beam assembly 3 continues to move until being clamped with the limiting part 44 of the lifting mechanism 4, at the moment, the rotary beam assembly 3 and the lifting mechanism 4 are locked to form a whole, the motor continues to be opened, the rotary beam assembly 3 drives the third transmission plate 43 of the lifting mechanism 4 to rotate firstly, after the third transmission plate 43 rotates to a limit position, the first transmission plate 41 and the second transmission plate 42 are driven to rotate around the base 1 to a limit position, and at the moment, the lifting of the whole chair frame is completed. Lifting at a wide range of angles of 59 +/-2 degrees can be achieved through the cooperation of the rotary beam assembly and the lifting mechanism.

Compared with the prior art, the single-motor driven electric sofa chair frame can realize the lifting and the contraction of the chair frame through the single-motor drive, simplifies the structure and improves the lifting stability and the comfort.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.