Dewertokin Technology Group Co., Ltd.

Okin Refined Electric Technology Co., Ltd

Minglong Lei

Long Li

Chenjian Lei

Bin Shen

Kangming Tao

Pengfei He

Guangjiao Zhang

Haoxiang Zhu

Zuochao Lv

An interlockingly extending driving mechanism for an electric sofa, including a backrest adjusting assembly provided in a sofa seat frame. A footrest assembly is provided at one end, remote from the backrest, of the backrest adjusting assembly, and the backrest adjusting assembly is connected with the footrest adjusting assembly. The footrest adjusting assembly includes a supporting rod which is vertically and fixedly provided on the surface of one side of the backrest adjusting assembly, a driving unit is provided on the supporting rod, the driving unit is drivingly connected with a transmitting screw, an interlocking unit is movably connected to one end, close to the footrest, of the transmitting screw, the interlocking unit is movably connected with the footrest, and when the transmitting screw drives the interlocking unit to move, the interlocking unit drives the footrest assembly to extend or fold.

Interlockingly extending driving mechanism for electric sofa

The present application relates to a sofa backrest adjusting apparatus with integrated headrest and lumbar cushion, which comprises a frame body arranged in a sofa cover, wherein a support rod is arranged in the middle of the frame body, a bearing support frame is arranged on the support rod, and a headrest driving mechanism and a lumbar cushion driving mechanism are arranged on the bearing support frame; the headrest driving mechanism comprises a first power module and a first transmission lead screw, the lumbar cushion driving mechanism comprises a second power module and a second transmission lead screw. According to the present application, when the first transmission lead screw and the second transmission lead screw are broken, only the second transmission lead screw needs to be replaced, so that the maintenance cost of the electric sofa can be reduced.

Sofa backrest adjusting apparatus with integrated headrest and lumbar cushion

A quick assembly structure used for a linear driver includes a motor, an upper shell and a lower shell. The motor is combined with the lower shell through a clamping mechanism, and the lower shell is covered with the upper shell.

Quick assembly structure used for linear driver

A driver cabinet structure includes an upper driver cabinet, a lower driver cabinet, a motor front-end cover and a motor brush rack plate, wherein the motor front-end cover is disposed on the lower driver cabinet; the motor front-end cover is provided with the motor brush rack plate thereon and screw holes on a lateral surface; the motor brush rack plate is provided with brush holders thereon and a through hole in the center; front and rear ends of each of the brush holders are both open and intercommunicated; a limit step is disposed in the through hole; lug bosses are disposed on the limit step; and the lower driver cabinet, the motor front-end cover, the motor brush rack plate and the brush holders are integrally formed.

Driver cabinet structure

A quick assembly structure used for a driver is provided. The driver comprises a motor, an upper shell and a lower shell, and the upper shell is combined with the lower shell. The quick assembly structure comprises a clamping cavity formed in the lower shell. The upper shell is provided with a clamping piece to be inlaid in the clamping cavity. One end of the clamping piece is fixedly connected to the upper shell, and the other end of the clamping piece is an open end. A clamping hole is formed in a side of the lower shell, and the upper shell is provided with a first hook to be inlaid in the clamping hole.

Quick assembly structure used for driver

Connecting device of linear drive includes a main body part with a rectangular profile, and a hardware stamping. The two opposite sides of the main body part are respectively fixedly connected with the hardware stamping. The middle portion of the main body part has a hollow cavity. A threaded axle hole device with threaded holes inside is accommodated in and fixedly connected with the cavity. The lateral walls of the cavity have locating protrusions. The hardware stamping includes two reverse bends between which the portion is disposed above the main body part. The lower portion of the hardware stamping is tightly adhered to the lateral side of the main body and bolted, while the upper portion of the hardware stamping has a connecting hole. The connecting device is light in structure, small in size and more convenient to install and is improved in bearing capability and operation stability.

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Zhejiang, China

Minglong Lei