Sofa
The invention relates to the technical field of sofas, in particular to a sofa which comprises a sofa seat plate and a rotary backup plate rotationally connected to the sofa seat plate, a transmission worm gear is fixedly connected to the rotary backup plate, a transmission worm is rotationally conn...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to the technical field of sofas, in particular to a sofa which comprises a sofa seat plate and a rotary backup plate rotationally connected to the sofa seat plate, a transmission worm gear is fixedly connected to the rotary backup plate, a transmission worm is rotationally connected to the sofa seat plate, and the transmission worm is in meshing transmission connection with the transmission worm gear. A shielding curved sliding plate is fixedly connected to the rotating backup plate, the axis of the shielding curved sliding plate and the rotating axis of the rotating backup plate are located on the same straight line, the shielding curved sliding plate is slidably connected with the sofa seat plate, a bearing sliding plate is fixedly connected to the rotating backup plate, a supporting and fixing curved plate is slidably connected to the bearing sliding plate, and a jacking headrest is fixedly connected to the supporting and fixing curved plate. A limiting sliding groove is formed in the |
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