Head and waist integrated device
View Patent ↗A head and waist integrated device includes a bracket body. The bracket body is provided with a headrest flipping mechanism and a waist ejecting mechanism. The waist ejecting mechanism includes a fixing base fixedly connected to the bracket body, a first driver rotatably connected to one end of the fixing base, a folding link assembly respectively rotatably connected to the first driver and the fixing base, and a waist ejecting member rotatably connected to the folding link assembly. The folding link assembly has a plurality of links disposed therein, crossing and rotatably connected to each other.
1. A head and waist integrated device, comprising a bracket body, wherein the bracket body is provided with a headrest flipping mechanism and a waist ejecting mechanism, and the waist ejecting mechanism includes a fixing base fixedly connected to the bracket body, a first driver rotatably connected to one end of the fixing base, a folding link assembly respectively rotatably connected to the first driver and the fixing base, and a waist ejecting member rotatably connected to the folding link assembly, and the folding link assembly has a plurality of links disposed therein, and the links cross and are rotatably connected to each other,
wherein the folding link assembly includes a first link and a second link; the first link has one end rotatably connected to the first driver, and the other end rotatably connected to the waist ejecting member; the second link has one end rotatably connected to the fixing base, and the other end rotatably connected to the waist ejecting member; a middle portion of the first link is rotatably connected to a middle portion of the second link.
2. The head and waist integrated device according to claim 1 , wherein a sliding slot is defined in the fixing base, and the end of the first link that is rotatably connected to the first driver is slidably connected to the sliding slot.
3. The head and waist integrated device according to claim 2 , wherein the headrest flipping mechanism includes a second driver rotatably connected to the bracket body, and a headrest rotatably connected to the second driver, the headrest being rotatably connected to the bracket body.
4. The head and waist integrated device according to claim 1 , wherein the first driver is an electric push rod.
5. The head and waist integrated device according to claim 4 , wherein the headrest flipping mechanism includes a second driver rotatably connected to the bracket body, and a headrest rotatably connected to the second driver, the headrest being rotatably connected to the bracket body.
6. The head and waist integrated device according to claim 1 , wherein the waist ejecting member is an L-shaped plate structure.
7. The head and waist integrated device according to claim 6 , wherein the headrest flipping mechanism includes a second driver rotatably connected to the bracket body, and a headrest rotatably connected to the second driver, the headrest being rotatably connected to the bracket body.
8. The head and waist integrated device according to claim 1 , wherein the headrest flipping mechanism includes a second driver rotatably connected to the bracket body, and a headrest rotatably connected to the second driver, the headrest being rotatably connected to the bracket body.
9. The head and waist integrated device according to claim 8 , wherein the headrest includes a second crossbar rotatably connected to the second driver, and a headrest rotating sheet fixedly connected to both ends of the second crossbar, the headrest rotating sheet being rotatably connected to the bracket body.
10. The head and waist integrated device according to claim 8 , wherein a first crossbar is fixedly connected between the bracket body and the fixing base, and the second driver is rotatably connected to the first crossbar.
11. The head and waist integrated device according to claim 8 , wherein the second driver is an electric push rod.
12. The head and waist integrated device according to claim 8 , wherein a return spring is connected and disposed between the headrest and the bracket body.