实用新型专利权利请求书中英文版.doc

实用新型专利权利请求书
权利请求书
1、 一种调节汽车座椅靠背的电机齿轮减速机构，包含有输出齿轮（ 4 ），其特征在于，电机输出端连接一个涡杆（ 1 ），涡杆（ 1 ）与一个涡轮（ 2 ）相啮合，与所述涡轮（ 2 ）同轴固定一个输入齿轮（ 3 ），所述输入齿轮（ 3 ）与输出齿轮（ 4 ）相啮合。
2, 根据权利要求 1 所述的调节汽车座椅靠背的电机齿轮减速机构，其特征在于，所述输入齿轮（ 3 ）采用金属材料。
3, 根据权利要求 2 所述的调节汽车座椅靠背的电机齿轮减速机构，其特征在于，所述涡轮（ 2 ）或输出齿轮（ 4 ）采用塑料材料。
4, 根据权利要求 1―3 任一所述的调节汽车座椅靠背的电机齿轮减速机构，其特征在于，涡杆、涡轮减速比为 25 ─ 45 ： 1 ，齿轮的减速比为 34 ─ 43 ： 8 ─ 12 。
5, 根据权利要求 4 所述的调节汽车座椅靠背的电机齿轮减速机构，其特征在于，涡杆、涡轮减速比为 37 ： 1 ，齿轮的减速比为 37 ： 9 。
6, 根据权利要求 1 所述的调节汽车座椅靠背的电机齿轮减速机机构，其特征在于，所述的输出齿轮（ 4 ）的内轴心（ 5 ）是梅花键孔结构。

Claim
1, A kind of retardment mechanism of electric machinery gear for regulation of automobile seat back comprises an output gear (4), characterized in that, there is a scroll bar (1) at the output end, which meshes with a turbine (2) and fixes an input gear (3) by the same axis with said turbine (2), and said input gear (3) and the output gear (4) mesh each other.
2, The retardment mechanism of electric machinery gear for regulation of automobile seat back in accordance with claim 1, characterized in that, said input gear (3) is made of metal.
3, The retardment mechanism of electric machinery gear for regulation of automobile seat back in accordance with claim 2, characterized in that, said turbine (2) or the output gear (4) is made of plastic.
4, The retardment mechanism of electric machinery gear for regulation of automobile seat back in accordance with claim from 1 to 3, characterized in that, the reduced speed ratio between the scroll bar and the turbine reducer is 25-45 : 1, and the reduced speed ratio between the gear reducers is 34-43:8-12.
5, The retardment mechanism of electric machinery gear for regulation of automobile seat back in accordance with claim 4, characterized in that, the reduced speed ratio between the scroll bar and the turbine reducer is 37: 1, and the reduced speed ratio between the gear reducers is 37: 9.
6, The retardment mechanism of electric machinery gear for regulation of automobile seat back in accordance with claim 1, characterized in that, the interior axis (5) of said output gear (4) is made in the frame of the keyhole of plum blossom.