Clutch type manual waist support adjustor for automobile seat

Abstract

The invention relates to an automobile seat accessory, in particular to a clutch type manual waist support adjustor for an automobile seat. The adjustor comprises an upper shell, a lower shell, a stay wire, a wire wheel, a shaft sleeve and a shifting fork; the adjustor also comprises a clutch block arranged in the shaft sleeve and a pressure spring arranged in an inner hole of the clutch block, the shaft sleeve is sheathed on a braking terminal of the wire wheel; the clutch block with the pressure spring is arranged in the shaft sleeve; one end of the pressure spring in the clutch block pushes against the interior of the hole of the clutch block, and the other end of the pressure spring pushes against the inner wall of the braking terminal of the wire wheel; a pushing terminal is arranged below a shifting fork, one side of the pushing terminal is provided with two contact surfaces; and during installation, the pushing terminal is inserted in the shaft sleeve and corresponds to one end of the clutch block and the braking terminal of the wire wheel. Due to the adoption of the structure, the clutch type manual waist support adjustor has the advantages that the operation is labor-saving, the adjustment is convenient and flexible, the structure is simple and reasonable, the cost is low, the production is easily controlled, the product percent of pass is high.

Description

technical field [0001] The invention relates to a car seat accessory, in particular to a clutch type car seat manual lumbar support adjuster. Background technique [0002] In recent years, the development momentum of my country's automobile industry has been strong, and China has become the third country after the United States and Japan to produce more than 10 million vehicles per year, and has entered the ranks of countries with tens of millions of vehicles. [0003] With the increase of personal family income, cars are not only the office and transportation tools of government agencies and enterprises, but also the first choice for household consumption. People not only put forward higher requirements for the brand, safety and quality of cars, but also Pay attention to the comfort of driving, among which the comfort of the car seat is very important. We know that in order to reduce the fatigue caused by long-term driving, the car seat is usually equipped with a lumbar su...

AI Technical Summary

Problems solved by technology

[0004] Although the manual lumbar support adjuster currently used in the market has realized the adjustment function for the lumbar support, it still has certain shortcomings and deficiencies, which are specifically manifested in: ①, the structure is complex, it is easy to get stuck when unlocking, and the rotation is not flexible

②, complex assembly, high labor intensity and high cost

③. The process precision of the product is high, it is difficult to control during production, and the pass rate of the product is low

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