Headrest framework structure for automobile seat

Abstract

The invention a headrest framework structure for a automobile seat. Theheadrest framework structure comprises a head framework, an adjusting mechanism is fixedly installed at the bottom end of the head framework, the adjusting mechanism comprises first rotating seats fixedly installed at the two ends of the bottom of the head framework, and one sides of the two first rotating seats are movably connected with second rotating seats; an outer sleeve rod is fixedly mounted at the bottom end of each second rotating seat, an inner sleeve rod is in threaded connection with the interior of the outer sleeve rod, a rotating column is sleeved with the inner sleeve rod, a first screw rod is fixedly mounted at the top of the rotating column, a gear fixedly mounted on the outer side of the rotating column is arranged at the bottom of the inner sleeve rod, and a second screw rod is connected to one side of the gear in a meshed mode. The headrest framework structure has the beneficial effects that the distance between the inner sleeve rod and the outer sleeve rod can be changed through rotation of the rotating column in the inner sleeve rod, the height of the head framework can be adjusted more conveniently, and the head framework can be detached from the top of the seat more conveniently through movement of the inserting rod driven by the electric telescopic rod.

Description

technical field [0001] The invention belongs to the technical field of car seats, and in particular relates to a headrest frame structure used for car seats. Background technique [0002] Car headrests are divided into two types: fixed and movable. In the high-back seat, the headrest and the backrest are integrated, and the headrest cannot be disassembled. This kind of high-back seat is mainly used in passenger cars, and this kind of headrest is mainly installed on the bus. In the low-back seat, the headrest and the backrest are separable. The headrest is a separate object, which is inserted into the socket of the seat backrest in the form of a single pin or double pins and fixed on the backrest. This kind of low-back seat is multi-purpose. In passenger cars, the headrests of low-back seats can be divided into adjustable or fixed types, and the adjustable type can be divided into manual adjustment or electric adjustment, which are used to adjust the up and down height and f...

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a headrest frame structure for a car seat, aiming to solve the problem in the prior art that the required function of the headrest is to protect the user's head, and different The height and angle of the head of the person will be different, and the skeleton structure with the same height and angle may cause a certain degree of safety hazard to the head of the user

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