Height adjusting device for seat of commercial vehicle

Abstract

The invention discloses a height adjusting device for a seat of a commercial vehicle. The height adjusting device for the seat of the commercial vehicle comprises a base, an upper frame and a supporting spring, wherein the upper frame is composed of two edge plates and a top plate, and the two ends of the supporting spring are connected to the base and the top plate respectively. The height adjusting device for the seat of the commercial vehicle further comprises two groups of tooth groove columns and two rotating shafts, wherein each tooth groove column is provided with a plurality of tooth grooves which are communicated with one another, the two ends of each rotating shaft are respectively provided with a shaft sleeve, each group of tooth groove columns comprises two tooth groove columns, the four corners of the top plate are respectively provided with a receding hole matched with the corresponding tooth groove column, the bottom of each tooth groove column is installed on the base, the top end of each tooth groove column is located in the corresponding receding hole, the two ends of each edge plate are provided with limiting holes matched with the corresponding tooth groove column group, each rotating shaft is located in the corresponding tooth grooves of the corresponding tooth groove column group, and the shaft sleeves are located in the limiting holes. According to the height adjusting device for the seat of the commercial vehicle, through a simple mechanical mechanism, the height is controlled in the mode that the rotating shafts are meshed with the corresponding tooth grooves when the rotating shafts vertically move in the corresponding tooth grooves, so that the function of adjusting the height is achieved, and the structure is simple and reliable.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to a commercial vehicle seat height adjustment device. Background technique [0002] In automobile ergonomics, the postures of the human body in various percentiles are different when driving. How to ensure that various human bodies (people of different heights and weights) can be in the right position when driving. For automobiles Seats have further requirements. The height adjustment device is produced to solve the different heights of various types of human driving. At the same time, the comfort requirements for individual occupants are also different. The height adjustment device can adjust the torso angle of the human body to meet the individual comfort requirements. [0003] The existing seat height adjustment device mainly uses the handle to drive the gear to rotate, the gear rotates to drive the balance wheel to swing, and the balance wheel swings to drive the connecting...

AI Technical Summary

Problems solved by technology

[0003] The existing seat height adjustment device mainly uses the handle to drive the gear to rotate, the gear rotates to drive the balance wheel to swing, and the balance wheel swings to drive the connecting rod mechanism to achieve the purpose of height adjustment. The self-locking device composed of accessories has complex structure and difficult process

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