CN211195927U

CN211195927U - Horizontal straight line adjustment mechanism of car seat

Info

Publication number: CN211195927U
Application number: CN201921601560.7U
Authority: CN
Inventors: 陆映洁; 江宏灵; 王向征; 何丹
Original assignee: Wuhu Ruitai Auto Parts Co Ltd
Current assignee: Wuhu Ruitai Auto Parts Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-08-07
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to the technical field of auto-parts, in particular to horizontal linear adjustment mechanism of car seat, lower base rail and last slide rail including two sets of parallel distribution, go up slide rail limit slidable mounting in base rail down, the inside of every group base rail all is equipped with sharp running gear, sharp running gear comprises lead screw and gear box, the lead screw passes through the horizontal rotation of lead screw seat and installs in base rail down, and the lead screw is parallel with lower base rail, the gear box is installed on the lead screw, and the power take off end and the screw connection of gear box, go up slide rail and lower base rail sliding fit, and go up the upper end fastening connection of slide rail and gear box, be equipped with synchronous drive between two sets of last slide rails, synchronous drive comprises bracket, biax motor and drive shaft, the bracket sets up between the locating plate of installing on two sets of last slide rails, the utility model discloses simple structure can be quick, lower base rail and, The seat can be smoothly and transversely adjusted, and the use is more convenient.

Description

Horizontal straight line adjustment mechanism of car seat

Technical Field

The utility model relates to the technical field of auto-parts, in particular to horizontal straight line adjustment mechanism of car seat.

Background

In order to adapt to the body shapes of different drivers or passengers and ensure that the drivers or the passengers can conveniently operate or comfortably sit, a sliding rail device is required to be arranged at the bottom of the seat so as to conveniently adjust the transverse position of the vehicle seat and enable the seat to move left and right. Some structures are simple, manual adjustment is needed, the friction resistance is large, and the adjustment is laborious; some of the seats are easy to adjust and comfortable to sit, but have complex structures and high cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a following technical scheme:

A horizontal linear adjusting mechanism of an automobile seat comprises two groups of lower base rails and upper slide rails which are distributed in parallel, wherein the upper slide rails are arranged in the lower base rails in a limiting and sliding mode, a linear walking mechanism is arranged inside each group of the lower base rails and comprises a lead screw and a gear box, the lead screw is horizontally and rotatably arranged in the lower base rails through a lead screw seat and is parallel to the lower base rails, the gear box is arranged on the lead screw, the power output end of the gear box is connected with the lead screw, the upper slide rails are in sliding fit with the lower base rails and are fixedly connected with the upper ends of the gear box, a synchronous driving device is arranged between the two groups of the upper slide rails and comprises a bracket, a double-shaft motor and a driving shaft, the bracket is arranged between the middle sections of positioning plates arranged on the two groups of the upper slide rails, the double-shaft motor is arranged on the middle sections of, and the end of the drive shaft is connected with the power input end of the gear box.

Preferably, a protection assembly is arranged on the bracket and consists of a hollow pipe and a pressing plate thereof, the hollow pipe is arranged in a clamping seat arranged on the bracket and is pressed tightly by the pressing plate, the driving shaft penetrates through the hollow pipe, and the outer diameter of the driving shaft is smaller than the inner diameter of the hollow pipe.

Preferably, the length of the lead screw is smaller than that of the lower base rail.

Has the advantages that: when the utility model is used, the double-shaft motor is connected with a control system in the automobile, the lower base rail is arranged on a bottom plate in the automobile or a frame, the automobile seat is arranged on the upper slide rail through the seat positioning stud arranged on the upper slide rail, when the linear position of the automobile seat is adjusted, the double-shaft motor is started, the double-shaft motor drives the driving shafts at two sides of the double-shaft motor to rotate after being started, when the driving shafts rotate, power is input from the power input end of the gear box and is output by the power output end of the gear box after the speed change treatment of the gear box, and drives the lead screw to rotate in the horizontal direction, when the lead screw rotates, the gear box drives the gear box to do linear motion along the lead screw, when the gear box does linear motion, the upper slide rail is driven to do synchronous linear motion, thereby driving the automobile seat supported by the upper, when adjusting to setting for or suitable position, biax motor stop work can be with the position of seat locking after adjusting, at whole in-process, drives two sets of parallel distribution's last slide rail in the base rail synchronous slip down through biax motor, adjusts more convenient, laborsaving, in addition, the utility model discloses the structure is comparatively simple, the installation of being convenient for, and the cost is lower.

The utility model discloses simple structure, can be fast, smooth carry out the lateral adjustment to the position of seat, it is comparatively convenient to use.

Drawings

Fig. 1 and 2 are schematic structural views of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

Description of reference numerals: the device comprises a bracket 1, a double-shaft motor 2, a hollow pipe 3, a positioning plate 4, a lower base rail 5, an upper sliding rail 6, a lead screw 7, a seat positioning stud 8, a lead screw seat 9, a driving shaft 10 and a gear box 11.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the drawings and the accompanying examples:

Referring to fig. 1 to 3, a horizontal linear adjusting mechanism of an automobile seat comprises two sets of lower base rails 5 and upper slide rails 6 which are distributed in parallel, wherein the upper slide rails 6 are installed in the lower base rails 5 in a limiting and sliding manner, each set of lower base rails 5 is internally provided with a linear traveling mechanism, the linear traveling mechanism is composed of a lead screw 7 and a gear box 11 thereof, the lead screw 7 is installed in the lower base rails 5 through a lead screw seat 9 in a horizontal rotating manner, the lead screw 7 is parallel to the lower base rails 5, the gear box 11 is installed on the lead screw 7, the power output end of the gear box 11 is connected with the lead screw 7, the upper slide rails 6 are in sliding fit with the lower base rails 5, the upper slide rails 6 are fixedly connected with the upper ends of the gear box 11, two sets of synchronous driving devices are arranged between the upper slide rails 6, each synchronous driving device is composed of a bracket 1, a double-shaft motor 2 and a driving shaft 10, the double-shaft motor 2 is installed in the middle section of the bracket 1, the driving shaft 10 is arranged at the driving end of the double-shaft motor 2, and the end part of the driving shaft 10 is connected with the power input end of the gear box 11.

In this embodiment, the bracket 1 is provided with a protection component, the protection component is composed of a hollow tube 3 and a pressing plate thereof, the hollow tube 3 is installed in a clamping seat arranged on the bracket 1 and is pressed by the pressing plate, the driving shaft 10 penetrates through the hollow tube 3, and the outer diameter of the driving shaft 10 is smaller than the inner diameter of the hollow tube 3.

In this embodiment, the length of the lead screw 7 is smaller than the length of the lower base rail 5.

When the utility model is used, the double-shaft motor 2 is connected with a control system in the automobile, the lower base rail 5 is arranged on a bottom plate in the automobile or a frame, the automobile seat is arranged on the upper slide rail 6 through the seat positioning stud 8 arranged on the upper slide rail 6, when the linear position of the automobile seat is adjusted, the double-shaft motor 2 (the double-shaft motor 2 is a servo motor) is started, the double-shaft motor 2 drives the drive shafts 10 at two sides of the double-shaft motor to rotate after being started, when the drive shafts 10 rotate, power is input from the power input end of the gear box 11 and is output by the power output end of the gear box 11 after the speed change treatment of the gear box 11, and the screw 7 is driven to rotate in the horizontal direction, when the screw 7 rotates, the gear box 11 is driven to do linear motion along the screw 7, when the gear box 11 does linear motion, the upper, thereby the regulation of horizontal position is carried out to the car seat that drives by last slide rail 6 support on the horizontal direction, when adjusting to setting for or suitable position, 2 stop work of biax motor, can be with the position of seat locking after the regulation, at whole in-process, drive two sets of parallel distribution's last slide rail 6 in base rail 5 in step through biax motor 2, adjust more convenient, laborsaving, in addition, the utility model discloses the structure is comparatively simple, is convenient for install, and the cost is lower.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a horizontal sharp adjustment mechanism of car seat, includes lower base rail (5) and last slide rail (6) of two sets of parallel distribution, goes up slide rail (6) spacing slidable mounting in base rail (5) down, its characterized in that: every group the inside of base rail (5) all is equipped with straight line running gear down, straight line running gear comprises lead screw (7) and gear box (11) thereof, and lead screw (7) are installed in base rail (5) down through lead screw seat (9) horizontal rotation, and lead screw (7) are parallel with base rail (5) down, and gear box (11) are installed on lead screw (7), and the power take off end of gear box (11) is connected with lead screw (7), goes up slide rail (6) and lower base rail (5) sliding fit, and goes up the upper end fastening connection of slide rail (6) and gear box (11), and is two sets of go up and be equipped with synchronous drive between slide rail (6), synchronous drive comprises bracket (1), biax motor (2) and drive shaft (10), and bracket (1) sets up between locating plate (4) of installing on two sets of last slide rail (6), and biax motor (2) are installed in the middle section of bracket (1), drive shaft (10) set up the drive end at biax motor (2), and the tip of drive shaft (10) is connected with the power input end of gear box (11), be equipped with a protection component on bracket (1), protection component comprises hollow tube (3) and clamp plate, hollow tube (3) are installed in locating the cassette on bracket (1) to compress tightly through the clamp plate, pass in hollow tube (3) are followed in drive shaft (10), and the external diameter of drive shaft (10) is less than the internal diameter of hollow tube.

2. The lateral linear adjustment mechanism for the vehicle seat according to claim 1, wherein: the length of the lead screw (7) is smaller than that of the lower base rail (5).