CN219904127U - Automobile seat slide rail assembly - Google Patents

Abstract

The utility model discloses an automobile seat slide rail assembly, wherein two sides of a lower slide rail are provided with inner cavities, the upper end face of each side inner cavity is provided with an upper groove, the lower end face is provided with a lower groove, the front end and the rear end of the upper slide rail are respectively provided with a group of vertical rollers and a group of inclined rollers, the vertical rollers are in running fit with the upper slide rail, each inclined roller is rotationally connected to an inclined roller bracket, a leaf spring is arranged between the inclined roller bracket and the upper slide rail, the leaf spring can press the inclined rollers in the upper grooves, a bridge bracket is fixedly arranged between the two upper slide rails, transmission components are respectively arranged between the two upper slide rails and the corresponding lower slide rail, a bidirectional motor is arranged on the bridge bracket, two output ends of the bidirectional motor are respectively connected with the two transmission components, the two transmission components can be driven to drive the two upper slide rails to move forwards and backwards, and when the upper slide rail moves, the vertical rollers and the inclined rollers can roll in the corresponding lower slide rail inner cavities. The utility model can eliminate the gap between the upper slide rail and the lower slide rail, so that the seat slide rail runs stably in the adjusting process.

Description

Automobile seat slide rail assembly

Technical Field

The utility model relates to the technical field of automobile seats, in particular to an automobile seat slide rail assembly.

Background

With the continuous progress of technology, the development of the automobile industry is rapid, and the requirements of people on the quality and the comfort level of the automobile are also continuously improved. As the car seat which is in the closest contact with the passenger, it is designed to bring a comfortable seating experience to the passenger. Particularly for commercial vehicles with a large space and high comfort requirements, the adjustment of the seat, including the back and forth movement of the seat, is particularly important.

There is the clearance between the upper slide rail and the lower slide rail of long slide rail in the existing market, and the in-process of moving or stopping at the upper slide rail produces abnormal sound easily, can't guarantee gliding smoothness simultaneously and can appear jolting the drunkenness condition. In the prior art, a separate method for eliminating gaps with the plastic parts in linkage with unlocking is adopted, but the plastic parts in linkage with unlocking usually shrink inwards, so that abnormal sound is generated on the internal parts during sliding, the running stability cannot be ensured, and in addition, the plastic parts deform and wear along with the time, so that the problems caused by the gaps still exist; in addition, the upper slide rail in the existing long slide rail structure mostly has the problems of complex structure and multiple connecting pieces, so that the space utilization rate is low, and the whole is messy.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide the automobile seat slide rail assembly with a simple structure, so as to ensure that the seat operates stably in the sliding adjustment process and has low noise.

In order to achieve the above-mentioned purpose, the utility model proposes a car seat slide rail assembly, including two upper slide rails set up side by side, and two lower slide rails of one-to-one and two upper slide rails sliding fit, the both sides of lower slide rail have inner chambers, the up end of each side inner chamber is equipped with the upper groove, the lower end is equipped with the lower groove, the both ends respectively are equipped with a set of vertical roller and each are equipped with a set of oblique gyro wheel, each set of vertical gyro wheel includes two vertical gyro wheels of symmetry setting up the upper slide rail left and right sides, vertical gyro wheel is the running fit with upper slide rail, vertical gyro wheel can roll in the lower groove, each set of oblique gyro wheel includes two oblique gyro wheels of symmetry setting up the upper slide rail left and right sides, every oblique gyro wheel rotates to be connected on an oblique gyro wheel support, each oblique gyro wheel support swing joint is on the upper slide rail, be equipped with the leaf spring between oblique gyro wheel support and the upper slide rail, the leaf spring can press oblique gyro wheel in the upper groove through self resilience, the oblique gyro wheel can roll in the upper groove, the fixed mounting has the bridge support between two upper slide rail, the upper slide rail and the corresponding lower slide rail, the motor is installed between two upper slide rail and the two side upper slide rail and the corresponding lower slide rail, the motor is installed and is crossed the motor and is installed and the motor is connected in the two opposite directions when the upper slide rail and the two upper slide rail and the lower slide rail and the upper and the lower slide rail and the upper seat is correspondingly driven.

In the scheme, the method comprises the following steps: the transmission assembly comprises a screw rod and a gear box, wherein the upper fixing support of the gear box and the lower fixing support of the gear box are arranged above the inner cavity of the lower sliding rail through fixing blocks, the gear box is sleeved on the screw rod, and the gear box is fixedly arranged on the upper sliding rail through the upper fixing support of the gear box and the lower fixing support of the gear box in a matched and fixed mode, and the transmission assembly is simple in structure and convenient to install.

In the scheme, the method comprises the following steps: the upper fixing support of the gear box is integrally provided with the mounting seat through stamping, the end part of the bridge bracket is fixed on the mounting seat through screws, and the upper fixing support of the gear box is simple in structure and convenient to assemble and disassemble.

In the scheme, the method comprises the following steps: the upper sliding rail and the lower sliding rail are all made of aluminum alloy sliding rails, the inclined rolling wheels and the vertical rolling wheels are made of plastic materials, the aluminum alloy sliding rails are light, convenient and high in bearing capacity, and the inclined rolling wheels and the vertical rolling wheels made of plastic materials are in line contact with the lower aluminum alloy sliding rails, so that the seat has the characteristics of stable operation and low noise in the adjustment process.

The beneficial effects of the utility model are as follows: a group of vertical rollers and a group of inclined rollers are respectively arranged at the front end and the rear end of the upper sliding rail, the vertical rollers can roll in the lower groove, and the inclined rollers can press against the upper groove and slide in the upper groove; the two sets of vertical rollers and the two sets of oblique rollers are matched, and gaps between the upper sliding rail and the lower sliding rail can be eliminated in the front-back direction, the upper-lower direction and the left-right direction, so that the seat sliding rail can run stably in the adjusting process, the noise is low, the service life of the seat sliding rail can be effectively prolonged, and the sliding rail assembly is simple in structure, few in connecting parts, low in production cost and easy to popularize.

Drawings

Fig. 1 is an overall assembly view of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is an exploded view of the upper rail of the present utility model.

Fig. 4 is a schematic diagram illustrating the cooperation between the roller and the lower rail in the present utility model.

Fig. 5 is a cross-sectional view of a lower track of the present utility model.

Detailed Description

As shown in fig. 1-5, an automobile seat slide rail assembly mainly comprises two upper slide rails 1 arranged side by side and two lower slide rails 2 in one-to-one sliding fit with the two upper slide rails 1.

The two sides of the lower slide rail 2 are provided with inner cavities, the upper end surface of each inner cavity is provided with an upper groove 21, and the lower end surface is provided with a lower groove 22. The front end and the rear end of the upper slide rail 1 are respectively provided with a group of vertical rollers 3 and a group of inclined rollers 4.

Each group of vertical rollers 3 comprises two vertical rollers 3 symmetrically arranged on the left side and the right side of the upper sliding rail 1, the vertical rollers 3 are in running fit with the upper sliding rail 1, and the vertical rollers 3 can roll in the lower grooves 22.

Each group of inclined rollers 4 comprises two inclined rollers 3 symmetrically arranged on the left side and the right side of the upper sliding rail 1, each inclined roller 4 is rotationally connected to an inclined roller support 5, each inclined roller support 5 is movably connected to the upper sliding rail 1, a plate spring 6 is arranged between each inclined roller support 5 and the upper sliding rail 1, the plate spring 6 can press the inclined roller 4 against the upper groove 21 through self restoring force, and the inclined roller 4 can roll in the upper groove 21.

A bridge bracket 7 is fixedly arranged between the two upper sliding rails 1, transmission components are respectively arranged between the upper sliding rails 1 on two sides and the corresponding lower sliding rails 2, a bidirectional motor 8 is arranged on the bridge bracket 7, and two output ends of the bidirectional motor 8 are respectively connected with the two transmission components in a one-to-one correspondence manner. The bidirectional motor 8 can drive the two transmission components to drive the two upper slide rails 1 to move back and forth, and when the upper slide rails 1 move, the vertical idler wheels 3 and the inclined idler wheels 4 can roll in the inner cavities of the corresponding lower slide rails 2.

The front and rear ends of the upper slide rail 1 are provided with mounting blocks 14 for assembling with a seat frame.

Preferably, the transmission assembly comprises a screw rod 9 and a gear box 10, wherein the upper gear box fixing support 11 and the lower gear box fixing support 12 are arranged above the inner cavity of the lower sliding rail 2 through a fixing block 91, the gear box 10 is sleeved on the screw rod 9, and the gear box 10 is fixedly arranged on the upper sliding rail 1 through the upper gear box fixing support 11 and the lower gear box fixing support 12 in a matched mode, and the transmission assembly is simple in structure and convenient to install.

Preferably, the fixing bracket 11 on the gear box is integrally provided with the mounting seat 13 by stamping, the end part of the bridge bracket 7 is fixed on the mounting seat 13 by screws, the structure is simple, and the bridge bracket 7 is convenient to assemble and disassemble.

Preferably, the upper slide rail 1 and the lower slide rail 2 are all made of aluminum alloy, the inclined roller 4 and the vertical roller 3 are made of plastic materials, the aluminum alloy slide rail is light and convenient and has strong bearing capacity, and the inclined roller 4 and the vertical roller 3 made of plastic materials are in line contact with the lower aluminum alloy slide rail 2, so that the seat has the characteristics of stable operation and low noise in the adjustment process.

Claims (4)

1. The utility model provides an automobile seat slide rail assembly, includes two last slide rail (1) that set up side by side to and two slide rail (2) down of slide rail (1) sliding fit on one-to-one, the both sides of slide rail (2) have the inner chamber down, and the up end of every side inner chamber is equipped with recess (21), lower terminal surface are equipped with recess (22), its characterized in that: the front end and the rear end of the upper sliding rail (1) are respectively provided with a group of vertical rollers (3) and a group of inclined rollers (4), each group of vertical rollers (3) comprises two vertical rollers (3) symmetrically arranged at the left side and the right side of the upper sliding rail (1), the vertical rollers (3) are in running fit with the upper sliding rail (1), the vertical rollers (3) can roll in the lower grooves (22), each group of inclined rollers (4) comprises two inclined rollers (3) symmetrically arranged at the left side and the right side of the upper sliding rail (1), each inclined roller (4) is rotationally connected to an inclined roller bracket (5), each inclined roller bracket (5) is movably connected to the upper sliding rail (1), a plate spring (6) is arranged between the inclined roller bracket (5) and the upper sliding rail (1), the plate spring (6) can press the inclined rollers (4) in the upper grooves (21) through self restoring force, the inclined rollers (4) can roll in the upper grooves (21), a bridge bracket (7) is fixedly arranged between the two upper sliding rails (1), the upper sliding rail (1) and the two upper sliding rail (1) are correspondingly provided with two bridge components (8) respectively, the two bridge components are correspondingly arranged between the upper sliding rail components (1) and the lower sliding rail components (8) respectively, the two bridge components are correspondingly arranged on the two transmission components, and the two transmission components are correspondingly arranged on the two transmission components respectively, the bidirectional motor (8) can drive the two transmission components to drive the two upper sliding rails (1) to move forwards and backwards, and when the upper sliding rails (1) move, the vertical rollers (3) and the inclined rollers (4) can roll in the inner cavities of the corresponding lower sliding rails (2).

2. The automotive seat slide assembly of claim 1, wherein: the transmission assembly comprises a screw rod (9), a gear box (10), a gear box upper fixing support (11) and a gear box lower fixing support (12), wherein the screw rod (9) is installed above an inner cavity of the lower sliding rail (2) through a fixing block (91), the gear box (10) is sleeved on the screw rod (9), and the gear box (10) is fixedly installed on the upper sliding rail (1) through the gear box upper fixing support (11) and the gear box lower fixing support (12) in a matched mode.

3. The automotive seat slide assembly of claim 2, wherein: the upper fixed support (11) of the gear box is integrally provided with a mounting seat (13) in a stamping mode, and the end portion of the gap bridge support (7) is fixed on the mounting seat (13) through screws.

4. The automotive seat slide assembly of claim 1, wherein: the upper sliding rail (1) and the lower sliding rail (2) are all made of aluminum alloy, and the inclined roller (4) and the vertical roller (3) are made of plastic materials.