CN220785523U - Inclination angle adjusting mechanism of automobile seat - Google Patents

Abstract

The utility model discloses an inclination angle adjusting mechanism of an automobile seat, wherein a rear transverse tube assembly comprises a rear transverse tube and rear brackets welded below two ends of the rear transverse tube, the front transverse tube assembly comprises a front transverse tube and front brackets welded behind two ends of the front transverse tube, the rear transverse tube is welded between two seat cushion side plates, the front transverse tube is hinged between the two seat cushion side plates, the lower ends of the two rear brackets are hinged with a sliding rail assembly, the rear ends of the two front brackets are hinged with front connecting rods, the hinge points are positioned at the upper ends of the front connecting rods, the lower ends of the two front connecting rods are hinged with the sliding rail assembly, a screw rod motor assembly comprises a screw rod motor, a nut and a sleeve, the nut is fixedly sleeved at the front end of the sleeve, the rear end of the sleeve is hinged to the bottom end of the right rear bracket or the sliding rail assembly, the screw rod motor is hinged to the middle lower end of the right front bracket, and the screw rod of the screw rod motor is in the nut in a screwed mode. The utility model has simple structure, high reliability, stable driving and small requirement on arrangement space.

Description

Inclination angle adjusting mechanism of automobile seat

Technical Field

The utility model relates to the technical field of automobile seats, in particular to an automobile seat inclination angle adjusting mechanism.

Background

With the popularization of automobiles in life, people put forward higher requirements on automobile comfort, automobile seats are important parts on automobiles, the riding comfort of drivers and passengers is directly influenced, the structure and functional design of the automobile seats are important, the inclination angle requirements of seat frames of the automobile seats are different for different users, and in order to improve the universality of the automobile seats and the riding comfort of each user, an inclination angle adjusting mechanism is usually required to be arranged on the seat frames. But the structure of the inclination angle adjusting mechanism of the current automobile seat frame is not simple enough, more parts are needed, the reliability is not high, and the space occupied by installation is larger.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a novel automobile seat inclination angle adjusting mechanism, which has the advantages of simpler structure, easy function realization, higher reliability and small occupied space.

In order to achieve the above-mentioned purpose, the utility model provides an automobile seat reclining mechanism, comprising a cushion assembly, a slide rail assembly and a screw motor assembly, wherein the cushion assembly comprises a front transverse tube assembly, a rear transverse tube assembly and two cushion side plates, the rear transverse tube assembly comprises a rear transverse tube and a rear bracket welded below two ends of the rear transverse tube, the front transverse tube assembly comprises a front transverse tube and a front bracket welded behind two ends of the front transverse tube, the rear transverse tube is welded between the two cushion side plates, the front transverse tube is hinged between the two cushion side plates, the lower ends of the two rear brackets are hinged with the slide rail assembly, the rear ends of the two front brackets are hinged with a front connecting rod, the hinge point is positioned at the upper end of the front connecting rod, the lower ends of the two front connecting rods are hinged with the slide rail assembly, the screw motor assembly comprises a screw motor, a nut and a sleeve, the rear end of the sleeve is fixedly sleeved at the front end of the sleeve, the sleeve is hinged to the bottom end of the rear bracket or the slide rail assembly, the motor is hinged to the screw motor at the right side, the screw motor is hinged to the lower end of the screw motor at the front end of the front bracket and is connected with the screw motor at the front end of the screw motor in a screwed joint, and the screw motor is connected with the screw at the front end of the front end.

In the scheme, the method comprises the following steps: the right side be equipped with the cell type structure on the front bracket, the lead screw motor passes through the spring pin and articulates on the cell type structure, and is convenient to connect.

In the scheme, the method comprises the following steps: the limiting plastic cushion is arranged between the front support and the adjacent cushion side plate, and is movably sleeved on the front transverse tube to play a role of transverse limiting, so that the mutual interference between the front support and the cushion side plate is avoided.

In the scheme, the method comprises the following steps: the nut is characterized in that an external thread is arranged on the outer circle of the nut, an internal thread is arranged on the inner wall of the front end of the sleeve, and the nut is fixedly connected in the sleeve in a threaded manner, so that the connection is convenient.

In the scheme, the method comprises the following steps: the screw motor is characterized in that a limiting check ring is arranged at the front end of the screw motor, an anti-falling structure is arranged at the rear end of the screw, the limiting check ring plays a role in protecting the screw motor, and the anti-falling structure can prevent nuts from falling off from the screw.

The beneficial effects of the utility model are as follows: the front brackets, the rear brackets, the front connecting rods, the seat cushion side plates, the sliding rail assemblies and the screw rod motor assemblies form a multi-connecting-rod mechanism, and when the inclination angle adjustment is carried out, the multi-connecting-rod mechanism can be driven to move by adjusting the distance of the screw rod extending into the sleeve, so that the riding posture of the seat is changed, and the inclination angle adjustment of the seat is realized; compared with the prior chair inclination angle adjusting mechanism, the chair inclination angle adjusting mechanism has the advantages that the parts are fewer, the structure is simpler, the function is easy to realize, compared with a general motor driving gear form, the reliability is higher, the skeleton locking strength is easier to ensure, the driving is more stable, in addition, the screw rod motor assembly is arranged between the right front support and the right rear support, the requirement on the arrangement space is smaller, the screw rod motor assembly consists of a screw rod motor, a nut and a sleeve, the nut is fixedly sleeved in the sleeve, and the screw rod of the screw rod motor extends into the sleeve to be in threaded connection with the nut.

Drawings

Fig. 1 is a schematic structural view of an automobile seat.

Fig. 2 is a schematic structural view of a front cross tube assembly in the seat cushion assembly.

Fig. 3 is a schematic structural view of the rear cross tube assembly in the seat cushion assembly.

Fig. 4 is an assembled schematic view of the front cross tube assembly, the rear cross tube assembly and the lead screw motor assembly.

Fig. 5 is a schematic view of another angle of fig. 4.

Fig. 6 is a schematic view of the assembly of the seat cushion assembly and the track assembly.

Fig. 7 is a schematic view of the reclining mechanism of an automobile seat adjusted to a small angle (the rear end mounting position of the sleeve adopts a first scheme).

Fig. 8 is a schematic view of the reclining mechanism of an automobile seat adjusted to a large angle (the rear end mounting position of the sleeve adopts a first scheme).

Fig. 9 is a schematic view of an reclining mechanism of an automobile seat adjusted to a small angle (a second aspect is adopted for a rear end mounting position of a sleeve).

Fig. 10 is a schematic view of an reclining mechanism of an automobile seat adjusted to a large angle (a second aspect is adopted for a rear end mounting position of a sleeve).

Detailed Description

As shown in fig. 1-10, an inclination angle adjusting mechanism of an automobile seat mainly comprises a cushion assembly a, a slide rail assembly B and a screw motor assembly C. The automobile seat further comprises a backrest assembly D, and the backrest assembly D is rotatably connected to the rear end of the cushion assembly A through an adjustor assembly. The slide rail assembly B comprises a left slide rail assembly and a right slide rail assembly.

The cushion assembly A comprises a front transverse tube assembly, a rear transverse tube assembly and two cushion side plates 1. The rear transverse tube assembly comprises a rear transverse tube 2 and rear brackets 3 welded below two ends of the rear transverse tube 2, and the front transverse tube assembly comprises a front transverse tube 4 and front brackets 5 welded behind two ends of the front transverse tube 4. The rear transverse tube 2 is welded between the two seat cushion side plates 1, and the front transverse tube 4 is hinged between the two seat cushion side plates 1. The lower ends of the two rear brackets 3 are hinged with the sliding rail assembly B and are respectively hinged with the rear ends of the left sliding rail assembly and the right sliding rail assembly; the rear ends of the two front brackets 5 are hinged with front connecting rods 6, the hinge point is positioned at the upper end of the front connecting rods 6, the lower ends of the two front connecting rods 6 are hinged with the sliding rail assembly B, and the front ends of the left sliding rail assembly and the right sliding rail assembly are respectively hinged.

The screw motor assembly C comprises a screw motor 7, a nut and a sleeve 9, wherein the nut is fixedly sleeved at the front end of the sleeve 9, the screw motor 7 is hinged at the middle lower end of the right front support 5, and the screw of the screw motor 7 extends back and forth and is screwed in the nut so as to be connected with the front end of the sleeve 9.

There are two solutions for the mounting position of the rear end of the sleeve 9.

Scheme one: the rear end of the sleeve 9 is hinged to the bottom end of the right rear bracket 3, and the hinge point of the sleeve is positioned below the hinge point of the right rear bracket 3 and the sliding rail assembly B.

Scheme II: the rear end of the sleeve 9 is hinged on the slide rail assembly B, and the hinge point of the sleeve is positioned on the right slide rail assembly of the slide rail assembly B and between the rear bracket 3 and the front connecting rod 6.

Preferably, the right front bracket 5 is provided with a groove structure, and the screw motor 7 is hinged on the groove structure through a spring pin 10, so that the connection is convenient.

Preferably, the rear end of the sleeve 9 is flat, and the rear end of the sleeve 9 is hinged with the right rear bracket 3 through a step bolt, so that the connection is convenient.

Preferably, a limiting plastic pad 11 is arranged between the front support 5 and the adjacent cushion side plate 1, the limiting plastic pad 11 is movably sleeved on the front transverse tube 4 to play a role of transverse limiting, and mutual interference between the front support 5 and the cushion side plate 1 is avoided.

Preferably, the nut is provided with external threads on the outer circle, the inner wall of the front end of the sleeve 9 is provided with internal threads, and the nut threads are fixedly connected in the sleeve 9, so that the connection is convenient.

Preferably, the front end of the screw motor 7 is provided with a limiting retainer ring 8, the rear end of the screw is provided with an anti-falling structure, the limiting retainer ring 8 plays a role in protecting the screw motor 7, and the anti-falling structure can prevent nuts from falling off from the screw.

Claims (5)

1. The utility model provides an automobile seat inclination adjustment mechanism, includes cushion assembly (A), slide rail assembly (B) and lead screw motor assembly (C), cushion assembly (A) is including preceding violently pipe subassembly, back violently pipe subassembly and two cushion sideboards (1), its characterized in that: the utility model provides a cross tube subassembly behind, cross tube (2) and welding are including back cross tube (2) and rear bracket (3) of back cross tube (2) both ends below, preceding cross tube subassembly is including preceding cross tube (4) and welding at preceding cross tube (4) both ends rear fore-stock (5), back cross tube (2) weld between two cushion sideboards (1), preceding cross tube (4) articulates between two cushion sideboards (1), two the lower extreme of rear bracket (3) all articulates with slide rail assembly (B), two the rear end of fore-stock (5) all articulates there is preceding connecting rod (6), and the pin joint is located the upper end of preceding connecting rod (6), two the lower extreme of preceding connecting rod (6) all articulates with slide rail assembly (B), lead screw motor assembly (C) include lead screw motor (7), nut and sleeve pipe (9), the interior cover of sleeve pipe (9) rear end articulates in right side on the bottom of rear bracket (3) or slide rail assembly (B), thereby in the screw rod (7) and the screw rod (9) are articulated to the front end in the screw rod (5).

2. The car seat reclining mechanism according to claim 1, wherein: the right side is provided with a groove structure on the front bracket (5), and the screw rod motor (7) is hinged on the groove structure through a spring pin (10).

3. The car seat reclining mechanism according to claim 1, wherein: a limiting plastic pad (11) is arranged between the front support (5) and the adjacent cushion side plate (1), and the limiting plastic pad (11) is movably sleeved on the front transverse tube (4).

4. The car seat reclining mechanism according to claim 1, wherein: the nut is characterized in that an external thread is arranged on the outer circle of the nut, an internal thread is arranged on the inner wall of the front end of the sleeve (9), and the nut thread is fixedly connected in the sleeve (9).

5. The car seat reclining mechanism according to claim 1, wherein: the front end of the screw rod motor (7) is provided with a limiting check ring (8), and the rear end of the screw rod is provided with an anti-falling structure.