CN210707000U

CN210707000U - Seat slide rail for vehicle

Info

Publication number: CN210707000U
Application number: CN201921502873.7U
Authority: CN
Inventors: 张果; 唐国庆; 郑开华
Original assignee: Chongqing Yanfeng Adient Automotive Components Co Ltd
Current assignee: Chongqing Adient Automotive Components Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-09
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a seat slide for vehicle, include: two lower slide rails arranged in parallel; the two upper sliding rails are arranged in parallel and are respectively arranged on the corresponding lower sliding rails in a sliding fit manner; the screw rod is fixedly arranged on the lower slide rail and extends along the length direction of the lower slide rail; the gear box is in threaded connection with the screw rod and is horizontally and fixedly arranged on the upper sliding rail, and the gear box is provided with a power input port extending along the vertical direction; and the output power of the driving mechanism can be transmitted to the power input port from the upper part of the sliding rail. Because actuating mechanism slides in the slide rail down from the upper end drive slide rail of slide rail, so can install the slide rail under the automobile body floor completely down, make the inside cleaner and tidier of vehicle, promote appearance quality, increase the high-grade sense of car.

Description

Seat slide rail for vehicle

Technical Field

The utility model belongs to the technical field of the vehicle spare part, concretely relates to seat slide rail for vehicle.

Background

The bottom of an automobile seat is usually provided with a sliding rail assembly, so that a driver and an occupant can adjust the position of the seat according to the needs of the driver and the occupant to obtain a more comfortable sitting posture.

The seat slide rails are generally two groups and are symmetrically arranged on the floor of the vehicle body, each group of slide rails consists of an upper slide rail and a lower slide rail, the upper slide rail is arranged below a seat basin of the seat, and the lower slide rail is arranged on the floor of the vehicle body. At present, after the slide rails are assembled on a vehicle, a driving motor is positioned between two sets of slide rails, and the driving motor provides driving force to a gear box in the slide rails from the inner side faces, close to each other, of the two sets of slide rails so as to control the upper slide rails to slide on the lower slide rails. Because the driving motor conveys driving force to the gear box from the inner side of the slide rail, after assembly, the upper slide rail assembly and the lower slide rail assembly are exposed on a vehicle bottom plate, and for vehicles needing longer slide rail travel, such as business vehicles, the slide rail is exposed on the vehicle body floor, so that the activity space of passengers in the vehicle is occupied, the interior decoration of the vehicle is influenced, and the high-grade feeling of the vehicle is reduced seriously.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a seat slide for vehicle to expose on the automobile body floor after solving traditional slide assembly, influence the pleasing to the eye technical problem of interior trim.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

a seat slide for a vehicle, comprising:

two lower slide rails arranged in parallel;

the two upper sliding rails are arranged in parallel, are respectively arranged on the corresponding lower sliding rails, and can slide back and forth relative to the lower sliding rails;

the screw rod is fixedly arranged on the lower slide rail and extends along the length direction of the lower slide rail;

a gear box which is in threaded fit with the screw rod and is fixed on the upper slide rail, wherein the gear box is provided with a power input port extending along the vertical direction; and

and the output power of the driving mechanism can be transmitted to the power input port from the upper part of the upper sliding rail.

Adopt above-mentioned structure, because actuating mechanism's output power introduces the power input port from the upper end of slide rail to the slide rail slides in slide rail down in the drive, so can install the slide rail down under the automobile body floor, make the inside cleaner and tidier of vehicle, promote appearance quality, increase the high-class sense of car.

Preferably, the method comprises the following steps: the lower slide rail is provided with a sliding inner cavity extending along the length direction of the lower slide rail, the upper slide rail is supported in the sliding inner cavity in a sliding mode through the roller in a sliding mode, the upper end of the upper slide rail is provided with an installation part penetrating out of the sliding inner cavity, and the lower slide rail is provided with a yielding opening corresponding to the installation part. By adopting the structure, the upper sliding rail can be ensured to slide smoothly in the lower sliding rail.

Preferably, the method comprises the following steps: the driving mechanism is a double-output motor which is arranged above the two lower sliding rails, a flexible shaft is connected to an output shaft of the double-output motor, the flexible shaft comprises a shell and a mandrel rotating relative to the shell, and one end of the mandrel is connected into the power input port. Adopt above-mentioned structure to carry power to the gear box from the upper end of slide rail.

Preferably, the method comprises the following steps: go up the slide rail lower extreme and be equipped with the mounting groove, the upper end is equipped with the via hole with the mounting groove intercommunication, and the gear box setting corresponds at the mounting groove the position of via hole, the flexible axle stretches into after passing the via hole in the power input port. By adopting the structure, the installation is convenient.

Preferably, the method comprises the following steps: the installation department is platelike structure, and it corresponds the installation breach that the via hole position was equipped with vertical setting, the flexible axle passes through the location fixture block and installs to installation breach. By adopting the structure, the flexible shaft is convenient to install.

Preferably, the method comprises the following steps: and the mounting parts of the two upper sliding rails are connected with supporting parts, the two supporting parts are fixedly connected through a retainer, and the driving mechanism is fixedly arranged on the retainer. By adopting the structure, the driving mechanism can be conveniently installed, and the sliding synchronism of the sliding rails on the left side and the right side can be ensured.

Preferably, the method comprises the following steps: the shell of the flexible shaft is fixed on the retainer through a fixture block. By adopting the structure, the structure is more compact, and the flexible shaft is prevented from shaking.

Preferably, the method comprises the following steps: the rollers are arranged on two sides of the lower end of the upper sliding rail, supporting steps are arranged on two sides of the lower surface of the sliding inner cavity, and the rollers are supported on the supporting steps in a rolling mode.

Preferably, the method comprises the following steps: the side wall of the upper sliding rail is elastically supported with a clearance eliminating wheel through an elastic element, the circumferential direction of the clearance eliminating wheel is provided with a conical surface, two sides of the upper end of the sliding inner cavity are provided with supporting inclined surfaces which are obliquely arranged, and the conical surface of the clearance eliminating wheel is pressed against the supporting inclined surfaces in a rolling manner through the elasticity of the elastic element. By adopting the structure, the sliding gap of the upper sliding rail can be eliminated, and the sliding fluency of the upper sliding rail is increased.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a seat slide rail for vehicle can install the slide rail under the automobile body floor completely down, makes the vehicle inside cleaner and tidier, promotes appearance quality, increases the senior sense of car.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of a single set of slide rails;

FIG. 3 is a schematic structural view of the lower slide rail;

FIG. 4 is a schematic structural view of the upper slide rail;

FIG. 5 is a schematic view of a gearbox configuration;

fig. 6 is a schematic structural view of the upper rail (bottom side up).

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

As shown in fig. 1 to 4, a seat slide for a vehicle includes two lower slide rails 1, the two lower slide rails 1 are installed in parallel on a bottom plate of the vehicle, the two lower slide rails 1 are both provided with a sliding inner cavity 1a extending along a length direction thereof, an upper slide rail 3 is installed in the sliding inner cavity 1a in a sliding manner through a roller 4, an upper end of the upper slide rail 3 is provided with an installation part 3a extending upwards, an upper end of the lower slide rail 1 is provided with a abdicating opening 1b extending along the length direction thereof, the installation part 3a is of a plate-shaped structure, and the abdicating opening 1b penetrates out of the sliding inner cavity 1 a.

The mounting parts 3a of the two upper slide rails 3 are connected with supporting parts 8, the two supporting parts 8 are fixedly connected into a whole through a retainer 9, and the retainer 9 is provided with the driving mechanism 2, wherein in the embodiment, the driving mechanism 2 preferably adopts a double-output motor.

As shown in fig. 3 and 5, a screw rod 5 is fixedly installed in the lower slide rail 1, a gear box 6 is installed on the upper slide rail 3, a turbine 6a and a worm 6b which are meshed with each other are installed in the gear box 6, wherein the worm 6b is provided with a central threaded hole 6c which is in threaded fit with the screw rod 5, the turbine 6a is provided with a power input port 6d, an output shaft 2a of the dual-output motor is connected with the power input port 6d through a flexible shaft 2b and drives the turbine 6a to rotate, and after the motor is started, power acts on the upper slide rail 3 through the flexible shaft 2b, the turbine 6a and the worm 6b in sequence, so that the upper slide rail 3 is driven to slide.

The flexible shaft 2b provides power for the gear box 6 from the upper end of the sliding rail, so that the lower sliding rail 1 can be completely installed below the bottom plate of the automobile body under the condition, the interior of the automobile is cleaner, the appearance quality is improved, and the high-grade feeling of the automobile is enhanced.

For dodging the lead screw 5 in the slide rail device, 3 lower parts of last slide rail are equipped with along the mounting groove 3b that its length direction runs through, 6 fixed mounting of gear box are at this mounting groove 3 b's intermediate position, the installation department 3a of going up slide rail 3 is equipped with installation breach 3d in the position that corresponds and install gear box 6, and go up and be equipped with the via hole 3c with installation breach 3d and the 3b intercommunication of mounting groove on the slide rail 3, flexible axle 2b passes installation breach 3d from last to down in proper order, in the via hole 3c stretched into the gear box 6 in the mounting groove 3b, and drive turbine 6a rotates.

Further, as shown in fig. 6, in order to facilitate the assembly of the gear housing 6, a square hole 3e is formed at the middle position of the mounting groove 3b, and the size of the square hole 3e is adapted to the shape of the gear housing 6.

In order to make the slide rail structure more compact and avoid the flexible shaft 2b from shaking during operation, the shell of the flexible shaft 2b is fixed on the retainer 9 through the fixture block 10, and the shell of the flexible shaft 2b is fixed on the mounting notch 3d through the positioning fixture block 7.

As shown in fig. 3 and 4, a gap eliminating mechanism is provided between the upper slide rail 3 and the lower slide rail 1, specifically:

the two sides of the lower end of the upper sliding rail 3 are symmetrically provided with idler wheels 4, the two sides of the upper end are symmetrically provided with gap eliminating wheels 11, the gap eliminating wheels 11 are conical wheels, the circumferential direction of the gap eliminating wheels is provided with conical surfaces 11a, the two sides of the lower portion of the sliding inner cavity 1a are provided with supporting steps 1c, the two sides of the upper portion are provided with supporting inclined surfaces 1d, the supporting steps 1c are horizontally arranged, the supporting inclined surfaces 1d are obliquely arranged, the idler wheels 4 roll on the supporting steps 1c, the conical surfaces 11a of the gap eliminating wheels 11 roll on the supporting inclined surfaces 1d, the side wall of the upper sliding rail 3 is provided with elastic elements 12, upward thrust is applied to the gap eliminating wheels 11, the conical surfaces 11a are continuously abutted to the supporting inclined surfaces 1d, therefore, when the upper sliding rail 3 slides, gaps in the vertical direction are eliminated, the sliding fluency of.

In this embodiment, the driving mechanism 2 is horizontally installed, and its driving force can be transmitted to the power input port 6d from the vertical direction through the flexible shaft 2b, and also can be transmitted to the power input port 6d from the vertical direction through a bevel gear set or a universal joint which are rigidly connected.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims

1. A seat slide for a vehicle, comprising:

two lower sliding rails (1) which are arranged in parallel;

the two upper sliding rails (3) are arranged in parallel, are respectively arranged on the corresponding lower sliding rails (1), and can slide back and forth relative to the lower sliding rails (1);

the screw rod (5) is fixedly arranged on the lower slide rail (1) and extends along the length direction of the lower slide rail (1);

a gear box (6) which is screw-fitted with the lead screw (5) and fixed to the upper rail (3), the gear box (6) having a power input port (6d) extending in a vertical direction; and

and a drive mechanism (2) which can transmit the output power to the power input port (6d) from the upper part of the upper slide rail (3).

2. The seat slide rail for a vehicle according to claim 1, wherein: lower slide rail (1) has along the slip inner chamber (1a) that its length direction extends, go up slide rail (3) and support in slip inner chamber (1a) through gyro wheel (4) slip, the upper end of going up slide rail (3) is equipped with installation department (3a) of wearing out slip inner chamber (1a), and lower slide rail (1) is equipped with opening of stepping down (1b) corresponding this installation department (3a) position.

3. The seat slide rail for a vehicle according to claim 2, wherein: actuating mechanism (2) are two output motor, and it sets up two top between lower slide rail (1), be connected with flexible axle (2b) on output shaft (2a) of this two output motor, flexible axle (2b) include shell and relative shell pivoted dabber, and the one end of dabber is connected in power input port (6 d).

4. The seat slide rail for a vehicle according to claim 3, wherein: go up slide rail (3) lower extreme and be equipped with mounting groove (3b), the upper end is equipped with via hole (3c) with mounting groove (3b) intercommunication, gear box (6) set up in mounting groove (3b) and correspond the position of via hole (3c), flexible axle (2b) pass behind via hole (3c) and stretch into in power input port (6 d).

5. The seat slide rail for a vehicle according to claim 4, wherein: installation department (3a) are platelike structure, and it corresponds mounting notch (3d) that via hole (3c) position was equipped with vertical setting, flexible axle (2b) are installed to mounting notch (3d) through location fixture block (7).

6. The seat slide rail for a vehicle according to claim 3, 4 or 5, wherein: the two upper sliding rails (3) are respectively connected with a supporting part (8) on the mounting part (3a), the two supporting parts (8) are fixedly connected through a retainer (9), and the driving mechanism (2) is fixedly arranged on the retainer (9).

7. The seat slide rail for a vehicle according to claim 6, wherein: the shell of the flexible shaft (2b) is fixed on the retainer (9) through a fixture block (10).

8. The seat slide rail for a vehicle according to any one of claims 2 to 5, wherein: the rollers (4) are arranged on two sides of the lower end of the upper sliding rail (3), supporting steps (1c) are arranged on two sides of the lower surface of the sliding inner cavity (1a), and the rollers (4) are supported on the supporting steps (1c) in a rolling mode.

9. The seat slide rail for a vehicle according to claim 8, wherein: the side wall of the upper sliding rail (3) is elastically supported with a clearance elimination wheel (11) through an elastic element (12), the circumferential direction of the clearance elimination wheel (11) is provided with a conical surface (11a), two sides of the upper end of the sliding inner cavity (1a) are provided with support inclined surfaces (1d) which are obliquely arranged, and the elastic force of the elastic element (12) enables the conical surface (11a) of the clearance elimination wheel (11) to be in rolling contact with the support inclined surfaces (1 d).