CN215042250U

CN215042250U - Slide rail with double-motor drive

Info

Publication number: CN215042250U
Application number: CN202120858405.4U
Authority: CN
Inventors: 李辉; 王晓阳; 易敬姚; 何肖潇; 周林鸣; 蔡吉
Original assignee: Faurecia Wuxi Seating Components Co Ltd
Current assignee: Faurecia Wuxi Seating Components Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-07
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to a slide rail with two motor drives, including female rail, the lead screw of fixed mounting in female rail, it has the gear box to run through on the lead screw, and the cover is equipped with the fixed bolster on the gear box, install public rail on the fixed bolster, public rail is driven by the gear box and is followed lead screw reciprocating motion, correspond on the gear box and be equipped with the motor, motor signal input source is ECU, and the ECU controls the synchronous start-stop of both sides motor, and the motor is installed in the gear box lateral wall and is close to gear box roof department, reserves the interval in the vertical direction between female rail; the end face of the motor output shaft is provided with a fixing lug, the fixing lug extends towards the periphery of the end face of the motor, the top of the fixing support is provided with a reference sheet corresponding to the fixing lug, and the fixing lug and the reference sheet are fixedly installed through a connecting piece. The conventional flexible shaft transmission is omitted, and the motor which realizes synchronous motion through the ECU is replaced, so that the occupied space can be effectively reduced. The variable speed operation can be realized under the intervention of the ECU, and the riding comfort is improved.

Description

Slide rail with double-motor drive

Technical Field

The utility model belongs to the technical field of car seat slide rail technique and specifically relates to a slide rail with two motor drive.

Background

The vehicle seat generally comprises a female rail, a male rail, a motor, a gear box, a flexible shaft, a retainer, a support piece and other connecting parts, wherein the female rail is fixedly connected with a vehicle floor, the male rail is connected with the vehicle seat, and reciprocating sliding on the female rail is realized through the gear box.

The slide rail of above-mentioned this kind of structure and the comparatively back lock of process of vehicle seat installation need install female rail on frock clamp earlier, then adjust public rail and make both sides keep unanimous position, fix public rail on frock clamp afterwards, install the seat at last. During the operation of the sliding rail, starting and stopping can be obviously interrupted, during the operation, the rotating friction sound of the flexible shaft is serious, and the overall NVH (noise, vibration and sound vibration roughness) is serious. Because only one motor drives the slide rails on the two sides, the retainer and the flexible shaft are required to be installed to drive the slide rails on the two sides by colleagues, so that the space of the bottom of the seat is greatly occupied, when foreign matters exist at the bottom of the seat, the foreign matters can interfere with the motor, the retainer and the flexible shaft, and the operation safety risk is increased.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects and provides the slide rail with the double-motor drive, which is reasonable in structure, the single-side drive is changed into the double-side drive, and a retainer and a flexible shaft are omitted, so that the occupied space at the bottom of the seat is reduced, the foreign matter interference risk is reduced, and the sound quality in the operation process is improved.

The utility model discloses the technical scheme who adopts as follows:

a slide rail with dual-motor drive comprises a rail assembly arranged on two sides in a mirror image manner, wherein the rail assembly comprises a female rail fixedly arranged on the floor of a vehicle and a screw rod fixedly arranged in the female rail, a gear box penetrates through the screw rod, a fixing support is sleeved on the gear box, a male rail is arranged on the fixing support and is driven by the gear box to reciprocate along the screw rod,

the gear box is correspondingly provided with a motor, the signal input source of the motor is an ECU, the ECU controls the synchronous start and stop of the motors at the two sides,

the motor is arranged on the side wall of the gear box close to the top wall of the gear box, and a vertical distance is reserved between the motor and the main rail; the end face of the motor output shaft is provided with a fixing lug, the fixing lug extends towards the periphery of the end face of the motor, the top of the fixing support is provided with a reference sheet corresponding to the fixing lug, and the fixing lug and the reference sheet are fixedly installed through a connecting piece.

The fixing lugs are symmetrically arranged on two sides of the end face of the motor, each fixing lug comprises an arc-shaped section which is bent and led out from the end face of the motor to the gear box and a lug piece which is located on one side, deviating from the motor, of the arc-shaped section, and the lug piece is flatly attached to a reference piece of the fixing support.

The datum plate is perpendicular to the top wall of the fixing support, and the datum plate extends outwards from the thickness position of the fixing support.

A gap is reserved between the end face of the motor facing one side of the gear box and the gear box.

The supporting piece is connected between the two side fixing lugs of the motor end face, two ends of the supporting piece are connected with the two side fixing lugs, and the main body of the supporting piece is arranged along the bottom of the motor end face.

The main part of the contact piece extends to the side wall of the gear box and is attached to the side wall of the gear box.

The two ends of the main body of the contact part, which are close to the fixing lugs on the two sides, are provided with buckling claws pointing to the gear box, and the buckling claws protrude out of the end face of the main body of the contact part, which deviates from one side of the motor.

And a hole for accommodating the buckling claw is formed in the side wall of the gear box facing to one side of the motor.

The motors on two sides are respectively provided with an ECU, a plug used for connecting the ECU is arranged on a fixing lug on one side of the motor, and the plug and the motor are positioned on the same side of the fixing lug.

The fixing lug is provided with a clamping plate on one side facing the plug, and the plug is clamped and fixed by the clamping plate.

The utility model has the advantages as follows:

the utility model discloses compact structure, reasonable, simple to operate through omitting conventional flexible axle transmission, replaces for two motors that realize synchronous motion through ECU, can effectively reduce shared space. The utility model provides a motor is installed at the gear box top, and all has abundant interval between female rail, the automobile floor, has reduced the risk of interfering with the foreign matter.

The utility model discloses the bi-motor drive structure that adopts can realize the variable speed operation under ECU's intervention, reduces the rotational speed of motor when starting, improves motor speed to functioning speed rapidly afterwards, keeps even running. When stopping, reduce motor speed earlier and stop afterwards, this operation process can effectually reduce the slide rail and stop the pause and frustrate feeling when moving, promotes the riding comfort.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an exploded view of the single-side slide rail of the present invention.

Fig. 3 is a schematic view of the structure of the gear box and the fixing bracket of the present invention.

Fig. 4 is an exploded view of the single-side slide rail of the present invention.

Fig. 5 is a schematic diagram of the relationship between the motors and the gear boxes on two sides of the present invention.

Fig. 6 is a schematic view of the structure of the motor of the present invention.

Fig. 7 is a schematic view of a motor structure at another view angle of the present invention.

Wherein: 1. a mother rail; 2. a screw rod; 3. a gear case; 4. fixing a bracket; 5. a public rail; 6. a motor; 7. a plug; 8. fixing the ear; 9. a connecting member; 10. a contact member; 11. buckling claws; 12, clamping plates;

301. an aperture;

801. an arc-shaped section; 802. a tab.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-7, the dual-motor driven sliding rail of the present embodiment includes a rail assembly with mirror images on two sides, the rail assembly includes a female rail 1 fixedly installed on a vehicle floor, and a lead screw 2 fixedly installed in the female rail 1, a gear box 3 penetrates through the lead screw 2, a fixing bracket 4 is sleeved on the gear box 3, a male rail 5 is installed on the fixing bracket 4, the male rail 5 is driven by the gear box 3 to reciprocate along the lead screw 2,

the gear box 3 is correspondingly provided with a motor 6, the signal input source of the motor 6 is ECU, the ECU controls the synchronous start and stop of the motors 6 at both sides,

the motor 6 is arranged on the side wall of the gear box 3 close to the top wall of the gear box 3, and a vertical distance is reserved between the motor 6 and the main rail 1; the end face of the output shaft of the motor 6 is provided with a fixing lug 8, the fixing lug 8 extends towards the periphery of the end face of the motor 6, the top of the fixing support 4 is provided with a reference sheet corresponding to the fixing lug 8, and the fixing lug 8 and the reference sheet are fixedly installed through a connecting piece 9.

The fixing lugs 8 are symmetrically arranged on two sides of the end face of the motor 6, each fixing lug 8 comprises an arc-shaped section 801 bent and led out from the end face of the motor 6 to the gear box 3 and a lug piece 802 located on one side, deviating from the motor 6, of the arc-shaped section 801, and the lug piece 802 is flatly attached to a reference piece of the fixing support 4.

The reference piece is provided perpendicular to the top wall of the fixed bracket 4, and extends outward in the thickness direction of the fixed bracket 4.

A gap is reserved between the end surface of one side of the motor 6 facing the gear box 3 and the gear box 3.

Be connected with between the fixed ear 8 of both sides of motor 6 terminal surface and support the piece 10, support the both ends of piece 10 and link to each other with the fixed ear 8 of both sides, support the main part of piece 10 and set up along motor 6 terminal surface bottom.

The main body of the contact member 10 extends to the side wall of the gear case 3 and is attached to the side wall of the gear case 3.

Both ends of the main body of the contact element 10, which are close to the fixing lugs 8 on both sides, are provided with a buckling claw 11 pointing to the gear box 3, and the buckling claw 11 protrudes out of the end surface of the main body of the contact element 10, which is far away from one side of the motor 6.

The side wall of the gear housing 3 facing the motor 6 is provided with a hole 301 for receiving the catch 11.

The motors 6 on two sides are respectively provided with an ECU, a plug 7 used for connecting the ECU is arranged on a fixing lug 8 on one side of the motor 6, and the plug 7 and the motor 6 are positioned on the same side of the fixing lug 8.

The fixing lug 8 is provided with a clamping plate 12 on one side facing the plug 7, and the plug 7 is clamped and fixed by the clamping plate 12.

The specific structure and working process of the embodiment are as follows:

as shown in fig. 1-5, the rail assemblies on both sides respectively comprise a female rail 1, a screw rod 2 installed in the female rail 1, a gear box 3 penetrating through the screw rod 2, a fixing bracket 4 sleeved on the gear box 3, and a male rail 5 installed on the fixing bracket 4, and the male rail 5 slides back and forth along the female rail 1.

As shown in fig. 1, the track assemblies on the left and right sides are mirror-symmetrical, taking the right side as an example, the motor 6 is controlled by the ECU module, and after receiving a signal from the ECU module, the motor 6 drives the male rail 5 to move on the female rail 1 through the gear box 3, so as to realize the back-and-forth movement of the seat. Track subassembly and sit the in-process of basin installation about going on, because both sides track subassembly is the symmetry piece and independent existence, need not connect through mechanisms such as flexible axle or holder, consequently only need set up public rail relative position on female rail when dispatching from the factory and keep unchangeable, just can install when installation direct mount connects public rail 5 and sit the basin, need not settle female rail 1 and carry out public rail 5 and gear box 3's position control on frock clamp then install again and sit the basin, the complexity of installation has been reduced, the installation effectiveness has been improved.

The power output by the motor 6 is transmitted to the gear box 3 through the output shaft of the motor 6. The dual-motor driving structure explained in the embodiment is different from the single-motor driving structure, so that the components such as the retainer, the transmission flexible shaft and the like for connecting the sliding rails at two sides and supporting the motor are omitted, the motor is upwards lifted along the vertical direction through the transmission structure of the gear box 3, and the space between the sliding rails at two sides and above the automobile bottom plate is expanded. When the foreign matter invades the seat bottom, bi-motor drive structure also can effectually avoid at slide rail operation in-process motor and foreign matter collision, reduces the safety risk.

The clamping plate 12 arranged on the fixing lug 8 in the embodiment is used for clamping the plug 7, and the plug 7 is used for being connected with an external ECU module, so that the ECU module can control the starting and stopping of the motor 6.

The motor signal input source in the embodiment is an ECU, and the start and stop of the motor 6 are controlled by the ECU. General slide rail motor is at the in-process speed invariant of start, operation, stop, consequently there is pause and frustrate and feel when starting and stopping, the motor 6 of this embodiment can realize the variable speed operation under ECU's intervention, reduce the rotational speed of motor 6 (soft start) when starting, improve the motor 6 rotational speed to functioning speed (fast speed-up) rapidly afterwards, keep even running (steady operation), reduce motor 6 rotational speed earlier during the stop and then stop (soft stop), this running process can effectually reduce the pause and frustrate in the slide rail running process, promote riding comfort.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a slide rail with two motor drive, includes the track subassembly that both sides mirror image set up, its characterized in that: the track assembly comprises a female track (1) fixedly arranged on the floor of the vehicle and a screw rod (2) fixedly arranged in the female track (1), a gear box (3) penetrates through the screw rod (2), a fixing support (4) is sleeved on the gear box (3), a male track (5) is arranged on the fixing support (4), the male track (5) is driven by the gear box (3) to reciprocate along the screw rod (2),

the gear box (3) is correspondingly provided with a motor (6), the signal input source of the motor (6) is an ECU (electronic control unit), the ECU controls the synchronous start and stop of the motors (6) at the two sides,

the motor (6) is arranged on the side wall of the gear box (3) close to the top wall of the gear box (3), and a vertical distance is reserved between the motor and the main rail (1); be equipped with fixed ear (8) on the terminal surface of motor (6) output shaft, fixed ear (8) extend all around to motor (6) terminal surface, fixed bolster (4) top is equipped with the benchmark piece corresponding to fixed ear (8), through connecting piece (9) fixed mounting between fixed ear (8) and the benchmark piece.

2. The slide rail with dual motor drive of claim 1, wherein: the fixing lugs (8) are symmetrically arranged on two sides of the end face of the motor (6), each fixing lug (8) comprises an arc-shaped section (801) which is bent and led out from the end face of the motor (6) to the gear box (3) and a lug piece (802) which is located on one side, deviating from the motor (6), of the arc-shaped section (801), and the lug piece (802) is flatly attached to a reference piece of the fixing support (4).

3. The slide rail with dual motor drive of claim 2, wherein: the datum plate is perpendicular to the top wall of the fixing support (4) and extends outwards along the thickness direction of the fixing support (4).

4. The slide rail with dual motor drive of claim 1, wherein: a gap is reserved between the end face of one side, facing the gear box (3), of the motor (6) and the gear box (3).

5. The slide rail with dual motor drive of claim 4, wherein: a contact piece (10) is connected between the two side fixing lugs (8) of the end face of the motor (6), two ends of the contact piece (10) are connected with the two side fixing lugs (8), and the body of the contact piece (10) is arranged along the bottom of the end face of the motor (6).

6. The slide rail with dual motor drive of claim 5, wherein: the main body of the contact part (10) extends to the side wall of the gear box (3) and is attached to the side wall of the gear box (3).

7. The slide rail with dual motor drive of claim 6, wherein: the two ends of the main body of the contact part (10) close to the fixing lugs (8) on the two sides are respectively provided with a buckling claw (11) pointing to the gear box (3), and the buckling claws (11) protrude out of the end face of the main body of the contact part (10) on one side departing from the motor (6).

8. The slide rail with dual motor drive of claim 7, wherein: and a hole (301) for accommodating the buckling claw (11) is formed in the side wall of the gear box (3) facing to one side of the motor (6).

9. The slide rail with dual motor drive of claim 1, wherein: the motors (6) on the two sides are respectively provided with an ECU, a plug (7) used for connecting the ECU is arranged on a fixing lug (8) on one side of the motor (6), and the plug (7) and the motor (6) are positioned on the same side of the fixing lug (8).

10. The slide rail with dual motor drive of claim 9, wherein: one side of the fixing lug (8) facing the plug (7) is provided with a clamping plate (12), and the plug (7) is clamped and fixed by the clamping plate (12).