WO2019148790A1

WO2019148790A1 - Automobile seat slide rail

Info

Publication number: WO2019148790A1
Application number: PCT/CN2018/099078
Authority: WO
Inventors: 马明越; 张磊
Original assignee: 江苏力乐汽车部件股份有限公司
Priority date: 2018-01-31
Filing date: 2018-08-07
Publication date: 2019-08-08
Also published as: CN208216543U

Abstract

Provided is an automobile seat slide rail, comprising two slide rails (1) which are connected by a joystick (2). The slide rail (1) comprises a fixed slide rail (10), a front support foot (11), a rear support foot (12), a slide core (13), a rolling assembly (9), a locking mechanism (7) and an unlocking mechanism (8). Two ends of the fixed slide rail (10) are each fixedly mounted on a vehicle chassis under a vehicle seat via the front support foot (11) and the rear support foot (12). The slide core (13) is fixedly mounted on a seat basin of the vehicle seat, and the slide core (13) is clamped in the fixed slide rail (10). The rolling assembly (9) is clamped between the sliding core (13) and the sliding rail (10), and the sliding core (13) is movable back and forth on the fixed sliding rail (10) by means of the rolling assembly (9).

Description

Car seat slide

Technical field

The utility model belongs to the technical field of automobile manufacturing, and in particular to a sliding rail of a car seat.

Background technique

With the continuous development of the automotive industry, people have higher and higher requirements for the comfort level, load bearing strength, craft level, appearance requirements and quality of the car seat. The car seat should be designed to make the driver and the passenger comfortable and seat. It can be moved back and forth, and the position of the seat can be adjusted according to its own body shape to ensure that people can sit in the seat in a comfortable posture and conveniently control the steering wheel and each foot pedal.

The existing car seat slide has many sliding rail components, complicated structure and complicated assembly, and the front and rear position fine adjustment of the seat on the market is 10mm-20mm, which cannot meet the requirements of the rider for fine adjustment of the front and rear position of the seat. Greatly affected the comfort of the ride.

Utility model content

In order to solve the defects of the prior art that the slide rail components are excessive, the utility model provides a car seat slide rail.

The technical scheme of the utility model is as follows:

The utility model provides a car seat slide rail, which comprises two slide rails which are identical in structure and arranged in parallel. The two slide rails are connected by a joystick, and the slide rail comprises a fixed slide rail, a front leg, a rear leg, a slide core, The rolling assembly, the locking mechanism and the unlocking mechanism, the two ends of the fixed sliding rail are fixedly mounted on the vehicle chassis under the car seat through the front leg and the rear leg respectively, and the sliding core is fixedly mounted on the car seat basin, and the sliding core The card is disposed in the fixed sliding rail, and a rolling component is sandwiched between the sliding core and the sliding rail, and the sliding core can move back and forth on the fixed sliding rail through the rolling component.

The fixed rail has a "u" shape, and the bottom wall is horizontally disposed. The top ends of the side walls are bent inwardly and then bent downward to form two inner walls, and the inner walls are provided with array-arranged limiting slots for fixing A limiting protrusion is arranged on each of the two side walls at both ends of the sliding rail.

The sliding core has an "n" shape, and the side walls of the two sides are bent outward and then bent upward to form two outer walls. The outer wall is embedded between the inner wall and the side wall of the fixed sliding rail, and the outer wall of the sliding core is The rolling assembly is sandwiched between the side walls of the fixed rail, and the first mounting hole and the second mounting hole are further disposed on the bottom wall of the sliding core.

The locking mechanism comprises an unlocking handle, a fixing pin and a fixing bracket. The fixing bracket is mounted on the bottom wall between the two side walls of the sliding core, and the unlocking handle is mounted on the fixing bracket by the fixing pin, wherein the unlocking handle is provided with a nesting hole a mounting slot, a fixing clip, a fixing hole and a locking claw communicating with the insertion hole, wherein the unlocking handle is provided with a first card slot for use with the fixing clip at an end close to the insertion hole, wherein the fixing hole is provided with the above fixing The pin, the locking claw and the limiting groove on the fixed sliding rail are fitted together, and further, the mounting groove is grooved on the bottom wall near one end of the fixing hole.

The unlocking mechanism comprises a reset wire and a joystick, wherein the reset wire is disposed in the first mounting hole, the return wire is provided with a hook at one end, the hook is connected with the second mounting hole, and the other end of the reset wire is connected with the groove, the joystick The end portion is provided with a second card slot corresponding to the first card slot, and the end of the lever is inserted into the mounting slot after passing through the sleeve hole, and the end of the lever is closely attached to the inner wall of the mounting groove that is in contact with the same A reset wire is interposed between the two, and the fixing sleeve is disposed in the first card slot and the second card slot to fix the unlocking handle and the joystick.

In the embodiment provided by the present invention, when the lever forcibly releases the locking claw on the unlocking handle from the limiting slot on the fixed sliding rail (in the unlocked state), the resetting wire drives the locking claw under the action of the elastic force. Snap into the limit slot on the fixed rail (locked state).

In an embodiment provided by the present invention, the rolling assembly includes a retainer and a steel ball rotatably mounted on the retainer, the retainer being slidable between the two limiting projections on the same side thereof by the steel ball.

In the embodiment provided by the present invention, the two sides of the bottom wall of the cage are bent inwardly into two clamping walls having a circular cross section, and each of the clamping walls is provided with two steel ball mounting grooves, each steel ball A steel ball is embedded in the mounting groove.

In the embodiment provided by the present invention, the arc between the inner wall and the side wall of the fixed slide rail is transitioned.

In the embodiment provided by the present invention, the arc between the outer wall and the side wall of the sliding core is transitioned.

The utility model has the advantages that the automobile seat sliding rail fitting provided by the utility model has fewer sliding parts and is simple to install, and provides a new unlocking mode. Since the resetting steel wire has strong integrity and is not easy to fatigue, the twisting of the existing design is fundamentally solved. After the spring is fatigued, the seat rail is not reset in time and the positioning is not accurate, which not only prolongs the service life of the car rail seat, but also improves the positioning accuracy of the car seat rail.

DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. It should be understood that the following drawings illustrate only certain embodiments of the present invention. Therefore, it should not be seen as limiting the scope, and those skilled in the art can obtain other related drawings according to the drawings without any creative work.

Figure 1 is a view showing the assembly of a car seat slide provided by the utility model;

Figure 2 is a structural view of a car seat slide provided by the utility model;

Figure 3 is a structural view of the rear leg provided by the utility model;

Figure 4 is a structural view of the fixed slide rail provided by the utility model;

Figure 5 is a cross-sectional view of the fixed rail provided by the utility model;

Figure 6 is a structural view of the sliding core provided by the utility model;

Figure 7 is a cross-sectional view of the sliding core provided by the utility model;

Figure 8 is a structural view of the unlocking handle provided by the utility model;

Figure 9 is a structural view of the fixing bracket provided by the utility model;

Figure 10 is a structural view of a joystick provided by the present invention;

Figure 11 is an enlarged view of A in Figure 10;

Figure 12 is a structural view of the fixing clip provided by the utility model;

Figure 13 is a structural view of a rolling assembly provided by the present invention.

The figure shows: 100-car seat rail; 1-slide rail; 10--sliding rail; 101-inner wall; 102-stop slot; 103-stop projection; 11-front leg; 12-rear foot ; 13 - sliding core; 130 - outer wall; 131 - first mounting hole; 132 - second mounting hole; 2 - joystick; 20 - second card slot; 21 - first stop surface; 22 - snap hole; 3-bolt hole; 4-connecting hole; 5-rivet; 6-side wall; 7-locking mechanism; 70-unlocking handle; 700-sleeping hole; 701-mounting groove; 7010-second stop surface; - fixing clip; 7020 - clamp portion; 7021 - extension; 703 - fixing hole; 704 - locking claw; 705 - first card slot; 706 - groove; 71 - fixing pin; 72 - fixing bracket; Mechanism; 80-reset wire; 9-rolling assembly; 90-cage; 91-steel; 900-clamping wall; 901-steel mounting groove.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

The technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. The embodiments are a part of the embodiments of the present invention, and not all of them. Therefore, the following detailed description of the embodiments of the present invention are not intended to limit the scope of the claimed invention Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms of the orientation or the positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for the convenience of describing the present invention and simplifying the description, rather than indicating or suggesting The device or component referred to must have a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting the invention.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrated; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two components or the interaction of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature may include direct contact of the first and second features above or below the second feature, and may also include that the first and second features are not in direct contact, unless explicitly stated and defined otherwise. Instead, it is contacted by additional features between them. Moreover, the first feature includes, above and above the second feature, the first feature is directly above and above the second feature, or merely indicates that the first feature level is higher than the second feature. The first feature includes, below and below the second feature, the first feature is directly below and below the second feature, or merely indicates that the first feature level is less than the second feature.

Example:

As shown in FIG. 1 and FIG. 2 , the present embodiment provides a vehicle seat rail 100 comprising two slide rails 1 of the same structure and arranged in parallel. The two rails 1 are connected by a joystick 2, and the slide rail 1 includes The fixed rail 10, the front leg 11, the rear leg 12, the slide core 13, the rolling assembly 9, the locking mechanism 7, and the unlocking mechanism 8, the two ends of the fixed rail 10 are fixedly mounted on the car through the front leg 11 and the rear leg 12, respectively. On the vehicle chassis under the seat, the slide core 13 is fixedly mounted on the car seat basin, and the slide core 13 is locked in the fixed slide rail 10, and the rolling assembly 9 is sandwiched between the slide core 13 and the slide rail 1 . The slide core 13 is movable back and forth on the fixed slide rail 10 by the rolling assembly 9.

As shown in FIG. 3, specifically, the front leg 11 and the rear leg 12 are identical in structure, and the front leg 11 is provided with two bolt holes 3 and one connecting hole 4, and the front leg 11 passes through the connecting hole 4 and the vehicle chassis. For the fixed connection, the rear leg 12 is provided with two bolt holes 3 and a connecting hole 4, and the rear leg 12 is fixedly connected to the vehicle chassis through the connecting hole 4 thereon.

As shown in FIG. 4 and FIG. 5, the fixed rail 10 has a U-shaped cross section, and the bottom wall is horizontally disposed. The top ends of the side walls 6 are bent inwardly and then bent downward to form two inner walls 101 and two inner walls. The limiting slot 102 is arranged in the array. The two side walls 6 at the two ends of the fixed sliding rail 10 are respectively provided with a limiting protrusion 103, that is, two opposite ends of the fixed sliding rail 10 The limiting protrusions 103 are disposed, and each of the fixed sliding rails 10 is provided with four limiting protrusions 103.

Specifically, the bottom wall of the two ends of the fixed rail 10 is respectively provided with two bolt holes 3, wherein two bolt holes 3 at one end of the bottom wall of the fixed rail 10 and two bolts corresponding to the front leg 11 are fixed. The holes 3 are connected by rivets 5, and the other two bolt holes 3 at the other end of the bottom wall of the fixed slide rail 10 and the corresponding two bolt holes 3 on the rear leg 12 are also connected by the rivet 5.

As shown in FIG. 6 and FIG. 7 , the sliding core 13 has an “n” shape in cross section, and the side walls 6 of the two sides are bent outward and then bent upward to form two outer walls 130. The outer wall 130 is embedded in the fixed rail. The rolling assembly 9 is interposed between the outer wall 101 of the sliding core 13 and the side wall 6 of the fixed sliding rail 10, and the first mounting hole is further disposed on the bottom wall of the sliding core 13 131 and a second mounting hole 132.

Specifically, the bottom wall of the two ends of the sliding core 13 is respectively provided with four bolt holes 3, and the bottom wall is further provided with a connecting hole 4 near the first mounting hole 131, and the sliding core 13 passes through the four bolt holes 3 and The seat basin is connected by M8 bolts.

The locking mechanism 7 includes an unlocking handle 70, a fixing pin 71 and a fixing bracket 72 mounted on a bottom wall between the side walls 6 of the sliding core 13, and the unlocking handle 70 is mounted on the fixing bracket 72 by a fixing pin 71. As shown in FIG. 8, the unlocking handle 70 is provided with a nesting hole 700, a mounting groove 701 communicating with the nesting hole 700, a fixing clip 702, a fixing hole 703 and a locking claw 704. The unlocking handle 70 is close to the nesting hole 700. The first card slot 705 is disposed at one end of the fixing clip 702. The fixing hole 703 is provided with the fixing pin 71. The locking claw 704 is matched with the limiting slot 102 of the fixed sliding rail 10, and is further installed. The groove 701 has a groove 706 formed in a bottom wall near one end of the fixing hole 703.

As shown in FIG. 9, the fixing bracket 72 is provided with a bolt hole 3 and a connecting hole 4, and the connecting hole 4 on the fixing bracket 72 and the connecting hole 4 on the bottom wall of the sliding core 13 are fitted together, and the two are passed through the M6 convex. The welding bolts are connected, and the bolt holes 3 on the fixing bracket 72 are connected to the unlocking handle 70 by the fixing pins 71.

The unlocking mechanism 8 includes a reset wire 80 and a lever 2, and the reset wire 80 is disposed in the first mounting hole 131. Both ends of the reset wire 80 are located on both sides of the first mounting hole 131, and the reset wire 80 is provided with a hook at one end thereof. The hook is hooked to the second mounting hole 132, and the other end of the reset wire 80 is bent and then hooked to the groove 706. As shown in FIG. 10 and FIG. 11 , the end of the operating lever 2 is provided with a second slot 20 corresponding to the first slot 705 , and the end of the lever 2 passes through the sleeve hole 700 and is placed in the mounting slot 701 . And the end of the operating rod 2 is in close contact with the inner wall of the mounting groove 701, and the reset wire 802 is disposed between the first card slot 705 and the second card slot 20, The unlocking handle 70 and the lever 2 are firmly connected.

Specifically, as shown in FIG. 12 , the fixing clip 702 is provided with a clip portion 7020 and an extension portion 7021 , and the clip portion 7020 is engaged in the second card slot 20 through the first card slot 705 . As shown in FIG. 11 and FIG. 12, the end of the operating lever 2 is provided with a first stopping surface 21, and the first stopping surface 21 is provided with a locking hole 22, and the free end of the extending portion 7021 is engaged in the locking hole 22. A second stop surface 7010 is disposed on the inner wall of the mounting groove 701. The first stop surface 21 and the second stop surface 7010 are in close contact with each other with a one end reset wire 80 interposed therebetween.

In the present embodiment, when the lever 2 forces the locking pawl 704 on the unlocking handle 70 to fall out of the limiting slot 102 on the fixed rail 10 (in the unlocked state), the reset wire 80 drives the lock under the action of the elastic force. The claw 704 is re-engaged in the limit groove 102 on the fixed slide rail 10 (in the locked state).

As shown in FIG. 13, in the present embodiment, the rolling assembly 9 includes a retainer 90 and a steel ball 91 rotatably mounted on the retainer 90. The retainer 90 can pass through the two sides of the steel ball 91 on the same side thereof. The position protrusions 103 slide between them.

The gap between the end of the upper limit projection 103 of the fixed slide rail 10 and the outer wall 130 of the slide core 13 fitted thereto is smaller than the diameter of the steel ball 91. In addition, specifically, four retainers 90 are disposed between the fixed slide rail 10 and the slide core 13 mounted thereon, and the inner walls 101 of the fixed slide rails 10 and the outer wall 130 of the slide core 13 adjacent thereto are spaced apart from each other. Two cages 90.

Specifically, in this embodiment, the two sides of the bottom wall of the holder 90 are bent inwardly into two clamping walls 900 having a circular cross section, and each of the clamping walls 900 is provided with two steel ball mounting slots 901. A steel ball 91 is embedded in each of the mounting slots 701.

In the present embodiment, the fixed sliding rail 10 has a circular arc transition between the inner wall 101 and the side wall 6.

In this embodiment, the arc core 13 has a circular arc transition between the outer wall 130 and the side wall 6.

Specifically, in the embodiment, the above fixed connection is a bolt connection.

The working principle of the car seat slide 100 provided by this embodiment is that when the joystick 2 is lifted up, the joystick 2 will drive the unlocking handle 70 on the two slide rails 1 to rotate, so that the locking pawl 704 on the unlocking handle 70 is disengaged. The limiting slot 102 on the sliding rail 10 is fixed. At this time, the car seat rail 100 is in an unlocked state, and then the body seat or the hand can be used to move the car seat back and forth to slide back and forth on the fixed rail 10 to adjust the seat to After the proper position, the joystick 2 is released, and the unlocking handle 70 will re-lock the locking pawl 704 thereon into the limiting slot 102 on the fixed rail 10 under the elastic force of the resetting wire 80, and the seat will be seated. Locked in this suitable position, the car seat slide 100 is now in a locked state.

The beneficial effects of the car seat slide provided by the embodiment are as follows: the utility model provides fewer sliding seat accessories and simple installation, and provides a new unlocking mode. Fatigue, fundamentally solves the problem that the seat rail is not reset in time and the positioning is not accurate after the fatigue of the torsion spring in the existing design, thereby not only prolonging the service life of the car rail seat, but also improving the car seat. Chair rail positioning accuracy.

The above is not intended to limit the scope of the present invention. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention. In the scope of the novel technical solutions, when the above-disclosed technical contents are used to make some modifications or modifications to equivalent embodiments, the present invention does not deviate from the technical solutions of the present invention. Any simple modifications, equivalent changes and modifications made by the embodiments are still within the scope of the technical solutions of the present invention.

Claims

A car seat slide rail comprising: two slide rails of the same structure and arranged in parallel, the two slide rails being connected by a joystick, the slide rail comprising a fixed slide rail, a front leg, a rear leg, a slide core, The rolling assembly, the locking mechanism and the unlocking mechanism are fixedly mounted on the vehicle chassis under the car seat through the front leg and the rear leg respectively, and the sliding core is fixedly mounted on the car seat basin, and is sliding The core card is disposed in the fixed sliding rail, and a rolling component is sandwiched between the sliding core and the sliding rail, and the sliding core can move back and forth on the fixed sliding rail through the rolling component;

The fixed rail has a "u" shape, and the bottom wall is horizontally disposed. The top ends of the side walls are bent inwardly and then bent downward to form two inner walls, and the inner walls are provided with array-arranged limiting grooves. A limiting protrusion is arranged on each of two side walls at both ends of the fixed sliding rail;

The sliding core has an "n" shape, and the side walls of the two sides are bent outward and then bent upward to form two outer walls. The outer wall is embedded between the inner wall and the side wall of the fixed sliding rail. The rolling assembly is interposed between the outer wall of the core and the side wall of the fixed rail, and further, the bottom wall of the sliding core is further provided with a first mounting hole and a second mounting hole;

The locking mechanism includes an unlocking handle, a fixing pin and a fixing bracket. The fixing bracket is mounted on the bottom wall of the sliding core, and the unlocking handle is mounted on the fixing bracket by a fixing pin, wherein the unlocking handle is provided with a nesting hole and a nesting hole a connecting slot, a fixing clip, a fixing hole and a locking claw, wherein the unlocking handle is provided with a first card slot for use with the fixing clip at an end close to the nesting hole, and the fixing pin is provided with the fixing pin The locking claw is matched with the limiting groove on the fixed sliding rail, and further, the mounting groove has a groove on the bottom wall near one end of the fixing hole;

The unlocking mechanism includes a reset wire and a joystick, the reset wire is disposed in the first mounting hole, and one end of the reset wire is provided with a hook, the hook is connected with the second mounting hole, and the other end of the reset wire is connected with the groove. The end of the joystick is provided with a second card slot corresponding to the first card slot, and the end of the lever is inserted into the mounting slot after the end of the lever, and the end of the lever and the inner wall of the mounting slot opposite thereto Adheringly, a reset wire is interposed between the two, and the fixing sleeve is disposed in the first card slot and the second card slot to fix the unlocking handle and the joystick.
The automobile seat rail according to claim 1, wherein when the lever forces the locking claw on the unlocking handle to fall off from the limiting slot on the fixed rail (in an unlocked state), the resetting wire is elastic. Under the action, the locking pawl is re-engaged into the limiting slot on the fixed rail (in the locked state).
The automotive seat rail according to claim 2, wherein the rolling assembly comprises a retainer and a steel ball rotatably mounted on the retainer, the retainer passing through the steel ball can be on the same side of the two limits Slide between the bumps.
The automobile seat rail according to claim 3, wherein both sides of the bottom wall of the cage are bent inwardly into two clamping walls having a circular cross section, and each of the clamping walls is spaced apart from each other. Two steel ball mounting slots are installed, and one steel ball is embedded in each steel ball mounting groove.
The automobile seat rail according to claim 4, wherein a gap between the end portion of the fixed upper rail of the fixed rail and the outer wall of the sliding core adjacent thereto is smaller than the diameter of the steel ball.
The automobile seat rail according to claim 1, wherein a circular arc transition between the inner wall and the side wall of the fixed rail.
The automobile seat rail according to claim 1, wherein a circular arc transition between the outer wall of the sliding core and the side wall.