KR100288297B1 - Guide rail lock of car seat - Google Patents

Abstract

The present invention relates to a seat guide rail lock device of a vehicle, and in the related art, a coupling device, a clip spring and a bracket, is a lock device applied to both rails of a seat, and the lock release system simultaneously operates on both rails according to the operation of the clip springs. When the seat is twisted due to the force applied to the side of the seat belt buckle is mounted when the vehicle crashes, there is a problem that the clip spring transmits the force to the other rail to affect both lock devices.

Therefore, in the seat lock release system consisting of a bracket, a coupling portion and a clip spring, the coupling portion and the clip spring are coupled using a spring so that a force applied to one guide rail is not transmitted to the other guide rail during a vehicle collision. It is a useful invention to make the seat guide rail lock device more robust.

Description

Guide rail lock of car seat.

The present invention relates to a lock device installed on a guide rail of a car seat, and more particularly, to the lock device of both rails by using a spring to fasten the towel bars to act independently of each other by the seat belt buckle-mounted side rail in the vehicle collision A guide rail lock of an automobile seat which prevents the towel bar from transmitting force to the other rail when the seat is warped by the force applied to the seat.

In general, a big feature of the car seat is that the ride-level support is appropriate to absorb the vibration from the road surface and to minimize fatigue, and the weight and cost of the seat occupy a large proportion among the components of the vehicle. Therefore, it is necessary to adopt a lightweight or economical structure, and a space dimension that needs to have a shape and dimensions that can be satisfactorily seated by all the planned seats, and occupies a large part of the cabin space. It must be satisfactory.

In addition, due to the large amount of manual work, it is necessary to pay full attention to productivity, and to have strength and durability suitable for the purpose of the vehicle.In addition, each country implements its own laws and regulations on the seat size, strength and headrestraint relationship. Therefore, it is necessary to make it suitable for each legal regulation.

In addition, the types of seats are classified into driver seats, parser seats, rear seats, and child seats according to the use and arrangement. Depending on the function, it is divided into fixed sheet, adjustable sheet, convertible sheet, fold sheet, and rebound sheet.

And the structure of the seat is generally installed seat spring in the seat frame, put the pad on it, and then covered with the trim cover assembly again, in addition to forming the seat frame in a box shape and using a thick pad seat spring In some cases, a woven spring, a wire, or the like is used as the seat spring through the omitted full foam sheet or coil spring.

In other words, the seat frame needs the strength and rigidity necessary to transfer the loads of the elevation and the seat itself to the vehicle structure, and the seat slide adjuster, the rig lining adjuster, the seat lifter, and the ram support adjuster. Functional parts such as side support adjusters, safety parts such as headrest lanes and seat belts, and design parts such as centerrests are installed.

In addition, the seat frame is roughly divided into a cushion frame and a back frame, each of which is independent of each other, such as a rear seat of a general passenger vehicle, that is, being installed in a vehicle body in the form of a seat, and made of one body or a bolt of a general passenger vehicle. It is made of one body by fastening, or it is joined by a rig lining mechanism. The material used for the seat frame is generally steel plate, steel pipe, and steel wire, but for light weight, aluminum alloy, magnesium alloy, resin, wood, hard board It is also used as a back.

In addition, the seat spring is a component that most influences the static and dynamic characteristics of the seat, and is a spring for a sheet processed with a piano wire or a hard steel wire having a diameter of 2.6 to 4.0 mm, and in a broad sense, a woven spring is also included in the seat spring. do.

In addition, the pad refers to a flexible object placed between the seat spring and the skin material or used as a full foam sheet. Usually, one or two or three layers of urethane foam and palm lock are used. The purpose of the pad is to form a sheet. To prevent the heterogeneity of the part where the spring is seated in the spring-type seat and the contact part of the spring or to act as a cushioning body and to act as a spring and dumping. Since even the role of a substitute is required, high elasticity is required, and it is also an important function to have a soft touch on the surface of the sheet.

The role of the skin material used for the surface of the sheet is to improve the characteristic appearance and the surface feel of the sheet intended by the design, and also serves as a protective film for covering the pad material, and some cars have leather.

In addition, various adjusters are installed to take a comfortable seating position according to the physique and taste of the ascending dimension.The seat slide adjuster for adjusting the front and rear positions of the seat and the rig lining adjuster for adjusting the angle of the seat back are also provided. , A walk-in mechanism for improving the liftability of the rear seat in a two-door vehicle, a lifter mechanism for adjusting the up and down position of the seat, and a lumber for varying the lumbar support in the lift for long-term driving Support adjusters, side support adjusters to adjust the lateral support when the car is cornering.

The seat is installed on two rails to adjust the position back and forth according to the physique of the passenger, and the two rails each have a locking device for fixing after the seat is installed.

That is, FIG. 1 is a side view showing a mounting state of a general seat, and FIG. 2 is an exploded perspective view showing a coupling part, a bracket, and a clip spring of a conventional guide rail lock device, as shown in the drawing. The connector 11 is formed, the other end of the insertion groove 12 and a predetermined number of grooves 13 are formed, the connector 11 is formed with a fixing groove.

In addition, a stopper pin 25 is formed at the end of the coupling portion 20 installed on the guide rail, and a protrusion 24 is formed at a position corresponding to the fixing groove of the connector 10. A stopper 21 is formed therein, and an insertion hole 22 is formed at a position corresponding to the insertion groove 12 of the bracket 10, and a protrusion (20) corresponding to the groove 13 of the bracket 10 is formed. 23) is formed.

On the other hand, the clip spring 30 is coupled to the coupling portion 20 and the bracket 10 to release the locking device to adjust the position of the seat hole 31 is inserted into the stopper pin 25 at its end Is formed, the stopper 21 is formed in a '-' shape so that the insertion, the insertion hole 32 is formed on one side.

In addition, the coupling part 20 and the clip spring 30 are coupled by a clip 40 having elasticity. An insertion protrusion 41 may be inserted into the insertion hole 32 at the center of one side of the clip 40. ) Is formed.

Therefore, the combination of the coupling portion 20 and the clip spring 30 and the bracket 10 configured as described above is a locking device applied to both rails of the seat, respectively, and the lock release system is adjusted according to the operation of the clip spring 300. It will run simultaneously on the rails.

Therefore, when the seat is twisted by the force applied to the side rail on which the seat belt buckle is mounted during the vehicle crash, the clip spring transmits the force to the other rail, thereby affecting both the locking devices.

Accordingly, an object of the present invention is to provide a guide rail lock device for a vehicle in which a clip spring is configured as an independent body so that the force transmitted to one rail is not transmitted to the other rail when the vehicle collides. have.

The object of the present invention as described above, in the seat lock release system consisting of a bracket, the coupling portion and the clip spring to couple the coupling portion and the clip spring using a spring so that the force applied to one coupling portion during the vehicle collision is not transmitted to the other coupling portion. Is achieved by doing so.

The present invention achieves the above object by making the locking device more rigid by preventing the force from being transmitted to the other rail by the clip spring when the seat is twisted by the force applied to the guide rail of the seat belt buckle-mounted side when the vehicle is crashed. You can do it.

1 is a side view showing a mounting state of a typical car seat.

Figure 2 is an exploded perspective view showing a conventional guide rail lock device.

Figure 3 is an exploded perspective view showing a guide rail lock device according to the present invention.

Figure 4 is a perspective view showing a coupling state of the guide rail lock device according to the present invention.

Explanation of symbols for the main parts of the drawings

100: bracket 110: connector

111: fixing groove 120: insertion groove

130: groove 200: coupling portion

210: stopper 220: insertion hole

230: protrusion 240: protrusion

241: stopper pin 300: clip spring

310: hole 400: return spring

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

That is, Figure 3 is an exploded perspective view showing the bracket, the coupling portion and the clip spring according to the present invention, Figure 4 is a perspective view showing the coupling state of the bracket, the coupling portion and the clip spring according to the present invention.

As shown in the figure, the present invention includes a bracket 100 having a connector 110 having a fixed groove 111 formed on one side thereof, and having an insertion groove 120 and a predetermined number of grooves 130 formed therein; A stopper 210 is formed at an upper end of the end portion, and a protrusion 240 is formed to be inserted into the fixing groove 111 of the bracket 100. A stopper pin 241 is formed at the other side of the protrusion 240. A protrusion 230 inserted into the groove 130 and an insertion hole 220 inserted into the insertion groove 120 are formed at positions corresponding to the insertion groove 120 and the groove 130 of the bracket 100. In the center of the insertion hole 220 includes a coupling part 200 in which a locking hole 221 is formed.

In addition, the clip spring 300, the hole 310 is formed at the end so that the stopper pin 241 of the coupling portion 200 can be fitted; The hollow 410 is fitted to the stopper pin 241 and one end thereof is caught by the engaging hole 221 of the coupling part 200 to couple the bracket 100 to the coupling part 200 and the clip spring 300. Return spring 400; is configured to include.

That is, the bracket to be coupled to the seat to install the seat in the coupling portion is formed with a connector 110 is formed with a fixing groove 111 on one side, the protrusion of the coupling portion 200 is fitted into the fixing groove 111 The insertion groove 120 and the predetermined number of grooves 130 are formed at the rear thereof, and the insertion hole 220 and the protrusion 230 of the coupling portion are coupled to each other.

In addition, the coupling part 200 installed on the guide rail has a stopper 210 formed at an upper end thereof, and is operated by the clip spring 300, and a protrusion 240 is formed to fix the fixing groove 111 of the bracket 100. ) Is coupled to the bracket 100 and a stopper pin 241 is formed on the other side of the protrusion 240 is inserted into the hole 310 formed at the end of the clip spring and then the hollow of the return spring 400 410 is inserted.

The insertion holes 220 and the protrusions 230 are formed at positions corresponding to the insertion grooves 120 and the grooves 130 of the bracket 100, and are coupled to the brackets 100, and the locking holes are formed at the center of the insertion holes 220. 221 is formed and the insertion hole 220 is inserted into the insertion groove 120, the end 420 of the return spring 400 is inserted and coupled.

In addition, the bracket 100, the coupling part 200, and the clip spring 300, which are formed as described above, have a hollow 410 fitted into the stopper pin 241, and the end 420 is caught by the coupling part 200. Engaged in the ball 221 is coupled by the return spring (400).

In the figure, reference numeral 500 denotes a seat frame, 600 denotes an upper rail, and 700 denotes a lower rail.

The guide rail lock device coupled as described above is released by the operation of the clip spring 300 to adjust the position of the seat, and the force applied only to one rail in the event of a collision, the return spring 400 absorbs the clip spring 300 ) Will not be delivered to the other side.

As described above, the present invention is coupled by a return spring, so that both guide rail lock devices operate independently of each other so that the force applied to the side rail on which the seat belt buckle is mounted is not transmitted to the other rail in the event of a vehicle collision. It is a useful invention to make the locking device of both rails stronger.

Claims (1)

A connector 100 having a fixing groove 111 formed on one side thereof, and having an insertion groove 120 and a predetermined number of grooves 130 formed therein; A stopper 210 is formed at an upper end of the end portion, and a protrusion 240 is formed to be inserted into the fixing groove 111 of the bracket 100. A stopper pin 241 is formed at the other side of the protrusion 240. A protrusion 230 inserted into the groove 130 and an insertion hole 220 inserted into the insertion groove 120 are formed at positions corresponding to the insertion groove 120 and the groove 130 of the bracket 100. At the center of the insertion hole 220, a coupling part 200 in which a locking hole 221 is formed; A clip spring 300 having a hole 310 formed at an end thereof to allow the stopper pin 241 of the coupling portion 200 to be fitted thereto; And the hollow 410 is fitted to the stopper pin 241 and the end 420 is caught in the engaging hole 221 of the engaging portion 200, the bracket 100, the engaging portion 200 and the clip spring 300 A return spring (400) for coupling; Seat guide rail lock device for a vehicle, characterized in that consisting of.