KR101009113B1 - A buckle for side airbag of vehicle - Google Patents

Abstract

The present invention relates to a buckle for an automobile side air bag, and more particularly, to adjust the length of the connecting belt connecting the buckle and the side air bag so that the same side air bag can be applied to models having various filler lengths, and the side air bag Minimizes defects when installing the product, and secures the connecting straps so that they do not overlap or tip to one side even if the buckle is rotated by the force generated when the mounted side airbag is operated in an unexpected situation. It is to provide a buckle for a vehicle side air bag that can protect a passenger.

The technical configuration of the buckle for the side air bag is mounted on the vehicle, the buckle is characterized in that it comprises a length adjusting unit for adjusting the length between the side air bag and the buckle by using a connection belt connected to the side air bag.

Side airbag, buckle, strap, length, adjustment, adjustment, model, application

Description

Buckle for car side airbag {A BUCKLE FOR SIDE AIRBAG OF VEHICLE}

The present invention relates to a buckle for an automobile side air bag, and more particularly, to a side buckle for fixing a side air bag using a connection strip to a vehicle filler, and to enable adjustment of the length of the connection strip to be applied to various types of vehicles.

In general, a car airbag is equipped with a sensor that can detect the impact force generated in the event of a crash or sudden stop during high-speed driving, by injecting compressed gas into the airbag instantaneously and rapidly inflating according to the signal of the sensor according to the impact strength in case of an accident It is a safety device that protects the driver as well as the occupants.

Recently, cars are used as commodities essential to modern life as they are used not only for commuting on weekdays but also for weekend breaks, but they are convenient for living.However, as the demand increases, roads become more complicated and there is a risk of accidents. It's getting bigger.

For this reason, automobiles are equipped with various safety devices for the safety of occupants such as front airbags and side airbags in preparation for accidents such as collisions, and demands for these safety devices are increasing.

1 is a front view illustrating a state in which a general side airbag is mounted on a pillar. As shown in FIG. 1, a representative configuration in which a side airbag is installed in a pillar is shown.

First, the side airbag 20 is mounted inside the pillar 10 and fixed with the buckle 30, and the side airbag 20 and the buckle 30 are connected with the connecting strip 40, and are illustrated in the drawings. However, the side airbag 20 is provided with a sensor for detecting a collision of the vehicle, the inflator 21 is operated by receiving the signal of the sensor.

Such a side air bag 20 is provided to protect passengers by preventing direct contact with external obstacles or in-vehicle structures during a side collision of the vehicle, and at the rear end of the side air bag 20 installed in the filler 10. An inflator 21 having a gas for deploying the side airbag 20 is provided.

On the other hand, at the front end of the side airbag 20 installed in the filler 10, a buckle 30 for fixing the side airbag 20 that is inflated and deployed with the inflator 21 is fixed to the vehicle body with a screw piece.

(A), (b), (c) is a figure which shows the buckle according to the prior art. As shown in Figure 2 (a), the buckle 100 is formed in a shape in which the connection strip 200 is coupled to the long rectangular hole 110, the buckle 100 and the connection strip 200 is properly coupled You may not be able to.

In FIG. 2B, since a space in which the connecting strip 200 flows in the aforementioned rectangular hole 110 is provided, a phenomenon in which the connecting strip 200 rotates in the rectangular hole 110 may occur. , Due to this, when the side airbag is mounted on the vehicle, the buckle 100 that has been returned after grasping whether the state of the buckle 100 is good or bad may be added to the original position.

In FIG. 2 (c), when the vehicle collides and the side airbag is operated, the buckle 100 is pulled to the side airbag side due to the instantaneous gas explosion force generated in the inflator, so that the connecting strip 200 is connected to the hole 110. The side airbag may be unstable because it is slid to the bottom surface.

In addition, due to the friction generated in the above process, the fixing strap for fixing the connecting strap to the buckle may be broken, the side air bag may not be inflated in the normal direction during side impact, and the length of the connecting strap This was not possible, there was a problem such as not being able to apply the same side airbag to various models.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a buckle for a vehicle side air bag that can adjust the length of the connection strip to be applicable to a variety of models.

Another object of the present invention is to provide a buckle for an automobile side air bag that can minimize the coupling complexity of the connection strip by not blocking the portion to which the connection strip is inserted to facilitate the connection when connecting the connection strip to the buckle.

Another object of the present invention in the hole of the buckle used to secure the side air bag, to prevent the connection band is rotated to facilitate the operation at the production site when the operator is equipped with the side air bag, the fixing structure is bad It is an object of the present invention to provide a buckle for a side airbag of a car that is made to be free.

 In order to achieve the above object, the present invention provides a buckle for a side air bag mounted on an automobile, wherein the buckle is a length adjusting part capable of adjusting a length between the side air bag and the buckle using a connection band connected to the side air bag. It is characterized by including.

The length adjusting part includes a first support part for passing and fixing the connecting strip connected to the buckle to the bottom thereof; A central protrusion having one end portion of the connection band passing through the first support part being wrapped and fixed therethrough; It characterized in that it comprises a second support for passing and fixing the connecting strip passing through the central projection to the lower portion, the other end of the connecting strip is connected to the side air bag.

In addition, the first support portion, the central projection portion and the second support portion is formed by the projection, the first support portion, the central projection portion, the second support portion is formed between the grooves, it is formed so as to restrain the connection belt to the grooves It is characterized by.

Here, the length adjusting portion is characterized in that formed in the "E" shape.

In addition, one end portion of the central protrusion may protrude so as to narrow the inlet through which the connecting strip is inserted, so that the connecting strap is constrained in the groove between the first support and the central protrusion and between the central protrusion and the second support. It is characterized in that it is formed to be.

In addition, the buckle has an extension hole having a width wider than the width of the central hole is formed in the central hole of the buckle through which the connecting strip passes and the central hole, the connection portion is formed in the inclined surface of the central hole and the expansion hole It is characterized in that the engaging projection is formed in the corner of the connection portion.

At this time, one end portion of the first support portion and the second support portion is formed to protrude so as to narrow the inlet in which the connecting strip is inserted, between the first support portion and the central projection portion, the groove between the central projection portion and the second support portion It is characterized in that the connecting strip is formed to be restrained.

In addition, the buckle has an expansion hole having a width wider than the width of the central hole is formed in the central hole of the buckle through which the connecting strip passes and the central hole, the connection portion is formed in the inclined surface of the central hole and the expansion hole It is characterized in that the engaging projection is formed in the corner of the connection portion.

In addition, the groove between the first support portion and the central protrusion has a narrow inlet in which the connection strip is inserted, and the other groove of the inlet is rounded to form a wide groove.

Here, the buckle is formed in the central hole of the buckle through which the connecting strip passes and an expansion hole having a width wider than the width of the central hole at both ends of the central hole, the connection portion is formed in the inclined surface of the central hole and the expansion hole It is characterized in that the engaging projection is formed in the corner of the connection portion.

In addition, the groove between the central protrusion and the second support is characterized in that the inlet is narrowly formed in the inlet in which the connecting strip is inserted, the other groove of the inlet is rounded to be formed wide.

As described above, the present invention having the configuration as described above can be applied to a variety of models, the connection band between the side airbag and the buckle can be adjusted in length with fluidity, and the mounting strap connected to the buckle is produced Poor defects can be minimized, and even if the buckle is turned by the force generated during the operation of the side air bag, it is possible to fix the joint so that it does not overlap or be pulled to one side to enable normal operation. This results in shorter working hours and improved productivity.

The present invention can be connected to the connection belt so that the length can be increased or decreased in the buckle fixed to the vehicle of different lengths, so that the side air bag can be mounted on a variety of models, for this purpose two grooves and one Formation of the projections is made to solve the problem by means of connecting the two folds of the connecting strip to the groove portion and the projection on one side.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a view schematically showing a buckle for a vehicle side airbag according to a first embodiment of the present invention. As shown in FIG. 3, a buckle 30 and a connecting strip 40 connected to the buckle are shown in perspective view.

Here, the inner side of the buckle 30 is provided with a buckle hole (H) through which the installation hole 33 to be fixed to the filler 10, and the connecting band 40 connected to the side air bag 20 passes. In order to prevent the buckle hole H from turning, the buckle hole H has an extension hole 32 having a width wider than that of the buckle center hole 31 at both ends of the buckle center hole 31 and the buckle center hole 31. do.

That is, in the buckle 30, as shown in Fig. 3 (a), the mounting hole 33 for fixing the buckle 30 to the vehicle body by bolting to the vehicle frame is formed, the locking portion to help fix the vehicle body 35 and a buckle hole H to which the connecting strip 40 is coupled is provided.

In addition, the banding (Banding, 34) between the portion having the installation hole 33 and the portion having a buckle hole (H) is separated so that there is a step and an angle for easy installation.

In addition, the central hole 31 of the buckle 30 has a rectangular long hole shape, the expansion hole 32 having a width wider than the width of the long hole connected to both ends thereof is formed, and the expansion holes at both ends ( 32) and the connecting portion of the central hole 31 forms an inclined surface.

The two corners parallel to the shape of the above-described central hole 31 restrain the movement of the connecting strip 40 so that the buckle 30 does not rotate before the vehicle is mounted, thereby eliminating the defects during installation.

That is, referring to FIG. 3 (b), the side airbag 20 has a buckle 30 fixed to the vehicle body by a bolt 38 by an instantaneous force of exploding gas during operation of the side airbag 20 in an unexpected situation while driving. Even if pulled to the side, since the connecting strip 40 can maintain the first fitted shape, the connecting strip 40 is not bent or broken to one side.

In addition, when the side airbag 20 is mounted on the vehicle at the production site, the buckle 30 is returned to its original position by checking whether the state of the buckle 30 is good or bad. This is easy.

4 is a view schematically showing an embodiment of a buckle for a vehicle side airbag according to a second embodiment of the present invention. As shown in FIG. 4, the fixing buckle 30 described in this embodiment is similar or identical to the buckle 30 shown in FIG. 3 except for the shape of the buckle hole H. As shown in FIG.

Therefore, the same reference numerals apply to the same components.

The center hole 31 of the buckle 30 and the four engaging jaw (36) protruding in the vicinity of the connection portion of the expansion hole 32 having a width wider than the width of the central hole 31, the connection strip 40 to be caught in the locking step 36 during the flow.

Thus, the connecting strip 40 is not folded to the upper side or the lower side, the flow is reversed or disappears, and is firmly fixed to the buckle 30 is constrained.

5 is a view schematically showing an embodiment of a buckle for a side airbag of a vehicle according to a third embodiment of the present invention. As shown in FIG. 5, the fixing buckle 30 of the vehicle side airbag 20 is similar to or identical to the illustrated buckle 30 of FIG. 3 except for the shape of the buckle hole H.

Therefore, the same reference numerals apply to the same components.

In this embodiment, both side surfaces of the buckle center hole 31 are convexly curved toward the center.

That is, the width narrows toward the center of the buckle central hole 31.

In this embodiment, by installing the buckle 30 made so that the side airbag 20 is properly operated in the event of a side collision of the vehicle by preventing the connection belt 40 connected to the side airbag 20 from being folded or driven downward. It will be able to protect the passengers.

FIG. 6 is a view illustrating a length adjusting unit applied to a buckle for a side airbag of a vehicle according to a fourth exemplary embodiment of the present invention. As shown in FIG. 6, the two-ply connecting strip 40 connects the buckle 30 and the side airbag 20, and at the same time, the buckle 30 and the side airbag through the length adjusting part 39. 20 is formed to adjust the length between.

Reference will be made to FIG. 7 to describe the length adjuster 39 of FIG. 6 in detail. 7 is a cross-sectional view and a plan view of the length adjusting part of FIG. 6. 7A is a plan view of the length adjustment part 39. Referring to FIG. 7 (a), the length adjusting part 39 is formed of an “E” shape consisting of a first support part 39a, a central protrusion part 39b, and a second support part 39c to form a length of the connecting strip 40. It is made to adjust.

Referring to Figure 7 (b), the connecting strip 40 is formed in two layers, one side is connected to the side air bag 20, the connecting band 40 from the side air bag 20 is buckle 30 Passing through the central hole (H), the passed through the connecting strip 40 is fixed to the central projection (39b) of the length adjusting portion (39).

In other words, the connecting strip 40 from the side airbag 20 passes through the lower surface of the second support portion 39c of the length adjusting portion 39 and passes through the lower surface of the second support portion 39c. The band 40 passes through the upper surface of the central protrusion 39b and passes through the lower surface of the first support 39a, which passes through the central hole H of the buckle 30.

Then, the connecting strip 40 passing through the central hole H of the buckle 30 is returned to the first supporting part 39a again, at which time the connecting band 40 that has passed through the lower surface of the first supporting part 39a. Pass the lower surface of the), and then connected to the lower surface of the central projection (39b), but must pass the lower surface of the connecting strip 40 that passed through the lower surface of the central projection (39b).

Therefore, the other side of the connecting strip 40 fixed to the above-described central protrusion 39b surrounds the central protrusion 39b, and the end thereof is fixed by sewing, so that the other side of the connecting strip 40 can be fixed.

That is, the length between the buckle 30 and the side airbag 20 becomes longer as the length adjusting part 39 moves to the buckle 30 side, and as the length adjusting part 39 moves to the side airbag 20 side, the buckle ( The length between 30 and the side airbag 20 is shortened.

FIG. 8 is a diagram illustrating an embodiment of a length adjusting unit of FIG. 6. As shown in FIG. 8, when the first support part 39a, the second support part 39c, and the central protrusion part 39b of the length adjusting part 39 form a perfect straight line, the connecting strip 40 is not connected. It's convenient, but if you're shocked, you can get out of the way.

Therefore, in the present embodiment, the center projection part so that the inlet part between the central projection part 39b and the second support part 39b is also narrowed so that the inlet part entrance between the first support part 39a and the central projection part 39b is narrowed. A projection is formed at the end of 39b to narrow the inlet.

Thus, the center projection 39b further forms a projection in a direction perpendicular to the projection direction, and the connection strip 40 is constrained in the groove between the first support portion 39a and the central projection portion 39b due to the projection. It is formed so that, and the connection band 40 is made to be constrained in the groove between the central projection (39b) and the second support (39c).

9 is a view illustrating another embodiment of the length adjusting unit of FIG. 6. As shown in FIG. 9, when the first support part 39a, the second support part 39c, and the central protrusion part 39b of the length adjusting part 39 form a perfect straight line, the connecting strip 40 is not connected. It's convenient, but if you're shocked, you can get out of the way.

Therefore, in the present embodiment, the groove portion between the central protrusion 39b and the second support portion 39b is also narrowed so that the entrance portion between the first support portion 39a and the central protrusion portion 39b is narrowed. Projections are formed at the ends of the support 39a and the second support 39b to narrow the inlet.

Thus, the first support 39a and the second support 39b further form protrusions in the direction perpendicular to the protruding direction, and the protrusions form grooves between the first support 39a and the central protrusion 39b. The connecting strip 40 is formed to be constrained, and the connecting strip 40 is formed to be constrained in the groove between the central protrusion 39b and the second support 39c.

FIG. 10 is a view illustrating still another embodiment of the length adjusting unit of FIG. 6. As shown in the figure, when the first support portion 39a, the second support portion 39c, and the central projection portion 39b of the length adjustment portion 39 form a perfect straight line, it is convenient to connect the connecting strip 40. However, if you are shocked, you can get out of the way.

Therefore, in another embodiment of the present invention, the recess between the central protrusion 39b and the second support 39b is also narrowed so that the recess of the recess between the first support 39a and the central protrusion 39b is narrowed. To form.

That is, the groove in which the connecting band 40 is constrained gives a rounding, thereby increasing the width of the groove, and conversely, the ends of the first supporting portion 39a, the central protrusion 39b, and the second supporting portion 39b are rounded. It is to form so that the interval of the narrow.

Thus, the connecting strip 40 is made to be constrained in the groove between the central protrusion 39b and the second support 39c.

11 is a view showing a comparison example of the vehicle side airbag buckle and the length adjustment unit applied to the vehicle according to the present invention. FIG. 11 (a) illustrates an example applied to a vehicle model having a relatively long filler, and FIG. 11 (b) illustrates an example applied to a vehicle model having a relatively short filler.

Referring to FIG. 11 (a), the length between the buckle 30 and the side airbag 20 is represented by L1, and in FIG. 11 (b), the length between the buckle 30 and the side airbag 20 is represented by L2. It is.

Here, L1 is larger than L2, and in this case, in FIG. 11A, the length adjusting part 39 is moved toward the buckle 30, and in FIG. 11B, the length adjusting part 39 is a side airbag ( 20) is moved to the side.

The reason is that the length between the buckle 30 and the side airbag 20 becomes longer as the length adjusting part 39 is moved toward the buckle 30, and as the length adjusting part 39 is moved toward the side airbag 20 side. This is because the length between the buckle 30 and the side airbag 20 is shortened.

Therefore, when the buckle 30 and the length adjusting part 39 according to the present invention are provided, the side airbag 20 can be applied to various models using the connecting strip 40.

In the above described exemplary embodiments of the present invention by way of example, the scope of the present invention is not limited only to this specific embodiment, and those skilled in the art within the scope of the claims of the present invention Changes may be made as appropriate.

1 is a front view showing a state in which a general side airbag is mounted on the filler.

Figure 2 (a), (b), (c) is a view showing a buckle according to the prior art.

3 is a view schematically showing a buckle for a vehicle side airbag according to a first embodiment of the present invention.

4 is a view schematically showing an embodiment of a buckle for a vehicle side airbag according to a second embodiment of the present invention.

FIG. 5 schematically illustrates one embodiment of a buckle for a vehicle side airbag according to a third embodiment of the present invention. FIG.

6 is a view showing a length adjustment unit is applied to the buckle for the side airbag of the vehicle according to a fourth embodiment of the present invention.

7 is a cross-sectional view and a plan view of the length adjustment unit of FIG.

8 is a view showing an embodiment of the length adjusting unit of FIG.

9 is a view showing another embodiment of the length adjusting unit of FIG.

FIG. 10 is a view illustrating still another embodiment of the length adjusting unit of FIG. 6. FIG.

11 is a view showing a comparison example of the vehicle side airbag buckle and the length adjustment unit applied to the vehicle according to the present invention.

Claims (11)

In the buckle for the side air bag attached to the car, The buckle includes a length adjusting unit for adjusting the length between the side air bag and the buckle using a connection belt connected to the side air bag, The buckle includes a central hole through which the connecting strip passes, and expansion holes formed at both ends of the central hole to have a width wider than the width of the central hole, and the connection portion between the central hole and the expansion hole is formed of an inclined surface. Buckle for the side airbag of the vehicle, characterized in that the engaging projection is formed in the corner adjacent to the connection portion. The method according to claim 1, The length adjustment unit A first support portion configured to pass the connecting strip connected to the buckle to a lower portion thereof; A central protrusion having one end portion of the connection band passing through the first support part being wrapped and fixed, and passing the connection band upward; A second support part configured to pass and fix the connecting strip having passed through the central protrusion to the bottom thereof so that the other end of the connecting strip is connected to the side air bag; Car side air bag buckle, characterized in that it comprises a. The method according to claim 2, The first support, the central protrusion and the second support are protrudingly formed, and the first support, the central protrusion, and the second support form a recess to constrain the connecting strip to the recess. Buckle for the side airbag of the vehicle, characterized in that formed. The method according to claim 3, Buckle for the side airbag of the vehicle, characterized in that the length adjustment portion is formed in the shape of "E". The method according to any one of claims 2 to 4, One end portion of the central protrusion may protrude so as to narrow the inlet through which the connecting strip is inserted, and the connection band may be constrained in the groove between the first support part and the central protrusion part and between the central protrusion part and the second support part. Buckle for the side airbag of the vehicle, characterized in that formed so that. delete The method according to any one of claims 2 to 4, One end of the first support portion and the second support portion is formed to protrude to narrow the inlet through which the connecting strip is inserted, and is formed in the groove between the first support portion and the central protrusion portion and between the central protrusion portion and the second support portion. Buckle for the side airbag of the vehicle, characterized in that the connection belt is formed to be restrained. delete The method according to any one of claims 2 to 4, The groove between the first support and the central protrusion has a narrow inlet in which the connection strip is inserted, and the other side groove of the inlet is rounded to form a wider buckle. delete The method according to claim 9, The groove between the central protrusion and the second support portion has a narrow inlet in which the connection strip is inserted, and the other side groove of the inlet is rounded to form a wide airbag buckle.

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