WO2012036388A2

WO2012036388A2 - Device for loosening pressure of car seat belt with controllable fastening length

Info

Publication number: WO2012036388A2
Application number: PCT/KR2011/006200
Authority: WO
Inventors: 조찬호
Original assignee: Cho Chan-Ho
Priority date: 2010-09-13
Filing date: 2011-08-23
Publication date: 2012-03-22
Also published as: CN103097204A; KR101280565B1; WO2012036388A3; JP5813770B2; JP2013537135A; KR20120027567A

Abstract

Disclosed is a device for loosening the pressure of a car seat belt with a controllable fastening length. The device for loosening the pressure of a car seat belt with a controllable fastening length, according to the present invention is to prevent a car seat belt from pressing a wearer and includes: a body, which is detachably connected to a vehicle and open at one side, and has rail sections at both sides of the inside of the body thereof; a detachable cover, which is detachably coupled at the open upper side of the body, receives a seat belt together with the body, and has an upper concave and convex portion formed on a surface that comes into contact with the seat belt; a stopper having both ends, which may reciprocate in contact with the rail sections, and lower concave and convex portions formed on the outer surface thereof so as to fasten or release the seat belt by relative movement with respect to the upper concave and convex portion; a rotational connection means rotatively coupled in the center of the stopper; and a guide means having one side, which is rotatively coupled with the rotational connection means, and the other side, which is formed with a guide pin that is protruded downwards, wherein a heart-shaped cam groove is formed on the bottom of the body so that the guide pin is secured to the heart-shaped cam groove and moves in one direction along a heart-shaped path.

Description

Vehicle seat belt compression relief device with adjustable tightening length

The present invention relates to a vehicle seat belt pressure alleviation device capable of adjusting the tightening length, and more particularly, to adjust the tightening length by pulling the seat belt once to relieve pressure on the occupant and to fix the seat belt. The present invention relates to a vehicle seat belt pressure alleviation device having adjustable tightening length.

When driving a vehicle, a seat belt must be worn by law for safety. However, when the vehicle seat belt is normally pulled up and seated in the seat belt buckle before driving, the seat belt is constantly returned to the body of the passenger due to the pulling force of the retractor installed in the vehicle. Compress the occupant's body.

For this reason, there are many cases in which the seat belt is not worn due to the pressure caused by excessive tightening when the seat belt is worn. Many types of fasteners, such as seat belt clips, are used to relieve the pressure caused by fastening when seat belts are worn.In most of these, the seat belts are loosely stretched before driving so that the seat belts are not tightened. It is a device that prevents it from being fixed. After use, the device should be released by unfastening it.

Therefore, it is very inconvenient to stretch the seat belt and fix it again every time. Otherwise, the seat belts are left on the seat after use, which makes them look awkward and hungry.

In addition, there are devices that electrically and electronically block and control the rewinding force of some retractors, but these products are complicated in structure and produce many problems in terms of production cost and efficiency.

Exemplary embodiments of the present invention are designed to solve the above problems, and the tightening of the seat belt can be adjusted and fixed by repeating an operation in which the occupant pulls the seat belt to alleviate the pressure on the occupant of the seat belt. An object of the present invention is to provide a vehicle seat belt pressure alleviation device with adjustable length.

According to an aspect of the present invention, a vehicle seat belt pressure alleviating apparatus for alleviating the vehicle seat belt to press the wearer, the vehicle seat belt detachable, one side is open, the body is formed with rails on both sides; A detachable cover detachably coupled to an open upper side of the body, accommodating a seat belt together with the body, and an upper unevenness formed on a surface contacting the seat belt; A stopper having both ends connected to the rail part to allow reciprocating movement, and a bottom unevenness formed on an outer surface thereof to fix or release the seat belt by relative movement with the upper unevenness; Rotating connection means rotatably coupled to the center of the stopper; And a guide unit having one side rotatably coupled to the rotatable connecting means, and the other side having guide pins protruding downward, wherein the guide pins are seated on the bottom of the body to form a heart shape. Tightening length adjustable vehicle seat belt pressure relief device characterized in that the cam-shaped groove is formed to move only in one direction along the path can be provided.

In addition, the cam groove is connected to the first groove that the guide pin is moved forward to the maximum, the second groove is connected to the first groove and the first step and the guide pin is backward, the second groove and the second step And a third groove in which the guide pin is advanced, and a fourth groove connected to the third groove and the third step and the guide pin is retracted to the maximum, at the point where the first groove and the fourth groove meet. A fourth step may be formed.

According to another aspect of the present invention, a vehicle seat belt pressure alleviating device for reducing the vehicle seat belt to press the wearer, the vehicle seat belt detachable, one side is open, the body is formed on both sides of the rail; A detachable cover detachably coupled to an open upper side of the body, accommodating a seat belt together with the body, and an upper unevenness formed on a surface contacting the seat belt; And both ends are connected to the rail portion can be reciprocated movement, the lower concave-convex is formed on the outer surface can be fixed or released seat belt by the relative movement with the upper concave-convex, the stopper is formed with guide protrusions at both ends; includes It is made, but the both sides of the body is provided with a vehicle seat belt pressure relief device capable of adjusting the tightening length formed with a heart-shaped cam groove to move only one direction along the path of the heart (heart) shape is seated by the guide projections Can be.

The cam groove is connected to the first groove through which the guide pin is maximally advanced, the second groove connected to the first groove and the first step, and the guide pin is backward, and the second groove and the second step. A third groove in which the guide pin is advanced, and a fourth groove connected to the third groove and the third step and the guide pin is maximally reversed, and is formed at a point where the first groove and the fourth groove meet. Four steps may be formed.

In addition, the guide protrusion may be elastically supported by an elastic member inserted into the stopper.

Embodiments of the present invention can not only rewind even if the occupant wears a seat belt, but also can be fixed to a desired tightening length to maintain a loose state, thereby relieving pressure that the occupant receives. Therefore, the sense of refusal to wear the seatbelt of the occupant disappears and it is possible to protect valuable lives from traffic accidents.

In addition, the structure is simple and easy to operate compared to the conventional, it is very easy to maintain, manage, replace.

1 is a perspective view showing a vehicle seat belt pressure relief device capable of adjusting the tightening length according to an embodiment of the present invention.

2 is an exploded perspective view of the present invention shown in FIG.

3 is a plan view showing the shape of the cam groove of the present invention shown in FIG.

4 is a perspective view showing the stopper of the present invention shown in FIG.

Figure 5 is a perspective view of the rotary connecting means and the guide means of the present invention shown in FIG.

Figure 6 is a perspective view showing a vehicle seat belt pressure relief device capable of adjusting the tightening length according to another embodiment of the present invention.

7 is a cross-sectional view showing the stopper structure of the present invention shown in FIG.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention. The following description and the accompanying drawings are presented for the overall understanding of the present invention, and thus the technical scope of the present invention is not limited thereto. And a detailed description of known configurations and functions that may unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a perspective view showing a vehicle seat belt pressure relief device capable of adjusting the tightening length according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the present invention shown in FIG.

Referring to the bar, the present invention is largely configured to include a body 100, a removable cover 200, the stopper 300, the rotary connection means 400, the guide means 500.

First, the body 100 will be described.

As shown in the figure, the body 100 may include an upper case 120, a lower case 140, and a rail unit 160 formed in the lower case 140. The upper case 120 and the lower case 140 may be formed. ) Are coupled to each other to form a space for accommodating the stopper 300, the rotary connection means 400, and the guide means 500.

The lower case 140 may have a flat plate shape and a ring may be formed to be detachably attached to the vehicle at one end. In addition, the upper case 120 may form a substantially rectangular frame shape and may be coupled to an upper side of the lower case 140.

At this time, both sides of the lower case 120 may be provided with a rail 160, the rail 160 is formed in the guide rail 162 of the long and concave groove shape, the lower side of the guide rail 162 Comprised of a rack 164, the stopper 300 to be described later is mounted on the guide rail 162 and the rack 164 to be able to reciprocate.

In addition, a pair of sliding grooves 122 may be formed on both sides of the upper case 120 in parallel.

On the other hand, the body 100 is made of a resin or plastic material and the upper case 120 and the lower case 140 and the rail unit 160 may be integrally molded.

In the present invention, the bottom of the lower case 140 of the body 100 forms a substantially heart-shaped path as shown in FIGS. 2 and 3, and a cam groove in which the guide means 500 may be seated and guided. 180 may be formed.

3 is a plan view showing the shape of the cam groove of the present invention shown in FIG. Here, (a) is a top view and (b) is sectional drawing which unfolds and shows the path | route of a cam groove.

The cam groove 180 is formed by sequentially connecting the first groove 182, the second groove 184, the third groove 186, and the fourth groove 188, respectively, the first step 182 ′, The second step 184 ′, the third step 186 ′, and the fourth step 188 ′ are connected to each other.

That is, the first groove 182 is inclined upward toward one side and the groove is formed, and the first step 182 ′ is formed at the point where the first groove 182 ends, and the first step 182 ′ is formed. The second step 184 ′ is formed at the point where the second groove 184 is formed and the second groove 184 ends at an incline upward from the lower portion.

Similarly, the third groove 186 is formed to be inclined from the lower portion of the second step 184 ', and the third step 186' is formed at the point where the third groove 186 ends, and the third step 186 'is formed. The fourth groove 188 is formed to be inclined at the bottom of the step 186 ′, and the fourth step 188 ′ is formed at the end of the fourth groove 188. It is connected to the first groove 182.

In this case, as shown in FIGS. 3A and 3B, the first grooves 182 and the fourth grooves 188 are relatively long and smoother than the second grooves 184 and the third grooves 186. One slope can be achieved.

The operation of the cam groove 180 and the guide means 500 described above will be described later.

Next, the removable cover 200 will be described with reference to FIGS. 1 and 2.

The detachable cover 200 has a flat plate shape and is detachably coupled to the open upper side of the body 100 to accommodate the seat belt b therein.

The upper concave-convex 220 is formed on the lower surface of the detachable cover 200, that is, the surface in contact with the seat belt b, and the sliding jaw 240 that can be inserted into the sliding groove 122 is formed on both sides. And, one side may be formed with a handle 260 that can be gripped when opening and closing.

The upper concave-convex 220 has a concave-convex shape capable of fixing or releasing the seat belt b together with the stopper 300 to be described later, and preferably has a shape in which the height of the concave-convex is gradually reduced.

Next, the stopper 300 will be described with reference to FIGS. 2 and 4. 4 is a perspective view illustrating the stopper of the present invention shown in FIG. 2.

The stopper 300 may be largely composed of a rotating shaft 320, pinion 340, the lower concave-convex 360, the rotating shaft 320 forms a shaft shape as shown in Figure 4 and the guide rail 162 Guided along the guide rail 162 in a state that both ends are caught on the) is possible to reciprocate.

And pinions 340 are provided at both ends of the rotating shaft 320 so that the stopper 300 can be reciprocated by being guided by the rack 164 and the guide rail 162 by interlocking and rotating on the rack 164. Will be.

In addition, a tooth-shaped lower unevenness 360 may be formed on an outer circumferential surface of the rotation shaft 320 inwardly of the pinion 340, and the lower unevenness 360 has the safety belt b interposed therebetween. It is disposed to face 220 to be able to contact the seat belt (b).

At this time, if the seat belt (b) is in contact with both sides of the lower concave-convex (360) and upper concave-convex (220) at the same time can not be further progressed and fixed, the stopper 300 is moved to the lower concave (360) When the upper unevenness 220 is far away, the seat belt (b) can proceed freely again.

Next, the rotary connection means 400 and the guide means 500 will be described with reference to FIGS. 2 and 5. Figure 5 is a perspective view of the rotary connecting means and the guide means of the present invention shown in FIG.

First, the rotation connecting means 400 is rotatably coupled to the center of the stopper 300 may be coupled to the rotation shaft 320.

As shown in FIG. 5, it may have a cylindrical shape to surround the rotating shaft 320 or an open cylindrical shape and may be hinged to the rotating shaft 320.

The guide means 500 has a shape in which one side is rotatably coupled to the rotation connection means 400 and the other side of the guide pin 520 is formed to protrude downward.

The rotation connecting means 400 and the guide means 500 may be fastened by the fastening pin 420 as shown, but is not limited thereto and may be rotatably coupled in various other ways.

The guide pin 520 may be a rod-shaped protruding downward and is inserted into the cam groove 180 and seated and guided to move the path.

The diameter of the guide pin 520 may be formed smaller than the width of the cam groove 180.

Therefore, since the guide pin 520 is free to move up and down by the rotation connecting means 400, the guide pin 520 is the first, second, third,

fourth groove

182, 184, 1861, 188 And the first, the second, the third, and the fourth step 182 ', 184', 186 ', 188' can actively respond to the movement, and at the same time can be freely moved from side to side by the guide means 500 The direction of the guide pin 520 can be easily changed.

Hereinafter will be described the operation of the embodiment of the present invention described above.

According to the present invention, the seat belt (b) is inserted between the detachable cover 200 and the body 100 to fix the seat belt b, and then the hook 190 may be used at an appropriate position inside the vehicle.

When the seat belt (b) is pulled as necessary to loosen the seat belt (b) that presses the occupant, the seat belt (b) is not restored by the pulling force of the mainspring installed on the retractor of the vehicle. Describe the process of maintenance.

When the seat belt b is fixed by the upper unevenness 220 and the lower unevenness 360, when the seat belt b is slightly pulled out, the pinion 340 rotates along the rack 164 to stop the stopper. 300 advances and the guide pin 520 advances along the first groove 182.

The guide pin 520 descends through the first step 182 'after reaching the maximum, reaches the second groove 184, and descends from the second step 184' while being slightly backward. The pin 520 is caught at the point where the second groove 184 and the third groove 186 meet and stops backward, and stops in a jammed state.

In this state, the occupant can easily adjust the tightening length of the seat belt (b).

When the length of the seat belt (b) is slightly pulled and released, the guide pin 520 moves forward along the third groove 186 and descends when it reaches the third step 186 '. The first groove 188 is placed in the fourth groove 188 and backs along the fourth groove 188, and then descends again from the fourth step 188 ′ to completely retreat from the first groove 182.

Therefore, the seat belt (b) reaches the initial position of the upper unevenness 220 and the lower unevenness 360, that is, facing each other.

Eventually, the seat belt (b) is to be restored by the retractor, so if the seat belt (b) is only slightly restored in the state of tightening length, the seat belt (b) between the upper unevenness 220 and the lower unevenness 360 is fixed. ) Is stopped and no longer restored by mutual friction.

For reference, because of the first, second, third, and fourth step, the guide pin 520 may proceed in only one direction and may not move in the reverse direction.

Through this process, the occupant is able to adjust the tightening state of the seat belt (b) to keep loose by performing the operation of pulling the seat belt (b) slightly.

Second Embodiment

Another embodiment of the present invention will be described with reference to FIGS. 6 and 7.

Figure 6 is a perspective view showing a vehicle seat belt pressure relief device capable of adjusting the tightening length according to another embodiment of the present invention, Figure 7 is a cross-sectional view showing the stopper structure of the present invention shown in FIG.

Another embodiment of the present invention may be largely composed of a body 100, a removable cover 200, the stopper 300, the cam groove 180 is characterized in that formed on both sides of the body (100).

Since the basic configuration is large and similar, a description will be given mainly for the parts different from the first embodiment.

The body may be composed of an upper case 120, a lower case 140, the rail unit 160, the cam groove 180 may be formed on both sides of the upper case of the body 100.

Since the shape and structure of the cam groove 180 is substantially the same as the above-mentioned, detailed description thereof will be omitted. However, as shown in FIG. 6, the cam groove 180 may be formed on both side surfaces of the upper case 120 of the body 100, so that both ends of the stopper 300 to be described later may be inserted.

At this time, the stopper 300 is provided with guide protrusions 380 at both ends as shown in FIG. Thus, the guide protrusion 380 is supported while being inserted into the cam groove 180 and moves in one direction. That is, the guide protrusion 380 may function as the guide pin 520 of the first embodiment.

Preferably, the elastic member 390 may be further provided between the guide protrusion 380 and the stopper 300. The elastic member 390 may be a spring inserted into the stopper 300. The guide protrusion 380 is elastically supported.

This is because the path of the cam groove 180 has a form inclined and jaw as described above, it is necessary to have a structure that the guide protrusion 380 can move in close contact with the path of the cam groove 180. Because.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art, various modifications of the present invention within the scope of the claims without departing from the spirit and scope of the present invention And can be changed.

The present invention relates to a vehicle seat belt pressure alleviation device capable of adjusting the tightening length, and more particularly, to adjust the tightening length by pulling the seat belt once to relieve pressure on the occupant and to fix the seat belt. Available in the field of vehicle seat belt compression relief with adjustable tightening length.

Claims

In the vehicle seat belt compression mitigation device to alleviate the vehicle seat belt to press the wearer,

A body 100 detachable from a vehicle, one side of which is open, and a rail unit 160 formed on both sides thereof;

Removably coupled to the open upper side of the body 100, the body 100 and the seat belt (b) with the upper, and the upper unevenness 220 is formed on the surface in contact with the seat belt (b) Cover 200;

Both ends are connected to the rail unit 160 to reciprocate, and the lower concave-convex 360 is formed on the outer surface to fix or loosen the seat belt b by relative movement with the upper concave-convex 220. Stopper 300;

Rotational connection means 400 rotatably coupled to the center of the stopper 300; And

One side is rotatably coupled with the rotary connection means 400, the other side is guide means 500 is formed with a guide pin 520 protruding downward;

The guide pin 520 is seated at the bottom of the body 100, the tightening length adjustment characterized in that the heart-shaped cam groove 180 is formed to move only in one direction along the path of the heart (heart) shape is formed Possible vehicle seat belt relief.
The method of claim 1,

The cam groove 180 is connected to the first groove 182 where the guide pin 520 is advanced to the maximum, the first groove 182 and the first step 182 ′, and the guide pin 520 is connected to the cam groove 180. A second groove 184 that is retracted, a third groove 186 connected to the second groove 184 and the second step 184 'and the guide pin 520 is advanced, and the third groove ( 186 is connected to the third step 186 'and the guide pin 520 is composed of a fourth groove (188) to the maximum backward, where the first groove 182 and the fourth groove (188) Tightening length adjustable vehicle seat belt pressure relief device characterized in that the fourth step (188 ') is formed at the point.
In the vehicle seat belt compression mitigation device to alleviate the vehicle seat belt to press the wearer,

A body 100 detachable from a vehicle, one side of which is open, and a rail unit 160 formed on both sides thereof;

Removably coupled to the open upper side of the body 100, the body 100 and the seat belt (b) with the upper, and the upper unevenness 220 is formed on the surface in contact with the seat belt (b) Cover 200; And

Both ends are connected to the rail 160, and the reciprocating movement is possible, and the lower concave-convex 360 is formed on the outer surface to fix or release the seat belt (b) by relative movement with the upper concave-convex 220 The stopper 300 is formed at both ends of the guide protrusion 380;

Tightening length adjustment is characterized in that the guide protrusion 380 is seated on both sides of the body 100 has a heart-shaped cam groove 180 to move only in one direction along the path of the heart shape (heart) Possible vehicle seatbelt compression relief.
The method of claim 3, wherein

The cam groove 180 is connected to the first groove 182 where the guide pin 520 is advanced to the maximum, the first groove 182 and the first step 182 ′, and the guide pin 520 is connected to the cam groove 180. A second groove 184 that is retracted, a third groove 186 connected to the second groove 184 and the second step 184 'and the guide pin 520 is advanced, and the third groove ( 186 is connected to the third step 186 'and the guide pin 520 is composed of a fourth groove (188) to the maximum backward, where the first groove 182 and the fourth groove (188) Tightening length adjustable vehicle seat belt pressure relief device characterized in that the fourth step (188 ') is formed at the point.
The method of claim 3, wherein

The guide protrusion (380) is elastically supported by the elastic member 390 is inserted into the stopper 300, characterized in that the elastic seat belt relieving pressure control device capable of adjusting the tightening length.