KR100187861B1 - Impact absorbing device composed in buckle for vehicle seat belt - Google Patents

Impact absorbing device composed in buckle for vehicle seat belt Download PDF

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Publication number
KR100187861B1
KR100187861B1 KR1019960057400A KR19960057400A KR100187861B1 KR 100187861 B1 KR100187861 B1 KR 100187861B1 KR 1019960057400 A KR1019960057400 A KR 1019960057400A KR 19960057400 A KR19960057400 A KR 19960057400A KR 100187861 B1 KR100187861 B1 KR 100187861B1
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South Korea
Prior art keywords
seat belt
buckle
fixed
vehicle
tension spring
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KR1019960057400A
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Korean (ko)
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KR19980038489A (en
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박상돈
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류정열
기아자동차주식회사
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Publication of KR19980038489A publication Critical patent/KR19980038489A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/28Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/28Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • B60R2022/281Safety belts or body harnesses in vehicles incorporating energy-absorbing devices for buckles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

본 발명은 자동차 시트벨트의 완충장치에 관한 것으로서, 자동차 시트벨트의 벨트웨빙(21)에 장착된 체결구(24)가 체결·고정되도록 하는 버클(25)과, 이에 연장된 몸체(25a) 및 차체 소정부에 고정되는 브라켓(25b)으로 이루어진 것에 있어서, 상기 브라켓(25b)에 연장된 몸체(25a)와 연결되며 내부에 인장스프링(14)의 일측이 고정된 내측튜브(12); 상기 내측튜브(12)의 외주연에 감싸도록 끼워지며 상기 인장스프링(14)의 타측이 고정되고 상기 버클(25)의 하단과 연결된 외측튜브(11); 상기 외측튜브(11)의 외주에 씌어지는 부트(13)를 포함하여 구성되는 것이다. 따라서 차량의 충돌시 시트벨트의 충격으로 인한 승차원이 상해를 저감시킨다.The present invention relates to a shock absorber of an automobile seat belt, and includes a buckle (25) for fastening and fixing the fastener 24 mounted on the belt webbing 21 of the automobile seat belt, an extended body 25a, and An inner tube (12) having a bracket (25b) fixed to a predetermined portion of the vehicle body and connected to the body (25a) extending to the bracket (25b) and having one side of the tension spring (14) fixed therein; An outer tube 11 inserted to wrap around an outer circumference of the inner tube 12 and fixed to the other side of the tension spring 14 and connected to a lower end of the buckle 25; It is configured to include a boot 13 is written on the outer circumference of the outer tube (11). Therefore, the rise of the seat belt due to the impact of the seat belt during the collision of the vehicle reduces the injury.

Description

자동차 시트벨트의 완충장치Shock absorber of car seat belt

본 발명은 자동차 시트벨트의 완충장치에 관한 것으로서, 특히 차량의 충돌시 승차원의 신체에 전달되는 시트벨트의 충격을 완화하고자 하는 자동차 시트벨트의 완충장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shock absorber of an automobile seat belt, and more particularly, to a shock absorber of an automobile seat belt intended to mitigate an impact of a seat belt transmitted to an ascending body when a vehicle crashes.

일반적으로 차량용 시트벨트(Seat Belt)는 차량에 탑승한 승차원의 신체를 시트에 안전하게 고정하는 것으로, 차량 충돌시 차체에 가해지는 충격력에 의해 발생되는 2차적 유동상태를 저감시켜주는 역할을 한다.In general, a seat belt for a vehicle securely secures a passenger body in a car to a seat, and serves to reduce a secondary flow state generated by an impact force applied to a vehicle body during a vehicle crash.

상기와 같은 시트벨트에 있어서 종래의 구성을 살펴보면, 제4도에 도시한 바와 같이 차체 내부에 고정되며 시트벨트의 벨트웨빙을 풀었을 때 자동적으로 감는 장치인 리트렉터(21; Retractor)로부터 슬립앵커(22)를 경유하여 인출된 벨트웨빙(21; Belt Webbing)과, 이러한 벨트웨빙(23)에 유동가능하게 결합된 체결구(24 ; Tongue Plate), 그리고 이러한 체결구(24)가 체결 고정되는 버클(25)이 몸체(25a)로 연장되어 시트(30) 일측방의 차체 소정부위에 브라켓(25b)으로 설치되어 있다.Looking at the conventional configuration of the seat belt as described above, as shown in Figure 4, the slip anchor from the retractor (21), which is fixed inside the vehicle body and automatically wound when the belt webbing of the seat belt is released Belt webbing (21) pulled out via (22), a fastener (24; Tongue Plate) movably coupled to the belt webbing (23), and the fastener 24 is fastened and fixed The buckle 25 extends to the body 25a and is provided as a bracket 25b at a predetermined portion of the vehicle body on one side of the seat 30.

따라서 이를 사용할 때는 승차원이 착석하고 벨트웨빙(23)을 필요한 길이만큼 당겨 승차원의 신체를 감싸서 체결구(24)를 버클(25)에 체결하게 된다. 그래서 유사시 차량에 충격이 가해졌을 때 승차원의 신체가 유동하는 것을 방지함으로써 승차원의 신체가 차체 등에 충돌하거나 차체로부터 이탈되어 입게되는 상해치를 저감시키도록 하는 것이다.Therefore, when using it, the seat 3 is seated and the belt webbing 23 is pulled by the required length to wrap the body of the seat 3 to fasten the fastener 24 to the buckle 25. Therefore, in case of emergency, the body of the upper dimension is prevented from flowing when an impact is applied to the vehicle so as to reduce the injury value caused by the body of the upper dimension colliding with the body or being separated from the body.

그러나 상기와 같은 종래 시트벨트 구조는 차량의 충돌시 순간적으로 벨트웨빙 리트렉터로부터 인출되는 것을 방지하게 되어 벨트웨빙이 팽팽한 상태를 이루게 되므로, 이러한 벨트웨빙의 차체 승차원의 신체에 직접적으로 전달됨으로 인한 상해를 입을 수 있다는 있다는 문제점이 있었다.However, the seat belt structure as described above prevents the belt webbing from being pulled out from the belt webbing retractor instantaneously when the vehicle collides, so that the belt webbing is in a taut state. There was a problem of being injured.

본 발명은 상기와 같은 문제점을 감안하여 안출한 것으로, 본 발명의 목적은 차량의 충돌시 시트벨트의 벨트웨빙이 유동되는 승차원의 신체에 강하게 접촉됨으로써 발생되는 상해치를 감소시키도록 벨트웨빙의 인장력을 완화하게 하는 자동차 시트벨트의 완충장치를 제공하는 데 있다.The present invention has been made in view of the above problems, and an object of the present invention is to reduce the tension caused by the strong contact of the belt-webbing of the seat belt to the body of the elevated dimension during the collision of the vehicle. To provide a cushioning device for automobile seat belts to alleviate the pressure.

제1도는 본 발명의 적용부 및 설치상태 예시도.1 is an illustration of the application and installation state of the present invention.

제2도는 본 발명의 구성단면도.2 is a cross-sectional view of the configuration of the present invention.

제3도는 제2도의 A-A선 단면도.3 is a cross-sectional view taken along the line A-A of FIG.

제4도는 종래 시트벨트의 구성을 보인 예시도.Figure 4 is an exemplary view showing the configuration of a conventional seat belt.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

11 : 외측튜브 12 : 내측튜브11: outer tube 12: inner tube

13 : 부트 14 : 인장스프링13: boot 14: tension spring

21 : 리트렉터 22 : 슬립앵커21: retractor 22: slip anchor

23 : 벨트웨빙 24 : 체결구23: belt webbing 24: fastener

25 : 버클 25a : 몸체25: buckle 25a: body

25b : 브라켓 30 : 시트25b: Bracket 30: Sheet

상기한 목적을 이루기 위하여 본 발명은 자동차 시트벨트의 벨트웨빙(21)에 장착된 체결구(24)가 체결·고정되도록 하는 버클(25)과, 이에 연장된 몸체(25a) 및 차체 소정부에 고정되는 브라켓(25b)으로 이루어진 것에 있어서,In order to achieve the above object, the present invention provides a buckle 25 for fastening and fixing the fastener 24 mounted on the belt webbing 21 of the automobile seat belt, and the body 25a and the body predetermined portion extending therefrom. In what consists of the bracket 25b fixed,

상기 브라켓(25b)에 연장된 몸체(25a)와 연결되며 내부에 인장스프링(14)의 일측이 고정된 내측튜브(12); 상기 내측튜브(12)의 외주연에 감싸도록 끼워지며 상기 인장스프링(14)의 타측이 고정되고 상기 버클(25)의 하단과 연결된 외측튜브(11); 상기 외측튜브(11)의 외주에 씌어지는 부트(13)를 포함하여 구성되는 것을 특징으로 하는 자동차 시트벨트의 완충장치를 제공한다.An inner tube 12 connected to the body 25a extending to the bracket 25b and having one side of the tension spring 14 fixed therein; An outer tube 11 inserted to wrap around an outer circumference of the inner tube 12 and fixed to the other side of the tension spring 14 and connected to a lower end of the buckle 25; It provides a shock absorber of the vehicle seat belt, characterized in that it comprises a boot (13) is written on the outer periphery of the outer tube (11).

이하 첨부된 예시도면을 참조하여 본 발명의 바람직한 실시예를 보다 상세히 설명하면 다음과 같으며, 종래도면과 동일부위는 동일부호로 표기한다.Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of the present invention in more detail as follows, the same parts as the conventional drawings are denoted by the same reference numerals.

제1도는 본 발명 완충구조를 적용한 상태의 예시도이고, 제2도는 본 발명의 구성을 상세히 나타낸 단면예시도로서, 본 발명은 벨트웨빙(23)의 체결구(24)가 끼워져 취부되는 버클(25)과, 차체에 고정되는 브라켓(25b)사이에 설치도는 완충구조로서, 외측튜브(11)와 내측튜브(12), 그리고 인장스프링(14) 및 부트(13)로 구성된다.1 is an exemplary view of a state in which the present invention buffer structure is applied, and FIG. 2 is a cross-sectional view illustrating the configuration of the present invention in detail, and the present invention provides a buckle in which the fastener 24 of the belt webbing 23 is fitted. The installation diagram between the bracket 25 and the bracket 25b fixed to the vehicle body is a shock absorbing structure, and includes an outer tube 11, an inner tube 12, a tension spring 14, and a boot 13.

상기 내측튜브(12)는 브라켓(25b)과 연장된 몸체(25a)에 일체로 고정되고, 이러한 내측튜브(12)의 내부에 인장스프링(14)이 수용된다. 즉, 도면에서 내측튜브(12)의 하단 내부에 상기 인장스프링(14)의 일단(14a)이 고정된다.The inner tube 12 is integrally fixed to the bracket 25b and the extended body 25a, and the tension spring 14 is accommodated in the inner tube 12. That is, one end 14a of the tension spring 14 is fixed inside the lower end of the inner tube 12 in the drawing.

상기 외측튜브(11)는 상기 내측튜브(12)의 외주면을 감싸듯이 끼워져 있는 형태로서 도면에서 상부측 내부에 상기 인장스프링(14)의 타단(14b)이 고정 설치된다. 또한 이러한 외측튜브(11)의 외부로는 유연성을 가진 주름부재인 부트(13)가 취부된다. 제3도는 제2도의 A-A선 단면도이다.The outer tube 11 is fitted in such a way as to surround the outer circumferential surface of the inner tube 12, and the other end 14b of the tension spring 14 is fixedly installed inside the upper side in the drawing. In addition, the boot 13, which is a crimped member having flexibility, is mounted to the outside of the outer tube 11. 3 is a cross-sectional view taken along the line A-A of FIG.

이상과 같이 형성된 본 발명의 작용을 설명한다. 본 발명은 제1도에 도시한 바와 같이 설치되고, 승차원이 착석하여 벨트웨빙(23)으로 신체를 감싼 후 체결구(24)를 버클(25)에 끼워 고정하게 되는 것은 일반적인 사용상태와 동일하다.The operation of the present invention formed as described above will be described. The present invention is installed as shown in Figure 1, the seating dimensions are seated and wrapped around the body with a belt webbing 23 to fasten the fastener 24 to the buckle 25 is the same as the general use state Do.

차량의 주행중 충돌이 발생하면 벨트웨빙(23)의 인장상태가 순간적으로 고정되는 바, 이때 벨트웨빙(23)에 전해지는 인장력으로 인하여 이와 체결된 버클(25)에도 인장력이 작용하게 된다. 이러한 인장력은 배부의 인장스프링(14)을 당기게 되며 상기 인장스프링(14)의 인장력과 상기 외측튜브(11) 및 내측튜브(12)의 압착력으로 인하여 벨트웨빙(23)이 당겨지는 인장력과 역방향으로 당겨지는 힘이 상충하여 완충효과를 내게 된다.When a collision occurs while the vehicle is running, the tension state of the belt webbing 23 is momentarily fixed. At this time, the tension force also acts on the buckle 25 coupled thereto due to the tensile force transmitted to the belt webbing 23. This pulling force pulls the tension spring 14 of the back and in the opposite direction of the pulling force of the belt webbing 23 due to the pulling force of the tension spring 14 and the compressive force of the outer tube 11 and the inner tube 12. The pulled forces are conflicting, creating a cushioning effect.

이상과 같이 본 발명은 차량의 충돌 등 충격시에 시트벨트의 벨트웨빙과 직접 맞닿은 승차원의 신체에 가해지는 충격을 완화하도록 하므로 승차원의 상해치를 감소시키게 되어 차량의 안전성이 향상되며, 이로 인하여 차량의 상품성 향상의 효과가 있다.As described above, the present invention is to reduce the impact on the passenger body in direct contact with the belt webbing of the seat belt in the event of a collision, such as a collision of the vehicle, thereby reducing the injury value of the passenger dimension, thereby improving the safety of the vehicle. There is an effect of improving the merchandise of the vehicle.

Claims (1)

자동차 시트벨트의 벨트웨빙(23)에 장착된 체결구(24)가 체결·고정되도록 하는 버클(25)과, 이에 연장된 몸체(25a) 및 자체 소정부에 고정도는 브라켓(25b)으로 이루어진 것에 있어서, 상기 브라켓(25b)에 연장된 몸체(25a)와 연결되며 내부에 인장스프링(14)의 일측이 고정된 내측튜브(12); 상기 내측튜브(12)의 외주연에 감싸도록 끼워지며 상기 인장스프링(14)의 타측이 고정되고 상기 버클(25)의 하단과 연결된 외측튜브(11); 상기 외측튜브(11)의 외주에 씌어지는 부트(13)를 포함하여 구성되는 것을 특징으로 하는 자동차 시트벨트의 완충장치.Buckle 25 for fastening and fastening the fastener 24 mounted on the belt webbing 23 of the seat belt of the vehicle, and the body 25a and the fixed portion to its own predetermined precision to the bracket 25b The inner tube 12 is connected to the body 25a extending to the bracket 25b and fixed to one side of the tension spring 14 therein; An outer tube 11 inserted to wrap around an outer circumference of the inner tube 12 and fixed to the other side of the tension spring 14 and connected to a lower end of the buckle 25; The shock absorber of the vehicle seat belt, characterized in that it comprises a boot (13) is written on the outer circumference of the outer tube (11).
KR1019960057400A 1996-11-26 1996-11-26 Impact absorbing device composed in buckle for vehicle seat belt KR100187861B1 (en)

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Publication number Priority date Publication date Assignee Title
CN107672554A (en) * 2017-10-30 2018-02-09 梧州学院 A kind of double-deck stepwise gradient energy absorption device
CN107672554B (en) * 2017-10-30 2023-06-27 梧州学院 Double-layer graded gradient energy absorbing device

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