KR19980031366A - Mounting structure of dynamic damper and leaf spring - Google Patents

Mounting structure of dynamic damper and leaf spring Download PDF

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Publication number
KR19980031366A
KR19980031366A KR1019960050916A KR19960050916A KR19980031366A KR 19980031366 A KR19980031366 A KR 19980031366A KR 1019960050916 A KR1019960050916 A KR 1019960050916A KR 19960050916 A KR19960050916 A KR 19960050916A KR 19980031366 A KR19980031366 A KR 19980031366A
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South Korea
Prior art keywords
clip
flange
dynamic damper
leaf spring
fixed
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KR1019960050916A
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Korean (ko)
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KR100334271B1 (en
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허순
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김영귀
기아자동차 주식회사
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Priority to KR1019960050916A priority Critical patent/KR100334271B1/en
Publication of KR19980031366A publication Critical patent/KR19980031366A/en
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Publication of KR100334271B1 publication Critical patent/KR100334271B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00Springs
    • F16F1/02Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/18Leaf springs
    • F16F1/26Attachments or mountings

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Springs (AREA)

Abstract

본 발명은 다이내믹 댐퍼와 리프스프링의 취부구조에 관한 것으로서, 리프스프링(1)의 저면에 리벳(30)으로 고정된 클립(20)과, 상기 클립(20)의 절곡부(21) 상부 내측에 결합되며, 양측단부에 러버(11)가 형성된 다이내믹 댐퍼(10)에 있어서, 상기 클립(20)의 양측 절곡부(21) 상부 소정부위를 절곡하여 형성된 플랜지(22)와 ; 상기 클립(20)의 플랜지(22)에 대응되는 플랜지 결합부(13)가 하부면에 형성되며, 양측벽 내측면에 다이내믹 댐퍼(10)가 고정된 취부브라켓(12)과 ; 상기 클립(20)의 절곡부(21) 상부면에 형성된 플랜지(22)의 저면에 용착고정된 너트(15)로 구성되어서, 상기 취부브라켓(12)의 플랜지 결합부(13)를 클립(20)의 플랜지(23)에 밀착시킨후, 플랜지(22) 저면의 너트(15)에 볼트(16)를 체결하도록 한 것을 특징으로 한다.The present invention relates to a mounting structure of the dynamic damper and the leaf spring, the clip 20 is fixed to the bottom surface of the leaf spring (1) by rivets (30), the inside of the bent portion 21 of the clip (20) A dynamic damper (10) coupled to each other and having rubbers (11) formed at both ends thereof, the flange (22) formed by bending a predetermined portion of upper portions of both bent portions (21) of the clip (20); A mounting bracket (12) having a flange coupling portion (13) corresponding to the flange (22) of the clip (20) formed on the lower surface and having a dynamic damper (10) fixed to the inner side surfaces of both side walls; It is composed of a nut (15) welded to the bottom of the flange 22 formed on the upper surface of the bent portion 21 of the clip 20, the clip coupling portion 13 of the mounting bracket 12 to the clip (20) After being in close contact with the flange 23 of the c), the bolt 16 is fastened to the nut 15 of the bottom face of the flange 22.

Description

다이내믹 댐퍼와 리프스프링의 취부구조Mounting structure of dynamic damper and leaf spring

본 발명은 다이내믹 댐퍼와 리프스프링의 취부구조에 관한 것으로, 더 상세하게는 자동차 현가장치의 리프스프링에 진동흡수 및 저감용 다이내믹 댐퍼를 견고하게 취부시킴과 동시에 조립성을 향상시키기 위한 다이내믹 댐퍼와 리프스프링의 취부구조에 관한 것이다.The present invention relates to a mounting structure of a dynamic damper and a leaf spring, and more particularly, a dynamic damper and a leaf for firmly attaching a dynamic damper for absorbing and reducing vibration to a leaf spring of a vehicle suspension system and improving assembly performance. It relates to the mounting structure of the spring.

일반적으로 자동차 현가장치의 리프스프링(Life Spring)에 전달되는 진동은 리프스프링에 매스(Mass)를 달아 리프스프링의 고유진동수를 변경시켜 구동계와의 공진을 피하도록 적용하고 있다.In general, the vibration transmitted to the life spring of the vehicle suspension system is applied to the leaf spring by applying a mass to the leaf spring to change the natural frequency of the leaf spring to avoid resonance with the driving system.

그리고 다이내믹 댐퍼(Dynamic Damper)는 진동흡수 및 저감시키는 기구로써 어떤 진동수에서 많이 흔들리는 계통에 스프링과 좁은 댐퍼의 3개가 되는 계통에 설치하여 전체의 진동을 억제시키는 역할을 한다.In addition, the dynamic damper is a mechanism for absorbing and reducing vibration, and is installed in three systems of springs and narrow dampers in a system that shakes a lot at a certain frequency, thereby suppressing overall vibration.

이러한 다이내믹 댐퍼와 리프스프링의 취부구조는 도 4에 도시된 바와같이 리프스프링(1)의 저면에서 상부쪽으로 결합되며 양측으로 절곡부(21)가 형성된 클립(20)과, 상기 클립(20)의 양측 절곡부(21) 상부면에 볼트(2)와 너트(3)로 체결되어 결합되어 양측단부에 러버(11)가 형성된 다이내믹 댐퍼(10)와, 상기 리프스프링(1)과 클립(20)을 고정하는 리벳(30)으로 구성된다.The mounting structure of the dynamic damper and the leaf spring is coupled to the upper side from the bottom of the leaf spring 1 as shown in FIG. 4 and the clip 20 having bent portions 21 formed on both sides thereof, and the clip 20 of the clip 20. A dynamic damper (10) having a rubber (11) formed at both ends and fastened by being fastened by bolts (2) and nuts (3) to upper surfaces of both bent portions (21), the leaf spring (1), and the clip (20). It is composed of a rivet (30) for fixing.

이와같이 구성된 종래 다이내믹 댐퍼와 리프스프링의 취부구조는 리프스프링(1)의 저면으로 클립(20)을 결합한후, 리벳(30)으로 클립(20)과 리프스프링(1)을 고정시킨다.The mounting structure of the conventional dynamic damper and the leaf spring configured as described above couples the clip 20 to the bottom of the leaf spring 1, and then fixes the clip 20 and the leaf spring 1 with the rivet 30.

상기와 같이 리프스프링(1)에 고정된 클립(20)의 절곡부(21) 상부 내측면에 다이내믹 댐퍼(10)의 양측단에 형성된 러버(11)를 밀착시킨후 볼트(2)와 너트(3)를 체결하여 클립(20)에 다이내믹 댐퍼(10)를 취부시킨다.After the rubber 11 formed at both ends of the dynamic damper 10 is brought into close contact with the upper inner surface of the bent portion 21 of the clip 20 fixed to the leaf spring 1 as described above, the bolt 2 and the nut ( 3) to attach the dynamic damper 10 to the clip 20.

전술한 바와같은 다이내믹 댐퍼와 리프스프링의 취부구조는 리프스프링에 고정된 클립의 절곡부 상부면에 다이내믹 댐퍼가 다이내믹 댐퍼의 중앙을 관통하는 볼트와 너트에 의해 횡방향으로 취부됨에 따라 리프스프링에 전달되는 진동을 다이내믹 댐퍼가 효과적으로 저감 및 흡수하지 못하게 된다.The mounting structure of the dynamic damper and the leaf spring as described above is transmitted to the leaf spring as the dynamic damper is mounted transversely by bolts and nuts passing through the center of the dynamic damper on the upper surface of the bent portion of the clip fixed to the leaf spring. The resulting vibrations do not effectively reduce and absorb the dynamic damper.

또한 클립상부면에 다이내믹 댐퍼를 취부시키는 조립작업이 까다롭고 볼트에 체결된 너트가 진동에 의해 자주 이탈되어 클립과 다이내믹 댐퍼의 고정부가 견고하지 못하게 되며 작업성 및 생산성이 저하되는 등의 문제점이 있었다.In addition, the assembly work of mounting the dynamic damper on the upper surface of the clip is difficult, and the nut fastened to the bolt is frequently released by vibration, so that the fixing part of the clip and the dynamic damper is not firm, and workability and productivity are deteriorated. .

따라서 본 발명의 목적은 자동차 현가장치의 리프스프링에 진동흡수 및 저감용 다이내믹 댐퍼를 취부시키기 위한 것으로 다이내믹 댐퍼에 취부브라켓을 형성한후, 상기 취부브라켓을 리프스프링에 고정된 클립에 볼트와 너트로 체결하여 견고한 고정상태를 유지하고 조립을 용이하게 할 수 있도록 한 다이내믹 댐퍼와 리프스프링의 취부구조를 제공하는데 있다.Accordingly, an object of the present invention is to mount a dynamic damper for absorbing vibration and reducing vibration on a leaf spring of a vehicle suspension device, and then attaching the mounting bracket to a clip fixed to the leaf spring with bolts and nuts. It provides a mounting structure of dynamic dampers and leaf springs that can be tightened to maintain a firm fixed state and to facilitate assembly.

도 1은 본 발명의 적용부위를 나타낸 예시도.1 is an exemplary view showing an application of the present invention.

도 2는 본 발명의 분리단면도.Figure 2 is an isolated cross-sectional view of the present invention.

도 3은 본 발명의 결합단면도.Figure 3 is a cross-sectional view of the combination of the present invention.

도 4는 종래의 단면도.4 is a conventional cross-sectional view.

(도면의 주요부분에 대한 부호의 설명)(Explanation of symbols for the main parts of the drawing)

1 ; 리프스프링10 ; 다이내믹 댐퍼One ; Leaf spring 10; Dynamic damper

11 ; 레버12 ; 취부브라켓11; Lever 12; Mounting Bracket

13 ; 플랜지 결합부14 ; 구멍13; Flange coupling 14; hole

15 ; 너트16 ; 볼트15; Nut16; volt

20 ; 클립21 ; 절곡부20; Clip21; Bend

22 ; 플랜지23 ; 결합공22; Flange 23; Joiner

30 ; 리벳30; Rivet

상기와 같은 목적을 달성하기 위한 본 발명의 다이내믹 댐퍼와 리프스프링의 취부구조는 리프스프링(1)의 저면에 리벳(30)으로 고정된 클립(20)과, 상기 클립(20)의 절곡부(21) 상부 내측에 결합되며, 양측단부에 러버(11)가 형성된 다이내믹 댐퍼(10)에 있어서, 상기 클립(20)의 양측 절곡부(21) 상부 소정부위를 절곡하여 형성된 플랜지(22)와 ; 상기 클립(20)의 플랜지(22)에 대응되는 플랜지 결합부(13)가 하부면에 형성되며, 양측벽 내측면에 다이내믹 댐퍼(10)가 고정된 취부브라켓(12)과 ; 상기 클립(20)의 절곡부(21) 상부면에 형성된 플랜지(22)의 저면에 용착고정된 너트(15)로 구성되어서, 상기 취부브라켓(12)의 플랜지 결합부(13)를 클립(20)의 플랜지(22)에 밀착시킨후, 플랜지(22) 저면의 너트(15)에 볼트(16)를 체결하도록 한 것을 특징으로 한다.In order to achieve the above object, the mounting structure of the dynamic damper and the leaf spring of the present invention includes a clip 20 fixed to the bottom surface of the leaf spring 1 with a rivet 30, and a bent portion of the clip 20. 21) a dynamic damper 10 coupled to an upper inner side and having a rubber 11 formed at both ends, the flange 22 formed by bending a predetermined portion of upper portions of both bent portions 21 of the clip 20; A mounting bracket (12) having a flange coupling portion (13) corresponding to the flange (22) of the clip (20) formed on the lower surface and having a dynamic damper (10) fixed to the inner side surfaces of both side walls; It is composed of a nut (15) welded to the bottom of the flange 22 formed on the upper surface of the bent portion 21 of the clip 20, the clip coupling portion 13 of the mounting bracket 12 to the clip (20) It is characterized in that the bolt 16 is fastened to the nut 15 of the bottom surface of the flange 22 after being in close contact with the flange 22 of the.

이하, 본 발명의 실시예를 첨부된 예시도면을 참조하여 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.

도 2에 도시된 바와같이 다이내믹 댐퍼(10) 양측단의 러버(11) 부위가 고정된 취부브라켓(12)의 플랜지 결합부(13)와 상기 플랜지 결합부(13)가 결합되는 플랜지(22)에는 상호 대응되는 구멍(14)과 결합공(23)을 각각 형성한다.As shown in FIG. 2, the flange coupling portion 13 and the flange coupling portion 13 of the mounting bracket 12 to which the rubber 11 portions at both ends of the dynamic damper 10 are fixed are coupled. The hole 14 and the coupling hole 23 corresponding to each other are formed.

상기 구멍(14)과 결합공(23)은 플랜지 결합부(13)와 플랜지(22)의 중앙에 형성한다. 상기 구멍(14)과 결합공(13)에는 볼트(16)가 체결되며 상기 플랜지(22)의 결합공(23) 저면에는 너트(15)를 용착고정하도록 한다.The hole 14 and the coupling hole 23 are formed at the center of the flange coupling portion 13 and the flange 22. A bolt 16 is fastened to the hole 14 and the coupling hole 13, and the nut 15 is welded to the bottom of the coupling hole 23 of the flange 22.

상기와 같은 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention as described above are as follows.

리프스프링(1)의 저면으로 양측에 플랜지(22)가 형성된 클립(20)을 결합한후, 클립(20)의 저면과 리프스프링(1)을 리벳(30)으로 고정시킨다.After coupling the clip 20 having the flanges 22 formed on both sides to the bottom of the leaf spring 1, the bottom surface of the clip 20 and the leaf spring 1 are fixed with the rivet 30.

상기와 같이 리프스프링(1)에 고정된 클립(20)에는 다이내믹 댐퍼(10)가 고정된 취부브라켓(12)이 결합되게 되는데 그 결합은 클립(20)의 상부에 형성된 플랜지(22)에 취부브라켓(12)의 하부에 형성된 플랜지 결합부(13)를 밀착시킨후, 상기 플랜지(22)와 플랜지 결합부(13)에 볼트(16)를 체결된다.As described above, the mounting bracket 12 having the dynamic damper 10 fixed to the clip 20 fixed to the leaf spring 1 is coupled to the flange 22 formed on the upper portion of the clip 20. After the flange coupling portion 13 is formed in close contact with the bracket 12, the bolt 16 is fastened to the flange 22 and the flange coupling portion 13.

이때 볼트(16)는 클립(20)의 플랜지(22) 저면에 용착고정된 너트(15)에 체결되게된다.At this time, the bolt 16 is fastened to the nut 15 welded to the bottom surface of the flange 22 of the clip 20.

이와같은 본 발명은 리프스프링(1)에 리벳(30)으로 고정된 클립(20)과 다이내믹 댐퍼(10)의 결합부가 횡방향에서 종방향으로 이동되고, 결합시 사용되는 볼트가 다이내믹 댐퍼의 양측면에 형성된 취부브라켓(12)의 플랜지 결합부(13)에서 체결되며 상기 볼트(16)가 체결되는 너트(15)가 클립(20) 저면에 용착고정되어 있어 리프스프링의 진동시에도 볼트체결부가 견고한 상태를 유지하게 된다.In the present invention as described above, the coupling portion of the clip 20 and the dynamic damper 10 fixed to the leaf spring 1 with the rivets 30 is moved in the longitudinal direction from the transverse direction, and the bolts used for the coupling are both sides of the dynamic damper. The nut 15, which is fastened at the flange coupling part 13 of the mounting bracket 12 formed in the upper part of the mounting bracket 12, is welded and fixed to the bottom surface of the clip 20 so that the bolt fastening part is firm even when the leaf spring is vibrated. State is maintained.

상기와 같은 본 발명의 다이내믹 댐퍼와 리프스프링의 취부구조는 자동차 현가장치의 리프스프링에 진동흡수 및 저감용 다이내믹 댐퍼를 취부시 리프스프링에 고정된 클립에 취부되는 다이내믹 댐퍼에 별도의 취부브라켓을 고정시킨후 상기 클립과 취부브라켓은 볼트와 너트로 체결하여 고정시키게 되는데, 이때 볼트가 체결되는 너트는 클립의 플랜지 저면에 용착고정되어 리프스프링에 진동이 가해져도 볼트가 체결된 너트가 유동되지 않아 볼트의 체결력이 강화되어 클립과 다이내믹 댐퍼가 견고한 결합상태를 유지하게 된다.The mounting structure of the dynamic damper and the leaf spring of the present invention as described above is fixed to a separate mounting bracket to the dynamic damper that is mounted to the clip fixed to the leaf spring when mounting the dynamic damper for vibration absorption and reduction to the leaf spring of the vehicle suspension system After the clip and the mounting bracket are fastened by bolts and nuts, the nut is fastened to the bottom of the flange of the clip and fixed to the flange bottom of the clip, even though vibration is applied to the leaf spring. The tightening force of the clamp ensures that the clip and dynamic damper remain firmly coupled.

또한 볼트체결시 너트가 고정되어 있어 조립성이 향상됨과 동시에 생산성이 향상되고 리프스프링의 진동을 다이내믹 댐퍼가 효과적으로 흡수 및 저감할 수 있는 효과가 있다.In addition, since the nut is fixed at the time of bolting, the assembly performance is improved, and the productivity is improved, and the vibration of the leaf spring can be effectively absorbed and reduced by the dynamic damper.

Claims (1)

리프스프링(1)의 저면에 리벳(30)으로 고정된 클립(20)과, 상기 클립(20)의 절곡부(21) 상부 내측에 결합되며, 양측단부에 러버(11)가 형성된 다이내믹 댐퍼(10)에 있어서,A dynamic damper having a clip 20 fixed to the bottom surface of the leaf spring 1 by a rivet 30, and a rubber 11 formed at both ends of the clip 20 coupled to the upper inside of the bent portion 21 of the clip 20. 10), 상기 클립(20)의 양측 절곡부(21) 상부 소정부위를 절곡하여 형성된 플랜지(22)와 ; 상기 클립(20)의 플랜지(22)에 대응되는 플랜지 결합부(13)가 하부면에 형성되며, 양측벽 내측면에 다이내믹 댐퍼(10)가 고정된 취부브라켓(12)과 ; 상기 클립(20)의 절곡부(21) 상부면에 형성된 플랜지(22)의 저면에 용착고정된 너트(15)로 구성되어서, 상기 취부브라켓(12)의 플랜지 결합부(13)를 클립(20)의 플랜지(23)에 밀착시킨후, 플랜지(22) 저면의 너트(15)에 볼트(16)를 체결하도록 한 것을 특징으로 하는 다이내믹 댐퍼와 리프스프링의 취부구조.A flange 22 formed by bending predetermined portions of upper portions of both bent portions 21 of the clip 20; A mounting bracket (12) having a flange coupling portion (13) corresponding to the flange (22) of the clip (20) formed on the lower surface and having a dynamic damper (10) fixed to the inner side surfaces of both side walls; It is composed of a nut (15) welded to the bottom of the flange 22 formed on the upper surface of the bent portion 21 of the clip 20, the clip coupling portion 13 of the mounting bracket 12 to the clip (20) And the bolt 16 is fastened to the nut 15 on the bottom surface of the flange 22 after being in close contact with the flange 23 of the flange.
KR1019960050916A 1996-10-31 1996-10-31 Structure for mounting dynamic damper and leaf spring KR100334271B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170050426A (en) * 2015-10-30 2017-05-11 현대자동차주식회사 Apparatus for controlling torsion of leaf spring

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Publication number Priority date Publication date Assignee Title
KR101766091B1 (en) 2015-12-14 2017-08-23 현대자동차주식회사 Suspension System having Pressing Assembly type Mass Damper and Vehicle thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170050426A (en) * 2015-10-30 2017-05-11 현대자동차주식회사 Apparatus for controlling torsion of leaf spring

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