WO2017082497A1 - Vehicle suspension spring pad - Google Patents

Vehicle suspension spring pad Download PDF

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Publication number
WO2017082497A1
WO2017082497A1 PCT/KR2016/004480 KR2016004480W WO2017082497A1 WO 2017082497 A1 WO2017082497 A1 WO 2017082497A1 KR 2016004480 W KR2016004480 W KR 2016004480W WO 2017082497 A1 WO2017082497 A1 WO 2017082497A1
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WO
WIPO (PCT)
Prior art keywords
spring
spring pad
pad
coil spring
vehicle suspension
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PCT/KR2016/004480
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French (fr)
Korean (ko)
Inventor
김성술
장병구
김동의
김형준
Original Assignee
주식회사 디엠씨
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Publication of WO2017082497A1 publication Critical patent/WO2017082497A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/14—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only
    • B60G11/16—Resilient suspensions characterised by arrangement, location or kind of springs having helical, spiral or coil springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/71—Light weight materials
    • B60G2206/7104—Thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B60G2206/73—Rubber; Elastomers

Definitions

  • the present invention relates to a spring pad for an automobile suspension, and more particularly, between a pad provided on an outer circumferential surface of a shock absorber cylinder for an automobile suspension and an upper pad and an upper pad provided at an upper end of a rod of the shock absorber.
  • the present invention relates to a spring pad for a vehicle suspension formed of a thermoplastic elastomer material interposed between a lower end of a coil spring and a lower seat interposed therebetween to protect upper and lower ends of the coil spring.
  • the vehicle suspension system is connected to the axle and the body to mitigate vibrations or shocks received from the road surface while the vehicle is transferred to the body so that the ride comfort is improved to prevent damage to the body and cargo with water.
  • the vehicle suspension device is installed in the shock absorber (Shock absorber) cylinder, the lower pad and the upper pad spaced apart from each other, a coil spring is installed between the lower seat and the upper pad, between the coil spring and the lower pad, between the coil spring and the upper pad Spring pads 10 are installed between the pads, respectively.
  • shock absorber shock absorber
  • the spring pad 10 prevents direct contact between the coil spring and the Roy seat, the coil spring, and the upper pad, thereby providing a function of absorbing shock and preventing damage to the coil spring, the lower seat, and the upper pad.
  • the conventional spring pad 10 structure is made of natural rubber and synthetic rubber or a combination thereof.
  • Such a rubber material is obtained by intermolecular bonding through a Vulcanization process at high temperature and high pressure due to thermosetting.
  • Rubber is manufactured by mixing a plasticizer with an appropriate amount of filler and reinforcement in the form of powder, mixing vulcanizing aids, softeners and various additives, so it is not environmentally friendly due to dust in the manufacturing process and has a specific gravity of 1.15 to 1.3. have.
  • the rubber spring pad is required to be rigid against the force transmitted by vibration or shock, and the steel 20 is inserted to satisfy the rigidity (Steel insert) to complete the part.
  • the present invention has been made to solve the problems of the prior art as described above, the present invention is to replace the material of the spring pad with a thermoplastic elastomer having a rigid and elastic so as not to insert a steel core (product)
  • An object of the present invention is to provide a spring pad for automobile suspension which has improved quality by reducing weight and improving durability.
  • the present invention provides a spring pad for a vehicle suspension device which is interposed between a coil spring used in a vehicle suspension device and upper and lower pads supporting the coil spring, wherein the spring pad is the coil spring.
  • a protruding portion having a catching end portion formed to catch an end of the spring, a spring seating portion formed at one end of the hooking end gradually increasing in a spiral structure to support the bottom of the coil spring, and the other end of the spring seating portion
  • Steel inserts are not made A spring pad for automobile suspension according to Gong, is provided.
  • thermoplastic elastomer is provided with a spring pad for a vehicle suspension, characterized in that any one of an olefin thermoplastic elastomer (TPO) or a polyester thermoplastic elastomer (TPEE).
  • TPO olefin thermoplastic elastomer
  • TPEE polyester thermoplastic elastomer
  • the structure is provided with elasticity and rigidity on the bottom surface of the spring pad is provided with a spring pad for the vehicle suspension, characterized in that a plurality of perforations are formed by crossing the rib (Rib) horizontally and vertically.
  • the side of the spring pad is provided with a spring pad for the vehicle suspension, characterized in that it comprises a side elastic portion is provided with a groove for preventing shrinkage is given elasticity.
  • an inner support jaw supporting the inner side of the coil spring and an outer support portion supporting the outer side of the coil spring are formed at an inner side of the spring seating portion, and a spring pad for an automobile suspension is provided.
  • the upper portion of the inner support jaw is provided with a spring pad for a vehicle suspension characterized in that the fixing jaw is formed for fixing so that the coil spring does not escape to the upper portion of the spring seat.
  • the upper surface of the protruding portion is provided with a spring pad for the vehicle suspension, characterized in that the embossed surface is formed to prevent slipping by reducing the friction while widening the contact area with the coil spring, to prevent the friction joint. do.
  • a spring pad for a vehicle suspension characterized in that the inner circumferential edge of the discharge portion is formed higher than the outer circumference to be inclined.
  • the bottom surface of the spring pad includes a fixing protrusion protruding one or more protruding to be attached to the lower pad
  • the fixing protrusion is an automobile suspension characterized in that the injection molding or separately assembled integrally to the bottom surface of the spring pad Spring pad for the device.
  • the present invention constructed and operated as described above does not need to insert steel (Steel insert), can significantly reduce the thickness can provide a lightweight spring pad.
  • FIG. 1 is a perspective view of a conventional spring pad.
  • FIG. 2 is a perspective view of a spring pad for a vehicle suspension according to the present invention.
  • FIG 3 is a bottom view of a spring pad for a vehicle suspension according to the present invention.
  • FIG. 4 is a front view of a spring pad for a vehicle suspension according to the present invention.
  • FIG. 2 is a perspective view of a spring pad for a vehicle suspension according to the present invention.
  • 3 is a bottom view of a spring pad for a vehicle suspension according to the present invention.
  • 4 is a front view of a spring pad for a vehicle suspension according to the present invention.
  • the spring pad 100 includes a protrusion 110 in which a locking end 111 is formed to catch an end of a coil spring (not shown), and the protrusion ( On the upper surface of the 110 is formed embossed portion 112 is processed.
  • the embossing part 112 may reduce the frictional force while widening the contact area with the coil spring to prevent slippage, to prevent frictional joints, and to prevent breakage of the spring pad 100 and the coil spring due to impact. Can be.
  • a spring seating part 120 having one end portion formed in a spiral structure starting from the lower end 111a of the locking end portion 111 is formed.
  • An inner support jaw 121 for supporting the inner side of the coil spring and an outer support 122 for supporting the outer side of the coil spring are formed inside the spring seating part 120.
  • a fixing latching jaw 123 for fixing the coil spring so as not to escape to the upper portion of the spring seating portion 120 is formed on the upper portion of the inner support jaw 121 to fix the coil spring.
  • a discharge part 130 is formed between the other end of the spring seating part 120 and the protrusion 110 to discharge foreign matter, and an inner circumference 130a of the discharge part 130 is an outer circumference 130b. It is formed higher than) to form an inclined structure.
  • Rib (141) on the bottom surface of the spring pad 100 is provided with a plurality of perforations 140 alternately horizontally and vertically formed elasticity and rigidity is prevented, shrinkage is prevented, durability is improved .
  • the side portion of the spring pad 100 is formed with a groove 151 for preventing shrinkage is formed side elastic portion 150 is given elasticity.
  • One or more fixing protrusions 142 protrude from the bottom surface of the spring pad 100 to be attached to the lower pad.
  • the fixing protrusion 142 may be integrally injection molded or separately assembled to the bottom surface of the spring pad.
  • the spring pad 100 is made of a thermoplastic elastomer, and the thermoplastic elastomer is preferably an olefinic thermoplastic elastomer (TPO) and a polyester thermoplastic elastomer (TPEE).
  • TPO olefinic thermoplastic elastomer
  • TPEE polyester thermoplastic elastomer
  • Thermoplastic elastomers exhibit the properties of rubber at room temperature and thermoplastics at high temperatures, and are polymer materials that can be molded by simple processing.
  • the molding time is shortened to improve the productivity, it is possible to reuse the defective products generated in the manufacturing process is an environmentally friendly material that reduces waste.
  • the steel core (Steel core) 20 is unnecessary, the weight can be reduced to provide a lightweight spring pad, thereby reducing the weight of the vehicle and improving fuel efficiency.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Abstract

In order to achieve the objective, the present invention provides a vehicle suspension spring pad interposed between a coil spring to be used for the vehicle suspension and upper and lower pads for supporting the coil spring, manufactured from thermoplastic elastomer, and further having a structure, for applying elasticity and rigidity, formed at the bottom surface thereof and a structure, for applying elasticity, formed at the lateral part thereof such that steel insertion does not need to be separately performed, and thus the spring pad is lightweight. The present invention, configured and operated as above, does not require steel to be inserted thereinto, and can remarkably reduce the thickness thereof, thereby enabling the lightweight spring pad to be provided. In addition, durability is improved by the structures for applying elasticity and rigidity to the bottom surface and lateral surface of the spring pad according to the present invention, defective products, which are generated during a manufacturing process, are crushed and can be reused because of thermoplasticity such that waste materials are reduced, and thus the present invention is environment-friendly, and molding time is shortened such that productivity is improved.

Description

자동차 현가장치용 스프링 패드Spring pad for vehicle suspension
본 발명은 자동차 현가장치용 스프링 패드에 관한 것으로, 보다 상세하게는 자동차 현가장치용 쇽업소버(Shock absorber) 실린더의 외주면에 설치된 패드와 상기 쇽업소버의 로드 상부 끝단부에 설치된 어퍼패드와 어퍼패드 사이에 개재된 코일 스프링의 하단부와 로어시트 사이에 개재되어 상기 코일 스프링의 상, 하단부를 보호하는 열가소성 엘라스토머(Thermoplastic elastomer) 재질로 형성된 자동차 현가장치용 스프링 패드에 관한 것이다. The present invention relates to a spring pad for an automobile suspension, and more particularly, between a pad provided on an outer circumferential surface of a shock absorber cylinder for an automobile suspension and an upper pad and an upper pad provided at an upper end of a rod of the shock absorber. The present invention relates to a spring pad for a vehicle suspension formed of a thermoplastic elastomer material interposed between a lower end of a coil spring and a lower seat interposed therebetween to protect upper and lower ends of the coil spring.
일반적으로 자동차 현가장치는 차축과 차체를 연결하여 주행 중에 차축이 노면으로부터 받는 진동이나 충격을 완화하여 차체에 전달하도록 하여 승차감의 향상은 물로 차체와 화물의 손상을 방지하기 위한 장치이다. In general, the vehicle suspension system is connected to the axle and the body to mitigate vibrations or shocks received from the road surface while the vehicle is transferred to the body so that the ride comfort is improved to prevent damage to the body and cargo with water.
상기 자동차 현가장치는 쇽업소버(Shock absorber) 실린더에 로어패드와 어퍼패드가 상호 이격되게 설치되고, 상기 로어시트와 어퍼패드 사이에 코일 스프링이 설치되며, 코일 스프링과 로어패드 사이, 코일 스프링과 어퍼패드 사이에 각각 스프링 패드(10)가 설치된다. The vehicle suspension device is installed in the shock absorber (Shock absorber) cylinder, the lower pad and the upper pad spaced apart from each other, a coil spring is installed between the lower seat and the upper pad, between the coil spring and the lower pad, between the coil spring and the upper pad Spring pads 10 are installed between the pads, respectively.
여기서 상기 스프링 패드(10)는 코일 스프링과 로이시트, 코일 스프링과 어퍼패드의 직접적인 접촉을 방지함으로써, 충격을 흡수하고 코일 스프링과 로어시트 및 어퍼패드의 손상을 방지하는 기능을 제공하게 된다. Here, the spring pad 10 prevents direct contact between the coil spring and the Roy seat, the coil spring, and the upper pad, thereby providing a function of absorbing shock and preventing damage to the coil spring, the lower seat, and the upper pad.
이러한 스프링 패드(10)를 제작함에 있어서, 종래의 스프링 패드(10) 구조는 천연고무와 합성고무 또는 이들의 조합으로 만들어진다. In manufacturing the spring pad 10, the conventional spring pad 10 structure is made of natural rubber and synthetic rubber or a combination thereof.
상기와 같은 고무재료는 열경화성으로 고온고압에서 강화(Vulcanization)공정을 걸쳐 분자간 결합을 이룸으로써 얻어진다. Such a rubber material is obtained by intermolecular bonding through a Vulcanization process at high temperature and high pressure due to thermosetting.
고무는 원료에 분말형태의 충진제, 보강재 등을 적당량 넣고 가소제를 혼합하고 가류 조제와 연화제 및 각종첨가물을 혼합하여 제조하기 때문에 제조과정에서 분진 등으로 인하여 친환경적이지 못하고 비중 또한 1.15~1.3 정도로 무거운 단점이 있다. Rubber is manufactured by mixing a plasticizer with an appropriate amount of filler and reinforcement in the form of powder, mixing vulcanizing aids, softeners and various additives, so it is not environmentally friendly due to dust in the manufacturing process and has a specific gravity of 1.15 to 1.3. have.
또한, 고무재질의 스프링 패드에는 진동이나 충격에 의해 전달되는 힘에 대항하기 위한 강성이 요구되며, 상기 강성을 충족시키기 위해서 강재(20)를 삽입하여(Steel insert) 부품이 완성된다. In addition, the rubber spring pad is required to be rigid against the force transmitted by vibration or shock, and the steel 20 is inserted to satisfy the rigidity (Steel insert) to complete the part.
이로 인해 고무(Rubber)와 강재(Steel))가 결합되어 무게가 무겁고 재활용 및 재생이 불가능하여 환경오염의 주요 원인이 되며 폐기물 처리에 막대한 비용이 발생한다. Due to this, rubber and steel are combined, which is heavy and is impossible to recycle and regenerate, which is a major cause of environmental pollution and incurs huge costs for waste disposal.
또한, 제조공정 중 고무 가류공정에서 고에너지 사용 및 배기가스 배출 발생과 가류 성형에 많은 시간이 필요한 단점이 있다.In addition, in the rubber vulcanization process of the manufacturing process there is a disadvantage that requires a large amount of time for high energy use and exhaust gas generation and vulcanization molding.
따라서 본 발명은 전술한 바와 같은 종래기술의 문제점을 해결하기 위해 안출된 것으로, 본 발명은 강재(Steel core)를 삽입할 필요가 없도록 스프링 패드의 재질을 강성 및 탄성을 가지는 열가소성 엘라스토머로 대체하여 제품 중량을 줄이고, 내구성을 개선하여 품질이 향상된 자동차 현가장치용 스프링 패드를 제공하고자 하는데 그 목적이 있다.Therefore, the present invention has been made to solve the problems of the prior art as described above, the present invention is to replace the material of the spring pad with a thermoplastic elastomer having a rigid and elastic so as not to insert a steel core (product) An object of the present invention is to provide a spring pad for automobile suspension which has improved quality by reducing weight and improving durability.
상기와 같은 목적을 달성하기 위한 본 발명은 자동차 현가장치에 사용되는 코일 스프링과 상기 코일 스프링을 지지하는 상부 및 하부패드 사이에 개재되는 자동차 현가장치용 스프링 패드에 있어서, 상기 스프링 패드는 상기 코일 스프링의 끝단부가 걸리도록 걸림단부가 형성되는 돌출부와, 상기 코일 스프링의 저면을 지지하기 위해 일단부가 상기 걸림단부 하단에서 시작하여 나선형의 구조로 점차 높아지게 형성되는 스프링 안착부와, 상기 스프링 안착부의 타단부와 상기 돌출부 사이에 이물질 배출을 위해 형성되는 배출부를 포함하고, 열가소성 엘라스토머(Thermoplastic elastomer)로 제작되되, 바닥면에는 탄성과 강성이 부여되는 구조와, 측부에는 탄성을 부여하는 구조가 더 형성되어 별도의 강재 삽입(Steel insert)이 이루어지지 않아 경량화된 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다.In order to achieve the above object, the present invention provides a spring pad for a vehicle suspension device which is interposed between a coil spring used in a vehicle suspension device and upper and lower pads supporting the coil spring, wherein the spring pad is the coil spring. A protruding portion having a catching end portion formed to catch an end of the spring, a spring seating portion formed at one end of the hooking end gradually increasing in a spiral structure to support the bottom of the coil spring, and the other end of the spring seating portion And a discharge part formed for discharging foreign matter between the protrusions and made of a thermoplastic elastomer, the bottom surface of which is provided with elasticity and rigidity, and the side portion further provides elasticity. Steel inserts are not made A spring pad for automobile suspension according to Gong, is provided.
또한, 상기 열가소성 엘라스토머는 올레핀계 열가소선 엘라스토머(TPO) 또는 폴리에스테르계 열가소성 엘라스토머(TPEE) 중 어느 하나인 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다. In addition, the thermoplastic elastomer is provided with a spring pad for a vehicle suspension, characterized in that any one of an olefin thermoplastic elastomer (TPO) or a polyester thermoplastic elastomer (TPEE).
또한, 상기 스프링 패드의 바닥면에 탄성과 강성이 부여되는 구조는 리브(Rib)가 가로, 세로로 엇갈려 다수개의 천공이 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다. In addition, the structure is provided with elasticity and rigidity on the bottom surface of the spring pad is provided with a spring pad for the vehicle suspension, characterized in that a plurality of perforations are formed by crossing the rib (Rib) horizontally and vertically.
또한, 상기 스프링 패드의 측부에는 수축 방지를 위한 홈이 형성되어 탄성이 부여되는 측부 탄성부를 포함하는 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다.In addition, the side of the spring pad is provided with a spring pad for the vehicle suspension, characterized in that it comprises a side elastic portion is provided with a groove for preventing shrinkage is given elasticity.
또한, 상기 스프링 안착부의 내측에는 상기 코일 스프링의 내측을 지지하는 안쪽 지지턱과, 외측에는 상기 코일 스프링의 외측을 지지하는 외측 지지부가 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다. In addition, an inner support jaw supporting the inner side of the coil spring and an outer support portion supporting the outer side of the coil spring are formed at an inner side of the spring seating portion, and a spring pad for an automobile suspension is provided.
또한, 상기 안쪽 지지턱의 상부에는 상기 코일 스프링이 상기 스프링 안착부의 상부로 빠져나오지 않도록 고정하기 위한 고정 걸림턱이 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다.In addition, the upper portion of the inner support jaw is provided with a spring pad for a vehicle suspension characterized in that the fixing jaw is formed for fixing so that the coil spring does not escape to the upper portion of the spring seat.
또한, 상기 돌출부의 상부면에는 상기 코일 스프링과 접촉면적을 넓히면서 마찰력을 감소시켜 미끄럼을 방지하고, 마찰 이음을 방지하기 위해 요철 처리된 엠보부가 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다. In addition, the upper surface of the protruding portion is provided with a spring pad for the vehicle suspension, characterized in that the embossed surface is formed to prevent slipping by reducing the friction while widening the contact area with the coil spring, to prevent the friction joint. do.
또한, 상기 배출부의 내주연이 외주연보다 높게 형성되어 경사진 구조로 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드가 제공된다. In addition, there is provided a spring pad for a vehicle suspension, characterized in that the inner circumferential edge of the discharge portion is formed higher than the outer circumference to be inclined.
또한, 상기 스프링 패드의 바닥면에는 상기 하부 패드에 부착되도록 하나 이상 돌출 형성된 고정 돌기를 포함하고, 상기 고정 돌기는 상기 스프링 패드의 바닥면에 일체로 사출성형 되거나 분리 조립되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드. In addition, the bottom surface of the spring pad includes a fixing protrusion protruding one or more protruding to be attached to the lower pad, the fixing protrusion is an automobile suspension characterized in that the injection molding or separately assembled integrally to the bottom surface of the spring pad Spring pad for the device.
상기와 같이 구성되고 작용되는 본 발명은 강재를 삽입(Steel insert)할 필요가 없고, 두께를 현저히 줄일 수 있어 경량화된 스프링 패드를 제공할 수 있다. The present invention constructed and operated as described above does not need to insert steel (Steel insert), can significantly reduce the thickness can provide a lightweight spring pad.
또한, 본 발명에 따른 스프링 패드의 바닥면과 측면에 탄성과 강성이 부여되는 구조에 의해 내구성이 향상되며, 열가소성으로 제조과정에서 발생하는 불량품을 분쇄하여 재사용할 수 있어 폐기물이 줄어 친환경적이며, 성형시간이 단축되어 생산성이 향상되는 효과가 있다. In addition, durability is improved by a structure that is provided with elasticity and rigidity on the bottom and side surfaces of the spring pad according to the present invention. The time is shortened and the productivity is improved.
도 1은 종래의 스프링 패드에 따른 사시도이다. 1 is a perspective view of a conventional spring pad.
도 2는 본 발명에 따른 자동차 현가장치용 스프링 패드의 사시도이다. 2 is a perspective view of a spring pad for a vehicle suspension according to the present invention.
도 3은 본 발명에 따른 자동차 현가장치용 스프링 패드의 저면도이다.3 is a bottom view of a spring pad for a vehicle suspension according to the present invention.
도 4는 본 발명에 따른 자동차 현가장치용 스프링 패드의 정면도이다.4 is a front view of a spring pad for a vehicle suspension according to the present invention.
본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시예들을 참조하면 명확해질 것이다. 그러나 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 단지 본 실시예들은 본 발명의 개시가 완전하도록 하고, 본 발명이 속하는 기술분야에서 통상의 지식을 가진자에게 발명의 범주를 완전하게 알려주기 위해 제공되는 것이며, 본 발명은 청구항의 범주에 의해 정의될 뿐이다. 명세서 전체에 걸쳐 동일 참조 부호는 동일 구성 요소를 지칭한다.Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, the invention is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.
이하, 본 발명의 실시예들에 의하여 본 발명에 따른 자동차 현가장치용 스프링 패드를 설명하기 위한 도면들을 참고하여 본 발명에 대해 상세히 설명하도록 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the drawings for describing a spring pad for a vehicle suspension apparatus according to the present invention.
도 2는 본 발명에 따른 자동차 현가장치용 스프링 패드의 사시도이다. 도 3은 본 발명에 따른 자동차 현가장치용 스프링 패드의 저면도이다. 도 4는 본 발명에 따른 자동차 현가장치용 스프링 패드의 정면도이다. 2 is a perspective view of a spring pad for a vehicle suspension according to the present invention. 3 is a bottom view of a spring pad for a vehicle suspension according to the present invention. 4 is a front view of a spring pad for a vehicle suspension according to the present invention.
본 발명에 따른 스프링 패드(100)는, 도 2 내지 도 4에 도시된 바와 같이, 코일 스프링(미도시)의 끝단부가 걸리도록 걸림단부(111)가 형성되는 돌출부(110)와, 상기 돌출부(110)의 상부면에는 요철 처리된 엠보부(112)가 형성된다. As illustrated in FIGS. 2 to 4, the spring pad 100 according to the present invention includes a protrusion 110 in which a locking end 111 is formed to catch an end of a coil spring (not shown), and the protrusion ( On the upper surface of the 110 is formed embossed portion 112 is processed.
상기 엠보부(112)는 코일 스프링과 접촉면적을 넓히면서 마찰력을 감소시켜 미끄럼을 방지하고, 마찰 이음을 방지하며, 쿠션 작용을 하기 때문에 충격에 의한 스프링 패드(100)와 코일 스프링의 파손을 방지할 수 있다. The embossing part 112 may reduce the frictional force while widening the contact area with the coil spring to prevent slippage, to prevent frictional joints, and to prevent breakage of the spring pad 100 and the coil spring due to impact. Can be.
상기 코일 스프링의 저면을 지지하기 위해 일단부가 상기 걸림단부(111) 하단(111a)에서 시작하여 나선형의 구조로 점차 높아지게 형성되는 스프링 안착부(120)가 형성된다. In order to support the bottom surface of the coil spring, a spring seating part 120 having one end portion formed in a spiral structure starting from the lower end 111a of the locking end portion 111 is formed.
상기 스프링 안착부(120)의 내측에는 코일 스프링의 내측을 지지하는 안쪽 지지턱(121)과, 외측에는 코일 스프링의 외측을 지지하는 외측 지지부(122)가 형성된다. An inner support jaw 121 for supporting the inner side of the coil spring and an outer support 122 for supporting the outer side of the coil spring are formed inside the spring seating part 120.
또한, 상기 안쪽 지지턱(121)의 상부에는 코일 스프링이 상기 스프링 안착부(120)의 상부로 빠져나오지 않도록 고정하기 위한 고정 걸림턱(123)이 형성되어 코일 스프링이 고정되도록 한다. In addition, a fixing latching jaw 123 for fixing the coil spring so as not to escape to the upper portion of the spring seating portion 120 is formed on the upper portion of the inner support jaw 121 to fix the coil spring.
상기 스프링 안착부(120)의 타단부와 상기 돌출부(110) 사이에 이물질 배출을 위해 형성되는 배출부(130)가 형성되며, 상기 배출부(130)의 내주연(130a)이 외주연(130b) 보다 높게 형성되어 경사진 구조로 형성된다.A discharge part 130 is formed between the other end of the spring seating part 120 and the protrusion 110 to discharge foreign matter, and an inner circumference 130a of the discharge part 130 is an outer circumference 130b. It is formed higher than) to form an inclined structure.
상기 스프링 패드(100)의 바닥면에는 리브(Rib)(141)가 가로, 세로로 엇갈려 다수개의 천공(140)이 형성되는 구조에 의해 탄성과 강성이 부여되고 수축이 방지되며, 내구성이 향상된다. Rib (141) on the bottom surface of the spring pad 100 is provided with a plurality of perforations 140 alternately horizontally and vertically formed elasticity and rigidity is prevented, shrinkage is prevented, durability is improved .
상기 스프링 패드(100)의 측부에는 수축 방지를 위한 홈(151)이 형성되어 탄성이 부여되는 측부 탄성부(150)가 형성된다.The side portion of the spring pad 100 is formed with a groove 151 for preventing shrinkage is formed side elastic portion 150 is given elasticity.
상기 스프링 패드(100)의 바닥면에는 하부 패드에 부착되도록 하나 이상의 고정 돌기(142)가 돌출 형성된다. 상기 고정 돌기(142)는 상기 스프링 패드의 바닥면에 일체로 사출성형 되거나 분리 조립될 수 있다. One or more fixing protrusions 142 protrude from the bottom surface of the spring pad 100 to be attached to the lower pad. The fixing protrusion 142 may be integrally injection molded or separately assembled to the bottom surface of the spring pad.
상기 스프링 패드(100)는 열가소성 엘라스토머(Thermoplastic elastomer)로 제작되며, 상기 열가소성 엘라스토머는 올레핀계 열가소성 엘라스토머(TPO)와 폴리에스테르계 열가소성 엘라스토머(TPEE)등이 바람직하다The spring pad 100 is made of a thermoplastic elastomer, and the thermoplastic elastomer is preferably an olefinic thermoplastic elastomer (TPO) and a polyester thermoplastic elastomer (TPEE).
열가소성 엘라스토머는 상온에서는 고무(Rubber)의 특성을 나타내며, 고온에서는 열가소성(Plastic)의 특성을 나타내어 간단한 공정(Processing)으로 성형이 가능한 고분자 재료이다. Thermoplastic elastomers exhibit the properties of rubber at room temperature and thermoplastics at high temperatures, and are polymer materials that can be molded by simple processing.
따라서 상기에서 설명한 기존의 고무(Rubber)재질 보다 제품을 생산하는데 있어서 성형시간이 단축되어 생산성 향상되고, 제조과정에서 발생되는 불량품을 재사용할 수 있어 폐기물이 줄어드는 친환경적인 재료이다. Therefore, in the production of the product than the rubber material described above (Rubber), the molding time is shortened to improve the productivity, it is possible to reuse the defective products generated in the manufacturing process is an environmentally friendly material that reduces waste.
또한, 기존의 강재(Steel core)(20)가 불필요함으로 중량이 절감되어 경량화된 스프링 패드를 제공할 수 있어 차량의 중량을 절감하고, 연비를 개선할 수 있다. In addition, since the steel core (Steel core) 20 is unnecessary, the weight can be reduced to provide a lightweight spring pad, thereby reducing the weight of the vehicle and improving fuel efficiency.
본 발명이 속하는 기술분야의 통상의 지식을 가진자는 본 발명이 그 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것이며 한정적이 아닌 것으로 이해해야만 한다. 본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구의 범위에 의하여 나타내어지며, 특허청구의 범위의 의미 및 범위 그리고 그 균등 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.Those skilled in the art will appreciate that the present invention can be embodied in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive. The scope of the present invention is indicated by the scope of the following claims rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalent concept are included in the scope of the present invention. Should be interpreted.
<부호의 설명><Description of the code>
10,100 : 스프링 패드 20 : 강재10,100: spring pad 20: steel
110 : 돌출부 111 : 걸림단부110: protrusion 111: locking end
111a : 하단 112 : 엠보부 111a: Bottom 112: Emboss
120 : 스프링 안착부 121 : 안쪽 지지턱120: spring seating portion 121: inner support jaw
122 : 외측 지지부 123 : 고정 걸림턱122: outer support 123: fixed locking jaw
130 : 배출부 130a : 내주연130: discharge part 130a: inner peripheral
130b : 외주연 140 : 천공130b: Outer Cast 140: Perforated
141 : 리브 142 : 고정 돌기141: rib 142: fixing projection
150 : 측부 탄성부 151 : 홈150: side elastic portion 151: groove

Claims (9)

  1. 자동차 현가장치에 사용되는 코일 스프링과 상기 코일 스프링을 지지하는 상부 및 하부패드 사이에 개재되는 자동차 현가장치용 스프링 패드에 있어서, In the spring pad for automobile suspension interposed between the coil spring used in the automobile suspension and the upper and lower pads for supporting the coil spring,
    상기 스프링 패드는,The spring pad,
    상기 코일 스프링의 끝단부가 걸리도록 걸림단부가 형성되는 돌출부; 와, A protruding portion having a locking end portion formed to catch an end of the coil spring; Wow,
    상기 코일 스프링의 저면을 지지하기 위해 일단부가 상기 걸림단부 하단에서 시작하여 나선형의 구조로 점차 높아지게 형성되는 스프링 안착부; 와, A spring seating portion having one end portion gradually formed in a spiral structure starting from the lower end of the locking end portion to support the bottom surface of the coil spring; Wow,
    상기 스프링 안착부의 타단부와 상기 돌출부 사이에 이물질 배출을 위해 형성되는 배출부; 를 포함하고, A discharge part formed for discharging foreign matter between the other end of the spring seating part and the protrusion; Including,
    열가소성 엘라스토머(Thermoplastic elastomer)로 제작되되, 바닥면에는 탄성과 강성이 부여되는 구조와, 측부에는 탄성을 부여하는 구조가 더 형성되어 별도의 강재 삽입(Steel insert)이 이루어지지 않아 경량화된 것을 특징으로 하는 자동차 현가장치용 스프링 패드.It is made of thermoplastic elastomer, but the structure is provided with elasticity and stiffness on the bottom surface, and the structure that gives elasticity on the side is further formed so that no additional steel insert is made. Spring pad for car suspension.
  2. 제1항에 있어서, The method of claim 1,
    상기 열가소성 엘라스토머는 올레핀계 열가소선 엘라스토머(TPO) 또는 폴리에스테르계 열가소성 엘라스토머(TPEE) 중 어느 하나인 것을 특징으로 하는 자동차 현가장치용 스프링 패드. The thermoplastic elastomer is a spring pad for a vehicle suspension, characterized in that any one of an olefin thermoplastic elastomer (TPO) or a polyester thermoplastic elastomer (TPEE).
  3. 제1항에 있어서,       The method of claim 1,
    상기 스프링 패드의 바닥면에 탄성과 강성이 부여되는 구조는 리브(Rib)가 가로, 세로로 엇갈려 다수개의 천공이 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드. The structure is provided with elasticity and rigidity on the bottom surface of the spring pad is a rib (Rib) spring pad for automobile suspension, characterized in that a plurality of perforations are formed by crossing the horizontal and vertical.
  4. 제1항에 있어서, The method of claim 1,
    상기 스프링 패드의 측부에는 수축 방지를 위한 홈이 형성되어 탄성이 부여되는 측부 탄성부를 포함하는 것을 특징으로 하는 자동차 현가장치용 스프링 패드.The spring pad for a vehicle suspension, characterized in that the side portion of the spring pad is formed with a groove for preventing shrinkage is provided elastic side.
  5. 제1항에 있어서, The method of claim 1,
    상기 스프링 안착부의 내측에는 상기 코일 스프링의 내측을 지지하는 안쪽 지지턱과, 외측에는 상기 코일 스프링의 외측을 지지하는 외측 지지부가 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드.An inner support jaw supporting an inner side of the coil spring and an outer supporting part supporting an outer side of the coil spring are formed at an inner side of the spring seating part.
  6. 제5항에 있어서, The method of claim 5,
    상기 안쪽 지지턱의 상부에는 상기 코일 스프링이 상기 스프링 안착부의 상부로 빠져나오지 않도록 고정하기 위한 고정 걸림턱이 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드.The upper side of the inner support jaw is a spring pad for a vehicle suspension, characterized in that the fixing jaw for fixing so that the coil spring does not escape to the upper portion of the spring seat.
  7. 제1항에 있어서, The method of claim 1,
    상기 돌출부의 상부면에는 상기 코일 스프링과 접촉면적을 넓히면서 마찰력을 감소시켜 미끄럼을 방지하고, 마찰 이음을 방지하기 위해 요철 처리된 엠보부가 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드.The upper surface of the protruding portion spring pad for a vehicle suspension characterized in that the embossed surface is formed to prevent the sliding by reducing the friction force while widening the contact area with the coil spring, to prevent the friction joint.
  8. 제1항에 있어서, The method of claim 1,
    상기 배출부의 내주연이 외주연보다 높게 형성되어 경사진 구조로 형성되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드. The inner peripheral edge of the discharge portion is formed higher than the outer circumferential spring pad for an automobile suspension, characterized in that formed in a sloped structure.
  9. 제1항에 있어서, The method of claim 1,
    상기 스프링 패드의 바닥면에는 상기 하부 패드에 부착되도록 하나 이상 돌출 형성된 고정 돌기를 포함하고, 상기 고정 돌기는 상기 스프링 패드의 바닥면에 일체로 사출성형 되거나 분리 조립되는 것을 특징으로 하는 자동차 현가장치용 스프링 패드.       The bottom surface of the spring pad includes a fixing protrusion protruding one or more protruding to be attached to the lower pad, the fixing protrusion is integrally injection molded or separately assembled to the bottom surface of the spring pad Spring pads.
PCT/KR2016/004480 2015-11-13 2016-04-28 Vehicle suspension spring pad WO2017082497A1 (en)

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KR101949158B1 (en) 2018-07-02 2019-02-19 김다혜 Torque transfer device of power tool
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