KR200247861Y1 - Sandwitch Panel for Automobile - Google Patents

Sandwitch Panel for Automobile Download PDF

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KR200247861Y1
KR200247861Y1 KR2020010019695U KR20010019695U KR200247861Y1 KR 200247861 Y1 KR200247861 Y1 KR 200247861Y1 KR 2020010019695 U KR2020010019695 U KR 2020010019695U KR 20010019695 U KR20010019695 U KR 20010019695U KR 200247861 Y1 KR200247861 Y1 KR 200247861Y1
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plate
thickness
panel
adhesive
vehicle
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KR2020010019695U
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Korean (ko)
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박상전
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박상전
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Abstract

본 고안은 차량용 샌드위치판넬에 관한 것으로, 차량 특히, 탑차 및 특장차의 판넬에 부직포를 채용하여 얇은 두께를 가지면서도 접착력이 양호하여 판넬의 들뜸현상을 방지하고, 강도가 향상되도록 한 판넬에 관한 것이다.The present invention relates to a sandwich panel for a vehicle, and more particularly, to a panel of a top vehicle and a special vehicle by using a non-woven fabric to have a thin thickness but good adhesion to prevent the lifting phenomenon of the panel, and to improve the panel strength.

종래에는 판재와 단열재를 접착제를 통해 접착한 구조로서, 접착시 접착제로부터 가스가 발생하여 접착성이 저하되어 판재가 박리되는 현상이 발생하였고, 단가를 낮추기 위해 판재의 두께를 얇게 하는 경우, 소정의 강도를 유지할 수 없어 두께를 두껍게 할 수밖에 없게되므로 그 만큼 제품의 단가가 상승하는 요인으로 작용하였다.Conventionally, a plate and a heat insulating material are bonded to each other by an adhesive, and when a gas is generated from the adhesive during adhesion, the adhesiveness is degraded and the plate is peeled off. In order to reduce the unit cost, a predetermined thickness of the plate is reduced. Since the strength cannot be maintained, the thickness is inevitably increased, which increases the unit price of the product.

이에 본 고안은 상기와 같은 종래의 제반 문제점을 해소하기 위해 안출된 것으로, 본 고안의 구성은 안쪽과 바깥쪽에 배치되는 판재(12)(20)와, 이 판재(12)(20)사이에 접착층(14)(18)을 통해 접착되는 단열재(16)로 이루어진 차량용 샌드위치판넬에 있어서, 상기 접착층(14)(18)과 판재(12)(20)사이에 부직포(30)가 부착된 구조이다.The present invention is devised to solve the conventional problems as described above, the configuration of the present invention is an adhesive layer between the plate member 12, 20 and the plate member 12, 20 disposed on the inside and the outside In the sandwich panel for a vehicle made of a heat insulating material (16) bonded through the (14) (18), the nonwoven fabric 30 is attached between the adhesive layer (14) 18 and the plate (12) (20).

이러한 구성을 가지는 본 고안은 샌드위치판넬의 두께를 종래보다 얇게 할 수 있으면서도 소정의 강도를 유지할 수 있어 제품의 단가를 낮출 수 있고, 부직포에 의해 열가압시 발생하는 가스를 배출시켜 접착력이 향상되어 판재가 단열재로부터 박리되는 현상을 방지할 수 있도록 한 것이다.The present invention having such a structure can reduce the thickness of the product while maintaining a predetermined strength while making the thickness of the sandwich panel thinner than the conventional one, and improves the adhesive force by discharging the gas generated during thermal pressurization by the nonwoven fabric. It is to be able to prevent the phenomenon of peeling from the heat insulating material.

Description

차량용 샌드위치판넬{Sandwitch Panel for Automobile}Sandwich Panel for Vehicle {Sandwitch Panel for Automobile}

본 고안은 차량의 샌드위치판넬에 관한 것으로, 보다 상세하게는 차량 특히,탑차 및 특장차의 판넬에 부직포를 채용하여 얇은 두께를 가지면서도 접착력이 양호하여 판넬의 들뜸현상을 방지하고, 강도가 향상되도록 한 차량용 샌드위치판넬에 관한 것이다.The present invention relates to a sandwich panel of a vehicle, and more particularly, to adopt a nonwoven fabric in a panel of a vehicle, in particular, a top vehicle and a special vehicle, to have a thin thickness and good adhesion to prevent lifting of the panel and to improve strength. It relates to a sandwich panel for a vehicle.

일반적으로, 차량중 냉동탑차 및 특장차의 경우, 적재되는 화물의 냉동,냉장효과를 높이기 위하여 단열재의 상하 양면에 판재를 접착하여 구성되는 샌드위치판넬을 사용하고 있다.In general, in the case of refrigeration towers and special vehicles in the vehicle, sandwich panels formed by adhering the plate to the upper and lower sides of the heat insulating material in order to increase the freezing, refrigeration effect of the cargo to be loaded.

종래의 샌드위치판넬은 도 3에 도시된 바와 같이, 판넬(10)의 최외부면에 판재(12)가 구비되고, 그 안쪽으로 접착층(14)을 통해 단열재(16)가 갖추어지며, 이 단열재(16)의 배면에 다시 접착층(18)을 통해 판재(20)가 구비된 구조이다. 또한, 접착층(14)(18)을 이루는데 사용되는 접착제는 일반적으로 열경화성 에폭시접착제를 사용한다.In the conventional sandwich panel, as shown in FIG. 3, the plate 12 is provided on the outermost surface of the panel 10, and the heat insulating material 16 is provided through the adhesive layer 14 therein. The back plate 16 is provided with the plate 20 through the adhesive layer 18 again. In addition, the adhesive used to form the adhesive layers 14 and 18 generally uses a thermosetting epoxy adhesive.

이와 같은 구조를 가지는 종래의 샌드위치판넬(10)에서 판재(12)(20)는 알루미늄판으로 되어 있고, 단열재(16)는 우레탄폼으로 이루어져 있다.In the conventional sandwich panel 10 having such a structure, the plate 12 and 20 are made of an aluminum plate, and the heat insulating material 16 is made of urethane foam.

상기 판재(12)(20)는 접착층(14)(18)을 통해 단열재(16)와 접착시,열가압법에 의해 접착시킨 후 상온에서 경화냉각시킨다.The plates 12 and 20 are bonded to each other by the heat insulating material 16 through the adhesive layers 14 and 18, and then bonded and cured at room temperature by heat and pressure.

그러나, 상기 열가압법에 의한 접착시, 가열된 접착층(14)(18)에서 가스가 발생하게되고, 열가압시 발생된 가스가 상온에서 경화냉각시, 외부로 배출되지 않아 접착층에 기공이 형성되어 접착강도가 약해져 단열재(16)에서 판재(12)(20)가 쉽게 박리되는 문제점이 있었다.However, upon adhesion by the thermal pressing method, a gas is generated in the heated adhesive layers 14 and 18, and the gas generated during the thermal pressing is not discharged to the outside during curing cooling at room temperature, so that pores are formed in the adhesive layer. As a result, the adhesive strength was weakened, so that the plates 12 and 20 were easily peeled off from the heat insulating material 16.

또한, 소정의 강도를 유지해야하기 때문에, 판재(12)(20)의 두께를 두껍게 하는데, 실제 적용되는 판넬의 판재두께는 0.8mm로 되어 있어 경쟁력을 갖추기 위해 판재의 두께를 얇게 하는 경우, 즉 0.8mmn이하로 하는 경우, 제품의 강도가 약화되어 사용이 어려운 폐단이 있게되므로, 일정두께를 유지할 수 밖에 없어 그 만큼 제품의 단가가 상승되는 요인이 되었다.In addition, since it is necessary to maintain a predetermined strength, the thickness of the plate 12, 20 is thickened, but the panel thickness of the panel actually applied is 0.8 mm, so that the thickness of the plate is made thin for competitiveness. When the thickness is 0.8 mmn or less, the strength of the product is weakened, which makes it difficult to use the closed end. Therefore, the thickness of the product is inevitably increased.

이에 본 고안은 상기와 같은 종래의 제반 문제점을 해결하기 위해 안출된 것으로, 판넬을 이루는 판재의 두께를 종래보다 상대적으로 얇게 하면서도 소정의 강도를 유지하는 한편, 판재와 단열재간의 접착력이 저하되지 않아 박리되는 현상을 방지할 수 있도록 한 차량용 샌드위치판넬을 제공함에 고안의 목적이 있다.The present invention has been devised to solve the above-mentioned conventional problems, while maintaining the predetermined strength while reducing the thickness of the plate forming the panel relatively thin than the conventional, while peeling off the adhesive force between the plate and the heat insulating material is not degraded An object of the present invention is to provide a sandwich panel for a vehicle to prevent the phenomenon.

도 1은 본 고안에 따른 샌드위치판넬이 적용되는 차량을 도시한 도면1 is a view showing a vehicle to which a sandwich panel according to the present invention is applied

도 2는 본 고안에 따른 샌드위치판넬의 단면도2 is a cross-sectional view of the sandwich panel according to the present invention

도 3은 종래의 샌드위치판넬의 단면도3 is a cross-sectional view of a conventional sandwich panel

* 도면의 주요부분에 대한 부호설명 ** Explanation of Signs of Major Parts of Drawings *

12,20 : 판재12,20: Plate

14,18 : 접착층14,18: adhesive layer

16 : 단열재16: heat insulation

30 : 부직포30 nonwoven fabric

40 : 샌드위치판넬40: sandwich panel

상기와 같은 목적을 달성하기 위한 본 고안은 안쪽과 바깥쪽에 배치되는 판재와, 이 판재사이에 접착층을 통해 접착되는 단열재로 이루어진 차량용 샌드위치판넬에 있어서, 상기 접착층과 판재사이에 부직포를 부착한 것을 기술적 특징으로 한다.The present invention for achieving the above object is in a sandwich panel for a vehicle made of a plate material disposed inside and outside, and the heat insulating material bonded through an adhesive layer between the plate, the non-woven fabric attached between the adhesive layer and the plate technology It features.

이하 본 고안의 바람직한 실시예를 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

상기 종래기술과 동일한 구성요소에 대해서는 동일한 부호를 부여하고, 새로운 구성요소에 대해서만 새로운 부호를 부여하여 설명한다.The same reference numerals are given to the same components as those of the prior art, and the new reference numerals are given only to the new components.

첨부된 예시도면 도 1은 본 고안에 따른 샌드위치판넬이 적용되는 차량을 도시한 도면이고, 도 2는 본 고안에 따른 샌드위치판넬의 단면도이다. 도시된 바와 같이, 안쪽과 바깥쪽에 배치되는 판재(12)(20)와, 이 판재(12)(20)사이에 접착층(14)(18)을 통해 접착되는 단열재(16)로 이루어진 차량용 샌드위치판넬에 있어서, 상기 접착층(14)(18)과 판재(12)(20)사이에 부직포(30)가 부착된 구조이다.1 is a view illustrating a vehicle to which a sandwich panel according to the present invention is applied, and FIG. 2 is a cross-sectional view of the sandwich panel according to the present invention. As shown, a sandwich panel for a vehicle comprising a plate 12, 20 disposed inside and outside, and a heat insulating material 16 bonded through the adhesive layers 14, 18 between the plate 12, 20, In this case, the nonwoven fabric 30 is attached between the adhesive layers 14 and 18 and the plate members 12 and 20.

도면중 미설명부호 50은 탑차이다.In the figure, reference numeral 50 is a top difference.

상기와 같이 구성된 본 고안은 샌드위치판넬의 두께가 얇으면서도 일정강도를 유지할 수 있고, 접착능력이 향상되도록 한 것으로, 상기 부직포(non-woven fabric)(30)는 합성섬유, 천연섬유, 글래스섬유 등을 적당한 방법에서 매트상태나 박면상태로 만들고, 접착제나 섬유자신의 융착력에 의해 섬유를 접합하여 만든 천을 말한다. 섬유를 매트상태로 하는 방법으로는 건식법과 습식법이 있는데, 건식법은 적당히 길게 절단한 섬유를 공기류에서 윰직여 컨베이어 벨트상에서 균일한 두께로 성형하여 분산하면, 섬유는 컨베이어벨트상에서 매트를 형성한다. 여기에 접착제를 뿌리고, 침지하여 건조한다. 습식법은 종이의 초지법과 전부 같은 식의 공정에서 떠낸 섬유에 접착제를 실시하여 만드는 방법이 있으나, 공업적으로는 건식법이 많이 채용된다. 부직포는 방추성, 내수성, 내용제성이 우수하고, 가벼워 통기성이 좋은 등의 특징이 있기때문에 의복의 심지나 과면지, 비닐레더나 인조가죽의기포, 장갑, 냅킨, 커텐 등에 이용되고 있다.The present invention configured as described above is to maintain a certain strength while the thickness of the sandwich panel is thin, to improve the adhesive ability, the non-woven fabric (non-woven fabric) 30 is synthetic fiber, natural fiber, glass fiber, etc. It is a cloth made by bonding the fibers by making the mat state or thin state in the proper way and by the adhesive strength of the adhesive or the fiber itself. There are dry and wet methods for making the fiber into a mat state. In the dry method, when the fiber cut into a moderately long length is formed in a uniform thickness on a conveyor belt by knitting the fibers in an air stream, the fibers form a mat on the conveyor belt. The adhesive is sprayed on this, immersed and dried. There is a method of making the wet method by applying an adhesive to the fibers pulled out in the same process as the papermaking method of paper, but industrially, the dry method is adopted. Nonwoven fabrics are excellent in fusitivity, water resistance and solvent resistance, and are light and breathable. Therefore, they are used in clothing wicks, cotton paper, vinyl leather or artificial leather bubbles, gloves, napkins and curtains.

이러한 특성을 가지는 부직포(30)는 접착제(여기서도 종래와 같이 열경화성 에폭시 접착제를 사용한다)를 도포하여 접착후 열가압법에 의해 가압후 상온에서 경화시킬때, 접착제에 의해 가스가 발생되더라도 배출이 이루어져 가스가 잔존하지 않게되어 접착력이 우수해진다.The nonwoven fabric 30 having such characteristics is discharged even when gas is generated by the adhesive when the adhesive (here, a thermosetting epoxy adhesive is used as in the prior art) is applied and cured at room temperature after pressurization by thermal pressure method after adhesion. No gas remains and the adhesion is excellent.

또한, 경화후 판재(12)(20)와 단열재(16)사이에서 경질의 지지부역할을 하여 판재의 두께를 얇게하더라도 소정의 강도를 유지할 수 있다. 실제 사용시에는 종래의 0.8mm의 두께를 0.65mm로 줄여 사용가능한바, 이것은 위에서 살펴본 바와 같이, 부직포(30)가 개재되어 있기때문에 가능하게 된다.In addition, it is possible to maintain a predetermined strength even if the thickness of the plate is reduced by acting as a rigid support portion between the plate 12, 20 and the heat insulating material 16 after curing. In actual use, the conventional 0.8 mm thickness can be reduced to 0.65 mm, which is possible because the nonwoven fabric 30 is interposed as described above.

이러한 것은 본 출원인이 '한국화학시험연구원'에 의뢰하여 시험한 결과, 종래에 비교하여 우수한 성능을 나타내었다.This resulted in the applicant's testing by the Korea Institute of Chemical Testing, and showed superior performance compared to the prior art.

종래Conventional 본 고안This invention 인장하중(N)Tensile Load (N) 30283028 30623062 열전도율(평균온도 : 20±2℃)(W/m.K)Thermal Conductivity (Average Temperature: 20 ± 2 ℃) (W / m.K) 0.0440.044 0.0460.046

시험편 나비 : 30.05mm, 두께 : 0.69mm(접착제층 포함)Test piece butterfly: 30.05mm, thickness: 0.69mm (including adhesive layer)

위 표 1에서 보는바와 같이, 동일규격인 경우, 종래에 비해 본 고안의 샌드위치판넬(40)은 인장하중 및 열전도율이 모두 높게 나타났는바, 이것으로 부직포를 부착하여 위와 같은 성능의 향상을 가져오는 것이다.As shown in Table 1, in the case of the same standard, compared to the conventional sandwich panel 40 of the present invention, both the tensile load and the thermal conductivity appeared to be high, by attaching a non-woven fabric with this result in the improvement of the above performance will be.

이와 같이 본 고안은 부직포를 부착하여 샌드위치판넬의 두께를 종래보다 얇게 할 수 있으면서도 소정의 강도를 유지할 수 있어 제품의 단가를 낮출 수 있고, 부직포에 의해 열가압시 발생하는 가스를 배출시켜 접착력이 향상되어 판재가 단열재로부터 박리되는 현상을 미연에 방지할 수 있는 등의 효과가 있는 매우 유용한 고안인 것이다.As such, the present invention can attach the nonwoven fabric to make the thickness of the sandwich panel thinner than the conventional one, while maintaining the predetermined strength, thereby lowering the unit cost of the product and improving the adhesive force by discharging the gas generated during the thermal pressurization by the nonwoven fabric. It is a very useful design with the effect of preventing the phenomenon that the plate is peeled from the heat insulating material in advance.

Claims (1)

안쪽과 바깥쪽에 배치되는 판재(12)(20)와,Plates 12 and 20 disposed inside and outside, 이 판재(12)(20)사이에 접착층(14)(18)을 통해 접착되는 단열재(16)로 이루어진 차량용 샌드위치판넬에 있어서,In the sandwich panel for a vehicle made of a heat insulating material 16 which is bonded between the plate material 12, 20 through an adhesive layer 14, 18, 상기 접착층(14)(18)과 판재(12)(20)사이에 부직포(30)가 부착된 것을 특징으로 하는 차량용 샌드위치판넬.Sandwich panel for a vehicle, characterized in that the non-woven fabric 30 is attached between the adhesive layer 14, 18 and the plate 12, 20.
KR2020010019695U 2001-06-29 2001-06-29 Sandwitch Panel for Automobile KR200247861Y1 (en)

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KR2020010019695U KR200247861Y1 (en) 2001-06-29 2001-06-29 Sandwitch Panel for Automobile

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101608250B1 (en) * 2014-11-07 2016-04-01 한호희 Sandwich panel of special vehicle and method of manufacturing thereof
KR102226053B1 (en) 2019-10-02 2021-03-09 심명권 Panel structure of special vehicle loader
RU209966U1 (en) * 2021-12-02 2022-03-24 Олег Валерьевич Воронов Isothermal container

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101608250B1 (en) * 2014-11-07 2016-04-01 한호희 Sandwich panel of special vehicle and method of manufacturing thereof
KR102226053B1 (en) 2019-10-02 2021-03-09 심명권 Panel structure of special vehicle loader
RU209966U1 (en) * 2021-12-02 2022-03-24 Олег Валерьевич Воронов Isothermal container
RU209966U9 (en) * 2021-12-02 2022-04-19 Олег Валерьевич Воронов Isothermal container

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