KR20010030086A - Helical reinforcing hose - Google Patents

Helical reinforcing hose Download PDF

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Publication number
KR20010030086A
KR20010030086A KR1020000046792A KR20000046792A KR20010030086A KR 20010030086 A KR20010030086 A KR 20010030086A KR 1020000046792 A KR1020000046792 A KR 1020000046792A KR 20000046792 A KR20000046792 A KR 20000046792A KR 20010030086 A KR20010030086 A KR 20010030086A
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South Korea
Prior art keywords
hose
main body
circumferential surface
outer circumferential
synthetic resin
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KR1020000046792A
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Korean (ko)
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KR100497957B1 (en
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나베시마요시카즈
하기하라치히로
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나카니시 세이이치
가부시키가이샤 토욕스
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Publication of KR20010030086A publication Critical patent/KR20010030086A/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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/04Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/08Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
    • F16L11/081Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall comprising one or more layers of a helically wound cord or wire

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

PURPOSE: To compress the whole of a hose uniformly even with a general flat band while decreasing thickness of the whole of the hose and making it impossible for the whole of the hose to ground. CONSTITUTION: A hose main body 1 can be molded thin in thickness dimensions and a grounding part 2a made of hard resin grounds at the time of using it by slightly projecting and exposing the grounding part 2a with a flat reinforcing material 2 and a flat and smooth outer periphery from an outer peripheral surface 1a of the hose main body 1, and in the case of fastening the whole of a hose with a general flat band C, the soft resin made hose main body 1 is elastically deformed and perfectly buries the hard resin made reinforcing material 2, and the grounding part 2a and the outer peripheral surface 1a of the hose main body 1 come to be roughly on the same level.

Description

나선보강호스{Helical reinforcing hose}Spiral Reinforcing Hose

본 발명은, 예컨대 흡입호스(suction hose)나 덕트호스(duct hose) 등의 저압 또는 배압으로 이용되는 내압성이 우수한 나선보강호스에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spiral reinforcement hose having excellent pressure resistance, such as a suction hose or a duct hose, used at low or back pressure.

보다 상세하게는, 연질합성수지제의 호스본체에 경질합성수지제의 보강재를 나선상으로 매설한 나선보강호스에 관한 것이다.More specifically, the present invention relates to a spiral reinforcing hose in which a reinforcing material made of hard synthetic resin is spirally embedded in a hose body made of soft synthetic resin.

종래, 이런 종류의 나선보강호스로서 예컨대, 도 3에 나타낸 바와 같이 호스본체(1')의 외주면(1a')에 단면원형의 보강재(2')를 바깥쪽으로 돌출시켜서 매설함으로써 호스 외벽면(A2')이 파형(波形)으로 돌출하는 것이 있다.Conventionally, as this type of spiral reinforcing hose, for example, as shown in Fig. 3, the outer circumferential surface 1a 'of the hose body 1' is projected outwardly and embedded in a cross-sectional circular reinforcement member 2 '. ') Protrudes in a wave form.

또, 도 4에 나타낸 바와 같이 호스본체(1')의 내부에 단면원형의 보강재(2')를 매설한 상태에서 호스본체(1')의 두께 치수를 균일하게 함으로써 호스 외벽면(A2')이 평활한 것이 있다.In addition, as shown in FIG. 4, the hose outer wall surface A2 'is made uniform by thickness of the hose main body 1' in the state in which the reinforcement 2 'of circular cross section was embedded in the inside of the main body 1'. There is this smooth thing.

그러나, 이와 같은 종래의 나선보강호스에서는, 사용시에 지면 또는 마루면과 접지되는 호스 외벽면이 마찰저항이 큰 연질합성수지제로 형성되기 때문에, 접지시에는 미끄러짐이 나빠서 사용편리함이 나쁘고, 게다가 마모되기 쉬워 수명이 짧다는 문제도 있다.However, in such a conventional spiral reinforcement hose, since the hose outer wall surface to be grounded to the ground or floor surface is formed of a soft synthetic resin having a large frictional resistance during use, the slippage is poor at the time of grounding, resulting in poor ease of use and easy wear. There is also a problem of short life.

또한, 호스 외벽면이 파형으로 돌출되는 종래의 것의 경우에는, 보강재가 매설되지 않는 벽부분의 두께 치수가 얇기 때문에 굴곡되기 쉽고 경량이지만, 이것을 예를 들면 일반적인 평밴드로 체결하여 호스본체의 내주면 전체가 호스니플(hose nipple)로 밀착시키도록 한 경우에는, 파형으로 돌출되는 보강재가 매설된 나선부분을 부분적으로 압축가능하지만 보강재가 매설되지 않은 벽부분은 압축이 불가능하기 때문에, 기밀성이 떨어져서 호스 내를 통과하는 유체의 내압이 높아지면 유체의 누설이나 호스빠짐이 발생할 위험이 있다는 문제가 있다.In addition, in the case of the conventional one in which the outer wall surface of the hose protrudes in a corrugated form, the thickness of the wall portion where the reinforcing material is not buried is thin and easy to bend, but for example, the entire inner circumferential surface of the hose main body is fastened by a general flat band. In the case of close contact with a hose nipple, the spiral portion of the corrugated reinforcement is partially compressible, but the wall portion without the reinforcement is not compressible, so it is not airtight and passes through the hose. If the internal pressure of the fluid is increased, there is a problem that there is a risk of fluid leakage or hose leak.

이것을 방지하는데는 고가인 전용 호스밴드를 사용할 필요가 있었다.To prevent this, it was necessary to use expensive dedicated hose bands.

또, 호스 외벽면이 평활한 종래의 것의 경우에는, 예컨대 띠밴드 등의 일반적인 평밴드의 체결에 의해 호스전체를 균일하게 압축할 수 있어 기밀성이 우수하지만, 보강재가 매설되지 않은 벽부분의 두께 치수가 두껍게 되기 때문에 굴곡되기 어렵고 무거워진다는 문제가 있다.In addition, in the case of the conventional one having a smooth outer wall of the hose, the whole hose can be uniformly compressed by fastening a general flat band such as a band band, so that the airtightness is excellent, but the thickness of the wall portion where the reinforcing material is not embedded is increased. There is a problem that because it becomes thick, difficult to bend and heavy.

본 발명 중 청구항 1, 2기재의 발명은, 호스전체의 두께를 얇게 함과 동시에 호스본체를 접지 불가능하게 하면서 일반적인 평밴드로도 호스전체를 균일하게 압축하는 것을 목적으로 하는 것이다.The invention of Claims 1 and 2 of the present invention aims to uniformly compress the whole hose even with a general flat band while making the hose body thin and at the same time making the hose main body impossible to ground.

청구항 3기재의 발명은, 청구항 1 또는 청구항 2에 기재된 발명의 목적에 더하여, 호스본체에 대하여 보강재를 강고히 연결하는 것을 목적으로 하는 것이다.In addition to the object of the invention according to claim 1 or 2, the invention of claim 3 is intended to rigidly connect the reinforcing material to the hose main body.

도 1은 본 발명의 일실시예를 나타낸 나선보강호스의 일부절결 정면도,1 is a partially cutaway front view of a spiral reinforcing hose showing an embodiment of the present invention;

도 2는 도 1의 Ⅱ-Ⅱ선에 따르는 확대 종단측면도,FIG. 2 is an enlarged longitudinal sectional side view taken along line II-II of FIG. 1;

도 3은 종래의 나선보강호스 일예를 나타낸 종단정면도,Figure 3 is a longitudinal sectional front view showing an example of a conventional spiral reinforcement hose,

도 4는 종래의 나선보강호스 일예를 나타낸 종단정면도,Figure 4 is a longitudinal sectional front view showing an example of a conventional spiral reinforcement hose,

〈 도면의 주요부분에 대한 부호의 설명 〉<Description of the reference numerals for the main parts of the drawings>

1 : 호스본체 1a : 외주면1: Hose main body 1a: Outer peripheral surface

2 : 보강재 2a : 접지부2: Stiffener 2a: Ground

2b : 볼록부2b: convex

앞에서 서술한 목적을 달성하기 위하여, 본 발명 중 청구항 1기재의 발명은, 보강재의 단면형상을 그 외주면이 평활하게 되도록 호스본체의 축방향으로 편평한 형상으로 형성하고, 이 평활한 외주면 부분을 제외한 대부분이 호스본체의 외주면에 매설되고, 그 보강재의 외주면에는 호스본체의 외주면으로부터 약간 돌출하여 노출되는 평활한 접지부를 형성한 것을 특징으로 하는 것이다.In order to achieve the above-mentioned object, the invention of claim 1 of the present invention, the cross-sectional shape of the reinforcing material is formed into a flat shape in the axial direction of the hose body so that the outer peripheral surface is smooth, most of the except the smooth outer peripheral surface portion The outer peripheral surface of the hose body is embedded, and the outer peripheral surface of the reinforcing material is characterized in that a smooth ground portion is formed which protrudes slightly from the outer peripheral surface of the hose body.

청구항 2기재의 발명은, 청구항 1기재의 발명의 구성에, 상기 호스전체의 체결시에는 연질합성수지제의 호스본체가 탄성변형하여 경질합성수지제의 보강재를 완전히 매몰시킨 구성을 더한 것을 특징으로 한다.The invention of claim 2 is characterized in that the configuration of the invention of claim 1 is added to a configuration in which the hose body made of soft synthetic resin is elastically deformed to completely buried the reinforcement made of hard synthetic resin when the whole hose is fastened.

청구항 3기재의 발명은, 청구항 1 또는 청구항 2기재의 발명의 구성에, 상기 보강재의 내주면에만 호스본체의 중심으로 향하여 돌출되는 볼록부 또는 오목부를 형성하여, 호스본체와의 접지면적을 증대시킨 구성을 더한 것을 특징으로 한다.According to a third aspect of the present invention, in the constitution of the invention of the first or second aspect, the convex portion or the concave portion protruding toward the center of the hose main body is formed only on the inner circumferential surface of the reinforcing member to increase the ground area with the hose main body. It is characterized by the addition of.

청구항 1, 2의 발명은 보강재가 편평한데다가 바깥둘레가 평활한 접지부를 호스본체의 외주면으로부터 약간 돌출하여 노출시킴으로써, 호스본체의 두께 치수가 얇게 형성가능하게 됨과 동시에 사용시에는 경질합성수지제의 접지부가 접지되고, 게다가 일반적인 평밴드로 호스전체를 체결한 경우에는 연질합성섬유제의 호스본체가 탄성변형하여 경질합성섬유제의 보강재를 완전히 매몰시켜, 이들 접지부와 호스본체의 외주면이 대략 면일치하게 되는 것이다.The invention of Claims 1 and 2 exposes a ground portion with a flat reinforcement and a smooth outer circumference to protrude slightly from the outer circumferential surface of the hose body, so that the thickness of the hose body can be made thin and at the same time the ground portion of the hard synthetic resin is grounded in use. In addition, in the case where the whole hose is fastened by a general flat band, the hose body made of soft synthetic fiber is elastically deformed to completely bury the reinforcement made of hard synthetic fiber, so that the outer peripheral surfaces of these ground portions and the hose body become substantially coincident with each other.

청구항 3의 발명은, 청구항 1기재의 구성에 대하여, 상기 보강재의 내주면에만 호스본체의 중심으로 향하여 돌출되는 볼록부 또는 오목부를 형성하여, 호스본체와의 접지면적을 증대시킨 구성을 추가하였기 때문에 보강재와 호스본체의 접착강도가 향상된다.Regarding the invention of claim 3, the reinforcing member is provided with a configuration in which the convex portion or concave portion protruding toward the center of the hose body is formed only on the inner circumferential surface of the reinforcing member so as to increase the ground area with the hose body. And the adhesive strength of the hose body is improved.

이하, 본 발명의 실시예를 도면에 기초하여 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, the Example of this invention is described based on drawing.

이 실시예는 도 1 및 도 2에 나타낸 바와 같이, 나선보강호스(A)의 한쪽 끝 내주면(A1)에 호스니플(B)을 삽입하고, 그 외주면(A2)에는 예를 들면 띠밴드 등의 일반적인 평밴드(C)를 둘러감아서 체결함으로써, 상기 나선보강호스(A)의 한쪽 끝 내주면(A1)을 호스니플(B)에 압접시키는 것이다.1 and 2, the hose nipple B is inserted into one end inner circumferential surface A1 of the spiral reinforcement hose A, and the outer circumferential surface A2 is, for example, a band band or the like. The inner circumferential surface A1 of one end of the spiral reinforcement hose A is press-contacted to the hose nipple B by winding the general flat band C around.

상기 나선보강호스(A)는 예를 들면 연질염화비닐 등의 연질합성수지를 가열 연화하여 제1압출기(도시생략)로부터 띠형상의 호스본체(1)가 압출됨과 동시에, 예를 들면 경질염화비닐 등의 경질합성수지를 가열연화하여 제2압출기(도시생략)로부터 선형상의 보강재(2)가 압출되고, 이들 양자를 합류시킨 후, 호스 축방향으로 나선상으로 둘러감아서 용착함으로써 보강재(2)를 매설한 호스본체(1)가 연속적으로 제조된다.The spiral reinforcing hose (A) is, for example, heated and softened by a soft synthetic resin such as soft vinyl chloride, and the band-shaped hose main body (1) is extruded from the first extruder (not shown), and for example, hard vinyl chloride or the like. Heat-softened resin of hard synthetic resin, extruded linear reinforcement (2) from the second extruder (not shown), and after joining them, the spiral reinforcement was wound around the hose axial direction and welded to embed the reinforcement (2). The hose body 1 is produced continuously.

도시예의 경우에는 연질합성수지로서 투명한 연질염화비닐을 사용하고, 경질합성수지로서 유색의 경질염화비닐을 사용하고 있다.In the case of the illustration, transparent soft vinyl chloride is used as a soft synthetic resin, and colored hard vinyl chloride is used as a hard synthetic resin.

상기 보강재(2)는 그 단면형상을 도 1에 나타낸 바와 같이 호스본체(1)의 축방향으로 편평한 형상으로 형성하여, 그 적어도 외주면을 제외한 대부분이 호스본체(1)의 외주면(1a)에 매설되고, 상기 보강재(2)의 외주면에는 도 2에 나타낸 바와 같이 호스본체(1)의 외주면(1a)으로부터 약간 돌출하여 노출되는 평활한 접지부(2a)를 형성한다.As shown in FIG. 1, the reinforcing member 2 is formed in a flat shape in the axial direction of the hose main body 1, and most of the reinforcing material except at least the outer peripheral surface is embedded in the outer peripheral surface 1a of the hose main body 1. As shown in FIG. 2, a smooth ground portion 2a is formed on the outer circumferential surface of the reinforcing material 2 to protrude slightly from the outer circumferential surface 1a of the hose body 1.

또한, 상기 보강재(2)의 내주면에는 호스본체(1)와의 접지면적을 조금이라도 넓게 하기 위하여, 호스본체(1)의 중심으로 향하여 돌출하는 볼록부(2b) 또는 오목부를 형성한다.In addition, the inner circumferential surface of the reinforcing material 2 is provided with a convex portion 2b or a concave portion protruding toward the center of the hose body 1 in order to widen the ground area with the hose body 1 even a little.

본 실시예의 경우에는 호스본체(1)의 축방향 중앙으로 향함에 따라서 서서히 호스본체(1)의 중심으로 향해 돌출되는 단면이 대략 반원형인 볼록부(2b)를 형성하고 있다. 그러나, 단면이 대략 반원형인 볼록부(2b)에 한정되지 않고, 호스본체(1)와의 접지면적을 조금이라도 넓게 할 수 있으면 도시하지 않지만 다른 형상의 볼록부나 오목부이어도 된다.In the case of this embodiment, the convex part 2b which has a substantially semicircular cross section which protrudes toward the center of the hose main body 1 gradually as it goes to the axial center of the hose main body 1 is formed. However, the cross section is not limited to the semi-circular convex portion 2b, and may be a convex portion or a concave portion of another shape, although not shown, as long as the ground area with the hose main body 1 can be widened even a little.

또, 상기 호스니플(B)은 경질합성수지나 금속 등으로 구성되고, 도시예의 경우에는 그 축방향 한쪽 끝에 죽순형상의 호스접속통부(B1)을 형성하고, 다른쪽 끝에는 다른기로 접속하기 위한 원통형상의 접속통부(B2)를 돌출 설치하고, 그 외주면에는 예컨대 나사 등의 연결부(B3)를 형성하고 있다.The hose nipple B is made of a hard synthetic resin, a metal, or the like. In the case of the illustrated example, the hose connecting cylinder portion B1 is formed in one end of the axial direction, and the other end has a cylindrical shape for connecting to another. The connection cylinder part B2 is protruded and the connection part B3, such as a screw, is formed in the outer peripheral surface, for example.

다음에, 이러한 나선보강호스(A)의 부착방법에 대하여 설명한다.Next, the attaching method of such a spiral reinforcement hose A is demonstrated.

우선, 도 1에 나타낸 바와 같이 나선보강호스(A)의 한쪽 끝 내주면(A1)에 호스니플(B)의 호스접속통부(B1)를 삽입하고, 이 상태에서 상기 나선보강호스(A)의 한쪽 끝 외주면(A2)에는 띠형상으로 형성된 일반적인 평밴드(C)를 둘러감아서 서서히 체결한다.First, as shown in FIG. 1, the hose connecting cylinder portion B1 of the hose nipple B is inserted into the inner peripheral surface A1 of one end of the spiral reinforcing hose A, and in this state, one side of the spiral reinforcing hose A is provided. The outer peripheral surface A2 is wound around the general flat band C formed in a band shape and fastened gradually.

그것에 의해, 최초는 평밴드(C)와 접지하는 경질수지제의 보강재(2)만이 안쪽방향으로 압압되고, 그 부근에 배치된 연질수지제의 호스본체(1)가 탄성변형하여 상기 보강재(2)가 완전히 매몰되어, 이들 접지부(2a)와 호스본체(1)의 외주면(1a)이 대략 면일치하게 된다.As a result, only the flat band C and the reinforcing member 2 made of hard resin grounded at first are pressed inward, and the hose body 1 made of the soft resin disposed in the vicinity thereof is elastically deformed so that the reinforcing member 2 ) Is completely buried, so that the ground portion 2a and the outer circumferential surface 1a of the hose body 1 are approximately coincided with each other.

그 결과, 상기 접지부(2a) 및 호스본체(1)의 외주면(1a)이 균일하게 압축되고, 나선보강호스(A)의 한쪽 끝 내주면(A1)은 호스니플(B)의 호스접속통부(B1)에 따라서 변형하여 밀착된다.As a result, the ground portion 2a and the outer circumferential surface 1a of the hose body 1 are uniformly compressed, and the inner circumferential surface A1 of one end of the spiral reinforcement hose A is connected to the hose connecting tube portion of the hose nipple B ( It deforms and adheres according to B1).

따라서, 나선보강호스(A)의 내부를 통하는 유체의 내압이 높아진 경우에도 유체의 누설이나 호스빠짐이 발생하지 않는다.Therefore, even when the internal pressure of the fluid passing through the inside of the spiral reinforcement hose A becomes high, the fluid leakage or hose dropping does not occur.

또, 상술한 나선보강호스(A)는, 보강재(2)가 편평한데다가 외주의 접지부(2a)를 호스본체(1)의 외주면(1a)으로부터 약간 돌출하여 노출시켰기 때문에 호스본체(1)의 두께 치수가 얇게 형성될 수 있고, 그 결과 경량이고 가소성에 우수하다.In addition, the spiral reinforcement hose A described above has the flatness of the reinforcing material 2, and the ground portion 2a of the outer circumference protrudes slightly from the outer circumferential surface 1a of the hose main body 1 to expose the hose main body 1 of the hose main body 1. The thickness dimension can be formed thin, and as a result, it is lightweight and excellent in plasticity.

게다가 사용시에는 경질수지제의 접지부(2a)가 지면 또는 마루면과 접지되기 때문에 마찰저항이 큰 연질수지제의 호스본체(1)의 외주면(1a)이 접지되는 것에 비하여 미끄러지기 쉬워 마모되기 어렵다.In addition, in use, since the ground portion 2a made of hard resin is grounded with the ground or floor surface, the outer peripheral surface 1a of the hose body 1 made of soft resin having large frictional resistance is more slippery and harder to wear. .

또한, 보강재(2)의 내주면에는 호스본체(1)의 중심으로 향하여 돌출되는 볼록부(2b)를 형성하였다면, 보강재(2)와 호스본체(1)의 접지면적이 증대하여 양자의 접착강도가 향상된다.In addition, if the convex portion 2b protruding toward the center of the hose main body 1 is formed on the inner circumferential surface of the reinforcing member 2, the grounding area of the reinforcing member 2 and the hose main body 1 increases, so that both the adhesive strengths are increased. Is improved.

그 결과, 호스본체(1)에 대하여 보강재(2)를 강고히 연결할 수 있어, 호스본체(1)로부터 보강재(2)가 박리되지 않는다.As a result, the reinforcing material 2 can be firmly connected to the hose main body 1, and the reinforcing material 2 does not peel off from the hose main body 1.

또한, 상기 실시예에서는 나선보강호스(A)의 외주면(A2)에 일반적인 평밴드(C)를 둘러감아서 체결함으로써 나선보강호스(A)의 한쪽 끝 내주면(A1)을 호스니플(B)에 압접시키는 경우를 나타내었지만, 이것에 한정되지 않고 상술한 일반적인 평밴드(C) 대신에 나선보강호스(A)의 외주면(A2)에 가압변형가능한 파이프를 씌워서 코킹함으로써 나선보강호스(A)의 한쪽 끝 내주면(A1)을 호스니플(B)에 압접시켜서 연결하여도 된다.Further, in the above embodiment, the inner circumferential surface A1 of one end of the spiral reinforcement hose A is connected to the hose nipple B by winding the general flat band C around the outer circumferential surface A2 of the spiral reinforcement hose A. Although the case of press contact was shown, it is not limited to this, but instead of the general flat band C mentioned above, one side of the spiral reinforcement hose A is covered by crimping | compression-coating a pipe which can deform | wrap a pressure-deformable pipe on the outer circumferential surface A2 of the spiral reinforcement hose A. The tip inner peripheral surface A1 may be connected to the hose nipple B by pressure contact.

또한, 호스니플(B)의 축선방향 한쪽 끝에 타기로의 접속을 위한 원통형상의 접속통부(B2)를 일체로 돌출 설치하였지만, 이것에 한정되지 않고 접속통부(B2)를 일체로 돌출 설치하지 않아도 된다.Moreover, although the cylindrical connecting cylinder part B2 for integrally projecting was connected to one end of the hose nipple B in the axial direction, it is not limited to this, It is not necessary to protrude the connecting cylinder part B2 integrally. .

이상 설명한 바와 같이, 본 발명 중 청구항 1, 2기재의 발명은, 보강재가 편평한데다가 바깥둘레가 평활한 접지부를 호스본체의 외주면으로부터 약간 돌출하여 노출시킴으로써 호스본체의 두께 치수가 얇게 성형가능하게 됨과 동시에, 작용시에는 경질합성수지제의 접지부가 접지되고, 게다가 일반적인 평밴드로 호스전체를 체결한 경우에는 연질합성수지제의 호스본체가 탄성변형하여 경질합성수지제의 보강재를 완전히 매몰시켜, 이들 접지부와 호스본체의 외주면이 대략 면일치가 되기 때문에 호스전체의 두께를 얇게 함과 동시에 호스본체를 접지 불가능하게 하면서 일반적인 평밴드로도 호스전체를 균일하게 압축할 수 있다.As described above, the invention of Claims 1 and 2 of the present invention is that the thickness of the hose main body can be made thinner by exposing the grounding part having the flat reinforcement and the outer circumference slightly protruding from the outer circumferential surface of the hose main body. In this case, the grounding part of hard synthetic resin is grounded, and when the whole hose is fastened by a general flat band, the hose body made of soft synthetic resin elastically deforms to completely bury the reinforcing material of hard synthetic resin. Since the outer circumferential surface of the main body is approximately coincided, the entire hose can be uniformly compressed even with a general flat band while making the thickness of the whole hose thin and making the hose main body impossible to ground.

따라서, 호스 외벽면이 파형으로 돌출하는 종래의 것이나 평활한 종래의 것에 비하여, 경량이고 가소성에 우수함과 동시에, 접지시에는 미끄러지기 쉽고 사용편리함이 좋으며, 마모되기 어렵고 수명이 길어 장기간에 걸쳐서 사용할 수 있다.Therefore, the hose outer wall surface has a light weight and excellent plasticity, and is easy to slip and easy to use, and is difficult to wear and has a long life. have.

또한, 일반적인 평밴드에 있어서도 호스니플에 밀착할 수 있어, 호스내를 통과하는 유체의 내압이 높아진 경우에도 유체의 누설이나 호스빠짐이 발생하지 않아 안전하고, 또한 고간인 전용 호스밴드를 사용할 필요도 없으므로 경제적이다.In addition, even in a general flat band, it can be in close contact with the hose nipple, and even when the internal pressure of the fluid passing through the hose is high, fluid leakage and hose dissipation do not occur. It is economical.

청구항 3의 발명은 청구항 1의 발명의 효과에 더하여, 보강재와 호스본체와의 접지면적이 증대하여 양자의 접착강도가 향상되기 때문에 호스본체에 대하여 보강재를 강고히 연결할 수 있다.According to the invention of claim 3, in addition to the effect of the invention of claim 1, since the ground area between the reinforcing material and the hose body is increased and both adhesive strengths are improved, the reinforcing material can be firmly connected to the hose body.

따라서, 호스본체로부터 보강재가 박리되지 않는다.Therefore, the reinforcing material does not peel off from the hose body.

Claims (3)

연질합성수지제의 호스본체(1)에 경질합성수지제의 보강재(2)를 나선상으로 매설한 나선보강호스에 있어서, 상기 보강재(2)의 단면형상을 그 외주면이 평활하게 되도록 호스본체(1)의 축방향으로 편평한 형상으로 형성하고, 이 평활한 외주면 부분을 제외한 대부분이 호스본체(1)의 외주면(1a)에 매설되고, 상기 보강재(2)의 외주면에는 호스본체(1)의 외주면(1a)으로부터 약간 돌출하여 노출되는 평활한 접지부(2a)를 형성한 것을 특징으로 하는 나선보강호스.In the spiral reinforcement hose in which the reinforcement material 2 made of hard synthetic resin is spirally embedded in the hose body 1 made of soft synthetic resin, the cross-sectional shape of the reinforcement material 2 is made so that the outer circumferential surface thereof is smooth. It is formed in a flat shape in the axial direction, and most of the smooth outer circumferential surface portion is embedded in the outer circumferential surface 1a of the hose body 1, and the outer circumferential surface 1a of the hose body 1 is provided on the outer circumferential surface of the reinforcing material 2. Spiral reinforcing hose, characterized in that the smooth ground portion (2a) is formed to protrude slightly from the exposed. 제1항에 있어서, 상기 호스전체의 체결시에는 연질합성수지제의 호스본체(1)가 탄성변형하여 경질합성수지제의 보강재(2)를 완전히 매몰시킨 것을 특징으로 하는 나선보강호스.2. The spiral reinforcing hose according to claim 1, wherein the hose body (1) made of soft synthetic resin is elastically deformed so that the reinforcing member (2) made of hard synthetic resin is completely buried when the whole hose is fastened. 제1항 또는 제2항에 있어서, 상기 보강재(2)의 내주면에만 호스본체(1)의 중심으로 향하여 돌출하는 볼록부(2b) 또는 오목부를 형성하여 호스본체(1)와의 접촉면적을 증대시킨 것을 특징으로 하는 나선보강호스.The convex part 2b or the concave part which protrudes toward the center of the hose main body 1 is formed only in the inner peripheral surface of the said reinforcing material 2, The contact area with the hose main body 1 was increased. Spiral reinforcement hose, characterized in that.
KR10-2000-0046792A 1999-09-10 2000-08-12 Helical reinforcing hose KR100497957B1 (en)

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JP11258071A JP3082856B1 (en) 1999-09-10 1999-09-10 Spiral reinforced hose

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JP6008583B2 (en) * 2012-05-29 2016-10-19 日立アプライアンス株式会社 Flexible hose and vacuum cleaner
JP6324138B2 (en) * 2014-03-25 2018-05-16 フジモリ産業株式会社 Flexible duct for air conditioning

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JPH078528B2 (en) * 1993-02-02 1995-02-01 株式会社トヨックス Method and device for manufacturing hose provided with reinforcing material
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KR100497957B1 (en) 2005-06-29

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