KR20030073825A - Spiral hose having reinforcement member - Google Patents

Abstract

PURPOSE: A spiral hose having a reinforcement member is provided to reinforce the strength of a soft member by coupling the reinforcement member with the upper part of the soft member. CONSTITUTION: A spiral hose is composed of a hard member(100) and a soft member(200). The hard member is wound by the shape of a coil spring, and forms a spiral protrusion(104) and a spiral gap along the outer surface of the hose. The soft member is coupled with the spiral gap in the hard member, and forms a spiral groove along the outer surface of the hose. A reinforcement member is coupled with the upper part of the soft member. Both ends of the reinforcement member are fixed to the hard members to keep the distance between the hard members.

Description

Spiral Hose Having Reinforcement Member

The present invention relates to a spiral hose, and more particularly, in a spiral hose made of a combination of a hard member and a soft member, by combining the reinforcing member along the recessed portion on the upper side of the soft member, to reinforce the strength of the soft member, Reinforcement to prevent the shrinkage / relaxation of the hose caused by suction pressure by maintaining the separation gap between the rigid members arranged along the longitudinal direction of the hose. A spiral hose having a member.

The applicant of the present application constitutes a coil spring-shaped hard member using polyethylene, and uses a spiral hose fixedly coupled to a spiral member formed along the outer surface of the hard member, which is made of polyethylene tarpaulin of peeling, to Utility Model Registration Application No. 2001-22364. I have suggested.

1 and 2 is a view showing an embodiment of a spiral hose according to the utility model registration application, it is composed of a hard member 10 and a soft member 20.

The hard member 10 is a polyethylene material, while being wound in a coil spring shape while maintaining a uniform spacing to form a hose shape having a spiral gap along the outer surface, as shown in Figure 2, a horizontal base ( 12) The protrusions 14 are bent and protruded to form a closed space portion on the upper side of the center, and flanges 12a are formed along both sides of the base 12, respectively.

In addition, the soft member 20 is a strip-shaped polyethylene tarpaulin, the hard member 10 by the way that both edges are fixedly coupled to the bottom surface of the two hard member flanges 12a facing each other based on the gap. It is fixedly coupled along the clearance gap of the spiral formed on the outer surface of the.

In the drawing, the soft member 20 shows an embodiment composed of polyethylene tarpaulin in which a low density polyethylene 22, a polyethylene interwoven fabric 24, a low density polyethylene 26, and a high density polyethylene 28 are sequentially laminated and bonded from the bottom.

Such a spiral hose has a sufficient internal pressure by the polyethylene hard member, and at the same time has a high tension and excellent flexibility by the soft member composed of tarpaulin, and thus has the same internal pressure at a lower cost than the PVC hose. The low weight also provided a spiral hose that is easy to transport and install.

However, the spiral hose as described above has a problem in that the soft member portion having a weak strength is easily pressed by an external force and recessed inside the hose. In particular, when the spiral hose is used as the suction hose, the soft member is sucked by the suction pressure. As the parts are folded, the hard member parts arranged in the longitudinal direction are adsorbed to each other, so that the hose is severely shrunk / relaxed, so that the hose is frequently detached from the position where the hose is installed. There was a problem that the impact is applied and the surface of the hose is scratched to shorten the life of the hose.

In addition, when a spiral hose having a hollow hard member is used as a sewer pipe, the hollow portion of the hard member is pressed and crushed, and its cross-sectional area is narrowed, so that the strength and shape maintaining function and strength of the hose are deteriorated, and in the severe case, the stiff member Is depressed inside the hose, there is a problem to lower the drainage function of the hose.

Accordingly, the present invention has been made in order to solve the conventional problems as described above, in the spiral hose is a rigid member and the soft member is coupled to form a spiral with each other, the spacing between the hard members arranged along the longitudinal direction of the hose By combining the reinforcing member on the upper surface of the soft member so as to keep it firmly, the strength of the soft member is reinforced to improve its durability, and at the same time, the soft member is prevented from being folded even when used as a suction hose. It is a main object to provide a spiral hose having a reinforcing member which can prevent the shrinkage / relaxation of the hose due to pressure, and thus can greatly improve the durability of the hose.

In addition, another object of the present invention, by forming a reinforcing piece for maintaining the gap in the hollow member of the hard member, having a reinforcing member to prevent the crushing of the hard member due to external forces and the resulting degradation and deterioration of drainage To provide a spiral hose.

1 is a perspective view showing an example of a conventional spiral hose,

2 is a partially enlarged cross-sectional view of FIG. 1;

3 is a perspective view showing one embodiment of a spiral hose according to the present invention;

4 is a partial cross-sectional view of FIG.

5 is a partial cross-sectional view showing another embodiment of a spiral hose according to the present invention;

6 to 17 are partial cross-sectional views showing yet another embodiment of the spiral hose according to the present invention, respectively.

<Description of Symbols for Major Parts of Drawings>

100, 110, 120, 130, 140: hard member, 102, 112: flange, 104, 114, 124: protrusion, 135, 145: reinforcement, 200: soft member, 310, 312, 320, 322, 324, 330, 332, 334, 340, 350: flexible cover, 360: flexible hollow body, 370: flexible laminated part, 371: hollow part, 372: core part : Protective cover, 420: Soft cover.

In order to achieve the above object, the present invention is made of a combination of a hard member and a soft member, the hard member is wound in a coil spring shape is configured to form a spiral protrusion along the hose outer surface, the soft member is In the spiral hose is formed along the helical spacing formed by the rigid member, both edges of the helical hose is fixed to each other along the end of the hard member on both sides of the separation gap to form a spiral groove along the outer surface of the hose: The reinforcing member of the flexible material is coupled along the upper portion of the soft member, and both ends of the reinforcing member in the width direction of the reinforcing member are fixed to the adjacent two hard members so as to maintain a gap between the hard members arranged along the longitudinal direction of the hose. .

In addition, according to one aspect of the invention, the reinforcing member is fixed to each other along the upper surface of the pair of hard members, the width direction both ends are located on both sides of the soft member, the width direction is composed of a curved cover bent downward It is characterized by.

In addition, according to another aspect of the present invention, the reinforcing member is composed of a flexible hollow body coupled along a recess formed in the upper portion of the soft member, the outer surface of the both sides of the flexible hollow body is fixedly coupled to the adjacent hard member side wall respectively It is characterized by.

In addition, according to another aspect of the invention, the hard member is configured to have a hollow cross-sectional structure; The reinforcing member is characterized in that it consists of a flexible laminated portion coupled in a manner to fill the lower portion of the groove along the upper surface of the soft member.

Further, according to another aspect of the invention, the hard member is characterized in that the reinforcing piece is formed along the hollow portion while crossing the center of the hollow portion.

Hereinafter, a preferred embodiment of the spiral hose having a reinforcing member according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a perspective view showing one embodiment of a spiral hose having a reinforcing member according to the present invention, Figure 4 is a partial cross-sectional view of Figure 3, as shown, the present invention is a hard member 100, soft member 200 ) And a reinforcing member.

The hard member 100 is a hard resin that is wound in a coil spring shape while maintaining a uniform spacing to form a spiral gap along the outer surface, and a pair of flanges 102 are formed along both ends in the width direction. And its central portion protrudes upward (outwardly relative to the hose body) to have a cross-sectional structure that forms a spiral protrusion 104.

The soft member 200 is fixedly coupled along a spiral spaced gap of the hard member 100 as a strip-shaped resin. That is, the soft member 200 is configured to form spiral grooves along the outer surface of the hose by heat-sealing the edge portions of both sides to the bottom surfaces of the hard member flanges 102 on both sides of the gap.

In addition, the reinforcing member is a member of a flexible material for maintaining the spacing between the hard members 100 arranged at uniform intervals along the length of the hose, it is continuously coupled along the upper portion of the soft member 200. Both ends of the width direction are fixedly coupled to each of the two hard members 100 adjacent thereto by thermal fusion or the like.

In this configuration, the reinforcing member is coupled in such a manner as to connect between the adjacent hard members 100 in the upper portion of the soft member 200, the strength of the portion of the soft member 200 is reinforced to the inside by the external force Depression can be prevented, and also, since the spacing between the hard members 100 is firmly maintained by the reinforcing member, the hose can be prevented from contracting / relaxing in the longitudinal direction even when used as a suction hose. Accordingly, the positional displacement of the hose and the surface scratches can be prevented to greatly improve the durability of the hose.

On the other hand, the hard member 100 is a biaxially oriented polypropylene film (BOPP film: Biaxially Oriented Polypropylene film), polyethylene terephthalate film (PETfilm: Polyethylene Terephthalate film) or high density polyethylene film (HDPE: High Density Polyethylene film) is used Could be. In particular, a high density polyethylene (HDPE) having a density of approximately 0.941 to 0.965 g / cm 2 may be preferably used, and such a high density polyethylene (HDPE) has a tensile strength of 330 to 340 kg / cm 2 which is 2.5 times larger than a low density polyethylene (LDPE). By having strength, that is, almost the same breaking point as the polyethylene interwoven fabric, the shape retaining function of the hose may be effectively achieved.

The soft member 200 is a means for imparting flexibility to the hose, a low density polyethylene film (LDPE film), a non-stretched polypropylene film (CPP film: Casting Polypropylene film), a thermoplastic carbon material (Thermoplastic) Elastomers), polyethylene tarpaulin, soft polyethylene, silicone and the like can be used. In particular, when the hard member 100 is made of high density polyethylene (HDPE), the soft polyethylene single layer structure, the polyethylene tarpaulin single layer structure or the laminated structure of the soft polyethylene / polyethylene tarpaulin so as to obtain a strong bonding force between the same material It will be preferable to configure the soft member 200.

The polyethylene tarpaulin is a low density polyethylene (LDPE) or / and a high density polyethylene (HDPE) coated on at least one side of the polyethylene teaching material, it has a high breaking point and good flexibility compared to the thickness is preferably used in the manufacture of high pressure hose Could be. On the drawing, the soft member 200 shows an example composed of polyethylene tarpaulin in which the low density polyethylene 202, the polyethylene interwoven fabric 204, the low density polyethylene 206, and the high density polyethylene 208 are sequentially laminated and bonded from the bottom.

In the case where high density polyethylene (HDPE) is used as the hard member 100 and polyethylene tarpaulin or / and soft polyethylene is used as the soft member 100, the reinforcing member is also made of polyethylene material. It is preferable to configure so as to obtain a strong bonding force, such a polyethylene material may be used, such as high density polyethylene (HDPE) or low density polyethylene (LDPE) depending on the use of the hose.

On the other hand, the reinforcing member according to the present invention, as shown in Figure 4 and 5, coupled along the upper portion of the soft member 200, a pair of both ends of the width direction is located on both sides of the soft member 200. Each of the rigid members 100 may be fixedly coupled along the upper surface, and may include a curved cover 310 and 312 in which the central portion in the width direction is bent downward. At this time, the center portion in the width direction of the bent cover 310, 312, may be configured to form a gently downward curved shape as shown in Figure 4, to form a sharply bent shape as shown in FIG. It may be configured.

6 to 8 is a partial cross-sectional view showing another embodiment of the present invention, coupled to the reinforcing member of another shape to the spiral hose made of a combination of the rigid member 110 and the soft member 200 of the hollow cross-sectional structure The illustrated embodiments are shown.

That is, the bent cover 320, 322, 324 is coupled along the upper portion of the soft member 200, the bent cover 320, 322, 324, both ends in the width direction of the soft member 200. A pair of hard members 110 positioned on both sides may be fixedly coupled to each other, and may be configured to be fixedly coupled to an upper surface of the soft member 200 positioned below the central portion in the width direction in a downwardly curved state.

The curved cover 320 in FIG. 6 illustrates an example in which a central portion of the curved cover 320 is gently curved in a wide width to the upper surface of the soft member 200, and the curved cover 322 in FIG. FIG. 8 illustrates an example in which the central portion in the width direction is sharply bent twice and fixedly coupled to the upper surface of the soft member 200 in a wide width, and the curved cover 324 in FIG. It shows an example in which the bending point portion is fixedly coupled to the upper surface of the soft member 200 in the state.

9 to 11 is a partial cross-sectional view showing another embodiment of the present invention, in the spiral hose coupled to the soft member 200 to both ends 122 of the bottom surface of the rigid member 120 having a hollow cross-sectional structure, the present invention It shows an embodiment of combining the reinforcing member according to.

That is, the bent cover 330, 332, 334 is coupled along the upper portion of the soft member 200, the bent cover 330, 332, 334, the both ends of the width direction in the soft member 200 Each side is fixedly coupled between the edge portions of both sides and the ends of both sides of the hard member 120 coupled to the upper portion, and the central portion in the width direction thereof is protruded and bent upward to form a ridge.

9 illustrates an example in which the curved cover 330 is configured to form an upwardly protruding ridge while the central portion in the width direction is smoothly curved. The curved cover 332 in FIG. FIG. 11 is a view illustrating an example configured to form an upwardly protruding ridge in a state of being bent twice sharply, and the bent cover 334 in FIG. An example configured to form a part is shown.

12 and 13 are views showing another embodiment in which the reinforcing member according to the present invention is coupled to a spiral hose composed of the hard member 120 and the soft member 200, respectively, the reinforcing member according to the present invention, FIG. As shown in FIG. 12, both ends of the width direction thereof are fixedly coupled to both ends of the exposed surface of the soft member 200, and at the same time, the center portion of the width direction is gently bent upwards to form a bent cover 340. As shown in FIG. 13, both widthwise ends thereof are fixedly coupled to the lower sidewalls of the pair of hard members 120 positioned at both sides of the soft member 200, and the widthwise center portion thereof It may be composed of a bending cover 350 that is bent upward to form a ridge.

Figure 14 shows another embodiment of the spiral hose having a reinforcing member according to the present invention, the flexible hollow body 360 in the spiral hose made of a combination of the rigid member 110 and the soft member 200 of the hollow cross-sectional structure It shows an embodiment combining the reinforcing member consisting of).

The flexible hollow body 360 is a flexible member having a lateral cross-section thereof in a hollow shape, and is coupled along a recess formed in the upper portion of the soft member 200. It is configured to be fixedly coupled to the wall. In this case, it may be preferable to configure the flexible resin material so that the flexibility of the flexible member 200 and the flexibility of the spiral hose are not reduced by the coupling of the flexible hollow body 360. In addition, when both sides of the outer side of the flexible hollow body 360 is fixedly coupled to the adjacent side wall of the hard member 120, and the outer bottom is fixed to the upper surface of the soft member 200, the flexible hollow body ( 360 may further improve the binding safety.

In such a configuration, by the elastic force of the flexible hollow body 360 of the hollow cross-section structure, the spacing between the hard member 120 is elastically maintained, thereby improving the strength of the soft member 200, It is possible to more effectively maintain the shrinkage / relaxation of the spiral hose by the suction pressure.

When the flexible hollow body 360 is coupled along the recessed portion of the upper side of the soft member 200 as described above, foreign matter is caught in the gap between the flexible hollow body 360 and the hard member 120 to reduce the flexibility of the spiral hose. You can. Therefore, when combining the flexible hollow body 360 as described above, by further combining the protective cover 410 having flexibility on the upper surface, it is configured to prevent the inflow of foreign matters and the resulting degradation of flexibility Would be desirable.

At this time, the protective cover 410 should be made of a flexible resin, so as not to reduce the flexibility of the spiral hose due to the protective cover 410, a flexible soft polyethylene monolayer structure or a polyethylene tarpaulin monolayer structure or Laminated structures of soft polyethylene / polyethylene tarpaulin may be preferably used. In addition, the protective cover 410 may be configured to cover only the recessed portion of the upper side of the flexible hollow body 360 while winding in a spiral direction, for the hose appearance and close coupling force, as shown, the protective cover It is preferable that the 410 is configured to cover both the flexible hollow body 360 and the upper surface of the hard member 120 while spirally winding.

Figure 15 shows another embodiment of the spiral hose according to the present invention, in the spiral hose made of a combination of the hard member 130 and the soft member 200 of the hollow cross-sectional structure, the reinforcing member is the soft member Along the upper surface 200, an embodiment consisting of a flexible laminated portion 370 is fixedly coupled in a manner to fill the lower recess portion.

The flexible laminated portion 370 coupled as described above is tightly coupled to the upper surface of the soft member 200 to improve the strength of the soft member 200 itself, and also prevents the soft member 200 from being folded. It keeps the gap between them evenly. As the flexible laminate 370, soft polyethylene having good flexibility and adhesion may be preferably used.

In particular, the flexible laminated portion 370, rather than a structure in which the hard member 130 side wall surface and the soft member 200 upper surface is vertically coupled, as shown in Figure 15, the hard member 130 side wall surface and soft It is more preferable to apply to a structure in which the upper surface of the member 200 forms an acute angle and is bonded, because a wider contact surface can be formed with the same amount of soft polyethylene, thereby greatly improving its adhesion and bonding force.

Further, in the center of the flexible laminate 370 coupled along the lower portion of the recess of the spiral hose, as shown in FIG. 15, the soft member is continuously formed along the flexible laminate 370 along the hollow member 371. The flexibility of the portion 200 may be increased, or as shown in FIG. 16, the soft member 200 may be inserted into and coupled to the reinforcing core 372 in a hollow portion continuously formed along the flexible laminate 370. The strength of the site may be further enhanced. The formation of the hollow portion 371 and the coupling of the reinforcing core 372 may be selectively applied depending on the use of the spiral hose. In addition, when the flexible laminate 370 is composed of soft polyethylene, it may be preferable to configure the reinforcing core 372 with high density polyethylene (HDPE) so as to obtain a strong bonding force by the same material. .

In addition, in the spiral hose having the flexible laminated portion 370 as described above, by combining the band-shaped soft cover 420 along the upper end portion of the groove portion to block the inside of the groove portion, foreign matter is introduced into the groove portion. It may be desirable to prevent the inflow of the hose to be reduced due to the introduction of foreign matters. At this time, the band-shaped soft cover 420 may be coupled in a manner that both ends in the width direction is fixed along the upper side of each of the two hard members 100 in the groove portion. As such a soft cover 420, it is preferable to use a flexible polyethylene monolayer structure, a polyethylene tarpaulin monolayer structure or a laminated structure of soft polyethylene / polyethylene tarpaulin with good flexibility so that the flexibility of the portion of the soft member 200 is not lowered. will be.

In addition, in the configuration of the spiral hose according to the present invention, when using the hard member 130 of the hollow cross-section, the reinforcing piece 135 that crosses the center of the hollow portion of the hard member 130 is continuously formed along the hollow portion By doing so, it will be more preferable to configure so as to reinforce the inner and outer strength of the hard member 100.

17 is a partial cross-sectional view showing another embodiment according to the present invention, a flexible laminated portion 370, reinforcement in a spiral hose made of a combination of the hard member 140 and the soft member 200 made of a hexagonal cross-sectional structure The core material 372, the soft cover 420, and the reinforcing piece 145 are shown to be combined, and the effect of each component is the same as in FIG. 16.

As can be seen by the above embodiments, according to the spiral hose having a reinforcing member according to the present invention, in the spiral hose made of a combination of a hard member and a soft member, both sides of the hard member along the recessed portion on the upper side of the soft member As the reinforcing member is coupled in such a manner that the reinforcing member is coupled, the strength of the soft member is reinforced, and the separation interval between the hard members arranged along the longitudinal direction of the hose can be maintained firmly, so that the contraction / relaxation phenomenon of the hose due to suction pressure is maintained. It is prevented and, accordingly, there is an effect that can greatly improve the durability and marketability of the hose.

In addition, according to the present invention, the reinforcing pieces across the hard member hollow portion is coupled along the hollow portion, thereby preventing the crushing of the hard member due to external force and the resulting decrease in strength and drainage function.

The spiral hose having a reinforcing member according to embodiments of the present invention has been described above, but the present invention is not limited thereto, and various modifications and applications will be possible to those skilled in the art.

Claims (16)

Consists of a combination of a hard member and a soft member, the hard member is wound in a coil spring shape is configured to form a spiral protrusion along the outer surface of the hose, the soft member is coupled along the spiral spacing formed by the hard member In a spiral hose, wherein both rims are fixedly coupled along end portions of the hard members on both sides of the gap so as to form spiral grooves along the outer surface of the hose. The reinforcing member of the flexible material is coupled along the upper portion of the soft member, characterized in that both ends of the width direction of the reinforcing member is fixedly coupled to both adjacent hard members so as to maintain a gap between the hard members arranged along the hose length direction. Spiral hose having a reinforcing member. The method of claim 1, The hard member and the reinforcing member is made of a polyethylene material, the soft member is a spiral hose having a reinforcing member, characterized in that it comprises at least one material of polyethylene tarpaulin and soft polyethylene. The method according to claim 1 or 2, The reinforcing member has a reinforcing member, characterized in that the width direction both ends are fixedly coupled along the upper surface of the pair of hard members located on both sides of the soft member, the width cover is composed of a curved cover bent downwardly. Spiral hose. The method of claim 3, wherein The curved cover is a spiral hose having a reinforcing member, characterized in that the downwardly curved central portion is fixedly coupled to the upper surface of the soft member positioned below. The method according to claim 1 or 2, The reinforcing member is a bent cover that is fixed at both ends of the width direction at both ends of the flexible member and the ends of the both sides of the hard member coupled to the upper portion, the width direction central portion is bent upward to form a ridge Spiral hose having a reinforcing member, characterized in that configured. The method according to claim 1 or 2, The reinforcement member has a reinforcement member, characterized in that the width direction both ends are fixedly coupled to the upper surface of both ends of the exposed surface of the soft member, respectively, the width direction central portion is bent upwards to form a ridge portion Spiral hose. The method according to claim 1 or 2, The reinforcing member is configured as a bent cover, wherein both ends of the width direction thereof are fixedly coupled to a lower portion of the side wall surface of the pair of hard members positioned on both sides of the soft member, and the center portion of the width direction is bent upward to form a ridge. Spiral hose having a reinforcing member, characterized in that. The method according to claim 1 or 2, The reinforcing member is composed of a flexible hollow body coupled along the recess formed in the upper portion of the soft member, the outer side of the flexible hollow body having a reinforcing member having a reinforcing member, characterized in that each is fixedly coupled to the adjacent hard member side wall surface hose. The method of claim 8, Along the outer side of the rigid member and the flexible hollow body, a flexible protective cover is coupled to form a hose outer surface, characterized in that configured to form a hose outer surface. The method of claim 9, Spiral hose having a reinforcing member, characterized in that the protective cover comprises at least one material of polyethylene tarpaulin and soft polyethylene. The method according to claim 1 or 2, The hard member is configured to have a hollow cross-sectional structure; The reinforcing member is a spiral hose having a reinforcing member, characterized in that the flexible laminated portion is coupled along the upper surface of the soft member, in a manner to fill the lower groove. The method of claim 11, Spiral hose having a reinforcing member, characterized in that the hollow portion is formed along the center of the flexible laminated portion. The method of claim 12, Spiral hose having a reinforcing member, characterized in that the reinforcing core material is coupled to the hollow portion formed in the flexible laminated portion. The method of claim 13, The flexible laminate is made of soft polyethylene, the core material is a spiral hose having a reinforcing member, characterized in that made of high density polyethylene (HDPE). The method of claim 11, Spiral hose having a reinforcing member, characterized in that a band-shaped soft cover is provided on the upper portion of the groove portion, both ends of the soft cover are fixed to each other along the upper side of the hard member on both sides of the groove portion. The method of claim 11, The hard member is a spiral hose having a reinforcing member, characterized in that the reinforcing piece is formed along the hollow portion while crossing the center of the hollow portion.