CN219954675U

CN219954675U - Composite hose

Info

Publication number: CN219954675U
Application number: CN202320666285.7U
Authority: CN
Inventors: 汤悦洋
Original assignee: Wujiang Yuanda Polymer Trade Co ltd
Current assignee: Wujiang Yuanda Polymer Trade Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2023-11-03
Anticipated expiration: 2032-06-21
Also published as: CN218564757U; CN219530215U

Abstract

The utility model discloses a composite hose which comprises an outer pipe and an inner pipe, wherein the outer pipe is sleeved outside the inner pipe, the inner wall of the outer pipe is attached to the outer wall of the inner pipe, a plurality of through holes are formed in the outer pipe or the inner pipe at intervals, the through holes penetrate through the thickness direction of the outer pipe or the inner pipe, and the through holes are arranged along the length direction of the outer pipe and the inner pipe. According to the composite hose, the outer pipe is arranged outside the inner pipe, and the plurality of through holes are formed in the outer pipe or the inner pipe at intervals, so that the bending property of the composite hose is improved, the situation that the composite hose collapses during bending is prevented, the smooth circulation of fluid in the inner pipe is kept, and the use is convenient.

Description

Composite hose

The utility model relates to a split application of a Chinese utility model patent application with 2022, 6, 21, 202221552565.7 and a composite hose.

Technical Field

The utility model relates to the technical field of pipeline equipment, in particular to a composite hose.

Background

Plastic hoses are widely used in daily life, and can be used for connecting pipelines or connecting pipelines and equipment, so that the hoses are often bent, and the bending performance of the hoses is particularly important. In the prior art, the plastic hose is easy to collapse when being bent, so that liquid or other substances flowing in the pipeline cannot flow smoothly, and the hose cannot be normally used.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing a plastic composite hose which has better bending property and prevents the hose from collapsing when being bent.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:

the utility model provides a compound hose, includes outer tube and inner tube, the outer tube cover is established the outside of inner tube, the inner wall of outer tube with the outer wall laminating of inner tube, outer tube or inner tube are spaced apart to be equipped with a plurality of openings, the opening runs through the thickness direction of outer tube or inner tube, a plurality of the opening is followed the length direction of outer tube and inner tube is arranged. Fluid is circulated within the inner tube.

Through set up the outer tube in the intraductal outside, the outer tube can play the guard action to a plurality of openings are offered to the interval on outer tube or inner tube, can make the whole compliance of compound hose better, and then prevent that this compound hose from appearing the condition that collapses when bending, keep the unobstructed circulation of interior fluidic of inner tube, facilitate the use.

According to some preferred embodiments of the utility model, the inner tube has an outer diameter greater than or equal to the inner diameter of the outer tube. In some embodiments of the present utility model, the composite hose is made of plastic, and the inner tube is extruded into the outer tube, so that the outer tube and the inner tube are tightly attached to each other, and the inner tube can be firmly connected without adhesion. In addition, the length extension direction of the outer tube is the same as that of the inner tube.

Preferably, in some embodiments of the present utility model, the outer tube is provided with a plurality of said through openings at intervals. When the outer tube is provided with a through hole:

according to some preferred embodiments of the utility model, the length of the through opening is smaller than the circumferential length of the outer tube.

According to some preferred embodiments of the utility model, the plane of each of the through openings is perpendicular to the length extension direction of the outer tube. That is, each through hole is formed along the circumferential direction of the outer tube, but each through hole is not formed around the outer tube, but a certain distance is reserved on the outer tube, and the through holes are not formed. In some embodiments of the present utility model, the through hole forms a virtual circle with one or two notches around the center of the outer tube, and when the virtual circle has two notches, the virtual circle is equivalent to dividing one through hole into two parts, and the parts of the outer tube corresponding to the two notches play a role of connecting the two parts of the through hole.

According to some preferred embodiments of the present utility model, the plurality of through holes are uniformly spaced along the length direction of the outer tube, and the plurality of through holes are parallel to each other.

According to some preferred embodiments of the present utility model, each of the through holes has a width of 0.1-100mm, and a distance between two adjacent through holes is 1-100mm, and too large or too small a distance between two adjacent through holes is not beneficial to improving the bending property of the hose. Specifically, the width of each through hole is preferably 5-30mm; the distance between two adjacent openings is preferably 20-50mm.

According to some preferred embodiments of the utility model, the ratio of the sum of the widths of the plurality of through openings to the length of the outer tube is less than 90%, preferably 30% -60%, which is advantageous for improving the bending properties of the whole composite hose.

According to some preferred embodiments of the utility model, a tie layer is included between the outer tube and the inner tube, the tie layer being used to bond the outer tube and the inner tube. In some embodiments of the present utility model, a tie layer may also be provided between the outer tube and the inner tube to bond the two together to ensure the integrity of the overall composite hose, which may be hot melt bonding, glue bonding or other bonding means.

According to some preferred embodiments of the utility model, the outer tube is provided with a hole, the hole is provided with a hole overlapping portion, and the hole is provided with a hole overlapping portion. In other embodiments of the present utility model, the outer tube may be further covered with a covering plastic by hot pressing the corresponding outer covering layer at the through hole inwards to make it fit with the part of the inner tube exposed at the through hole, while the rest part still fits tightly with the outer tube, so as to firmly fix the outer tube and the inner tube together.

Preferably, in some embodiments of the present utility model, a plurality of said through openings may be provided in the inner tube at intervals, while no openings are provided in the outer tube. When the inner pipe is provided with a through hole:

according to some preferred embodiments of the utility model, the length of the through opening is smaller than the circumference of the inner tube.

According to some preferred embodiments of the utility model, the plane of each of the through openings is perpendicular to the length extension direction of the inner tube. That is, each through hole is formed along the circumferential direction of the inner tube, but each through hole is not formed around the inner tube, but a certain distance is reserved on the inner tube, and the through holes are not formed. In some embodiments of the present utility model, the through hole forms a virtual circle with one or two notches around the center of the inner tube, and when the virtual circle has two notches, the virtual circle is equivalent to dividing one through hole into two parts, and the parts of the outer tube corresponding to the two notches play a role of connecting the two parts of the through hole.

According to some preferred embodiments of the present utility model, the plurality of through holes are uniformly spaced along the length direction of the inner tube, and the plurality of through holes are parallel to each other.

According to some preferred embodiments of the utility model, the ratio of the sum of the widths of the plurality of through openings to the length of the inner tube is less than 90%, preferably 30% -60%, which is advantageous for improving the bending properties of the whole composite hose.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following advantages: according to the composite hose, the outer pipe is arranged outside the inner pipe, and the plurality of through holes are formed in the outer pipe or the inner pipe at intervals, so that the bending property of the composite hose is improved, the situation that the composite hose collapses during bending is prevented, the smooth circulation of fluid in the inner pipe is kept, and the use is convenient.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic front view of a composite hose according to a first embodiment of the present utility model;

FIG. 2 is a schematic longitudinal cross-sectional view of FIG. 1;

FIG. 3 is a schematic front view of a composite hose according to a second embodiment of the present utility model;

FIG. 4 is a schematic longitudinal cross-sectional view of FIG. 3;

FIG. 5 is a schematic front view of a third embodiment of a composite hose;

FIG. 6 is a schematic longitudinal cross-sectional view of FIG. 5;

FIG. 7 is a schematic diagram showing a front view of an inner tube according to a fourth embodiment of the present utility model;

FIG. 8 is a schematic diagram of a front view of an inner tube according to a fifth embodiment of the present utility model;

FIG. 9 is a schematic front view of an inner tube according to a sixth embodiment of the present utility model;

wherein, outer tube-1, through port-11, first portion-111, first connecting portion-12, second connecting portion-13, inner tube-2.

Detailed Description

The present utility model will be described in detail with reference to the drawings and the detailed description, so that the above objects, features and advantages of the present utility model can be more clearly understood. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

The preferred embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

Embodiment one:

as shown in fig. 1 and 2 (fig. 2 is a view taken from top to bottom in the front view of fig. 1), the composite hose of the present embodiment includes an outer tube 1 and an inner tube 2, the outer tube 1 is sleeved outside the inner tube 2, and fluid circulates in the inner tube 2. Wherein, the external diameter of inner tube 2 is greater than or equal to the internal diameter of this outer tube 1, through squeezing into the outer tube 1 with inner tube 2 for interconnect and closely laminating between outer tube 1 and the inner tube 2, guarantee the compactness of whole hose, the later stage of being convenient for is buckling of hose when using.

Specifically, the outer tube 1 is provided with a plurality of parallel through holes 11 at equal intervals, the length of each through hole 11 is smaller than the circumference of the outer tube 1, the plane of each through hole 11 is perpendicular to the length extending direction of the outer tube 1, that is, each through hole 11 is provided along the circumference of the outer tube 1, the depth of each through hole 11 is equal to the wall thickness of the outer tube 1, and the through holes 11 are arranged along the length direction of the outer tube 1.

Further, the outer tube 1 further includes a plurality of first connecting portions 12 that even interval set up, and a through hole 11 is corresponding to every first connecting portion 12, and a plurality of first connecting portions 12 all are located same horizontal line (be on a parallel with the axial of outer tube 1), and this first connecting portion 12 is used for connecting the both ends of through hole 11, guarantees that outer tube 1 is whole (outer tube 1 is a rectangle working of plastics before forming a cylindrical pipeline, and the setting of first connecting portion 12 is equivalent to reserve the hookup location for this rectangle working of plastics roll up into cylindrical pipeline), and then is convenient for equipment between outer tube 1 and the inner tube 2.

The length of the outer tube 1 and the length of the inner tube 2 of the embodiment are the same, the width of each through hole 11 on the outer tube 1 is 10mm, the distance between two adjacent through holes 11 is 30mm, the number of the through holes 11 and the distance between two adjacent through holes 11 are designed reasonably according to the length of the whole outer tube 1, and the effect of improving the bending property of the whole composite hose can be achieved.

Embodiment two:

as shown in fig. 3 and 4 (fig. 4 is obtained by cutting the tube from top to bottom in the front view direction of fig. 3), the composite hose of the present embodiment is different from the first embodiment in that the outer tube 1 includes a plurality of first connection portions 12 and second connection portions 13, the connection line between one first connection portion 12 and one second connection portion 13 corresponding to the same through hole 11 is perpendicular to the axial direction of the outer tube 1, the plurality of first connection portions 12 are uniformly spaced and are all located on one horizontal line (parallel to the axial direction of the outer tube 1), and the plurality of second connection portions 13 are uniformly spaced and are all located on the other horizontal line (parallel to the axial direction of the outer tube 1). The first connection portion 12 and the second connection portion 13 corresponding to each through hole 11 divide one through hole 11 into a first portion 111 and a second portion, wherein the first connection portion 12 is used for connecting one end of the first portion 111 and one end of the second portion, which are close to each other, and the second connection portion 13 is used for connecting the other end of the first portion 111 and the other end of the second portion, which are close to each other.

Embodiment III:

as shown in fig. 5 and 6 (fig. 6 is obtained by cutting the composite hose from top to bottom in the front view direction of fig. 5), the composite hose of the present embodiment is different from the first embodiment in that the outer tube 1 further includes a plurality of second connecting portions 13, in addition, the plurality of first connecting portions 12 are uniformly spaced apart and located in the same horizontal direction (parallel to the axial direction of the outer tube 1), the plurality of second connecting portions 13 are also uniformly spaced apart and located in the same horizontal direction (parallel to the axial direction of the outer tube 1), and the first connecting portions 12 and the second connecting portions 13 are respectively located on two adjacent through holes 11, that is, the first through hole 11 has one first connecting portion 12, and the first connecting portion 12 is used for connecting two ends of the first through hole 11; the second port 11 has a second connection portion 13, and the second connection portion 13 is used for connecting two ends of the second port 11. And the horizontal direction of the first connecting portion 12 is not coincident with the horizontal direction of the second connecting portion 13.

The composite hose of the above embodiments one to three may include only the outer tube 1 and the inner tube 2; a connecting layer (not shown) can be added between the outer tube 1 and the inner tube 2 for bonding the outer tube 1 and the inner tube 2; an outer wrapping layer (not shown) can be sleeved outside the outer tube 1, and the outer tube 1 and the inner tube 2 are fixed in a plastic sleeving manner, so that the inner wall of the overlapping part of the outer wrapping layer and the through hole 11 is attached to the outer wall of the inner tube 2, and the inner wall of the remaining part of the outer wrapping layer is attached to the outer wall of the outer tube 1.

Embodiment four:

as shown in fig. 7, the composite hose of the present embodiment is different from the first embodiment in that a plurality of through holes 11 are formed in the inner tube 2, and the outer tube 1 is complete without the through holes 11.

Fifth embodiment:

as shown in fig. 8, the composite hose of the present embodiment is different from the embodiment in that a plurality of through holes 11 are formed in the inner tube 2, and the outer tube 1 is complete without the through holes 11.

Example six:

as shown in fig. 9, the composite hose of the present embodiment is different from the embodiment in that a plurality of through holes 11 are formed in the inner tube 2, and the outer tube 1 is complete without the through holes 11.

The composite hose of the fourth to sixth embodiments described above may include only the outer tube 1 and the inner tube 2; a connecting layer (not shown) may be added between the outer tube 1 and the inner tube 2 for fixing the connection between the outer tube 1 and the inner tube 2 and facilitating the sealing of the inner tube 2.

In summary, the composite hose of the present utility model has the following advantages:

1. by arranging the outer tube 1 outside the inner tube 2, the outer tube 1 can protect and support the inner tube 2;

2. the plurality of through openings 11 which are formed in the outer tube 1 or the inner tube 2 at intervals are beneficial to improving the bending property of the composite hose, so that the situation that the composite hose collapses when being bent is prevented, the smooth circulation of fluid in the inner tube 2 is kept, and the use is convenient.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The composite hose is characterized by comprising an outer pipe and an inner pipe, wherein fluid circulates in the inner pipe, the outer pipe is sleeved outside the inner pipe, the inner wall of the outer pipe is attached to the outer wall of the inner pipe, a plurality of through holes are formed in the inner pipe at intervals, the through holes penetrate through the thickness direction of the inner pipe, and the through holes are arranged along the length direction of the inner pipe; the plane of each through hole is perpendicular to the length extending direction of the inner pipe; the inner tube includes a plurality of first connecting portions that evenly spaced set up and a plurality of second connecting portions that evenly spaced set up, first connecting portion are located the one end of opening.

2. The composite hose of claim 1, wherein the first connection portions alternate with the second connection portions; the first connecting portion is used for connecting two ends of one of the two adjacent through holes, and the second connecting portion adjacent to the first connecting portion is used for connecting two ends of the remaining one of the two adjacent through holes.

3. The composite hose of claim 1, wherein the through-hole comprises a first portion and a second portion, the first connecting portion is configured to connect one end of the first portion and the second portion that are adjacent to each other, the second connecting portion is configured to connect the other end of the first portion and the second portion that are adjacent to each other, and the first connecting portion and the second connecting portion corresponding to the same through-hole are located in the same vertical direction perpendicular to the inner tube.

4. The composite hose of claim 1, wherein the outer diameter of the inner tube is greater than or equal to the inner diameter of the outer tube.

5. The composite hose of claim 1, wherein the length of the port is less than the circumferential length of the inner tube.

6. The composite hose of claim 1, wherein a plurality of said through openings are uniformly spaced along the length of said inner tube, and wherein a plurality of said through openings are parallel to one another.

7. The composite hose of claim 1, wherein each of said through openings has a width of 0.1-100mm, a distance between two adjacent ones of said through openings is 1-100mm, and a ratio of a sum of widths of a plurality of said through openings to a length of said inner tube is less than 90%.

8. A composite hose according to claim 7, wherein each of said through openings has a width of 5-30mm, the distance between two adjacent through openings preferably being 20-50mm, the ratio of the sum of the widths of the plurality of through openings to the length of the inner tube being 30% -60%.

9. The composite hose of claim 1, including a tie layer between the outer tube and the inner tube, the tie layer being for bonding the outer tube and the inner tube.