CN218564757U

CN218564757U - Composite hose

Info

Publication number: CN218564757U
Application number: CN202221552565.7U
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: 2023-03-03
Anticipated expiration: 2032-06-21
Also published as: CN219530215U; CN219954675U

Abstract

The utility model discloses a composite hose, including outer tube and inner tube, the outer pipe box is established the outside of inner tube, the inner wall of outer tube with the outer wall laminating of inner tube, a plurality of openings have been seted up at outer tube or inner tube interval, the opening runs through the thickness direction of outer tube or inner tube, it is a plurality of the opening is followed the length direction of outer tube and inner tube is arranged. The utility model discloses a composite hose is through setting up the outer tube in the inner tube outside to a plurality of openings are seted up at the interval on outer tube or inner tube, are favorable to promoting composite hose's bending nature, and then prevent that this composite hose from the flat condition of collapsing appearing when bending, with the unobstructed circulation of the interior fluid of keeping pipe, convenient to use.

Description

Composite hose

Technical Field

The utility model relates to a piping installation technical field especially relates 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, and the like, so that the hoses are required to be bent frequently, and the bending performance is particularly important. The plastic hose in the prior art is easy to collapse when being bent, so that liquid or other substances circulating in the pipeline cannot smoothly circulate, and the hose cannot be normally used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a compound hose of plastics, it has better bending nature, appears flat when preventing that the hose from bending and collapsing.

For solving the technical problem, the utility model discloses the technical scheme who takes as follows:

the utility model provides a composite hose, includes outer tube and inner tube, the outer pipe box is established the outside of inner tube, the inner wall of outer tube with the outer wall laminating of inner tube, a plurality of openings have been seted up at outer tube or inner tube interval, the opening runs through the thickness direction of outer tube or inner tube, it is a plurality of the opening is followed the length direction of outer tube and inner tube is arranged. Fluid circulates within the inner tube.

Through setting up the outer tube in outer tube portion, the outer tube can play the guard action to the inner tube to a plurality of openings are seted up at the interval on outer tube or inner tube, can be so that the whole compliance of compound hose is better, and then prevent that this compound hose from the flat circumstances of collapsing appearing when bending, keep the unobstructed circulation of the interior fluidic of pipe, convenient to use.

According to some preferred aspects of the invention, the outer diameter of the inner tube is greater than or equal to the inner diameter of the outer tube. The utility model discloses an in some embodiments, composite hose's material is plastics, because plastic hose has certain pliability, the accessible with the inner tube squeeze into the outer tube for laminate between outer tube and the inner tube more closely, need not the bonding and just can firmly be connected. In addition, the outer tube and the inner tube have the same length extending direction.

Preferably, in some embodiments of the present invention, the outer tube is provided with a plurality of said through openings at intervals. When the opening has been seted up on the outer tube:

according to some preferred aspects of the invention, the length of the through opening is less than the circumference of the outer tube.

According to some preferred embodiments of the invention, each of the through openings is located in a plane perpendicular to a direction of extension of the length of the outer tube. That is, each through opening is opened along the circumference of the outer tube, but each through opening is not wound around the outer tube for one circle, but a distance is left on the outer tube without opening the through opening. The utility model discloses an in some embodiments, the opening forms the virtual circular shape that has a breach or two breachs around the centre of a circle of outer tube, when virtual circular shape has two breachs, is equivalent to cut apart into two parts with an opening, and the part of the outer tube that two breachs correspond plays the effect of connecting two parts of opening.

According to some preferred aspects of the invention, a plurality of the openings are arranged along the length direction of the outer tube at even intervals, and a plurality of the openings are parallel to each other.

According to some preferred embodiments of the present invention, each of the openings has a width of 0.1-100mm, and the distance between two adjacent openings is 1-100mm, and the distance between two adjacent openings is too large or too small to facilitate the bending of the hose. Specifically, the width of each through opening is preferably 5-30mm; the distance between two adjacent through openings is preferably 20-50mm.

According to some preferred implementation aspects of the present invention, 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% to 60%, which is favorable for improving the flexibility of the whole composite hose.

According to some preferred aspects of the present invention, the outer tube and the inner tube are bonded to each other by a bonding layer. In some embodiments of the utility model, the connecting layer can be arranged between the outer pipe and the inner pipe to bond the outer pipe and the inner pipe so as to ensure the compactness of the whole composite hose, and the connecting layer can be hot melt bonding, glue bonding or other bonding modes.

According to some preferred implementation aspects of the utility model, including the surrounding layer, the surrounding layer cover is established the outside of outer tube, the surrounding layer with opening coincidence's inner wall with the outer wall laminating of inner tube, the remaining part's of surrounding layer inner wall with the outer wall laminating of outer tube. The utility model discloses a in other some embodiments, can also utilize the cover to mould fixed mode, cover in the outside of outer tube and mould, the cladding layer that will lead to the department through the hot pressing and correspond inwards compresses and makes it laminate with the partial inner tube that exposes in logical department, and all the other parts still closely laminate with the outer tube to firmly fix outer tube and inner tube together.

Preferably, in some embodiments of the present invention, a plurality of the through openings may be provided at intervals on the inner tube, and the through openings are not provided on the outer tube. When opening on interior pipe:

according to some preferred aspects of the invention, the length of the opening is less than the circumference of the inner tube.

According to some preferred embodiments of the present invention, each of the through openings is formed in a plane perpendicular to a length extending direction of the inner tube. That is, each opening is opened along the circumference of the inner tube, but each opening does not go around the circumference of the inner tube, but leaves a distance from the inner tube without opening the opening. The utility model discloses an in some embodiments, the opening forms the virtual circular shape that has a breach or two breachs around the centre of a circle of inner tube, when virtual circular shape has two breachs, is equivalent to cut apart into two parts with an opening, and the part of the outer tube that two breachs correspond plays the effect of connecting two parts of opening.

According to some preferred aspects of the invention, a plurality of the through openings are arranged along the length direction of the inner tube at even intervals, and a plurality of the through openings are parallel to each other.

According to some preferred implementation aspects of the present invention, 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% to 60%, which is favorable for improving the flexibility of the whole composite hose.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the advantages of as follows: the utility model discloses a composite hose is through setting up the outer tube in the inner tube outside to a plurality of openings are seted up at the interval on outer tube or inner tube, are favorable to promoting composite hose's bending nature, and then prevent that this composite hose from the flat condition of collapsing appearing when bending, with the unobstructed circulation of the interior fluid of keeping pipe, convenient to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic front view of a composite hose according to an embodiment of the present invention;

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 invention;

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

fig. 5 is a schematic front view of a composite hose according to a third embodiment of the present invention;

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

fig. 7 is a schematic front view of an inner tube in the fourth embodiment of the present invention;

fig. 8 is a schematic front view of an inner tube in the fifth embodiment of the present invention;

fig. 9 is a schematic front view of an inner tube in the sixth embodiment of the present invention;

the pipe comprises an outer pipe-1, a through opening-11, a first part-111, a first connecting part-12, a second connecting part-13 and an inner pipe-2.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2 (fig. 2 is obtained by longitudinally cutting along the main view direction of fig. 1 from top to bottom), the composite hose of the present embodiment includes an outer tube 1 and an inner tube 2, the outer tube 1 is sleeved on the outer portion of the inner tube 2, and fluid circulates in the inner tube 2. Wherein, the external diameter of inner tube 2 is more than or equal to the internal diameter of this outer tube 1, through crowding inner tube 2 into outer tube 1 for interconnect and closely laminate between outer tube 1 and the inner tube 2 guarantee the rigidness of whole hose, the later stage of being convenient for when using the buckling of hose.

Specifically, a plurality of mutually parallel through openings 11 are formed in the outer tube 1 at regular intervals, the length of each through opening 11 is smaller than the circumference of the outer tube 1, the plane of each through opening 11 is perpendicular to the length extending direction of the outer tube 1, that is, each through opening 11 is formed along the circumferential direction of the outer tube 1, the depth of each through opening 11 is equal to the wall thickness of the outer tube 1, and the through openings 11 are arranged along the length direction of the outer tube 1.

Further, outer tube 1 still includes the first connecting portion 12 that a plurality of even intervals set up, every first connecting portion 12 corresponds an opening 11, a plurality of first connecting portions 12 all are located same water flat line (be on a parallel with the axial of outer tube 1), this first connecting portion 12 is used for connecting the both ends of opening 11, guarantee that outer tube 1 is a whole (outer tube 1 is a rectangle working of plastics before forming a columniform pipeline, first connecting portion 12 set up be equivalent to reserve the hookup location for this rectangle working of plastics batching cylindrical pipeline), and then be convenient for the equipment between outer tube 1 and the inner tube 2.

The length of the outer tube 1 of this embodiment is the same with the length of inner tube 2, and the width of every opening 11 on the outer tube 1 is 10mm, and the distance between two adjacent openings 11 is 30mm, and the quantity of opening 11 and the distance between two adjacent openings 11 all need be according to the reasonable design of the length of whole outer tube 1, just can reach the effect that promotes the bending nature of whole composite hose.

The second embodiment:

as shown in fig. 3 and 4 (fig. 4 is a longitudinal section taken from top to bottom along the main 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 connecting portions 12 and a plurality of second connecting portions 13, a connecting line between one first connecting portion 12 and one second connecting portion 13 corresponding to the same through opening 11 is perpendicular to the axial direction of the outer tube 1, the plurality of first connecting 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 connecting 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 port 11 divide one port 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 close to the second portion, and the second connection portion 13 is used for connecting the other end of the first portion 111 close to the second portion.

Example three:

as shown in fig. 5 and fig. 6 (fig. 6 is a cross section taken from top to bottom along 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 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 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 openings 11, that is, the first through opening 11 has one first connecting portion 12, and the first connecting portions 12 are used for connecting two ends of the first through opening 11; the second port 11 has a second connection portion 13, and the second connection portion 13 is used to connect both ends of the second port 11. And the horizontal direction of the first connection portion 12 and the horizontal direction of the second connection portion 13 do not coincide.

The composite hoses 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 cladding layer (not shown) can be sleeved outside the outer tube 1, the outer tube 1 and the inner tube 2 are fixed in a plastic sleeving mode, the inner wall of the outer cladding layer and the coincident part of the through hole 11 is attached to the outer wall of the inner tube 2, and the inner wall of the rest part of the outer cladding layer is attached to the outer wall of the outer tube 1.

Example 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 openings 11 are opened in the inner tube 2, and the outer tube 1 is completed without opening the through openings 11.

Example five:

as shown in fig. 8, the composite hose of the present embodiment is different from the embodiment in that a plurality of through openings 11 are opened in the inner tube 2, and the outer tube 1 is completed without the through openings 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 openings 11 are opened on the inner tube 2, and the outer tube 1 is completed without opening the through openings 11.

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

To sum up, the utility model discloses a composite hose all has following advantage:

1. the outer pipe 1 is arranged outside the inner pipe 2, so that the outer pipe 1 can protect and support the inner pipe 2;

2. a plurality of openings 11 that the interval was seted up on outer tube 1 or the inner tube 2 are favorable to promoting the bending nature of compound hose, and then prevent that this compound hose from appearing flat condition of collapsing when bending to keep the unobstructed circulation of inner tube 2 internal fluid, convenient to use.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A composite hose is used for fluid circulation and is characterized by comprising 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 and 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; the plane of each through opening is perpendicular to the length extending direction of the outer pipe or the inner pipe.

2. The composite hose of claim 1 wherein the outer tube is spaced apart to provide a plurality of the through openings.

3. The composite hose of claim 1 wherein the inner tube is spaced apart by a plurality of the through openings.

4. A composite hose according to any one of claims 1 to 3, wherein the outer diameter of the inner tube is greater than or equal to the inner diameter of the outer tube.

5. A composite hose according to any one of claims 1 to 3, wherein the length of the port is less than the circumference of the outer or inner tube.

6. The composite hose of any one of claims 1 to 3, wherein the plurality of through openings are arranged at regular intervals along the length of the outer and inner tubes, and the plurality of through openings are parallel to each other.

7. The composite hose according to any one of claims 1 to 3, wherein each of the through openings has a width of 0.1 to 100mm, a distance between two adjacent through openings is 1 to 100mm, and a ratio of a sum of the widths of the plurality of through openings to a length of the outer tube or the inner tube is less than 90%.

8. A composite hose according to claim 2 or claim 3, comprising a tie layer between the outer and inner tubes, the tie layer being arranged to bond the outer and inner tubes.

9. The composite hose of claim 2, comprising an outer covering, wherein the outer covering is disposed on the outer surface of the outer tube, the inner wall of the outer covering overlapping the through opening is attached to the outer wall of the inner tube, and the inner wall of the remaining outer covering is attached to the outer wall of the outer tube.