CN217634330U

CN217634330U - Water inlet hose with bonding groove

Info

Publication number: CN217634330U
Application number: CN202221613455.7U
Authority: CN
Inventors: 张红旭
Original assignee: Dongyang Longriver Plastic Co ltd
Current assignee: Dongyang Longriver Plastic Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-10-21
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a flexible pipe of intaking with bonding groove belongs to flexible pipe technical field of intaking, including the inner tube, be equipped with the bonding groove that a plurality of is ring array on the circumference of inner tube, the outside of inner tube is equipped with the outer tube, is equipped with the arch that corresponds with the bonding groove on the inner wall of outer tube, and protruding embedding is in the bonding groove. The utility model increases the bonding area between the outer pipe and the inner pipe and effectively improves the bonding strength by arranging the bonding groove, thereby improving the compressive strength of the whole pipe body and prolonging the service life; the bonding groove of the utility model is arranged along the axial direction of the inner tube, and the outer tube can be limited by the matching of the bulge and the bonding groove, so that the relative rotation is avoided, and the inner tube and the outer tube are layered; the utility model discloses the bonding groove is binding off column structure, has increased the bonding area of outer tube with the inner tube, has further promoted adhesion strength, can carry on spacingly to the outer tube simultaneously, makes outer tube and the difficult separation of inner tube.

Description

Water inlet hose with bonding groove

Technical Field

The utility model belongs to the technical field of the hose of intaking, concretely relates to hose of intaking with bonding groove.

Background

In the finishing works such as kitchen bathroom, often use the water hose that intakes, water hose one end is connected tap, and the furniture or the household electrical appliances that need use cold water or hot water are connected to the other end, like water heater, washing machine, closestool etc..

Because the installation position of the water inlet hose is relatively hidden and is easy to ignore, if the water leakage phenomenon occurs, water resources are wasted, and the furniture, the floor, the household appliances and the like are difficult to avoid being drenched or even soaked. Therefore, the quality and service life of the water inlet hose are of particular importance.

However, the inner pipe of the conventional water inlet hose is not provided with a bonding groove, so that the bonding strength between the inner pipe and the outer pipe is reduced, the inner pipe and the outer pipe are easy to be layered under the condition of long-term use, and the pressure resistance and the service life of the water inlet hose are seriously influenced.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a water inlet hose with bonding groove, the adhesive strength who has inner tube and outer tube is high, and water inlet hose's compressive strength and life obtain the characteristics that effectively promote.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a water hose with bonding groove, includes the inner tube, is equipped with a plurality of bonding groove that is annular array on the circumference of inner tube, and the outside of inner tube is equipped with the outer tube, is equipped with the arch that corresponds with the bonding groove on the inner wall of outer tube, and the arch embedding is in the bonding groove.

In order to make the outer pipe perfectly fit with the inner pipe after being formed and improve the compressive strength of the whole pipe body, the outer pipe is further of a hot-melt extrusion forming structure.

In order to limit the outer pipe and avoid relative rotation, the inner pipe and the outer pipe are layered, and further, the bonding groove is arranged along the axial direction of the inner pipe.

In order to increase the bonding area of outer tube and inner tube, further promote bonding strength, can carry on spacingly to the outer tube simultaneously, make outer tube and inner tube be difficult for separating, furtherly, the bonding groove is binding off column structure.

In order to increase the overall strength of the pipe body, thereby improving the compressive strength of the pipe body and prolonging the service life of the pipe body, a woven mesh is further arranged between the inner pipe and the outer pipe. The knitting net is formed by knitting polyester yarns. The knitting angle of the polyester yarn is 45 degrees.

In order to increase the overall strength of the pipe body, furthermore, a plurality of annular array grooves are arranged on the circumference of the outer pipe and are arranged along the axial direction of the outer pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model increases the bonding area between the outer pipe and the inner pipe through the bonding groove, effectively improves the bonding strength, thereby improving the compressive strength of the whole pipe body and prolonging the service life;

2. the outer pipe of the utility model is of a hot-melting extrusion molding structure, so that the outer pipe can be perfectly attached to the inner pipe after being molded, and the compressive strength of the whole pipe body is improved;

3. the bonding groove of the utility model is arranged along the axial direction of the inner tube, and the outer tube can be limited by the matching of the bulge and the bonding groove, so that the relative rotation is avoided, and the inner tube and the outer tube are layered;

4. the bonding groove of the utility model is of a closed structure, which increases the bonding area between the outer tube and the inner tube, further improves the bonding strength, and can limit the outer tube at the same time, so that the outer tube and the inner tube are not easy to separate;

5. the utility model discloses be equipped with the mesh grid between inner tube and the outer tube, increased the bulk strength of body to improve the compressive strength of body, prolonged the life of body.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic structural view of the outer tube of the present invention after being cut in half;

FIG. 2 is a schematic view of the structure of the outer tube of the present invention cut by half;

FIG. 3 is a schematic structural view of the end face of the inner tube of the present invention;

FIG. 4 is a schematic view of the inner tube according to the present invention;

fig. 5 is a schematic structural view of the end face of the outer tube of the present invention;

in the figure: 1. an outer tube; 101. a protrusion; 102. a groove; 2. an inner tube; 21. an adhesive groove; 3. and (6) weaving a net.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a water inlet hose with bonding groove, includes inner tube 2, is equipped with thirty six bonding grooves 21 that are the annular array on the circumference of inner tube 2, and the outside of inner tube 2 is equipped with outer tube 1, is equipped with the arch 101 corresponding with bonding groove 21 on the inner wall of outer tube 1, and arch 101 imbeds in bonding groove 21.

Through adopting above-mentioned technical scheme, through the setting of bonding groove 21, increased the adhesive area of outer tube 1 with inner tube 2, effectual adhesive strength that has promoted to improve the compressive strength of whole body, prolonged life.

Specifically, the outer tube 1 is a hot-melt extrusion molding structure.

Through adopting above-mentioned technical scheme, make can be perfect after the shaping of outer tube 1 laminate with inner tube 2, improve the compressive strength of whole body.

Specifically, the adhesive groove 21 is provided in the axial direction of the inner tube 2.

Through adopting above-mentioned technical scheme, can carry on spacingly through protruding 101 and bonding groove 21 cooperation to outer tube 1, avoid taking place relative rotation, lead to the interior outer tube layering.

Example 2

The present embodiment is different from embodiment 1 in that: specifically, the bonding groove 21 is of a closed structure, and an included angle between two side walls of the bonding groove 21 is 11 °.

Through adopting above-mentioned technical scheme, increased the adhesive area of outer tube 1 with inner tube 2, further promoted adhesion strength, can carry on spacingly to outer tube 1 simultaneously, make outer tube 1 and inner tube 2 difficult separation.

Example 3

The present embodiment is different from embodiment 1 in that: specifically, a mesh grid 3 is arranged between the inner tube 2 and the outer tube 1. The knitting net 3 is formed by knitting polyester yarns. The knitting angle of the polyester yarn is 45 degrees.

Through adopting above-mentioned technical scheme, the bulk strength of body has been increased to improve the compressive strength of body, prolonged the life of body.

Example 4

The present embodiment is different from embodiment 1 in that: specifically, a plurality of grooves 102 in an annular array are arranged on the circumference of the outer tube 1, and the grooves 102 are arranged along the axial direction of the outer tube 1.

Through adopting above-mentioned technical scheme, the bulk strength of body has been increased.

The utility model discloses a forming process step as follows:

(1) Extruding the inner pipe through a screw extruder, and forming through an inner pipe mouth mold;

(2) After the formed inner tube is cooled by a cooling tank, a layer of high-strength polyester yarn is wound on the surface of the inner tube by a braiding machine to form a braided net, and the braided net is preheated by an oven after braiding;

(3) The inner pipe passes through the interior of the outer pipe die, the outer pipe extruder extrudes the outer pipe in a molten state, and the outer pipe in the molten state is circumferentially wrapped and adhered in an adhesion groove on the surface of the inner pipe in a cavity of the outer pipe die to form a complete outer pipe;

(4) And then cooling the tube body by a cooling groove and cutting the tube body by a tractor to form a complete tube body.

In summary, the utility model increases the bonding area between the outer tube 1 and the inner tube 2 by the bonding groove 21, effectively improves the bonding strength, thereby improving the compressive strength of the whole tube body and prolonging the service life; the outer pipe 1 of the utility model is of a hot-melting extrusion molding structure, so that the outer pipe 1 can be perfectly attached to the inner pipe 2 after being molded, and the compressive strength of the whole pipe body is improved; the bonding groove 21 of the utility model is arranged along the axial direction of the inner tube 2, the outer tube 1 can be limited by the matching of the protrusion 101 and the bonding groove 21, and the relative rotation is avoided, so that the inner tube and the outer tube are layered; the utility model has the advantages that the bonding groove 21 is of a closing-up structure, the bonding area between the outer tube 1 and the inner tube 2 is increased, the bonding strength is further improved, and meanwhile, the outer tube 1 can be limited, so that the outer tube 1 and the inner tube 2 are not easy to separate; the utility model discloses be equipped with mesh grid 3 between inner tube 2 and the outer tube 1, increased the bulk strength of body to improve the compressive strength of body, prolonged the life of body.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A water inlet hose with bonding groove, includes the inner tube, its characterized in that: the circumference of the inner tube is provided with a plurality of bonding grooves in an annular array, the outer portion of the inner tube is provided with an outer tube, the inner wall of the outer tube is provided with a bulge corresponding to the bonding grooves, and the bulge is embedded in the bonding grooves.

2. A water inlet hose with an adhesive groove according to claim 1, wherein: the outer tube is of a hot-melt extrusion molding structure.

3. A water inlet hose with an adhesive groove as defined in claim 1, wherein: the bonding groove is arranged along the axial direction of the inner pipe.

4. A water inlet hose with an adhesive groove according to claim 1, wherein: the bonding groove is in a closing-up structure.

5. A water inlet hose with an adhesive groove according to claim 1, wherein: and a woven mesh is arranged between the inner pipe and the outer pipe.

6. The water inlet hose with an adhesive groove of claim 5, wherein: the knitted net is formed by knitting polyester yarns.

7. The water inlet hose with an adhesive groove of claim 6, wherein: the weaving angle of the polyester yarn is 45 degrees.

8. A water inlet hose with an adhesive groove as defined in claim 1, wherein: the circumference of the outer pipe is provided with a plurality of grooves in an annular array, and the grooves are arranged along the axial direction of the outer pipe.