CN220754264U

CN220754264U - Flexible connecting pipe

Info

Publication number: CN220754264U
Application number: CN202322434551.6U
Authority: CN
Inventors: 陈世河; 陈世明; 陈世清; 陈世煌; 陈灵芝; 陈世水; 陈悠然; 陈雅欣; 陈语诺
Original assignee: Zhejiang Eksfb Electric Co ltd
Current assignee: Zhejiang Eksfb Electric Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-04-09
Anticipated expiration: 2033-09-07

Abstract

The utility model belongs to the technical field of connecting pipes, and particularly relates to a flexible connecting pipe, which comprises: the pipe walls at two ends of the connecting hose are provided with a plurality of annular grooves; the two connecting pieces comprise a threaded section and an external section; the two fastening nuts comprise a limiting section and a fixing section, and the fixing section is fixedly connected with the threaded section; the two sleeves are provided with grooves and extension sections, a plurality of elastic fastening pieces are arranged in the two grooves, and the extension sections are arranged in the fastening nuts and positioned between the limit sections and the thread sections; the ends of the two ends of the connecting hose are respectively arranged in the grooves of the two sleeves, and the fastening nuts are sleeved on the outer sides of the sleeves; the beneficial effects of the utility model are as follows: the pipe wall of the connecting hose is clamped through the groove wall of the sleeve groove, and the elastic fastening piece in the groove is clamped in the annular groove of the connecting hose, so that the clamping connection of the sleeve and the connecting hose is firmer and not easy to fall off, and the practicability of the connecting pipe is improved.

Description

Flexible connecting pipe

Technical Field

The utility model belongs to the technical field of connecting pipes, and particularly relates to a flexible connecting pipe.

Background

The flexible connecting pipe is a fire-resistant, corrosion-resistant and water-resistant pipeline and is used for threading, the two ends of the flexible connecting pipe are metal movable joints made of carbon steel, the pipe body is made of metal corrugated pipes, the surface outer layer of the flexible connecting pipe is wrapped by rubber, nylon and stainless steel, and the flexible connecting pipe can ensure safety and stability in the use process.

In the prior art, the pipe body of most flexible connecting pipes is fixedly connected with the metal movable joint through welding, and the process of fixedly connecting the pipe body with the metal movable joint through welding is troublesome and has high cost.

Disclosure of Invention

The utility model aims at solving the technical problems, and provides a flexible connecting pipe which achieves the effect of convenient connection and installation of a pipe body and a metal movable joint.

In view of this, the present utility model provides a flexible connection pipe comprising:

the connecting hose is characterized in that the pipe walls at the two ends of the connecting hose are provided with a plurality of annular grooves;

the two connecting pieces comprise a threaded section and an external section;

the two fastening nuts comprise a limiting section and a fixing section, and the fixing section is fixedly connected with the threaded section;

the two sleeves are provided with grooves and extension sections, a plurality of elastic fastening pieces are arranged in the two grooves, and the extension sections are arranged in the fastening nuts and are positioned between the limit sections and the thread sections;

wherein, the tip at coupling hose both ends is located respectively in the recess of two telescopic, and fastening nut cover is in telescopic outside, and elasticity fastening piece joint is in the ring channel.

Further, the nut comprises a washer which is arranged between the extension section and the thread section and is positioned in the fixing section of the fastening nut.

Further, a plurality of first annular protrusions are arranged on the end face, close to the gasket, of the extension section, a plurality of second annular protrusions are arranged on the end face, close to the gasket, of the thread section, and the positions of the first annular protrusions and the second annular protrusions are staggered.

Further, an annular flange is arranged on the connecting piece and is arranged between the threaded section and the external section.

Further, the connecting piece further comprises an extension section, wherein the extension section is arranged on one side of the short thread and is positioned in the sleeve.

The beneficial effects of the utility model are as follows:

1. the pipe wall of the connecting hose is clamped through the groove wall of the sleeve groove, and the elastic fastening piece is clamped in the annular groove of the connecting hose, so that the sleeve and the connecting hose are firmly clamped and connected, the sleeve is not easy to fall off in the use process, and the practicability of the connecting pipe is effectively improved.

2. The gasket is arranged between the extension section of the sleeve and the threaded section of the connecting piece, the threaded section and the extension section can squeeze the gasket, two sides of the gasket are respectively in close contact with the threaded section and the extension section, the sealing effect is achieved, and water vapor is prevented from entering the pipe.

3. The first annular bulge and the second annular bulge which are annual ring-shaped are respectively arranged on the end face of the extension section and the end face of the thread section, the positions of the first annular bulge and the second annular bulge are staggered mutually and squeeze the gasket, the contact area between the extension section and the thread section and the gasket is increased, the gasket is more clung to the extension section and the thread section, and the sealing effect is enhanced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic exploded view of the structure of the present utility model;

FIG. 3 is a side cross-sectional view of the structure of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A in accordance with the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 3B in accordance with the present utility model;

the label in the figure is:

1. a connecting hose; 11. an annular groove; 2. a connecting piece; 21. a threaded section; 22. an external section; 23. a second annular projection; 24. an annular flange; 25. an extension section; 3. a fastening nut; 31. a limiting section; 32. a fixed section; 4. a sleeve; 41. a groove; 42. an extension section; 43. an elastic fastening tab; 44. a first annular projection; 5. and a gasket.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Example 1:

the present embodiment provides a flexible connection pipe including:

the connecting hose comprises a connecting hose 1, wherein a plurality of annular grooves 11 are formed in the pipe walls at the two ends of the connecting hose 1;

two connectors 2, each of the two connectors 2 comprising a threaded section 21 and an external section 22;

the two fastening nuts 3, wherein the two fastening nuts 3 comprise a limiting section 31 and a fixing section 32, and the fixing section 32 is fixedly connected with the threaded section 21;

the two sleeves 4 are respectively provided with a groove 41 and an extension section 42, a plurality of elastic fastening pieces 43 are respectively arranged in the two grooves 41, and the extension section 42 is arranged in the fastening nut 3 and is positioned between the limit section 31 and the thread section 21;

wherein, the ends at both ends of the connecting hose 1 are respectively arranged in the grooves 41 of the two sleeves 4, the fastening nut 3 is sleeved outside the sleeves 4, and the elastic fastening piece 43 is clamped in the annular groove 11.

In the technical scheme, the sleeve 4 is made of plastic, the outer diameter of the sleeve 4 is the same as the inner diameter of the limiting section 31 of the fastening nut 3, the outer diameter of the extending section 42 is larger than the outer diameter of the sleeve 4 and is the same as the inner diameter of the fixing section 32, the fastening nut 3 is sleeved on the outer side of the sleeve 4, the outer wall of the sleeve 4 is attached to the inner wall of the limiting section 31, the outer wall of the extending section 42 is attached to the inner wall of the fixing section 32, and one side of the extending section 42 of the sleeve 4 is abutted against the inner wall of the fastening nut 3 to play a limiting role; the external sections 22 of the connecting pieces 2 at the two ends of the connecting hose 1 are connected with an external structure, the threaded sections 21 of the connecting pieces 2 are fixedly connected with the fixed sections 32 of the fastening nuts 3 through the matched threaded structures, and the threaded sections 21 of the connecting pieces 2 prop against the other side of the extending sections 42 of the sleeve 4, so that the extending sections 42 of the sleeve 4 are clamped and fixed by the fastening nuts 3 and the connecting pieces 2; the end face of the sleeve 4, which is opposite to one end of the extension section 42, is provided with a groove 41, firstly, sealant is added into the groove 41, then, the end part of the connecting hose 1 is inserted into the groove 41, an elastic fastening piece 43 is arranged in the groove 41, the elastic fastening piece 43 is of an arc-shaped structure, when the end part of the connecting hose 1 is inserted into the groove 41, the pipe wall extrudes the elastic fastening piece 43, after the end part of the connecting hose 1 is completely inserted into the groove 41, the annular groove 11 corresponds to the position of the elastic fastening piece 43, a space is generated to restore the shape of the elastic fastening piece 43, the elastic fastening piece 43 is clamped in the annular groove 11, and the sealant in the groove 41 can be filled in a cavity between the elastic fastening piece 43 and the pipe wall, the pipe wall of the connecting hose 1 is clamped through the groove 41 of the sleeve 4, then, the elastic fastening piece 43 is matched with the groove 41 in a clamping manner, and then, the sealant in the groove 41 is matched, so that the connecting hose 1 and the metal movable joint are conveniently and quickly connected, and the firmness and the tightness of the connecting hose 1 and the metal movable joint are effectively enhanced.

Example 2:

the present embodiment provides a flexible connection pipe having the following technical features in addition to the technical scheme including the above embodiments.

Further, a washer 5 is included, said washer 5 being provided between the extension 42 and the threaded section 21 and being located in the fixed section 32 of the fastening nut 3.

In this technical scheme, set up packing ring 5 between the screw thread section 21 of extension section 42 and connecting piece 2 of sleeve 4, packing ring 5 is elastic silica gel material, and when connecting piece 2 and fastening nut 3 fixed connection, screw thread section 21 and extension section 42 can extrude packing ring 5, and the both sides of packing ring 5 are hugged closely with screw thread section 21 and extension section 42 respectively and are contacted, play sealed effect, guaranteed the leakproofness between connecting piece 2 and the sleeve 4, prevent inside steam, the dust entering connecting pipe, improved the practicality of connecting pipe effectively.

Example 3:

Further, the end face of the extension section 42, which is close to the gasket 5, is provided with a plurality of first annular protrusions 44, the end face of the thread section 21, which is close to the gasket 5, is provided with a plurality of second annular protrusions 23, and the positions of the first annular protrusions 44 and the second annular protrusions 23 are staggered with each other.

In the technical scheme, a plurality of first annular protrusions 44 are arranged on the contact surface of the extension section 42 and the gasket 5, a plurality of second annular protrusions 23 are arranged on the contact surface of the thread section 21 and the gasket 5, the first annular protrusions 44 on the end surface of the extension section 42 and the second annular protrusions 23 on the end surface of the thread section 21 are arranged in a annual ring shape, the positions of the first annular protrusions 44 and the second annular protrusions 23 are staggered with each other, and when the connecting piece 2 is fixedly connected with the fastening nut 3, the first annular protrusions 44 and the second annular protrusions 23 squeeze the gasket 5, so that the contact area of the extension section 42 and the thread section 21 with the gasket 5 is increased, the gasket 5 is more clung to the extension section 42 and the thread section 21, the sealing effect is enhanced, and the sealing performance of the connecting pipe is effectively improved.

Example 4:

Further, the connecting piece 2 is provided with an annular flange 24, and the annular flange 24 is arranged between the threaded section 21 and the external section 22.

In this technical scheme, the structural shape of annular flange 24 is similar with the nut appearance, makes things convenient for the staff to grasp, rotatory installation connecting piece 2 for the connection installation of connecting pipe is more convenient, and efficiency is higher, has improved the practicality of connecting pipe effectively.

Example 5:

Further, the connecting piece 2 further comprises an extension section 25, and the extension section 25 is arranged at one side of the short thread and is positioned in the sleeve 4.

In this technical scheme, the outer wall of extension section 25 is laminated with the inner wall of sleeve 4, and extension section 25 cooperatees with the spacing section 31 of fastening nut 3, exerts the restriction effect in the radial direction to sleeve 4 for the connecting pipe body is difficult for droing, and the connection installation of sleeve 4 and connecting pipe body is more firm stable, has improved the practicality of connecting pipe effectively.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A flexible connection pipe, comprising:

the connecting hose comprises a connecting hose (1), wherein a plurality of annular grooves (11) are formed in the pipe walls at two ends of the connecting hose (1);

the two connecting pieces (2), wherein the two connecting pieces (2) comprise a threaded section (21) and an external section (22);

the two fastening nuts (3), the two fastening nuts (3) comprise a limiting section (31) and a fixing section (32), and the fixing section (32) is fixedly connected with the threaded section (21);

the two sleeves (4), the two sleeves (4) are provided with grooves (41) and extension sections (42), a plurality of elastic fastening pieces (43) are arranged in the two grooves (41), and the extension sections (42) are arranged in the fastening nuts (3) and are positioned between the limiting sections (31) and the thread sections (21);

the ends of the two ends of the connecting hose (1) are respectively arranged in the grooves (41) of the two sleeves (4), the fastening nuts (3) are sleeved on the outer sides of the sleeves (4), and the elastic fastening pieces (43) are clamped in the annular grooves (11).

2. A flexible connection pipe as claimed in claim 1, further comprising a washer (5), said washer (5) being provided between the extension (42) and the thread (21) and being located in the fixing section (32) of the fastening nut (3).

3. A flexible connecting pipe according to claim 2, characterized in that the end face of the extension section (42) close to the gasket (5) is provided with a plurality of first annular protrusions (44), the end face of the thread section (21) close to the gasket (5) is provided with a plurality of second annular protrusions (23), and the positions of the first annular protrusions (44) and the second annular protrusions (23) are staggered.

4. A flexible connection pipe as claimed in claim 1, characterised in that the connection piece (2) is provided with an annular flange (24), the annular flange (24) being arranged between the threaded section (21) and the external section (22).

5. A flexible connection pipe as claimed in claim 1, characterized in that the connection piece (2) further comprises an extension (25), the extension (25) being provided on the short side of the thread and being located in the sleeve (4).