Corrugated connecting pipe

Abstract

The utility model belongs to the technical field of corrugated pipes, and particularly relates to a corrugated connecting pipe which comprises a corrugated pipe body with one end serving as an inlet end and the other end serving as an outlet end. The mounting ring is in threaded connection with the inlet end of the corrugated pipe body; the inner fastening piece is arranged on the mounting ring; a supporting disc abutting against the end face of the corrugated pipe body is formed on the outer wall of the mounting ring.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated pipes, in particular to a corrugated connecting pipe. Background Art

[0002] The spiral corrugated pipe is a spiral corrugated pipe made of polyethylene and other materials, which increases the ring stiffness and compressive strength of the spiral corrugated pipe. The existing polyethylene spiral corrugated pipe has the problem of easy leakage at the connection, and the connection strength of the corrugated pipe through the clamping is not enough. Utility Model Content

[0003] The utility model aims to solve the above-mentioned technical problems and provide a corrugated connecting pipe which has a simple structure, an ideal sealing effect at the connection and is easy to install.

[0004] In view of this, the utility model provides a corrugated connecting pipe, comprising:

[0005] A bellows body, one end of the bellows body being an inlet end and the other end being an outlet end;

[0006] A mounting ring, the mounting ring being threadedly connected to the inlet end of the bellows body;

[0007] An inner fastener is provided on the mounting ring;

[0008] The outer wall of the mounting ring is formed with a supporting plate which abuts against the end surface of the corrugated tube body.

[0009] In the above technical solution, further, it also includes:

[0010] A sealing sheet is arranged between the end surface of the corrugated tube body and the supporting plate.

[0011] In the above technical solution, further, it also includes:

[0012] The sealing ring is located on the side wall of the mounting ring and on the lower side of the supporting plate, and the mounting ring is provided with a groove for accommodating the sealing ring.

[0013] In the above technical solution, further, the inner fastener includes:

[0014] The fixing part has an L-shaped cross section and is inserted from the middle of the end surface of one side of the mounting ring connected to the corrugated tube body and extends toward the inner wall of the mounting ring;

[0015] A plurality of fastening plates are evenly arranged on the inner side of the fixing portion according to the circumference, and a limiting portion in the shape of a right-angled trapezoid is formed at the end of the fastening plate;

[0016] A cutting groove for accommodating the fastening sheet is formed on the inner wall of the mounting ring.

[0017] In the above technical solution, further, it also includes:

[0018] An inner seal, which is arranged on the inner wall of the mounting ring and is located on the upper side of the cut groove;

[0019] The inner wall of the mounting ring is provided with a sealing groove for accommodating the inner sealing member.

[0020] In the above technical solution, further, the inner seal comprises:

[0021] The sealing block body is a ring-shaped structure with a rectangular cross section;

[0022] The sealing protrusion is located at the middle part of the inner side of the sealing block body, and the sealing protrusion and the sealing block body are integrally formed.

[0023] In the above technical solution, further, the inner seal also includes:

[0024] Sealing rings, two sealing rings are arranged on the inner side of the sealing block body and are respectively located on both sides of the sealing protrusion;

[0025] A placement groove for placing the sealing ring is formed on the inner wall of the sealing block body.

[0026] In the above technical solution, further, the inner fastener is in the shape of a thin sheet as a whole and is made of elastic metal or alloy.

[0027] The beneficial effects of the utility model are:

[0028] 1. The installation ring can facilitate the installation and fixation of the bellows, while ensuring the overall connection strength of the bellows;

[0029] 2. The setting of the inner fastener can improve the connection strength between the mounting ring and the connected pipe, thereby preventing the corrugated connecting pipe from detaching, thereby improving the overall practicality of the corrugated connecting pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the utility model;

[0031] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0032] Figure 3 It is a structural schematic diagram of the mounting ring in the utility model;

[0033] Figure 4 It is a structural schematic diagram of the internal fastener in the utility model;

[0034] Figure 5 yes Figure 2 A partial enlarged view of point Ⅰ in the middle;

[0035] The markings in the figure are as follows: 1- bellows body, 2- mounting ring, 3- supporting plate, 4- sealing plate, 6- sealing ring, 7- fixing part, 8- fastening plate, 9- limiting part, 10- sealing block body, 11- sealing protrusion, 12- sealing ring. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0037] Embodiment 1:

[0038] This embodiment provides a corrugated connecting pipe, including:

[0039] A bellows body 1, one end of the bellows body 1 being an inlet end and the other end being an outlet end;

[0040] A mounting ring 2, the mounting ring 2 being threadedly connected to the inlet end of the bellows body 1;

[0041] Internal fasteners, the mounting ring 2 is provided with internal fasteners;

[0042] The outer wall of the mounting ring 2 is formed with a support plate 3 which abuts against the end surface of the corrugated tube body 1 .

[0043] In this embodiment, the mounting ring 2 is connected to the bellows body 1 by threads, so that the installation is convenient and the strength of the connection between the two can be ensured. Then, the mounting ring 2 is connected to the corresponding pipe to achieve the effect of installing the corrugated connecting pipe. The internal fixing part is used to be arranged in the mounting ring 2, which has a good fastening effect between the mounting ring 2 and the mounting pipe, thereby preventing the mounting ring 2 from detaching.

[0044] Embodiment 2:

[0045] This embodiment provides a corrugated connecting pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0046] Also includes:

[0047] The sealing sheet 4 is arranged between the end surface of the corrugated tube body 1 and the supporting plate 3 .

[0048] In this embodiment, the provision of the sealing sheet 4 can ensure the sealing effect of the connection between the bellows body 1 and the mounting ring 2 .

[0049] Embodiment 3:

[0050] This embodiment provides a corrugated connecting pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0051] Also includes:

[0052] The sealing ring 6 is located on the side wall of the mounting ring 2 and on the lower side of the supporting plate 3 , and the mounting ring 2 is provided with a groove for accommodating the sealing ring 6 .

[0053] In this embodiment, the provision of the sealing ring 6 can further ensure the sealing of the connection between the mounting ring 2 and the bellows, thereby preventing leakage.

[0054] Embodiment 4:

[0055] This embodiment provides a corrugated connecting pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0056] Internal fasteners include:

[0057] The fixing portion 7 has an L-shaped cross section and is inserted from the middle of the end surface of one side of the mounting ring 2 connected to the corrugated tube body 1 and extends toward the inner wall of the mounting ring 2;

[0058] A fastening piece 8, wherein a plurality of fastening pieces 8 are evenly arranged on the inner side of the fixing portion 7 along a circumference, and a limiting portion 9 in the shape of a right-angled trapezoid is formed at the end of the fastening piece 8;

[0059] A groove for accommodating the fastening piece 8 is formed on the inner wall of the mounting ring 2 .

[0060] In this embodiment, the fixing portion 7 can be integrally formed on the mounting ring 2, or a groove for inserting the fixing portion 7 can be provided at the bottom section of the mounting ring 2, so that the fixing portion 7 can play a supporting role and facilitate the fixing of the internal fastener; wherein the oblique edge of the limiting portion 9 faces the direction of the pipe installation, and the pipe connected to the mounting ring 2 is provided with a ring-shaped groove for the limiting portion 9 on the fastening sheet 8 to be inserted into, and when the pipe is pressed into the mounting ring 2, the limiting portion 9 will be squeezed, and the limiting portion 9 will continue to move downward so that the limiting portion 9 is drawn into the ring-shaped groove, thereby completing the fixing of the corrugated pipe; and since the right-angled edge of the limiting portion 9 faces the direction away from the pipe installation, the pipe can be prevented from being separated, thereby ensuring the convenience of the connection of the corrugated connecting pipe and the stability of the connection of the corrugated pipe. The groove formed on the side wall of the mounting ring 2 makes the fastening sheet 8, except for the limiting portion 9, located in the inner wall of the mounting ring 2, so as to facilitate the insertion of the pipe.

[0061] Embodiment 5:

[0062] This embodiment provides a corrugated connecting pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0063] Also includes:

[0064] An inner seal, which is arranged on the inner wall of the mounting ring 2 and is located on the upper side of the groove;

[0065] The inner wall of the mounting ring 2 is provided with a sealing groove for accommodating the inner sealing member.

[0066] In this embodiment, the provision of the inner seal can ensure the sealing performance between the mounting ring 2 and the pipeline connection, thereby further improving the sealing performance of the overall installation of the corrugated connecting pipe.

[0067] Embodiment 6:

[0068] This embodiment provides a corrugated connecting pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0069] The inner seal includes:

[0070] The sealing block body 10 is an annular structure with a rectangular cross section;

[0071] The sealing protrusion 11 is located in the middle of the inner side of the sealing block body 10 , and the sealing protrusion 11 and the sealing block body 10 are integrally formed.

[0072] In this embodiment, the thickness of the sealing block body 10 is equal to the depth of the sealing groove, and the sealing block body 10 contacts the pipeline through the protruding sealing protrusion 11, thereby ensuring good sealing performance.

[0073] Embodiment 7:

[0074] This embodiment provides a corrugated connecting pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0075] The inner seal also includes:

[0076] Sealing rings 12, two sealing rings 12 are arranged on the inner side of the sealing block body 10 and are respectively located on both sides of the sealing protrusion 11;

[0077] The inner wall of the sealing block body 10 is formed with a placement groove for the sealing ring 12 to be placed.

[0078] In this embodiment, the inner diameter of the sealing ring 12 is greater than or equal to the inner diameter of the sealing protrusion 11; a triple sealing effect is achieved on both sides of the sealing protrusion 11 by two sealing rings 12, thereby further ensuring the sealing performance of the inner seal.

[0079] Embodiment 8:

[0080] This embodiment provides a corrugated connecting pipe, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0081] The inner fastener is in the shape of a thin sheet as a whole and is made of elastic metal or alloy.

[0082] In this embodiment, the thin-sheet inner fastener can reduce the overall weight of the corrugated connecting pipe, while the elastic metal-supported inner fastener can ensure good fastening and the stability of its own structure.

[0083] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A corrugated connecting pipe, characterized in that: include: A bellows body (1), wherein one end of the bellows body (1) is an inlet end and the other end is an outlet end; A mounting ring (2), wherein the mounting ring (2) is threadedly connected to the inlet end of the bellows body (1); An internal fastener, wherein the mounting ring (2) is provided with an internal fastener; The outer wall of the mounting ring (2) is formed with a support plate (3) which abuts against the end surface of the corrugated tube body (1).

2. A corrugated connecting pipe according to claim 1, characterized in that: Also includes: A sealing sheet (4), wherein the sealing sheet (4) is arranged between the end surface of the corrugated tube body (1) and the supporting plate (3).

3. The corrugated connecting pipe according to claim 1, characterized in that: Also includes: The sealing ring (6) is located on the side wall of the mounting ring (2) and on the lower side of the supporting plate (3), and a groove for accommodating the sealing ring (6) is provided on the mounting ring (2).

4. The corrugated connecting pipe according to claim 1, characterized in that: The inner fastener comprises: A fixing portion (7), wherein the fixing portion (7) has an L-shaped cross section and is inserted from the middle of the end surface of one side of the mounting ring (2) connected to the corrugated tube body (1) and extends toward the inner wall of the mounting ring (2); A fastening piece (8), wherein a plurality of the fastening pieces (8) are evenly arranged on the inner side of the fixing portion (7) along a circumference, and a trapezoidal limiting portion (9) is formed at the end of the fastening piece (8); A groove for accommodating the fastening sheet (8) is formed on the inner wall of the mounting ring (2).

5. The corrugated connecting pipe according to claim 1, characterized in that: Also includes: An inner seal, the inner seal being arranged on the inner wall of the mounting ring (2); The inner wall of the mounting ring (2) is provided with a sealing groove for accommodating the inner sealing member.

6. A corrugated connecting pipe according to claim 5, characterized in that: The inner seal comprises: A sealing block body (10), wherein the sealing block body (10) is an annular structure with a rectangular cross section; The sealing protrusion (11) is located in the middle of the inner side of the sealing block body (10), and the sealing protrusion (11) and the sealing block body (10) are integrally formed.

7. The corrugated connecting pipe according to claim 6, characterized in that: The inner seal also includes: Sealing rings (12), wherein the two sealing rings (12) are both arranged on the inner side of the sealing block body (10) and are respectively located on both sides of the sealing protrusion (11); A placement groove for placing the sealing ring (12) is formed on the inner wall of the sealing block body (10).

8. The corrugated connecting pipe according to claim 1, characterized in that: The inner fastener is in the shape of a thin sheet as a whole and is made of elastic metal or alloy.

Images