Internal and external corrugated pipe

Abstract

The utility model discloses an internal and external corrugated pipe which comprises a waterproof assembly, a silicone tube assembly and a small corrugated pipe, the waterproof assembly is composed of a waterproof plug and the small corrugated pipe, the waterproof plug is connected to the silicone outer wall in the silicone tube assembly in a sleeved mode, and the small corrugated pipe is connected to the waterproof plug in a sleeved mode. The corrugated small pipe is bonded to the inner wall of the corrugated pipe through the glue coating, the corrugated small pipe is sleeved with the silicone pipe assembly, a certain gap is formed between the silicone pipe assembly and the corrugated small pipe, and in order to prevent sewage from flowing back and seeping water into the corrugated small pipe to breed bacteria and affect the appearance of the corrugated pipe, the waterproof plug is arranged between the silicone pipe assembly and the corrugated small pipe. The waterproof plug is made of a soft rubber material and provided with corrugations consistent with the corrugation of the small corrugated pipe, sealant can be arranged according to the suction requirement, the diameter of the silicone tube assembly is reduced by stretching the silicone tube assembly during installation, and therefore the waterproof plug is clamped into the corrugations of the small corrugated pipe, time and labor are saved, and the problems of water leakage and air leakage are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bellows, in particular to inner and outer bellows. Background Art

[0002] A bellows refers to a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction. It has certain flexibility and pressure resistance and can be used in a variety of occasions. Bellows are usually made of metal or plastic and have a cylindrical thin-walled corrugated shell with multiple transverse corrugations. It is widely used in petrochemical, instrumentation, aerospace, chemical, electric power, water conservancy and other industries. Silicone tubes are added to the existing bellows. When the water pressure inside the silicone tube exceeds 20 gigapascals, the water will flow back. Since silicone and EVA bellows materials cannot be bonded, the glue injection method is time-consuming and labor-intensive and prone to air and water leakage, which affects the use of the bellows. Therefore, it is necessary to design internal and external bellows. Utility Model Content

[0003] The utility model aims to provide inner and outer bellows to solve the defects of existing bellows that the connection is time-consuming and labor-intensive after adding silicone tubes and the injection of glue and the proneness to air and water leakage.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: inner and outer bellows, including a waterproof component and a silicone tube component, the waterproof component consists of a waterproof plug and a corrugated tube, the waterproof plug is sleeved on the silicone outer wall in the silicone tube assembly, and the corrugated tube is sleeved on the waterproof plug.

[0005] As a further technical solution of the present invention, the silicone tube assembly consists of a silicone outer wall, a silicone tube body and a silicone tube inner wall, and the silicone outer wall is arranged on the silicone tube body.

[0006] As a further technical solution of the present invention, a silicone tube inner wall is provided on the silicone tube body.

[0007] As a further technical solution of the present invention, a glue coating is provided on one side of the corrugated tube.

[0008] As a further technical solution of the present invention, the glue coating is cooperatively connected to the inner wall of the corrugated tube in the corrugated outer tube assembly.

[0009] As a further technical solution of the present invention, the corrugated outer tube assembly consists of a corrugated tube inner wall, a corrugated tube outer wall and a co-extruded layer. The corrugated tube inner wall is arranged on the corrugated outer tube, and the corrugated tube outer wall is arranged on the corrugated outer tube.

[0010] As a further technical solution of the present invention, a co-extrusion layer is provided on the outer wall of the corrugated tube.

[0011] The inner and outer corrugated tubes provided by the utility model have the following advantages: the corrugated tube is bonded to the inner wall of the corrugated tube by a glue coating, a silicone tube assembly is sleeved on the corrugated tube, a waterproof plug is sleeved between the silicone tube assembly and the corrugated tube, the waterproof plug is made of soft rubber material and has corrugations consistent with those of the corrugated tube, sealant can be set according to the suction requirements, and the silicone tube assembly is stretched during installation to reduce its diameter, thereby clamping the waterproof plug into the corrugation of the corrugated tube, saving time and effort and avoiding the problem of water leakage and air leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 It is a partial structural diagram of the utility model;

[0015] Figure 3 for Figure 2 Schematic diagram of the structure of area A in the middle.

[0016] In the figure: 1. Corrugated outer tube assembly; 3. Waterproof assembly; 4. Silicone tube assembly; 5. Glue coating; 11. Inner wall of the corrugated tube; 12. Outer wall of the corrugated tube; 13. Co-extrusion layer; 31. Waterproof plug; 32. Corrugated small tube; 41. Outer wall of silicone; 42. Silicone tube body; 43. Inner wall of silicone tube. DETAILED DESCRIPTION

[0017] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0019] Please see the attached Figure 1 -Attached Figure 3 , the utility model provides an embodiment: an inner and outer corrugated tube, including a waterproof component 3 and a silicone tube component 4, the waterproof component 3 is composed of a waterproof plug 31 and a corrugated tube 32, the waterproof plug 31 is sleeved on the silicone outer wall 41 in the silicone tube component 4, and the waterproof plug 31 is sleeved with the corrugated tube 32, the silicone tube component 4 is composed of a silicone outer wall 41, a silicone tube body 42 and a silicone tube inner wall 43, the silicone outer wall 41 is arranged on the silicone tube body 42, the silicone tube body 42 is provided with a silicone tube inner wall 43, a glue coating 5 is provided on one side of the corrugated tube 32, the glue coating 5 is connected with the corrugated tube inner wall 11 in the corrugated outer tube component 1, the corrugated outer tube component 1 is composed of a corrugated tube inner wall 11, a corrugated tube outer wall 12 and a co-extruded layer 13, the corrugated tube inner wall 11 is arranged on the corrugated outer tube, the corrugated outer tube is provided with a corrugated tube outer wall 12, and the co-extruded layer 13 is provided on the corrugated tube outer wall 12;

[0020] Specifically, when in use, the corrugated tube 32 is bonded to the inner wall 11 of the corrugated tube through the glue coating 5, and the silicone tube assembly 4 is sleeved on the corrugated tube 32. A waterproof plug 31 is sleeved between the silicone tube assembly 4 and the corrugated tube 32. The waterproof plug 31 is made of soft rubber material and has corrugations consistent with the corrugated tube 32. Sealant can be set according to the suction requirements. During installation, the silicone tube assembly 4 is stretched to make its diameter smaller, so that the waterproof plug 31 is stuck into the corrugation of the corrugated tube 32, saving time and effort and avoiding the problem of water leakage and air leakage.

[0021] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0022] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. Inner and outer bellows, including waterproof components (3) and silicone tube components (4), characterized by: The waterproof assembly (3) is composed of a waterproof plug (31) and a corrugated tube (32), wherein the waterproof plug (31) is sleeved on the silicone outer wall (41) in the silicone tube assembly (4), and the corrugated tube (32) is sleeved on the waterproof plug (31); the silicone tube assembly (4) is composed of a silicone outer wall (41), a silicone tube body (42) and a silicone tube inner wall (43), wherein the silicone outer wall (41) is arranged on the silicone tube body (42); the silicone tube inner wall (43) is arranged on the silicone tube body (42); a glue coating (5) is provided on one side of the corrugated tube (32); and the glue coating (5) is cooperatively connected with the corrugated tube inner wall (11) in the corrugated outer tube assembly (1).

2. The inner and outer bellows according to claim 1, characterized in that: The corrugated outer tube assembly (1) consists of a corrugated tube inner wall (11), a corrugated tube outer wall (12), and a co-extruded layer (13); the corrugated tube inner wall (11) is arranged on the corrugated outer tube, and the corrugated tube outer wall (12) is arranged on the corrugated outer tube.

3. The inner and outer bellows according to claim 2, characterized in that: A co-extrusion layer (13) is provided on the outer wall (12) of the corrugated tube.

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