End type connector for plastic-coated metal hose

Abstract

The utility model belongs to the technical field of plastic-coated metal hoses, and particularly relates to a plastic-coated metal hose end type connector which comprises a connector assembly. Comprising a connector body, a first connecting pipe fitting arranged at one end of the connector body, a second connecting pipe fitting arranged at the other end of the connector body, a nut arranged on the first connecting pipe fitting and a packing nut arranged on the second connecting pipe fitting. The sealing protection assembly comprises a hose sheath arranged in the inner cavity of the second connecting pipe fitting, a hose connecting port arranged at one end of the hose sheath, a sealing ring arranged at the joint of the hose connecting port and the hose sheath, and a clamping ring arranged on the surface of the hose connecting port; the pipeline connector is reasonable in structure, convenient to connect in the using process, capable of protecting a pipeline, good in sealing performance, high in safety and long in service life.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic-coated metal hoses, and specifically to an end joint of a plastic-coated metal hose. Background Art

[0002] Plastic-coated metal hose: It is made by covering a layer of polyvinyl chloride material for cables on the concave and convex surfaces of the pipe wall core along the pipe walls of stainless steel hoses and galvanized metal hoses. Due to the advantages of light weight, excellent flexibility, connection strength with accessories, electrical performance, oil resistance, splash-proof water, etc., it is widely used in industries such as electric power, chemical industry, metallurgy, light industry, and machinery.

[0003] The plastic-coated metal hose joint is used to achieve quick disassembly and assembly of the hose and on-site equipment. There are some deficiencies in the existing end joints of plastic-coated metal hoses during use. For example, the sealing performance is poor, which is likely to cause liquid leakage. Therefore, we propose a new type of end joint for plastic-coated metal hoses. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and title of the specification of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model. However, such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the existing technology, the utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide an end joint of a plastic-coated metal hose, which is convenient to connect during use, can protect the pipeline, has good sealing performance, high safety, and a long service life.

[0007] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided:

[0008] An end joint of a plastic-coated metal hose, which includes:

[0009] A joint assembly, including a joint body, a first connecting pipe fitting arranged at one end of the joint body, a second connecting pipe fitting arranged at the other end of the joint body, a nut arranged on the first connecting pipe fitting, and a compression nut arranged on the second connecting pipe fitting;

[0010] A sealing and protection assembly, including a hose sheath arranged in the inner cavity of the second connecting pipe fitting, a hose connection port arranged at one end of the hose sheath, a sealing ring arranged at the connection between the hose connection port and the hose sheath, and a clamping ring arranged on the surface of the hose connection port.

[0011] As a preferred embodiment of the end - type joint of the plastic - coated metal hose of the present utility model, wherein: a soft - wrapped layer is provided on the surface of the joint body.

[0012] As a preferred embodiment of the end - type joint of the plastic - coated metal hose of the present utility model, wherein: an anti - rust paint layer is provided on the surfaces of the first connecting pipe fitting and the second connecting pipe fitting.

[0013] As a preferred embodiment of the end - type joint of the plastic - coated metal hose of the present utility model, wherein: a rubber gasket is provided at the connection between the first connecting pipe fitting and the nut.

[0014] As a preferred embodiment of the end - type joint of the plastic - coated metal hose of the present utility model, wherein: the hose connection port is connected to the metal hose.

[0015] As a preferred embodiment of the end - type joint of the plastic - coated metal hose of the present utility model, wherein: the hose sheath is made of polyvinyl chloride material.

[0016] As a preferred embodiment of the end - type joint of the plastic - coated metal hose of the present utility model, wherein: the cross - section of the sealing ring is inclined.

[0017] Compared with the prior art, the beneficial effects of the present utility model are: by providing a hose sheath in the inner cavity of the second connecting pipe fitting, the metal hose can be protected, which helps to extend the service life of the metal hose. In addition, by providing a sealing ring at the connection between the hose sheath and the hose connection port, the sealing performance is improved, leakage can be prevented, and the safety is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the present utility model will be described in detail below with reference to the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0019] Figure 1 is a schematic structural diagram of the present utility model;

[0020] Figure 2 is a schematic structural diagram of the joint body of the present utility model;

[0021] Figure 3 is an exploded structural diagram of the present utility model;

[0022] Figure 4 is a schematic structural diagram of the hose sheath of the present utility model.

[0023] In the figure: 100 connector assembly, 110 connector body, 120 first connecting pipe fitting, 130 second connecting pipe fitting, 140 rubber gasket, 150 nut, 160 compression nut, 200 sealing and protection assembly, 210 hose sheath, 220 sealing ring, 230 hose connection port, 240 clamping ring. Detailed implementation mode

[0024] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific implementation mode of the present utility model will be given in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth in order to fully understand the present utility model, but the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar promotions without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific implementation modes disclosed below.

[0026] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When detailing the implementation mode of the present utility model, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally in a non-general proportion, and the schematic diagrams are only examples and should not limit the protection scope of the present utility model here. In addition, in actual production, three-dimensional spatial dimensions including length, width and depth should be included.

[0027] To make the purpose, technical solution and advantages of the present utility model clearer, the following will further describe the implementation mode of the present utility model in detail in conjunction with the accompanying drawings.

[0028] The present utility model provides the following technical solution: a plastic-coated metal hose end connector, which is convenient to connect during use, can protect the pipeline, has good sealing performance, high safety and long service life;

[0029] Figures 1 to 4 The figure shows a structural schematic diagram of an embodiment of a plastic-coated metal hose end connector of the present utility model, and its main part includes a connector assembly 100 and a sealing and protection assembly 200;

[0030] The joint assembly 100 includes a joint body 110, a first connecting pipe fitting 120 installed at one end of the joint body 110, a second connecting pipe fitting 130 installed at the other end of the joint body 110, a nut 150 installed on the first connecting pipe fitting 120, and a compression nut 160 installed on the second connecting pipe fitting 130. A soft package layer is installed on the surface of the joint body 110. The surfaces of the first connecting pipe fitting 120 and the second connecting pipe fitting 130 are coated with an anti-rust paint layer. A rubber gasket 140 is installed at the connection between the first connecting pipe fitting 120 and the nut 150. Further, the joint body 110 is used to carry the first connecting pipe fitting 120 and the second connecting pipe fitting 130. The first connecting pipe fitting 120 and the second connecting pipe fitting 130 are used to connect pipelines and equipment. The nut 150 and the compression nut 160 are used to fix the first connecting pipe fitting 120 and the second connecting pipe fitting 130;

[0031] The sealing and protection assembly 200 includes a hose sheath 210 installed in the inner cavity of the second connecting pipe fitting 130, a hose connection port 230 installed at one end of the hose sheath 210, a sealing ring 220 installed at the connection between the hose connection port 230 and the hose sheath 210, and a clamping ring 240 installed on the surface of the hose connection port 230. The hose connection port 230 is connected to a metal hose. The hose sheath 210 is made of polyvinyl chloride material. The cross-section of the sealing ring 220 is inclined. Further, the hose sheath 210 is used to protect the metal hose. The hose connection port 230 is used to connect the metal hose. The sealing ring 220 is used to improve the sealing performance. The clamping ring 240 clamps and fixes the hose connection port 230.

[0032] Combined Figures 1 - 4 , for an end-type joint of a plastic-coated metal hose in this embodiment, the specific principle is as follows: By providing a hose sheath 210 in the inner cavity of the second connecting pipe fitting 130, the metal hose can be protected, which helps to extend the service life of the metal hose. In addition, by providing a sealing ring 220 at the connection between the hose sheath 210 and the hose connection port 230, the sealing performance is improved, leakage can be prevented, and the safety is high.

[0033] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and components therein can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present invention can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A plastic-coated metal hose end joint, characterized in that, Comprising: A joint assembly (100), including a joint body (110), a first connecting pipe fitting (120) provided at one end of the joint body (110), a second connecting pipe fitting (130) provided at the other end of the joint body (110), a nut (150) provided on the first connecting pipe fitting (120), and a compression nut (160) provided on the second connecting pipe fitting (130); A sealing and protection assembly (200), including a hose sheath (210) provided in the inner cavity of the second connecting pipe fitting (130), a hose connection port (230) provided at one end of the hose sheath (210), a sealing ring (220) provided at the connection between the hose connection port (230) and the hose sheath (210), and a clamping ring (240) provided on the surface of the hose connection port (230).

2. The end fitting of a plastic-coated metal hose according to claim 1, wherein: A soft package layer is provided on the surface of the joint body (110).

3. The end - type joint of a plastic - coated metal hose according to claim 1, characterized in that: An anti-rust paint layer is provided on the surfaces of the first connecting pipe fitting (120) and the second connecting pipe fitting (130).

4. The end fitting of a plastic-coated metal hose according to claim 1, characterized in that: A rubber gasket (140) is provided at the connection between the first connecting pipe fitting (120) and the nut (150).

5. The end type joint of a plastic-coated metal hose according to claim 1, characterized in that: The hose connection port (230) is connected to a metal hose.

6. The end fitting of a plastic-coated metal hose according to claim 1, characterized in that: The hose sheath (210) is made of a PVC material.

7. The end fitting of a plastic-coated metal hose according to claim 1, characterized in that: The cross-section of the sealing ring (220) is inclined.

Images