Electrostatic isolation tube device

Abstract

The utility model discloses an electrostatic isolation pipe device, which belongs to the technical field of isolation pipe devices and comprises a plastic pipe fitting body, a first metal piece is embedded at one end of the plastic pipe fitting body, and a second metal piece is embedded at the other end of the plastic pipe fitting body. The first metal part comprises an outer embedded section and an outer thread section located outside the plastic pipe fitting body, a connecting protrusion is arranged between the outer thread section and the outer embedded section, and the outer embedded section is provided with a plurality of first grooves and a plurality of first connecting annular grooves. The second metal piece comprises an embedded section and an end protrusion located at the end of the embedded section, and a plurality of second grooves and a plurality of second connecting annular grooves are formed in the embedded section. According to the plastic pipe fitting, the first metal piece is provided with the first grooves, the second metal piece is provided with the second grooves, so that the first metal piece, the second metal piece and the plastic pipe fitting body are combined better, the phenomenon of electric leakage or air leakage caused by hollowing is avoided, and the torsion is better.

Description

Technical Field

[0001] The utility model relates to the technical field of isolation tube devices, in particular to an electrostatic isolation tube device. Background Art

[0002] In the prior art, for example, a patent with publication number CN213361484U discloses an electrostatic isolation pipe fitting, including a plastic pipe fitting body, a first metal joint embedded at one end of the plastic pipe fitting body, and a second metal joint embedded at the other end, a plastic partition integrated with the plastic pipe fitting body is provided between the first metal joint and the second metal joint, and a plastic edging covering the second metal joint or the inner diameter of the first metal joint is provided on the plastic partition. The electrostatic isolation pipe fitting of the utility model isolates the possibility of direct electrostatic transmission between the second metal joint and the first metal joint through the plastic partition, and a plastic edging covering the inner diameter of the second metal joint or the first metal joint is provided on the plastic partition, further avoiding static electricity from passing through the inside of the pipeline to realize electrostatic conduction between the second metal joint and the first metal joint, thereby improving the transmission safety of combustible gas or oil in the pipeline. However, the bonding strength between the metal and plastic of the pipe fitting is not ideal. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an electrostatic isolation tube device to solve the problems in the background technology.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] An electrostatic isolation tube device comprises a plastic pipe body, a first metal piece is embedded at one end of the plastic pipe body, a second metal piece is embedded at the other end of the plastic pipe body, the first metal piece comprises an external embedded section and an external threaded section located outside the plastic pipe body, a connecting protrusion is provided between the external threaded section and the external embedded section, a plurality of first grooves and a plurality of first connecting annular grooves are provided on the external embedded section, the second metal piece comprises an embedded section and an end protrusion located at the end of the embedded section, a plurality of second grooves and a plurality of second connecting annular grooves are provided on the embedded section.

[0006] Preferably, the length direction of the first groove is parallel to the axis of the inner hole of the first metal member.

[0007] Preferably, the length direction of the second groove is parallel to the axis of the inner hole of the second metal member.

[0008] Preferably, the size of the end protrusion is larger than that of the embedded section.

[0009] Preferably, a plurality of the first grooves are arranged along the circumference of the axis of the first metal member hole.

[0010] Preferably, a plurality of the second grooves are arranged along the circumference of the axis of the second metal member hole.

[0011] Preferably, the width of the first groove at one end facing the external thread segment is smaller than the width at the other end.

[0012] Preferably, the width of the second groove at one end away from the end protrusion is greater than the width of the other end.

[0013] The above technical solution has the following beneficial effects:

[0014] A plurality of first grooves are arranged on the first metal part, and a plurality of second grooves are arranged on the second metal part, so that the first metal part, the second metal part and the plastic pipe body can be better combined, there will be no leakage of electricity or air due to hollowing, the torque is better, and the national standard requirements are met. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of an electrostatic isolation tube device of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the first metal member of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the second metal component of the utility model. DETAILED DESCRIPTION

[0018] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0019] refer to Figure 1 to Figure 3The electrostatic isolation tube device includes a plastic pipe body 3, one end of the plastic pipe body 3 is embedded with a first metal piece 1, and the other end of the plastic pipe body 3 is embedded with a second metal piece 2. The first metal piece 1 includes an external embedded section and an external threaded section located outside the plastic pipe body 3, and the external threaded section is provided with an external thread for connecting other components. A connecting protrusion 9 is provided between the external threaded section and the external embedded section, and a plurality of first grooves 5 and a plurality of first connecting annular grooves 7 are provided on the external embedded section. The diameter of the connecting protrusion 9 can be the same as the diameter of the external embedded section, and a portion of the first groove 5 can be provided on the connecting protrusion 9, but will not cross the connecting protrusion 9. The second metal piece 2 includes an embedded section and an end protrusion 8 located at the end of the embedded section, and a plurality of second grooves 4 and a plurality of second connecting annular grooves 6 are provided on the embedded section. Correspondingly, the plastic pipe body 3 is also provided with a protrusion that cooperates with the first groove 5 and the second groove 4 to ensure airtightness and normal connection between the first metal piece 1, the second metal piece 2 and the plastic pipe body 3;

[0020] The length direction of the first groove 5 is parallel to the axis of the inner hole of the first metal member 1, so that the outer embedded section of the first metal member 1 can be installed in the plastic pipe body 3;

[0021] The length direction of the second groove 4 is parallel to the axis of the inner hole of the second metal member 2; the length direction of the first groove 5 and the second groove 4 is the axial direction of the inner hole of the plastic pipe body 3;

[0022] The size of the end protrusion 8 is larger than that of the embedded section. Both the end protrusion 8 and the embedded section are cylindrical, and the diameter of the end protrusion is larger than that of the embedded section.

[0023] A plurality of first grooves 5 are arranged along the circumference of the axis of the hole of the first metal member 1 and can be evenly distributed;

[0024] A plurality of second grooves 4 are arranged along the circumference of the axis of the hole of the second metal member 2 and can be evenly distributed;

[0025] The first annular protrusion and the second annular protrusion are used for matching and positioning when connected with the plastic pipe body 3;

[0026] The width of the first groove 5 at one end facing the external thread section is smaller than the width at the other end, so as to facilitate the first metal member 1 to be embedded in the plastic pipe body 3;

[0027] The width of the second groove 4 at one end away from the end protrusion is greater than that at the other end, so as to facilitate the second metal member 2 to be embedded in the plastic pipe body 3;

[0028] A plurality of first grooves 5 are arranged on the first metal part 1, and a plurality of second grooves 4 are arranged on the second metal part 2, so that the first metal part 1, the second metal part 2 and the plastic pipe body 3 are better bonded. Compared with the prior art, there will be no leakage of electricity or air due to hollowing, and the torque is also better, meeting the requirements of national standards.

[0029] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. An electrostatic isolation tube device, characterized in that: It includes a plastic pipe body, one end of which is embedded with a first metal piece, and the other end of which is embedded with a second metal piece, the first metal piece includes an external embedded section and an external threaded section located outside the plastic pipe body, a connecting protrusion is provided between the external threaded section and the external embedded section, the external embedded section is provided with a plurality of first grooves and a plurality of first connecting annular grooves, the second metal piece includes an embedded section and an end protrusion located at the end of the embedded section, the embedded section is provided with a plurality of second grooves and a plurality of second connecting annular grooves.

2. An electrostatic isolation tube device according to claim 1, characterized in that: The length direction of the first groove is parallel to the axis of the inner hole of the first metal member.

3. The electrostatic isolation tube device according to claim 1, characterized in that: The length direction of the second groove is parallel to the axis of the inner hole of the second metal member.

4. The electrostatic isolation tube device according to claim 1, characterized in that: The end protrusion is larger in size than the embedding section.

5. The electrostatic isolation tube device according to claim 1, characterized in that: A plurality of the first grooves are arranged along the circumference of the axis of the first metal member hole.

6. The electrostatic isolation tube device according to claim 1, characterized in that: A plurality of the second grooves are arranged along the circumference of the axis of the second metal member hole.

7. The electrostatic isolation tube device according to claim 1, characterized in that: The width of the first groove at one end facing the external thread segment is smaller than that at the other end.

8. The electrostatic isolation tube device according to claim 1, characterized in that: The width of the second groove at one end away from the end protrusion is greater than the width of the other end.

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