Gas pipeline conveying and connecting device

Abstract

The utility model relates to the field of gas pipelines, and discloses a gas pipeline conveying and connecting device which comprises a first pipeline and a second pipeline, one end of the first pipeline is fixedly connected with a first flange, the inner wall of the first flange is provided with a through hole, the outer wall of the first flange is fixedly connected with a fixing block, and the fixing block is fixedly connected with the second pipeline. A positioning groove is formed in one end of the fixing block, and mounting holes are formed in the two sides, close to the positioning groove, of one end of the fixing block. According to the gas pipeline conveying and connecting device, through the arrangement of the first pipeline, the second pipeline, the first flange, the second flange, a through hole, a fixing block, a positioning groove, a mounting hole, a supporting block, a movable rod, an insertion hole, a bolt assembly and a sealing gasket, the function of reinforced connection is achieved, and the problem that when bolts are positioned, the bolts cannot be clamped is solved; and the situation that loosening or falling occurs after accidental rotation due to vibration is avoided, so that the firmness after connection is improved, the working requirements of people are met, and the device is worthy of application and popularization.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipelines, in particular to a gas pipeline transportation connection device. Background Art

[0002] A gas pipeline refers to a pipeline that transports natural gas (including associated gas produced in oil fields) from the mining site or processing plant to the urban gas distribution center or industrial enterprise users. During the transportation process, the gas pipeline needs to connect different pipelines through connecting devices.

[0003] The existing connection device is mainly connected by flanges and bolts when in use. Although the bolts have a locking function in the sliding direction after connection, they do not have a locking function in the rotation direction. As a result, when the pipeline is subjected to vibration, the bolts may accidentally rotate and become loose or fall off, thereby reducing the firmness of the connection. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model provides a gas pipeline transportation connection device, which has the function of reinforcing the connection and solves the problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas pipeline transmission connection device, comprising a first pipeline and a second pipeline, one end of the first pipeline is fixedly connected to a first flange, the inner wall of the first flange is provided with a through hole, the outer wall of the first flange is fixedly connected to a fixing block, one end of the fixing block is provided with a positioning groove, and one end of the fixing block is provided with mounting holes on both sides of the positioning groove.

[0006] One end of the second pipe is fixedly connected to a second flange, the outer wall of the second flange is respectively fixedly connected to a support block and a sealing gasket, one end of the support block is movably connected to a movable rod, one end of the movable rod is provided with a socket, and a bolt assembly is installed inside the socket.

[0007] Preferably, the through holes are distributed at equal angles along the axial center line of the first flange, and the size of the through holes is larger than the size of the support block.

[0008] Preferably, the fixing block forms a "concave"-shaped structure through the positioning groove, and the positioning groove cooperates with one end of the movable rod.

[0009] Preferably, the support blocks are connected to the first flange through through holes, and the support blocks are distributed at equal angles along the axial center line of the second flange.

[0010] Preferably, one end of the support block is a "concave"-shaped structure, and a connecting shaft is fixedly connected to the inside of the support block.

[0011] Preferably, the other end of the movable rod is rotatably connected to the support block via a connecting shaft, and the movable rod and the support block are vertically distributed.

[0012] Preferably, the bolt assemblies are arranged in a plurality of groups at equal angles, and each group of the bolt assemblies consists of a bolt and a nut.

[0013] Preferably, the sealing gasket is a ring-shaped elastic rubber structure, and the sealing gasket passes through the first flange and fits tightly against the inner wall of the first pipe. Beneficial Effects

[0014] Compared with the prior art, the utility model provides a gas pipeline transmission connection device, which has the following beneficial effects:

[0015] 1. The gas pipeline transportation connection device realizes the function of strengthening the connection by arranging the first pipeline, the second pipeline, the first flange, the second flange, the through hole, the fixing block, the positioning groove, the mounting hole, the supporting block, the movable rod, the jack, the bolt assembly and the sealing gasket, and solves the problem that the bolt is easily loosened or falls off after accidental rotation due to vibration when being positioned, thereby improving the firmness after connection, meeting people's work needs, and worthy of popularization and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is an explosion diagram of the utility model;

[0018] Figure 3 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. first pipeline; 2. second pipeline; 3. first flange; 4. second flange; 5. through hole; 6. fixing block; 7. positioning groove; 8. mounting hole; 9. supporting block; 10. movable rod; 11. socket; 12. bolt assembly; 13. sealing gasket. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0021] The preferred embodiment of the gas pipeline transmission connection device provided by the utility model is as follows Figures 1 to 3 As shown: A gas pipeline transportation connection device includes a first pipeline 1 and a second pipeline 2, one end of the first pipeline 1 is fixedly connected to a first flange 3, the inner wall of the first flange 3 is provided with a through hole 5, the outer wall of the first flange 3 is fixedly connected to a fixing block 6, one end of the fixing block 6 is provided with a positioning groove 7, and one end of the fixing block 6 is provided with mounting holes 8 on both sides of the positioning groove 7.

[0022] One end of the second pipe 2 is fixedly connected to the second flange 4, and the outer walls of the second flange 4 are respectively fixedly connected to the supporting block 9 and the sealing gasket 13, one end of the supporting block 9 is movably connected to the movable rod 10, one end of the movable rod 10 is provided with a socket 11, and a bolt assembly 12 is installed inside the socket 11. By arranging the first pipe 1, the second pipe 2, the first flange 3, the second flange 4, the through hole 5, the fixing block 6, the positioning groove 7, the mounting hole 8, the supporting block 9, the movable rod 10, the socket 11, the bolt assembly 12 and the sealing gasket 13, the function of reinforcing the connection is realized, and the problem that the bolt is easily loosened or falls off after accidental rotation due to vibration when being positioned is solved, thereby improving the firmness after connection, meeting people's work needs, and worthy of popularization and use.

[0023] Furthermore, the through holes 5 are distributed at equal angles along the axial center line of the first flange 3, and the size of the through holes 5 is larger than the size of the support block 9. The support block 9 is connected to the first flange 3 through the through holes 5, and the support blocks 9 are distributed at equal angles along the axial center line of the second flange 4, which facilitates the second flange 4 to drive the support blocks 9 to pass through the first flange 3.

[0024] Furthermore, the fixed block 6 forms a "concave" shaped structure through the positioning groove 7, and the positioning groove 7 cooperates with one end of the movable rod 10, one end of the support block 9 is a "concave" shaped structure, and the interior of the support block 9 is fixedly connected with a connecting shaft, the other end of the movable rod 10 is rotatably connected to the support block 9 through the connecting shaft, and the movable rod 10 and the support block 9 are vertically distributed, which facilitates the movable rod 10 to engage with the fixed block 6 after rotation.

[0025] Furthermore, the bolt assemblies 12 are distributed in several groups at equal angles, and each group of the bolt assemblies 12 is composed of a bolt and a nut, which facilitates the fastening of the fixing block 6 and the movable rod 10 through the bolt assemblies 12 .

[0026] Furthermore, the sealing gasket 13 is a ring-shaped elastic rubber structure, and the sealing gasket 13 passes through the first flange 3 and fits tightly against the inner wall of the first pipe 1 , which facilitates the sealing work after the first pipe 1 and the second pipe 2 are connected.

[0027] When in use, firstly, the first flange 3 drives the support block 9 to pass through the first flange 3 through the through hole 5, and then the movable rod 10 is rotated through the connecting shaft, so that the movable rod 10 drives the socket 11 to rotate into the interior of the positioning groove 7 for engagement, and aligns the socket 11 with the mounting hole 8, and then the middle bolt of the bolt assembly 12 is respectively passed through the socket 11 and the mounting hole 8 and tightened by the nut, thereby completing the connection between the first pipe 1 and the second pipe 2, and realizing the reinforcement function after connection, thereby solving the problem of loosening or falling off caused by accidental rotation of the bolt, and improving the firmness after connection.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] It should be noted that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the utility model.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas pipeline transport connection device, comprising a first pipeline (1) and a second pipeline (2), characterized in that: One end of the first pipe (1) is fixedly connected to a first flange (3), an inner wall of the first flange (3) is provided with a through hole (5), an outer wall of the first flange (3) is fixedly connected to a fixing block (6), one end of the fixing block (6) is provided with a positioning groove (7), and one end of the fixing block (6) is provided with mounting holes (8) on both sides close to the positioning groove (7); One end of the second pipe (2) is fixedly connected to a second flange (4), an outer wall of the second flange (4) is respectively fixedly connected to a support block (9) and a sealing gasket (13), one end of the support block (9) is movably connected to a movable rod (10), one end of the movable rod (10) is provided with a socket (11), and a bolt assembly (12) is installed inside the socket (11).

2. A gas pipeline transport connection device according to claim 1, characterized in that: The through holes (5) are distributed at equal angles along the axial center line of the first flange (3), and the size of the through holes (5) is greater than the size of the support block (9).

3. A gas pipeline transport connection device according to claim 1, characterized in that: The fixed block (6) forms a "concave"-shaped structure through the positioning groove (7), and the positioning groove (7) cooperates with one end of the movable rod (10).

4. A gas pipeline transport connection device according to claim 1, characterized in that: The support blocks (9) are connected to the first flange (3) through the through holes (5), and the support blocks (9) are distributed at equal angles along the axial center line of the second flange (4).

5. A gas pipeline transport connection device according to claim 1, characterized in that: One end of the support block (9) is a "concave"-shaped structure, and a connecting shaft is fixedly connected inside the support block (9).

6. A gas pipeline transportation connection device according to claim 5, characterized in that: The other end of the movable rod (10) is rotatably connected to the support block (9) via a connecting shaft, and the movable rod (10) and the support block (9) are vertically distributed.

7. A gas pipeline transportation connection device according to claim 1, characterized in that: The bolt assemblies (12) are arranged in a plurality of groups at equal angles, and each group of bolt assemblies (12) is respectively composed of a bolt and a nut.

8. A gas pipeline transport connection device according to claim 1, characterized in that: The sealing gasket (13) is a ring-shaped elastic rubber structure, and the sealing gasket (13) passes through the first flange (3) and fits tightly against the inner wall of the first pipe (1).

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