A recovery fitting for oil and gas recovery

Abstract

The utility model belongs to oil gas recovery joint technical field especially, an oil gas recovery's recovery joint is used, the following scheme is presented, including by reducing joint, through the mouth, connecting lug, cam arm, transverse support arm, screw hole, inclined support arm, limit support ring block component of recovery joint assembly, top rod assembly. The utility model discloses through setting up the recovery joint assembly who has inclined support arm, limit support ring block, when polygonal push rod and tank car interface valve plate impact, limit support ring block can share the impact force that polygonal push rod received, thereby reduce the impact force transmission to screw, in this way reach reduce the deformation of screw thread tooth shape of stud, improve the installation stability of present top rod assembly's effect, through inclined support arm and limit support ring block still can provide axial support for connecting column, effectively reduce the axial displacement of top rod assembly, and then further improved the stability of top rod assembly.

Description

Technical Field

[0001] This utility model relates to the technical field of oil and gas recovery connectors, and in particular to a recovery connector for oil and gas recovery. Background Technology

[0002] Oil and gas recovery refers to the technology and process of collecting, treating and recovering volatile light oil vapors (mainly gasoline components, referred to as "oil and gas") into liquid oil products during the production, storage, transportation, loading and unloading and use of petroleum and its products.

[0003] The oil and gas recovery connector is a key connecting component in the oil and gas recovery system. It is responsible for quickly, safely, and tightly connecting the oil and gas outlet of the tanker (or tanker) to the oil and gas recovery pipeline of the gas station (or oil depot terminal) during the oil loading and unloading process (such as tanker truck unloading oil to gas station storage tanks, oil tanker unloading oil to onshore storage tanks, etc.).

[0004] Among them, the reducing joint in the oil and gas recovery system is a key transition component specifically used to connect oil and gas recovery pipelines with different pipe diameters or interface standards. In the oil and gas recovery reducing joint, the loosening of the push rod (i.e., the push rod that drives the self-sealing valve to open) is indeed a common failure point. The frequent collision of the push rod with the interface valve plate of the oil tanker causes deformation of the thread profile, which in turn causes the pre-tightening force to fail, which is one of the reasons for the loosening. Based on this, in order to further improve the anti-loosening effect of the push rod, a recovery joint for oil and gas recovery is provided. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a recovery connector for oil and gas recovery, thereby solving the problems mentioned above.

[0006] A recovery connector for oil and gas recovery includes a recovery connector assembly consisting of a reducing connector, a through port, connecting ears, and a cam arm. The connecting ears are symmetrically fixed on both sides of the outer wall of the reducing connector. The through port is opened at a position where the inner side of the reducing connector and the connecting ears are aligned. The cam arm is rotatably connected to the inner side of the connecting ears, and the top protrusion of the cam arm passes through the through port to the inner side of the reducing connector for engaging with the snap-fit ​​connector on the tanker truck interface valve. A transverse support arm is fixed in the middle of the inner side of the reducing connector. A screw hole is opened in the middle of the transverse support arm. An inclined support arm is symmetrically fixed in the top of the transverse support arm with the screw hole as the center. A limit support ring block is fixed in the top of the two inclined support arms.

[0007] The reducing joint is connected to the push rod assembly via a screw hole and a limiting support ring block. The screw hole provides bottom support and connection for the push rod assembly, and the limiting support ring block provides support and reinforcement for the middle part of the push rod assembly.

[0008] By adopting the above technical solution, when the hexagonal push rod collides with the tanker truck interface valve plate, the impact force is distributed by the limiting support ring block, which effectively reduces the thread deformation of the stud and improves the installation stability of the push rod assembly.

[0009] The push rod assembly includes a hexagonal push rod, a connecting post, and a stud;

[0010] The hexagonal push rod, connecting column, and stud are connected and fixed in sequence from top to bottom. The connecting column passes through the limiting support ring block, and the stud is threaded to the screw hole to realize the assembly and fixation of the hexagonal push rod and the recycling joint assembly.

[0011] By adopting the above technical solution, the hexagonal push rod and the recycling joint assembly can be quickly assembled and fixed.

[0012] The outer diameter of the hexagonal push rod, the outer diameter of the connecting column, and the outer diameter of the stud decrease sequentially, and the outer diameter of the connecting column matches the inner diameter of the limiting support ring block.

[0013] By adopting the above technical solution, the limiting support ring block does not affect the connection operation between the stud and the screw hole.

[0014] The distance from the top of the limiting support ring block to the top of the screw hole is matched with the height of the connecting column.

[0015] By adopting the above technical solution, it is possible to ensure that the bottom of the polygonal push rod can fit tightly against the upper surface of the limiting support ring block.

[0016] A ceramic pad is embedded in the top of the hexagonal push rod, and the upper surface of the ceramic pad is flush with the upper surface of the hexagonal push rod.

[0017] By adopting the above technical solution, the ceramic gasket can effectively reduce the friction coefficient between the hexagonal push rod and the tanker truck interface valve plate.

[0018] The reducing connector, through-hole, connecting lug, lateral support arm, screw hole, inclined support arm, and limiting support ring block are integrally formed by casting process.

[0019] By adopting the above technical solution, the integrally cast reducing joint has good explosion-proof performance.

[0020] The beneficial effects of this utility model of the recovery connector for oil and gas recovery are:

[0021] By incorporating a recycling joint assembly with an inclined support arm and a limiting support ring block, the limiting support ring block can distribute the impact force on the polygonal push rod when it collides with the tank truck interface valve plate. This reduces the impact force transmitted to the stud, thereby reducing the deformation of the stud thread profile and improving the installation stability of the push rod assembly. The inclined support arm and the limiting support ring block can also provide axial support for the connecting column, effectively reducing the axial displacement of the push rod assembly and further improving its stability. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the recovery connector for oil and gas recovery proposed in this utility model.

[0023] Figure 2 This is a split schematic diagram of the push rod assembly of the recovery connector for oil and gas recovery proposed in this utility model;

[0024] Figure 3 This is an exploded sectional view of the recovery connector for oil and gas recovery proposed in this utility model.

[0025] In the diagram: 1. Recycling connector assembly; 101. Reducing connector; 102. Through-hole; 103. Connecting lug; 104. Lateral support arm; 105. Screw hole; 106. Inclined support arm; 107. Limiting support ring block; 108. Cam arm; 2. Push rod assembly; 201. Hexagonal push rod; 202. Connecting post; 203. Screw; 204. Ceramic gasket. Detailed Implementation

[0026] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of the present invention.

[0027] Reference Figures 1 to 3 A recovery connector for oil and gas recovery includes a recovery connector assembly 1 consisting of a reducing connector 101, a through port 102, a connecting ear 103, and a cam arm 108. The connecting ear 103 is symmetrically fixed on both sides of the outer wall of the reducing connector 101. The through port 102 is opened at a position where the inner sides of the reducing connector 101 and the connecting ear 103 are aligned. The cam arm 108 is rotatably connected to the inner side of the connecting ear 103, and the top protrusion of the cam arm 108 passes through the through port 102 to the inner side of the reducing connector 101 for engaging with the snap-fit ​​connector on the tanker truck interface valve. A transverse support arm 104 is fixed in the middle of the inner side of the reducing connector 101. A screw hole 105 is opened in the middle of the transverse support arm 104. An inclined support arm 106 is symmetrically fixed at the top of the transverse support arm 104 with the screw hole 105 as the center. A limit support ring block 107 is fixed at the top of the two inclined support arms 106.

[0028] The reducing joint 101 is connected to the push rod assembly 2 through the screw hole 105 and the limiting support ring block 107;

[0029] The screw hole 105 serves as the bottom support and connection for the push rod assembly 2, while the limiting support ring block 107 provides support and reinforcement for the middle part of the push rod assembly 2.

[0030] The push rod assembly 2 includes a hexagonal push rod 201, a connecting post 202, and a stud 203;

[0031] The hexagonal push rod 201, the connecting column 202, and the stud 203 are connected and fixed in sequence from top to bottom. The connecting column 202 passes through the limiting support ring block 107, and the stud 203 is threadedly connected to the screw hole 105 to realize the assembly and fixation of the hexagonal push rod 201 and the recycling joint assembly 1.

[0032] The outer diameter of the hexagonal push rod 201, the outer diameter of the connecting column 202, and the outer diameter of the stud 203 decrease sequentially, and the outer diameter of the connecting column 202 matches the inner diameter of the limiting support ring block 107.

[0033] The distance from the top of the limiting support ring 107 to the top of the screw hole 105 matches the height of the connecting post 202.

[0034] In this embodiment, it should be noted that the recovery connector assembly 1 is a common oil and gas recovery reducer on the market. Its connection principle with the tanker truck interface valve is the same as that of the CAMLOCK connector, and it has been widely used. Therefore, it will not be described in detail here.

[0035] The push rod assembly 2 is used to push open the valve plate of the tank truck interface valve when the reducer 101 is connected to the tank truck interface valve. The installation operation of the push rod assembly 2 is as follows:

[0036] Align the stud 203 with the center of the limiting support ring block 107 and insert it through. Finally, the stud 203 contacts the screw hole 105. At this time, manually rotate the hexagonal push rod 201 to make the stud 203 threadedly connected to the screw hole 105. Then, use a tool (e.g., a wrench) to tighten the hexagonal push rod 201 so that the stud 203 is fully tightened to the screw hole 105. At this time, the lower surface of the hexagonal push rod 201 is tightly fitted with the upper surface of the limiting support ring block 107.

[0037] Thus, when the polygonal push rod 201 collides with the tanker interface valve plate during use, the limiting support ring block 107 can distribute the impact force on the polygonal push rod 201, thereby reducing the impact force transmitted to the stud 203, thereby reducing the deformation of the stud thread profile and improving the installation stability of the push rod assembly.

[0038] Meanwhile, the inclined support arm 106 and the limiting support ring block 107 can also provide axial support for the connecting column 202, effectively reducing the axial displacement of the top rod assembly 2, thereby further improving the stability of the top rod assembly 2.

[0039] Please refer to this carefully. Figures 1 to 3 A ceramic pad 204 is embedded in the top of the hexagonal push rod 201, and the upper surface of the ceramic pad 204 is flush with the upper surface of the hexagonal push rod 201.

[0040] In this embodiment, it should be noted that the ceramic gasket 204 is made of a ceramic gasket (Al2O3 or ZrO2), and its surface is polished to Ra≤0.2μm, thereby reducing the frictional resistance between the polygonal push rod 201 and the tank truck interface valve plate, and also improving the wear resistance of the top of the polygonal push rod 201.

[0041] Please refer to this carefully. Figures 1 to 3 The reducing connector 101, the through port 102, the connecting ear 103, the transverse support arm 104, the screw hole 105, the inclined support arm 106, and the limiting support ring block 107 are integrally formed by casting process.

[0042] In this embodiment, the reducing connector 101 is integrally cast and has good explosion-proof performance. It should also be noted that the internal thread of the screw hole 105 is machined after casting.

[0043] Working principle: When the polygonal push rod 201 collides with the tanker interface valve plate during use, the limiting support ring block 107 can distribute the impact force on the polygonal push rod 201, thereby reducing the impact force transmitted to the stud 203, thus reducing the deformation of the stud thread profile and improving the installation stability of the push rod assembly.

[0044] Meanwhile, the inclined support arm 106 and the limiting support ring block 107 can also provide axial support for the connecting column 202, effectively reducing the axial displacement of the top rod assembly 2, thereby further improving the stability of the top rod assembly 2.

[0045] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A recovery connector for oil and gas recovery, comprising a recovery connector assembly (1) consisting of a reducing connector (101), a through port (102), a connecting lug (103), and a cam arm (108), wherein the connecting lug (103) is symmetrically fixed on both sides of the outer wall of the reducing connector (101), the through port (102) is opened at a position where the inner sides of the reducing connector (101) and the connecting lug (103) are aligned, the cam arm (108) is rotatably connected to the inner side of the connecting lug (103), and the top protrusion of the cam arm (108) passes through the through port (102) to the inner side of the reducing connector (101) for engaging with the snap-fit ​​connector on the interface valve of an oil tanker, characterized in that: A transverse support arm (104) is fixed to the middle of the inner side of the reducing joint (101). A screw hole (105) is opened in the middle of the transverse support arm (104). An inclined support arm (106) is symmetrically fixed to the top of the transverse support arm (104) with the screw hole (105) as the center. A limit support ring block (107) is fixed to the top of the two inclined support arms (106). The reducing joint (101) is connected to the top rod assembly (2) through the screw hole (105) and the limiting support ring block (107). The screw hole (105) is used for bottom support and connection of the top rod assembly (2), and the limiting support ring block (107) is used to provide support and reinforcement for the middle part of the top rod assembly (2).

2. The recovery connector for oil and gas recovery according to claim 1, characterized in that: The push rod assembly (2) includes a hexagonal push rod (201), a connecting post (202), and a stud (203); The hexagonal push rod (201), connecting column (202), and stud (203) are connected and fixed in sequence from top to bottom. The connecting column (202) passes through the limiting support ring block (107), and the stud (203) is threadedly connected to the screw hole (105) to realize the assembly and fixation of the hexagonal push rod (201) and the recycling connector assembly (1).

3. The recovery connector for oil and gas recovery according to claim 2, characterized in that: The outer diameter of the hexagonal push rod (201), the outer diameter of the connecting column (202), and the outer diameter of the stud (203) decrease sequentially. The outer diameter of the connecting column (202) matches the inner diameter of the limiting support ring block (107).

4. The recovery connector for oil and gas recovery according to claim 2, characterized in that: The distance from the top of the limiting support ring block (107) to the top of the screw hole (105) matches the height of the connecting column (202).

5. The recovery connector for oil and gas recovery according to claim 2, characterized in that: A ceramic pad (204) is embedded in the top of the hexagonal push rod (201), and the upper surface of the ceramic pad (204) is flush with the upper surface of the hexagonal push rod (201).

6. The recovery connector for oil and gas recovery according to claim 1, characterized in that: The reducing connector (101), through-hole (102), connecting ear (103), transverse support arm (104), screw hole (105), inclined support arm (106), and limiting support ring block (107) are integrally formed by casting process, and the internal thread of the screw hole (105) is formed by turning process.

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