Double-layer heat insulation oil casing coupling

Abstract

The utility model relates to the technical field of oil casing couplings, in particular to a double-layer heat insulation oil casing coupling which comprises a coupling body and a casing, a heat insulation mechanism is installed in the coupling body, the coupling body is connected with the casing through an installation mechanism, the installation mechanism comprises an installation groove, the installation groove is formed in the end of the coupling body, and the casing is arranged in the installation groove. The number of the installation grooves is two, and the installation grooves are annular grooves. According to the oil casing coupling, the purpose of heat insulation is achieved through the heat insulation mechanism, loss and waste of heat are reduced, use of the oil casing coupling is facilitated, the purpose of facilitating installation of the coupling body is achieved through the installation mechanism, and installation and disassembly of the coupling body are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of oil casing couplings, in particular to a double-layer heat-insulated oil casing coupling. Background Art

[0002] The oil casing coupling is a kind of oilfield drilling tool, mainly used for the connection of oil pipes. The oil casing coupling is an indispensable and important component in oilfield drilling. It ensures the tightness and safety of the connection of the oil pipe through a special connection method, which is of great significance to ensure the smooth progress of oil production.

[0003] In the oil industry, the oil casing coupling is an important component that connects the oil pipe and the casing. Its performance directly affects the safety and operating efficiency of the pipeline system. With the continuous development of oil exploration and production technology, the requirements for oil casing couplings are getting higher and higher. Traditional oil casing couplings have limitations in terms of thermal insulation performance, and the oil casing coupling screws are installed with threads, which is inconvenient to install and disassemble. Utility Model Content

[0004] The utility model aims to solve the above-mentioned shortcomings in the prior art and proposes a double-layer heat-insulated oil casing coupling.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A double-layer heat-insulated oil casing coupling is designed, comprising a coupling body and a casing, wherein a heat-insulating mechanism is installed in the coupling body, the coupling body is connected to the casing through a mounting mechanism, the mounting mechanism comprises a mounting groove, the mounting groove is opened at the end of the coupling body, the number of the mounting grooves is two, and the shape of the mounting groove is an annular groove.

[0007] Furthermore, a magnet is fixedly mounted on the inner wall of the mounting groove, the number of the magnets is two, and the shape of the two magnets is circular.

[0008] Furthermore, a spring is fixedly mounted on the coupling body, a latch is fixedly mounted on one end of the spring, and one end of the latch passes through the inner wall of the mounting groove.

[0009] Furthermore, a mounting block is fixedly mounted on one end of the sleeve, the mounting block is in the shape of a circular ring, the mounting block is made of metal iron, a slot is provided on the mounting block, and the slot is in the shape of a cylindrical slot.

[0010] Furthermore, the end of the coupling body is provided with positioning grooves, and the number of the positioning grooves is four.

[0011] Furthermore, a positioning block is fixedly installed at one end of the sleeve, and the positioning block is inserted into the positioning groove.

[0012] Furthermore, the thermal insulation mechanism includes a first thermal insulation cavity and a second thermal insulation cavity, the first thermal insulation cavity and the second thermal insulation cavity are both opened in the coupling body, and the first thermal insulation cavity and the second thermal insulation cavity are both in the shape of annular cavities.

[0013] The utility model proposes a double-layer heat-insulating oil casing coupling, which has the beneficial effects of: the utility model is provided with a heat-insulating mechanism to achieve the purpose of heat insulation, reduce heat loss and waste, and is beneficial to the use of the oil casing coupling; and is provided with an installation mechanism to facilitate the installation of the coupling body, which is beneficial to the installation and disassembly of the coupling body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the coupling body of the utility model;

[0016] Figure 3 It is a schematic diagram of the sleeve of the utility model;

[0017] Figure 4 It is a cross-sectional view of the coupling body of the utility model;

[0018] Figure 5 It is an enlarged view of point A of the present utility model.

[0019] In the figure: 1. coupling body; 21. positioning block; 22. positioning groove; 23. mounting groove; 24. magnet; 25. slot; 26. mounting block; 27. latch; 28. spring; 31. first insulation cavity; 32. second insulation cavity; 4. sleeve. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-5 A double-layer heat-insulated oil casing coupling comprises a coupling body 1 and a casing 4, characterized in that: a heat-insulating mechanism is installed in the coupling body 1, and the heat-insulating mechanism is provided to achieve the purpose of heat insulation, reduce heat loss and waste, and facilitate the use of the oil casing coupling. The coupling body 1 is connected to the casing 4 through a mounting mechanism, and the mounting mechanism comprises a mounting groove 23, which is opened at the end of the coupling body 1. The setting of the mounting groove 23 facilitates the installation of a magnet 24, and the number of the mounting grooves 23 is two, and the shape of the mounting groove 23 is an annular groove.

[0022] In detail, a magnet 24 is fixedly installed on the inner wall of the mounting groove 23, and the number of the magnets 24 is two. The magnets 24 are provided to facilitate the adsorption and fixing of the mounting block 26, and also to improve the sealing performance. The two magnets 24 are both in the shape of a circular ring. A spring 28 is fixedly installed on the coupling body 1. The provision of the spring 28 facilitates the installation of the plug 27. A plug 27 is fixedly installed on one end of the spring 28. The cross-sectional shape of the plug 27 is T-shaped. The plug 27 is provided to facilitate plugging into the slot 25, thereby achieving the purpose of fixing the magnet 24 to the mounting groove 23. One end of the plug 27 passes through the inner wall of the mounting groove 23. A mounting block 26 is fixedly installed on one end of the sleeve 4. The shape of the mounting block 26 is circular ring. The setting of the mounting block 26 is convenient for being adsorbed and fixed on the magnet 24, so as to achieve the purpose of improving the sealing performance. The mounting block 26 is made of metal iron, and a slot 25 is provided on the mounting block 26. The slot 25 is in the shape of a cylindrical slot. The slot 25 is provided to facilitate the insertion of the plug 27. When the coupling body 1 is installed on the sleeve 4, the plug 27 is pulled to pull one end of the plug 27 away from the mounting groove 23, and then the mounting block 26 at one end of the sleeve 4 is inserted into the mounting groove 23, and then the plug 27 is released. Under the action of the spring 28, the plug 27 will be inserted into the slot 25, so as to complete the fixation of the mounting block 26. In addition, the mounting block 26 is made of metal iron, so it is convenient for being adsorbed and fixed on the magnet 24, so as to achieve the sealing effect.

[0023] In more detail, a positioning groove 22 is provided at the end of the coupling body 1, and the number of the positioning grooves 22 is four. The positioning grooves 22 are provided to facilitate the insertion of the positioning block 21. The positioning block 21 is fixedly installed at one end of the sleeve 4, and the positioning block 21 is inserted into the positioning groove 22. The positioning block 21 is provided to facilitate the insertion into the positioning groove 22. When the coupling body 1 and the sleeve 4 are installed, the positioning block 21 will be inserted into the positioning groove 22, thereby realizing the positioning of the coupling body 1, which is conducive to the insertion of the pin 27 into the slot 25.

[0024] Finally, the thermal insulation structure includes a first thermal insulation cavity 31 and a second thermal insulation cavity 32. The first thermal insulation cavity 31 and the second thermal insulation cavity 32 are both opened in the coupling body 1. The first thermal insulation cavity 31 and the second thermal insulation cavity 32 are both in the shape of annular cavities. By providing the first thermal insulation cavity 31 and the second thermal insulation cavity 32, the purpose of thermal insulation is achieved and heat loss and waste are reduced.

[0025] Working method: During operation, when the coupling body 1 is installed on the sleeve 4, pull the pin 27, pull one end of the pin 27 away from the mounting groove 23, and then insert the mounting block 26 at one end of the sleeve 4 into the mounting groove 23, and at the same time, the positioning block 21 will be inserted into the positioning groove 22, thereby realizing the positioning of the coupling body 1, and then release the pin 27. Under the action of the spring 28, the pin 27 will be inserted into the slot 25 to complete the fixation of the mounting block 26. The mounting block 26 is made of metal iron, which is convenient for adsorption and fixation on the magnet 24, thereby achieving a sealing effect, and then repeat the above operation to fix the sleeve 4 on the other side. When the coupling body 1 is in use, the first insulation cavity 31 and the second insulation cavity 32 are provided to achieve the purpose of insulation and reduce heat loss and waste.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double-layer heat-insulated oil casing coupling, comprising a coupling body (1) and a casing (4), characterized in that: A heat insulation mechanism is installed in the coupling body (1). The coupling body (1) is connected to the sleeve (4) via the installation mechanism. The installation mechanism comprises an installation groove (23). The installation groove (23) is opened at the end of the coupling body (1). There are two installation grooves (23). The installation groove (23) is in the shape of an annular groove. A magnet (24) is fixedly installed on the inner wall of the installation groove (23). There are two magnets (24). Both magnets (24) are in the shape of an annular ring. A spring (28) is fixedly installed on the coupling body (1). A latch (27) is fixedly installed on one end of the spring (28). One end of the latch (27) passes through the inner wall of the installation groove (23). One end of the sleeve (4) is fixedly installed A mounting block (26) is provided, the mounting block (26) being in the shape of a circular ring and being made of metal iron. A slot (25) is provided on the mounting block (26), the slot (25) being in the shape of a cylindrical groove. A positioning slot (22) is provided at the end of the coupling body (1), the number of the positioning slots (22) being four. A positioning block (21) is fixedly mounted at one end of the sleeve (4), the positioning block (21) being inserted into the positioning slot (22). The heat insulation mechanism comprises a first heat insulation cavity (31) and a second heat insulation cavity (32), the first heat insulation cavity (31) and the second heat insulation cavity (32) being both provided in the coupling body (1), the first heat insulation cavity (31) and the second heat insulation cavity (32) being both in the shape of a circular ring cavity.

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