Tubing head capable of being conveniently and rapidly connected with oil well components

Abstract

The utility model discloses a tubing head convenient to quickly connect oil well parts, which comprises a tubing head structure, a connecting pipe structure is mounted below the tubing head structure, the tubing head structure comprises a tubing head body serving as a foundation, a first connecting disc is fixed at one end of the tubing head body, and a second connecting disc is fixed at the other end of the tubing head body. Meanwhile, a mounting groove facilitating matched mounting of a sealing ring is formed in the first connecting disc, a first clamping piece is welded and fixed to the surface of the first connecting disc, and a first arc-shaped plate is welded and fixed to one side of the first clamping piece; and a second connecting disc with a mounting groove is fixedly welded to one end of the connecting pipeline body, meanwhile, a funnel is fixed in the second connecting disc, and a funnel filter screen is mounted in the funnel in a threaded mode.

Description

Technical Field

[0001] The utility model relates to the technical field of oil tubing heads, in particular to an oil tubing head which is convenient for quickly connecting oil well components. Background Art

[0002] A Christmas tree is a wellhead device used to extract oil in self-flowing wells and machine-extracted wells. It is the main equipment at the top of the oil and gas well to control and regulate oil and gas production. It mainly consists of three parts: a casing head, a tubing head, and the Christmas tree body. The tubing head is a device component that connects the topmost casing head and the Christmas tree to suspend the oil pipe and seal the annular space between the oil pipe and the casing. A search found that the existing disclosed technology has the publication number: CN116677339A, which is a tubing head that facilitates the rapid connection between the casing head and the Christmas tree. It includes a tubing head body, the outer side of which is movably connected to an auxiliary lifting mechanism, and the auxiliary lifting mechanism is threadedly connected to the connection reinforcement mechanism. The oil tubing head is convenient for quickly connecting the casing head and the oil tree. When the casing head and the oil tree are connected together by using the oil tubing head body, the threaded column passes through the casing head and the oil tree, and then the push handle can be held to push and rotate the gear ring, and the first circular gear and the worm rotate, thereby driving the worm gear and the rotary frame to rotate, and then the external driving member can be used to drive the rotary head to rotate, and the use of the rotating shaft, the first bevel gear, the second bevel gear, the second circular gear, the rotary ring and the lead screw can be used to drive the sleeve, the support ring and the rotary frame to move up and down as a whole, the threaded column passes through the through hole, and the two rotary frames are respectively pressed against the casing head and the oil tree, which is convenient for reinforcement, and finally the nut can be quickly tightened to achieve the tightening effect.

[0003] In summary, the tubing head in the above case is not only troublesome to install and remove, but also needs to be fixed with a nut. Utility Model Content

[0004] The purpose of the present invention is to address the deficiencies of the prior art and provide a tubing head that is convenient for quickly connecting oil well components, so as to solve the problem proposed in the above-mentioned background art that the tubing head provided in the above-mentioned case is not only troublesome to install and remove, but also requires a nut to achieve a fixing effect.

[0005] To achieve the above object, the present invention provides the following technical solutions: a tubing head for quickly connecting oil well components, comprising a tubing head structure, a connecting pipe structure being installed below the tubing head structure;

[0006] The tubing head structure includes a tubing head body as a basis, and a first connecting plate is fixed to one end of the tubing head body. The first connecting plate is provided with an installation groove for facilitating the installation of a sealing ring.

[0007] A first clamping piece is welded and fixed on the surface of the first connecting plate, and a first arc-shaped plate is welded and fixed on one side of the first clamping piece.

[0008] By adopting the above technical solution, the connection seal is enhanced by the provided sealing ring.

[0009] Preferably, the connecting pipe structure includes a connecting pipe body installed and connected to the oil well components, and a second connecting plate with a mounting groove is welded and fixed at one end of the connecting pipe body, and a funnel is fixed inside the second connecting plate, and a funnel filter is threadedly installed inside the funnel.

[0010] By adopting the above technical solution, threaded installation is achieved through the provided funnel.

[0011] Preferably, a second clamping piece is welded and fixed on the surface of the second connecting plate, and a second arc-shaped plate is also welded and fixed on one side of the second clamping piece.

[0012] By adopting the above technical solution, the second curved plate is provided to achieve rotation adjustment.

[0013] Preferably, the first clamping members are provided in a group, and the first clamping members are arranged about the axis of the first connecting disk.

[0014] By adopting the above technical solution, the first connecting plate is provided to play the role of opening and fixing. Preferably, the sealing ring and the installation groove are provided in a concentric circle.

[0015] By adopting the above technical solution, the provided installation grooves can achieve matching installation.

[0016] Preferably, the overall shape of the funnel filter is a "cone".

[0017] By adopting the above technical solution, the provided continuous funnel filter screen can achieve interception and filtration.

[0018] Compared with the prior art, the beneficial effects of the present invention are: the tubing head is convenient for quickly connecting oil well components,

[0019] (1) This case solves the problem that the tubing head provided in the above case is not only troublesome to install and disassemble, but also needs to be fixed by a nut in the end by setting: a first connecting plate, a first clamping piece, an installation groove, a sealing ring, a first arc plate, a second connecting plate, a second clamping piece, and a second arc plate. When the tubing head body and the connecting pipe body need to be installed and connected, the operator brings the tubing head body and the connecting pipe body into close contact, and then rotates the tubing head body so that the first connecting plate drives the first clamping piece and the first arc plate to rotate relative to the second connecting plate, the second clamping piece, and the second arc plate. When the tubing head body rotates to a limit position, the installation between the tubing head body and the connecting pipe body is completed.

[0020] (2) By setting up the funnel and the funnel filter, the problem that most of the current tubing heads may be blocked during use is solved. When the tubing head body is in use, the funnel and the funnel filter filter the crude oil containing impurities and then transport it to the inside of the tubing head body again. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0022] Figure 2 This is a structural diagram of the tubing head body, the first connecting plate, the first clamping member and the first arc-shaped plate of the utility model;

[0023] Figure 3 This is a structural schematic diagram of the connecting pipe body, the second connecting plate, the second clamping member and the second arc-shaped plate of the utility model;

[0024] Figure 4 This is a schematic structural diagram of the first connecting plate, sealing ring, mounting groove, first clamping member, first arc-shaped plate, second connecting plate, second clamping member and second arc-shaped plate of the utility model;

[0025] Figure 5 This is a schematic structural diagram of the funnel and funnel filter of the utility model.

[0026] In the figure: 1. Tubing head structure; 101. Tubing head body; 102. First connecting plate; 103. Sealing ring; 104. Mounting groove; 105. First clamping member; 106. First curved plate; 2. Connecting pipe structure; 201. Connecting pipe body; 202. Second connecting plate; 203. Funnel; 204. Funnel filter; 205. Second clamping member; 206. Second curved plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-5 The utility model provides a technical solution: a tubing head that is convenient for quickly connecting oil well components, such as Figure 1 、 Figure 2 and Figure 4As shown, the tubing head structure 1 includes a tubing head body 101 as a basis, and a first connecting plate 102 is fixed to one end of the tubing head body 101. At the same time, the first connecting plate 102 is provided with a mounting groove 104 for facilitating the mounting of a sealing ring 103. The sealing ring 103 and the mounting groove 104 are arranged in concentric circles. When the two are arranged in concentric circles, not only the matching connectivity of the two is reflected, but also the matching connection practicality and connection sealing performance of the two are reflected. Moreover, when the two are arranged in concentric circles, the concentric and coaxial matching aesthetics and the matching quick installation and disassembly performance of the two are reflected.

[0029] Furthermore, the above scheme has a first clamping member 105 welded and fixed on the surface of the first connecting disk 102, and a first arc-shaped plate 106 welded and fixed on one side of the first clamping member 105. A group of first clamping members 105 are provided, and the first clamping member 105 is arranged about the axis of the first connecting disk 102. When a group of the above components are provided, it not only reflects the force rotation adjustability of the installation arrangement of the above components, but also reflects the rotation locking limit of the installation arrangement of the above components. Moreover, when a group of the above components are provided, the axial symmetry of the installation arrangement of the above components is also reflected.

[0030] like Figure 3 and Figure 5 As shown, a connecting pipe structure 2 is installed below the tubing head structure 1. The connecting pipe structure 2 includes a connecting pipe body 201 that is installed and connected to the oil well components, and a second connecting disk 202 with a mounting groove 104 is welded and fixed at one end of the connecting pipe body 201. At the same time, a funnel 203 is fixed inside the second connecting disk 202, and a funnel filter 204 is threadedly installed inside the funnel 203. The overall shape of the funnel filter 204 is "conical". When the overall shape of the above-mentioned components is "conical", it not only reflects the threaded installation between the above-mentioned components and the funnel 203, but also reflects the quick installation and disassembly between the above-mentioned components and the funnel 203. In addition, when the overall shape of the above-mentioned components is "conical", the axial and longitudinal axis symmetry of the installation of the above-mentioned components is also reflected.

[0031] Furthermore, in the above solution, a second clamping member 205 is welded and fixed on the surface of the second connecting plate 202 , and a second arc-shaped plate 206 is also welded and fixed on one side of the second clamping member 205 .

[0032] In the above scheme, when the tubing head body 101 and the connecting pipe body 201 need to be installed and connected, the operator brings the tubing head body 101 into close contact with the connecting pipe body 201, and then rotates the tubing head body 101 so that the first connecting disk 102 drives the first clamping member 105 and the first curved plate 106 to rotate relative to the second connecting disk 202, the second clamping member 205 and the second curved plate 206. When the tubing head body 101 rotates to a limit position, the installation between the tubing head body 101 and the connecting pipe body 201 is completed.

[0033] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the protection content of the present invention.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A tubing head for quickly connecting oil well components, comprising a tubing head structure (1), characterized in that: A connecting pipe structure (2) is installed below the tubing head structure (1); The tubing head structure (1) comprises a tubing head body (101) as a base, and a first connecting plate (102) is fixed to one end of the tubing head body (101), and the first connecting plate (102) is provided with an installation groove (104) for facilitating the installation of a sealing ring (103); A first clamping member (105) is welded and fixed on the surface of the first connecting plate (102), and a first arc-shaped plate (106) is welded and fixed on one side of the first clamping member (105).

2. The tubing head for quick connection of oil well components according to claim 1, characterized in that: The connecting pipe structure (2) comprises a connecting pipe body (201) connected to the oil well components, and a second connecting disc (202) with a mounting groove (104) is welded and fixed to one end of the connecting pipe body (201), and a funnel (203) is fixed inside the second connecting disc (202), and a funnel filter (204) is threadedly installed inside the funnel (203).

3. The tubing head for quick connection of oil well components according to claim 2, characterized in that: A second clamping member (205) is welded and fixed on the surface of the second connecting plate (202), and a second arc-shaped plate (206) is also welded and fixed on one side of the second clamping member (205).

4. The tubing head for quick connection of oil well components according to claim 1, characterized in that: The first clamping members (105) are provided in one group, and the first clamping members (105) are arranged about the axis of the first connecting disk (102).

5. The tubing head for quick connection of oil well components according to claim 1, characterized in that: The sealing ring (103) and the mounting groove (104) are arranged concentrically.

6. The tubing head for quick connection of oil well components according to claim 2, characterized in that: The funnel filter (204) is configured in a "conical" shape as a whole.

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