Valve plate sealing protection device for oil field

Abstract

The utility model relates to the technical field of oil fields, and discloses an oil field valve plate sealing protection device which comprises a valve body, and a sealing protection mechanism is arranged on the valve body. The sealing protection mechanism comprises a sealing bottom plate and a sealing shell, and the sealing bottom plate is fixedly connected to the top of the valve body. Outer layer protection is formed on the valve body through the arranged sealing bottom plate and the sealing shell, two layers of protection are formed through the sealing plate and the sealing gasket, and therefore a sealing space is formed in the sealing shell, external impurities are effectively prevented from entering the sealing shell, the protection performance on the valve body is improved, a user can use the valve conveniently, and the service life of the valve is prolonged. And by means of opposite attraction of the first magnet ring and the second magnet ring, mounting and fixing of the sealing shell are facilitated, dismounting and mounting are convenient, and use convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oilfield technical field, concretely is a valve plate sealing protection device for oilfield. BACKGROUND

[0002] The Christmas tree is the wellhead device for self-blowing well and machine mining well to exploit petroleum. It is the main equipment of the uppermost control and regulation of oil and gas well production, and the Christmas tree component parts mainly have the oil pipe head, the oil pipe hang, the flange and some valves. However, the existing valve does not have the function of sealing protection, and the valve is easy to be blown by the wind and rained on in use, thereby causing the aggravation of the valve wear, and finally the phenomenon that the valve cannot drive the valve plate, which is inconvenient for the user to use, and reduces the practicability of the valve plate of the valve. SUMMARY

[0003] The technical problem to be solved by the utility model lies in providing a valve plate sealing protection device for oilfield in view of the deficiencies in the prior art.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a valve plate sealing protection device for oilfield, which comprises a valve body, and a sealing protection mechanism is arranged on the valve body.

[0005] The sealing protection mechanism comprises a sealing bottom plate and a sealing shell, the sealing bottom plate is fixedly connected to the top of the valve body, the sealing shell is arranged on the top of the sealing bottom plate, the top of the sealing shell is arranged in an umbrella shape, which can prevent rainwater from accumulating on the sealing shell, avoid the erosion of rainwater to the sealing shell, and prolong the service life of the sealing shell, a sealing plate is fixedly connected to the top of the sealing bottom plate, the sealing plate is inserted into the sealing shell, a sealing gasket is fixedly connected to the top of the sealing plate, a magnet ring one is fixedly connected to the top of the sealing bottom plate, and a magnet ring two is fixedly connected to the inner wall of the sealing shell.

[0006] Preferably, the bottom of the sealing shell is provided with a slot, and the sealing plate is inserted into the slot.

[0007] Preferably, the magnet ring two is close to the bottom of the sealing shell, and the magnet ring two and the magnet ring one are attracted to each other.

[0008] Preferably, a moisture-proof mechanism is arranged on the sealing shell, and the moisture-proof mechanism comprises a connecting ring and a containing cylinder, the connecting ring is fixedly connected to the top inner wall of the sealing shell, and the containing cylinder is threadedly connected to the outer wall of the connecting ring.

[0009] Preferably, the outer wall of the connecting ring is provided with external threads, the inner wall of the containing cylinder is provided with internal threads matched with the connecting ring, and the inside of the containing cylinder is provided with a drying agent.

[0010] Preferably, the outer wall and the bottom of the containing cylinder are provided with a plurality of air holes.

[0011] The above technical solution can bring the following beneficial effects:

[0012] 1. The valve plate sealing protection device for oil field valves, by setting the sealing bottom plate and the sealing shell to form an outer protection for the valve body, using the sealing plate and the sealing gasket to form a two-layer protection, so that a sealed space is formed in the sealing shell, effectively preventing foreign matter from entering the inside of the sealing shell, improving the protection of the valve body, facilitating the use of the user, and further improving the practicality of the valve plate of the valve, and using the magnet ring one and the magnet ring two to attract each other, thereby facilitating the installation and fixation of the sealing shell, convenient to disassemble and assemble, and improving the use convenience.

[0013] 2. The valve plate sealing protection device for oil field valves, by setting a drying agent in the containing cylinder, using the drying agent to absorb the moisture in the sealing shell, preventing the moisture from damaging the valve body, and further improving the protection of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front structure schematic view of the utility model;

[0015] Figure 2 It is a local front view sectional view of the utility model;

[0016] Figure 3 It is Figure 2 the enlarged view of A of the utility model;

[0017] Figure 4 It is Figure 2 the enlarged view of B of the utility model.

[0018] In the drawing: 1, valve body; 2, sealing protection mechanism; 21, sealing bottom plate; 22, sealing shell; 23, sealing plate; 24, sealing gasket; 25, magnet ring one; 26, magnet ring two; 3, moisture-proof mechanism; 31, connecting ring; 32, containing cylinder; 33, air hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] In the description of the utility model, it is necessary to understand that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0021] In the description of the utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "mounting", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0022] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "several" is two or more than two, unless otherwise expressly specified and limited.

[0023] Please refer to Figures 1-4The utility model discloses an oilfield valve valve plate sealing protection device, including the valve body 1, be provided with sealing protection mechanism 2 on the valve body 1, sealing protection mechanism 2 includes: sealing bottom plate 21, sealing shell 22, sealing bottom plate 21 fixedly connected at the top of valve body 1, sealing shell 22 sets up at the top of sealing bottom plate 21, the top of sealing shell 22 is arranged in an umbrella shape, can prevent rainwater accumulation on sealing shell 22, avoid rainwater to carry out the corrosion of sealing shell 22, prolong the service life of sealing shell 22, the top of sealing bottom plate 21 is fixedly connected with sealing plate 23, and sealing plate 23 is inserted on sealing shell 22, and the bottom of sealing shell 22 is set up with the slot, and sealing plate 23 is inserted in the slot, and the top of sealing plate 23 is fixedly connected with sealing pad 24, and the outer layer protection is formed to valve body 1 through the sealing bottom plate 21, sealing shell 22 set up, utilizes sealing plate 23, sealing pad 24 and forms two layer protection, to form the sealed space in sealing shell 22, effectively prevent the impurity of outside from entering the inside of sealing shell 22, improve the protection of valve body 1, the use of the user is convenient, and then improve the practicality of valve valve plate, the top of sealing bottom plate 21 is fixedly connected with magnet ring one 25, and the inner wall of sealing shell 22 is fixedly connected with magnet ring two 26, and magnet ring two 26 is close to the bottom of sealing shell 22, and magnet ring two 26 and magnet ring one 25 repel each other, and the installation of sealing shell 22 is convenient through the repulsion of magnet ring one 25 and magnet ring two 26, and is convenient to disassemble, and the use convenience is improved.

[0024] Working principle: the sealing bottom plate 21 is fixed on the valve body 1, then sealing shell 22 is installed on the sealing bottom plate 21, and sealing plate 23, sealing pad 24 are inserted into the slot in the bottom of sealing shell 22, and magnet ring two 26 and magnet ring one 25 repel each other, so that sealing shell 22 is fixed on the sealing bottom plate 21, the outer layer protection is formed to valve body 1 through the sealing bottom plate 21, sealing shell 22 set up, and two layer protection is formed simultaneously by sealing plate 23, sealing pad 24, so that a sealed space is formed in sealing shell 22, effectively prevent the impurity of outside from entering the inside of sealing shell 22, so as to protect the valve body 1, on the contrary, pull sealing shell 22 upwards to drive magnet ring two 26 to move and separate from magnet ring one 25, so that sealing shell 22 is separated from the sealing bottom plate 21, and the use of the user is convenient.

[0025] Please refer to Figures 1-4Based on the above embodiments, in another embodiment of this utility model, a moisture-proof mechanism 3 is provided on the sealing shell 22. The moisture-proof mechanism 3 includes: a connecting ring 31 and a holding cylinder 32. The connecting ring 31 is fixedly connected to the top inner wall of the sealing shell 22, and the holding cylinder 32 is threadedly connected to the outer wall of the connecting ring 31. The outer wall of the connecting ring 31 has an external thread, and the upper part of the inner wall of the holding cylinder 32 has an internal thread that matches the connecting ring 31. A desiccant is provided inside the holding cylinder 32. Several vent holes 33 are provided on the outer wall and bottom of the holding cylinder 32. The vent holes 33 facilitate the entry of moisture into the holding cylinder 32. By providing a desiccant in the holding cylinder 32, the desiccant absorbs the moisture in the sealing shell 22, preventing moisture from damaging the valve body 1 and further improving the protection of the valve body 1.

[0026] Working principle: By placing a desiccant inside the container 32, moisture inside the sealing shell 22 can enter the container 32 through the vent 33. The desiccant absorbs the moisture inside the sealing shell 22, preventing moisture from damaging the valve body 1. Furthermore, by rotating the container 32, the container 32 can be separated from the connecting ring 31, thereby removing the container 32 from the sealing shell 22, allowing for periodic replacement of the desiccant.

[0027] It is worth noting that the valve body 1 in the above embodiment is a commonly used device in the prior art. The model and other features can be customized according to actual usage requirements. In addition, the power supply interface of the electrical equipment in this utility model is connected to the power supply system through a switch (not shown in the figure) and a wire (not shown in the figure) to realize its control. The circuits and controls involved are all prior art and are known in the current field. They will not be described in detail here.

[0028] This utility model provides a valve plate sealing protection device for oilfield valves. There are many methods and approaches to implement this technical solution. The above description is only a preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model. All components not explicitly stated in this embodiment can be implemented using existing technology.

Claims

1. A valve seat seal protection device for oilfield valves comprising a valve body (1), characterized in that: The valve body (1) is provided with a sealing protection mechanism (2); The sealing protection mechanism (2) comprises a sealing bottom plate (21), a sealing shell (22), the sealing bottom plate (21) is fixedly connected to the top of the valve body (1), the sealing shell (22) is arranged on the top of the sealing bottom plate (21), the top of the sealing bottom plate (21) is fixedly connected with a sealing plate (23), the sealing plate (23) is inserted into the sealing shell (22), the top of the sealing plate (23) is fixedly connected with a sealing gasket (24), the top of the sealing bottom plate (21) is fixedly connected with a magnet ring one (25), the inner wall of the sealing shell (22) is fixedly connected with a magnet ring two (26).

2. A valve trim seal protection device for oilfield valves as defined in claim 1, wherein: The bottom of the sealing shell (22) is provided with a slot, and the sealing plate (23) is inserted into the slot.

3. A valve seat seal protection device for oilfield valves as defined in claim 1, characterized in that: The magnet ring two (26) is close to the bottom of the sealing shell (22), and the magnet ring two (26) and the magnet ring one (25) are opposite in nature.

4. A valve seat seal protection device for oilfield valves as defined in claim 1, characterized in that: The sealing shell (22) is provided with a moisture-proof mechanism (3), the moisture-proof mechanism (3) comprises a connecting ring (31) and a containing cylinder (32), the connecting ring (31) is fixedly connected to the top inner wall of the sealing shell (22), and the containing cylinder (32) is screw-connected to the outer wall of the connecting ring (31).

5. A valve trim seal protection device for oilfield valves as defined in claim 4, wherein: The outer wall of the connecting ring (31) is provided with external threads, the inner wall of the containing cylinder (32) is provided with internal threads matched with the connecting ring (31), and the inside of the containing cylinder (32) is provided with a drying agent.

6. A valve trim seal protection device for oilfield valves as defined in claim 5, wherein: The outer wall and the bottom of the containing cylinder (32) are provided with a plurality of air holes (33).

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