CN220600788U - High-pressure movable elbow for oil field well workover - Google Patents

Abstract

The utility model provides a high-pressure movable elbow for oil field well repair, which comprises a union joint, a first elbow, a second elbow and a water inlet pipe joint, wherein the first elbow and the second elbow are connected through a sleeve structure, a ball is clamped between the sleeve structure, the high-pressure movable elbow for oil field well repair also comprises a square plastic jacket sleeved outside the sleeve structure, the plane where the axis of the first elbow and the axis of the second elbow are located is an elbow plane, each side face of the square plastic jacket is parallel or perpendicular to the elbow plane, an elastic wear-resisting layer is arranged on the inner wall of the square plastic jacket, and the elastic wear-resisting layer is in tight contact with the outer wall of the sleeve structure. The high-pressure movable elbow for well workover in the oil field has the advantages of scientific design, more compact placement, difficult collision during transportation and strong practicability.

Description

High-pressure movable elbow for oil field well workover

Technical Field

The utility model relates to an oil extraction wellhead fitting, in particular to a high-pressure movable elbow for oil field well repair.

Background

The movable elbow is a common accessory for connecting pipelines in oilfield workover operation, and has the advantages of changeable adjustment direction, quick connection and the like. The U-shaped movable elbow is a common shape in movable elbow, traditional U-shaped movable elbow comprises parts such as union joint, first return bend, second return bend and water inlet pipe connector, and first return bend and second return bend butt joint are at the blind end of U-shaped movable elbow, and both adopt sleeve structure to connect, and junction outward appearance is cylindrical, among each part, union joint diameter is biggest, and be provided with the lug at the outer peripheral face, each part is bigger in butt joint department diameter, other place diameters are less, water inlet pipe joint department still is provided with the external screw thread, because everywhere size is different, when packing a large amount of U-shaped movable elbow, can only cross put it in the case, occupation space is great, and each movable elbow is very easy to collide with the damage during transportation in addition.

In order to solve the above problems, an ideal technical solution is always sought.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides the high-pressure movable elbow for repairing the oil field, which is scientific in design, compact in arrangement, not easy to collide during transportation and high in practicability.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a high-pressure movable elbow for oil field workover, includes union joint, first return bend, second return bend and water inlet pipe joint, first return bend with the second return bend passes through the sleeve structure and connects, the intermediate clamp of sleeve structure is equipped with the ball, and this high-pressure movable elbow for oil field workover still includes the cover and establishes the square plastics of sleeve structure outside presss from both sides the cover, establish first return bend axis the plane at second return bend axis place is the elbow plane, each side that square plastics pressed from both sides the cover all with the elbow plane is parallel or perpendicular, square plastics presss from both sides the cover inner wall and is provided with elasticity wearing layer, elasticity wearing layer with sleeve structure outer wall in close contact.

Based on the above, the square plastic jacket comprises a first buckling piece and a second buckling piece which are buckled together, wherein two sides of the first buckling piece are connected with two sides of the second buckling piece through bolts, and the inner wall of the first buckling piece is buckled with the inner wall of the second buckling piece to form the elastic wear-resistant layer.

Based on the above, the elastic wear-resistant layer is a wear-resistant rubber layer.

Based on the above, four stop lever holes are formed in four corners of the square plastic jacket, the axes of the stop lever holes are parallel to the plane of the elbow, and the stop lever holes are used for inserting stop levers.

Based on the above, the square plastic jacket is provided with a handle groove on the side wall far away from the opening end of the movable elbow, and a hidden handle is hinged in the handle groove.

Compared with the prior art, the utility model has substantial characteristics and progress, in particular, the square plastic jacket is sleeved on the basis of the sleeve structure of the closed end of the traditional U-shaped movable elbow, the elastic wear-resistant layer is tightly contacted with the outer wall of the sleeve structure, so that the two parts are in a relatively static state by virtue of friction force, the open ends of the movable elbow are upwards, the square plastic jacket is downwards placed when in packaging, and the two adjacent movable elbows are tightly abutted together through the square plastic jacket, and the two ends are mutually reversed, so that the union joint and the water inlet pipe joint are abutted together and cannot interfere with each other, and the square plastic jacket has the advantages of more compact and firm placement, scientific design, more compact placement, difficult collision during transportation and strong practicability.

Further, the square plastic jacket is divided into the first buckling piece and the second buckling piece, so that the square plastic jacket is convenient to assemble, disassemble and reuse; a U-shaped movable elbow can be longitudinally arranged above the square plastic jackets and can be controlled not to shake greatly after a stop lever is inserted into the stop lever hole, so that the arrangement compactness and stability are further improved; the hidden handle is convenient for the staff to carry the movable elbow.

Drawings

Fig. 1 is a schematic view of a high-pressure movable elbow for oil Tian Xiujing in the present utility model.

FIG. 2 is a schematic diagram of a plurality of high pressure movable elbows for oilfield workover in accordance with the present utility model.

FIG. 3 is a side view of a square plastic jacket of the present utility model.

FIG. 4 is a side view of another orientation of the square plastic jacket of the present utility model.

In the figure: 1. union joints; 2. a first elbow; 3. a second elbow; 4. a water inlet pipe joint; 5. a sleeve structure; 6. a square plastic jacket; 7. an elastic wear layer; 8. a bolt; 9. a stop lever hole; 10. a stop lever; 11. a handle groove; 12. a hidden handle; 61. a first fastener; 62. and a second fastener.

Detailed Description

The technical scheme of the utility model is further described in detail through the following specific embodiments.

As shown in fig. 1-4, the high-pressure movable elbow for oil field well workover comprises a union joint 1, a first elbow pipe 2, a second elbow pipe 3 and a water inlet pipe joint 4, wherein the first elbow pipe 2 and the second elbow pipe 3 are connected through a sleeve structure 5, a ball is clamped between the sleeve structure 5, and the structure is a conventional structure of the conventional U-shaped movable elbow and does not need to carry out creative labor.

For convenient packing and transportation, this high pressure activity elbow for oil field workover still includes the cover and establishes square plastics jacket 6 in the sleeve pipe structure 5 outside establishes the plane that first return bend 2 axis the axis place of second return bend 3 is the elbow plane, each side of square plastics jacket 6 all with the elbow plane is parallel or perpendicular, square plastics jacket 6 inner wall is provided with elasticity wearing layer 7, elasticity wearing layer 7 with sleeve pipe structure 5 outer wall in close contact with can make square plastics jacket 6 and sleeve pipe structure 5 keep relatively static through frictional force, wherein, elasticity wearing layer 7 specifically adopts wear-resisting rubber layer.

When the movable elbow is particularly used, the opening ends of the movable elbows face upwards, the square plastic jackets 6 face downwards, two adjacent movable elbows are abutted together through the square plastic jackets 6, and the two ends of the movable elbows are mutually reversed, so that the union joint 1 and the water inlet pipe joint 4 are alternately arranged and abutted together, and the movable elbows and the water inlet pipe joint are not mutually interfered, so that the movable elbow is compactly and firmly arranged.

For convenient disassembly and reuse, the square plastic jacket 6 comprises a first buckling piece 61 and a second buckling piece 62 which are buckled together, two sides of the first buckling piece 61 are connected with two sides of the second buckling piece 62 through bolts 8, and the inner wall of the first buckling piece 61 and the inner wall of the second buckling piece 62 are buckled to form the elastic wear-resistant layer 7.

In order to further improve the placement compactness and the firmness, four stop lever holes 9 are formed in four corners of the square plastic jacket 6, the axes of the stop lever holes 9 are parallel to the plane of the elbow, and stop levers 10 are inserted into the stop lever holes 9; when the square plastic jacket is used, a U-shaped movable elbow can be longitudinally placed above the square plastic jackets 6, and after the stop rod 10 is inserted into the stop rod hole 9, the bent pipe part of the upper movable elbow can be controlled not to shake greatly.

In order to facilitate manual transfer, a handle groove 11 is formed in the side wall of the square plastic jacket 6 far away from the opening end of the movable elbow, and a hidden handle 12 is hinged in the handle groove 11; when the user needs to carry the bag, the hidden handle 12 is rotated out of the handle groove 11, and when the user needs to put the bag, the hidden handle 12 is rotated into the handle groove 11.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present utility model and are not limiting; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims (5)

1. The utility model provides an oil field is high pressure activity elbow for workover, includes union joint, first return bend, second return bend and water inlet pipe joint, first return bend with the second return bend passes through the sleeve pipe structural connection, the intermediate clamp of sleeve pipe structure is equipped with ball, its characterized in that: the square plastic jacket is sleeved outside the sleeve structure, the plane where the first elbow axis and the second elbow axis are located is an elbow plane, each side face of the square plastic jacket is parallel or perpendicular to the elbow plane, an elastic wear-resistant layer is arranged on the inner wall of the square plastic jacket, and the elastic wear-resistant layer is in tight contact with the outer wall of the sleeve structure.

2. The high pressure movable elbow for oilfield workover of claim 1, wherein: the square plastic jacket comprises a first buckling piece and a second buckling piece which are buckled together, two sides of the first buckling piece are connected with two sides of the second buckling piece through bolts, and the inner wall of the first buckling piece is buckled with the inner wall of the second buckling piece to form the elastic wear-resistant layer.

3. The high pressure movable elbow for oilfield workover of claim 2, wherein: the elastic wear-resistant layer is a wear-resistant rubber layer.

4. A high pressure activity bend for oilfield workover as defined in any one of claims 1-3 wherein: four stop lever holes are formed in four corners of the square plastic jacket, the axes of the stop lever holes are parallel to the plane of the elbow, and stop levers are inserted into the stop lever holes.

5. The high pressure movable elbow for oilfield workover of claim 4, wherein: the square plastic jacket is provided with a handle groove on the side wall far away from the opening end of the movable elbow, and a hidden handle is hinged in the handle groove.