Composite packer rubber sleeve

Abstract

The utility model discloses a combined type packer rubber sleeve which comprises a rubber sleeve body, the rubber sleeve body comprises an upper rubber sleeve body, a middle rubber sleeve body and a lower rubber sleeve body, the upper rubber sleeve body and the lower rubber sleeve body are connected with the middle rubber sleeve body, installation plates are detachably arranged on the upper rubber sleeve body and the lower rubber sleeve body, a middle pipe is arranged in the rubber sleeve body, and the middle pipe is connected with the middle rubber sleeve body. The upper rubber cylinder, the middle rubber cylinder and the lower rubber cylinder are matched to form a whole rubber cylinder body; the middle pipe is provided with pushing structures, each pushing structure comprises an air guide pipe, a first piston rod, a second piston rod and a limiting ring, the multiple sets of pushing structures are arranged, the air guide pipes are hollow, the first piston rods and the second piston rods are movably arranged in the air guide pipes, and the limiting rings are installed on the air guide pipes; and the inner wall of the middle rubber sleeve is conveniently pushed through the pushing structure, so that the middle rubber sleeve deforms.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of packer, more specifically, it relates to a composite packer rubber cylinder. BACKGROUND

[0002] In the process of drilling oil, packer is very common, and it is an essential tool for oil exploitation and a tool for realizing the purpose of multiple operations in oil exploitation operations. A rubber barrel is generally arranged on the packer. The rubber barrel is extruded by compression from top to bottom to extrude the rubber cylinder, so that the rubber cylinder is deformed under the action of external force, thereby expanding outward in the horizontal direction to realize the sealing effect. However, in the process of extruding from top to bottom, the upper and lower parts of the rubber barrel are first deformed under stress. Only when the upper and lower parts reach a certain deformation, the middle part will be deformed. Therefore, in the use process of the rubber cylinder, the deformation of each part is not synchronized, which is easy to cause the upper and lower parts of the rubber cylinder to be damaged under the extrusion of high pressure, thereby affecting the normal use of the packer. Moreover, the existing rubber cylinder is installed on the packer. When the rubber cylinder is damaged and needs to be replaced, it is not convenient to replace, thereby affecting the use of the packer. SUMMARY

[0003] (I) Technical problem solved

[0004] In view of the problems existing in the prior art, the utility model provides a composite packer rubber cylinder to solve the technical problems mentioned in the background art.

[0005] (II) Technical scheme

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a composite packer rubber cylinder, comprising a rubber cylinder body, the rubber cylinder body comprises an upper rubber cylinder, a middle rubber cylinder and a lower rubber cylinder, the upper rubber cylinder and the lower rubber cylinder are connected with the middle rubber cylinder, the upper rubber cylinder and the lower rubber cylinder are detachably provided with a mounting plate, the rubber cylinder body is internally provided with an intermediate pipe, and the entire rubber cylinder body is formed by the cooperation of the upper rubber cylinder, the middle rubber cylinder and the lower rubber cylinder.

[0007] The intermediate pipe is provided with a pushing structure, the pushing structure comprises a gas guide pipe, a first piston rod, a second piston rod and a limiting ring, the pushing structure is provided with multiple groups, the gas guide pipe is hollow inside, the first piston rod and the second piston rod are movably arranged inside the gas guide pipe, and the limiting ring is installed on the gas guide pipe. The pushing structure facilitates the pushing of the inner wall of the middle rubber cylinder, so that the middle rubber cylinder is deformed.

[0008] The utility model is further provided with a protruding ring on the upper rubber cylinder and the lower rubber cylinder, a placing groove is formed in the mounting plate, a compression ring is detachably arranged on the upper rubber cylinder and the lower rubber cylinder, a fixing ring is arranged on the upper end of the compression ring, and the fixing ring and the compression ring are fixedly connected, so that the protruding ring is installed in the placing groove

[0009] The utility model further sets up, fixed ring and protruding ring all with the mutual cooperation between placing groove, the connecting hole is seted up on the compression ring and mounting panel, the connecting hole sets up a plurality, the connecting hole is provided with screw thread, the connecting hole seted up on the compression ring and the connecting hole seted up on mounting panel between bolt connection, thereby connecting mounting panel with glue cylinder and lower glue cylinder.

[0010] The utility model further sets up, one end of first piston rod is fixedly seted up with cooperation piece, one end of second piston rod is fixedly seted up with push piece, the other end of first piston rod and second piston rod all is provided with limit block, the lower end of limit ring is fixedly seted up with extension ring, the inner wall between extension ring and air duct is mutually matched, thereby facilitating the movement of first piston and second piston in air duct.

[0011] The utility model further sets up, be provided with screw thread on extension ring, the top of air duct is provided with screw thread, the threaded connection between extension ring and air duct, the through hole that limit ring is seted up with cooperation of first piston rod and second piston rod, thereby facilitating the movement of first piston rod and second piston rod.

[0012] The utility model further sets up, first piston rod and second piston rod all are connected with air duct and limit ring and slide, the diameter of limit block, extension ring is same with the diameter of air duct inner wall, thereby realizing the function of limit ring limit through the cooperation of extension ring and limit block.

[0013] The utility model further sets up, seted up a plurality of installation rings in the slot of middle pipe, the side end of air duct is fixedly seted up with installation block, the mutual cooperation between installation block and installation ring, thereby facilitating the installation of air duct on middle pipe.

[0014] The utility model further sets up, the lower end of mounting panel is provided with cooperation ring, cooperation ring sets up a plurality, the fixed connection between cooperation ring and mounting panel, thereby through the cooperation of cooperation ring and cooperation piece, the movement of mounting panel promotes the movement of first piston.

[0015] (Three) beneficial effect

[0016] Compared with the prior art, the utility model provides a composite packer rubber cylinder, has the following

[0017] Beneficial effect:

[0018] 1. The utility model discloses a glue cylinder and lower glue cylinder on the protruding ring is set, when in the upper glue cylinder and lower glue cylinder with mounting plate connection, the compression ring is first set up in protruding ring, and the fixed ring that sets up on the compression ring supports the protruding ring that sets up on the upper glue cylinder and lower glue cylinder, through the cooperation of protruding ring and placing groove, the mounting plate is buckled on the upper end of protruding ring, through the bolt is screwed into the connecting hole that has seted up on the compression ring and mounting plate, thereby connecting between mounting plate and upper glue cylinder, lower glue cylinder, the other structure of mounting plate and packer is connected, thereby facilitating the glue cylinder body is installed on the packer, thereby facilitating the installation and dismounting of glue cylinder body.

[0019] 2. The utility model discloses a push structure is set up, and the cooperation ring that sets up on the mounting plate is cooperated with the push block of first piston rod one end, thereby when using packer, the other structure of packer promotes the movement of mounting plate, thereby simultaneously compressing upper glue cylinder and lower glue cylinder, and the first piston rod moves when the mounting plate drops, thereby the limiting block that sets up one end of first piston rod extrudes the air in gas duct, and the air is compressed and enters the movement space of second piston rod in gas duct, thereby promoting the movement of second piston rod, thereby the push block that sets up on second piston rod pushes the deformation transversely of middle glue cylinder, thereby realizing the deformation of each part of glue cylinder body simultaneously, and the pressure of glue cylinder body is relieved.

[0020] 3. The utility model discloses a lack slot is set up on the intermediate pipe, and the installation ring is seted up in the lack slot, through the cooperation of installation ring and mounting block, it is convenient for installing gas duct on the intermediate pipe, through setting up the threaded hole on installation ring and mounting block, it is convenient for installing gas duct through bolt, thereby facilitating the replacement of gas duct after the damage of gas duct. ACCURACY OF DRAWINGS

[0021] Figure 1 It is a kind of composite packer glue cylinder's overall structure schematic diagram;

[0022] Figure 2 It is a kind of composite packer glue cylinder's internal structure schematic diagram;

[0023] Figure 3 It is a kind of composite packer glue cylinder's mounting plate, glue cylinder body and the cooperation structure schematic diagram of compression ring;

[0024] Figure 4 It is a kind of composite packer glue cylinder's intermediate pipe and the cooperation structure schematic diagram of push structure;

[0025] Figure 5 It is a kind of composite packer glue cylinder's push structure's cooperation structure schematic diagram.

[0026] In the figure: 1, rubber cylinder body; 2, upper rubber cylinder; 3, middle rubber cylinder; 4, lower rubber cylinder; 5, mounting plate; 6, intermediate pipe; 7, air guide pipe; 8, first piston rod; 9, second piston rod; 10, limiting ring; 11, protruding ring; 12, placing groove; 13, pressing ring; 14, fixing ring; 15, connecting hole; 16, matching block; 17, push block; 18, limiting block; 19, extension ring; 20, through hole; 21, missing groove; 22, mounting ring; 23, mounting block; 24, matching ring. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0029] In the present application, unless otherwise stated, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" is generally with respect to the left and right shown in the drawings; "inner, outer" refers to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0030] Please refer to Figures 1-5 A composite packer rubber cylinder, comprising a rubber cylinder body 1, the rubber cylinder body 1 comprising an upper rubber cylinder 2, a middle rubber cylinder 3 and a lower rubber cylinder 4, the upper rubber cylinder 2 and the lower rubber cylinder 4 are connected with the middle rubber cylinder 3, the upper rubber cylinder 2 and the lower rubber cylinder 4 are detachably provided with a mounting plate 5, and the rubber cylinder body 1 is internally provided with an intermediate pipe 6.

[0031] The intermediate pipe 6 is provided with a pushing structure, the pushing structure comprising an air guide pipe 7, a first piston rod 8, a second piston rod 9 and a limiting ring 10, the pushing structure is provided with multiple groups, the air guide pipe 7 is hollow inside, the first piston rod 8 and the second piston rod 9 are movably arranged inside the air guide pipe 7, and the limiting ring 10 is installed on the air guide pipe 7.

[0032] In the present embodiment, the mounting plate 5 is used to realize the connection between the rubber cylinder body 1, which facilitates the installation and disassembly of the rubber cylinder body 1.

[0033] More specifically, the pushing structure facilitates the movement of the middle rubber cylinder 3.

[0034] Please refer to Figures 1-5As an embodiment of connecting the rubber cylinder body 1 and the mounting plate 5: the upper rubber cylinder 2 and the lower rubber cylinder 4 are provided with protruding rings 11, and the mounting plate 5 is provided with a placing groove 12, the upper rubber cylinder 2 and the lower rubber cylinder 4 are detachably provided with pressing rings 13, the upper end of the pressing ring 13 is provided with a fixing ring 14, the fixing ring 14 is fixedly connected with the pressing ring 13, the fixing ring 14 and the protruding ring 11 are matched with the placing groove 12, the pressing ring 13 and the mounting plate 5 are provided with connecting holes 15, the connecting holes 15 are provided with multiple, the connecting holes 15 are provided with threads, and the connecting holes 15 provided on the pressing ring 13 are bolted with the connecting holes 15 provided on the mounting plate 5;

[0035] Specifically, when connecting the upper rubber cylinder 2 and the lower rubber cylinder 4 with the mounting plate 5, the pressing ring 13 is first sleeved on the protruding ring 11, the fixing ring 14 provided on the pressing ring 13 supports the protruding ring 11 provided on the upper rubber cylinder 2 and the lower rubber cylinder 4, the mounting plate 5 is buckled on the upper end of the protruding ring 11 through the cooperation of the protruding ring 11 and the placing groove 12, and the mounting plate 5 is connected with the upper rubber cylinder 2 and the lower rubber cylinder 4 by screwing the bolts into the connecting holes 15 provided on the pressing ring 13 and the mounting plate 5, and the mounting plate 5 is connected with other structures of the packer.

[0036] Please refer to Figures 1-5 As an embodiment of the pushing structure: one end of the first piston rod 8 is fixedly provided with a matching block 16, one end of the second piston rod 9 is fixedly provided with a pushing block 17, the other end of the first piston rod 8 and the second piston rod 9 are provided with limiting blocks 18, the lower end of the limiting ring 10 is fixedly provided with an extension ring 19, the extension ring 19 is matched with the inner wall of the air guide pipe 7, the extension ring 19 is provided with threads, the top end of the air guide pipe 7 is provided with threads, the extension ring 19 and the air guide pipe 7 are threadedly connected, the limiting ring 10 is provided with through holes 20 matched with the first piston rod 8 and the second piston rod 9, the first piston rod 8 and the second piston rod 9 are slidingly connected with the air guide pipe 7 and the limiting ring 10, the diameters of the limiting blocks 18 and the extension ring 19 are the same as the diameter of the inner wall of the air guide pipe 7, the middle pipe 6 is provided with a missing slot 21, the missing slot 21 is fixedly provided with mounting rings 22, the mounting rings 22 are provided with multiple, the side end of the air guide pipe 7 is fixedly provided with a mounting block 23, the mounting block 23 is matched with the mounting ring 22, the lower end of the mounting plate 5 is provided with matching rings 24, the matching rings 24 are provided with multiple, and the matching rings 24 are fixedly connected with the mounting plate 5;

[0037] Specifically, when the packer is used, other structures of the packer push the mounting plate 5 to move, thereby simultaneously compressing the upper rubber cylinder 2 and the lower rubber cylinder 4, the first piston rod 8 is pushed to move while the mounting plate 5 is lowered, thereby the limiting block 18 arranged at one end of the first piston rod 8 extrudes the air in the air guide pipe 7, the air is compressed to enter the moving space of the second piston rod 9 in the air guide pipe 7, thereby pushing the second piston rod 9 to move, thereby the pushing block 17 arranged on the second piston rod 9 pushes the middle rubber cylinder 3 to deform and extend transversely.

[0038] In summary, the whole is used:

[0039] When the upper rubber cylinder 2 and the lower rubber cylinder 4 are connected with the mounting plate 5, the compression ring 13 is first sleeved on the protruding ring 11, the fixing ring 14 arranged on the compression ring 13 supports the protruding ring 11 arranged on the upper rubber cylinder 2 and the lower rubber cylinder 4, the mounting plate 5 is buckled on the upper end of the protruding ring 11 through the cooperation of the protruding ring 11 and the placing groove 12, and the mounting plate 5 is connected with the upper rubber cylinder 2 and the lower rubber cylinder 4 by rotating the bolt into the connecting hole 15 arranged on the compression ring 13 and the mounting plate 5, thereby connecting the mounting plate 5 with other structures of the packer.

[0040] When the packer is used, other structures of the packer push the mounting plate 5 to move, thereby simultaneously compressing the upper rubber cylinder 2 and the lower rubber cylinder 4, the first piston rod 8 is pushed to move while the mounting plate 5 is lowered, thereby the limiting block 18 arranged at one end of the first piston rod 8 extrudes the air in the air guide pipe 7, the air is compressed to enter the moving space of the second piston rod 9 in the air guide pipe 7, thereby pushing the second piston rod 9 to move, thereby the pushing block 17 arranged on the second piston rod 9 pushes the middle rubber cylinder 3 to deform and extend transversely.

[0041] In all the above-mentioned solutions, the connection between two components can be selected according to actual conditions, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described here. In the above, when the fixed connection is involved, welding is preferred. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A composite packer cup comprising a cup body (1) characterised by: The rubber cylinder body (1) includes upper rubber cylinder (2), middle rubber cylinder (3) and lower rubber cylinder (4), the upper rubber cylinder (2), lower rubber cylinder (4) are connected with middle rubber cylinder (3), the upper rubber cylinder (2) and lower rubber cylinder (4) are detachably provided with mounting plate (5), the rubber cylinder body (1) is provided with intermediate tube (6) inside; The intermediate tube (6) is provided with a push structure, the push structure includes air pipe (7), first piston rod (8), second piston rod (9) and limit ring (10), the push structure is provided with multiple groups, the air pipe (7) is hollow inside, the first piston rod (8) and second piston rod (9) are movably arranged in the air pipe (7), and the limit ring (10) is installed on the air pipe (7).

2. The composite packer cup of claim 1 wherein: The upper rubber cylinder (2) and lower rubber cylinder (4) are provided with protruding ring (11), the mounting plate (5) is provided with placing groove (12), the upper rubber cylinder (2) and lower rubber cylinder (4) are detachably provided with compression ring (13), and the upper end of the compression ring (13) is provided with fixed ring (14); the fixed ring (14) and the compression ring (13) are fixedly connected.

3. The composite packer cup of claim 2 wherein: The fixed ring (14) and the protruding ring (11) are matched with the placing groove (12), the compression ring (13) and the mounting plate (5) are provided with connecting hole (15), the connecting hole (15) is provided with multiple, the connecting hole (15) is provided with screw threads, and the connecting hole (15) provided on the compression ring (13) and the connecting hole (15) provided on the mounting plate (5) are bolted.

4. The composite packer cup of claim 1 wherein: One end of the first piston rod (8) is fixedly provided with a matching block (16), one end of the second piston rod (9) is fixedly provided with a push block (17), the other end of the first piston rod (8) and the second piston rod (9) is provided with a limiting block (18), and the lower end of the limit ring (10) is fixedly provided with an extension ring (19); the extension ring (19) and the inner wall of the air pipe (7) are matched.

5. The composite packer cup of claim 4 wherein: The extension ring (19) is provided with screw threads, the top end of the air pipe (7) is provided with screw threads, the extension ring (19) and the air pipe (7) are screwed, and the limit ring (10) is provided with through hole (20) matched with the first piston rod (8) and the second piston rod (9).

6. The composite packer cup of claim 4 wherein: The first piston rod (8) and the second piston rod (9) are slidably connected with the air pipe (7) and the limit ring (10), and the diameters of the limiting block (18) and the extension ring (19) are the same as the diameter of the inner wall of the air pipe (7).

7. The composite packer cup of claim 1 wherein: The intermediate tube (6) is provided with a missing slot (21), the missing slot (21) is fixedly provided with a mounting ring (22), the mounting ring (22) is provided with multiple, the side end of the air pipe (7) is fixedly provided with a mounting block (23), and the mounting block (23) and the mounting ring (22) are matched.

8. The composite packer cup of claim 1 wherein: The lower end of the mounting plate (5) is provided with a matching ring (24), the matching ring (24) is provided with multiple, and the matching ring (24) and the mounting plate (5) are fixedly connected.

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