阅读说明：本技术 一种油套管堵漏密封器 (Oil casing leaking stoppage sealer ) 是由 吴小娟 李代强 曹润欣 秦小娅 陈莹丽 欧子毓 于 2020-11-29 设计创作，主要内容包括：本发明公开了一种油套管堵漏密封器,包括第一弧形套接件、第二弧形套接件、浮动密封机构；本发明增设了密封结构可以浮动的驱动结构,同时本发明的密封结构是采用双层变径式的密封环结构,本发明实现了可以根据破漏处面积适当调节不同密封面的大小,使用十分的灵活。(The invention discloses a leak stoppage sealer for an oil casing, which comprises a first arc-shaped sleeve joint part, a second arc-shaped sleeve joint part and a floating sealing mechanism, wherein the first arc-shaped sleeve joint part is connected with the second arc-shaped sleeve joint part; the invention adds a driving structure with a floating sealing structure, and simultaneously adopts a double-layer reducing sealing ring structure, so that the sizes of different sealing surfaces can be properly adjusted according to the area of a leakage breaking position, and the use is very flexible.)

1. A leak stoppage sealer for an oil casing is characterized by comprising a first arc-shaped sleeve joint part, a second arc-shaped sleeve joint part and a floating sealing mechanism; the first arc-shaped sleeve joint piece and the second arc-shaped sleeve joint piece enclose a hoop structure; a floating sealing mechanism is arranged in the middle of the first arc-shaped sleeve piece; a floating groove is formed in the inner side of the middle of the first arc-shaped sleeve piece; the middle of the outer side of the floating groove is provided with a threaded hole; two sides of the floating groove are respectively provided with a sliding clamping groove; the floating sealing mechanism comprises a driving screw rod, an abutting elastomer, a connecting plate, an abutting ring, an outer large sealing ring, an inner small sealing ring and a sliding clamping rod; the threaded hole is in threaded rotary connection with a driving screw; the inner end of the driving screw rod is positioned in the floating groove, and the outer end of the driving screw rod is positioned on the outer side of the first arc-shaped socket piece; a connecting plate is arranged at the inner end of the driving screw rod; the pressing elastic body is sleeved on the driving screw rod; two ends of the abutting elastic body elastically abut against the space between the connecting plate and the inner side wall of the floating groove; the inner end of the connecting plate is provided with an abutting ring; the inner end of the pressure-resisting ring is abutted with an outer large sealing ring; the inner end of the outer large sealing ring is provided with an inner small sealing ring; the peripheral edge of the outer large sealing ring is positioned outside the peripheral edge of the inner small sealing ring; two ends of the outer large sealing ring are respectively provided with a sliding clamping and connecting rod; the outer ends of the sliding clamping connecting rods are respectively clamped on the sliding clamping grooves on the side parts of the floating grooves in a sliding mode.

2. The oil casing leak stoppage sealer according to claim 1, wherein the cross-sections of the outer large seal ring and the inner small seal ring are L-shaped structures.

3. The oil casing leakage stoppage sealer according to claim 1, wherein the cross-sections of the sliding clamping rod and the sliding clamping groove are both T-shaped structures.

4. The oil casing leakage stoppage sealer according to claim 1, wherein a protective cylinder is arranged outside the periphery of the threaded hole; the protection cylinder is positioned on the outer side of the periphery of the outer end of the driving screw rod.

5. The oil casing leak-stopping sealer according to claim 1, wherein the connecting plate and the pressing ring are connected to form a sealing sleeve body with an inverted U-shaped cross section.

6. The oil casing leak stoppage sealer according to claim 1, wherein both sides of the first arc-shaped socket member and the second arc-shaped socket member are fastened by threading through a screw and a nut, respectively.

7. The oil casing leak stoppage sealer according to claim 6, wherein first butt plates are provided on both sides of the first arc-shaped socket; two sides of the second arc-shaped socket joint piece are provided with second butt joint plates; the first butt joint plate is provided with a T-shaped through hole; the second butt joint plate is provided with a through round hole; the T-shaped cross-connecting holes are in cross connection through T-shaped screws, and the outer ends of the T-shaped screws extend to the outer sides of the cross-connecting round holes; the outer end of the T-shaped screw is rotationally fastened through a nut.

Technical Field

The invention relates to a leak stopping sealer for an oil casing.

Background

The oil pipe is the most commonly used machine part in the oil field, the oil pipe is inevitably damaged after long-term use, so that the oil pipe can be broken and leaked, and the oil pipe in work must be rapidly treated when the oil pipe is broken and leaked so as to reduce the loss caused by the breakage and leakage; the leakage breaking part of the existing oil casing pipe is generally sealed by a sealing ring and is sealed by an external plug in a pressing way, but the structure of the leakage breaking part of the oil plugging casing pipe with the structure can not sleeve and connect the size of a sealing ring according to the size of a leakage breaking hole, and when the diameter of the sealing ring is smaller than that of the leakage breaking hole, a good leakage plugging effect can not be achieved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention solves the problems that: the oil sleeve leaking stoppage sealer can properly adjust the sizes of different sealing surfaces according to the area of a leaking part.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

a leak-stopping sealer for an oil casing comprises a first arc-shaped sleeve joint part, a second arc-shaped sleeve joint part and a floating sealing mechanism; the first arc-shaped sleeve joint piece and the second arc-shaped sleeve joint piece enclose a hoop structure; a floating sealing mechanism is arranged in the middle of the first arc-shaped sleeve piece; a floating groove is formed in the inner side of the middle of the first arc-shaped sleeve piece; the middle of the outer side of the floating groove is provided with a threaded hole; two sides of the floating groove are respectively provided with a sliding clamping groove; the floating sealing mechanism comprises a driving screw rod, an abutting elastomer, a connecting plate, an abutting ring, an outer large sealing ring, an inner small sealing ring and a sliding clamping rod; the threaded hole is in threaded rotary connection with a driving screw; the inner end of the driving screw rod is positioned in the floating groove, and the outer end of the driving screw rod is positioned on the outer side of the first arc-shaped socket piece; a connecting plate is arranged at the inner end of the driving screw rod; the pressing elastic body is sleeved on the driving screw rod; two ends of the abutting elastic body elastically abut against the space between the connecting plate and the inner side wall of the floating groove; the inner end of the connecting plate is provided with an abutting ring; the inner end of the pressure-resisting ring is abutted with an outer large sealing ring; the inner end of the outer large sealing ring is provided with an inner small sealing ring; the peripheral edge of the outer large sealing ring is positioned outside the peripheral edge of the inner small sealing ring; two ends of the outer large sealing ring are respectively provided with a sliding clamping and connecting rod; the outer ends of the sliding clamping connecting rods are respectively clamped on the sliding clamping grooves on the side parts of the floating grooves in a sliding mode.

Further, the cross sections of the outer large sealing ring and the inner small sealing ring are of L-shaped structures.

Furthermore, the cross sections of the sliding clamping rod and the sliding clamping groove are both in T-shaped structures.

Furthermore, a protective cylinder is arranged on the outer side of the periphery of the threaded hole; the protection cylinder is positioned on the outer side of the periphery of the outer end of the driving screw rod.

Furthermore, the connecting plate and the pressing ring are connected into a sealing sleeve body with an inverted U-shaped section.

Furthermore, the two sides of the first arc-shaped sleeve joint part and the second arc-shaped sleeve joint part are respectively fastened in a cross-connection mode through screws and nuts.

Further, both sides of the first arc-shaped socket piece are provided with first butt joint plates; two sides of the second arc-shaped socket joint piece are provided with second butt joint plates; the first butt joint plate is provided with a T-shaped through hole; the second butt joint plate is provided with a through round hole; the T-shaped cross-connecting holes are in cross connection through T-shaped screws, and the outer ends of the T-shaped screws extend to the outer sides of the cross-connecting round holes; the outer end of the T-shaped screw is rotationally fastened through a nut.

The invention has the advantages of

The floating driving structure of the sealing structure is additionally arranged, meanwhile, the sealing structure adopts a double-layer reducing type sealing ring structure, when a leakage breaking hole in the oil sleeve is small, the driving screw rod is rotated to drive the pressing ring to extrude the large outer sealing ring and the small inner sealing ring, so that the small inner sealing ring is extruded and attached to the outer sides of the periphery of the leakage blocking hole to form sealing; when the leakage breaking hole on the oil casing is large, the inner small sealing ring is driven to penetrate into the leakage blocking hole on the oil casing by rotating the driving screw rod, then the driving screw rod is continuously rotated, so that the outer large sealing ring is extruded and attached to the outer side of the periphery of the leakage blocking hole to form sealing, and as the two ends of the outer large sealing ring are respectively connected to the sliding clamping grooves on the side parts of the floating grooves in a sliding clamping manner through the sliding clamping rods, the outer large sealing ring can stably move and is stable in structure.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the floating seal mechanism of the present invention in which the small inner seal ring is pressed and attached around the leak-stopping hole.

Fig. 3 is a schematic structural view of the floating seal mechanism of the present invention in which the large outer seal ring is pressed and attached around the leak-stopping hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, an oil casing leak-stopping sealer includes a first arc-shaped socket member 1, a second arc-shaped socket member 2, and a floating sealing mechanism 3; the first arc-shaped sleeve joint piece 1 and the second arc-shaped sleeve joint piece 2 form a hoop structure in a surrounding mode; a floating sealing mechanism 3 is arranged in the middle of the first arc-shaped socket piece 1; a floating groove 13 is formed in the inner side of the middle of the first arc-shaped socket piece 1; the middle of the outer side of the floating groove 13 is provided with a threaded hole 14; two sides of the floating groove 13 are respectively provided with a sliding clamping groove 15; the floating sealing mechanism 3 comprises a driving screw 31, an abutting elastic body 33, a connecting plate 32, an abutting ring 34, an outer large sealing ring 35, an inner small sealing ring 36 and a sliding clamping rod 37; the threaded hole 14 is threaded and rotatably connected with a driving screw 31; the inner end of the driving screw 31 is positioned in the floating groove 13, and the outer end of the driving screw 31 is positioned at the outer side of the first arc-shaped socket joint part 1; the inner end of the driving screw 31 is provided with a connecting plate 32; the abutting elastic body 33 is sleeved on the driving screw 31; two ends of the abutting elastic body 33 elastically abut against the connecting plate 32 and the inner side wall of the floating groove 13; the inner end of the connecting plate 32 is provided with an abutting ring 34; the inner end of the pressing ring 34 is abutted with an outer large sealing ring 35; the inner end of the outer large sealing ring 35 is provided with an inner small sealing ring 36; the peripheral edge of the outer large sealing ring 35 is positioned outside the peripheral edge of the inner small sealing ring 36; two ends of the outer large sealing ring 35 are respectively provided with a sliding clamping and connecting rod 37; the outer ends of the sliding clamping rods 37 are respectively clamped on the sliding clamping grooves 15 at the side parts of the floating grooves 13 in a sliding mode.

As shown in fig. 1 to 3, it is further preferable that the cross section of the outer large seal ring 35 and the inner small seal ring 36 have an L-shaped configuration. Further, the sections of the sliding clamping rod 37 and the sliding clamping groove 15 are both T-shaped structures. Further, a protection cylinder 12 is arranged on the outer side of the periphery of the threaded hole 14; the protective cylinder 12 is positioned at the outer side of the periphery of the outer end of the driving screw 31. Further, the connecting plate 32 and the pressing ring 34 are connected to form a sealing sleeve body with an inverted U-shaped cross section. Further, the two sides of the first arc-shaped socket piece 1 and the second arc-shaped socket piece 2 are respectively fastened in a cross-connection mode through screws and nuts. Further, two sides of the first arc-shaped socket piece 1 are provided with first butt joint plates 11; both sides of the second arc-shaped socket joint part 2 are provided with second butt joint plates 21; the first butt plate 11 is provided with a T-shaped through hole; the second butt joint plate 2 is provided with a through round hole; the T-shaped through holes are connected in a penetrating mode through T-shaped screws 5, and the outer ends of the T-shaped screws 5 extend to the outer sides of the through round holes; the outer end of the T-shaped screw 5 is rotationally fastened by a nut 6.

The floating driving structure of the sealing structure is additionally arranged, meanwhile, the sealing structure adopts a double-layer reducing type sealing ring structure, when a leakage hole 41 in the oil sleeve 4 is small, the driving screw 31 is rotated to drive the pressing ring 34 to extrude the outer large sealing ring 35 and the inner small sealing ring 36, so that the inner small sealing ring 36 is extruded and attached to the outer sides of the periphery of the leakage blocking hole 41 to form sealing; when the leakage hole 41 on the oil casing 4 is large, the driving screw 31 is rotated to drive the small sealing ring 36 on the inner side to penetrate into the leakage hole 41 on the oil casing 4, then the driving screw 31 is continuously rotated to enable the large sealing ring 35 on the outer side to be extruded and attached to the outer side of the periphery of the leakage hole 41 to form sealing, and as the two ends of the large sealing ring 35 on the outer side are respectively clamped on the sliding clamping grooves 15 on the side parts of the floating grooves 13 in a sliding mode through the sliding clamping rods 37, the large sealing ring 35 on the outer side is enabled to move stably and is stable in structure, so that the sizes of different sealing surfaces can be properly adjusted according to the area of the leakage position, and the use is very flexible.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.