阅读说明：本技术 一种夹持锁定式油套管堵漏密封器 (Clamping locking type oil casing pipe leaking stoppage sealer ) 是由 吴小娟 李代强 曹润欣 秦小娅 陈谱辉 孙皖皖 于 2020-11-29 设计创作，主要内容包括：本发明公开了一种夹持锁定式油套管堵漏密封器,包括第一弧形套接件、第二弧形套接件、浮动密封机构、夹持锁定机构；本发明可通过旋转定位螺杆,实现定位螺杆抵压或分离连接于连接环片的两侧,如此对驱动螺杆进行位置的限位,方式发生意外旋转,导致密封性差的问题。(The invention discloses a clamping locking type oil casing leaking stoppage sealer, which comprises a first arc-shaped sleeve joint part, a second arc-shaped sleeve joint part, a floating sealing mechanism and a clamping locking mechanism, wherein the first arc-shaped sleeve joint part is connected with the floating sealing mechanism; the invention can realize that the positioning screw rods are connected to two sides of the connecting ring piece in a pressing or separating way by rotating the positioning screw rods, so that the driving screw rods are limited in position, and the mode is accidentally rotated, thereby causing the problem of poor sealing property.)

1. A clamping locking type oil casing pipe leaking stoppage sealer is characterized by comprising a first arc-shaped sleeve joint piece, a second arc-shaped sleeve joint piece, a floating sealing mechanism and a clamping locking 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 manner; the clamping and locking mechanism comprises a connecting cylinder, a rotating head, a connecting ring piece and a positioning screw rod; the connecting cylinder is arranged on the outer side of the periphery of the threaded hole; the connecting cylinder is positioned on the outer side of the periphery of the outer end of the driving screw rod; two sides of the connecting cylinder are respectively provided with a positioning screw rod in a threaded rotary penetrating manner; the outer end of the driving screw is provided with a rotating head; an annular groove is formed in the outer side of the periphery of the rotating head; a connecting ring sheet is arranged in the annular groove; the positioning screw rod is rotationally pressed against or separately connected with two sides of the connecting ring piece.

2. The grip lock type oil casing leak stop seal according to claim 1, wherein the cross-section of the outer large seal ring and the inner small seal ring is an L-shaped configuration.

3. The grip lock type oil casing leak-off sealer as claimed in claim 1, wherein the cross-section of the slide catch rod and the slide catch groove are both T-shaped.

4. The grip lock type oil casing leak stop seal of claim 1, wherein said connecting ring segments are made of rubber material.

5. The grip-locking type oil casing leak-stopping sealer as claimed in 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 clamp-locking tubing leak-off sealer of claim 1, wherein two sides of the first and second arcuate sockets are fastened by threading with screws and nuts, respectively.

7. The grip lock type oil casing leak-off sealer according to claim 6, wherein a first butt plate is provided on both sides of the first arcuate 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 clamping locking type oil casing pipe leakage stoppage sealer.

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 clamping locking type oil sleeve leakage stopping sealer is stable in structure and can properly adjust the sizes of different sealing surfaces according to the area of a leakage breaking position.

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

a clamping locking type oil casing leaking stoppage sealer comprises a first arc-shaped sleeve joint piece, a second arc-shaped sleeve joint piece, a floating sealing mechanism and a clamping locking 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 manner; the clamping and locking mechanism comprises a connecting cylinder, a rotating head, a connecting ring piece and a positioning screw rod; the connecting cylinder is arranged on the outer side of the periphery of the threaded hole; the connecting cylinder is positioned on the outer side of the periphery of the outer end of the driving screw rod; two sides of the connecting cylinder are respectively provided with a positioning screw rod in a threaded rotary penetrating manner; the outer end of the driving screw is provided with a rotating head; an annular groove is formed in the outer side of the periphery of the rotating head; a connecting ring sheet is arranged in the annular groove; the positioning screw rod is rotationally pressed against or separately connected with two sides of the connecting ring piece.

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.

Further, the connecting ring piece is made of rubber materials.

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 invention can realize that the positioning screw rods are connected to two sides of the connecting ring piece in a pressing or separating way by rotating the positioning screw rods, so that the driving screw rods are limited in position, and the mode is accidentally rotated, thereby causing the problem of poor sealing property.

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, a clamping locking type oil casing leaking stoppage sealer comprises a first arc-shaped sleeve member 1, a second arc-shaped sleeve member 2, a floating sealing mechanism 3 and a clamping locking mechanism 7; 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 manner; the clamping and locking mechanism 7 comprises a connecting cylinder 71, a rotating head 72, a connecting ring piece 74 and a positioning screw rod 73; the connection barrel 71 is arranged on the outer side of the periphery of the threaded hole 14; the connecting cylinder 71 is positioned on the outer side of the periphery of the outer end of the driving screw 31; two sides of the connecting cylinder 71 are respectively provided with a positioning screw rod 73 in a threaded rotary penetrating manner; the outer end of the driving screw 31 is provided with a rotating head 72; an annular groove is formed in the outer side of the periphery of the rotating head 72; a connecting ring piece 74 is arranged in the annular groove; the positioning screw 73 is rotatably pressed against or separated from the two sides of the connecting ring piece 74.

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, the connecting ring piece 74 is made of a rubber material. 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.

According to the invention, the positioning screw rods 73 can be rotated to realize that the positioning screw rods 73 are connected to two sides of the connecting ring piece 74 in a pressing or separating manner, so that the driving screw rods 31 are limited in position, and the mode is accidentally rotated, thereby causing the problem of poor sealing property.

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.