CN211258529U - Petroleum casing coupling - Google Patents
Petroleum casing coupling Download PDFInfo
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- CN211258529U CN211258529U CN201921999717.6U CN201921999717U CN211258529U CN 211258529 U CN211258529 U CN 211258529U CN 201921999717 U CN201921999717 U CN 201921999717U CN 211258529 U CN211258529 U CN 211258529U
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- oil
- oil casing
- hoop body
- casing coupling
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Abstract
The utility model discloses an oil casing coupling, concretely relates to oil transportation technical field, including the hoop body, the inside at hoop body both ends all is connected with the oil casing, the internal portion of hoop central point puts the department and is provided with the inner link, the inner link passes through bolt and hoop body fixed connection, the both ends of inner link all are provided with automatic clamping mechanism and sealing mechanism, automatic clamping mechanism includes the swivel sleeve, the notch has all been seted up to the inboard edge position department at inner link both ends, the swivel sleeve rotates to be connected in the inside of notch. The utility model discloses an utilize the dead weight of oil sleeve pipe to press the clamp plate to utilize lever principle to drive and change the cover and rotate, and then drive the montant of changeing the cover top, promote the buckle of montant one side and to the inseparable pressfitting of oil sheathed tube inner wall, realize the automatic fastening to oil bushing, greatly improved oil bushing's convenience and fastening nature.
Description
Technical Field
The embodiment of the utility model provides a relate to and join in marriage oil transportation technical field, concretely relates to oil casing coupling.
Background
The petroleum casing is a steel pipe used for supporting the wall of a well of an oil well or a gas well so as to ensure the normal operation of the whole oil well after the drilling process and the completion of the well, and each well needs to use several layers of casings according to different drilling depths and geological conditions, so that when the casings are connected and installed, the casings need to be connected by using a coupling.
However, the existing ferrules still have more defects in actual use, for example, the existing ferrules are connected by adopting a direct sleeving or threaded connection mode, and the connection mode is too simple, so that the connection between the sleeves is not convenient and stable enough in actual installation.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides an oil casing coupling to solve among the prior art by connected mode too simple, when leading to the actual installation, the connection between the sleeve pipe is convenient, firm problem inadequately.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the oil casing coupling comprises a coupling body, wherein oil casings are connected to the insides of two ends of the coupling body, an inner connecting ring is arranged at the center of the inside of the coupling body and fixedly connected with the coupling body through bolts, and an automatic clamping mechanism and a sealing mechanism are arranged at two ends of the inner connecting ring;
the automatic clamping mechanism comprises a rotating sleeve, notches are formed in the inner side edge positions of two ends of the inner connecting ring, the rotating sleeve is rotatably connected inside the notches, a cross rod is fixedly connected to one side, close to the hoop body, of the rotating sleeve, a vertical rod is fixedly connected to the top of the rotating sleeve, a pressing plate is fixedly mounted at the top of one end, far away from the rotating sleeve, of the cross rod, a buckling plate is arranged on one side, close to the petroleum casing pipe, of the top of the vertical rod, and the buckling plate is rotatably connected with the vertical rod;
furthermore, the number of the notches and the number of the rotating sleeves are multiple, and the notches are uniformly and circumferentially distributed at two ends of the internal connection ring;
furthermore, an included angle between the cross rod and the vertical rod is 80 degrees;
further, the diameter of the inner wall of the hoop body is equal to that of the outer wall of the petroleum casing pipe;
furthermore, tooth-shaped grooves are formed in one side of the pressing plate, which is far away from the cross rod, and one side of the buckling plate, which is far away from the vertical rod;
furthermore, a through pipe is fixedly installed on the inner side of the inner connecting ring through a bolt, and two ends of the through pipe are located inside the oil casing.
The utility model provides an oil casing coupling, sealing mechanism includes the sliding ring, the seal groove has been seted up to the border position department in the inner joint ring both ends outside, sliding ring sliding connection is in the inside of seal groove, the top fixed mounting of sliding ring has sealed the pad.
Furthermore, a spring is arranged at the bottom of the slip ring, and the bottom end of the spring is fixedly connected with the bottom of the sealing groove.
The embodiment of the utility model provides a have following advantage:
1. the utility model discloses a set up the notch in the inboard at the both ends of internal ring, and rotate in the inside of notch and connect the commentaries on classics cover, when two oil casings insert the hoop body simultaneously, utilize the dead weight of oil casing to press the clamp plate at commentaries on classics cover one side horizontal pole top, thereby utilize lever principle to drive the commentaries on classics cover and rotate, and then drive the montant at commentaries on classics cover top, promote the buckle of montant one side to closely pressfitting to the inner wall of oil casing, and the dead weight of oil casing is big more, the montant drives the pressfitting power of buckle to oil casing and just is big more, thereby realize the automatic fastening to oil casing coupling, compare with prior art, the convenience and the fastening of oil casing coupling have greatly;
2. the utility model discloses a set up the seal groove in the outside at the both ends of internal ring to at the inside sliding connection sliding ring of seal groove, can make the sliding ring slide from top to bottom, and seal up through the top fixed mounting at the sliding ring, and set up the spring in the bottom of sliding ring, thereby can utilize the elasticity of spring, promote the sealed pad that the sliding ring made the sliding ring top constantly and closely laminate with the bottom of oil casing pipe, compare with prior art, strengthened oil bushing's leakproofness widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a schematic view of the overall structure of the automatic clamping mechanism of the present invention;
FIG. 4 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;
fig. 5 is an enlarged view of the structure of the part B of fig. 2 according to the present invention.
In the figure: the oil well pipe comprises a hoop body 1, an oil casing pipe 2, an inner connecting ring 3, an automatic clamping mechanism 4, a sealing mechanism 5, a penetrating pipe 6, a notch 7, a sealing groove 8, a sealing gasket 9, a rotating sleeve 10, a cross rod 11, a vertical rod 12, a pressing plate 13, a buckling plate 14, a tooth-shaped groove 15, a sliding ring 16 and a spring 17.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The oil casing coupling shown in the attached figures 1-5 comprises a coupling body 1, wherein oil casings 2 are connected to the insides of two ends of the coupling body 1, an inner connecting ring 3 is arranged at the center position inside the coupling body 1, the inner connecting ring 3 is fixedly connected with the coupling body 1 through bolts, and automatic clamping mechanisms 4 and sealing mechanisms 5 are arranged at two ends of the inner connecting ring 3;
The quantity of notch 7 and commentaries on classics cover 10 all sets up to a plurality ofly, and is a plurality of the even circumference of notch 7 distributes at the both ends of inner ring 3, and then makes the device can fasten oil casing 2 comprehensively.
The included angle between the cross rod 11 and the vertical rod 12 is 80 degrees, so that when the oil casing 2 presses the cross rod 11 to descend, the vertical rod 12 can more tightly press the oil casing 2.
The diameter of the inner wall of the hoop body 1 is equal to that of the outer wall of the petroleum casing pipe 2, and therefore the connection tightness of the petroleum casing pipe 2 and the hoop body 1 is improved.
The side of the pressing plate 13, which is far away from the cross rod 11, and the side of the buckling plate 14, which is far away from the vertical rod 12, are both provided with tooth-shaped grooves 15, so that the friction of the buckling plate 14 on the pressing of the petroleum casing 2 is enhanced.
The inboard of inner joint ring 3 has poling 6 through bolt fixed mounting, the both ends of poling 6 are located the inside of oil casing 2, set up poling 6 into two the same tube-shape parts to conveniently put into from the both ends of inner joint ring 3, and be connected with inner joint ring 3, and through the cooperation between poling 6 and the oil casing 2, can improve the steadiness that two oil casing 2 are connected.
The implementation mode is specifically as follows: the inner connecting ring 3 is arranged inside the hoop body 1, and the inner sides of the two ends of the inner connecting ring 3 are provided with the plurality of notches 7, so that the rotating sleeve 10 can be arranged inside the notches 7 and can rotate with the notches 7, when the petroleum casing 2 needs to be connected, the hoop body 1 is firstly sleeved on the petroleum casing 2 at the bottom, and then the other petroleum casing 2 is arranged from the top of the hoop body 1, so that the two petroleum casings 2 are simultaneously close to the inner connecting ring 3, because the petroleum casing 2 has larger volume and is made of steel, the dead weight of the petroleum casing 2 is larger, so that the two petroleum casings 2 extrude the inner connecting ring 3, and further press the press plate 13 at the top of the cross rod 11 at one side of the rotating sleeve 10, the rotating sleeve 10 is driven to rotate by utilizing the lever principle, and further the vertical rod 12 at the top of the rotating sleeve 10 is driven to push the inner wall 14 at one side of the vertical rod 12 to tightly press the inner wall of the petroleum casing, and the dead weight of oil casing 2 is bigger, montant 12 drives buckle 14 and just is bigger to the pressfitting power of oil casing 2, thereby realize the automatic fastening to oil casing 2 connects, it is not hard up and rotate to avoid oil casing 2 to take place, it is more convenient, firm to make the connection of oil casing 2, and through installing poling 6 at the inboard of inner joint ring 3, and make the both ends of poling 6 insert the inside of two oil casings 2, and cooperate the cup joint of hoop body 1 and oil casing 2, improve the compactness that oil casing 2 connects, this embodiment has solved among the prior art butt joint of oil casing 2 convenient, the problem of fastening inadequately.
As shown in fig. 1-2, the sealing mechanism 5 includes a sliding ring 16, the edge positions of the outer sides of the two ends of the inner connecting ring 3 are provided with sealing grooves 8, the sliding ring 16 is slidably connected inside the sealing grooves 8, and the top of the sliding ring 16 is fixedly provided with a sealing gasket 9.
The bottom of the slip ring 16 is provided with a spring 17, and the bottom end of the spring 17 is fixedly connected with the bottom of the seal groove 8, so that the slip ring 16 is pushed by the elastic force of the spring 17 to enable the sealing gasket 9 at the top of the slip ring 16 to be tightly attached to the bottom end of the oil casing 2, and the connection tightness of the oil casing 2 is improved.
The implementation mode is specifically as follows: seal groove 8 is seted up through the outside at the both ends of inner connecting ring 3, and place sliding ring 16 in the inside of sliding seal groove 8, make sliding ring 16 can slide from top to bottom in the inside of seal groove 8, and seal pad 9 through the top fixed mounting at sliding ring 16, and set up spring 17 in sliding ring 16's bottom, make spring 17's bottom and seal groove 8's bottom be connected, thereby can utilize spring 17's elasticity, promote sliding ring 16 and make the sealed pad 9 at sliding ring 16 top and the bottom of oil casing 2 closely laminate, with the leakproofness that improves oil casing 2 and connect, the problem that the leakproofness that oil casing 2 connects among the prior art has been solved to this embodiment.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, the notches 7 are formed in the inner sides of the two ends of the internal connection ring 3, the rotating sleeve 10 is rotatably connected inside the notches 7, when two petroleum casing pipes 2 are simultaneously inserted into the hoop body 1, the pressing plate 13 at the top of the cross rod 11 on one side of the rotating sleeve 10 is pressed by the dead weight of the petroleum casing pipes 2, so that the rotating sleeve 10 is driven to rotate by utilizing the lever principle, the vertical rod 12 on the top of the rotating sleeve 10 is further driven, the buckling plate 14 on one side of the vertical rod 12 is pushed to tightly press the inner wall of the petroleum casing pipes 2, the dead weight of the petroleum casing pipes 2 is larger, the buckling force of the buckling plate 14 driven by the vertical rod 12 to the petroleum casing pipes 2 is larger, and.
Referring to the attached drawings 1-2 of the specification, the outer sides of the two ends of the inner connecting ring 3 are provided with the sealing grooves 8, the sliding ring 16 is connected in the sealing grooves 8 in a sliding mode, the sliding ring 16 can slide up and down, the sealing gasket 9 is fixedly installed on the top of the sliding ring 16, the spring 17 is arranged at the bottom of the sliding ring 16, and therefore the sliding ring 16 can be pushed constantly to enable the sealing gasket 9 on the top of the sliding ring 16 to be tightly attached to the bottom end of the oil casing 2 by means of the elastic force of the spring 17.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. An oil casing coupling, includes hoop body (1), its characterized in that: the oil casing pipes (2) are connected to the inner parts of the two ends of the hoop body (1), the inner connecting ring (3) is arranged at the center position of the inner part of the hoop body (1), the inner connecting ring (3) is fixedly connected with the hoop body (1) through bolts, and the automatic clamping mechanism (4) and the sealing mechanism (5) are arranged at the two ends of the inner connecting ring (3);
automatic clamping mechanism (4) are including changeing cover (10), notch (7) have all been seted up to the inboard edge position department at inner link (3) both ends, it rotates to connect in the inside of notch (7) to change cover (10), it is close to one side fixedly connected with horizontal pole (11) of hoop body (1) to change cover (10), the top fixedly connected with montant (12) of changeing cover (10), the top fixed mounting that changes cover (10) one end was kept away from in horizontal pole (11) has clamp plate (13), one side that montant (12) top is close to oil casing (2) is provided with buckle (14), buckle (14) rotate with montant (12) and are connected.
2. The oil casing coupling of claim 1, wherein: the quantity of notch (7) and commentaries on classics cover (10) all sets up to a plurality ofly, and is a plurality of the even circumference of notch (7) distributes at the both ends of endoconch (3).
3. The oil casing coupling of claim 1, wherein: the included angle between the cross rod (11) and the vertical rod (12) is 80 degrees.
4. The oil casing coupling of claim 1, wherein: the diameter of the inner wall of the hoop body (1) is equal to that of the outer wall of the petroleum casing pipe (2).
5. The oil casing coupling of claim 1, wherein: tooth-shaped grooves (15) are formed in one side, away from the cross rod (11), of the pressing plate (13) and one side, away from the vertical rod (12), of the buckling plate (14).
6. The oil casing coupling of claim 1, wherein: and the inner side of the inner connecting ring (3) is fixedly provided with a through pipe (6) through a bolt, and two ends of the through pipe (6) are positioned in the petroleum casing pipe (2).
7. The oil casing coupling of claim 1, wherein: sealing mechanism (5) include sliding ring (16), seal groove (8) have been seted up to the border position department in inner joint ring (3) both ends outside, sliding ring (16) sliding connection is in the inside of seal groove (8), the top fixed mounting of sliding ring (16) has sealed pad (9).
8. The oil casing coupling of claim 7, wherein: the bottom of sliding ring (16) is provided with spring (17), the bottom of spring (17) and the bottom fixed connection of seal groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999717.6U CN211258529U (en) | 2019-11-19 | 2019-11-19 | Petroleum casing coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921999717.6U CN211258529U (en) | 2019-11-19 | 2019-11-19 | Petroleum casing coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258529U true CN211258529U (en) | 2020-08-14 |
Family
ID=71983446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921999717.6U Active CN211258529U (en) | 2019-11-19 | 2019-11-19 | Petroleum casing coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211258529U (en) |
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2019
- 2019-11-19 CN CN201921999717.6U patent/CN211258529U/en active Active
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