CN215907780U - Tubing coupling - Google Patents
Tubing coupling Download PDFInfo
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- CN215907780U CN215907780U CN202122432489.8U CN202122432489U CN215907780U CN 215907780 U CN215907780 U CN 215907780U CN 202122432489 U CN202122432489 U CN 202122432489U CN 215907780 U CN215907780 U CN 215907780U
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- coupling
- air bag
- oil pipe
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- split
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Abstract
The utility model discloses an oil pipe coupling, which relates to the technical field of oil pipe couplings and comprises an elastic metal open coupling, wherein two port parts of an inner cavity of the elastic metal open coupling are fixedly provided with open clamping positioning hoops, and the middle part of the inner cavity of the elastic metal open coupling is fixedly provided with an air bag type sealing rubber sleeve positioned between the two open clamping positioning hoops. Above-mentioned scheme, open type coupling body cooperation fastening bolt group makes up and constitutes one set of open type oil pipe coupling structure, compare in traditional closed thread formula oil pipe coupling structure, the advantage of the dismouting of being convenient for has, open type coupling body inner chamber's both ends department all welds the opening ring simultaneously, the joint location awl that a plurality of equidistance distributes is all welded to the inner wall of two opening rings, through a plurality of joint location awl joint in oil pipe's interface outer wall, the fastness that oil pipe and coupling main part are connected has been guaranteed, the practicality and the convenience of use of device have been improved.
Description
Technical Field
The utility model relates to the technical field of tubing couplings, in particular to a tubing coupling.
Background
The tubing coupling is one of oil field drilling tools, is mainly used for connecting tubing, and has the following structure: the oil pipe end is connected with the inner wall of the coupling body in a tapered thread mode, the end of the coupling body is connected with the oil pipe in a same-thread same-pitch flat thread mode, the oil pipe coupling has the characteristic of relieving stress concentration of the root part of the external thread of the single-tapered thread connection oil pipe, fatigue fracture is not prone to occurring, the connection effect is good, and the occurrence of oil well pipe column disconnection accidents can be effectively prevented.
However, the existing tubing coupling still has some disadvantages in the practical application process, for example, the existing tubing coupling is connected with the tubing end head in a tapered thread mode, the end head of the coupling body is connected with the tubing in a flat thread mode with the same thread and the same pitch, the structure of the thread connection is not easy to rapidly disassemble and assemble the tubing and the coupling, and the use convenience of the tubing coupling is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, embodiments of the present invention provide a tubing coupling, so as to solve the problems that the existing tubing coupling and tubing end are mostly connected in a tapered thread manner, the end of a coupling body and a tubing are connected in a same-thread same-pitch flat thread manner, the threaded connection structure is not easy to rapidly disassemble and assemble the tubing and the coupling, and the use convenience of the tubing coupling is reduced.
In order to solve the technical problems, the utility model provides the following technical scheme: the tubing coupling comprises an elastic metal open coupling, wherein an opening clamping positioning hoop is fixedly mounted at two ports of an inner cavity of the elastic metal open coupling, and an air bag type sealing rubber sleeve between the opening clamping positioning hoops is fixedly mounted in the middle of the inner cavity of the elastic metal open coupling and is positioned by two.
Preferably, the elastic metal open coupling comprises an open coupling body, a fastening bolt group is fixedly installed at a notch of the open coupling body, an air bag clamping groove is formed in the middle of an inner cavity of the fastening bolt group, and an air inlet interface is formed in the middle of the bottom surface of the air bag clamping groove.
Preferably, the number of the opening clamping positioning hoops is two, and the opening clamping positioning hoops are welded at two ports of the inner cavity of the opening type coupling body respectively.
Preferably, the opening clamping positioning hoop comprises an opening ring, and a plurality of clamping positioning cones which are distributed at equal intervals are welded on the inner wall of the opening ring.
Preferably, gasbag formula sealed gum cover includes sealed gasbag main part, the middle part of sealed gasbag main part bottom surface an organic whole forms has the valve interface, the fixed cover of bottom port of valve interface is equipped with the admission valve.
Preferably, the sealing air bag main body is an integrally formed cylindrical modified wear-resistant rubber air bag, and a soft rubber layer is compositely bonded on the outer surface of the sealing air bag main body.
Preferably, the sealed gasbag main part bonds in the inside of gasbag draw-in groove through the viscose, the valve interface joint connects in the inside of air inlet interface, the admission valve passes through the valve interface with the inner chamber of sealed gasbag main part is linked together.
The utility model has the technical effects and advantages that:
in the scheme, the open type coupling body is matched with the fastening bolt group to form a set of open type tubing coupling structure, compared with the traditional closed threaded tubing coupling structure, the open type coupling structure has the advantage of convenience in disassembly and assembly, meanwhile, the two port parts of the inner cavity of the open type coupling body are both welded with the open circular rings, the inner walls of the two open circular rings are both welded with a plurality of clamping positioning cones distributed at equal intervals, and the clamping positioning cones are clamped on the outer wall of the connector of the tubing, so that the firmness of connection between the tubing and the coupling main body is ensured, and the practicability and the use convenience of the device are improved; the sealed gasbag main part bonds in the inner chamber of open type coupling body through the gasbag draw-in groove, the valve interface card of sealed gasbag main part bottom connects in the inside of interface of admitting air, the admission valve is linked together through the inner chamber of valve interface with sealed gasbag main part, pass through two opening joint location hoops of fastening bolt group cooperation at open type coupling body and firmly joint when oil pipe's kneck, utilize the admission valve to put through outside air supply for the inner chamber of sealed gasbag main part, let outside air supply aerify to sealed gasbag main part inner chamber, make its volume swell and fill out the connection gap of oil pipe, with the leakproofness of having guaranteed that oil pipe and coupling are connected, the practicality of device has been improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the resilient metal split collar construction of the present invention;
FIG. 4 is a schematic view of the open clamp positioning clip of the present invention;
fig. 5 is a schematic view of a balloon type sealing glove structure according to the present invention.
The reference signs are: 1. an elastomeric metal split collar; 2. the opening is clamped with the positioning hoop; 3. an air bag type sealing rubber sleeve; 11. an open-ended collar body; 12. a fastening bolt group; 13. an air bag clamping groove; 14. an air inlet interface; 21. an open circular ring; 22. clamping a positioning cone; 31. sealing the airbag main body; 32. a valve interface; 33. an intake valve.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 5, an embodiment of the utility model provides a tubing coupling, which comprises an elastic metal open coupling 1, wherein two port parts of an inner cavity of the elastic metal open coupling 1 are fixedly provided with open clamping positioning hoops 2, and the middle part of the inner cavity of the elastic metal open coupling 1 is fixedly provided with an air bag type sealing rubber sleeve 3 positioned between the two open clamping positioning hoops 2.
As shown in fig. 2, fig. 3 and fig. 4, the elastic metal open collar 1 comprises an open collar body 11, a fastening bolt group 12 is fixedly installed at a gap of the open collar body 11, an air bag clamping groove 13 is formed in the middle of an inner cavity of the fastening bolt group 12, and an air inlet interface 14 is formed in the middle of the bottom surface of the air bag clamping groove 13; the number of the opening clamping positioning hoops 2 is two, and the two opening clamping positioning hoops 2 are respectively welded at two ports of the inner cavity of the opening type coupling body 11; the opening clamping positioning hoop 2 comprises an opening ring 21, and a plurality of clamping positioning cones 22 which are distributed at equal intervals are welded on the inner wall of the opening ring 21.
Specifically, one set of open type tubing coupling structure is constituteed in the combination of 11 cooperation fastening bolt groups 12 of open type coupling bodies, compare in traditional closed thread type tubing coupling structure, the advantage of the dismouting of being convenient for has, opening ring 21 has all been welded to the both ends mouth department of 11 inner chambers of open type coupling body simultaneously, the joint location awl 22 that a plurality of equidistance distributes is all welded to the inner wall of two opening rings 21, through the joint of a plurality of joint location awl 22 in oil pipe's interface outer wall, the fastness that oil pipe and coupling main part are connected has been guaranteed, the practicality and the convenience in use of device have been improved.
As shown in fig. 2 and 5, the airbag type sealing rubber sleeve 3 includes a sealing airbag main body 31, a valve port 32 is integrally formed in the middle of the bottom surface of the sealing airbag main body 31, and an air inlet valve 33 is fixedly sleeved at a bottom port of the valve port 32; the sealing air bag main body 31 is an integrally formed cylindrical modified wear-resistant rubber air bag, and a soft rubber layer is compounded and bonded on the outer surface of the sealing air bag main body 31; the sealed air bag main body 31 is adhered to the inside of the air bag clamping groove 13 through viscose glue, the air valve interface 32 is clamped to the inside of the air inlet interface 14, and the air inlet valve 33 is communicated with the inner cavity of the sealed air bag main body 31 through the air valve interface 32.
Specifically, sealed gasbag main part 31 bonds in the inner chamber of open type coupling body 11 through gasbag draw-in groove 13, the valve interface 32 joint of sealed gasbag main part 31 bottom is in the inside of interface 14 that admits air, admission valve 33 is linked together through valve interface 32 and sealed gasbag main part 31's inner chamber, at open type coupling body 11 through 12 cooperation two opening joint location hoops of fastening bolt group 2 when firmly the joint in oil pipe's kneck, utilize admission valve 33 to put through outside air supply for the inner chamber of sealed gasbag main part 31, let outside air supply aerify to sealed gasbag main part 31 inner chamber, make its volume swell and fill out the joint gap of oil pipe, in order to guarantee the leakproofness that oil pipe and coupling are connected, the practicality of device has been improved.
The working process of the utility model is as follows:
the open type coupling body 11 is matched with the fastening bolt group 12 to form a set of open type tubing coupling structure, compared with the traditional closed threaded tubing coupling structure, the open type coupling structure has the advantage of being convenient to disassemble and assemble, meanwhile, the open type rings 21 are welded at two ports of the inner cavity of the open type coupling body 11, a plurality of clamping positioning cones 22 distributed at equal intervals are welded on the inner walls of the two open type rings 21, and the clamping positioning cones 22 are clamped on the outer wall of an interface of a tubing, so that the connection firmness of the tubing and the coupling main body is ensured, and the practicability and the use convenience of the device are improved;
sealed gasbag main part 31 bonds in the inner chamber of open type coupling body 11 through gasbag draw-in groove 13, the valve interface 32 joint of sealed gasbag main part 31 bottom is in the inside of interface 14 that admits air, admission valve 33 is linked together through valve interface 32 and the inner chamber of sealed gasbag main part 31, at open type coupling body 11 through 12 cooperation two opening joint location hoops of fastening bolt group 2 when firmly the joint in oil pipe's kneck, utilize admission valve 33 to put through outside air supply for the inner chamber of sealed gasbag main part 31, let outside air supply aerify to sealed gasbag main part 31 inner chamber, make its volume inflation fill the joint gap of oil pipe, in order to guarantee the leakproofness that oil pipe and coupling are connected, the practicality of device has been improved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;
and finally: 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 utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (7)
1. The oil pipe coupling is characterized by comprising an elastic metal open coupling (1), wherein an opening clamping positioning hoop (2) is fixedly mounted at two port positions of an inner cavity of the elastic metal open coupling (1), and an air bag type sealing rubber sleeve (3) between the opening clamping positioning hoops (2) is fixedly mounted in the middle of the inner cavity of the elastic metal open coupling (1).
2. The tubing coupling according to claim 1, wherein the elastic metal split coupling (1) comprises a split coupling body (11), a fastening bolt set (12) is fixedly installed at a gap of the split coupling body (11), an air bag clamping groove (13) is formed in the middle of an inner cavity of the fastening bolt set (12), and an air inlet interface (14) is formed in the middle of the bottom surface of the air bag clamping groove (13).
3. The tubing coupling according to claim 2, wherein the number of the split clamping locating hoops (2) is two, and the two split clamping locating hoops (2) are respectively welded at two ports of the inner cavity of the split coupling body (11).
4. The tubing coupling according to claim 1, wherein the split collet (2) comprises a split ring (21), and a plurality of equidistantly distributed collet positioning cones (22) are welded to the inner wall of the split ring (21).
5. The tubing coupling according to claim 1, wherein the air bag type sealing rubber sleeve (3) comprises a sealing air bag main body (31), a valve interface (32) is integrally formed in the middle of the bottom surface of the sealing air bag main body (31), and an air inlet valve (33) is fixedly sleeved at the bottom end of the valve interface (32).
6. The tubing coupling according to claim 5, wherein the sealing air bag body (31) is an integrally formed cylindrical modified abrasion-resistant rubber air bag, and a soft rubber layer is compositely bonded to the outer surface of the sealing air bag body (31).
7. The tubing coupling according to claim 6, wherein the sealing air bag main body (31) is adhered to the inside of the air bag clamping groove (13) through glue, the air valve interface (32) is clamped to the inside of the air inlet interface (14), and the air inlet valve (33) is communicated with the inner cavity of the sealing air bag main body (31) through the air valve interface (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432489.8U CN215907780U (en) | 2021-10-11 | 2021-10-11 | Tubing coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122432489.8U CN215907780U (en) | 2021-10-11 | 2021-10-11 | Tubing coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215907780U true CN215907780U (en) | 2022-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122432489.8U Active CN215907780U (en) | 2021-10-11 | 2021-10-11 | Tubing coupling |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117631076A (en) * | 2024-01-23 | 2024-03-01 | 鼎实智能装备（青岛）有限公司 | Coupling detection device and detection method thereof |
| CN117631076B (en) * | 2024-01-23 | 2024-06-07 | 鼎实智能装备（青岛）有限公司 | Coupling detection device and detection method thereof |
-
2021
- 2021-10-11 CN CN202122432489.8U patent/CN215907780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117631076A (en) * | 2024-01-23 | 2024-03-01 | 鼎实智能装备（青岛）有限公司 | Coupling detection device and detection method thereof |
| CN117631076B (en) * | 2024-01-23 | 2024-06-07 | 鼎实智能装备（青岛）有限公司 | Coupling detection device and detection method thereof |
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