CN209067997U - A kind of natural gas tube seal structures - Google Patents
A kind of natural gas tube seal structures Download PDFInfo
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- CN209067997U CN209067997U CN201821647809.3U CN201821647809U CN209067997U CN 209067997 U CN209067997 U CN 209067997U CN 201821647809 U CN201821647809 U CN 201821647809U CN 209067997 U CN209067997 U CN 209067997U
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- circular trough
- connecting cylinder
- pipe
- wall
- pressing plate
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Abstract
The utility model relates to seal for pipe joints technical fields, and disclose a kind of natural gas tube seal structures, including first pipe, the inner wall of first pipe offers circular trough I, and the inner wall of circular trough I is fixedly installed with connecting cylinder, one end of connecting cylinder is run through and extends to the outside of circular trough I, and the both ends that connecting cylinder is located inside circular trough I are fixedly installed with telescopic rod I respectively, one end of two telescopic rods I is fixedly connected with the outside of pressing plate I, and it is fixedly connected at the top of the bottom of pressing plate and gasket, the bottom of gasket is flexibly connected with the inner wall of circular trough I.The natural gas tube seal structures, pass through the collective effect of pressing plate I and pressing plate II, and under being used cooperatively of telescopic rod I, spring I, telescopic rod II and spring II, so that squeeze to gasket is gasket expansion, the sealing function to first pipe and second pipe junction is played, sealing effect is improved.
Description
Technical field
The utility model relates to seal for pipe joints technical field, specially a kind of natural gas tube seal structures.
Background technique
Natural gas line, which refers to, is transported to urban gas center or industrial enterprise's use from exploitation ground or treatment plant for natural gas
The pipeline at family, also known as gas pipeline convey natural gas using natural gas line, are the modes that land largely conveys natural gas,
In world's pipeline overall length, natural gas line accounts for about half.
In existing natural gas line in use, finding that the connection type between existing pipeline is to pass through weldering mostly
It connects, is not easy to dismantle, reduce the convenience of pipeline maintenance, simultaneously because the sealing effect at existing pipe joint is poor,
The case where will appear natural gas leaking after long-time use generation, reduces the service life of pipeline.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of natural gas tube seal structures, has disassembly just
Benefit and the good advantage of sealing effect, solving the connection type between existing pipeline mostly is to be not easy to dismantle by welding,
The convenience of pipeline maintenance is reduced, simultaneously because the sealing effect at existing pipe joint is poor, after long-time use
The case where will appear natural gas leaking generation, the problem of reducing the service life of pipeline.
The utility model provides the following technical solutions: a kind of natural gas tube seal structures, including first pipe, and described
The inner wall of one pipeline offers circular trough I, and the inner wall of circular trough I is fixedly installed with connecting cylinder, and one end of the connecting cylinder is passed through
Wear and extend to the outside of circular trough I, and connecting cylinder is located at the both ends inside circular trough I and is fixedly installed with telescopic rod I respectively, two
One end of a telescopic rod I is fixedly connected with the outside of pressing plate I, and is fixedly connected at the top of the bottom of pressing plate I and gasket,
The bottom of the gasket is flexibly connected with the inner wall of circular trough I, and the external activity of two telescopic rods I is socketed with spring I,
The connecting cylinder is located at one end outside circular trough I and runs through and extend to the inside of second pipe, and the inner wall of second pipe
Circular trough II is offered, the inside of circular trough II is run through and extended in one end of the gasket, and gasket is located at circular trough
Pressing plate II is fixedly connected at the top of II inner cavity, the both ends at II top of pressing plate have been respectively fixedly connected with telescopic rod II, and two
The top of a telescopic rod II is fixedly connected with the both ends of movable plate bottom respectively, and the external activity of the telescopic rod II is socketed with bullet
Spring II, the inner wall that the connecting cylinder is located inside circular trough II are fixedly installed with ball.
Preferably, the outer wall that the connecting cylinder is located inside second pipe offers screw thread, and on connecting cylinder screw thread length
Angle value is equal to the length value of circular trough II.
Preferably, the pressing plate I is located at the inside of circular trough I, and the inner wall activity of one end of pressing plate I and circular trough I connects
It connects.
Preferably, the both ends of the spring I are fixedly connected with the both ends of telescopic rod I respectively, and spring I is in by compression shape
State.
Preferably, the inner wall of the circular trough II offers and compatible screw thread outside connecting cylinder, and circular trough II
Inside is connect with the external screw-thread of connecting cylinder.
Preferably, the ball is distributed in the bottom that connecting cylinder is located at II inner cavity of circular trough, and the bottom of ball in a ring
It is connect with the top slide of movable plate.
Be compared with the prior art, the utility model have it is following the utility model has the advantages that
1, natural gas tube seal structures, by the collective effect of pressing plate I and pressing plate II, and in telescopic rod I, spring
I, it under being used cooperatively of telescopic rod II and spring II, so that squeeze to gasket is gasket expansion, plays and is managed to first
The sealing function in road and second pipe junction, improves sealing effect.
2, the natural gas tube seal structures are used cooperatively by screw thread on circular trough II and connecting cylinder, by the first pipe
Road is attached with second pipe, and structure is simple and easy to operate, improves the convenience of pipeline maintenance.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the enlarged diagram at the utility model structure chart A.
In figure: 1, first pipe;2, circular trough I;3, connecting cylinder;4, telescopic rod I;5, pressing plate I;6, gasket;7, spring
Ⅰ;8, second pipe;9, circular trough II;10, pressing plate II;11, telescopic rod II;12, movable plate;13, spring II;14, ball.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of natural gas tube seal structures referring to FIG. 1-2, including first pipe 1, the inner wall of first pipe 1 open up
There is circular trough I 2, and the inner wall of circular trough I 2 is fixedly installed with connecting cylinder 3, the outer wall that connecting cylinder 3 is located inside second pipe 8 is opened
Equipped with screw thread, and on connecting cylinder 3, the length value of screw thread is equal to the length value of circular trough II 9, passes through the work of screw thread on connecting cylinder 3
With so that improving the convenience connected between pipeline, connecting cylinder 3 convenient for first pipe 1 and second pipe 8 to be attached
One end run through and extend to the outside of circular trough I 2, and the both ends that connecting cylinder 3 is located inside circular trough I 2 are fixedly mounted respectively
There is telescopic rod I 4, one end of two telescopic rods I 4 is fixedly connected with the outside of pressing plate I 5, and pressing plate I 5 is located at the inside of circular trough I 2,
And one end of pressing plate I 5 is flexibly connected with the inner wall of circular trough I 2, by the effect of pressing plate I 5, and in telescopic rod I 4 and spring I
Under 7 being used cooperatively, so that squeeze to gasket 6 is that gasket 6 expands, play to first pipe 1 and the company of second pipe 8
The sealing function at place is connect, and sealing effect is good, and the bottom of pressing plate I 5 is fixedly connected with the top of gasket 6, the bottom of gasket 6
Portion is flexibly connected with the inner wall of circular trough I 2, and the external activity of two telescopic rods I 4 is socketed with spring I 7, the both ends point of spring I 7
It is not fixedly connected with the both ends of telescopic rod I 4, and spring I 7 is in confined state, by being compressed and being in spring I 7
Most compressed state makes being completely embedded between gasket 6 and circular trough I 2, improves the leakproofness of pipeline connection, connecting cylinder
3 are located at one end outside circular trough I 2 and run through and extend to the inside of second pipe 8, and the inner wall of second pipe 8 offers
Circular trough II 9, the inner wall of circular trough II 9 offer the compatible screw thread with the outside of connecting cylinder 3, and the inside of circular trough II 9 with
The external screw-thread of connecting cylinder 3 connects, and is attached first pipe 1 and second pipe 8 by screw thread, and structure is simply and operation side
Just, while the leakproofness between pipeline connection being improved, the inside of circular trough II 9 is run through and extended in one end of gasket 6, and
Gasket 6, which is located at the top of II 9 inner cavity of circular trough, is fixedly connected with pressing plate II 10, and the both ends at II 10 top of pressing plate are fixed respectively to be connected
It is connected to telescopic rod II 11, and the top of two telescopic rods II 11 is fixedly connected with the both ends of 12 bottom of movable plate respectively, telescopic rod
II 11 external activity is socketed with spring II 13, and the inner wall that connecting cylinder 3 is located inside circular trough II 9 is fixedly installed with ball 14,
Ball 14 is distributed in the bottom that connecting cylinder 3 is located at II 9 inner cavity of circular trough, and the top of the bottom of ball 14 and movable plate 12 in a ring
Portion is slidably connected, and under the action of ball 14, reduces the frictional force between connecting cylinder 3 and movable plate 12 so that first pipe 1 with
It is more convenient to connect between second pipe 8.
First pipe 1 is aligned with the interface of second pipe first connecting cylinder 3 being inserted into circular trough II by working principle
Inside 9, then rotate first pipe 1 under the action of screw thread, connecting cylinder 3 to moving inside circular trough II 9, when connecting cylinder 3 with
Movable plate 12 contact when connect rotation first pipe 1 under the collective effect of spring II 13 and telescopic rod II 11 to movable plate 12 into
Row squeezes, and pressing plate I 5 and pressing plate II 10 while squeezing to gasket 6 when spring I 7 and spring II 13 are compressed to utmostly
Pressure makes its expansion.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of natural gas tube seal structures, including first pipe (1), it is characterised in that: the inner wall of the first pipe (1)
Circular trough I (2) is offered, and the inner wall of circular trough I (2) is fixedly installed with connecting cylinder (3), one end of the connecting cylinder (3) is passed through
The outside of circular trough I (2) is worn and extends to, and connecting cylinder (3) is located at the internal both ends of circular trough I (2) and is fixedly installed with respectively
One end of telescopic rod I (4), two telescopic rods I (4) is fixedly connected with the outside of pressing plate I (5), and the bottom of pressing plate I (5)
It being fixedly connected at the top of gasket (6), the bottom of the gasket (6) is flexibly connected with the inner wall of circular trough I (2), and two
The external activity of the telescopic rod I (4) is socketed with spring I (7), and the connecting cylinder (3) is located at the external one end of circular trough I (2)
Circular trough II (9), the sealing are offered with the inner wall of the inside for running through and extending to second pipe (8), and second pipe (8)
The inside of circular trough II (9) is run through and extended in one end of pad (6), and gasket (6) is located at the top of circular trough II (9) inner cavity
It is fixedly connected with pressing plate II (10), the both ends at the top of the pressing plate II (10) have been respectively fixedly connected with telescopic rod II (11), and two
The top of a telescopic rod II (11) is fixedly connected with the both ends of movable plate (12) bottom respectively, the outside of the telescopic rod II (11)
Movable sleeve is connected to spring II (13), and the connecting cylinder (3) is located at the internal inner wall of circular trough II (9) and is fixedly installed with ball
(14).
2. a kind of natural gas tube seal structures according to claim 1, it is characterised in that: the connecting cylinder (3) is located at
The internal outer wall of second pipe (8) offers screw thread, and the length value of screw thread is equal to the length of circular trough II (9) on connecting cylinder (3)
Angle value.
3. a kind of natural gas tube seal structures according to claim 1, it is characterised in that: the pressing plate I (5) is located at circle
The inside of shape slot I (2), and one end of pressing plate I (5) is flexibly connected with the inner wall of circular trough I (2).
4. a kind of natural gas tube seal structures according to claim 1, it is characterised in that: the both ends of the spring I (7)
It is fixedly connected respectively with the both ends of telescopic rod I (4), and spring I (7) is in confined state.
5. a kind of natural gas tube seal structures according to claim 1, it is characterised in that: the circular trough II (9)
Inner wall offers the compatible screw thread with connecting cylinder (3) outside, and the external spiral shell of the inside of circular trough II (9) and connecting cylinder (3)
Line connection.
6. a kind of natural gas tube seal structures according to claim 1, it is characterised in that: the ball (14) is in a ring
It is distributed in the bottom that connecting cylinder (3) is located at circular trough II (9) inner cavity, and the top of the bottom of ball (14) and movable plate (12) is sliding
Dynamic connection.
Priority Applications (1)
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CN201821647809.3U CN209067997U (en) | 2018-10-11 | 2018-10-11 | A kind of natural gas tube seal structures |
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CN201821647809.3U CN209067997U (en) | 2018-10-11 | 2018-10-11 | A kind of natural gas tube seal structures |
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CN209067997U true CN209067997U (en) | 2019-07-05 |
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CN201821647809.3U Active CN209067997U (en) | 2018-10-11 | 2018-10-11 | A kind of natural gas tube seal structures |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112610759A (en) * | 2020-12-14 | 2021-04-06 | 刘飞杨 | Sealing ring and connecting piece for pipeline reducing connection and use method |
-
2018
- 2018-10-11 CN CN201821647809.3U patent/CN209067997U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112610759A (en) * | 2020-12-14 | 2021-04-06 | 刘飞杨 | Sealing ring and connecting piece for pipeline reducing connection and use method |
CN112610759B (en) * | 2020-12-14 | 2022-06-24 | 湖北卓腾机电有限公司 | Sealing ring and connecting piece for pipeline reducing connection and use method |
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