CN209892912U - Flexible telescopic joint and pipeline conveying system - Google Patents
Flexible telescopic joint and pipeline conveying system Download PDFInfo
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- CN209892912U CN209892912U CN201920516029.3U CN201920516029U CN209892912U CN 209892912 U CN209892912 U CN 209892912U CN 201920516029 U CN201920516029 U CN 201920516029U CN 209892912 U CN209892912 U CN 209892912U
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Abstract
The utility model provides a flexible expansion joint and a pipeline conveying system, which relate to the technical field of expansion joints and comprise a first fixing component, a second fixing component and a flexible belt; the flexible belt is arranged between the first fixing component and the second fixing component, one end of the flexible belt is connected with the first fixing component, and the other end of the flexible belt is connected with the second fixing component; the flexible band can flexibly stretch out and draw back, can be close to the limit shrink state between first fixed subassembly and the fixed subassembly of second, and under the limit shrink state, first fixed subassembly and the fixed subassembly butt of second or partial coincidence have alleviated the telescopic joint among the prior art and have taken great installation space's technical problem, have optimized the structure of the telescopic joint among the prior art, and is less to installation and usage space requirement.
Description
Technical Field
The utility model belongs to the technical field of the telescopic joint technique and specifically relates to a flexible telescopic joint and pipe-line conveying system are related to.
Background
The expansion joint is also called a pipe expansion joint, an expansion joint, a compensator, an expansion device, etc., and generally, the expansion joint is connected in series in a conveying pipe to compensate the expansion deformation of the pipe caused by the temperature and pressure changes, or to adapt to the length change of the pipe required by installation adjustment, etc., wherein, the expansion joint is a bent pipe type expansion joint and a corrugated pipe expansion joint which are frequently used.
The bent tube type expansion joint bends a tube into a U-shaped, W-shaped or other similar bending shape body, and the elastic deformation of the shape body enables the expansion joint to have a certain length adjusting function. The corrugated pipe expansion joint is an expansion joint made of metal corrugated pipes, and the expansion of the expansion joint along the axis direction of the expansion joint is realized through the contraction or the extension of a corrugated pipe.
However, since the telescopic deformable section of the elbow type telescopic joint is set to be a curved body such as a U shape or a W shape, the curved body inevitably occupies a large installation space, and the structure is not compact. The contractibility of the corrugated pipeline which can be deformed telescopically in the bellows expansion joint has a certain limit, and even in a limit contraction state, the length of the corrugated pipeline can also occupy a longer installation distance, so that the use requirement of a smaller installation space can not be met.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible telescopic joint and pipe-line conveying system to the telescopic joint among the prior art has been alleviated and great installation space's technical problem has been occupied.
In order to solve the technical problem, the utility model provides a technical scheme lies in:
the utility model provides a flexible expansion joint, which comprises a first fixing component, a second fixing component and a flexible belt;
the flexible belt is arranged between the first fixing component and the second fixing component, one end of the flexible belt is connected with the first fixing component, and the other end of the flexible belt is connected with the second fixing component;
the flexible band can be flexible, can be close to the limit shrink state between first fixed subassembly and the second fixed subassembly, and under the limit shrink state, first fixed subassembly and the fixed subassembly butt of second or partial coincidence.
Further, the first fixing component comprises a first fixing main body and a first connecting part;
one end of the flexible belt is arranged between the first fixing main body and the first connecting portion, and the first fixing main body is connected with the first connecting portion.
Further, the second fixing assembly comprises a second fixing body and a second connecting part;
the one end that first fixed main part was kept away from to the flexible belt sets up between second fixed main part and second connecting portion, and the fixed main part of second is connected with second connecting portion.
Further, the flexible telescopic joint also comprises a connecting component;
coupling assembling's one end and first fixed main part are connected, and the other end is connected with second connecting portion, and coupling assembling can adjust the length of self to change the distance between first fixed main part and the fixed main part of second.
Further, the connecting assembly comprises a connecting piece, a first fitting piece and a second fitting piece;
first fitting piece is connected with first fixed main part, and the second fitting piece is connected with second connecting portion, and first fitting piece and second fitting piece set up respectively in the both ends of connecting piece, and first fitting piece and second fitting piece all with connecting piece swing joint to can adjust the distance between first fitting piece and the second fitting piece.
Further, the first fitting piece is connected with the first fixing body through the first fixing portion.
Further, the second fitting piece is connected with the second connecting part through the second fixing part.
Furthermore, one end, far away from the second fixing component, of the first fixing main body is provided with a first flange.
Furthermore, one end, far away from the first fixing component, of the second fixing main body is provided with a second flange.
The utility model provides a pipeline conveying system, including flexible telescopic joint.
Technical scheme more than combining, the utility model discloses the beneficial effect who reaches lies in:
the flexible expansion joint provided by the utility model has the advantages that the flexible belt is arranged between the first fixing component and the second fixing component, one end of the flexible belt is connected with the first fixing component, the other end of the flexible belt is connected with the second fixing component, the flexible belt can flexibly expand and contract, when the first fixing component is abutted against the second fixing component, the distance between the first fixing component and the second fixing component is zero or the thickness of the flexible belt, and the occupation of the installation space can be reduced; when the first fixing component and the second fixing component are partially overlapped, the total length of the first fixing component and the second fixing component is reduced, and the occupied installation space is smaller. The technical problem that the expansion joint in the prior art occupies a large installation space is solved, the structure of the expansion joint in the prior art is optimized, and the requirements on installation and use space are low.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
For a clear explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a flexible expansion joint provided in an embodiment of the present invention;
fig. 2 is a sectional view of a flexible expansion joint provided in an embodiment of the present invention;
fig. 3 is a schematic view of a connection assembly structure in a flexible expansion joint provided by an embodiment of the present invention.
Icon: 100-a first securing component; 110-a first fixed body; 120-a first connection; 200-a second stationary component; 210-a second fixed body; 220-a second connection; 300-a flexible band; 400-a connection assembly; 410-a connector; 420-a first mating member; 430-a second mating member; 440-a first locking nut; 450-a second locking nut; 500-a first fixed part; 510-a second stationary part; 600-a first flange; 610-second flange.
Detailed Description
The technical solution of the present invention will be described in detail and fully with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic overall structural diagram of a flexible expansion joint provided in this embodiment; fig. 2 is a sectional view of the flexible telescopic joint provided in the present embodiment; fig. 3 is a schematic structural view of a connection assembly in the flexible expansion joint provided in this embodiment.
As shown in fig. 1, the present embodiment provides a flexible telescopic joint including a first fixing member 100, a second fixing member 200, and a flexible band 300; the flexible belt 300 is arranged between the first fixing component 100 and the second fixing component 200, one end of the flexible belt 300 is connected with the first fixing component 100, and the other end is connected with the second fixing component 200; the flexible band 300 can flexibly stretch and retract, the first fixing component 100 and the second fixing component 200 can be close to a limit contraction state, and in the limit contraction state, the first fixing component 100 is abutted to or partially overlapped with the second fixing component 200.
Specifically, the flexible band 300 is made of a band-shaped material made of rubber, rubber-asbestos, aerogel felt-polyurethane, or the like; preferably, the flexible band 300 is made of rubber-asbestos material, and the flexible band 300 made of rubber-asbestos material has excellent heat insulation performance, strong acid and alkali resistance, is relatively soft and good in elasticity, is convenient to stretch or fold, and occupies small space; a first flow cavity is formed in the first fixing component 100, a second flow cavity is formed in the second fixing component 200, one end of the flexible belt 300 is connected with the first fixing component 100 in a sealing mode, the other end of the flexible belt is connected with the second fixing component 200 in a sealing mode, so that the first flow cavity is communicated with the second flow cavity, meanwhile, one end, far away from the flexible belt 300, of the first fixing component 100 is connected with an upstream conveying pipeline in a sealing mode, one end, far away from the flexible belt 300, of the second fixing component 200 is connected with a downstream pipeline, and a sealing passage is formed among the first fixing component 100, the flexible belt 300 and the second fixing component 200.
When the diameter of the end of the first fixing member 100 close to the second fixing member 200 is the same as or similar to the diameter of the second fixing member 200, the end of the first fixing member 100 abuts against the end of the second fixing member 200 in the above-mentioned extreme contracted state; when the diameter of the first fixing element 100 near the end of the second fixing element 200 is smaller than the diameter of the second fixing element 200, the first fixing element 100 can extend into the second fixing element 200 for a certain distance in the above-mentioned extreme contraction state.
In the flexible telescopic joint provided by the embodiment, because the flexible belt 300 is arranged between the first fixing component 100 and the second fixing component 200, one end of the flexible belt 300 is connected with the first fixing component 100, the other end of the flexible belt 300 is connected with the second fixing component 200, and the flexible belt 300 can flexibly stretch, when the first fixing component 100 abuts against the second fixing component 200, the distance between the first fixing component 100 and the second fixing component 200 is zero or the thickness of the flexible belt, so that the occupation of an installation space can be reduced; when the first fixing member 100 and the second fixing member 200 are partially overlapped, the total length of the first fixing member 100 and the second fixing member 200 is reduced, and the installation space is less occupied. The technical problem that the expansion joint in the prior art occupies a large installation space is solved, the structure of the expansion joint in the prior art is optimized, and the requirements on installation and use space are low.
On the basis of the above embodiment, the present embodiment provides a first fixing assembly 100 in a flexible telescopic joint, which includes a first fixing main body 110 and a first connecting portion 120; one end of the flexible band 300 is disposed between the first fixing body 110 and the first connecting portion 120, and the first fixing body 110 is connected to the first connecting portion 120.
Specifically, as shown in fig. 2, one end of the first fixing body 110 is formed in a bell mouth shape, the other end is formed in a cylindrical shape, a first flow chamber is provided in the first fixing body 110, the first connecting portion 120 is formed in a ring shape, and the inner diameter of the first connecting portion 120 is the same as the inner diameter of the cylindrical end of the first fixing body 110; a plurality of first through holes are formed in the end surface of the first connecting portion 120 at intervals along the circumferential direction, a plurality of first threaded holes are correspondingly formed in the end surface of the first fixing body 110 close to the first connecting portion 120, one end of the flexible belt 300 is arranged between the first fixing body 110 and the first connecting portion 120, and a connecting bolt sequentially penetrates through the first through holes, the flexible belt 300 and the first threaded holes so as to clamp one end of the flexible belt 300 between the first fixing body 110 and the first connecting portion 120, so that sealing between the flexible belt 300 and the first fixing body 110 is realized; the end of the first stationary body 110 remote from the flexible belt 300 is sealingly connected to an upstream transfer pipe.
Further, the second fixing member 200 includes a second fixing body 210 and a second connecting portion 220; one end of the flexible band 300, which is away from the first fixing body 110, is disposed between the second fixing body 210 and the second connecting portion 220, and the second fixing body 210 is connected to the second connecting portion 220.
Specifically, the second fixing body 210 is integrally formed in a bell mouth shape, a second flow cavity is formed in the second fixing body 210, the second connecting portion 220 is also formed in a ring shape, the outer diameter of the second connecting portion 220 is the same as the outer diameter of the bell mouth maximum position of the second fixing body 210, and the inner diameter of the second connecting portion 220 is larger than the outer diameter of the cylindrical end of the first fixing body 110, so that the second connecting portion 220 can be sleeved on the outer side of the first fixing body 110, and the first fixing body 110 and the second fixing body 210 can be overlapped; a plurality of second through holes are formed in the end face of the second connecting portion 220 at intervals in the circumferential direction, a plurality of second threaded holes are correspondingly formed in the end face of the second fixing body 210 close to the second connecting portion 220, one end of the flexible belt 300 is arranged between the second fixing body 210 and the second connecting portion 220, and a connecting bolt sequentially penetrates through the second through holes, the flexible belt 300 and the second threaded holes so as to clamp one end of the flexible belt 300 between the second fixing body 210 and the second connecting portion 220, so that sealing between the flexible belt 300 and the second fixing body 210 is realized; the end of the second stationary body 210 remote from the flexible belt 300 is sealingly connected to a downstream transport pipe.
In the flexible expansion joint provided by the present embodiment, one end of the flexible band 300 is clamped between the first fixing body 110 and the first connecting portion 120, and the other end is clamped between the first fixing body 110 and the second connecting portion 220, so that a sealed flow of fluid in the first flow chamber and the second flow chamber is realized.
On the basis of the above embodiments, the flexible telescopic joint provided by this embodiment further includes a connecting assembly 400; one end of the connection assembly 400 is connected with the first fixing body 110 and the other end is connected with the second connection part 220, and the connection assembly 400 can adjust its own length to change the distance between the first fixing body 110 and the second fixing body 210.
Specifically, the connection assembly 400 may be configured as a bidirectional threaded connection rod or an electric telescopic rod, one end of the connection assembly 400 is connected to the first fixing body 110 through a nut, and the other end is connected to the second connection portion 220 through a bolt; since the connection assembly 400 is telescopically adjustable in length, the length of the connection assembly 400 can be adapted to the distance between the first fixing body 110 and the second fixing body 210, and when the distance between the first fixing body 110 and the second fixing body 210 is determined, the connection assembly 400 is used for fixing the relative position relationship between the first fixing body 110 and the second fixing body 210; the connecting assemblies 400 are provided in plurality, and the connecting assemblies 400 are arranged at intervals around the circumferential direction of the first fixing main body 110 and the second fixing main body 210, preferably, the connecting assemblies 400 are provided in three, and the three connecting assemblies 400 can reliably ensure that the positional relationship between the first fixing main body 110 and the second fixing main body 210 does not dislocate with an external force.
Further, the connecting assembly 400 includes a connecting member 410, a first fitting member 420, and a second fitting member 430; the first fitting piece 420 is connected to the first fixing body 110, the second fitting piece 430 is connected to the second connecting portion 220, the first fitting piece 420 and the second fitting piece 430 are respectively disposed at two ends of the connecting member 410, and the first fitting piece 420 and the second fitting piece 430 are movably connected to the connecting member 410, so that a distance between the first fitting piece 420 and the second fitting piece 430 can be adjusted.
Specifically, as shown in fig. 3, the connecting member 410 is a screw rod, both ends of the screw rod are provided with threads, the first fitting member 420 and the second fitting member 430 are respectively provided with an internal thread hole, the first fitting member 420 and the second fitting member 430 are respectively in threaded connection with both ends of the connecting member 410, and further, the distance between the first fitting member 420 and the second fitting member 430 can be changed. The end of the first fitting piece 420 away from the connecting piece 410 is connected to the first fixing body 110 by a fixing bolt, and the end of the second fitting piece 430 away from the connecting piece 410 is also connected to the second connecting portion 220 by a fixing bolt. The connecting assembly 400 further comprises a first locking nut 440 and a second locking nut 450, wherein the first locking nut 440 and the second locking nut 450 are sleeved on the connecting piece 410 and are in threaded fit with the connecting piece 410; the first locking nut 440 is used to limit the rotation of the first mating member 420 around the axis of the connecting member 410, and the second locking nut 450 is used to limit the rotation of the second mating member 430 around the axis of the connecting member 410, so as to fix the distance between the first mating member 420 and the second mating member 430.
Further, the first fitting member 420 is connected to the first fixing body 110 through the first fixing portion 500.
Specifically, the first fixing portion 500 is configured as a metal cylinder, one end of the first fixing portion 500 is welded on the first fixing body 110, the other end is configured as a screw, the first fitting member 420 is sleeved on the screw, and the diameter of one end of the screw is smaller than that of the other end, so as to position the first fitting member 420 on one end of the screw; the external nut is engaged with the screw to fix the first engaging member 420 to the first fixing portion 500.
Further, the second fitting member 430 is connected to the second connecting portion 220 through the second fixing portion 510.
Specifically, the second fixing portion 510 is also configured as a metal cylinder, one end of the second fixing portion 510 is welded to the second connecting portion 220, the other end of the second fixing portion 510 is provided with an internal threaded hole, and the external fastening bolt passes through the connecting hole of the second fitting member 430 to be matched with the internal threaded hole of the second fixing portion 510, so as to fix the second fitting member 430 to the second connecting portion 220.
In the flexible telescopic joint provided by this embodiment, one end of the connecting assembly 400 is connected to the first fixing portion 500 on the first fixing body 110 through the connecting nut, the other end of the connecting assembly is connected to the second fixing portion 510 on the second connecting portion 220 through the bolt, and the self length of the connecting assembly 400 can be adjusted, so that the flexible adjustment and reliable fixation of the distance between the first fixing body 110 and the second fixing body 210 are realized.
On the basis of the above embodiment, the present embodiment provides a flexible telescopic joint, wherein a first flange 600 is disposed at an end of the first fixing body 110 away from the second fixing assembly 200.
Specifically, the first flange 600 is welded at one end of the first fixing body 110 far away from the second fixing body 210, and a plurality of through holes are formed in the end surface of the first flange 600 and are arranged at intervals along the circumferential direction of the first flange 600; external fastening bolts are inserted through the through holes to be engaged with the screw holes of the upstream pipe flange, so as to fix the first fixing body 110 to the upstream pipe.
Further, a second flange 610 is disposed at an end of the second fixing body 210 away from the first fixing member 100.
Specifically, the second flange 610 is welded at one end of the second fixing body 210 far away from the first fixing body 110, and a plurality of through holes are also formed in the end surface of the second flange 610 and are arranged at intervals along the circumferential direction of the second flange 610; external fastening bolts are passed through the through holes to be fitted into threaded holes in a flange of a downstream transfer pipe to fix the second fixing body 210 to the downstream transfer pipe.
In the flexible telescopic joint provided by this embodiment, the first fixing main body 110 is connected to an upstream conveying pipeline through the first flange 600, and the second fixing main body 210 is connected to a downstream conveying pipeline through the second flange 610, so that the flexible telescopic joint provided by this embodiment is more convenient to connect to an external pipeline.
On the basis of the above embodiments, the present embodiment provides a pipeline conveying system, which includes a flexible telescopic joint.
Since the technical effect of the pipeline conveying system provided by the embodiment is the same as that of the flexible telescopic joint provided by the above, the detailed description is omitted here.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A flexible expansion joint, comprising: the device comprises a first fixing component, a second fixing component and a flexible belt;
the flexible belt is arranged between the first fixing component and the second fixing component, one end of the flexible belt is connected with the first fixing component, and the other end of the flexible belt is connected with the second fixing component;
the flexible belt can flexibly stretch out and draw back, the first fixing component and the second fixing component can be close to a limit contraction state, and the first fixing component is abutted to or partially overlapped with the second fixing component in the limit contraction state.
2. The flexible telescopic joint according to claim 1, wherein the first fixing assembly comprises a first fixing body and a first connecting portion;
one end of the flexible belt is arranged between the first fixing main body and the first connecting portion, and the first fixing main body is connected with the first connecting portion.
3. The flexible telescopic joint according to claim 2, wherein the second fixing assembly comprises a second fixing body and a second connecting portion;
one end, far away from the first fixing body, of the flexible belt is arranged between the second fixing body and the second connecting portion, and the second fixing body is connected with the second connecting portion.
4. The flexible telescopic joint according to claim 3, further comprising a connection assembly;
coupling assembling's one end with first fixed main part is connected, the other end with the second connecting portion are connected, coupling assembling can adjust the length of self, in order to change first fixed main part with distance between the fixed main part of second.
5. The flexible telescopic joint according to claim 4, wherein the connection assembly comprises a connection member, a first fitting member and a second fitting member;
the first fitting piece with first fixed main part is connected, the second fitting piece with the second connecting portion are connected, the first fitting piece with the second fitting piece set up respectively in the both ends of connecting piece, the first fitting piece with the second fitting piece all with connecting piece swing joint to can adjust first fitting piece with distance between the second fitting piece.
6. The flexible telescopic joint according to claim 5, wherein the first fitting is connected to the first fixing body by a first fixing portion.
7. The flexible telescopic joint according to claim 5, wherein the second fitting is connected to the second connecting portion by a second fixing portion.
8. The flexible telescopic joint according to claim 2, wherein an end of the first fixing body remote from the second fixing member is provided with a first flange.
9. A flexible telescopic joint according to claim 3, wherein the end of the second fixing body remote from the first fixing member is provided with a second flange.
10. A pipe conveying system comprising a flexible telescopic joint according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516029.3U CN209892912U (en) | 2019-04-16 | 2019-04-16 | Flexible telescopic joint and pipeline conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516029.3U CN209892912U (en) | 2019-04-16 | 2019-04-16 | Flexible telescopic joint and pipeline conveying system |
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| Publication Number | Publication Date |
|---|---|
| CN209892912U true CN209892912U (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920516029.3U Active CN209892912U (en) | 2019-04-16 | 2019-04-16 | Flexible telescopic joint and pipeline conveying system |
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| Country | Link |
|---|---|
| CN (1) | CN209892912U (en) |
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- 2019-04-16 CN CN201920516029.3U patent/CN209892912U/en active Active
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