CN210950377U - Sealing assembly for expansion joint - Google Patents
Sealing assembly for expansion joint Download PDFInfo
- Publication number
- CN210950377U CN210950377U CN201921779504.2U CN201921779504U CN210950377U CN 210950377 U CN210950377 U CN 210950377U CN 201921779504 U CN201921779504 U CN 201921779504U CN 210950377 U CN210950377 U CN 210950377U
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- Prior art keywords
- rings
- expansion joint
- ring
- mounting
- fixedly mounted
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- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 abstract description 4
- 210000001503 joint Anatomy 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to an expansion joint technical field just discloses sealing assembly for expansion joint, including flexible pipe, the equal fixed mounting in the left and right sides of flexible pipe has the go-between, two the mounting groove has all been seted up to the back of the body one side of the go-between, two the equal fixed mounting in inside of mounting groove has the collar, two the equal fixed mounting in inside of collar has the inner ring, two the equal fixed mounting in back of the body one side of the back of the body of inner ring has the rubber circle, two the ring channel, two have all been seted up to relative one side of go-between the equal movable mounting in inside of ring channel has the loose. This sealing assembly for expansion joint possesses and connects advantages such as inseparable, and the leakproofness of its connection need be guaranteed when the joint end of having solved present expansion joint is fixed in butt joint with other pipelines, and if the leakproofness of connecting can not be guaranteed, the liquid or the gaseous leakage that will take place of the inside transport of pipeline cause the pollution to the surrounding environment, seriously probably cause dangerous problem to staff's safety.
Description
Technical Field
The utility model relates to an expansion joint technical field specifically is a seal assembly for expansion joint.
Background
The expansion joint is a flexible element which can effectively compensate the axial deformation, for example, the expansion joint welded on the shell of a fixed tube-plate heat exchanger has large axial flexibility and is easy to deform, can compensate the thermal expansion difference generated by the tube and the shell due to different wall temperatures, and reduces the axial load of the tube and the shell, thereby reducing the temperature difference stress of the tube, the tube plate and the shell, avoiding the strength damage, the instability damage and the tube pull-off damage, and the expansion joint has more types and is commonly used with structures such as wave shape, ring plate welding, clamping shell type and the like, wherein the wave shape expansion joint is most widely applied, the ring plate welding expansion joint is only suitable for normal pressure or low pressure occasions, because the expansion joint is used as an elastic compensation element which can freely stretch out and draw back, has the advantages of reliable work, good performance, compact structure and the like, and is widely applied in the departments of chemical engineering metallurgy, nuclear energy and the like, there are various forms, and the U-shaped expansion joint is most widely used in terms of the shape of the bellows.
When the joint end of the expansion joint is butted and fixed with other pipelines at present, the connection tightness of the expansion joint needs to be ensured, if the connection tightness is not ensured, liquid or gas conveyed inside the pipeline leaks, the surrounding environment is polluted, and the safety of workers is seriously possibly dangerous, so that the sealing assembly for the expansion joint is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a sealing assembly for expansion joint possesses to connect advantages such as inseparable, and the joint end of having solved present expansion joint needs to guarantee its leakproofness of connecting when butt joint is fixed with other pipelines, if the leakproofness of connecting can not obtain the assurance, and the liquid or the gas of pipeline inside transport will take place to leak, cause the pollution to the surrounding environment, seriously probably cause dangerous problem to staff's safety.
(II) technical scheme
In order to realize the purpose of the connection tightness, the utility model provides a following technical scheme: the sealing assembly for the expansion joint comprises a telescopic pipe, wherein connecting rings are fixedly mounted on the left side and the right side of the telescopic pipe respectively, mounting grooves are formed in opposite sides of the two connecting rings respectively, mounting rings are fixedly mounted in the two mounting grooves respectively, inner rings are fixedly mounted in the two mounting rings respectively, rubber rings are fixedly mounted on opposite sides of the two inner rings respectively, annular grooves are formed in opposite sides of the two connecting rings respectively, movable rings are movably mounted in the two annular grooves respectively, outer rings are fixedly mounted on opposite sides of the two movable rings respectively, through holes are formed in the two outer rings and are distributed in an annular shape at equal intervals, rivets are movably mounted in the through holes, bolt holes with one ends penetrating through and extending into the connecting rings are formed in the rivets, and screw rods are connected to the inner threads of the bolt holes, the rivet is kept away from the one end fixed mounting of bolt hole and is had the spacing ring, the inner chamber has been seted up to flexible inside.
Preferably, the diameters of the two connecting rings are larger than that of the telescopic pipe, and the two inner rings are respectively and fixedly connected with the two connecting rings.
Preferably, the two rubber rings are fixedly connected with the two mounting rings respectively, and the two rubber rings are in a conical shape.
Preferably, one end of the screw rod, which is close to the bolt hole, penetrates through and extends into the connecting ring, and a nut is fixedly mounted on one side, which is far away from the connecting ring, of the bolt hole.
Preferably, the two outer collars are respectively located at the outer sides of the two connecting rings, and one ends, away from the two movable rings, of the two outer collars respectively extend to the opposite sides of the two connecting rings.
Preferably, the number of the rivets is the same as that of the through holes, and one end, away from the limiting ring, of each rivet is an inclined plane.
(III) advantageous effects
Compared with the prior art, the utility model provides a sealing assembly for expansion joint possesses following beneficial effect:
1. the sealing assembly for the expansion joint is characterized in that during installation, a telescopic pipe is moved to a position between two pipelines to be butted, two connecting rings are respectively butted with the two pipelines in a wiring mode, two outer sleeves on the left side and the right side of the telescopic pipe are respectively sleeved on the outer sides of the two pipelines, two rubber rings are simultaneously ensured to be sleeved inside the two pipelines, a rivet is inserted into a through hole, an inclined plane of the rivet is contacted with the pipelines, the rivet is hammered into the through hole by a hammer, the connecting ring can be attached to the pipelines more tightly along with the hammering of the rivet into the through hole, when the rubber rings and the installing rings are attached to the pipelines tightly, the sealing effect is realized, when the rivet is completely immersed into the through hole, the screw rod is rotated to connect the pipelines with the connecting rings and limit-fix the pipelines, so that the installation is finished, compared with the common method of sealing the pipelines and the connecting rings by rotating, the sealing assembly for the expansion joint has better sealing performance.
2. This sealing component for expansion joint, squeeze into the through-hole through a plurality of rivets, make go-between and pipeline contact atress more even, go-between constantly extrudees rubber circle and collar with the in-process of pipeline laminating, make rubber circle and collar laminate with go-between and pipeline respectively, improve the leakproofness between go-between and the pipeline, it makes the screw rod be connected pipeline and go-between and spacing fixed to rotate the screw rod, can effectually prevent that the rivet from breaking away from the through-hole, improve the stability of its connection, when the rivet squeezes into the through-hole, more person of facilitating the use rotates the screw rod and gets into in the bolt hole, thereby improve the practicality of sealing component for expansion joint.
Drawings
FIG. 1 is a sectional view of the structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a left side sectional view of the outer sleeve structure of the present invention.
In the figure: the telescopic pipe comprises a telescopic pipe 1, a connecting ring 2, an inner ring 3, a rubber ring 4, a screw 5, a rivet 6, an outer sleeve 7, an installation ring 8, a movable ring 9, an installation groove 10, a bolt hole 11, a limiting ring 12, a through hole 13, an annular groove 14 and an inner cavity 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-3, the present invention provides a technical solution: the sealing assembly for the expansion joint comprises a telescopic pipe 1, connecting rings 2 are fixedly installed on the left side and the right side of the telescopic pipe 1, mounting grooves 10 are respectively formed in the opposite sides of the two connecting rings 2, mounting rings 8 are respectively and fixedly installed in the two mounting grooves 10, two rubber rings 4 are respectively and fixedly connected with the two mounting rings 8, the two rubber rings 4 are in a conical shape, inner rings 3 are respectively and fixedly installed in the two mounting rings 8, the diameters of the two connecting rings 2 are larger than that of the telescopic pipe 1, the two inner rings 3 are respectively and fixedly connected with the two connecting rings 2, the rubber rings 4 are respectively and fixedly installed on the opposite sides of the two inner rings 3, annular grooves 14 are respectively formed in the opposite sides of the two connecting rings 2, movable rings 9 are respectively and movably installed in the two annular grooves 14, outer rings 7 are respectively and fixedly installed on the opposite sides of the two movable rings 9, and the two outer rings 7, and the ends of the two outer collars 7 far away from the two movable collars 9 extend to the opposite sides of the two connecting rings 2 respectively, through holes 13 distributed annularly at equal intervals are formed in the two outer collars 7, rivets 6 are movably mounted in the through holes 13, the number of the rivets 6 is the same as that of the through holes 13, the end of the rivet 6 far away from the limit collar 12 is an inclined plane, bolt holes 11 with one ends penetrating and extending to the inside of the connecting rings 2 are formed in the rivets 6, one ends of the screw rods 5 close to the bolt holes 11 penetrate and extend to the inside of the connecting rings 2, nuts are fixedly mounted on the sides of the bolt holes 11 far away from the connecting rings 2, the screws 5 are in threaded connection with the inside of the bolt holes 11, the ends of the rivets 6 far away from the bolt holes 11 are fixedly mounted with the limit collars 12, an inner cavity 15 is formed in the telescopic tube, the two connecting rings 2 are respectively butted with the two pipelines in a wiring way, the two outer sleeves 7 at the left side and the right side of the extension tube 1 are respectively sleeved at the outer sides of the two pipelines, meanwhile, the two rubber rings 4 are ensured to be sleeved inside the two pipelines, the rivet 6 is inserted into the through hole 13, the inclined plane of the rivet 6 is contacted with the pipelines, the rivet 6 is hammered into the through hole 13 by a hammer, the connecting rings 2 can be tightly attached to the pipelines along with the rivet 6 being hammered into the through hole 13, when the rubber rings 4 and the mounting ring 8 are tightly attached to the pipelines, the sealing effect is realized, when the rivet 6 is completely immersed into the through hole 13, the screw 5 is rotated to connect the pipelines with the connecting rings 2 and limit and fix the pipelines, so as to finish the installation, compared with the common method of rotating the screw 5 to seal the pipelines with the connecting rings 2, the sealing component for the expansion joint has better sealing performance, squeeze into through-hole 13 through a plurality of rivets 6, make go-between 2 more even with pipeline contact atress, go-between 2 constantly extrudees rubber circle 4 and collar 8 with the in-process of pipeline laminating, make rubber circle 4 and collar 8 respectively with go-between 2 and pipeline laminating, improve the leakproofness between go-between 2 and the pipeline, it makes screw rod 5 be connected the pipeline with go-between 2 and spacing fixed to rotate screw rod 5, can effectually prevent that rivet 6 from breaking away from through-hole 13, improve the stability of its connection, when rivet 6 squeezes into through-hole 13, more the person of facilitating the use rotates screw rod 5 and gets into in bolt hole 11, thereby improve the practicality of expansion joint seal assembly.
When in use and installation, the extension tube 1 is moved to a position between two pipelines to be butted, the two connecting rings 2 are respectively butted with the two pipelines in a wiring manner, the two outer sleeves 7 at the left side and the right side of the extension tube 1 are respectively sleeved at the outer sides of the two pipelines, meanwhile, the two rubber rings 4 are ensured to be sleeved in the two pipelines, the rivet 6 is inserted into the through hole 13, the inclined plane of the rivet 6 is contacted with the pipelines, the rivet 6 is hammered into the through hole 13 by a hammer, the inclined plane of the rivet 6 is contacted with the pipelines, the connection ring 2 is more tightly jointed with the pipelines along with the hammering of the rivet 6 into the through hole 13, when the rubber rings 4 and the installation ring 8 are tightly jointed with the pipelines, the sealing effect is realized, when the rivet 6 is completely sunk into the through hole 13, the screw rod 5 is rotated to enable the screw rod 5 to connect the pipelines with the connecting rings 2 and, compared with the common method of sealing the pipeline and the connecting ring 2 by rotating the screw rod 5, the sealing assembly for the expansion joint has better sealing performance.
In conclusion, in the sealing assembly for the expansion joint, when the sealing assembly is installed, the extension tube 1 is moved to a position between two pipelines to be butted, the two connecting rings 2 are respectively butted with the two pipelines in a wiring manner, the two outer collars 7 on the left side and the right side of the extension tube 1 are respectively sleeved on the outer sides of the two pipelines, the two rubber rings 4 are simultaneously ensured to be sleeved in the two pipelines, the rivet 6 is inserted into the through hole 13, the inclined surface of the rivet 6 is contacted with the pipelines, the connecting rings 2 are more tightly attached to the pipelines as the rivet 6 is knocked into the through hole 13, when the rubber rings 4 and the mounting rings 8 are tightly attached to the pipelines, the sealing effect is realized, when the rivet 6 is completely sunk into the through hole 13, the screw 5 is rotated to enable the screw 5 to connect the pipelines with the connecting rings 2 and fix the pipelines in a limiting manner, thereby completing the installation, compared with the common method of sealing the pipeline and the connecting ring 2 by rotating the screw rod 5, the sealing assembly for the expansion joint has better sealing performance, the through hole 13 is punched by a plurality of rivets 6, the contact stress between the connecting ring 2 and the pipeline is more uniform, the rubber ring 4 and the mounting ring 8 are continuously extruded in the process of laminating the connecting ring 2 and the pipeline, the rubber ring 4 and the mounting ring 8 are respectively laminated with the connecting ring 2 and the pipeline, the sealing performance between the connecting ring 2 and the pipeline is improved, the screw rod 5 is rotated to ensure that the pipeline and the connecting ring 2 are connected and fixed in a limiting way by the screw rod 5, the rivet 6 can be effectively prevented from being separated from the through hole 13, the connection stability is improved, when the rivet 6 is punched into the through hole 13, a user can more conveniently rotate the screw rod 5 to enter the bolt hole 11, the practicability of the sealing assembly for the expansion joint is improved, and the, the tightness of the connection is required to be ensured, and if the tightness of the connection is not ensured, liquid or gas conveyed inside the pipeline leaks, so that the surrounding environment is polluted, and the safety of workers is seriously possibly dangerous.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Sealing assembly for expansion joint, including flexible pipe (1), its characterized in that: the telescopic pipe is characterized in that connecting rings (2) are fixedly mounted on the left side and the right side of the telescopic pipe (1), mounting grooves (10) are formed in the two opposite sides of each connecting ring (2), mounting rings (8) are fixedly mounted in the two mounting grooves (10), inner rings (3) are fixedly mounted in the two mounting rings (8), rubber rings (4) are fixedly mounted on the two opposite sides of each inner ring (3), annular grooves (14) are formed in the two opposite sides of each connecting ring (2), movable rings (9) are movably mounted in the two annular grooves (14), outer rings (7) are fixedly mounted on the two opposite sides of each movable ring (9), through holes (13) distributed in an annular mode at equal intervals are formed in the two outer rings (7), and rivets (6) are movably mounted in the through holes (13), the telescopic tube is characterized in that a bolt hole (11) is formed in the rivet (6), one end of the bolt hole penetrates through the bolt hole and extends to the inside of the connecting ring (2), a screw rod (5) is connected to the inner thread of the bolt hole (11), a limiting ring (12) is fixedly mounted at one end, far away from the bolt hole (11), of the rivet (6), and an inner cavity (15) is formed in the telescopic tube (1).
2. The seal assembly for an expansion joint according to claim 1, wherein: the diameters of the two connecting rings (2) are larger than the diameter of the telescopic pipe (1), and the two inner rings (3) are fixedly connected with the two connecting rings (2) respectively.
3. The seal assembly for an expansion joint according to claim 1, wherein: the two rubber rings (4) are respectively fixedly connected with the two mounting rings (8), and the two rubber rings (4) are in a conical shape.
4. The seal assembly for an expansion joint according to claim 1, wherein: one end of the screw rod (5) close to the bolt hole (11) penetrates through and extends into the connecting ring (2), and a nut is fixedly mounted on one side, far away from the connecting ring (2), of the bolt hole (11).
5. The seal assembly for an expansion joint according to claim 1, wherein: two outer lantern rings (7) are respectively located the outside of two connecting rings (2), and the one end that two movable rings (9) were kept away from to two outer lantern rings (7) extends to the one side of carrying on the back of the body of two connecting rings (2) respectively.
6. The seal assembly for an expansion joint according to claim 1, wherein: the number of the rivets (6) is the same as that of the through holes (13), and one ends, far away from the limiting rings (12), of the rivets (6) are inclined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921779504.2U CN210950377U (en) | 2019-10-23 | 2019-10-23 | Sealing assembly for expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921779504.2U CN210950377U (en) | 2019-10-23 | 2019-10-23 | Sealing assembly for expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210950377U true CN210950377U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921779504.2U Active CN210950377U (en) | 2019-10-23 | 2019-10-23 | Sealing assembly for expansion joint |
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|---|---|
| CN (1) | CN210950377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339580A (en) * | 2021-07-06 | 2021-09-03 | 深圳粤能能源技术有限公司 | Metering regulating valve for natural gas |
-
2019
- 2019-10-23 CN CN201921779504.2U patent/CN210950377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113339580A (en) * | 2021-07-06 | 2021-09-03 | 深圳粤能能源技术有限公司 | Metering regulating valve for natural gas |
| CN113339580B (en) * | 2021-07-06 | 2022-07-26 | 深圳粤能能源技术有限公司 | Metering regulating valve for natural gas |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20231020 Granted publication date: 20200707 |
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| PP01 | Preservation of patent right |