CN110594500B - Pipeline connecting piece with multiple leakproofness - Google Patents
Pipeline connecting piece with multiple leakproofness Download PDFInfo
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- CN110594500B CN110594500B CN201910915684.0A CN201910915684A CN110594500B CN 110594500 B CN110594500 B CN 110594500B CN 201910915684 A CN201910915684 A CN 201910915684A CN 110594500 B CN110594500 B CN 110594500B
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- 238000007789 sealing Methods 0.000 claims abstract description 144
- 230000008878 coupling Effects 0.000 claims 5
- 238000010168 coupling process Methods 0.000 claims 5
- 238000005859 coupling reaction Methods 0.000 claims 5
- 239000012530 fluid Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 11
- 239000007787 solid Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
- F16L15/008—Screw-threaded joints; Forms of screw-threads for such joints with straight threads with sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Pressure Members (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The invention relates to the field of pipeline connecting pieces, and discloses a pipeline connecting piece with multiple sealing properties, which comprises two first radial sealing rings, wherein the two first radial sealing rings are provided with a same sleeve I in a contact manner, the sleeve I is provided with a detachable fixed sealing device in a contact manner, the sleeve I comprises a fixing ring, two sides of the fixing ring are respectively and fixedly provided with a fixed pipe, the inner diameter of the fixing ring is smaller than that of the fixed pipe, two sides of the fixing ring, which are close to the wall of the fixed pipe, are respectively provided with an end face sealing ring in a contact manner, the wall of the fixed pipe is provided with the first radial sealing ring, the inner wall of the fixed pipe is provided with. The invention has multiple sealing structures, enhances the sealing performance of the pipeline connecting piece, and ensures that the pipeline connecting piece can ensure the sealing performance of the pipeline connecting piece when transmitting different types of fluid or gas, thereby avoiding the condition of medium leakage.
Description
Technical Field
The invention relates to the field of pipeline connecting pieces, in particular to a pipeline connecting piece with multiple sealing performance.
Background
In the process of pipeline engineering construction, in order to transport fluid or gas, pipelines are generally connected through pipeline connectors, so as to achieve the purpose of transporting fluid or gas. Due to the fact that different scenes are used for pipelines, transmitted media can be different, corrosive gas or liquid is not lack of, however, most of existing pipeline connecting pieces only have sealing structures at 1-2 positions, and in the process of transmitting fluid or gas in different types of pipelines for a long time, the pipeline connecting pieces only having the sealing structures at 1-2 positions cannot guarantee the self-sealing performance of the pipeline connecting pieces, and therefore the condition of medium leakage is prone to occurring.
Disclosure of Invention
Based on the technical problem, the invention provides a pipeline connecting piece with multiple sealing performance. The invention has multiple sealing structures, enhances the sealing performance of the pipeline connecting piece, and ensures that the pipeline connecting piece can ensure the sealing performance of the pipeline connecting piece when transmitting different types of fluid or gas, thereby avoiding the condition of medium leakage.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a pipe connection spare with multiple leakproofness, including two first radial seal, two first radial seal go up the contact and are equipped with same sleeve pipe one, the contact is equipped with the fixed sealing device of detachable on the sleeve pipe one, sleeve pipe one includes solid fixed ring, gu fixed ring both sides are fixed respectively and are equipped with fixed pipe, gu fixed ring's internal diameter is less than the internal diameter of fixed pipe, gu fixed ring contacts respectively near the both sides of fixed pipe wall and is equipped with end face seal, be equipped with first radial seal on the pipe wall of fixed pipe, be equipped with the screw thread on the inner wall of fixed pipe, the contact respectively is equipped with second radial seal at the.
In the invention, in order to better connect the pipelines through the pipeline connecting piece, the pipelines with threads at two ends of the two pipelines are selected, then the second radial sealing rings are respectively sleeved on the two pipelines to be connected, and then the fixed sealing device is sleeved on the pipelines, at the moment, a user respectively contacts and places the end surface sealing rings on two sides of the fixed ring positioned in the pipe wall of the fixed pipe, then contacts and places the first radial sealing rings on the pipe wall of the fixed pipe, then plugs the pipelines into the fixed pipe and is in threaded connection with the inner wall of the fixed pipe, and then plugs the other pipeline into the fixed pipe and is in threaded connection with the inner wall of the fixed pipe, or the user moves the fixed ring by a wrench in the process of connecting the fixed pipe and the pipelines, so as to achieve the purpose of connecting the fixed pipe and the pipelines by threads, after the fixed pipe is in threaded connection with the pipelines, the end surfaces of, at this time, a user should check whether two end faces of the first radial seal ring are flush with two end faces of the first sleeve, after the outer end face of the first radial seal ring is flush with the outer end face of the first sleeve, axially move the second radial seal ring sleeved on the pipeline to enable the end face of the second radial seal ring to be in contact with and flush with the end face of the first sleeve, then move the fixed seal device sleeved on the pipeline onto the first sleeve to enable the fixed seal device to be sleeved on the first sleeve, adjust the position of the fixed seal device to enable the end face of the fixed seal device to be flush with the end face of the second radial seal ring, and enable the first sleeve, the first radial seal ring, the second radial seal ring and the end face seal ring to be tightly attached to the pipeline through the fixed seal device to play a multiple sealing role, and the pipeline connecting piece is provided with multiple seal structures which are respectively an end face seal ring, a first radial, The second radial sealing ring and the fixed sealing device realize multiple sealing performance on the pipeline, strengthen the sealing function on the pipeline, strengthen the sealing performance of the pipeline connecting piece, ensure the sealing performance of the pipeline connecting piece when the pipeline connecting piece transmits different types of fluid or gas, and avoid the condition of medium leakage; in order to enhance the sealing performance between the pipeline and the pipeline connecting piece, the pipeline needs to be coated with thread sealing and locking glue before being connected with the pipeline connecting piece.
As a preferred mode, the two sides of the fixing rings are respectively fixedly provided with a fixing pipe, the inner walls of the two fixing pipes are provided with threads with opposite rotation directions, each fixing pipe comprises a first through pipe and a second through pipe, the threads are arranged on the inner wall of the second through pipe, and one end of the first through pipe, which extends outwards, is arranged at one end of the second through pipe.
Preferably, the inner diameter of the fixing ring is smaller than the inner diameter of the fixing tube.
As a preferable mode, a first radial sealing ring is arranged on the inner wall of the first through pipe.
Preferably, the outer diameter of the first through pipe is larger than that of the second through pipe, and the inner diameter of the first through pipe is consistent with that of the first radial sealing ring.
As a preferred mode, the fixed sealing device comprises a second sleeve, a second radial sealing ring is arranged on the inner wall of the second sleeve in a contact mode, and a holding hoop is arranged on the outer surface of the second radial sealing ring in a contact mode.
Preferably, the inner diameter of the second radial seal ring is equal to the inner diameter of the first radial seal ring, and the outer diameter of the second radial seal ring is equal to the inner diameter of the second sleeve.
As an optimal mode, the holding hoop comprises two arc blocks, fixing blocks are arranged at two ends of each arc block, a plurality of bolt holes are uniformly distributed in the fixing blocks, and bolts are arranged in the bolt holes.
The invention has the following beneficial effects:
(1) the invention has multiple sealing structures, enhances the sealing performance of the pipeline connecting piece, and ensures that the pipeline connecting piece can ensure the sealing performance of the pipeline connecting piece when transmitting different types of fluid or gas, thereby avoiding the condition of medium leakage.
(2) The two sides of the fixing ring are respectively and fixedly provided with the fixing pipes, the inner walls of the two fixing pipes are provided with threads with opposite turning directions, each fixing pipe comprises a first through pipe and a second through pipe, the threads are arranged on the inner walls of the second through pipes, the first through pipes are arranged at the ends, extending outwards, of the two through pipes, and the threads of the two fixing pipes are opposite, so that when a user connects the two pipelines, the user respectively selects the pipelines with the same turning directions as the threads on the pipe walls of the two fixing pipes to connect, and the threads are arranged on the inner walls of the second through pipes, and the two fixing pipes are provided with two threads, so that the two second through pipes are also provided with two threads, and the threads of the two; when the pipeline and the through pipe II are connected, a user can plug the pipeline into the fixed pipe and is in threaded connection with the inner wall of the fixed pipe by one to two thread teeth, then plug another pipeline into the other fixed pipe and is in threaded connection with the inner wall of the fixed pipe by one to two thread teeth, and then the user moves the fixed ring by means of a wrench to enable the two fixed pipes to be in threaded connection with different pipelines at the same time.
(3) According to the invention, the inner diameter of the fixing ring is smaller than that of the fixing pipe, and the inner diameter of the fixing ring is smaller than that of the fixing pipe in the process of connecting the pipeline and the pipeline, so that two sides of the fixing pipe close to the pipe wall of the fixing pipe can be conveniently contacted with the end face sealing ring respectively, and the fixing ring and the end face sealing ring can play a first step of preventing the pipeline connecting piece from leaking media.
(4) According to the invention, the first radial sealing ring is arranged on the inner wall of the first through pipe, a user enables the first sleeve pipe, the first radial sealing ring, the second radial sealing ring and the end face sealing ring to be tightly attached to the pipeline through the fixed sealing device, so that multiple sealing effects are achieved, and the first sealing ring can enhance the sealing property between the first sleeve pipe and the fixed device, so that the sealing property of the pipeline connecting piece is enhanced.
(5) According to the invention, the outer diameter of the first through pipe is larger than that of the second through pipe, the inner diameter of the first through pipe is consistent with that of the first radial sealing ring, when the pipeline is in threaded connection with the second through pipe, the inner diameter of the first through pipe is consistent with that of the first radial sealing ring, so that the pipeline can smoothly penetrate into the sleeve and is in threaded connection with the second through pipe, when a user fixes the first sleeve and the second sleeve through the fixing sealing device, the outer diameter of the first through pipe is larger than that of the second through pipe, so that a pressing point is arranged between the first sleeve and the second sleeve, and the second sleeve is stressed to be tightly attached to the pipeline.
(6) According to the invention, the fixed sealing device comprises a second sleeve, a second radial sealing ring is arranged on the inner wall of the second sleeve in a contact manner, a hoop is arranged on the outer surface of the second radial sealing ring in a contact manner, and after a user sleeves the second sleeve on the first sleeve and aligns with two ends of the first sleeve, the first radial sealing ring, the second radial sealing ring and the end face sealing ring are tightly attached to the pipeline through the hoop, so that multiple sealing effects are achieved, wherein the second radial sealing ring can enhance the sealing performance among the pipeline, the first sleeve and the second sleeve, and further enhance the sealing performance among pipeline connecting pieces.
(7) According to the invention, the inner diameter of the second radial sealing ring is consistent with that of the first radial sealing ring, the outer diameter of the second radial sealing ring is consistent with that of the second sleeve, and in the process of connecting the pipeline and the pipeline connecting piece, the inner diameter of the second radial sealing ring is consistent with that of the first radial sealing ring, so that the pipeline and the second sleeve can be conveniently connected by a user in a threaded manner, the outer diameter of the second radial sealing ring is consistent with that of the second sleeve, the first sleeve and the second radial sealing ring can be sleeved with the second sleeve in a sleeved manner, and the two ends of the second sleeve are flush with the two ends of the second radial sealing ring, so that the sealing performance among the second sleeve, the pipeline and the first sleeve can.
(8) According to the invention, the holding hoop comprises two arc blocks, the two ends of each arc block are provided with the fixed blocks, the fixed blocks are provided with a plurality of bolt holes which are uniformly distributed on the fixed blocks, the bolt holes are internally provided with bolts, after the sleeve II is sleeved on the sleeve I, a user can clamp the two arc blocks on the sleeve I respectively, and then the fixed blocks on the two arc blocks are fixed by the bolts, so that the sleeve I, the first radial sealing ring, the second radial sealing ring and the end face sealing ring are tightly attached to the pipeline, thereby enhancing the sealing property of the pipeline connecting piece.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a schematic diagram of an application of the present invention;
FIG. 5 is a schematic view of A-A of FIG. 4;
FIG. 6 is a schematic view of the connection of the fixing ring and the first sleeve;
the sealing device comprises a first radial sealing ring 1, a second radial sealing ring 2, a fixed sealing device 3, a second sleeve 31, a second 32 hooping hoop, an arc block 321, a fixing block 322, a bolt hole 323, a bolt 324, a first sleeve 4, a fixing ring 41, a fixing pipe 42, a first pipe 421, a second pipe 422 and a sealing ring 5.
Detailed Description
For a better understanding of the present invention by those skilled in the art, the present invention will be described in further detail below with reference to the accompanying drawings and the following examples.
Example 1:
referring to fig. 1-6, a pipe connection spare with multiple leakproofness, including two first radial seal ring 2, the contact is equipped with same sleeve pipe 4 on two first radial seal ring 2, the contact is equipped with detachable fixed sealing device 3 on the sleeve pipe 4, sleeve pipe 4 includes solid fixed ring 41, gu fixed ring 41 both sides are fixed respectively and are equipped with fixed pipe 42, gu fixed ring 41's internal diameter is less than fixed pipe 42's internal diameter, gu fixed ring 41 contacts respectively near the both sides of fixed pipe 42 pipe wall and is equipped with end face seal ring 5, gu be equipped with first radial seal ring 2 on fixed pipe 42's the pipe wall, be equipped with the screw thread on fixed pipe 42's the inner wall, the both ends of sleeve pipe 4 contact respectively and are equipped with second radial seal.
In the invention, in order to connect the pipelines better through the pipeline connecting piece, the pipelines with threads at two ends of two pipelines are selected, then the second radial sealing rings 1 are respectively sleeved on the two pipelines to be connected, and then the fixed sealing device 3 is sleeved on the pipelines, at this time, after the end face sealing rings 5 are respectively contacted and placed at two sides of the fixed ring 41 positioned in the pipe wall of the fixed pipe 42 by a user, the first radial sealing ring 2 is contacted and placed on the pipe wall of the fixed pipe 42, then the pipeline is plugged into the fixed pipe 42 and is in threaded connection with the inner wall of the fixed pipe 42, then the other pipeline is plugged into the fixed pipe 42 and is in threaded connection with the inner wall of the fixed pipe 42, or the user moves the fixed ring 41 by a wrench in the process of connecting the fixed pipe 42 and the pipelines, so as to achieve the purpose of connecting the fixed pipe 42 and the pipelines by the threads, after the fixed pipe 42 is in, the end face of the pipeline can press the rubber sealing ring, at this time, a user should check whether two end faces of the first radial sealing ring 2 are flush with two end faces of the first sleeve 4, after an outer end face of the first radial sealing ring 2 is flush with an outer end face of the first sleeve 4, axially move the second radial sealing ring 1 sleeved on the pipeline to make an end face of the second radial sealing ring 1 contact with and align with an end face of the first sleeve 4, move the fixed sealing device 3 sleeved on the pipeline onto the first sleeve 4 to make the fixed sealing device 3 sleeved on the first sleeve 4, and adjust the position of the fixed sealing device 3 to make the end face of the fixed sealing device 3 flush with the end face of the second radial sealing ring 1, and then tightly attach the first sleeve 4, the first radial sealing ring 2, the second radial sealing ring 1 and the end face sealing ring 5 to the pipeline through the fixed sealing device 3 to play a multiple sealing role, the pipeline connecting piece is provided with multiple sealing structures, namely an end face sealing ring 5, a first radial sealing ring 2, a second radial sealing ring 1 and a fixed sealing device 3, so that multiple sealing performance on the pipeline is realized, the sealing function on the pipeline is enhanced, the sealing performance of the pipeline connecting piece is enhanced, and the condition that the medium is leaked after the pipeline connecting piece is easily corroded by the medium in the long-term use process is avoided; in order to enhance the sealing performance between the pipeline and the pipeline connecting piece, the pipeline needs to be coated with thread sealing and locking glue before being connected with the pipeline connecting piece.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
Example 2:
referring to fig. 1-6, a pipe connection spare with multiple leakproofness, including two first radial seal ring 2, the contact is equipped with same sleeve pipe 4 on two first radial seal ring 2, the contact is equipped with detachable fixed sealing device 3 on the sleeve pipe 4, sleeve pipe 4 includes solid fixed ring 41, gu fixed ring 41 both sides are fixed respectively and are equipped with fixed pipe 42, gu fixed ring 41's internal diameter is less than fixed pipe 42's internal diameter, gu fixed ring 41 contacts respectively near the both sides of fixed pipe 42 pipe wall and is equipped with end face seal ring 5, gu be equipped with first radial seal ring 2 on fixed pipe 42's the pipe wall, be equipped with the screw thread on fixed pipe 42's the inner wall, the both ends of sleeve pipe 4 contact respectively and are equipped with second radial seal.
Two sides of the fixing ring 41 are respectively fixedly provided with a fixing pipe 42, the inner walls of the two fixing pipes 42 are provided with threads with opposite rotation directions, each fixing pipe 42 comprises a first through pipe 421 and a second through pipe 422, the threads are arranged on the inner walls of the second through pipes 422, one ends of the second through pipes 422 extending outwards are provided with the first through pipes 421, and the threads in the two fixing pipes 42 are opposite, so that when a user connects two pipelines, the user respectively selects the pipeline with the same rotation direction as the threads on the pipe walls of the two fixing pipes 42 to connect, and the threads are arranged on the inner walls of the second through pipes 422, and the two fixing pipes 42 are provided, so that the number of the second through pipes 422 is two, and the threads of the two second through pipes 422 are opposite, so that the pipelines are; when connecting the pipeline and the second through pipe 422, a user can plug the pipeline into the fixed pipe 42 and connect one to two screw threads with the screw threads on the inner wall of the fixed pipe 42, then plug another pipeline into another fixed pipe 42 and connect one to two screw threads with the screw threads on the inner wall of the fixed pipe 42, and then the user moves the fixed ring 41 with the help of a wrench to enable the two fixed pipes 42 to be simultaneously in screw connection with different pipelines; the threads on the two pipes are respectively the same as the threads on the through pipe two 422.
Preferably, the inner diameter of the fixing ring 41 is smaller than the inner diameter of the fixing tube 42, and during the process of connecting the pipeline and the pipeline, the inner diameter of the fixing ring 41 is smaller than the inner diameter of the fixing tube 42, so that both sides of the fixing tube 42 close to the wall of the fixing tube 42 can be in contact with the end face seal rings 5, respectively, and the fixing ring 41 and the end face seal rings 5 serve as a first step of preventing the pipeline connecting piece from leaking the medium.
As a preferable mode, the inner wall of the first through pipe 421 is provided with a first radial seal ring 2, a user enables the first sleeve 4, the first radial seal ring 2, the second radial seal ring 1 and the end face seal ring 5 to be tightly attached to the pipeline through the fixing seal device 3, so as to play a multiple sealing role, and the first seal ring can enhance the sealing performance between the first sleeve 4 and the fixing device, so that the sealing performance of the pipeline connecting piece is enhanced.
As a preferable mode, the outer diameter of the first through pipe 421 is larger than the outer diameter of the second through pipe 422, the inner diameter of the first through pipe 421 is the same as the outer diameter of the first radial seal ring 2, when the pipeline is in threaded connection with the second through pipe 422, the inner diameter of the first through pipe 421 is the same as the inner diameter of the first radial seal ring 2, so that the pipeline can smoothly penetrate into the sleeve and is in threaded connection with the second through pipe 422, when a user fixes the first sleeve 4 and the second sleeve 31 through the fixing and sealing device 3, the outer diameter of the first through pipe 421 is larger than the outer diameter of the second through pipe 422, a compression point can be arranged between the first sleeve 4 and the second sleeve 31, and the second sleeve 31 is.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
Example 3:
referring to fig. 1-6, a pipe connection spare with multiple leakproofness, including two first radial seal ring 2, the contact is equipped with same sleeve pipe 4 on two first radial seal ring 2, the contact is equipped with detachable fixed sealing device 3 on the sleeve pipe 4, sleeve pipe 4 includes solid fixed ring 41, gu fixed ring 41 both sides are fixed respectively and are equipped with fixed pipe 42, gu fixed ring 41's internal diameter is less than fixed pipe 42's internal diameter, gu fixed ring 41 contacts respectively near the both sides of fixed pipe 42 pipe wall and is equipped with end face seal ring 5, gu be equipped with first radial seal ring 2 on fixed pipe 42's the pipe wall, be equipped with the screw thread on fixed pipe 42's the inner wall, the both ends of sleeve pipe 4 contact respectively and are equipped with second radial seal.
The fixed sealing device 3 comprises a second sleeve 31, a second radial sealing ring 1 is arranged on the inner wall of the second sleeve 31 in a contact mode, a hoop 32 is arranged on the outer surface of the second radial sealing ring 1 in a contact mode, a user sleeves the second sleeve 31 on the first sleeve 4 and aligns to the two ends of the first sleeve 4, the first sleeve 4 is made to be tightly attached to the second sleeve through the hoop 32, the first radial sealing ring 2 is made to be tightly attached to the second radial sealing ring 1, the end face sealing ring 5 is made to be tightly attached to the pipeline, and a multi-sealing effect is achieved, wherein the second radial sealing ring 1 can strengthen the pipeline, the first sleeve 4 and the tightness between the second sleeve 31, and therefore the tightness between pipeline connecting pieces is strengthened.
As a preferable mode, the inner diameter of the second radial seal ring 1 is consistent with the inner diameter of the first radial seal ring 2, the outer diameter of the second radial seal ring 1 is consistent with the inner diameter of the second sleeve 31, and in the process of connecting a pipeline and a pipeline connecting piece, the inner diameter of the second radial seal ring 1 is consistent with the inner diameter of the first radial seal ring 2, so that the pipeline and the second through pipe 422 are in threaded connection conveniently for a user, the outer diameter of the second radial seal ring 1 is consistent with the inner diameter of the second sleeve 31, the second sleeve 31 can be sleeved on the first sleeve 4 and the second radial seal ring 1, and two ends of the second sleeve 31 are flush with two ends of the second radial seal ring 1, and the sealing performance among the second sleeve 31, the pipeline and the first sleeve 4 can be enhanced.
As a preferable mode, the hoop 32 includes two arc blocks 321, two ends of the arc blocks 321 are provided with fixing blocks 322, the fixing blocks 322 are provided with a plurality of bolt holes 323 uniformly distributed on the fixing blocks 322, bolts 324 are arranged in the bolt holes 323, after the sleeve pipe two 31 is sleeved on the sleeve pipe one 4, a user can clamp the two arc blocks 321 on the sleeve pipe one 4 respectively, and then fix the fixing blocks 322 on the two arc blocks 321 by using the bolts 324, so that the sleeve pipe one 4, the first radial sealing ring 2, the second radial sealing ring 1, the end face sealing ring 5 are tightly attached to the pipeline, thereby enhancing the sealing performance of the pipeline connecting piece.
In this embodiment, the band 32 facilitates the user in installing and removing the pipe connection. If the user wants a non-removable pipe connection, the user does not need to use the clasping hoop 32, and only needs to press and form the first radial seal ring 2 and the second radial seal ring 1 by means of the existing pressing and connecting tool, and the specific implementation method can be determined according to the will of the user.
The other parts of this embodiment are the same as embodiment 1, and are not described herein again.
The above is an embodiment of the present invention. The embodiments and specific parameters in the embodiments are only used for clearly illustrating the verification process of the present invention, and are not used for limiting the scope of the present invention, which is defined by the claims, and all the equivalent structural changes made by using the contents of the description and the drawings of the present invention should be included in the scope of the present invention.
Claims (6)
1. A pipe connection with multiple tightness, comprising two first radial sealing rings (2), characterized in that: the two first radial sealing rings (2) are provided with a same sleeve I (4) in a contact mode, the sleeve I (4) is provided with a detachable fixed sealing device (3) in a contact mode, the sleeve I (4) comprises a fixed ring (41), two sides of the fixed ring (41) are respectively and fixedly provided with a fixed pipe (42), the inner diameter of the fixed ring (41) is smaller than that of the fixed pipe (42), two sides, close to the pipe wall of the fixed pipe (42), of the fixed ring (41) are respectively provided with an end face sealing ring (5) in a contact mode, the pipe wall of the fixed pipe (42) is provided with the first radial sealing rings (2), the inner wall of the fixed pipe (42) is provided with threads, and two ends of the sleeve I (4) are respectively provided with second radial sealing; two sides of the fixing ring (41) are respectively fixedly provided with a fixing pipe (42), the inner walls of the two fixing pipes (42) are provided with threads with opposite rotation directions, each fixing pipe (42) comprises a first through pipe (421) and a second through pipe (422), the threads are arranged on the inner wall of the second through pipe (422), and one end, extending outwards, of the second through pipe (422) is provided with the first through pipe (421); and a first radial sealing ring (2) is arranged on the inner wall of the through pipe I (421).
2. A multi-seal pipe coupling as claimed in claim 1, wherein: the inner diameter of the fixing ring (41) is smaller than that of the fixing tube (42).
3. A multi-seal pipe coupling as claimed in claim 1, wherein: the outer diameter of the first through pipe (421) is larger than that of the second through pipe (422), and the inner diameter of the first through pipe (421) is consistent with that of the first radial sealing ring (2).
4. A multi-seal pipe coupling as claimed in claim 1, wherein: the fixed sealing device (3) comprises a second sleeve (31), the inner wall of the second sleeve (31) is in contact with a second radial sealing ring (1), and the outer surface of the second radial sealing ring (1) is in contact with a clasping hoop (32).
5. The pipe coupling of claim 4, wherein: the inner diameter of the second radial sealing ring (1) is consistent with the inner diameter of the first radial sealing ring (2), and the outer diameter of the second radial sealing ring (1) is consistent with the inner diameter of the second sleeve (31).
6. The pipe coupling of claim 4, wherein: embrace and tightly hoop (32) including two arc pieces (321), the both ends of arc piece (321) are equipped with fixed block (322), be equipped with a plurality ofly on fixed block (322) and bolt hole (323) of equipartition on its own, be equipped with bolt (324) in bolt hole (323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915684.0A CN110594500B (en) | 2019-09-25 | 2019-09-25 | Pipeline connecting piece with multiple leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910915684.0A CN110594500B (en) | 2019-09-25 | 2019-09-25 | Pipeline connecting piece with multiple leakproofness |
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| Publication Number | Publication Date |
|---|---|
| CN110594500A CN110594500A (en) | 2019-12-20 |
| CN110594500B true CN110594500B (en) | 2021-06-25 |
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|---|---|---|---|
| CN201910915684.0A Active CN110594500B (en) | 2019-09-25 | 2019-09-25 | Pipeline connecting piece with multiple leakproofness |
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| CN2447610Y (en) * | 2000-09-08 | 2001-09-12 | 周国平 | Double-seal pipe joint |
| CN2469293Y (en) * | 2001-02-27 | 2002-01-02 | 陈仁慈 | Multiplayer sealed sleeve type pipe fitting used for connecting metal pipe |
| CN102062273A (en) * | 2010-12-30 | 2011-05-18 | 曲阜市东宏实业有限公司 | Connection method of steel wire and plastic composite tubes |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7086669B2 (en) * | 2002-11-07 | 2006-08-08 | Grant Prideco, L.P. | Method and apparatus for sealing radially expanded joints |
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2019
- 2019-09-25 CN CN201910915684.0A patent/CN110594500B/en active Active
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|---|---|---|---|---|
| SU436204A1 (en) * | 1970-06-03 | 1974-07-15 | Л. П. Стерликов , В. И. Васильев | FLEXIBLE HOSE TERMINAL CONNECTION |
| CN1242828A (en) * | 1996-11-20 | 2000-01-26 | 危邦诺有限公司 | Pipe connector |
| CN2447610Y (en) * | 2000-09-08 | 2001-09-12 | 周国平 | Double-seal pipe joint |
| CN2469293Y (en) * | 2001-02-27 | 2002-01-02 | 陈仁慈 | Multiplayer sealed sleeve type pipe fitting used for connecting metal pipe |
| CN102062273A (en) * | 2010-12-30 | 2011-05-18 | 曲阜市东宏实业有限公司 | Connection method of steel wire and plastic composite tubes |
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| CN110594500A (en) | 2019-12-20 |
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Denomination of invention: A pipeline connector with multiple sealing properties Granted publication date: 20210625 Pledgee: Bank of China Limited Meishan Branch Pledgor: SICHUAN MINHE PIPELINE CONSTRUCTION ENGINEERING CO.,LTD.|Sichuan Minhe Pipe Industry Co.,Ltd. Registration number: Y2024980006802 |
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