CN116817051A - Outer-wrapping type multi-stage reducing two-way pipe joint assembly - Google Patents
Outer-wrapping type multi-stage reducing two-way pipe joint assembly Download PDFInfo
- Publication number
- CN116817051A CN116817051A CN202310881376.7A CN202310881376A CN116817051A CN 116817051 A CN116817051 A CN 116817051A CN 202310881376 A CN202310881376 A CN 202310881376A CN 116817051 A CN116817051 A CN 116817051A
- Authority
- CN
- China
- Prior art keywords
- threaded sleeve
- pipe
- joint
- sleeve
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 claims description 9
- 230000003247 decreasing effect Effects 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000012946 outsourcing Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100134058 Caenorhabditis elegans nth-1 gene Proteins 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- 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
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/14—Joints for pipes of different diameters or cross-section
-
- 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
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides an outsourcing formula multistage reducing two-way pipe joint assembly, belongs to pipeline joint technical field, including two-way pipe main part, two-way pipe main part includes boundary pipe, left joint pipe and right joint pipe, all be equipped with the external screw thread on the outer ring wall of left joint pipe and right joint pipe, be equipped with the left thread sleeve that a plurality of internal diameter and external diameter decrease gradually on the left joint pipe, be equipped with the right thread sleeve that a plurality of internal diameter and external diameter decrease gradually on the right joint pipe, all be equipped with internal thread and external screw thread on left thread sleeve and the right thread sleeve simultaneously; the threaded sleeve has the advantages that the threaded sleeve can be replaced and adopted at any time according to different diameters of pipelines, and the threaded sleeve is suitable for connecting various pipelines with different diameters; when the pipe is used, the threaded sleeve with the smallest aperture is fixed and sintered on the outer wall of the pipe, and other threaded sleeves are screwed into the left joint pipe or the right joint pipe, so that the pipe can be quickly disassembled and reinstalled at any time, and the damage to the pipe and the joint can be avoided.
Description
Technical Field
The invention relates to the technical field of pipeline joints, in particular to an outsourcing type multistage variable-diameter two-way pipe joint assembly.
Background
The two-way pipe joint is an important part of a connecting pipeline, is an indispensable connecting component for remote pipeline transportation, and is mainly used for connecting pipelines on liquid, gas and hydraulic components, and the length of the pipeline is prolonged.
Two siphunculus joints among the prior art can't realize the reducing function mostly, for realizing the reducing function, the prior art adopts modes such as ring, hot melt, bonding to fix pipeline and pipeline joint together mostly, these locking modes are smooth surface because pipeline joint and pipeline junction lead to fixed insecure, lead to the drop of pipeline easily, perhaps pipeline joint and pipeline junction are uneven to lead to unable realization after being connected totally sealed, and can't carry out quick dismantlement and reload after the connection, can cause serious damage to pipeline and joint after dismantling, can't carry out the dress again and connect.
Disclosure of Invention
The invention aims at solving the technical problem of providing a pipeline connecting device which not only can adapt to the connection of pipelines with different calibers, but also can be quickly disassembled and reinstalled after the connection so as to facilitate the subsequent maintenance or pipeline cleaning.
In order to solve the technical problems, the technical scheme adopted by the invention is that the outer-wrapping type multi-stage variable-diameter two-way pipe joint assembly comprises a two-way pipe main body, wherein the two-way pipe main body comprises a demarcation pipe, a left joint pipe and a right joint pipe, the left joint pipe and the right joint pipe are fixedly connected to form left and right ends of the demarcation pipe to form a transparent two-way pipe main body, and the outer diameter of the demarcation pipe is larger than that of the left joint pipe and the right joint pipe; the outer diameter of the demarcation tube is generally 1.2-1.5 times of the outer diameter of the left joint tube or the right joint tube, and the demarcation tube is characterized in that the inner annular walls of the left joint tube and the right joint tube are respectively provided with internal threads, the left joint tube is provided with a plurality of left threaded sleeves with the inner diameters and the outer diameters decreasing in sequence, and the left threaded sleeves are respectively called a first left threaded sleeve and a second left threaded sleeve … … n-th left threaded sleeve from the inner diameter to the outer diameter; the right joint pipe is provided with a plurality of right threaded sleeves with inner diameters and outer diameters decreasing in sequence, and the right threaded sleeves are respectively called a first right threaded sleeve and a second right threaded sleeve … … nth right threaded sleeve from the large inner diameter to the small inner diameter; the left threaded sleeve and the right threaded sleeve are both provided with an internal thread and an external thread, wherein the external thread of the first left threaded sleeve is matched with the internal thread of the left joint pipe and can be mutually screwed, the external thread of the second left threaded sleeve is matched with the internal thread of the first left threaded sleeve, and the external thread of the … … n-th left threaded sleeve is matched with the internal thread of the n-1-th left threaded sleeve; the external thread of the first right thread sleeve is matched with the internal thread on the right joint pipe and can be screwed with each other, the external thread of the second right thread sleeve is matched with the internal thread of the first right thread sleeve, the external thread of the … … n right thread sleeve is matched with the internal thread of the n-1 right thread sleeve, the matched external thread and internal thread can be screwed with each other, in practical application, different numbers of thread sleeves can be externally screwed on the positions of the pipelines according to different calibers of two pipelines to be connected, different numbers of thread sleeves are screwed into the left joint pipe or the right joint pipe at two ends of the two-way pipe body to form the connection of the multi-stage reducing two-way pipe joint, and the thread sleeve on the multi-stage reducing two-way pipe joint is fixedly connected to the outer wall of the position of a pipeline port to be connected, which is called as an externally-wrapped multi-stage reducing two-way pipe joint.
The inner diameters of the left joint pipe and the right joint pipe can be equal or unequal; the outer diameters of the left joint pipe and the right joint pipe can be equal or unequal.
The thickness of the left thread sleeve wall and the right thread sleeve wall can be equal or unequal.
The thicknesses of the cylinder walls of the first left thread sleeve and the second left thread sleeve … … n-th left thread sleeve in the left thread sleeve can be equal or unequal.
The thicknesses of the cylinder walls of the first right thread sleeve and the second right thread sleeve … … n-th right thread sleeve in the right thread sleeve can be equal or unequal.
One or more rubber gaskets are respectively arranged on the end surfaces of the two ends of the demarcation tube and are arranged in the left joint tube and the right joint tube; the outer diameter of the rubber gasket is equal to the inner diameter of the left joint pipe or the right joint pipe, and the inner diameter of the rubber gasket is equal to the inner diameter of the demarcation pipe, and the rubber gasket is used for screwing the left threaded sleeve or the right threaded sleeve and abutting against the rubber gasket to prevent water leakage or air leakage.
The method for installing the outsourcing type multistage variable-diameter two-way pipe joint comprises the following steps of:
the method comprises the steps of preparing a multi-stage reducing two-way pipe joint assembly at two pipeline positions to be connected according to construction requirements.
Judging the number of the left threaded sleeve which is the smallest in need according to the outer diameter of the first pipeline, setting the left threaded sleeve as the a left threaded sleeve, taking out the a left threaded sleeve from the multi-stage reducing two-way pipe joint assembly, and sintering the a left threaded sleeve on the outer wall of the joint position of the first pipeline through hot melting; because the threaded sleeve is provided with the internal threads, the hot melt adhesive is stable and firm, and can not fall off in use.
Thirdly, screwing each left threaded sleeve with the inner diameter larger than that of the a left threaded sleeve into the left joint pipe from large to small in sequence, tightly propping against the rubber gasket in the left joint pipe, and screwing the a left threaded sleeve into the innermost left threaded sleeve, namely the a-1 left threaded sleeve, tightly propping against the rubber gasket in the left joint pipe. When a=1, the 1 st left threaded sleeve fused on the first pipeline is directly screwed into and tightly screwed in the left joint pipe; when a is more than 1, the thick yarn pad is used for supporting the internal threads on each left thread sleeve, pliers are used for supporting the thick yarn pad, and each left thread sleeve is screwed in and screwed in the left joint pipe in sequence from the inside; the thick yarn pad is made of yarns, and the thickness of the clamped gasket is 1.1-1.5 times of the depth of the internal threads, so that the thick yarn pad is called; when the pliers tightly support the inner wall of the threaded sleeve and screw in, friction force is increased to facilitate screw in, the internal thread is protected from being injured, and the thread depth refers to the distance from the thread crest to the thread root; the outer diameter specification can be changed by screwing a plurality of left threaded sleeves, so that the multi-stage reducing is called as multi-stage reducing.
And (3) judging the right threaded sleeve which is the smallest in need according to the outer diameter of the second pipeline, setting the right threaded sleeve to be the b right threaded sleeve, taking out the b right threaded sleeve from the multi-stage reducing two-way pipe joint assembly, and sintering the b right threaded sleeve on the outer wall of the joint position of the second pipeline through hot melting.
And fifthly, screwing each right threaded sleeve with the inner diameter larger than that of the b right threaded sleeve into and tightening the right threaded sleeve in the right joint pipe from large to small in sequence and abutting against the rubber gasket in the right joint pipe, and screwing the b right threaded sleeve into the innermost right threaded sleeve, namely the b-1 right threaded sleeve and abutting against the rubber gasket in the right joint pipe. When b=1, screwing the 1 st right threaded sleeve fused on the second pipeline directly into the right joint pipe and tightening the right threaded sleeve into the right joint pipe; when b is more than 1, the thick yarn pad is used for padding the internal threads on each right thread sleeve, and then the pliers are used for propping up the thick yarn pad, so that each right thread sleeve is screwed in and screwed in the right joint pipe in sequence. Thus, the outer-wrapping type multi-stage variable-diameter two-way pipe joint is installed, and two pipelines with different calibers are connected.
According to the method for disassembling and reinstalling the outer-wrapping type multistage variable-diameter two-way pipe joint assembly, when two connected pipelines are required to be disassembled, only two pipe tongs are needed to be taken, one pipe tongs clamp a demarcation pipe, and the other pipe tongs clamp the pipeline, so that the demarcation pipe and the pipeline can be reversely unscrewed and unscrewed, and the disassembly of the two-way pipe joint is completed; the left threaded sleeve a is still fixed on the outer wall of the first pipeline after unscrewing, the right threaded sleeve b is still fixed on the outer wall of the second pipeline, and the unscrewing position is any left threaded sleeve with the inner diameter larger than the left threaded sleeve a or any right threaded sleeve with the inner diameter larger than the right threaded sleeve b; when the maintenance is finished and the two-way pipe joint is reinstalled, the two-way pipe joint can be inserted and screwed on the pipeline again, wherein an a-1 left threaded sleeve inserted and screwed on a left joint pipe on the two-way pipe main body is screwed on an a left threaded sleeve fixed on the outer wall of the first pipeline, and a b-1 right threaded sleeve inserted and screwed on a right joint pipe on the two-way pipe main body is screwed on a b right threaded sleeve fixed on the outer wall of the second pipeline, so that the disassembly and reinstallation of the outer-wrapping type multi-stage variable-diameter two-way pipe joint are smoothly completed.
Compared with the prior art, the invention has the following beneficial effects:
the left joint pipe and the right joint pipe at two ends of a two-way pipe main body are provided with a plurality of threaded sleeves, and the threaded sleeves can be replaced at any time according to different diameters of pipes, so that the two-way pipe is suitable for connecting the pipes with different diameters.
The multistage threaded sleeve is adopted, the threaded sleeve with the smallest aperture is only required to be fixed and sintered on the outer wall of a pipeline when in use, then other threaded sleeves are screwed on the external threads of the threaded sleeve with the smallest aperture and the internal threads of the left joint pipe or the right joint pipe on the two-way pipe main body, and therefore the outer-wrapping multistage variable-diameter two-way pipe joint assembly can be quickly detached and reinstalled at any time when in containment, and damage to the pipeline and joints is avoided.
According to the novel clamp, the thick yarn pad is adopted when the threaded sleeve is screwed in or out, so that friction force can be increased to facilitate screwing when the clamp is tightened or clamped to tightly screw the threaded sleeve, and the internal thread can be protected from being damaged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an outer-wrapping type multistage variable-diameter two-way pipe joint assembly.
Fig. 2 is an exploded view of the outer-packing type multi-stage reducing two-way pipe joint assembly of the present invention.
Fig. 3 is an exploded view of the two-way pipe body of the outer-wrapped multi-stage reducing two-way pipe joint assembly of the present invention.
In the figure: 1. two-way pipe main body, 2, demarcation tube, 3, left joint tube, 4, right joint tube, 5, internal thread, 6, left thread sleeve, 61, first left thread sleeve, 62, second left thread sleeve … … n, nth left thread sleeve, 7, right thread sleeve, 71, first right thread sleeve, 72, second right thread sleeve … … n, nth right thread sleeve, 8, external thread, 9, rubber gasket.
Detailed Description
The invention is further illustrated by the following examples which are intended to illustrate the invention but not to limit the scope of the invention.
Example 1.
As shown in the figure, an outer-wrapping type multi-stage reducing two-way pipe joint assembly is manufactured, and the outer-wrapping type multi-stage reducing two-way pipe joint assembly comprises a two-way pipe main body 1, wherein the two-way pipe main body 1 comprises a demarcation pipe 2, a left joint pipe 3 and a right joint pipe 4, the left joint pipe 3 and the right joint pipe 4 are fixedly formed at the left end and the right end of the demarcation pipe 2 to form a transparent two-way pipe main body 1, wherein the inner diameter of the demarcation pipe 2 is smaller than the inner diameters of the left joint pipe 3 and the right joint pipe 4, and the inner diameter of the demarcation pipe 2 is generally made to be equal to 0.5-0.7 times of the inner diameter of the left joint pipe 3 or the right joint pipe 4; the outer diameter of the demarcation tube 2 is larger than the outer diameters of the left joint tube 3 and the right joint tube 4; the outer diameter of the demarcation tube 2 is generally 1.2-1.5 times that of the left joint tube 3 or the right joint tube 4, and the outer wall of the demarcation tube is also made into a regular hexagon shape; in the embodiment, internal threads 5 are respectively arranged on the inner annular walls of the left joint pipe 3 and the right joint pipe 4, a plurality of left threaded sleeves 6 with inner diameters and outer diameters decreasing in sequence are arranged on the left joint pipe 3, and the left threaded sleeves 6 are respectively called a first left threaded sleeve 61 and a second left threaded sleeve 62 … … n-th left threaded sleeve 6n from the large inner diameter to the small inner diameter; the right joint pipe 4 is provided with a plurality of right threaded sleeves 7 with inner diameters and outer diameters decreasing in sequence, and the right threaded sleeves 7 are respectively called a first right threaded sleeve 71 and a second right threaded sleeve 72 and … … n-th right threaded sleeve 7n from the large inner diameter to the small inner diameter; the left threaded sleeve 6 and the right threaded sleeve 7 are both provided with an external thread 8 and an internal thread 5, wherein the external thread 8 of the first left threaded sleeve 61 is matched with the internal thread 5 on the left joint pipe 3 and can be mutually screwed, the external thread 8 of the second left threaded sleeve 62 is matched with the internal thread 5 of the first left threaded sleeve 61, and the external thread 8 of the … … n-th left threaded sleeve 6n is matched with the internal thread of the n-1-th left threaded sleeve; the external thread 8 of the first right threaded sleeve 71 is matched with the internal thread 5 on the right joint pipe 4 and can be screwed with each other, the external thread 8 of the second right threaded sleeve 72 is matched with the internal thread 5 of the first right threaded sleeve 72, the external thread 8 of the nth right threaded sleeve 7n of … … is matched with the internal thread of the nth-1 right threaded sleeve, and thus the outer-wrapping type multi-stage variable-diameter two-way pipe joint assembly is manufactured; the matched external thread 8 and the internal thread 5 can be screwed with each other, in practical application, threaded sleeves with different numbers and corresponding specifications can be screwed according to different diameters of two pipelines to be connected, the threaded sleeves with different numbers are screwed into and screwed into the left joint pipe 3 and the right joint pipe 4 at two ends of the two-way pipe body 1 to form a multi-stage reducing two-way pipe joint, and the threaded sleeve fixing bag on the multi-stage reducing two-way pipe joint is inserted and sintered on the outer wall of the pipeline port to be connected, which is called as an outsourcing multi-stage reducing two-way pipe joint.
The inner diameters of the left joint pipe 3 and the right joint pipe 4 can be equal or unequal; the outer diameters of the left joint pipe 3 and the right joint pipe 4 may be equal or unequal.
The thickness of the wall of the left threaded sleeve 6 and the thickness of the wall of the right threaded sleeve 7 can be equal or unequal.
The thicknesses of the cylinder walls of the first left threaded sleeve 61 and the second left threaded sleeve 62, … … and the nth left threaded sleeve 6n in the left threaded sleeve 6 may be equal or unequal.
The thicknesses of the walls of the first right threaded sleeve 71 and the second right threaded sleeve 72, … …, and the nth right threaded sleeve 7n in the right threaded sleeve 7 may be equal or unequal.
One or more rubber gaskets 9 are respectively arranged on the end surfaces of the two ends of the demarcation tube 2 and are arranged in the left joint tube 3 and the right joint tube 4; the outer diameter of the rubber gasket 9 is equal to the inner diameter of the left joint pipe 3 or the right joint pipe 4, and the inner diameter of the rubber gasket 9 is equal to the inner diameter of the demarcation pipe 2, so that the left thread sleeve 6 or the right thread sleeve 7 is screwed and abutted against the rubber gasket 9 to prevent water leakage or air leakage.
Example 2.
The method for installing the outsourcing type multistage variable-diameter two-way pipe joint comprises the following steps of:
the method comprises the steps of preparing a multi-stage reducing two-way pipe joint assembly at two pipeline positions to be connected according to construction requirements.
Judging the number of the left threaded sleeve 6 which is the smallest in need according to the outer diameter of the first pipeline, setting the left threaded sleeve as an a left threaded sleeve, taking out the a left threaded sleeve from the multi-stage reducing two-way pipe joint assembly, and sintering the a left threaded sleeve on the outer wall of the joint position of the first pipeline through hot melting; wherein a is more than or equal to 1 and n is more than or equal to n.
Thirdly, all the left threaded sleeves 6 with the inner diameter larger than that of the a left threaded sleeve are sequentially screwed and screwed on the left joint pipe 3 from large to small and abutted against the rubber gasket 9 at the left end of the demarcation pipe 2, and then the a left threaded sleeve is screwed into the innermost left threaded sleeve 6, namely the a-1 left threaded sleeve and abutted against the rubber gasket 9 in the left joint pipe 3. When a=1, directly screwing the 1 st left threaded sleeve 61 fused on the first pipe into and tightening the left joint pipe 3; when a is more than 1, wrapping the internal threads 5 on each left thread sleeve 6 by using a thick yarn pad, tightly supporting the thick yarn pad by using pliers, and screwing each left thread sleeve 6 into the left joint pipe 3 in sequence from the inside; the thick yarn pad is made of yarns, and the thickness of the pad after being tightly supported or clamped is 1.1-1.5 times of the depth of the internal thread 5, so that the thick yarn pad is called as a thick yarn pad; the thickness of the material was 1.2 times as thick as that of the material in this example; when the pliers tightly prop the inner wall of the threaded sleeve and screw in, friction force is increased to facilitate screwing in, the internal thread is protected from damaging the internal thread 5, and the thread depth refers to the distance from the cylindrical curved surface where the thread crest is positioned to the cylindrical curved surface where the thread root is positioned; the outer diameter specification can be changed by screwing a plurality of left threaded sleeves 6, and thus the multi-stage diameter variation is called.
Fourth, according to the outer diameter of the second pipeline, judging the number of the right threaded sleeve 7 which is the smallest, setting the right threaded sleeve as the b right threaded sleeve, taking out the b right threaded sleeve from the multi-stage reducing two-way pipe joint assembly, and sintering the b right threaded sleeve on the outer wall of the joint position of the second pipeline through hot melting; wherein b is more than or equal to 1 and less than or equal to n, a
And b may be equal or unequal.
And fifthly, screwing and tightening each right threaded sleeve 7 with the inner diameter larger than that of the b right threaded sleeve on the right joint pipe 4 in sequence from large to small and abutting against the rubber gasket 9 in the right joint pipe 4, and screwing the b right threaded sleeve on the innermost right threaded sleeve, namely the b-1 right threaded sleeve and abutting against the rubber gasket 9 in the right joint pipe 4. When b=1, directly screwing the 1 st right threaded sleeve 71 fused on the second pipe into the right joint pipe 4; when b is more than 1, the inner threads 5 on the inner wall of each right threaded sleeve 7 are padded by thick yarn pads, the thick yarn pads are braced by pliers, and each right threaded sleeve 7 is screwed in sequence and screwed on the inner wall of the right joint pipe 4. Thus, the outer-wrapping type multi-stage variable-diameter two-way pipe joint is installed, and two pipelines with different calibers are connected.
Example 3.
According to the method for disassembling and reinstalling the outer-wrapping type multistage variable-diameter two-way pipe joint assembly, when two connected pipelines are required to be disassembled, only two pipe tongs are needed to be taken, one pipe tongs clamp the demarcation pipe 2, the other pipe tongs clamp the pipeline, the demarcation pipe 2 and the pipeline can be reversely rotated, and the disassembly of the two-way pipe joint is completed; after the left threaded sleeve a is unscrewed, the left threaded sleeve a is still sintered and fixed on the first pipeline, the right threaded sleeve b is still sintered and fixed on the second pipeline, and the unscrewed position is any left threaded sleeve 6 with the inner diameter larger than the left threaded sleeve a or any right threaded sleeve 7 with the inner diameter larger than the right threaded sleeve b; when the maintenance is finished and the two-way pipe joint is reinstalled, the two-way pipe joint can be screwed into the pipeline again and screwed up, wherein an a-1 left threaded sleeve screwed on a left joint pipe 3 on the two-way pipe main body is inserted and screwed up on an a left threaded sleeve fixed on the outer wall of a first pipeline, and a b-1 right threaded sleeve screwed on a right joint pipe 4 on the two-way pipe main body is screwed up and screwed up on a b right threaded sleeve fixed on the outer wall of a second pipeline, so that the disassembly and reinstallation of the outer-wrapping multi-stage variable-diameter two-way pipe joint are smoothly completed.
It can be seen that the outer-wrapping type multi-stage reducing two-way pipe joint assembly not only can adapt to the connection of various pipelines with different calibers,
and the pipe can be quickly disassembled and reinstalled after connection, and damage to the pipe and the joint is avoided.
Claims (8)
1. The outer-wrapping type multi-stage reducing two-way pipe joint assembly comprises a two-way pipe main body, wherein the two-way pipe main body comprises a demarcation pipe, a left joint pipe and a right joint pipe, the left joint pipe and the right joint pipe are fixedly connected to form left and right ends of the demarcation pipe, and the outer-wrapping type multi-stage reducing two-way pipe joint assembly is characterized in that internal threads are formed on inner annular walls of the left joint pipe and the right joint pipe, a plurality of left threaded sleeves with inner diameters and outer diameters decreasing in sequence are arranged on the left joint pipe, and the left threaded sleeves are respectively called a first left threaded sleeve and a second left threaded sleeve … … n-th left threaded sleeve from large to small according to the inner diameters; the right joint pipe is provided with a plurality of right threaded sleeves with inner diameters and outer diameters decreasing in sequence, and the right threaded sleeves are respectively called a first right threaded sleeve and a second right threaded sleeve … … nth right threaded sleeve from the large inner diameter to the small inner diameter; the left threaded sleeve and the right threaded sleeve are both provided with an internal thread and an external thread, wherein the external thread of the first left threaded sleeve is matched with the internal thread of the left joint pipe, the external thread of the second left threaded sleeve is matched with the internal thread of the first left threaded sleeve, and the external thread of the nth left threaded sleeve of … … is matched with the internal thread of the (n-1) th left threaded sleeve; the external thread of the first right threaded sleeve is matched with the internal thread on the right joint pipe, the external thread of the second right threaded sleeve is matched with the internal thread of the first right threaded sleeve, and the external thread of the … … n-th right threaded sleeve is matched with the internal thread of the n-1-th right threaded sleeve.
2. The exterior-packed multi-stage reducing two-way pipe joint assembly according to claim 1, wherein the inner diameters of the left joint pipe and the right joint pipe are equal or unequal.
3. The outer packing type multi-stage reducing two-way pipe joint assembly according to claim 2, wherein the thickness of the wall of the left threaded sleeve is equal to or unequal to the thickness of the wall of the right threaded sleeve.
4. The outer-wrapped multistage variable diameter two-way pipe joint assembly according to claim 3, wherein the thicknesses of the cylinder walls of the first left thread sleeve and the second left thread sleeve … … n-th left thread sleeve in the left thread sleeve are equal or unequal.
5. The outer packing type multi-stage reducing two-way pipe joint assembly according to claim 4, wherein the thicknesses of the cylinder walls of the first right thread sleeve and the second right thread sleeve … … n-th right thread sleeve in the right thread sleeves are equal or unequal.
6. The outer-wrapping type multistage variable-diameter two-way pipe joint assembly according to claim 5, wherein one or more rubber gaskets are respectively arranged on the end surfaces of two ends of the demarcation pipe and are arranged in the left joint pipe and the right joint pipe.
7. The exterior-packed multi-stage reducing two-way pipe joint assembly according to any one of claims 1 to 6, characterized in that the installation method thereof comprises the steps of:
the method comprises the steps that a multi-stage variable-diameter two-way pipe joint assembly is prepared at two pipeline positions to be connected according to construction requirements;
judging the number of the left threaded sleeve which is the smallest in need according to the outer diameter of the first pipeline, setting the left threaded sleeve as the a left threaded sleeve, taking out the a left threaded sleeve from the multi-stage reducing two-way pipe joint assembly, and sintering the a left threaded sleeve on the outer wall of the joint position of the first pipeline through hot melting;
thirdly, screwing each left threaded sleeve with the inner diameter larger than that of the a left threaded sleeve into the left joint pipe from large to small in sequence, tightly propping against a rubber gasket in the left joint pipe, and screwing the a left threaded sleeve into the innermost left threaded sleeve, namely the a-1 left threaded sleeve, tightly propping against the rubber gasket in the left joint pipe; when a=1, the 1 st left threaded sleeve fused on the first pipeline is directly screwed into and tightly screwed in the left joint pipe; when a is more than 1, the thick yarn pad is used for supporting the internal threads on each left thread sleeve, pliers are used for supporting the thick yarn pad, and each left thread sleeve is screwed in and screwed in the left joint pipe in sequence from the inside; the thick yarn pad is made of yarns, and the thickness of the clamped gasket is 1.1-1.5 times of the depth of the internal threads, so that the thick yarn pad is called;
judging the number of the right threaded sleeve which is the smallest to be required according to the outer diameter of the second pipeline, setting the right threaded sleeve as the b right threaded sleeve, taking out the b right threaded sleeve from the multi-stage reducing two-way pipe joint assembly, and sintering the b right threaded sleeve on the outer wall of the joint position of the second pipeline through hot melting;
fifthly, screwing each right threaded sleeve with the inner diameter larger than that of the b right threaded sleeve into and tightening the right threaded sleeve in the right joint pipe from large to small in sequence and abutting against a rubber gasket in the right joint pipe, and screwing the b right threaded sleeve into the innermost right threaded sleeve, namely the b-1 right threaded sleeve and abutting against the rubber gasket in the right joint pipe; when b=1, screwing the 1 st right threaded sleeve fused on the second pipeline directly into the right joint pipe and tightening the right threaded sleeve into the right joint pipe; when b is more than 1, the thick yarn pad is used for padding the internal threads on each right thread sleeve, and then the pliers are used for propping up the thick yarn pad, so that each right thread sleeve is screwed in and screwed in the right joint pipe in sequence.
8. The exterior-packed multi-stage reducing two-way pipe joint assembly according to claim 7, wherein the method of disassembly and reinstallation thereof is: taking two pipe tongs, one for clamping the demarcation pipe and the other for clamping the pipeline, reversely unscrewing and unscrewing the demarcation pipe and the pipeline, and thus completing the disassembly of the two-way pipe joint; the left threaded sleeve a is still fixed on the outer wall of the first pipeline after unscrewing, the right threaded sleeve b is still fixed on the outer wall of the second pipeline, and the unscrewing position is any left threaded sleeve with the inner diameter larger than the left threaded sleeve a or any right threaded sleeve with the inner diameter larger than the right threaded sleeve b; and during reinstallation, the two-way pipe joint is inserted and screwed on the pipeline again, and reinstallation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310881376.7A CN116817051A (en) | 2023-07-18 | 2023-07-18 | Outer-wrapping type multi-stage reducing two-way pipe joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310881376.7A CN116817051A (en) | 2023-07-18 | 2023-07-18 | Outer-wrapping type multi-stage reducing two-way pipe joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116817051A true CN116817051A (en) | 2023-09-29 |
Family
ID=88112811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310881376.7A Withdrawn CN116817051A (en) | 2023-07-18 | 2023-07-18 | Outer-wrapping type multi-stage reducing two-way pipe joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116817051A (en) |
-
2023
- 2023-07-18 CN CN202310881376.7A patent/CN116817051A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107520576B (en) | Slip-on welding flange internal clamp | |
| CN201672185U (en) | Fast multifunctional pipe joint | |
| CN103104768A (en) | Stainless steel corrugated hose connecting device for fuel gas transportation | |
| CN116817051A (en) | Outer-wrapping type multi-stage reducing two-way pipe joint assembly | |
| CN219775076U (en) | Multipurpose corrugated pipe joint | |
| CN116817052A (en) | Built-in multistage reducing two-way pipe joint assembly | |
| CN204141117U (en) | Fuel gas transmission stainless steel corrugated flexible hose leads directly to pipe fitting | |
| CN203068014U (en) | Stainless steel corrugated hose connection device for fuel gas transportation | |
| CN104455839A (en) | Flange convenient to mount and demount | |
| CN112628519B (en) | High-pressure self-tightening type pipeline plug and application thereof | |
| CN200989498Y (en) | Clamp sleeve type metal pipe joint | |
| CN104455838A (en) | Flange convenient to mount and demount | |
| CN2926737Y (en) | Pipe connector | |
| CN205207964U (en) | Composite connection coupling | |
| CN2162576Y (en) | Pipe joint element for various pipeline | |
| CN212509965U (en) | High-pressure hose connector | |
| CN202220931U (en) | Pipeline quick connecting assembly | |
| CN207454984U (en) | A kind of slide-in type bellmouth pipe fitting | |
| CN201795218U (en) | Thin-walled pipe network connecting component of irrigation system | |
| CN201014124Y (en) | Large caliber plastic-aluminum pipe connection | |
| CN213065052U (en) | Flexible quick-release clamp for non-standard aircraft air conditioner pipeline | |
| CN205207967U (en) | Connection pipe joint | |
| CN210291083U (en) | Oil field surface pipeline connector | |
| CN220506054U (en) | Locking ring structure | |
| CN204493945U (en) | A kind of novel combination type outlet(discharge) flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230929 |