CN212028806U - Novel from locking-type regulation pipe fitting - Google Patents
Novel from locking-type regulation pipe fitting Download PDFInfo
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- CN212028806U CN212028806U CN202020440212.2U CN202020440212U CN212028806U CN 212028806 U CN212028806 U CN 212028806U CN 202020440212 U CN202020440212 U CN 202020440212U CN 212028806 U CN212028806 U CN 212028806U
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- locking
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- 238000007789 sealing Methods 0.000 claims abstract description 38
- 210000004907 gland Anatomy 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel adjust pipe fitting from locking-type for at least connection between two sets of pipelines, include: the connecting pipe is provided with at least two end heads, each group of end heads of the connecting pipe is provided with a pipe sleeve, and the pipe sleeves are sleeved on the pipeline; the first end of the joint is in threaded connection with the inner wall of the pipe sleeve; the sealing ring is positioned between the first end of the joint and the pipe sleeve; a plurality of grooves are formed in the outer wall of the second end of the joint, and a fastener is arranged at the second end of the joint to enable the second end of the joint to shrink and lock the outer wall of the pipeline; the utility model discloses a novel adjust the pipe fitting from locking-type, simple to operate and sealing performance are excellent, can realize the axial connection of pipeline fixed.
Description
Technical Field
The utility model relates to a pipe fitting technical field particularly, relates to a novel adjust pipe fitting from locking-type.
Background
The maintenance of pipe fitting mainly used pipe-line system and the connection that the piping erection meets, current stainless steel pipeline adopts traditional mode to connect mostly, promptly: the pipe fitting is sleeved on the pipeline, and the groove is pressed for the pipe fitting and the pipeline overlapping part by using equipment so as to realize the connection of the pipe fitting and the pipeline.
Chinese patent application No. CN90211484.0 discloses a loose joint pipeline accessory, which is sealed by using a gland and a pipe sleeve in threaded connection to cooperate with a sealing ring, and sealing can be achieved by screwing threads, but in this scheme, the pipeline, the pipe sleeve and the gland are sealed by the sealing ring, so that two sections of pipelines are actually connected by friction force of the pipeline accessory, relative displacement is easy to occur, and further, axial acting force cannot be borne between the pipelines at two ends.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a novel adjust the pipe fitting from locking-type, when realizing connecting to pipeline sealing, can realize the axial connection fixed to the connecting tube.
The purpose of the utility model is realized through the following technical scheme:
a novel from locking-type regulation pipe fitting for the connection between at least two sets of pipelines includes:
the connecting pipe is provided with at least two ends, each end of the connecting pipe is provided with a pipe sleeve, and the pipe sleeves are sleeved on the pipeline;
the pipe sleeve comprises a joint and a sealing ring sleeved on the pipeline, wherein the first end of the joint is in threaded connection with the inner wall of the pipe sleeve; the sealing ring is positioned between the first end of the joint and the pipe sleeve;
preferably, a plurality of grooves are formed in the outer wall of the second end of the joint, and a fastener is arranged at the second end of the joint to enable the second end of the joint to shrink and lock the outer wall of the pipeline.
Preferably, the sealing ring is embedded in the first end of the joint.
Preferably, a gland is further sleeved on the outer wall of the pipeline between the first end of the connector and the pipe sleeve, the inner wall, close to the end head of the connecting pipe, of the gland is of an enlarged structure, and the sealing ring is arranged in the enlarged structure.
Preferably, the fastener is a hoop or a wire, and the fastener is sleeved at the second end of the joint.
Preferably, the second end of the joint is divided into two groups of equal half rings by grooves, the fastening members are bolts, and the two groups of half rings are connected through bolts.
Preferably, the connecting pipe is a two-way pipe or a multi-way pipe, and the pipe sleeve is welded on the connecting pipe.
Preferably, the gland is integrally formed with the fitting.
A novel from locking-type regulation pipe fitting for the connection between at least two sets of pipelines includes:
a connecting tube having at least two ends;
the pipe joint comprises a joint and a sealing ring sleeved on a pipeline, wherein a pipe sleeve is arranged at a first end of the joint and is in threaded connection with the end head of a connecting pipe; the sealing ring is positioned in a cavity formed by the connecting pipe, the pipe sleeve and the end part of the first end of the joint;
a plurality of grooves are formed in the outer wall of the second end of the joint, and a fastener is arranged at the second end of the joint to enable the second end of the joint (2) to shrink and lock the outer wall of the pipeline.
The utility model has the advantages of it is following:
1. the utility model discloses a connect the second end from locking-type in the pipe fitting to be equipped with the groove, with the help of the collapsible joint second end of fastener, make its locking at the pipeline outer wall, convenient operation and connection are firm, can realize the axial connection between the pipeline fixed.
2. The inner wall of the pipe sleeve is in threaded connection with the first end of the connector, and meanwhile, a sealing ring is arranged between the first end of the connector and the adjusting pipe sleeve, so that the sealing ring is pressed on the surface of a pipeline to form a sealing structure in the screwing process of the threads, and leakage of a conveying medium is prevented.
Drawings
Fig. 1 is a schematic structural diagram of a self-locking pipe according to a first embodiment;
fig. 2 is a schematic structural diagram of the self-locking pipe provided in the second embodiment;
in the figure: 1-connecting pipe, 100-pipe sleeve, 110-welding seam, 2-joint, 200-second end of outer thread body, 210-groove, 220-fastener, 3-sealing ring, 300-gland and 4-pipeline.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
The first embodiment is as follows:
as shown in fig. 1, a novel self-locking type adjusting pipe fitting for connecting two sets of pipelines 4 comprises: the connecting pipe comprises a connecting pipe 1 with two ends, a joint 2 sleeved on a pipeline 4 and a sealing ring 3.
The connecting pipe 1 is of a two-way pipe structure, the two ends of the connecting pipe 1 are respectively provided with pipe sleeves 100, the pipe sleeves 100 are welded on the connecting pipe 1, a welding seam 110 is shown in the figure, the inner diameter of the connecting pipe 1 is in sliding fit with the pipes 4, the inner diameter of the pipe sleeves 100 is larger than the outer diameter of the connecting pipe 1, and the two groups of pipes 4 respectively penetrate through the pipe sleeves 100 at the two ends of the connecting pipe 1 to extend into the connecting pipe 1.
The inner diameter of the joint 2 and the inner diameter of the sealing ring 3 are both in sliding fit with the outer diameter of the pipeline 4, an external thread is arranged at the first end of the joint 2, and the external thread at the first end of the joint 2 is in threaded connection with the inner wall of the pipe sleeve 100; a cavity is formed among the first end of the joint 2, the end part of the pipe sleeve 100 and the outer wall of the pipeline 4, the sealing ring 3 is positioned between the first end of the joint 2 and the pipe sleeve 100, namely, the sealing ring 3 is positioned in the cavity, and correspondingly, the sealing ring 3 can be embedded in the end part of the first end of the joint 1.
A plurality of grooves 210 are formed in the outer wall of the second end of the joint 2, the grooves 210 extend from the second end to the first end of the joint 2 but do not extend to the area where the external threads of the first end of the joint 2 are located, and a fastener 220 is arranged at the second end of the joint 2 so that the second end of the joint 2 can be contracted to lock the outer wall of the pipeline 4; the fastening member 220 may be a hoop or a wire, and the hoop or the wire is sleeved on the outer wall of the second end of the joint 2 to prevent the relative sliding between the pipe 4 and the joint 2.
In addition, the grooves 210 of the second end of the joint 2 can be also divided into two groups, the two groups of grooves 210 divide the outer wall of the second end of the joint 2 into two groups of equal semi-rings, two ends of each group of semi-rings are provided with a group of connecting pieces, the connecting pieces on the two groups of semi-rings are mutually overlapped in parallel, the connecting pieces on the two groups of semi-rings are connected and locked by bolts, and the second end of the joint 2 is contracted by bolts to realize the locking connection of the outer wall of the pipeline 4.
Preferably, in yet another embodiment, a pressing cover 300 is further sleeved on the outer wall of the pipe 4 between the first end of the joint 2 and the pipe sleeve 100, the pressing cover 300 is located in a cavity formed among the first end of the joint 2, the end of the pipe sleeve 100 and the outer wall of the pipe 4, the pressing cover 300 and the joint 2 can be integrally formed, at this time, the sealing ring 3 can be embedded in the end of the first end of the joint 1, and the sealing ring 3 is pressed to form a sealing structure in the process that the first end of the joint 2 is screwed into the pipe sleeve 100.
Preferably, in another embodiment, the gland 300 may be a single annular part, the end surface of the gland 300 facing the first end of the joint 2 is defined as the first end of the gland 300, and conversely, the second end of the gland 300, the inner wall of the gland 300 near the second end of the gland 300 is an enlarged structure, the sealing ring 3 is arranged in the enlarged structure, and during the process of compressing the sealing ring 3, the sealing ring 3 is in sufficient contact with the outer wall of the pipe 4 while the sealing ring 3 seals between the second end of the gland 300 and the pipe sleeve 100, so that the end cap 300 is also sealed with the outer wall of the pipe 4.
Example two:
a novel self-locking type adjusting pipe fitting, as shown in fig. 2, the difference between the second embodiment and the first embodiment is as follows: the connecting pipe 1 is a three-way pipe, and can be a multi-way pipe structure more than the three-way pipe according to actual conditions.
Example three:
a novel from locking-type regulation pipe fitting for the connection between at least two sets of pipelines 4, include:
the connecting pipe comprises a connecting pipe 1 with at least two ends, and the end part of the connecting pipe 1 is provided with an external thread.
A joint 2 and a sealing ring 3 which are sleeved on the pipeline 4.
In this embodiment, the pipe sleeve 100 is arranged at the end of the joint 2, the pipe sleeve 100 is provided with an internal thread, and the internal thread of the pipe sleeve 100 is in threaded connection with the external thread of the connecting pipe 1; compared with the first embodiment, in the present embodiment, the installation positions of the pipe sleeve 100 are different, and the sealing ring 3 is located in a cavity formed by the connecting pipe 1, the pipe sleeve 100 and the first end of the joint 2; the outer wall of the second end of the joint 2 is provided with a plurality of grooves 210, the second end of the joint 2 is provided with a fastener 220 so that the second end of the joint 2 can be contracted to lock the outer wall of the pipeline 4, and the structural positions of the grooves 210 and the fastener 220 are consistent with the embodiment.
The novel self-locking adjusting pipe fitting in the first embodiment, the second embodiment and the third embodiment is made of stainless steel, can be used for connecting stainless steel pipelines, is simple and rapid to install, high in efficiency, safe, reliable and long in service life, and the sealing ring 3 arranged on the pressing cover 300 is tightly attached to the pipe sleeve 100, so that effective sealing is formed at the joint of the outer wall of the pipeline 4 and the pipe sleeve 100, the leakage of a conveying medium is prevented, and especially when liquefied gas is transported, the gas leakage can be prevented; the novel self-locking adjusting pipe fitting is used for pipeline maintenance and pipeline installation intersection connection, has better popularization and application prospect than the traditional adjusting straight-through pipe fitting, and has huge economic and social benefits.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A novel self-locking adjusting pipe fitting for connection between at least two sets of pipes (4), comprising:
the connecting pipe comprises a connecting pipe (1) with at least two ends, wherein each end of the connecting pipe (1) is provided with a pipe sleeve (100);
the pipe joint comprises a joint (2) and a sealing ring (3) sleeved on a pipeline (4), wherein the first end of the joint (2) is in threaded connection with the inner wall of a pipe sleeve (100); the sealing ring (3) is positioned between the first end of the joint (2) and the pipe sleeve (100); the method is characterized in that:
a plurality of grooves (210) are formed in the outer wall of the second end of the joint (2), and a fastening piece (220) is arranged at the second end of the joint (2) so that the second end of the joint (2) can be contracted to lock the outer wall of the pipeline (4).
2. The novel self-locking type adjusting pipe fitting according to claim 1, characterized in that: still the cover is equipped with gland (300) on the pipeline (4) outer wall between joint (2) first end and pipe box (100), the internal diameter that is close to the one end at connecting pipe (1) end on gland (300) is the enlarged structure, sealing washer (3) are located in this enlarged structure.
3. Novel self-locking adjusting pipe fitting according to claim 1 or 2, characterized in that: the fastener (220) is a hoop or a metal wire, and the fastener (220) is sleeved at the second end of the connector (2).
4. Novel self-locking adjusting pipe fitting according to claim 1 or 2, characterized in that: the second end of the joint (2) is divided into two groups of equal half rings by a groove (210), the fastening piece (220) is a bolt, and the two groups of half rings are connected through the bolt.
5. Novel self-locking adjusting pipe fitting according to claim 1 or 2, characterized in that: the connecting pipe (1) is a two-way pipe or a multi-way pipe, and the pipe sleeve (100) is welded on the connecting pipe (1).
6. The novel self-locking type adjusting pipe fitting according to claim 2, characterized in that: the gland (300) and the joint (2) are integrally formed.
7. The novel self-locking type adjusting pipe fitting according to claim 1, characterized in that: the sealing ring (3) is embedded in the end part of the first end of the joint (2).
8. A novel self-locking adjusting pipe fitting for connection between at least two sets of pipes (4), comprising:
a connecting tube (1) having at least two ends;
the pipe joint comprises a joint (2) and a sealing ring (3) sleeved on a pipeline (4), wherein a pipe sleeve (100) is arranged at the first end of the joint (2), and the pipe sleeve (100) is in threaded connection with the end of a connecting pipe (1);
sealing washer (3) are located the cavity that connecting pipe (1), pipe box (100) and joint first end tip formed, its characterized in that:
a plurality of grooves (210) are formed in the outer wall of the second end of the joint (2), and a fastening piece (220) is arranged at the second end of the joint (2) so that the second end of the joint (2) can be contracted to lock the outer wall of the pipeline (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440212.2U CN212028806U (en) | 2020-03-30 | 2020-03-30 | Novel from locking-type regulation pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020440212.2U CN212028806U (en) | 2020-03-30 | 2020-03-30 | Novel from locking-type regulation pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212028806U true CN212028806U (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020440212.2U Active CN212028806U (en) | 2020-03-30 | 2020-03-30 | Novel from locking-type regulation pipe fitting |
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| Country | Link |
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| CN (1) | CN212028806U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028166A (en) * | 2021-02-25 | 2021-06-25 | 西安航天发动机有限公司 | Switching pre-tightening type sealing structure and sealing method of shaft assembly |
-
2020
- 2020-03-30 CN CN202020440212.2U patent/CN212028806U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028166A (en) * | 2021-02-25 | 2021-06-25 | 西安航天发动机有限公司 | Switching pre-tightening type sealing structure and sealing method of shaft assembly |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 611230 north section of Hongye Road, Chongzhou Economic Development Zone, Chengdu, Sichuan Patentee after: Kangtai Plastic Technology Co.,Ltd. Address before: 611230 north section of Hongye Road, Chongzhou Economic Development Zone, Chengdu, Sichuan Patentee before: Kangtai Plastic Technology Group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |