CN114484115A - Direction-adjustable rotary joint and method - Google Patents
Direction-adjustable rotary joint and method Download PDFInfo
- Publication number
- CN114484115A CN114484115A CN202210200051.3A CN202210200051A CN114484115A CN 114484115 A CN114484115 A CN 114484115A CN 202210200051 A CN202210200051 A CN 202210200051A CN 114484115 A CN114484115 A CN 114484115A
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- China
- Prior art keywords
- joint
- nut
- adjustable
- groove
- semi
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 210000001503 joint Anatomy 0.000 description 6
- 210000002310 elbow joint Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
-
- 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
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0225—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means without sealing rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention discloses a direction-adjustable rotary joint and a method, wherein the direction-adjustable rotary joint comprises a first joint, a second joint, a nut and a limiting piece, wherein the lower part of the nut is in threaded connection with the first joint, and the upper part of the nut is in rotary connection with the second joint through the limiting piece; and the second joint is abutted against or away from the first joint by rotating the nut. The invention has the advantages of convenient pipeline installation, reliable structure, flexible application and the like.
Description
Technical Field
The invention relates to the technical field of pipeline joints, in particular to a direction-adjustable rotary joint and a direction-adjustable rotary joint method.
Background
The rotary joint is a connecting sealing part for inputting fluid media (liquid, gas and the like) into rotary equipment from a static pipeline, and the longitudinal inner pipe is positioned in the rotary joint, is different from a conveying medium channel of the rotary joint, but also plays a role in conveying the medium. At present, when connecting the air compressor machine gas circuit, a bit of pipeline need be connected with elbow and pipeline, and current elbow is the integrated into one piece structure, and during the installation, the interface orientation of elbow is not good to be controlled, when being difficult to ensure that locking elbow targets in place, its structure just in time faces the pipeline that needs the butt joint. And the quick-operation joint can't satisfy the pipe diameter requirement of air compressor machine pipeline, can not use quick-operation joint to solve the problem.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The invention aims to provide a rotary joint and a method which are convenient for pipeline installation, reliable in structure and flexible in application.
Therefore, the invention provides a direction-adjustable rotary joint and a method.
Preferably, the invention can also have the following technical features:
a direction-adjustable rotary joint comprises a first joint, a second joint, a nut and a limiting piece, wherein the lower part of the nut is in threaded connection with the first joint, and the upper part of the nut is in rotary connection with the second joint through the limiting piece; and the second joint is abutted against or away from the first joint by rotating the nut.
Furthermore, the upper end of the first joint is provided with a taper hole with a large upper part and a small lower part; the lower end of the second joint is provided with a spherical surface matched with the taper hole, and the spherical surface is small at the bottom and large at the top.
Further, the outside that connects two is equipped with first semi-annular groove, the inside of nut be equipped with first semi-annular groove complex second semi-annular groove, form complete mounting groove after first semi-annular groove and the combination of second semi-annular groove, the locating part assembly is in the mounting groove.
Further, the limiting piece is a steel wire.
Further, the side of the nut is provided with a mounting hole, and the mounting hole is communicated with the mounting groove.
Further, the mounting hole is tangent to the mounting groove.
Further, the orientation of the mounting hole is opposite to the screwing direction of the nut.
Further, the mounting groove is the square groove, the mounting hole is equipped with 2, the locating part is the jump ring.
Furthermore, the first joint is a straight joint, and the second joint is an elbow joint.
A method for using a direction-adjustable rotary joint comprises the following steps: firstly, the second joint is rotatably connected to the upper part of the nut through a limiting piece; then the lower part of the nut is in threaded connection with the first joint, the nut is rotated to drive the second joint to move downwards and abut against the first joint, and a sealing surface is formed on the joint surface of the first joint and the second joint; and rotating the second connector, adjusting the direction of the outlet end of the second connector, and finally tightening the nut to tightly seal the second connector and the first connector.
Compared with the prior art, the invention has the advantages that: the application has the advantages of simple parts, convenience in pipeline installation, reliable structure and flexible application; the size of the drift diameter of the pipeline is guaranteed, and the reliable sealing performance of the joint is guaranteed, so that the management and maintenance cost is reduced, the external feedback fault of the part is reduced, and the use reliability of the part is improved. In actual use, firstly, the joint two is rotatably installed on the upper portion of the nut through the limiting piece, then the lower portion of the nut is in threaded connection with the joint one, the nut is screwed, the lower end of the joint two is gradually close to the upper end of the joint one until abutting connection is achieved, the joint two is rotated to the angle convenient for butt joint of pipelines before the nut is pre-tightened, and then the nut is screwed, so that the joint one, the joint two and the nut are integrated, sealing of the joint one and the joint two is achieved simultaneously, and leakage of the joint one and the joint two is prevented.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is a cross-sectional view of a joint of the present invention.
Fig. 4 is a perspective view of the nut of the present invention.
Fig. 5 is a structural diagram of a position limiting element according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. It should be emphasized that the following description is merely exemplary in nature and is not intended to limit the scope of the invention or its application.
Non-limiting and non-exclusive embodiments will be described with reference to the following figures, wherein like reference numerals refer to like parts, unless otherwise specified.
The direction-adjustable rotary joint shown in fig. 1 to 5 comprises a first joint 4, a second joint 1, a nut 3 and a limiting piece 2, wherein the lower part of the nut 3 is in threaded connection with the first joint 4, the upper part of the nut is in rotational connection with the second joint 1 through the limiting piece 2, and the limiting piece limits the relative movement of the second joint 1 and the nut 3 in the axial direction; and the nut 3 is rotated to drive the second joint 1 to abut against or be far away from the first joint 4. In this technical scheme, connect two 1 and nut 3 to be connected, through locating part restriction joint two and the relative axial displacement of nut, when rotating nut 3, nut 3 drives and connects two 1 butt or keep away from joint one, when rotating the direction of the nut of screwing, connects two 1 and is close to connecting one 4, and the lower extreme that connects two 1 and the upper end butt that connects one 4 realize sealedly.
In practical use, the second joint 1 is rotatably mounted on the upper portion of the first nut 3 through the limiting piece 2, then the lower portion of the first nut 3 is in threaded connection with the first joint 4, the first nut 4 is screwed, the lower end of the second joint 1 is gradually close to the upper end of the first joint 4 until abutting, the second joint 1 is rotated to an angle convenient for butt joint of pipelines before the first nut 3 is pre-tightened, and then the first nut 3 is screwed. Like this, joint 4, joint two 1, nut 3 three are promptly as an organic whole, according to the management of coming to the interface orientation butt joint of adjusting joint two 1 of butt joint pipeline, the pipeline is smooth and easy with joint two 1, does not have the torsional condition, realizes joint 4 and the sealed of joint two 1 simultaneously, prevents that the junction of joint 4 and joint two 1 from taking place to reveal.
The technical scheme has the advantages of simple parts, convenience in pipeline installation, reliable structure and flexible application; the size of the drift diameter of the pipeline is guaranteed, and the reliable sealing performance of the joint is guaranteed, so that the management and maintenance cost is reduced, the external feedback fault of the part is reduced, and the use reliability of the part is improved.
In a preferred embodiment, the joint surface of the upper end of the first joint 4 and the joint surface of the lower end of the second joint 1 are sealed by a spherical surface and a conical surface, or the joint surface of the upper end of the first joint 4 and the joint surface of the lower end of the second joint 1 are sealed by an inner conical surface and an outer conical surface. Specifically, the upper end of the first joint 4 is provided with a taper hole with a large upper part and a small lower part, correspondingly, the outer circumference of the lower end of the second joint 1 is a spherical surface or a conical surface matched with the taper hole of the joint 1, and the spherical surface or the conical surface is small lower part and large upper part. During installation, the spherical surface of the second joint 1 is pressed to the conical hole surface of the first joint 4 through the nut 3, and sealing is achieved.
Specifically, combine fig. 4, the outside that connects two 1 is equipped with first semi-ring groove 11, the inside of nut 3 is equipped with second semi-ring groove, first semi-ring groove 11 and second semi-ring groove correspond the setting, form complete mounting groove after the two merges for installation size and mounting groove complex locating part, mounting groove and locating part 2's cooperation mode includes clearance fit, interference fit. The side of the nut 3 is provided with a mounting hole 31, and the mounting hole 31 is communicated with the mounting groove. The mounting groove includes, but is not limited to, a circular hole or a square hole.
In some embodiments, the mounting groove is preferably a circular hole, the mounting hole 31 is a circular hole, and the first half-ring groove 11 and the second half-ring groove are combined to form the circular hole. The limiting member 2 is a circular metal wire, preferably a metal with high hardness such as a steel wire or an iron wire. Preferably the circular aperture is tangential to the annular circular aperture. Furthermore, the orientation of the circular hole is opposite to the screwing direction of the nut, so that the steel wire cannot fall off the nut 3 from the mounting hole 31 after the nut is tightened. Thus, when the nut 3 and the joint II 1 rotate relatively and rotate in the loosening direction, the relative rotation is limited by the steel wire. During the equipment, at first adjust the position that connects two 1 and nut 3, make the position correspondence of first annular 11 and second annular, form the mounting groove, then pass into the mounting groove behind mounting hole 31 with the steel wire front end, until the rear end of propping the steel wire, push the steel wire into the mounting groove entirely or the steel wire does not bulge the nut outside 1 mm.
In some embodiments, the mounting groove is a square groove, the mounting holes are 2 long grooves, and the limiting member 2 is a snap spring. During assembly, one end of the clamp spring penetrates through one mounting hole 31 and then is transmitted out of the other mounting hole 31, and the clamp spring is placed in the nut 3 and clamped in the second half-ring groove; when the second connector 1 is assembled, the clamp spring is spread, then the second connector 1 extends into the nut 3, the first semicircular groove 11 corresponds to the clamp spring in position, the clamp spring is loosened, and the clamp spring is embedded into the first semicircular groove 11; the clamp spring limits the axial movement of the joint II 1, but the joint II 1 can still rotate relative to the nut 3.
At least one of the first joint 4 and the second joint 1 is an elbow joint, in this embodiment, the first joint 4 is a straight joint, and the second joint 1 is an elbow joint. In the joint surface sealing of the first joint 4 and the second joint 1, the joint end surface of the connection limiting member 2 is generally a spherical surface.
A method for using a direction-adjustable rotary joint comprises the following steps: firstly, the second joint 1 is rotatably connected to the upper part of the nut 3 through the limiting piece 2; then the lower part of the nut 3 is in threaded connection with the first joint 4, the nut 3 is rotated to drive the second joint 1 to move downwards and abut against the first joint 4, and a sealing surface is formed on the joint surface of the first joint 4 and the second joint 1; and then the second joint 1 is rotated, the direction of the outlet end of the second joint 1 is adjusted, and finally the nut 3 is tightened to compress and seal the second joint 1 and the first joint 4.
The direction-adjustable rotary joint is applied to pipelines of an air compressor, and is connected to the pipelines of the air compressor, so that the direction of a joint II 1 can be adjusted to adapt to pipelines in different directions, and the connection air tightness can be improved.
Those skilled in the art will recognize that numerous variations are possible in light of the above description, and therefore the examples and drawings are merely intended to describe one or more specific embodiments.
While there has been described and illustrated what are considered to be example embodiments of the present invention, it will be understood by those skilled in the art that various changes and substitutions can be made therein without departing from the spirit of the invention. In addition, many modifications may be made to adapt a particular situation to the teachings of the present invention without departing from the central concept described herein. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments and equivalents falling within the scope of the present invention.
Claims (10)
1. The utility model provides a direction adjustable rotary joint which characterized in that: the nut is in threaded connection with the first joint, and the upper part of the nut is in rotary connection with the second joint through the limiting piece; and the second joint is abutted against or away from the first joint by rotating the nut.
2. An adjustable direction rotary joint as set forth in claim 1, wherein: the upper end of the first joint is provided with a taper hole with a large upper part and a small lower part; the lower end of the second joint is provided with a spherical surface matched with the taper hole, and the spherical surface is small at the bottom and large at the top.
3. An adjustable direction rotary joint as set forth in claim 1, wherein: the outside that connects two is equipped with first semi-ring groove, the inside of nut be equipped with first semi-ring groove complex second semi-ring groove, form complete mounting groove after first semi-ring groove and the merger of second semi-ring groove, the locating part assembly is in the mounting groove.
4. A directionally adjustable swivel as claimed in claim 3, wherein: the locating part is a steel wire.
5. A directionally adjustable swivel as claimed in claim 3, wherein: the side of the nut is provided with a mounting hole, and the mounting hole is communicated with the mounting groove.
6. An adjustable direction rotary joint as set forth in claim 5, wherein: the mounting hole is tangent to the mounting groove.
7. An adjustable direction rotary joint as set forth in claim 5, wherein: the orientation of the mounting hole is opposite to the screwing direction of the nut.
8. An adjustable direction rotary joint as set forth in claim 5, wherein: the mounting groove is the square groove, the mounting hole is equipped with 2, the locating part is the jump ring.
9. An adjustable direction rotary joint as set forth in claim 1, wherein: the first joint is a straight joint, and the second joint is a bent joint.
10. A method of using a directionally adjustable swivel as claimed in claim 1, wherein: the method comprises the following steps: firstly, the second joint is rotatably connected to the upper part of the nut through a limiting piece; then the lower part of the nut is connected with the first joint in a threaded manner, the nut is rotated to drive the second joint to move downwards and abut against the first joint, and a sealing surface is formed on the joint surface of the first joint and the second joint; and then, rotating the second connector, adjusting the direction of the outlet end of the second connector, and finally tightening the nut to tightly press and seal the second connector and the first connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210200051.3A CN114484115A (en) | 2022-03-01 | 2022-03-01 | Direction-adjustable rotary joint and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210200051.3A CN114484115A (en) | 2022-03-01 | 2022-03-01 | Direction-adjustable rotary joint and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114484115A true CN114484115A (en) | 2022-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210200051.3A Pending CN114484115A (en) | 2022-03-01 | 2022-03-01 | Direction-adjustable rotary joint and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114484115A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA129386A (en) * | 1986-05-15 | 1988-04-15 | Pickhard Ewald | CONNECTING DEVICE BETWEEN TUBULAR PIPES AND TO THIS CONNECTED TRANSITION PIECE |
| CA2151272A1 (en) * | 1993-06-16 | 1994-12-22 | Gavin Thomas Mcleod | System for in situ replacement of cutting means for a ground drill |
| CN1122265A (en) * | 1994-06-09 | 1996-05-15 | 日立造船株式会社 | Roil type processing facility and roll width adjusting device therefor |
| JP2002039464A (en) * | 2000-07-26 | 2002-02-06 | Ootaki Gas Kk | Method of piping gas meter at its inlet and outlet sides and rotary joint with upper and lower slides used for the same |
| CN101503952A (en) * | 2008-02-04 | 2009-08-12 | 中国石油化工股份有限公司 | Seat seal mechanism used for packing type tail pipe hanger |
| CN102913698A (en) * | 2011-08-05 | 2013-02-06 | 泽特科私人有限公司 | Plumbing Adaptor Fitting |
| CN203880267U (en) * | 2014-03-28 | 2014-10-15 | 中航商用航空发动机有限责任公司 | Secondary sealing self-locking pipe joint assembly |
| CN106439348A (en) * | 2016-12-08 | 2017-02-22 | 广西玉柴机器股份有限公司 | Right-angled connector assembly |
| CN106481825A (en) * | 2016-12-08 | 2017-03-08 | 海盐四通管件制造有限公司 | A kind of evacuation negative-pressure type regulating valve |
| CN110962069A (en) * | 2019-11-18 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Special equipment and method for installing nut stop pin |
| CN213512584U (en) * | 2020-10-30 | 2021-06-22 | 广西玉柴机器股份有限公司 | Direction adjustable three way connection |
| CN217540004U (en) * | 2022-03-01 | 2022-10-04 | 广西玉柴机器股份有限公司 | Direction adjustable rotary joint |
-
2022
- 2022-03-01 CN CN202210200051.3A patent/CN114484115A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA129386A (en) * | 1986-05-15 | 1988-04-15 | Pickhard Ewald | CONNECTING DEVICE BETWEEN TUBULAR PIPES AND TO THIS CONNECTED TRANSITION PIECE |
| CA2151272A1 (en) * | 1993-06-16 | 1994-12-22 | Gavin Thomas Mcleod | System for in situ replacement of cutting means for a ground drill |
| CN1122265A (en) * | 1994-06-09 | 1996-05-15 | 日立造船株式会社 | Roil type processing facility and roll width adjusting device therefor |
| JP2002039464A (en) * | 2000-07-26 | 2002-02-06 | Ootaki Gas Kk | Method of piping gas meter at its inlet and outlet sides and rotary joint with upper and lower slides used for the same |
| CN101503952A (en) * | 2008-02-04 | 2009-08-12 | 中国石油化工股份有限公司 | Seat seal mechanism used for packing type tail pipe hanger |
| CN102913698A (en) * | 2011-08-05 | 2013-02-06 | 泽特科私人有限公司 | Plumbing Adaptor Fitting |
| CN203880267U (en) * | 2014-03-28 | 2014-10-15 | 中航商用航空发动机有限责任公司 | Secondary sealing self-locking pipe joint assembly |
| CN106439348A (en) * | 2016-12-08 | 2017-02-22 | 广西玉柴机器股份有限公司 | Right-angled connector assembly |
| CN106481825A (en) * | 2016-12-08 | 2017-03-08 | 海盐四通管件制造有限公司 | A kind of evacuation negative-pressure type regulating valve |
| CN110962069A (en) * | 2019-11-18 | 2020-04-07 | 中国航发沈阳黎明航空发动机有限责任公司 | Special equipment and method for installing nut stop pin |
| CN213512584U (en) * | 2020-10-30 | 2021-06-22 | 广西玉柴机器股份有限公司 | Direction adjustable three way connection |
| CN217540004U (en) * | 2022-03-01 | 2022-10-04 | 广西玉柴机器股份有限公司 | Direction adjustable rotary joint |
Non-Patent Citations (1)
| Title |
|---|
| 朱明亮: "切槽式锁紧联轴器的力学特性分析", 造纸装备及材料, vol. 3, no. 49, 15 June 2020 (2020-06-15), pages 18 * |
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