CN216143336U - Mechanical seal adjustable three-way rotary joint - Google Patents
Mechanical seal adjustable three-way rotary joint Download PDFInfo
- Publication number
- CN216143336U CN216143336U CN202121757367.XU CN202121757367U CN216143336U CN 216143336 U CN216143336 U CN 216143336U CN 202121757367 U CN202121757367 U CN 202121757367U CN 216143336 U CN216143336 U CN 216143336U
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- China
- Prior art keywords
- joint
- fixed ring
- mechanical seal
- ring
- rotary joint
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 210000002445 nipple Anatomy 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a three-way rotary joint with adjustable mechanical seal, and belongs to the field of rotary joints. The three-way rotary joint with the adjustable mechanical seal comprises a joint shell, a fixed ring and an adjusting bolt. The structure of the fixed ring and the joint shell in the rotary joint is optimized, the fixed ring can be subjected to micro angle adjustment by utilizing the adjustment and control of the adjusting bolt, the influence of deformation stress on the movable ring when a hose transmits a medium is made up, the coaxiality of a friction pair in mechanical seal can be improved and the poor loss of a sealing end face is weakened according to the adjustment and control of working conditions, so that the service life of the rotary joint is prolonged; in addition, the mode that the joint shell is fixed the stationary ring with the pin is replaced by adjusting bolt, sets up the convenient processing in outside regulation hole, and the installation is convenient, and then has reduced the difficult degree of production, has improved rotary joint production efficiency.
Description
Technical Field
The utility model belongs to the field of rotary joints, and particularly relates to a three-way rotary joint with adjustable mechanical seal.
Background
The rotary joint is a sealed rotary connector for rotary conveying media, and the application field of the rotary joint almost covers various processing and manufacturing industries. The rotary joint realizes the sealing of the rotary pipeline and the static joint through the internal mechanical sealing assembly, and is also the key that the rotary joint can work normally, and the rotary joint supports multiple channels to transmit different media.
In the prior art, in order to solve the problem of deviation such as displacement and deflection of a fluid conveying pipeline and a rotary joint in connection, a rotary end needs to be connected with an external hose, but deformation of the hose during medium transmission still transmits deformation stress to rotation of a movable ring, so that coaxiality of the movable ring and a fixed ring in a mechanical sealing assembly deviates, friction traces on the end face of the movable ring are discontinuous, inclined abrasion of the sealing end face is accelerated, and the service life of the rotary joint is shortened; in addition, the fixed ring of the mechanical seal is fixed on the joint shell through the pin, the processing difficulty of forming the pin hole in the joint shell is high, the assembling process is difficult, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a three way swivel joint of mechanical seal adjustable to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: a three-way rotary joint with adjustable mechanical seal comprises a joint shell, a fixed ring and an adjusting bolt, wherein a plurality of adjusting holes are formed in the outer side wall of the joint shell, the adjusting bolt is connected in each adjusting hole, the tail end of each adjusting bolt extends into the joint shell, the fixed ring is sleeved in the joint shell and is fastened by the adjusting bolt; the fixed ring is composed of a fixed ring main body and a friction ring, the fixed ring main body is of a stepped annular structure, and the friction ring is mounted on the fixed ring main body.
Furthermore, the outer side wall of the fixed ring main body is provided with a sealing groove, an O-shaped ring is installed in the sealing groove, the outer side wall of the fixed ring main body is provided with a differential compensation adjusting groove, and the adjusting bolt is in close contact with the differential compensation adjusting groove.
Furthermore, an internal thread is formed in one end of the joint shell, a tee joint is connected to the joint shell and located on one side where the internal thread is formed, a difference compensation spring is arranged in the joint shell, and the side where the internal thread is formed is arranged on the difference compensation spring.
Furthermore, the lateral wall of the joint shell is provided with an oil drainage hole, one side of the oil drainage hole is provided with an oil nozzle, the oil nozzle is communicated with the inside of the joint shell, and the oil nozzle is matched with the oil drainage hole for use.
Further, the friction ring of stationary ring and rotating ring in close contact with, the rotatory dabber is installed to the right-hand member of rotating ring, the cover is equipped with two sets of bearings on the rotatory dabber, and is two sets of the bearing sets up the both sides at the glib talker, the other end of rotatory dabber comes to be equipped with the external screw thread, the one end that the external screw thread was seted up to rotatory dabber extends to the outside of connecting the shell.
Furthermore, a clamp spring groove is formed in the inner side wall of the joint shell, one end, far away from the adjusting hole, of the clamp spring groove is formed in the clamp spring groove, an inner clamp spring is arranged in the clamp spring groove, and the inner clamp spring realizes positioning of the rotating mandrel through a limiting bearing.
Has the advantages that: the structure of the fixed ring and the joint shell in the rotary joint is optimized, the fixed ring can be subjected to micro angle adjustment by utilizing the adjustment and control of the adjusting bolt, the influence of deformation stress on the movable ring when a hose transmits a medium is made up, the coaxiality of a friction pair in mechanical seal can be improved and the poor loss of a sealing end face is weakened according to the adjustment and control of working conditions, so that the service life of the rotary joint is prolonged; in addition, the mode that the joint shell is fixed the stationary ring with the pin is replaced by adjusting bolt, sets up the convenient processing in outside regulation hole, and the installation is convenient, and then has reduced the difficult degree of production, has improved rotary joint production efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged view of the utility model at a in fig. 1.
FIG. 3 is a schematic structural view of the stationary ring of the present invention.
The reference signs are: the oil leakage adjusting device comprises a rotary mandrel 1, a joint shell 2, an adjusting hole 21, an oil drainage hole 22, a differential compensation spring 3, a fixed ring 4, a fixed ring main body 41, a friction ring 42, a sealing groove 43, a differential compensation adjusting groove 44, a movable ring 5, an inner clamp spring 6, an oil nozzle 7, a bearing 8, an O-shaped ring 9 and an adjusting bolt 10.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
As shown in fig. 1-2, a three-way rotary joint with adjustable mechanical seal comprises a rotary mandrel 1, a joint shell 2, a differential compensation spring 3, a fixed ring 4, a movable ring 5, an inner clamp spring 6, an oil nozzle 7, a bearing 8, an O-ring 9 and an adjusting bolt 10; the right part of the joint shell 2 is provided with an internal thread, the tail end of the internal thread of the joint shell 2 is provided with a convex ring, the left side of the convex ring is provided with a differential compensation spring 3, the left side of the differential compensation spring 3 is provided with a fixed ring 4, the left end of the fixed ring 4 is provided with a movable ring 5, the differential compensation spring 3 can enable the fixed ring 4 to be in close contact with the movable ring 5, sealing is achieved, the left end of the movable ring 5 is provided with a rotating mandrel 1, two groups of bearings 8 are assembled on the rotating mandrel 1 in an interference mode, and the left end of the rotating mandrel 1 is provided with an external thread and extends to the outer side of the joint shell 2;
the outer side wall of the joint shell 2 is provided with a three-way interface, the three-way interface is arranged on the lower side of the differential compensation spring 3, the left side of the three-way interface is provided with a plurality of adjusting holes 21, the adjusting holes 21 are circularly distributed on the joint shell 2, adjusting bolts 10 are connected in the adjusting holes 21, and the tail ends of the adjusting bolts 10 extend into the joint shell 2;
install glib 7 on the lateral wall of joint housing 2, bearing 8 is installed between two sets of bearings 8, and bleeder hole 22 has been seted up to one side of bearing 8, and bleeder hole 22 and glib 7 can lubricate bearing 8, and the jump ring groove has been seted up to the inside wall of joint housing 2, and jump ring 6 in the jump ring inslot is installed, and interior jump ring 6 is through restriction bearing 8, realizes the location of pairing rotation dabber 1.
As shown in fig. 3, the fixed ring 4 includes a fixed ring main body 41 and a friction ring 42, the fixed ring main body 41 is a stepped ring structure, the friction ring 42 is mounted on the fixed ring main body 41, the friction ring 42 is in close contact with the moving ring 5, a sealing groove 43 is formed in an outer side wall of the fixed ring main body 41, an O-ring 9 is mounted on the sealing groove 43, a differential compensation adjusting groove 44 is formed in an outer side wall of the fixed ring main body 41, and the adjusting bolt 10 is in close contact with the differential compensation adjusting groove 44.
Specially, when the flexible pipe deformation stress adjusting device is used, the influence of the flexible pipe deformation stress on the angle of the movable ring 5 is calculated according to the flow rate of a medium and the installation position, then the tool is used for adjusting the hole adjusting bolt 10, the fixed ring 4 is coaxial with the deflected movable ring 5 as far as possible, and in the adjusting process, the tail end of the adjusting bolt 10 is in close contact with the differential compensation adjusting groove 44 but is not locked; after the angle of the fixed ring 4 is adjusted, the medium is firstly switched on, then the rotating mandrel 1 is used as rotating power, the bearing 8 assists the rotating mandrel 1 to rotate in the joint shell 2, the fixed ring 4 and the moving ring 5 form a plane sealing pair in the medium, the O-shaped ring 9 further blocks the possibility of medium overflow, and the differential compensation spring 3 can ensure the close contact of the fixed ring 4 and the moving ring 5 during mechanical vibration; when the bearing is used for a long time, the bearing 8 can be lubricated by the oil nozzle 7, and the waste lubricating grease can be discharged from the oil drain hole 22.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.
Claims (6)
1. The mechanical seal adjustable three-way rotary joint is characterized by comprising a joint shell, a fixed ring and an adjusting bolt, wherein a plurality of adjusting holes are formed in the outer side wall of the joint shell, the adjusting bolt is connected in the adjusting holes, the tail end of the adjusting bolt extends into the joint shell, the fixed ring is sleeved in the joint shell and is fastened by the adjusting bolt; the fixed ring is composed of a fixed ring main body and a friction ring, the fixed ring main body is of a stepped annular structure, and the friction ring is mounted on the fixed ring main body.
2. The mechanical seal adjustable three-way rotary joint according to claim 1, wherein a sealing groove is formed in an outer side wall of the fixed ring main body, an O-ring is installed in the sealing groove, a differential compensation adjusting groove is formed in an outer side wall of the fixed ring main body, and the adjusting bolt is in close contact with the differential compensation adjusting groove.
3. The three-way rotary joint with the adjustable mechanical seal as claimed in claim 1, wherein an internal thread is formed at one end of the joint housing, a three-way joint is connected to the joint housing, the three-way joint is located at one side where the internal thread is formed, a differential compensation spring is arranged in the joint housing, and the differential compensation spring is arranged at one side where the internal thread is formed.
4. The three-way rotary joint with the adjustable mechanical seal as claimed in claim 1, wherein an oil drainage hole is formed in the outer side wall of the joint housing, an oil nipple is mounted on one side of the oil drainage hole, the oil nipple is communicated with the inside of the joint housing, and the oil nipple is used in cooperation with the oil drainage hole.
5. The three-way rotary joint with the adjustable mechanical seal according to claim 1, wherein the friction ring of the fixed ring is in close contact with the moving ring, the right end of the moving ring is provided with a rotary mandrel, the rotary mandrel is sleeved with two sets of bearings, the two sets of bearings are arranged on two sides of the oil nozzle, the other end of the rotary mandrel is provided with an external thread, and the end of the rotary mandrel provided with the external thread extends to the outside of the joint housing.
6. The mechanical seal adjustable three-way rotary joint according to claim 1, wherein a clamp spring groove is formed in an inner side wall of the joint housing, the clamp spring groove is formed in one end far away from the adjusting hole, an inner clamp spring is arranged in the clamp spring groove, and the inner clamp spring realizes positioning of the rotary mandrel through a limiting bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757367.XU CN216143336U (en) | 2021-07-30 | 2021-07-30 | Mechanical seal adjustable three-way rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757367.XU CN216143336U (en) | 2021-07-30 | 2021-07-30 | Mechanical seal adjustable three-way rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216143336U true CN216143336U (en) | 2022-03-29 |
Family
ID=80804710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121757367.XU Expired - Fee Related CN216143336U (en) | 2021-07-30 | 2021-07-30 | Mechanical seal adjustable three-way rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216143336U (en) |
-
2021
- 2021-07-30 CN CN202121757367.XU patent/CN216143336U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |