CN214466859U - Rotary joint device - Google Patents
Rotary joint device Download PDFInfo
- Publication number
- CN214466859U CN214466859U CN202120625963.6U CN202120625963U CN214466859U CN 214466859 U CN214466859 U CN 214466859U CN 202120625963 U CN202120625963 U CN 202120625963U CN 214466859 U CN214466859 U CN 214466859U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- sealing ring
- ring
- inner end
- rotary joint
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a connect, especially a rotary joint device. The ceramic bearing comprises a body and a hollow rotating shaft, wherein the outer end of the body is closed and is provided with a radial interface, the body is of a stepped hole structure, the rotating shaft is installed in an outer shaft hole of the body, the outer peripheral surface of the outer shaft hole of the body and the inner end of the rotating shaft are respectively provided with a flange structure, a bearing seat is sleeved at the inner end of the rotating shaft, a ceramic bearing is installed between the rotating shaft and the bearing seat, and the bearing seat is connected with the flange structure of the body through a bolt; a spring, a sealing ring and a floating ring are sequentially arranged between the bottom of the body and the inner end face of the rotating shaft, an annular groove is formed in the outer circumferential face of the sealing ring, an O-shaped ring is arranged in the groove, and the sealing ring and the floating ring and the inner end face of the rotating shaft are tightly attached and sealed through the pressure of the spring. The utility model discloses life is longer, and the structure principle is simple, and high temperature resistant corrosion-resistant reduces cost of maintenance.
Description
Technical Field
The utility model relates to a connect, especially a rotary joint device.
Background
A large number of rotary joints are used in a ball mill in the cement industry, when the temperature of an outlet of the ball mill reaches a high limit, air supply is stopped and water supply is changed according to a program, and the conventional rotary joint is short in service life and frequent in replacement under the working condition of high temperature, high pressure and water-gas mixed use, normal production is influenced, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and providing a rotary joint device with longer service life.
The utility model provides a technical scheme that its technical problem adopted is:
a rotary joint device comprises a body and a hollow rotating shaft, wherein the outer end of the body is closed and is provided with a radial interface, the body is of a stepped hole structure, the rotating shaft is arranged in an outer shaft hole of the body, the outer peripheral surface of an outer shaft hole of the body and the inner end of the rotating shaft are respectively provided with a flange structure, a bearing seat is sleeved at the inner end of the rotating shaft, a ceramic bearing is arranged between the rotating shaft and the bearing seat, and the bearing seat is connected with the flange structure of the body through a bolt; a spring, a sealing ring and a floating ring are sequentially arranged between the bottom of the body and the inner end face of the rotating shaft, an annular groove is formed in the outer circumferential face of the sealing ring, an O-shaped ring is arranged in the groove, and the sealing ring and the floating ring and the inner end face of the rotating shaft are tightly attached and sealed through the pressure of the spring.
Adopt above-mentioned technical scheme the utility model discloses compare with prior art, beneficial effect is:
the service life is longer, and the structure principle is simple, and high temperature resistant corrosion-resistant reduces cost of maintenance.
Further, the utility model discloses an optimization scheme is:
the outer end of the sealing ring is provided with an inner conical surface structure, and the floating ring is provided with an outer conical surface structure matched with the inner conical surface structure.
The material of the sealing ring is corrosion-resistant high-nickel cast iron.
The body is provided with a sight hole, and the sight hole corresponds to the floating ring.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: a body 1; a rotating shaft 2; a bearing seat 3; a ceramic bearing 4; a spring 5; an O-ring 6; a seal ring 7; a floating ring 8; a bolt 9; a sight hole 10.
Detailed Description
The present invention will be further described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the present embodiment is a rotary joint device, which is composed of a body 1 and a rotating shaft 2, etc., wherein the body 1 has a stepped hole structure, the outer end of the body 1 is closed and is provided with a radial internal thread interface, and the outer circumferential surface of an outer shaft hole of the body 1 is provided with a flange structure. The outer downthehole installation pivot 2 of axle of body 1, pivot 2 is hollow structure, and its interior terminal surface is equipped with the flange structure, and the inner suit bearing frame 3 of pivot 2 installs ceramic bearing 4 between pivot 2 and the bearing frame 3, and ceramic bearing 4 is located the outside of the flange structure of pivot 2, and the flange structure of bearing frame 3 and body 1 passes through bolt 9 to be connected, and the material of body 1, pivot 2, bearing frame 3 and bolt 9 is the stainless steel.
A spring 5, a sealing ring 7 and a floating ring 8 are sequentially arranged between the bottom of the body 1 and the inner end face of the rotating shaft 2, the spring 5 and the sealing ring 7 are located in an inner shaft hole of the body 1, the sealing ring 7 is annular and made of corrosion-resistant high-nickel cast iron, an annular groove is formed in the outer circumferential face of the sealing ring 7, an O-shaped ring 6 is arranged in the groove, and the sealing ring 7 and the circumferential face of the inner shaft hole of the body 1 are sealed through the O-shaped ring 6. The outer end of the sealing ring 7 is provided with an inner conical surface structure, the floating ring 8 is provided with an outer conical surface structure matched with the inner conical surface, the floating ring 8 is made of graphite, the spring 5 is a pressure spring, and the sealing ring 7 and the floating ring 8 and the inner end surface of the rotating shaft 2 are tightly attached and sealed through the pressure of the spring 5. The body 1 is provided with a sight hole 10 corresponding to the floating ring.
This embodiment is overall structure single circulation formula, and inside sealed and radial seal through axial elasticity compensation, realize fixed with the transport effect of fluid in the rotary part, simple structure, it is convenient to maintain, synthesizes excellent in use effect. In the embodiment, the body 1, the rotating shaft 2, the bearing seat 3, the spring 5 and the bolt 9 are all made of stainless steel, the ceramic bearing 4 is installed in the bearing seat 3, the sealing ring 7 is made of corrosion-resistant high-nickel cast iron, and the floating ring 8 is made of graphite, so that the corrosion resistance under the condition of long-term water supply can be improved, and the service life is prolonged; the graphite floating ring 8 can realize self-lubrication, the matching surface of the floating ring 8 and the sealing ring 7 is of a conical surface structure, the sealing effect is enhanced along with pressure when fluid passes through, and the influence on the sealing effect is small during rotation, centering and vibration; the body 1 is provided with a sight hole 10 corresponding to the position of the floating ring 8, and when water leakage or air leakage occurs, the inner seal is worn, and parts need to be repaired or replaced in time; when the pressure of water or air exceeds the working pressure due to the blockage of the outlet pipeline of the connector, the fluid is discharged by jetting from the sight hole 10 through the seal. The adaptive media for conveying the fluid are water and air, and the working pressure is used as follows: 0.4-1.5MPa, the highest service temperature is less than or equal to 80 ℃, and the maximum rotation speed is allowed to be 50 R.P.M.
The above description is only a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
Claims (4)
1. The utility model provides a rotary joint device, includes body, hollow pivot, and the outer end of body is sealed and is equipped with radial interface, and the body is the shoulder hole structure, the outer downthehole installation pivot of axle of body, its characterized in that: the outer peripheral surface of the outer shaft hole of the body and the inner end of the rotating shaft are respectively provided with a flange structure, the inner end of the rotating shaft is sleeved with a bearing seat, a ceramic bearing is arranged between the rotating shaft and the bearing seat, and the bearing seat is connected with the flange structure of the body through a bolt; a spring, a sealing ring and a floating ring are sequentially arranged between the bottom of the body and the inner end face of the rotating shaft, an annular groove is formed in the outer circumferential face of the sealing ring, an O-shaped ring is arranged in the groove, and the sealing ring and the floating ring and the inner end face of the rotating shaft are tightly attached and sealed through the pressure of the spring.
2. The rotary joint assembly according to claim 1, wherein: the outer end of the sealing ring is provided with an inner conical surface structure, and the floating ring is provided with an outer conical surface structure matched with the inner conical surface structure.
3. The rotary joint assembly according to claim 1, wherein: the material of the sealing ring is corrosion-resistant high-nickel cast iron.
4. The rotary joint assembly according to claim 1, wherein: the body is provided with a sight hole, and the sight hole corresponds to the floating ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120625963.6U CN214466859U (en) | 2021-03-29 | 2021-03-29 | Rotary joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120625963.6U CN214466859U (en) | 2021-03-29 | 2021-03-29 | Rotary joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214466859U true CN214466859U (en) | 2021-10-22 |
Family
ID=78175387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120625963.6U Expired - Fee Related CN214466859U (en) | 2021-03-29 | 2021-03-29 | Rotary joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214466859U (en) |
-
2021
- 2021-03-29 CN CN202120625963.6U patent/CN214466859U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205078455U (en) | Composite seal formula sediment stuff pump | |
| CN106369167A (en) | Integrated external spring compensation type mechanical sealing device | |
| CN214466859U (en) | Rotary joint device | |
| CN112856074A (en) | Rotary joint device | |
| CN108730225A (en) | A kind of non-contact chemical industry pump seal of modified | |
| CN108775406A (en) | High-performance nano coating corrugated tube valve special for chlorine | |
| CN103470800B (en) | High temperature high pressure ceramic valve | |
| CN1810380A (en) | Feeding pipe and shaft united sealing unit for mill | |
| CN205715677U (en) | A kind of nano-level grinder Bidirectional balance mechanical seal device | |
| CN201047350Y (en) | High-efficiency flue gas desulfurization recycle pump | |
| CN103851289B (en) | Large high-temperature chicksan | |
| CN207213232U (en) | A kind of ball valve | |
| CN206563077U (en) | Kettle side entering type mechanical seal | |
| CN205533398U (en) | Mechanical seal for slurry pump | |
| CN214222033U (en) | Wear-resistant ceramic round air door for material conveying | |
| CN208651923U (en) | A kind of annular disc water pipe rotary joint | |
| CN100487295C (en) | High pressure swivel joint | |
| CN214274556U (en) | On-line maintenance ball valve | |
| CN216078281U (en) | Mixer axle head exempts from oil seal structure | |
| CN204403632U (en) | Contact-type joint seal arrangement | |
| CN206320300U (en) | Integrated external spring compensation type mechanical seal device | |
| CN215445049U (en) | Speed reducer shaft sealing device | |
| CN212121663U (en) | Metal powder ball mill | |
| CN213392885U (en) | Water supply pump balancing device | |
| CN215488225U (en) | Novel water-gas transmission device for blanking pipe of stacker-reclaimer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |