CN206943651U - High performance multi-channel water swivel joint - Google Patents
High performance multi-channel water swivel joint Download PDFInfo
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- CN206943651U CN206943651U CN201720622274.3U CN201720622274U CN206943651U CN 206943651 U CN206943651 U CN 206943651U CN 201720622274 U CN201720622274 U CN 201720622274U CN 206943651 U CN206943651 U CN 206943651U
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- floating ring
- ring
- backwater
- channel
- rotating shaft
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Abstract
The utility model discloses a kind of high performance multi-channel water swivel joint, and using two-stage non-contacting seal, first order sealing uses clearance seal, and second level sealing uses lip packing；The gap of first order clearance seal refers to the gap between floating ring and rotating shaft, part aqueous medium into the minim gap between rotating shaft and floating ring and forms fluid film by throttle orifice, this layer fluid film has hydrostatic effects and dynamic pressure effect simultaneously, hydrostatic pressure effect plays a major role during low speed, and hydrodynamic effect plays a major role during high speed；Lip packing is sealed for implementing sealing to a small amount of aqueous medium of first order seal leakage as the second level, its sealing mechanism is from microcosmic, it is that interface forms continuous fluid lubricating film between sealing lip and rotating shaft, the fluid film separates sealing lip with rotating shaft, and suppressing medium by dynamic pressure pumping effect reveals.The utility model can implement effectively sealing to high-pressure medium；It is suitable for high working speed；Reduce the probability of wear out failure.
Description
Technical field
A kind of water swivel joint is the utility model is related to, more particularly to it is a kind of pure available for being conveyed for slewing
High-performance (high speed, high pressure, long-life) swivel joint of the aqueous mediums such as water, running water, coolant.
Background technology
When the equipment rotated or workbench need the various fluids such as Oil, Water, Gas and pressure medium, these are conveyed
The pipeline of fluid can not follow equipment to rotate together with, and have devised swivel joint at present to solve the problem.Swivel joint is
To the critical component of slewing trandfer fluid pressure medium, the medium flowed in static duct is connected in moving component by it
Portion, the equipment to operating, pipeline Transfer Medium should be ensured continuously, prevent fluid media (medium) from ganging up mutually, leaking again
Enter working media with external impurities.
The swivel joint of prior art is designed using contact seal mostly, i.e., using the crimp of potted component to pressure
Power media implements sealing, and this sealing structure has that moment of friction is big, seal is easy to wear, abrasive dust easily pollutes transmission medium etc.
Problem, especially easily occur wear out failure in high rotating speed or high pressure operating mode lower seal, swivel joint service life typically compared with
It is short.
Utility model content
The purpose of this utility model be that in order to the seal of conventional contact seal swivel joint it is easy to wear the problem of
And propose a kind of with high pressure, high rotating speed, the high performance multi-channel water swivel joint of long-life.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of high performance multi-channel water swivel joint, including the shell of tubular structure, floating ring and it is placed on the floating
Rotating shaft in ring, fore bearing, rear bearing, the floating ring, two sealing ring groups and two axles gears are provided with the shell
Circle, the rotating shaft are supported in the shell by the fore bearing and the rear bearing, and the floating ring is provided with inhalant region
And backwater zone, the inhalant region and the backwater zone are to be arranged circumferentially the circular groove structure in the floating ring outer ring surface,
It is provided with some O-ring seals between the shell and the floating ring, the two of the both sides of the inhalant region and the backwater zone
Side is arranged with the O-ring seal, and two bearings are between two shaft block rings, two sealing ring groups
Between the fore bearing and the rear bearing, the floating ring is between the sealing ring group, the sealing ring group bag
Lip-type packing and two hole back-up rings are included, the lip-type packing is between two hole back-up rings；
The rotating shaft is provided with media transport path, and the media transport path includes interior intake tunnel, interior backwater channel
With two axial arranged water transport channels, the interior intake tunnel and the equal radial arrangement of interior backwater channel, the interior water inlet
Passage communicates with the inhalant region, and the interior backwater channel communicates with the backwater zone, the interior intake tunnel with wherein one
Water transport channel connection, the interior backwater channel connect with an other water transport channel, the rotating shaft and floating ring
Inner surface coordinates for gap；
The floating ring is provided with some throttle orifices, some central water flow passages, the inhalant region and the backwater zone, institute
State throttle orifice and the equal radial arrangement of the central water flow passage, one end and the inhalant region of a part of central water flow passage
Connect and the other end inside the floating ring with connecting, one end of central water flow passage described in another part connects with the backwater zone
The logical and other end connects with floating ring inside, a part of throttle orifice connected with the inhalant region and another part described in
Throttle orifice is connected with the backwater zone, and the throttle orifice is connected by a macropore and one with the aperture connected inside the floating ring
Connect and form, the both ends of the floating ring are provided with rhone；
The shell is provided with outer intake tunnel, outer backwater channel, drainage gallery and use for discharging interior leakage medium
In the drain port that medium is revealed in discharge, the outer intake tunnel and the equal radial arrangement of outer backwater channel, the drain port and institute
Drainage gallery connection is stated, the screw thread being connected with peripheral hardware pipeline, institute are provided with the outer intake tunnel and the backwater channel
State outer intake tunnel to connect with the inhalant region, the backwater channel connects with the backwater zone.
As a kind of technical scheme of this patent selection, the rotating shaft is provided with the flange for being connected with external equipment.
As a kind of technical scheme of this patent selection, the rotating shaft is multi-diameter shaft, and the floating ring is enclosed on the rotating shaft
Wherein on one section of radial direction external cylindrical surface.
As a kind of technical scheme of this patent selection, some throttle orifices and some central water flow passages exist
Circumferentially disposed at multiple circumference of the floating ring, three annular grooves have been arranged side by side in the inner ring surface of the floating ring, both sides
The annular groove communicates with the inhalant region and the backwater zone respectively.
As a kind of technical scheme of this patent selection, the lateral wall of the shell is provided with the spiral shell for installing anti-bull stick
Hole.
As a kind of technical scheme of this patent selection, the inner surface setting of the shell has for installing the hole gear
The groove of circle and the groove for installing the O-ring seal.
As a kind of technical scheme of this patent selection, the drainage gallery is provided with the end for leading to the outer side wall
Mouthful and lead to the port of the shell end face, be provided with plug screw in two ports of the drainage gallery.
The beneficial effects of the utility model are：
1) being sealed by two-stage, first order clearance seal is primary seal, can bear tens of MPa pressure medium, and
Secondary seal can seal the medium on a small quantity by first of seal leakage completely, and working pressure range is very big, can be to height
Press medium to implement effectively sealing, there is high-voltage performance；
2) there was only fluid viscosity friction between movement parts and static element, contacted without rigid solid phase, be suitable for high work
Make rotating speed, there is high speed performance；
3) it is contactless, moment of friction very little and not easy to wear between movement parts and static element, is not in abrasive dust
The problem of polluting transmission medium, the probability of wear out failure is reduced, the performance with the long-life.
Brief description of the drawings
Fig. 1 is the main cross section structure diagram of high performance multi-channel water swivel joint described in the utility model；
Fig. 2 is the right side structural representation of high performance multi-channel water swivel joint described in the utility model；
Fig. 3 be in Fig. 2 A-A to cross section structure diagram；
Fig. 4 is the cross section structure diagram of rotating shaft described in the utility model；
Fig. 5 is the cross section structure diagram of floating ring described in the utility model；
Fig. 6 is the partial enlarged drawing at A in the utility model Fig. 5；
Fig. 7 is the main cross section structure diagram of shell described in the utility model；
Fig. 8 is the right side structural representation of shell described in the utility model；
Fig. 9 is the cross section structure diagram of B-B direction in Fig. 8；
In figure：1- rotating shafts, 2- fore bearings, 3- lip-type packings, 4- floating rings, 5- shells, 6-O type sealing rings, 7- holes are used
Back-up ring, bearing after 8-, 9- shaft block rings, 10- plug screws, 11- flanges, intake tunnel in 12-, 13- water transport channels, 14- footpaths are outside
The face of cylinder, backwater channel in 15-, 41- throttle orifices, 42- central water flow passages, 43- annular grooves, 44- rhones, 45- inhalant regions,
46- backwater zones, 51- screws, the outer intake tunnels of 52-, the outer backwater channels of 53-, 54- grooves, 55- grooves, 56- drainage galleries, 57-
Drain port.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, the utility model includes tubular structure
Shell 5, floating ring 4 and the rotating shaft 1 being placed in floating ring 4, fore bearing 2, rear bearing 8, floating ring 4, two are provided with shell 5
Sealing ring group and two shaft block rings 9, rotating shaft 1 are supported in shell 5 by fore bearing 2 and rear bearing 8, and floating ring 4 is provided with
Inhalant region 45 and backwater zone 46, inhalant region 45 and backwater zone 46 are to be arranged circumferentially the annular groove knot in the outer ring surface of floating ring 4
Structure, is provided with some O-ring seals 6 between shell 5 and floating ring 4, the both sides of inhalant region 45 and the both sides of backwater zone 46 are uniform
O-ring seal 6 is equipped with, for two bearings between two shaft block rings 9, two sealing ring groups are located at fore bearing 2 and rear bearing 8
Between, for floating ring 4 between sealing ring group, sealing ring group includes lip-type packing 3 and two hole back-up rings 7, lip packing
For circle 3 positioned at two holes between back-up ring 7, floating ring 4 passes through the hole axial limiting of back-up ring 7；
Rotating shaft 1 is provided with media transport path, and media transport path includes interior intake tunnel 12, interior backwater channel 15 and axle
To two water transport channels 13 of arrangement, 15 equal radial arrangement of interior intake tunnel 12 and interior backwater channel, interior intake tunnel 12 is with entering
Pool 45 communicates, and interior backwater channel 15 communicates with backwater zone 46, and interior intake tunnel 12 connects with a wherein water transport channel 13, interior
Backwater channel 15 connects with an other water transport channel 13, and rotating shaft 1 and the inner surface of floating ring 4 coordinate for gap；
Floating ring 4 is provided with some throttle orifices 41, some central water flow passages 42, inhalant region 45 and backwater zone 46, throttling
42 equal radial arrangement of hole 41 and central water flow passage, one end of a part of central water flow passage 42 connect and another with inhalant region 45
End connects with the inside of floating ring 4, and one end of another part central water flow passage 42 is connected with backwater zone 46 and the other end and floating
The inside of ring 4 connects, and a part of throttle orifice 41 connects with inhalant region 45 and another part throttle orifice 41 connects with backwater zone 46, throttling
Hole 41 is formed by connecting by a macropore and an aperture connected with the inside of floating ring 4, and the both ends of floating ring 4 are provided with draining
Groove 44；
Shell 5 is provided with outer intake tunnel 52, outer backwater channel 53, the and of drainage gallery 56 for discharging interior leakage medium
For discharging the drain port 57 of interior leakage medium, 53 equal radial arrangement of outer intake tunnel 52 and outer backwater channel, drain port 57 is with sluicing
Passage 56 is connected, and the screw thread being connected with peripheral hardware pipeline, outer intake tunnel 52 are provided with outer intake tunnel 52 and backwater channel
Connected with inhalant region 45, backwater channel connects with backwater zone 46.
Aqueous medium passes sequentially through the outer intake tunnel 52 on shell 5, the central water flow passage 42 on floating ring 4, in rotating shaft 1
Interior intake tunnel 12 and connected water transport channel 13 be delivered to external equipment；Press water enters rotating shaft by throttle orifice 41
Minim gap between 1 and floating ring 4 simultaneously forms fluid film, so as to prevent that direct hard contact rubs between rotating shaft 1 and floating ring 4
Wipe.Fluid film between floating ring 4 and rotating shaft 1 is first order clearance seal, is primary seal, can bear tens of MPa medium
Pressure；Lip-type packing 3 seals for the second level, will can be sealed completely from the aqueous medium of first order clearance seal leakage on a small quantity.
There was only fluid viscosity friction between rotating shaft 1 (movement parts) and floating ring 4 (static element), contacted without rigid solid phase, be suitable for pole
High working speed.Rotating shaft 1 (movement parts) and the moment of friction very little of floating ring 4 (static element), significantly reduce abrasion and lose
The probability of effect, there is the performance of long-life.
As a kind of technical scheme of this patent selection, rotating shaft 1 is provided with the flange 11 for being connected with external equipment.
As a kind of technical scheme of this patent selection, rotating shaft 1 is multi-diameter shaft, and floating ring 4 is enclosed on wherein one section of rotating shaft 1
On radial direction external cylindrical surface 14.
As a kind of technical scheme of this patent selection, some throttle orifices 41 and some central water flow passages 42 are floating
Circumferentially disposed at multiple circumference of ring 4, three annular grooves 43, the annular groove 43 of both sides has been arranged side by side in the inner ring surface of floating ring 4
Communicated respectively with inhalant region 45 and backwater zone 46.
As a kind of technical scheme of this patent selection, the lateral wall of shell 5 is provided with the screw for installing anti-bull stick
51。
As a kind of technical scheme of this patent selection, the inner surface setting of shell 5 has the ditch for mounting hole back-up ring 7
Groove 55 and the groove 54 for mounting O-shaped sealing ring 6.
As this patent selection a kind of technical scheme, drainage gallery 56 be provided with lead to the lateral wall of shell 5 port and
Lead to the port of the end face of shell 5, plug screw 10 is provided with two ports of drainage gallery 56.
O-ring seal 6, lip-type packing 3, hole back-up ring 7, shaft block ring 9, bearing and plug screw 10 etc. are general purpose accessory,
It can be chosen according to relevant criterion.
High performance multi-channel water swivel joint described in the utility model, thought using the technology of two-stage non-contacting seal
Road, first order sealing use clearance seal, and the second level uses lip packing.It is different from general clearance seal, the utility model
Designed by clearance sealing structure, part sealing medium is introduced into seal interface from axially and radially both direction simultaneously forms stream
Body film so that fluid film has hydrostatic effects and dynamic pressure effect simultaneously, on the basis of general clearance seal only has dynamic pressure effect
Add hydrostatic effects, hydrostatic pressure effect plays a major role during low speed, and hydrodynamic effect plays a major role during high speed, rotates
Joint is respectively provided with larger bearing capacity under different rotating speeds and pressure, it is ensured that is in contactless state between quiet, moving part all the time.Lip
Shape is sealed for implementing sealing to a small amount of medium of first order seal leakage, and its sealing mechanism is to seal from microcosmic
Interface forms continuous fluid lubricating film between lip and rotating shaft, and sealing lip is separated, imitated by dynamic pressure pumping by the fluid film with rotating shaft
Medium leakage should be suppressed, there is very long service life.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
In the range of shield.
Claims (7)
- A kind of 1. high performance multi-channel water swivel joint, it is characterised in that：Shell, floating ring including tubular structure and it is placed on Rotating shaft in the floating ring, fore bearing, rear bearing, the floating ring, two sealing ring groups and two are provided with the shell Individual shaft block ring, the rotating shaft are supported in the shell by the fore bearing and the rear bearing, and the floating ring is set There are inhalant region and backwater zone, the inhalant region and the backwater zone are to be arranged circumferentially in the annular recessed of the floating ring outer ring surface Slot structure, some O-ring seals, the both sides of the inhalant region and the backwater are provided between the shell and the floating ring The both sides in area are arranged with the O-ring seal, and for two bearings between two shaft block rings, two described close Seal group is located between the fore bearing and the rear bearing, and the floating ring is between the sealing ring group, the sealing Circle group includes lip-type packing and two hole back-up rings, and the lip-type packing is between two hole back-up rings；The rotating shaft is provided with media transport path, and the media transport path includes interior intake tunnel, interior backwater channel and axle To two water transport channels of arrangement, the interior intake tunnel and the equal radial arrangement of interior backwater channel, the interior intake tunnel Communicated with the inhalant region, the interior backwater channel communicates with the backwater zone, the interior intake tunnel with wherein described in one Water transport channel connects, and the interior backwater channel connects with an other water transport channel, the interior table of the rotating shaft and floating ring Face coordinates for gap；The floating ring is provided with some throttle orifices, some central water flow passages, the inhalant region and the backwater zone, the section Discharge orifice and the equal radial arrangement of the central water flow passage, one end of a part of central water flow passage connect with the inhalant region And connected inside the other end and the floating ring, one end of central water flow passage described in another part connected with the backwater zone and Connect inside the other end and the floating ring, a part of throttle orifice connected with the inhalant region and another part described in throttle Hole connects with the backwater zone, the throttle orifice be connected with the aperture of connection inside the floating ring by a macropore and one and Into the both ends of the floating ring are provided with rhone；The shell is provided with outer intake tunnel, outer backwater channel, for discharging the interior drainage gallery for revealing medium and for arranging Go out the drain port of interior leakage medium, the outer intake tunnel and the equal radial arrangement of outer backwater channel, the drain port are let out with described Aquaporin is connected, and the screw thread being connected with peripheral hardware pipeline is provided with the outer intake tunnel and the backwater channel, described outer Intake tunnel connects with the inhalant region, and the backwater channel connects with the backwater zone.
- 2. high performance multi-channel water swivel joint according to claim 1, it is characterised in that：The rotating shaft is provided with use In the flange being connected with external equipment.
- 3. high performance multi-channel water swivel joint according to claim 1, it is characterised in that：The rotating shaft is ladder Axle, the floating ring are enclosed on wherein on one section of radial direction external cylindrical surface of the rotating shaft.
- 4. high performance multi-channel water swivel joint according to claim 1, it is characterised in that：Some throttle orifices and Some central water flow passages are circumferentially disposed at multiple circumference of the floating ring, and the inner ring surface of the floating ring is side by side Three annular grooves are provided with, the annular groove of both sides communicates with the inhalant region and the backwater zone respectively.
- 5. high performance multi-channel water swivel joint according to claim 1, it is characterised in that：The lateral wall of the shell It is provided with the screw for installing anti-bull stick.
- 6. high performance multi-channel water swivel joint according to claim 1, it is characterised in that：The inner surface of the shell It is provided with the groove for installing the hole back-up ring and the groove for installing the O-ring seal.
- 7. high performance multi-channel water swivel joint according to claim 1, it is characterised in that：The drainage gallery is set There are a port for leading to the outer side wall and the port for leading to the shell end face, in two ports of the drainage gallery It is provided with plug screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622274.3U CN206943651U (en) | 2017-05-31 | 2017-05-31 | High performance multi-channel water swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622274.3U CN206943651U (en) | 2017-05-31 | 2017-05-31 | High performance multi-channel water swivel joint |
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| Publication Number | Publication Date |
|---|---|
| CN206943651U true CN206943651U (en) | 2018-01-30 |
Family
ID=61363389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720622274.3U Active CN206943651U (en) | 2017-05-31 | 2017-05-31 | High performance multi-channel water swivel joint |
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| Country | Link |
|---|---|
| CN (1) | CN206943651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775461A (en) * | 2018-08-01 | 2018-11-09 | 湖南海润电气有限公司 | A kind of annular disc water pipe rotary joint |
-
2017
- 2017-05-31 CN CN201720622274.3U patent/CN206943651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775461A (en) * | 2018-08-01 | 2018-11-09 | 湖南海润电气有限公司 | A kind of annular disc water pipe rotary joint |
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