CN102359681A - Double-end face integrated rotary joint - Google Patents
Double-end face integrated rotary joint Download PDFInfo
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- CN102359681A CN102359681A CN2011103134199A CN201110313419A CN102359681A CN 102359681 A CN102359681 A CN 102359681A CN 2011103134199 A CN2011103134199 A CN 2011103134199A CN 201110313419 A CN201110313419 A CN 201110313419A CN 102359681 A CN102359681 A CN 102359681A
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Abstract
The invention relates to a double-end face integrated rotary joint which comprises a case and a tail cap, wherein a rotary shaft is rotatablely supported in the case, an axial central hole and a circle of axial through holes surrounding the central hole are formed in the rotary shaft, and an outer moving ring and an inner moving ring are fixed on the inner end face of the rotary shaft; the inner end face of the tail cap is provided with an axial blind hole and a ring groove at the outer side of the blind hole; an outer stationary ring and an inner stationary ring which are in dynamic seal fit with the outer moving ring and the inner moving ring are mounted in the ring groove; a clearance is provided between the outer stationary ring and the inner stationary ring; and an inner passage interface in communication with the blind hole and an outer passage interface in communication with the clearance are respectively formed on the side wall of the tail cap. The double-end face integrated rotary joint provided by the invention is characterized in that the inner tube and outer tube of the existing double-flow rotary joint are integrated into a one-piece rotary shaft, and the angular velocities of the inner tube and outer tube are equal; and the outer stationary ring and the outer moving ring as well as the inner stationary ring and the inner moving ring form a double-end face sealing, so that the two passages have stable and balanced air pressure.
Description
Technical field
The invention belongs to the mechanical sealing technology field, relate to and be used for flowing medium and be input to the dynamic seal apparatus of rotating equipment, specifically a kind of Double End integral type swivel joint from static pipeline.
Background technique
Swivel joint is that flowing medium is input to the dynamic seal apparatus the rotating equipment from static pipeline, is to solve run, drip, leak, and energy saving, the protection environment, requisite mechanical seal basis critical component improves working conditions.
Swivel joint can be divided into single circulation type and two circulation type.Existing pair of circulation type is that mechanical single seal adds interior pipe or the rotatable interior pipe that can fix, and inner and outer pipes is split type.Different and the binary channel air pressure of inner and outer pipes angular velocity is uneven during rotation, can not be applicable to that automobile tire does in the pipe-line system that the air pressure dynamic balancing detects.
Summary of the invention
The present invention is directed to the deficiency of above-mentioned existing technology, a kind of Double End integral type swivel joint is provided, the inner and outer pipes angular velocity of this swivel joint is consistent, can guarantee the air pressure balance of binary channel.
According to technological scheme provided by the invention: a kind of Double End integral type swivel joint; Comprise hollow housing; One end of said housing is fixed with tail-hood; Rotatably mounted in the said housing have a running shaft, and said running shaft stretches out from the other end of said housing, has an axial center hole and the circle axial hole around said center hole on the said running shaft; Be fixed with outer rotating ring and interior rotating ring on the interior edge face of said running shaft, said outer rotating ring and said interior rotating ring lay respectively at the outside and the inboard of a said ring through hole; The interior edge face of said tail-hood is provided with axial blind hole and is positioned at the annular groove in the said blind hole outside; The outer stationary ring and the interior stationary ring that cooperate with said outer rotating ring and said interior rotating ring motive sealing are installed in the said annular groove; Be provided with the gap between said outer stationary ring and the said interior stationary ring, have inner gateway interface that communicates with said blind hole and the outer path interface that communicates with said gap on the sidewall of said tail-hood.
Said outer stationary ring cooperates with the outer wall slipper seal of said annular groove, between said outer stationary ring and the said tail-hood wavy spring is installed; Stationary ring cooperates with the inwall slipper seal of said annular groove in said, between said interior stationary ring and the said tail-hood spring is installed.
The inwall of said annular groove is made up of the spring guide that is a tight fit in the axial hollow in the said blind hole.
The outer wall of said spring guide is provided with protruding key, is provided with the notch that matches with said protruding key in the endoporus of said interior stationary ring.
Between said outer stationary ring and the housing spline pin is installed.
The shaft part that said running shaft is positioned at said hull outside is provided with flange, has the radial hole that communicates with said through hole on the sidewall of said flange, on the said radial hole plug screw is installed.
O shape circle is installed on the outside end face of said flange.
The end face center, the outside of said flange is provided with boss, on the end face of said boss sealing gasket is installed.
Compared with present technology the present invention has the following advantages: the running shaft that the present invention becomes one the interior pipe and the outer tube of existing pair of circulation type swivel joint, inner and outer pipes angular velocity different problems when having solved rotation; Outer stationary ring constitutes double seals with outer rotating ring, interior stationary ring and interior rotating ring, has solved binary channel stable gas pressure equilibrium problem.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the right elevation of Fig. 1.
Embodiment
Embodiment below in conjunction with in the accompanying drawing is further described the present invention.
Among Fig. 1, Fig. 2, comprise that sealing gasket 1, O shape circle 2, running shaft 3, plug screw 4, hole are with back-up ring 5, bearing 6, spacer 7, housing 8, shaft block ring 9, outer rotating ring 10, spring washer 11, hexagon socket cap head screw 12, spline pin 13, interior rotating ring 14, wavy spring 15, O shape circle 16, tail-hood 17, outer stationary ring 18, spring 19, O shape circle 20, spring guide 21, interior stationary ring 22, O shape circle 23, spring washer 24, hexagon socket head cap screw 25, lubricating cup 26, radial hole 27, inner gateway interface 28, annular groove 29, blind hole 30, through hole 31, center hole 32, outer path interface 33, gap 34, flange 35, boss 36 etc.
As shown in Figure 1, the present invention is a kind of Double End integral type swivel joint, comprises hollow housing 8, and an end of housing 8 is processed with interior step, and tail-hood 17 is anchored on the interior step of housing 8 through hexagon socket head cap screw 25 and spring washer 24.
Through two bearings 6 are rotatably mounted running shaft 3 arranged in the housing 8, running shaft 3 stretches out from the other end of housing 8.Between two bearings 6 chuck 7 is housed, in the housing 8 at fore bearing 6 places, the hole is housed, on the running shaft 3 at rear bearing 6 places, shaft block ring 9 is housed with back-up ring 5.Lubricating cup 26 between two bearings 6 is housed on housing 8 cylindricals.
Have an axial center hole 32 and a circle axial hole 31 on the running shaft 3 around center hole 32, pipe effect in axial center hole 32 plays, a circle axial hole 31 plays the outer tube effect, pipe and outer tube in integrating.Be processed with inside and outside step on the interior edge face of running shaft 3, form Double End.Inside and outside step lays respectively at the inboard and the outside of a ring through hole 31, on above-mentioned inside and outside step end face, being equipped with respectively rotating ring 14 with outside rotating ring 10.
The shaft part that running shaft 3 is positioned at housing 8 outsides is provided with flange 35, has bolt hole on the end face of flange 35.The end face center, the outside of flange 35 is provided with boss 36, and sealing gasket 1 is installed on the end face of boss 36.O shape circle 2 is installed on the outside end face of flange 35.Have the radial hole 27 that communicates with through hole 31 on the sidewall of flange 35, radial hole 27 connects usefulness in order to user's particular path, and the time spent is not equipped with plug screw 4 on radial hole 27.
The interior edge face of tail-hood 17 is provided with axial blind hole 30 and is positioned at the annular groove 29 in blind hole 30 outsides, and the inwall of annular groove 29 is made up of the spring guide 21 that is a tight fit in the axial hollow in the blind hole 30, and O shape circle 20 is installed between spring guide 21 and the blind hole 30.The outer stationary ring 18 and the interior stationary ring 22 that cooperate with outer rotating ring 10 and interior rotating ring 14 motive sealings are installed in the annular groove 29; Be provided with gap 34 between outer stationary ring 18 and the interior stationary ring 22, have inner gateway interface 28 that communicates with blind hole 30 and the outer path interface 33 that communicates with gap 34 on the sidewall of tail-hood 17.Outer path interface 33, gap 34, through hole 31 constitute a path, and inner gateway interface 28, blind hole 30, center hole 32 constitute another paths.
Outer stationary ring 18 cooperates with the outer wall slipper seal of annular groove 29, and O shape circle 16 is installed on the outer wall of annular groove 29, between outer stationary ring 18 steps and the tail-hood 17 wavy spring 15 is installed.Between outer stationary ring 18 and the housing 8 spline pin 13 is installed, in case outer stationary ring 18 rotates.Spline pin 13 is connected by hexagon socket cap head screw 12, and hexagon socket cap head screw 12 holddown spring packing rings 11 are with anti-loosening.
The inwall of interior stationary ring 22 and annular groove 29, promptly slipper seal cooperates between the spring guide 21, and interior stationary ring 22 endoporus are equipped with O shape circle 23.The outer wall of spring guide 21 is provided with symmetrical protruding key, is provided with the symmetrical notch that matches with symmetrical protruding key in the endoporus of interior stationary ring 22, with the symmetrical protruding key on the symmetrical notch alignment springs guide rod 21 on the interior stationary ring 22, with rotation inhibiting.Between interior stationary ring 22 shoulders and the tail-hood 17 spring 19 is installed.
The running shaft 3 that the present invention becomes one the interior pipe and the outer tube of existing pair of circulation type swivel joint, inner and outer pipes angular velocity different problems when having solved rotation; Outer stationary ring 18 constitutes double sealss with outer rotating ring 10, interior stationary ring 22 with interior rotating ring 14, has solved binary channel stable gas pressure equilibrium problem, can be applicable to that automobile tire does in the pipe-line system of air pressure dynamic balancing detection; Binary channel air inlet simultaneously or give vent to anger also can be given vent to anger in one tunnel air inlet one road, and is easy to use and Placement is various.
Claims (8)
1. Double End integral type swivel joint; Comprise hollow housing (8); It is characterized in that: an end of said housing (8) is fixed with tail-hood (17); Rotatably mounted in the said housing (8) have a running shaft (3), and said running shaft (3) stretches out from the other end of said housing (8), has an axial center hole (32) and the circle axial hole (31) around said center hole (32) on the said running shaft (3); Be fixed with outer rotating ring (10) and interior rotating ring (14) on the interior edge face of said running shaft (3), said outer rotating ring (10) and said interior rotating ring (14) lay respectively at the outside and the inboard of a said ring through hole (31); The interior edge face of said tail-hood (17) is provided with axial blind hole (30) and is positioned at the annular groove (29) in said blind hole (30) outside; The outer stationary ring (18) and the interior stationary ring (22) that cooperate with said outer rotating ring (10) and said interior rotating ring (14) motive sealing are installed in the said annular groove (29); Be provided with gap (34) between said outer stationary ring (18) and the said interior stationary ring (22), have inner gateway interface (28) that communicates with said blind hole (30) and the outer path interface (33) that communicates with said gap (34) on the sidewall of said tail-hood (17).
2. according to the described Double End integral type of claim 1 swivel joint; It is characterized in that: said outer stationary ring (18) cooperates with the outer wall slipper seal of said annular groove (29), between said outer stationary ring (18) and the said tail-hood (17) wavy spring (15) is installed; Stationary ring (22) cooperates with the inwall slipper seal of said annular groove (29) in said, between said interior stationary ring (22) and the said tail-hood (17) spring (19) is installed.
3. according to the described Double End integral type of claim 2 swivel joint, it is characterized in that: the inwall of said annular groove (29) is made up of the spring guide (21) that is a tight fit in the axial hollow in the said blind hole (30).
4. according to the described Double End integral type of claim 3 swivel joint, it is characterized in that: the outer wall of said spring guide (21) is provided with protruding key, is provided with the notch that matches with said protruding key in the endoporus of said interior stationary ring (22).
5. according to the described Double End integral type of claim 1 swivel joint, it is characterized in that: between said outer stationary ring (18) and the housing (8) spline pin (13) is installed.
6. according to the described Double End integral type of claim 1 swivel joint; It is characterized in that: the shaft part that said running shaft (3) is positioned at said housing (8) outside is provided with flange (35); Have the radial hole (27) that communicates with said through hole (31) on the sidewall of said flange (35), plug screw (4) is installed on the said radial hole (27).
7. according to the described Double End integral type of claim 6 swivel joint, it is characterized in that: O shape circle (2) is installed on the outside end face of said flange (35).
8. according to the described Double End integral type of claim 6 swivel joint, it is characterized in that: the end face center, the outside of said flange (35) is provided with boss (36), and sealing gasket (1) is installed on the end face of said boss (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103134199A CN102359681A (en) | 2011-10-15 | 2011-10-15 | Double-end face integrated rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103134199A CN102359681A (en) | 2011-10-15 | 2011-10-15 | Double-end face integrated rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102359681A true CN102359681A (en) | 2012-02-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103134199A Pending CN102359681A (en) | 2011-10-15 | 2011-10-15 | Double-end face integrated rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102359681A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557390A (en) * | 2013-11-19 | 2014-02-05 | 无锡市艾可密封技术有限公司 | High-speed heat transfer oil rotating joint |
| CN109973741A (en) * | 2019-04-28 | 2019-07-05 | 南京大地水刀股份有限公司 | A kind of ultra-high pressure high flow rotary joint |
| CN114962826A (en) * | 2022-06-16 | 2022-08-30 | 中海石油(中国)有限公司 | Underwater hydraulic loading telescopic connector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH246520A (en) * | 1945-10-05 | 1947-01-15 | Theodor Bell & Cie Ag | Head for the supply and discharge of heating or cooling media to rotating cylinders. |
| US5022686A (en) * | 1988-11-11 | 1991-06-11 | Ott Maschinentechnik Gmbh | Rotating union for two different fluids |
| CN201866444U (en) * | 2010-11-25 | 2011-06-15 | 浙江柏润液压有限公司 | High-pressure double-channel rotating joint |
| CN202302440U (en) * | 2011-10-15 | 2012-07-04 | 江苏腾旋科技股份有限公司 | Double-face integrated rotary joint |
-
2011
- 2011-10-15 CN CN2011103134199A patent/CN102359681A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH246520A (en) * | 1945-10-05 | 1947-01-15 | Theodor Bell & Cie Ag | Head for the supply and discharge of heating or cooling media to rotating cylinders. |
| US5022686A (en) * | 1988-11-11 | 1991-06-11 | Ott Maschinentechnik Gmbh | Rotating union for two different fluids |
| CN201866444U (en) * | 2010-11-25 | 2011-06-15 | 浙江柏润液压有限公司 | High-pressure double-channel rotating joint |
| CN202302440U (en) * | 2011-10-15 | 2012-07-04 | 江苏腾旋科技股份有限公司 | Double-face integrated rotary joint |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557390A (en) * | 2013-11-19 | 2014-02-05 | 无锡市艾可密封技术有限公司 | High-speed heat transfer oil rotating joint |
| CN103557390B (en) * | 2013-11-19 | 2016-03-02 | 无锡市艾可密封技术有限公司 | High speed heat conducting oil rotary joint |
| CN109973741A (en) * | 2019-04-28 | 2019-07-05 | 南京大地水刀股份有限公司 | A kind of ultra-high pressure high flow rotary joint |
| CN109973741B (en) * | 2019-04-28 | 2024-06-07 | 南京大地水刀股份有限公司 | Ultrahigh-pressure high-flow rotary joint |
| CN114962826A (en) * | 2022-06-16 | 2022-08-30 | 中海石油(中国)有限公司 | Underwater hydraulic loading telescopic connector |
| CN114962826B (en) * | 2022-06-16 | 2024-03-08 | 中海石油(中国)有限公司 | Underwater hydraulic loading telescopic connector |
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Application publication date: 20120222 |