CN101403456B - High-pressure high-rotation speed rotary connector - Google Patents
High-pressure high-rotation speed rotary connector Download PDFInfo
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- CN101403456B CN101403456B CN2008102348165A CN200810234816A CN101403456B CN 101403456 B CN101403456 B CN 101403456B CN 2008102348165 A CN2008102348165 A CN 2008102348165A CN 200810234816 A CN200810234816 A CN 200810234816A CN 101403456 B CN101403456 B CN 101403456B
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- outer tube
- wear
- seal ring
- resistant seal
- stationary seat
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Abstract
The invention relates to a high-pressure and high rotating speed rotary joint; a tailhood is connected with one end part of an axial hollow shell; an axial inner hole of the shell is internally connected with a rotary outer tube in a rotating way; the outer wall of the rotary outer tube which extends in the shell is connected with an inner bearing and an outer bearing in a sleeve way, which are arranged at an interval; an oil nozzle is arranged on the shell; the rotary outer tube is connected in the shell in a rotating way; an separation sheath is arranged between the inner bearing and the side wall of the outer bearing; a retaining ring used for a hole is arranged an the inner wall of the shell; a static ring seat is arranged in the tailhood; the inner end part of the static ring seat and the inner end part of the rotary outer tube are arranged at the interval; a first wear resistant sealing ring and a second wear resistant sealing ring with the end surfaces support each other, are arranged between the static ring seat and the inner end part of the rotary outer tube; the first wear resistant sealing ring is arranged on the inner step of the static ring seat while the second wear resistant sealing ring is arranged on the inner step of the rotary outer tube; and the elastic compensation devices of the first wear resistant sealing ring and the second wear resistant sealing ring are arranged between the tailhood and the shell. The rotary joint not only can work under high pressure, but also can work under high speed and can greatly prolong the service life; and the sealing parts thereof are not leaked.
Description
Technical field
The present invention relates to a kind of high pressure, high-rotation speed rotary connector, specifically be used for flowing medium and be input to the connection sealed member of lathe or equipment high speed running shaft, belong to the mechanical sealing technology field from static pipeline.
Background technique
To be flowing medium (Oil, Water, Gas etc.) be input to the connection sealed member of running shaft the equipment from static pipeline with swivel joint, is the seal arrangement that solves run, drip, leak, energy saving, protection environment, improves working conditions.Normally used high pressure swivel joint housing mainly adopts overall structure, has certain degree of difficulty aspect manufacturing, assembling, the maintenance.In addition, original structure has limited the raising of rotating speed under high-pressure state.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, providing a kind of can work under high rotating speed again under high pressure, and Sealing does not leak, and the high pressure, the high-rotation speed rotary connector that prolong working life.
According to technological scheme provided by the invention, described high pressure, high-rotation speed rotary connector, be included in axial hollow housing one end and be connected with tail-hood, offer feed pathway in the tail-hood, be rotatably connected to the rotation outer tube in the axial bore of housing, offer liquid outlet channel in the rotation outer tube, stretch into and be socketed with inner bearing and the outer bearing that is provided with at interval on the rotation outer tube outer wall in the housing, on housing, be provided with oil nozzle, the rotation outer tube is rotatably connected in the housing by inner bearing and outer bearing, be provided with the spacer that is socketed on the rotation outer tube between inner bearing and the outer bearing sidewall, inner walls in the outer bearing outside is provided with the hole back-up ring, rotation outer tube inner end is provided with shaft block ring, on shaft block ring, be socketed with the wavy spring pad, between wavy spring pad and inner bearing madial wall, be provided with plain washer, in tail-hood, be provided with stationary seat in axial sliding, offer transition passage in the stationary seat, the inner end of stationary seat is provided with at interval with rotation outer tube inner end, and between the inner end of stationary seat and rotation outer tube, be provided with the first wear-resistant seal ring and the second wear-resistant seal ring that end face offsets, the first wear-resistant seal ring is contained on the interior step of stationary seat, the second wear-resistant seal ring is contained on the interior step of rotation outer tube, is provided with the elastic compensating device of the first wear-resistant seal ring and the second wear-resistant seal ring between tail-hood and housing.
Described elastic compensating device comprises the spring positioning plate that is socketed in outside the stationary seat, and the spring positioning plate is provided with the plurality of elastic straight pin, and stationary seat one end face is provided with some counterbalance springs that are against on the stationary seat.Outside stationary seat, be socketed with the O type circle and the tetrafluoro packing ring that are used to seal.On the rotation outer tube of hull outside, be socketed with the 2nd O type circle.
The present invention is simple and reasonable for structure, easy to installation and maintenance; Combined shell is easy to manufacture, and assembling is simple, and cost reduces; Adopt the balanced type plane sealing, working speed is high more, and sealing surface surface friction drag is more little; Outer tube is supported on two high-speed bearings, guaranteed coaxality, has reached steadily, high pressure, effect at a high speed; Seal ring has adopted extremely wear-resisting high-hardness tungsten carbide, has prolonged working life greatly.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in the figure: high pressure of the present invention, high-rotation speed rotary connector mainly are made up of with back-up ring 18, rotation outer tube 19, the 2nd O type circle 20 and the second wear-resistant seal ring 21 etc. tail-hood 1, an O type circle 2, tetrafluoro packing ring 3, stationary seat 4, spring positioning plate 5, counterbalance spring 6, set screw 7, elastic cylindrical pin 8, the first wear-resistant seal ring 9, housing 10, oil nozzle 11, wavy spring pad 12, plain washer 13, shaft block ring 14, inner bearing 15, spacer 16, outer bearing 17, hole.
The present invention is connected with tail-hood 1 in axial hollow housing 10 1 ends, offer feed pathway in the tail-hood 1, be rotatably connected to rotation outer tube 19 in the axial bore of housing 10, offer liquid outlet channel in the rotation outer tube 19, stretch into and be socketed with the inner bearing 15 and outer bearing 17 that is provided with at interval on rotation outer tube 19 outer walls in the housing 10, on housing 10, be provided with oil nozzle 11, rotation outer tube 19 is rotatably connected in the housing 10 by inner bearing 15 and outer bearing 17, be provided with the spacer 16 that is socketed on the rotation outer tube 19 between inner bearing 15 and outer bearing 17 sidewalls, housing 10 inwalls in outer bearing 17 outsides are provided with hole back-up ring 18, rotation outer tube 19 inner ends are provided with shaft block ring 14, on shaft block ring 14, be socketed with wavy spring pad 12, between wavy spring pad 12 and inner bearing 15 madial walls, be provided with plain washer 13, in tail-hood 1, be provided with stationary seat 4 in axial sliding, offer transition passage in the stationary seat 4, the inner end of stationary seat 4 is provided with at interval with rotation outer tube 19 inner ends, and between the inner end of stationary seat 4 and rotation outer tube 19, be provided with the first wear-resistant seal ring 9 and the second wear-resistant seal ring 24 that end face offsets, the first wear-resistant seal ring 9 is installed on the interior step of stationary seat 4, the second wear-resistant seal ring 24 is installed on the interior step of rotation outer tube 19, the opposing end surface of the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21 offsets, and is provided with the elastic compensating device of the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21 between tail-hood 1 and housing 10.
Described elastic compensating device comprises the spring positioning plate 5 that is socketed in outside the stationary seat 4, and spring positioning plate 5 is provided with plurality of elastic straight pin 8, and stationary seat 4 one end faces are provided with some counterbalance springs 6 that are against on the stationary seat 4.Outside stationary seat 4, be socketed with an O type circle 2 and tetrafluoro packing ring 3 that is used to seal.On the rotation outer tube 19 in housing 10 outsides, be socketed with the 2nd O type circle 20.
During work, fluid flows to liquid outlet channel by the endoporus of feed pathway, transition passage, the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21, under the high speed rotating of rotation outer tube 19, the right side high speed rotating of the first wear-resistant seal ring 9 is being pasted in the left side that rotation outer tube 19 drives the second wear-resistant seal ring 21, contacts end face by the first wear-resistant seal ring 9 with the second wear-resistant seal ring 21 and prevents escape of liquid.When wear and tear to some extent in the right side of pasting the first wear-resistant seal ring 9 when the left side of the second wear-resistant seal ring 21, the elastic force of the counterbalance spring 6 on the spring positioning plate 5 promotes stationary seat 4 and slides to the right, the left side of the second wear-resistant seal the ring 21 thereby right side that promotes the first wear-resistant seal ring 9 tightly reclines makes the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21 keep the better seal state constantly.
When the right side of the first wear-resistant seal ring 9, the left side serious wear of the second wear-resistant seal ring 21, under the elastic force effect of counterbalance spring 6, can't make tightly the recline left side of the second wear-resistant seal ring 21, the right side of the wear-resistant seal ring 9 of winning, must take this device this moment apart, take off the first wear-resistant seal ring 9 and the second wear-resistant seal ring 21, replace with the first new wear-resistant seal ring 9 and the second wear-resistant seal ring 21 and get final product.
Claims (3)
1. high pressure, high-rotation speed rotary connector, be included in axial hollow housing (10) one ends and be connected with tail-hood (1), tail-hood offers feed pathway in (1), be rotatably connected to rotation outer tube (19) in the axial bore of housing (10), offer liquid outlet channel in the rotation outer tube (19), stretch into and be socketed with the inner bearing (15) and outer bearing (17) that is provided with at interval on rotation outer tube (19) outer wall in the housing (10), on housing (10), be provided with oil nozzle (11), rotation outer tube (19) is rotatably connected in the housing (10) by inner bearing (15) and outer bearing (17), be provided with the spacer (16) that is socketed on the rotation outer tube (19) between inner bearing (15) and outer bearing (17) sidewall, housing (10) inwall in outer bearing (17) outside is provided with hole back-up ring (18), rotation outer tube (19) inner end is provided with shaft block ring (14), on shaft block ring (14), be socketed with wavy spring pad (12), between wavy spring pad (12) and inner bearing (15) madial wall, be provided with plain washer (13), in tail-hood (1), be provided with stationary seat (4) in axial sliding, stationary seat offers transition passage in (4), the inner end of stationary seat (4) is provided with at interval with rotation outer tube (19) inner end, and between the inner end of stationary seat (4) and rotation outer tube (19), be provided with the first wear-resistant seal ring (9) and the second wear-resistant seal ring (21) that end face offsets, the first wear-resistant seal ring (9) is contained on the interior step of stationary seat (4), the second wear-resistant seal ring (21) is contained on the interior step of rotation outer tube (19), the first wear-resistant seal ring (9) offsets with the opposing end surface of the second wear-resistant seal ring (21), is provided with the elastic compensating device of the first wear-resistant seal ring (9) and the second wear-resistant seal ring (21) between tail-hood (1) and housing (10); It is characterized in that: described elastic compensating device comprises the spring positioning plate (5) that is socketed in outside the stationary seat (4), spring positioning plate (5) is provided with plurality of elastic straight pin (8), stationary seat (4) one end faces are provided with some counterbalance springs (6) that are against on the stationary seat (4), and counterbalance spring (6) is positioned on the spring positioning plate (5).
2. high pressure as claimed in claim 1, high-rotation speed rotary connector is characterized in that: the outer O type circle (2) and tetrafluoro packing ring (3) that is used to seal that be socketed with of described stationary seat (4).
3. high pressure as claimed in claim 1, high-rotation speed rotary connector is characterized in that: be socketed with the 2nd O type circle (20) on the rotation outer tube (19) in described housing (10) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102348165A CN101403456B (en) | 2008-10-31 | 2008-10-31 | High-pressure high-rotation speed rotary connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102348165A CN101403456B (en) | 2008-10-31 | 2008-10-31 | High-pressure high-rotation speed rotary connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101403456A CN101403456A (en) | 2009-04-08 |
| CN101403456B true CN101403456B (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102348165A Active CN101403456B (en) | 2008-10-31 | 2008-10-31 | High-pressure high-rotation speed rotary connector |
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| Country | Link |
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| CN (1) | CN101403456B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410424A (en) * | 2011-08-25 | 2012-04-11 | 江苏腾旋科技股份有限公司 | Rotating joint with heat dissipation structure |
| CN102410416A (en) * | 2011-08-25 | 2012-04-11 | 江苏腾旋科技股份有限公司 | Split-type multi-spring-structure rotating joint |
| CN103640069A (en) * | 2013-12-01 | 2014-03-19 | 安徽金丰机械有限公司 | High-speed rotating joint |
| CN104354246A (en) * | 2014-10-13 | 2015-02-18 | 太仓越华精密机械配件有限公司 | Airtight mold |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658529Y (en) * | 2003-11-03 | 2004-11-24 | 陈信吉 | Superhigh speed no-bearing rotation joint with device for preventing liquid leaking |
| CN2769655Y (en) * | 2005-03-09 | 2006-04-05 | 吴小肖 | High-speed rotary joint |
| EP1724502A2 (en) * | 2005-05-17 | 2006-11-22 | Deublin Company | Multi-media rotating union |
| CN101169204A (en) * | 2006-10-27 | 2008-04-30 | 沈阳吉盛东科技有限公司 | Multipurpose high speed rotation communicating joint |
-
2008
- 2008-10-31 CN CN2008102348165A patent/CN101403456B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2658529Y (en) * | 2003-11-03 | 2004-11-24 | 陈信吉 | Superhigh speed no-bearing rotation joint with device for preventing liquid leaking |
| CN2769655Y (en) * | 2005-03-09 | 2006-04-05 | 吴小肖 | High-speed rotary joint |
| EP1724502A2 (en) * | 2005-05-17 | 2006-11-22 | Deublin Company | Multi-media rotating union |
| CN101169204A (en) * | 2006-10-27 | 2008-04-30 | 沈阳吉盛东科技有限公司 | Multipurpose high speed rotation communicating joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101403456A (en) | 2009-04-08 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Tengxuan Technology Co.,Ltd. Assignor: Wuxi Tengxuan Technology Co., Ltd. Contract record no.: 2011320000125 Denomination of invention: High-pressure high-rotation speed rotary connector Granted publication date: 20100609 License type: Exclusive License Open date: 20090408 Record date: 20110303 |
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| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU TENGXUAN TECHNOLOGY CO., LTD. Free format text: FORMER NAME: WUXI TENGXUAN TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 214112 No. 6 Xindu Road, Mei Cun industrial complex area, Wuxi, Jiangsu Patentee after: Jiangsu Tengxuan Technology Co.,Ltd. Address before: 214112 No. 6 Xindu Road, Mei Cun industrial complex area, Wuxi, Jiangsu Patentee before: Wuxi Tengxuan Technology Co., Ltd. |
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Denomination of invention: High-pressure high-rotation speed rotary connector Effective date of registration: 20130710 Granted publication date: 20100609 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Jiangsu Tengxuan Technology Co.,Ltd. Registration number: 2013990000443 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190529 Granted publication date: 20100609 Pledgee: Agricultural Bank of China Limited by Share Ltd Wuxi science and Technology Branch Pledgor: Jiangsu Tengxuan Technology Co.,Ltd. Registration number: 2013990000443 |