CN201412620Y - Floating sealed high-speed high-pressure rotary joint - Google Patents
Floating sealed high-speed high-pressure rotary joint Download PDFInfo
- Publication number
- CN201412620Y CN201412620Y CN2009200961906U CN200920096190U CN201412620Y CN 201412620 Y CN201412620 Y CN 201412620Y CN 2009200961906 U CN2009200961906 U CN 2009200961906U CN 200920096190 U CN200920096190 U CN 200920096190U CN 201412620 Y CN201412620 Y CN 201412620Y
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- stator
- floating
- rotary seal
- seal
- rotor
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- Expired - Fee Related
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Abstract
The utility model relates to a floating sealed high-speed, high-pressure rotary joint, wherein, a rotary seal is installed between a rotor and a stator, and the rotary seal is a floating rotary seal consisting of a rotary seal ring and a spring piece which is installed in a floating and elastic manner on the inner edge of the rotary seal ring. The stainless steel spring piece and the staggered opened rotary seal (polyfluoretetraethylene blended with powdered carbon) used in manufacturing the high-speed rotary joint are combined to form the floating rotary seal, which relies on a seal excircleand the end surfaces on two sides to serve the purpose of sealing, is supported in a floating manner by the stainless steel spring piece, causes little friction, is resistant to high temperature, andhas good sealing effect. The utility model has the advantages of scientific and reasonable design, simple overall construction, easy manufacturing, low cost and relatively ideal sealing effect, and isparticularly suitable for high-speed, high-pressure rotary joints with oil pressure below 16 MPa and linear speed below 5 m per second.
Description
Technical field
The utility model belongs to the oil cylinder field, especially a kind of floating seal formula high speed and high pressure swivel joint.
Background technique
At nearly all industrial field,, just must use swivel joint as long as between fixed block and rotating machinery, have liquid transfer.At present, high-speed joint is adopted as the common rotary seal of tight contact, and frictional force is very big between rotor and the stator, and when high speed rotating, produces very big heat, is very easy to destroy sealing.In addition, for all bigger by its accuracy of manufacturing of gap sealed high-speed joint, difficulty, cost is very high.
By retrieval, two pieces of patent documentations have been found.Number of patent application 200810141308.2 discloses a kind of high pressure high speed rotating joint, comprise stator (1) and rotor (2), the two ends of described stator (1) are provided with end cap (3), the inboard of end cap (3) is provided with O type ring (5), rotor (2) is connected on the stator (1) by bearing (4), described stator (1) radially is provided with work oilhole (8) and draining hole (9), described rotor (2) excircle is provided with servo loop (7), is provided with y-type seal ring (6) between described servo loop (7) and the stator (1).The high pressure high speed rotating joint rotor excircle of this patent application is provided with servo loop, is provided with y-type seal ring between servo loop and the stator, and the self-control of both cooperations and y-type seal ring makes stator and combining of rotor more tight with rationally.The patent No. 200720021112 provides a kind of interior pipe fixing high-speed joint technological scheme, fluid passage between pipe and outer tube reached in this scheme had, the housing that the drag-out passage is arranged, at an end of the housing bottom that has been sealedly and fixedly connected, the other end of the housing middle cover that has been sealedly and fixedly connected, middle cover is sealedly and fixedly connected again and brings the end cap of liquid passage into, between bottom and middle cover, the rotary seal mechanism that is connected with outer tube is arranged, this rotary seal mechanism is that corresponding bottom has a boss on the outer tube in housing, between bottom and outer tube convex platform, the bottom seal ring is arranged, one end of outer tube is inserted in the spring seat of boss, between boss on the outer tube and the boss on the spring seat spring is arranged, the spring seat keyway is arranged on the spring seat, at spring seat keyway internal fixation flat key is arranged, this flat key is inserted into again in the outer tube keyway on the outer tube, and the middle cover seal ring is arranged between boss on the spring seat and middle cover; Interior Guan Yiduan in the described housing is fixed on the end cap, and communicates with feed pathway on the end cap.Above-mentioned two pieces of patent documentations exist the irrational problem of sealing equally.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of floating seal formula high speed and high pressure swivel joint is provided, and this swivel joint can effectively guarantee sealing under the high-speed and high-temperature condition.
The purpose of this utility model is achieved in that
A kind of floating seal formula high speed and high pressure swivel joint, comprise stator and rotor, be respectively arranged with front cover and rear end cover at the two ends of stator, rotor coaxial adopts Bearing Installation on stator, be coaxially installed with guide pin bushing between front cover and the stator, the coaxial work oilhole that is shaped on rotor, on stator, be shaped on actuator port with respect to epitrochanterian work oilhole, on stator, also be shaped on the draining hole, between rotor and the stator rotary seal is installed, it is characterized in that: described rotary seal is the rotary seal of floating, and this unsteady rotary seal is made of rotating seal ring and spring sheet, and the unsteady elasticity of spring sheet is installed in the rotating seal ring inner edge.
And described rotating seal ring selects for use teflon+carbon powder material to make for dislocation open type rotating seal ring.
And described unsteady rotary seal is set on the rotor of stator hydraulic fluid port both sides, and each sealing can be set the 1-3 road.
Advantage of the present utility model and good effect are:
1, this high speed and high pressure swivel joint adopts the unsteady rotary seal that stainless steel spring sheet and dislocation open type rotary seal (teflon+carbon powder material) are combined, float rotary seal by sealing cylindrical and two side ends face seal, the stainless steel spring sheet floats and supports, frictional force is very low, and high temperature resistant, good sealing effect.
2, this high speed and high pressure swivel joint design science is reasonable, and overall structure is simple, and is easy to manufacture, with low cost, and sealing effect is comparatively perfect, is particularly suitable for that oil pressure 16MPa is following, linear velocity 5m/s is with interior high speed and high pressure swivel joint.
Description of drawings
Fig. 1 is a right elevation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to cross-sectional view;
Fig. 3 is the I bilge construction enlarged diagram of Fig. 2;
Fig. 4 is a rotary seal plan view of the present utility model;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the II bilge construction enlarged diagram of Fig. 4;
Fig. 7 is the spring sheet profile schematic representation of Fig. 5.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described; Need to prove: present embodiment is descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of floating seal formula high speed and high pressure swivel joint, comprise stator 3 and rotor 5, be respectively arranged with front cover 1 and rear end cover 2 at the two ends of stator, rotor coaxial adopts bearing 9 to be installed on the stator, be coaxially installed with guide pin bushing 8 between front cover and the stator, the coaxial work oilhole 6,7 that is shaped on is shaped on actuator port 10,11 with respect to epitrochanterian work oilhole on stator on rotor, also is shaped on draining hole 4 on stator.Above-mentioned is prior art, therefore is not described in detail.
Innovative point of the present utility model is the unsteady rotary seal (see figure 3) between rotor and the stator, the rotary seal of should floating is made of the rotating seal ring 13 of outer ring and the spring sheet 12 of coaxial inner ring, rotating seal ring selects for use teflon+carbon powder material to make for dislocation open type rotating seal ring; The unsteady elasticity of spring sheet is installed in the rotating seal ring inner edge.The rotary seal of floating is set in according to technical requirements on the rotor of stator hydraulic fluid port both sides, and each sealing can be set the 1-3 road, is two seals in the present embodiment accompanying drawing.
This unsteady rotary seal is by sealing cylindrical and two side ends face seal, and the stainless steel spring sheet floats and supports, and frictional force is very low.
Claims (3)
1, a kind of floating seal formula high speed and high pressure swivel joint, comprise stator and rotor, be respectively arranged with front cover and rear end cover at the two ends of stator, rotor coaxial adopts Bearing Installation on stator, be coaxially installed with guide pin bushing between front cover and the stator, the coaxial work oilhole that is shaped on rotor, on stator, be shaped on actuator port with respect to epitrochanterian work oilhole, on stator, also be shaped on the draining hole, between rotor and the stator rotary seal is installed, it is characterized in that: described rotary seal is the rotary seal of floating, and this unsteady rotary seal is made of rotating seal ring and spring sheet, and the unsteady elasticity of spring sheet is installed in the rotating seal ring inner edge.
2, a kind of floating seal formula high speed and high pressure swivel joint according to claim 1 is characterized in that: described rotating seal ring is dislocation open type rotating seal ring.
3, a kind of floating seal formula high speed and high pressure swivel joint according to claim 1, it is characterized in that: described unsteady rotary seal is set on the rotor of stator hydraulic fluid port both sides, and each sealing can be set the 1-3 road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200961906U CN201412620Y (en) | 2009-04-07 | 2009-04-07 | Floating sealed high-speed high-pressure rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200961906U CN201412620Y (en) | 2009-04-07 | 2009-04-07 | Floating sealed high-speed high-pressure rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201412620Y true CN201412620Y (en) | 2010-02-24 |
Family
ID=41714504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200961906U Expired - Fee Related CN201412620Y (en) | 2009-04-07 | 2009-04-07 | Floating sealed high-speed high-pressure rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201412620Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712015A (en) * | 2013-12-27 | 2014-04-09 | 大连瑞谷科技有限公司 | Four-point thrust angular contact type rotating joint |
| CN105042241A (en) * | 2015-08-17 | 2015-11-11 | 大连恒基数控机床有限公司 | Rotating connector |
| CN109723923A (en) * | 2019-03-06 | 2019-05-07 | 湖南海润电气有限公司 | One kind can impact type water pipe rotary joint |
-
2009
- 2009-04-07 CN CN2009200961906U patent/CN201412620Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712015A (en) * | 2013-12-27 | 2014-04-09 | 大连瑞谷科技有限公司 | Four-point thrust angular contact type rotating joint |
| CN105042241A (en) * | 2015-08-17 | 2015-11-11 | 大连恒基数控机床有限公司 | Rotating connector |
| CN109723923A (en) * | 2019-03-06 | 2019-05-07 | 湖南海润电气有限公司 | One kind can impact type water pipe rotary joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN SFOY OUYE HYDRAULIC MACHINERY CO., LTD. Free format text: FORMER OWNER: ZHANG WEI Effective date: 20120329 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120329 Address after: 300402, Tianjin Road, Beichen northeast Rail Industrial Park, No. 8, day road Patentee after: Tianjin Sifang Ouye Hydraulic Machinery Co., Ltd. Address before: 300402, Tianjin Road, Tiedong Industrial Zone, Beichen Road, Tian Ying Road Patentee before: Zhang Wei |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20150407 |
|
| EXPY | Termination of patent right or utility model |