CN201066006Y - Inner tube fixed high speed rotation joint - Google Patents
Inner tube fixed high speed rotation joint Download PDFInfo
- Publication number
- CN201066006Y CN201066006Y CNU2007200211120U CN200720021112U CN201066006Y CN 201066006 Y CN201066006 Y CN 201066006Y CN U2007200211120 U CNU2007200211120 U CN U2007200211120U CN 200720021112 U CN200720021112 U CN 200720021112U CN 201066006 Y CN201066006 Y CN 201066006Y
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- China
- Prior art keywords
- outer tube
- middle cover
- spring seat
- seal ring
- pipe
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- Expired - Fee Related
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Abstract
The utility model provides a technical proposal of a high-speed rotary joint with fixed inner pipe. In the proposal, an inner pipe, an outer pipe and a liquid channel between the inner pipe and the outer pipe are provided, a casing with a liquid outlet channel is provided, a back cover is sealed and fixedly connected at one end of the casing, a middle cover is sealed and fixedly connected at the other end of the casing, an end cover with a liquid inlet channel is sealed and fixedly connected on the middle cover, and a rotary sealing mechanism connected with the outer pipe is arranged between the back cover and the middle cover. In the rotary sealing mechanism, a dummy club corresponding to the back cover is arranged on the outer pipe of the casing, a back cover sealing ring is arranged between the back cover and the dummy club on the outer pipe, one end of the outer pipe is inserted into the spring holder of the dummy club, a spring is arranged between the dummy club on the outer pipe and a dummy club on the spring holder, a spring holder keyway is arranged on the spring holder, a flat key is fixed in the spring holder keyway, and also inserted into an outer pipe keyway on the outer pipe, and a middle cover sealing ring is arranged between the dummy club on the spring holder and the middle cover; one end of the inner pipe in the casing is fixed on the end cover, and communicated with the liquid inlet channel on the end cover.
Description
Technical field:
The utility model relates to a kind of joint of mechanical connection, especially the liquid of stationary apparatus fixing high-speed joint of pipe in slewing gear comes and goes carry a kind of.
Background technique:
In the prior art, technique known is by disclosed No. 79190612.2 patent applications of State Intellectual Property Office, this patent application discloses a kind ofly passes on the swivel joint of the high relative rotation speed the high speed rotating machine parts with pressurized working fluid from a static machine part, the rotary seal of this swivel joint, be by in the matching gap between rotational parts and the stationary components, fill that the liquid film that forms with conveyance fluid realizes, though certain admissible leakage is arranged, really can realize connecting at the conveying between the higher stream oriented device of relative velocity, but its structure is too complicated, make the manufacture cost of swivel joint too high, this is the existing in prior technology deficiency.
Summary of the invention:
The purpose of this utility model, be exactly at the existing in prior technology deficiency, and provide a kind of interior pipe fixing high-speed joint technological scheme, the rotary seal mechanism of this scheme adopts between outer tube and bottom with the bottom seal ring with sphere contact, between spring seat and middle cover, use middle cover seal ring with sphere contact, between outer tube and spring seat, support again with spring, make two pairs of contact spheres sealings when rotating relatively, realize that when outer tube rotates the interior pipe of input liquid and the housing of end cap and output liquid then are in static.And, this mechanism simple in structure, cost of processing is also low, and can realize higher being rotatably connected of relative velocity.
This programme is realized by following technical measures: interior pipe and outer tube that fluid passage is arranged between comprising, with the housing that has liquid outlet channel, 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, the other end of middle cover is sealedly and fixedly connected and brings the end cap of liquid passage into, between described bottom and middle cover, the rotary seal mechanism that is connected with outer tube is arranged, the characteristics of this programme are that described 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, outer tube one end in housing 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 end that described spring seat contacts with outer tube has the spring seat keyway, 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.The concrete characteristics of this programme also have, and are that the bottom seal ring is that protruding sphere and bottom are that the ball face sealing of concave spherical surface is connected between described bottom seal ring and the bottom, are that plane sealing is connected between bottom seal ring and the outer tube convex platform.Being that the middle cover seal ring is that protruding sphere and middle cover are that the ball face sealing of concave spherical surface is connected between described middle cover seal ring and the middle cover, is that plane sealing is connected between middle cover seal ring and the spring seat convex platform.Gapped between boss on the described outer tube and boss on the spring seat and the inner walls.Gapped between described outer tube and the bottom, this gap is less than the gap between outer tube convex platform and the inner walls.Gapped between described spring seat and the middle cover seal ring inwall, this gap is less than the gap between spring seat convex platform and the inner walls.The inner hole wall of described spring seat is gapped between interior pipe.Also has liquid port in described outer tube upper spring corresponding part.On the outer tube outside the described housing, also has connecting groove.
The beneficial effect of this programme can be learnt according to the narration to such scheme, because the rotary seal mechanism in this scheme, be to adopt between outer tube and bottom with bottom seal ring seal with sphere contact, between spring seat and middle cover, use middle cover seal ring seal with sphere contact, between outer tube and spring seat, support again with spring, two pairs of contact spheres can closely be contacted under the pressure of spring, between outer tube and bottom with between spring seat and the middle cover, can guarantee during relative rotation to seal.Connect by flat key between outer tube and the spring seat, this flat key is fixed on the spring seat, flat key inserts again in the outer tube keyway simultaneously, but make axial displacement between outer tube and the spring seat, this just can be under the effect of spring tension, promote outer tube extruding outer tube seal ring and promote spring seat extruding middle cover seal ring, guaranteed between bottom seal ring and the bottom and middle cover seal ring and middle cover between tight the contact, compensate bottom seal ring and middle cover seal ring owing to the gap that service wear caused, the sealing effect when guaranteeing to rotate.Since between bottom and the bottom seal ring be that sphere contacts between middle cover and the middle cover seal ring, therefore, whole rotating mechanism has self-align function, it is coaxial that the axis that can keep outer tube and the axis of housing are in operation, and adds between boss on the outer tube and boss on the spring seat and the inner walls gapped again; Gapped between outer tube and the bottom; Gapped between spring seat and the middle cover seal ring inwall; The inner hole wall of spring abutment is gapped between interior pipe, these gaps allow again to be in operation outer tube axis and housing axis disalignment, and this has just guaranteed that when operation the effect that skew or vibration can not influence sealing appears in high speed rotating when outer tube.When operation, pipe entered the rotation liquid device in working liquid body was input to by the feed pathway on the end cap, rotation is returned with the fluid passage of liquid between outer tube and interior pipe that return of liquid device, liquid port on outer tube is discharged to the housing inner chamber, liquid outlet channel on housing is discharged again, when having realized that rotation is rotated with liquid device and outer tube, the interior pipe of input liquid then is in static being connected with end cap with the housing of output liquid.And, this swivel joint simple in structure, cost of processing is also cheaper, and can realize higher being rotatably connected of relative velocity, in addition, this swivel joint is to adopt the outer swivel joint that supports, and the inside of swivel joint does not provide any type of support for rotary component.This shows that the utility model compared with prior art has substantive distinguishing features and progress, the beneficial effect of its enforcement also is conspicuous.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment.
Among the figure, 1 is interior pipe, and 2 is outer tube, and 3 is the bottom seal ring, 4 is bottom, and 5 is housing, and 6 is spring, 7 is the outer tube keyway, and 8 is flat key, and 9 is the spring seat keyway, 10 is spring seat, and 11 is middle cover, and 12 is the middle cover seal ring, 13 is end cap, and 14 is feed pathway, and 15 is liquid outlet channel, 16 is liquid port, and 17 is connecting groove, and 18 is fluid passage.
Embodiment:
For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by an embodiment.
By accompanying drawing as can be seen, the high-speed joint that the interior pipe of this programme is fixing, fluid passage (18) between interior pipe (1) and outer tube (2) and interior pipe (1) and the outer tube (2) is arranged, the housing (5) that also has drag-out passage (15), at an end of housing (5) bottom (4) that has been sealedly and fixedly connected, the other end of housing (5) middle cover (11) that has been sealedly and fixedly connected, the end cap (13) that the other end of middle cover (11) is sealedly and fixedly connected and brings liquid passage (14) into, clamp middle cover (11) when this embodiment adopts bolton housing (5) and end cap (13), make sealing and fixing between the three.Between described bottom (4) and middle cover (11), the rotary seal mechanism that is connected with outer tube (2) is arranged, this rotary seal mechanism is that the last corresponding bottom (4) of the outer tube (2) in housing (5) has a boss, between bottom (4) and outer tube (2) convex platform, bottom seal ring (3) is arranged, be bottom seal ring (3) between described bottom seal ring (3) and the bottom (4) for protruding sphere bottom (4) for the ball face sealing of concave spherical surface is connected, be that plane sealing is connected between bottom seal ring (3) and outer tube (2) convex platform.Outer tube (2) one ends in housing (5) are inserted in the spring seat (10) of boss, between the boss on boss on the outer tube (2) and the spring seat (10) spring (6) is arranged, the end that described spring seat (10) contacts with outer tube (2) has spring seat keyway (9), at spring seat keyway (9) internal fixation flat key (8) is arranged, this flat key (8) is inserted into again in the outer tube keyway (7) on the outer tube (2).Between boss on the spring seat (10) and middle cover (11), middle cover seal ring (12) is arranged, be middle cover seal ring (12) between described middle cover seal ring (12) and the middle cover (11) for protruding sphere middle cover (11) for the ball face sealing of concave spherical surface is connected, be that plane sealing is connected between middle cover seal ring (12) and spring seat (10) convex platform.Interior pipe (1) one end in the described housing (5) is fixed on the end cap (13), and communicates with feed pathway (14) on the end cap (13).Gapped between boss on boss on the described outer tube (2) and the spring seat (10) and housing (5) inwall.Gapped between described outer tube (2) and the bottom (4), this gap is less than the gap between outer tube (2) convex platform and housing (5) inwall.Gapped between described spring seat (10) and middle cover seal ring (12) inwall, this gap is less than the gap between spring seat (10) convex platform and housing (5) inwall.The inner hole wall of described spring seat (10) is gapped between interior pipe (1).Also has liquid port (16) in described outer tube (2) upper spring (6) corresponding part.Outer tube (2) outside described housing (5) go up to also have connecting groove (17) to be used for being connected with rotating with liquid device.
Claims (9)
1. the fixing high-speed joint of pipe in a kind, interior pipe and outer tube that fluid passage is arranged between comprising, with the housing that has liquid outlet channel, 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, the other end of middle cover is sealedly and fixedly connected and brings the end cap of liquid passage into, between described bottom and middle cover, the rotary seal mechanism that is connected with outer tube is arranged, it is characterized in that: described 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, outer tube one end in housing 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 end that described spring seat contacts with outer tube has the spring seat keyway, 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.
2. the fixing high-speed joint of pipe in according to claim 1, it is characterized in that: being that the bottom seal ring is that protruding sphere and bottom are that the ball face sealing of concave spherical surface is connected between described bottom seal ring and the bottom, is that plane sealing is connected between bottom seal ring and the outer tube convex platform.
3. the fixing high-speed joint of pipe in according to claim 1 and 2, it is characterized in that: being that the middle cover seal ring is that protruding sphere and middle cover are that the ball face sealing of concave spherical surface is connected between described middle cover seal ring and the middle cover, is that plane sealing is connected between middle cover seal ring and the spring seat convex platform.
4. the fixing high-speed joint of pipe is characterized in that: gapped between the boss on the described outer tube and boss on the spring seat and the inner walls in according to claim 1.
5. according to claim 1 or the fixing high-speed joint of 4 described interior pipes, it is characterized in that: gapped between described outer tube and the bottom, this gap is less than the gap between outer tube convex platform and the inner walls.
6. according to claim 1 or the fixing high-speed joint of 4 described interior pipes, it is characterized in that: gapped between described spring seat and the middle cover seal ring inwall, this gap is less than the gap between spring seat convex platform and the inner walls.
7. the fixing high-speed joint of pipe in according to claim 1, it is characterized in that: the inner hole wall of described spring seat is gapped between interior pipe.
8. the fixing high-speed joint of pipe is characterized in that: also have liquid port in described outer tube upper spring corresponding part in according to claim 1.
9. the fixing high-speed joint of pipe in according to claim 1 is characterized in that: also have connecting groove on the outer tube outside the described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200211120U CN201066006Y (en) | 2007-04-19 | 2007-04-19 | Inner tube fixed high speed rotation joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200211120U CN201066006Y (en) | 2007-04-19 | 2007-04-19 | Inner tube fixed high speed rotation joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066006Y true CN201066006Y (en) | 2008-05-28 |
Family
ID=39483183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200211120U Expired - Fee Related CN201066006Y (en) | 2007-04-19 | 2007-04-19 | Inner tube fixed high speed rotation joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066006Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313097A (en) * | 2011-08-25 | 2012-01-11 | 江苏腾旋科技股份有限公司 | Reverse spherical surface type multi-spring rotary joint |
| CN102410414A (en) * | 2011-08-25 | 2012-04-11 | 江苏腾旋科技股份有限公司 | Double-circulation rotary joint with inner pipe looseness-stopping structure |
| CN103672245A (en) * | 2013-12-10 | 2014-03-26 | 江苏腾旋科技股份有限公司 | High-speed rotating connector for corrugated paper machine |
-
2007
- 2007-04-19 CN CNU2007200211120U patent/CN201066006Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313097A (en) * | 2011-08-25 | 2012-01-11 | 江苏腾旋科技股份有限公司 | Reverse spherical surface type multi-spring rotary joint |
| CN102410414A (en) * | 2011-08-25 | 2012-04-11 | 江苏腾旋科技股份有限公司 | Double-circulation rotary joint with inner pipe looseness-stopping structure |
| CN103672245A (en) * | 2013-12-10 | 2014-03-26 | 江苏腾旋科技股份有限公司 | High-speed rotating connector for corrugated paper machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 |