CN101619788B - Rotary joint with temperature difference zone structure - Google Patents
Rotary joint with temperature difference zone structure Download PDFInfo
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- CN101619788B CN101619788B CN2009101836397A CN200910183639A CN101619788B CN 101619788 B CN101619788 B CN 101619788B CN 2009101836397 A CN2009101836397 A CN 2009101836397A CN 200910183639 A CN200910183639 A CN 200910183639A CN 101619788 B CN101619788 B CN 101619788B
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- outer tube
- temperature difference
- housing
- zone structure
- difference zone
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Abstract
The invention relates to a rotary joint, in particular to a connecting sealing member for conveying a fluid medium from a static pipeline to a swinging or rotating device, and belongs to the technical field of sealing devices. According to the technical scheme, the rotary joint with a temperature difference zone structure comprises a shell, a cylindrical spring mounted at the inner bottom of the shell and an outer tube positioned in the shell. A cylindrical ring is embedded on the end surface of the cylindrical spring; the outer tube is mounted in the inner hole of the cylindrical ring; and an O-shaped sealing ring is arranged in an inner hole at the tail part of the outer tube. The invention has the advantages of artistic and smooth outer appearance, stable rotation of the outer tube, temperature difference zone structure, reliable compensation on seal abrasion, good sealing performance and long service life.
Description
Technical field
The present invention relates to a kind of swivel joint, specifically is exactly to be used for flowing medium to be input to the connection sealed member of rotating equipment from static pipeline, belongs to the mechanical sealing technology field.
Background technique
To be flowing medium (liquid, gas etc.) be input to connection sealed member the rotating equipment from static pipeline with swivel joint, is to solve run, drip, leak, energy saving, protection environment, the seal arrangement that improves working conditions.There are shortcomings such as profile is coarse, simple and crude, outer tube rotational stability difference in the swivel joint that prior art is produced, causes wearing and tearing inhomogeneous; Because of no temperature difference district, be easy to generate camber of spring or fracture accident again, cause seal failure, produce the run, drip, leak phenomenon, even production environment and product are caused the severe contamination accident input media.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of swivel joint that has temperature difference zone structure is provided, its beautiful shape, bright and clean, the outer tube rotation steadily has temperature difference zone structure, and sealing wear is had reliable compensation, good seal performance, long service life.
According to technological scheme provided by the invention, the described swivel joint that has temperature difference zone structure comprises housing, is installed in the cylindrical spring at the end in the described housing and is positioned at the outer tube of described housing; The bottom end groove of cylinder ring is embedded on the end face of described cylindrical spring, pack into the endoporus of cylinder ring of described outer tube, be provided with the O RunddichtringO in the afterbody endoporus of described outer tube, described outer tube is provided with the medium import, described medium import one side and cylinder ring sliding contact are with the sphere ring on the sphere of opposite side.
Be provided with interior pipe in the described outer tube, described interior pipe is gone into the O RunddichtringO by outer tube hub and skewer, and described interior pipe tail end links to each other with the medium pipeline outlet, and the medium input channel is arranged between interior pipe and outer tube.Be provided with the spline sliding pin between the half slot on described housing and the cylinder ring.
Described housing is provided with circular hole and screw hole, is used for spline and selects.The large end face of described housing is provided with sealing gasket, on the described sealing gasket end cap is installed, and is with guide ring on the described outer tube, and described guide ring is pressed in the end cap; End cap utilizes elastic washer, hex head bolt to be anchored on the large end face of housing; Described guide ring and end cap utilize spline plate, button-headed screw fastening.
The neck of described outer tube is provided with choma, and described to being with flange on the choma, described outer tube end face is provided with sealing red copper pad.The afterbody of described housing is with elbow, and described elbow one end utilizes the fastening and housing afterbody of internal thread, and the other end is connected with the medium pipeline outlet.
Advantage of the present invention: outer tube of the present invention has stable dual-gripper oilless bearing, stability of rotation, on two oilless bearings, all be provided with spline structure, in the housing chamber, be provided with temperature difference district, spring is positioned at low temperature area, makes spring reduce thermal distortion and brittle failure phenomenon, good seal performance, long service life, the easy standardization of structural design, seriation, spring only need a rotation direction, and having changed in the past, Q type structure spring needs a left side, right directed trouble, easy for installation, the high temperature joint can double as low temperature swivel joint, has reduced customer using cost, any surface finish, housing does not have the surplus precision casting, has reduced machining cost and customer using cost.
Description of drawings
Fig. 1 is the logical flanged connecting structure schematic representation of the present invention's double fluid.
Fig. 2 is the logical screw connection structure schematic representation of the present invention's double fluid.
Fig. 3 is the logical screw connection structure schematic representation of single current of the present invention.
Fig. 4 is the logical flanged connecting structure schematic representation of single current of the present invention.
Embodiment
The invention will be further described below in conjunction with concrete drawings and Examples.
As shown in Figure 1, a kind of swivel joint that has temperature difference zone structure comprises housing 3, is installed in the cylindrical spring 2 at the ends in the described housing 3 and is positioned at the outer tube 7 of described housing 3; The bottom end groove of cylinder ring 4 is embedded on the end face of cylindrical spring 2, pack into the endoporus of cylinder ring 4 of described outer tube 7, be provided with O RunddichtringO 6 in the afterbody endoporus of described outer tube 7, described outer tube 7 is provided with the medium import, described medium import one side and cylinder ring 4 sliding contacts are with sphere ring 8 on the sphere of opposite side.
The structural member cylindrical spring 2 of described sealing compensation is by cylinder ring 4, separate with high temperature media import on the outer tube 7, constitute temperature difference zone structure, make cylindrical spring 2 be in low temperature area, thereby reduced thermal distortion and brittle failure phenomenon, guaranteed sealability and prolonged working life.
Be provided with spline sliding pin 5 between the half slot on described housing 3 and the cylinder ring 4.Described outer tube 7 is provided with the medium import, and described medium import links to each other with the side opening of housing 3; Described medium import one side and cylinder ring 4 sliding contacts are with sphere ring 8 on the sphere of opposite side.
Described housing 3 is provided with circular hole and screw hole, is used for spline and selects; The large end face of described housing 3 is provided with sealing gasket 9, on the described sealing gasket 9 end cap 10 is installed, and is with guide ring 13 on the described outer tube 7, and described guide ring 13 is pressed in the end cap 10; Described end cap 10 utilizes elastic washer 11, hex head bolt 12 to be anchored on the large end face of housing 3; Described guide ring 13 and end cap 10 utilize spline plate 15, button-headed screw 14 fastening.
Cylinder ring 4 constitutes dual-gripper oilless bearing structures with guide ring 13, makes the outer tube 7 can stability of rotation.
The neck of described outer tube 7 is provided with choma 17, and described to being with flange 16 on the choma 17, described outer tube 7 end faces are provided with sealing red copper pad 18.
The afterbody of described housing 3 is provided with elbow 1, and described elbow 1 one ends utilize internal thread to be anchored on housing 3 afterbodys, and the other end is connected with the medium pipeline outlet.
As shown in Figure 2, the present invention can also be provided with outside thread at the neck of outer tube 7, is connected with customer equipment by outside thread, and outer tube 7 rotates synchronously with interior pipe 19.
Shown in Fig. 3～4, the present invention can constitute the swivel joint of the logical structure of single current.When the present invention constitutes the logical structure of single current, save elbow 1, interior pipe 19 and seal ring 6, described housing 3 afterbodys do not have endoporus, and at the afterbody of described outer tube 7 plug screw are installed.When the formation single current leads to structure, can be connected with user's rotating equipment by outside thread or flange.
When using double fluid to lead to structure, interior pipe 19 stretches in user's rotating equipment, outer tube 7 is by flange 16 or outside thread is connected with user's rotating shaft end, the flowing medium of higher temperature, medium import from outer tube 7 feeds, by the input of the medium input channel between outer tube 7 and the interior pipe 19 user rotating equipment, the flowing medium after the cooling is discharged from elbow 1 by interior pipe 19, and the cylindrical spring 2 of sealing compensation is in low temperature area.When using single current to lead to structure, pipe 19 in saving, outer tube 7 is by flange or outside thread is connected with user's rotating shaft end, and flowing medium enters rotating equipment from outer tube 7 mesopores.
Claims (6)
1. swivel joint that has temperature difference zone structure, comprise housing (3), be installed in the cylindrical spring (2) in the described housing (3) and be positioned at the outer tube (7) of described housing (3), it is characterized in that: the bottom end groove of cylinder ring (4) is embedded on the end face of cylindrical spring (2), pack into the endoporus of cylinder ring (4) of described outer tube (7), described outer tube (7) is provided with the medium import, described medium import one side and cylinder ring (4) sliding contact are with sphere ring (8) on the sphere of opposite side.
2. the swivel joint that has temperature difference zone structure according to claim 1, it is characterized in that: be provided with interior pipe (19) in the described outer tube (7), pipe (19) tail end links to each other with the medium pipeline outlet in described, between described interior pipe (19) and outer tube (7) the medium input channel is arranged.
3. the swivel joint that has temperature difference zone structure according to claim 1 is characterized in that: be provided with spline sliding pin (5) between the half slot on described housing (3) and the cylinder ring (4).
4. the swivel joint that has temperature difference zone structure according to claim 1, it is characterized in that: described housing (3) is provided with circular hole and screw hole, on the large end face of housing (3), be provided with sealing gasket (9), end cap (10) is installed on the described sealing gasket (9), be with guide ring (13) on the described outer tube (7), described guide ring (13) is pressed in the end cap (10); End cap (10) utilizes elastic washer (11), hex head bolt (12) to be anchored on the large end face of housing (3); Described guide ring (13) and end cap (10) utilize spline plate (15), button-headed screw (14) fastening.
5. the swivel joint that has temperature difference zone structure according to claim 1 is characterized in that: the neck of described outer tube (7) is provided with choma (17), and described to being with flange (16) on the choma (17), described outer tube (7) end face is provided with sealing red copper pad (18).
6. the swivel joint that has temperature difference zone structure according to claim 1 is characterized in that: the afterbody of described housing (3) is with elbow (1), and described elbow (1) one end utilizes internal thread to be fastened on housing (3) afterbody, and the other end is connected with the medium pipeline outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101836397A CN101619788B (en) | 2009-07-31 | 2009-07-31 | Rotary joint with temperature difference zone structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101836397A CN101619788B (en) | 2009-07-31 | 2009-07-31 | Rotary joint with temperature difference zone structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101619788A CN101619788A (en) | 2010-01-06 |
| CN101619788B true CN101619788B (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101836397A Active CN101619788B (en) | 2009-07-31 | 2009-07-31 | Rotary joint with temperature difference zone structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN101619788B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102313096A (en) * | 2011-08-25 | 2012-01-11 | 江苏腾旋科技股份有限公司 | Reverse spherical surface type rotary joint |
| CN105240635A (en) * | 2015-11-06 | 2016-01-13 | 江苏腾旋科技股份有限公司 | Rotary joint with double sealing structures |
| CN106382426A (en) * | 2016-11-29 | 2017-02-08 | 南京嘉清信息技术有限公司 | Rotary joint of heating cooling system |
-
2009
- 2009-07-31 CN CN2009101836397A patent/CN101619788B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101619788A (en) | 2010-01-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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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| CP03 | Change of name, title or address |
Address after: 214112 No. 6 Xindu Road, Mei Cun industrial complex area, Wuxi, Jiangsu Patentee after: Jiangsu Tengxuan Technology Co.,Ltd. Address before: 214112, 6, Xindu Road, Mei Cun industrial concentration area, Wuxi New District, Jiangsu, Wuxi Patentee before: Wuxi Tengxuan Technology Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rotary joint with temperature difference zone structure Effective date of registration: 20130710 Granted publication date: 20110608 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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| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190529 Granted publication date: 20110608 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 |