CN203189919U - Water sleeve heat insulation type rotary joint - Google Patents
Water sleeve heat insulation type rotary joint Download PDFInfo
- Publication number
- CN203189919U CN203189919U CN 201320208818 CN201320208818U CN203189919U CN 203189919 U CN203189919 U CN 203189919U CN 201320208818 CN201320208818 CN 201320208818 CN 201320208818 U CN201320208818 U CN 201320208818U CN 203189919 U CN203189919 U CN 203189919U
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- CN
- China
- Prior art keywords
- heat insulation
- water
- inlet channel
- insulation type
- mandrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a water sleeve heat insulation type rotary joint which can be cooled by media conveyed by the joint and is long in service life. The water sleeve heat insulation type rotary joint comprises a central spindle. A shell is connected to the outside of the central spindle through bearings and sealing rings. Rotation stop plates are designed on the shell. The shell is of a tubular water sleeve structure with a medium channel. A water outlet hole is formed in the right portion of the shell. A water inlet channel is formed in the central spindle. The water inlet channel is parallel to the center axis of the central spindle. The water inlet channel is communicated with the left portion of the medium channel. The water outlet hole is communicated with the medium channel.
Description
Technical field
The utility model relates to a kind of rotary seal joint, relates in particular to a kind of water jacket heat insulation type swivel joint.
Background technique
The rotary joint structure of prior art following (as Fig. 1. or shown in Figure 2): mainly by rotating shaft, bearing, seal ring and shell are formed.When rotating shaft is rotated at a high speed, bearing, rotating shaft, housing and seal ring can produce heat because of friction, cause the overheated operating conditions such as lubricated of bearing sealed ring to become abominable, thereby make the seal ring lifetime, near the swivel joint that also has equipment is to temperature requirement harshness (require temperature lower), or near thermal source is arranged, swivel joint is had thermal radiation etc.; The swivel joint of prior art does not have heat insulation from cooling off function, and traditional swivel joint is only considered the problem of rotary seal, does not consider the problem of swivel joint cooling, and using effect is poor.
Summary of the invention
The purpose of this utility model provides a kind of medium that can carry by itself with the water jacket heat insulation type swivel joint of himself cooling, long service life.
For achieving the above object, the technical solution adopted in the utility model is: a kind of water jacket heat insulation type swivel joint, comprise mandrel, the mandrel outside is connected with housing by bearing and seal ring, and design has the spline plate on the housing, it is characterized in that: described housing is the tubular water nested structure that has medium channel, the housing right part has osculum, has inlet channel on the mandrel, and inlet channel parallels with the central shaft of mandrel, inlet channel communicates with the left part of medium channel, and osculum communicates with medium channel.
In this structure, the feed-water end of described inlet channel has sealing gasket.
The utility model has the advantages of and be: because this structure of the present utility model so use the utility model can effectively reduce the heat that swivel joint spin friction produces, allows swivel joint move at a lower temperature; In thermal-radiating environment was arranged, the heat of reduction itself not only, and play good heat-blocking action increased the service life, and had reduced to occur the probability that leaks in the using process, and using effect is good.
Description of drawings
Fig. 1 is the structural representation of traditional swivel joint;
Fig. 2 is the left view of traditional swivel joint;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is left view of the present utility model;
Fig. 5 is right elevation of the present utility model.
In the accompanying drawing: 1, inlet channel; 2, mandrel; 3, bearing; 4, seal ring; 5, housing; 6, osculum; 7, medium channel; 8, sealing gasket; 9, spline plate.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
The utility model is shown in Fig. 3,4,5, a kind of water jacket heat insulation type swivel joint, comprise mandrel 2, mandrel 2 outsides are connected with housing 5 by bearing 3 and seal ring 4, and design has spline plate 9 on the housing 5, it is characterized in that: described housing 5 is for having the tubular water nested structure of medium channel 7, housing 5 right parts have osculum 6, have inlet channel 1 on the mandrel 2, and inlet channel 1 parallels with the central shaft of mandrel, inlet channel 1 communicates with the left part of medium channel, and osculum 6 communicates with medium channel 7; In the present embodiment, the feed-water end of described inlet channel 1 has sealing gasket 8.
Swivel joint Applicable media in the utility model is hydraulic oil, water glycol, all gases (do not contain poisonous, flammable explosive gas), industrial water etc.
Use the position paper cutter: working speed: 360rpm; Medium: pressurized air and cooling water.
When using traditional swivel joint, about operating temperature 80 degree, applying unit is done heat insulation processing with asbestos cloth, and its thermal radiation influences peripheral instrument and equipment, and when requiring swivel joint work, its temperature is not higher than 40 degree.After changing the utility model, operating temperature is 32 to 36 degree after tested, and have on average prolonged 30% working life.
Claims (2)
1. water jacket heat insulation type swivel joint, comprise mandrel (2), mandrel (2) is outside to be connected with housing (5) by bearing (3) and seal ring (4), housing (5) is gone up design spline plate (9), it is characterized in that: described housing (5) is for having the tubular water nested structure of medium channel (7), housing (5) right part has osculum (6), have inlet channel (1) on the mandrel (2), inlet channel (1) parallels with the central shaft of mandrel, inlet channel (1) communicates with the left part of medium channel, and osculum (6) communicates with medium channel (7).
2. water jacket heat insulation type swivel joint according to claim 1, it is characterized in that: the feed-water end of described inlet channel (1) has sealing gasket (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208818 CN203189919U (en) | 2013-04-23 | 2013-04-23 | Water sleeve heat insulation type rotary joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320208818 CN203189919U (en) | 2013-04-23 | 2013-04-23 | Water sleeve heat insulation type rotary joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203189919U true CN203189919U (en) | 2013-09-11 |
Family
ID=49106779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320208818 Expired - Fee Related CN203189919U (en) | 2013-04-23 | 2013-04-23 | Water sleeve heat insulation type rotary joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203189919U (en) |
-
2013
- 2013-04-23 CN CN 201320208818 patent/CN203189919U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20170423 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |