CN205037001U - Rotary joint who adapts to cold and hot medium - Google Patents
Rotary joint who adapts to cold and hot medium Download PDFInfo
- Publication number
- CN205037001U CN205037001U CN201520787010.4U CN201520787010U CN205037001U CN 205037001 U CN205037001 U CN 205037001U CN 201520787010 U CN201520787010 U CN 201520787010U CN 205037001 U CN205037001 U CN 205037001U
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- housing
- hollow shaft
- cold
- rear end
- front cover
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Abstract
The utility model discloses a rotary joint who adapts to cold and hot medium, including rear end cap, casing and front end housing, rear end cap and front end housing are installed respectively at the both ends of casing, and the surface of rear end cap is run through and is equipped with the inner tube, and the surface of front end housing is run through and is equipped with the hollow shaft to in the hollow shaft extended to the casing, the inner tube was then the inside of inside through the casing and hollow shaft extends to the outside, the inside of casing and lie in the inner tube on the cover combination formula corrugated metal elasticity sealing element is equipped with, the outer surface set of hollow shaft has two high temperature UN floating seals rings. This rotary joint who adapts to cold and hot medium and other rotary joint compare, and combination formula corrugated metal elasticity sealing element can be at continuous use under the operating mode of cold and hot transition, and the accessory that does not need to be changed uses, and life is showing to be increased, guarantees the security performance of rotary joint in the use, the holistic simple structure of rotary joint simultaneously, and the installation and maintenance is simple and convenient.
Description
Technical field
The utility model relates to swivel joint technical field, is specially a kind of swivel joint adapting to cold and hot medium.
Background technique
The design of general swivel joint, high/low temperature uses material all must separate; Under the high temperature conditions, working life is shorter for swivel joint, and when temperature is higher, interior metal and non-metallic seal easily cause thermal expansion or distortion, easily occurs leaking in operation process; Simultaneously, usually restriction uses less pressure and lower rotating speed at high operating temperatures, when circulation conduction oil medium, high-temperature hot oil contacts with air, easy generation chemical reaction, causes coking or thermal cracking, and oil coke is attached to swivel joint steel piece surface or interior fittings surface, easily make bad seals, cause the leakage of medium; Under cooling action, swivel joint requires very high to the balance of working pressure suffered by inner seal ring two ends, need guarantee that both sides are in relative balance state, just can reach stable, reliable effect, and general cooling water swivel joint is also lower to the requirement of inner fitment material; The swivel joint that market can be suitable for simultaneously cold and hot medium is comparatively rare, some rubber and plastics, gummed, the dyeing apparatus demand to this series products rolls up again, in order to meet the demand of customer equipment to the media drive that colds and heat succeed each other, for this reason, we propose a kind of swivel joint adapting to cold and hot medium.
Model utility content
The purpose of this utility model is to provide a kind of swivel joint adapting to cold and hot medium, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme: a kind of swivel joint adapting to cold and hot medium, comprise rear end cover, housing and front cover, described rear end cover and front cover are arranged on the two ends of housing respectively, and be provided with axle card in the inside of front cover, the surface of described rear end cover is run through and is provided with interior pipe, the surface of described front cover is run through and is provided with hollow shaft, and hollow shaft extends in housing, and interior Guan Ze extends to outside by the inside of housing and the inside of hollow shaft.
The inside of described housing and be positioned on pipe and be set with combined metal ripple elastic sealing elements and complex sealing ring, described combined metal ripple elastic sealing elements is connected with the end of hollow shaft by complex sealing ring, and the inside of complex sealing ring and the surface being positioned at pipe is provided with setting sleeve.
The outer surface of described hollow shaft is set with bearing and two high temperature UN fluctuate hermetical rings, described bearing is fixed on housing in the end of front cover, and between bearing, be provided with bearing spacer, one of them high temperature UN fluctuate hermetical ring is arranged in the bulge loop of the enclosure interior of hollow shaft end, and another high temperature UN fluctuate hermetical ring is then arranged in front cover.
Preferably, gasket seal is provided with between described rear end cover and housing.
Preferably, described rear end cover, connection between front cover and housing are all by hex head bolt pretension.
Preferably, described complex sealing ring is leaching antimony carbon graphite ring, and has high strength alloy in the outer installment of leaching antimony carbon graphite ring.
Compared with prior art, the beneficial effects of the utility model are: 1, compared with other swivel joints, combined metal ripple elastic sealing elements can use continuously under the operating mode colded and heat succeed each other, do not need to change accessory to use, working life significantly increases, and guarantees swivel joint Safety performance in use.
2, unique medium external structure design, adopt the combined metal ripple elastic sealing elements of special high temperature resistant spring+refractory metal bellow expansion joint+high temperature resistant, wear-resistant seal material, by combined metal ripple elastic sealing elements, internal structure and circulation medium are kept apart comprehensively, avoid interior fittings to be soaked in for a long time in high temperature media, there is weak phenomenon, greatly strengthen the elastic compensating ability of seal arrangement, thus enhance sealability and the reliability of swivel joint.
3, use the compensating element that combined metal ripple elastic sealing elements is sealing, the thermal distortion of Absorbable rod running shaft and inside cavity axis, transverse direction and angle, and it is high-low temperature resistant, corrosion-resistant, the vibration that Absorbable rod causes due to equipment decentraction, reduces vibration equipment to the impact of seal fitting.
4, there is the high temperature resistant UN fluctuate hermetical ring of unique design, extend the available machine time of swivel joint and equipment, and go for having to high temperature, high pressure, high rotating speed the complex working condition simultaneously required.
5, the double seal design of front and back two pass high temperature UN fluctuate hermetical ring, applying working condition severe with the external world for bearing is thoroughly isolated by front one high temperature UN fluctuate hermetical ring mutually, and bearing is not affected by the external environment when running; Rear one high temperature UN fluctuate hermetical ring both ensure that the reliability of swivel joint inner sealing, even if in turn ensure that the elements such as bearing also can not be affected when there is leakage inside, ensure that bearing traveling comfort.
6, the box-like seal ring design of specific group, what namely seal ring itself adopted is high temperature resistant, wear-resisting import leaching antimony carbon graphite material, and special shock-resistant, high voltage bearing high strength alloy is designed with in seal ring outside, seal ring is increased working life greatly, guarantees working life and the Security of swivel joint entirety further.
7, the structure of swivel joint entirety is simple, and installation and maintenance is simple and convenient.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: pipe in 1 rear end cover, 2 gasket seals, 3 combined metal ripple elastic sealing elements, 4 complex sealing rings, 5 setting sleeves, 6 housings, 7 high temperature UN fluctuate hermetical rings, 8 bearings, 9 bearing spacers, 10 axle cards, 11 hollow shafts, 12 front covers, 13 hex head bolts, 14.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technological scheme: a kind of swivel joint adapting to cold and hot medium, comprise rear end cover 1, housing 6 and front cover 12, rear end cover 1 and front cover 12 are arranged on the two ends of housing 6 respectively, gasket seal 2 is provided with between rear end cover 1 and housing 6, gasket seal 2 adds the sealing between rear end cover 1 and housing 6, and in the inside of front cover 12, axle card 10 is installed, rear end cover 1, connection between front cover 12 and housing 6 is all by hex head bolt 13 pretension, the surface of rear end cover 1 is run through and is provided with interior pipe 14, the surface of front cover 12 is run through and is provided with hollow shaft 11, and hollow shaft 11 extends in housing 6, interior pipe 14 then extends to outside by the inside of housing 6 and the inside of hollow shaft 11.
The inside of housing 6 and be positioned on pipe 14 and be set with combined metal ripple elastic sealing elements 3 and complex sealing ring 4, combined metal ripple elastic sealing elements 3 is connected with the end of hollow shaft 11 by complex sealing ring 4, and the inside of the complex sealing ring 4 and surface being positioned at pipe 14 is provided with setting sleeve 5, combined metal ripple elastic sealing elements 3 is used to be the compensating element sealed, Absorbable rod running shaft and inside cavity are axially, the thermal distortion of transverse direction and angle, and high-low temperature resistant, corrosion-resistant, the vibration that Absorbable rod causes due to equipment decentraction, reduce vibration equipment to the impact of seal fitting, the box-like seal ring 4 of specific group designs, what namely seal ring itself adopted is high temperature resistant, wear-resisting import leaching antimony carbon graphite material, and be designed with special shock-resistant in seal ring outside, high voltage bearing high strength alloy, seal ring is increased working life greatly, guarantee working life and the Security of swivel joint entirety further.
The outer surface of hollow shaft 11 is set with bearing 8 and two high temperature UN fluctuate hermetical rings 7, bearing 8 is fixed on housing 6 in the end of front cover 12, and between bearing 8, be provided with bearing spacer 9, one of them high temperature UN fluctuate hermetical ring 7 is arranged in the bulge loop of housing 6 inside of hollow shaft 11 end, another high temperature UN fluctuate hermetical ring 7 is then arranged in front cover 12, complex sealing ring 4 is leaching antimony carbon graphite ring, and there is high strength alloy in the outer installment of leaching antimony carbon graphite ring, there is the high temperature resistant UN fluctuate hermetical ring 7 of unique design, extend the available machine time of swivel joint and equipment, and go for high temperature, high pressure, high rotating speed has the complex working condition simultaneously required, the double seal design of front and back two pass high temperature UN fluctuate hermetical ring 7, applying working condition severe with the external world for bearing 8 is thoroughly isolated by front one high temperature UN fluctuate hermetical ring 7 mutually, bearing 8 is not affected by the external environment when running, rear one high temperature UN fluctuate hermetical ring 7 both ensure that the reliability of swivel joint inner sealing, even if in turn ensure that element such as bearing 8 grade also can not be affected when there is leakage inside, ensure that bearing 8 traveling comfort.
Compared with other swivel joints, combined metal ripple elastic sealing elements 3 can use continuously under the operating mode colded and heat succeed each other, do not need to change accessory to use, working life significantly increases, guarantee swivel joint Safety performance in use, unique medium external structure design, adopt special high temperature resistant spring+refractory metal bellow expansion joint+high temperature resistant, the combined metal ripple elastic sealing elements 3 of wear-resistant seal material, by combined metal ripple elastic sealing elements 3, internal structure and circulation medium are kept apart comprehensively, avoid interior fittings to be soaked in for a long time in high temperature media, there is weak phenomenon, greatly strengthen the elastic compensating ability of seal arrangement, thus enhance sealability and the reliability of swivel joint, the structure of swivel joint entirety is simple, installation and maintenance is simple and convenient.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (4)
1. one kind adapts to the swivel joint of cold and hot medium, comprise rear end cover (1), housing (6) and front cover (12), described rear end cover (1) and front cover (12) are arranged on the two ends of housing (6) respectively, and in the inside of front cover (12), axle card (10) is installed, it is characterized in that: the surface of described rear end cover (1) is run through and is provided with interior pipe (14), the surface of described front cover (12) is run through and is provided with hollow shaft (11), and hollow shaft (11) extends in housing (6), interior pipe (14) then extends to outside by the inside of housing (6) and the inside of hollow shaft (11),
The inside of described housing (6) and be positioned on pipe (14) and be set with combined metal ripple elastic sealing elements (3) and complex sealing ring (4), described combined metal ripple elastic sealing elements (3) is connected by the end of complex sealing ring (4) with hollow shaft (11), and the inside of complex sealing ring (4) and the surface being positioned at pipe (14) is provided with setting sleeve (5);
The outer surface of described hollow shaft (11) is set with bearing (8) and two high temperature UN fluctuate hermetical rings (7), described bearing (8) is fixed on housing (6) in the end of front cover (12), and between bearing (8), be provided with bearing spacer (9), one of them high temperature UN fluctuate hermetical ring (7) is arranged in the bulge loop of housing (6) inside near hollow shaft (11) end, and another high temperature UN fluctuate hermetical ring (7) is then arranged in front cover (12).
2. a kind of swivel joint adapting to cold and hot medium according to claim 1, is characterized in that: be provided with gasket seal (2) between described rear end cover (1) and housing (6).
3. a kind of swivel joint adapting to cold and hot medium according to claim 1, is characterized in that: described rear end cover (1), connection between front cover (12) and housing (6) are all by hex head bolt (13) pretension.
4. a kind of swivel joint adapting to cold and hot medium according to claim 1, is characterized in that: described complex sealing ring (4) is leaching antimony carbon graphite ring, and has high strength alloy in the outer installment of leaching antimony carbon graphite ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787010.4U CN205037001U (en) | 2015-10-13 | 2015-10-13 | Rotary joint who adapts to cold and hot medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520787010.4U CN205037001U (en) | 2015-10-13 | 2015-10-13 | Rotary joint who adapts to cold and hot medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205037001U true CN205037001U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520787010.4U Expired - Fee Related CN205037001U (en) | 2015-10-13 | 2015-10-13 | Rotary joint who adapts to cold and hot medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205037001U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135111A (en) * | 2015-10-13 | 2015-12-09 | 福建省闽旋科技股份有限公司 | Rotary joint applicable to cold and hot media |
| CN112197087A (en) * | 2020-10-09 | 2021-01-08 | 江苏恒昌波纹管有限公司 | Flexibly-rotating and high-pressure-resistant rotary compensator |
-
2015
- 2015-10-13 CN CN201520787010.4U patent/CN205037001U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105135111A (en) * | 2015-10-13 | 2015-12-09 | 福建省闽旋科技股份有限公司 | Rotary joint applicable to cold and hot media |
| CN105135111B (en) * | 2015-10-13 | 2017-11-07 | 福建省闽旋科技股份有限公司 | A kind of swivel joint for adapting to cold and hot medium |
| CN112197087A (en) * | 2020-10-09 | 2021-01-08 | 江苏恒昌波纹管有限公司 | Flexibly-rotating and high-pressure-resistant rotary compensator |
| CN112197087B (en) * | 2020-10-09 | 2022-03-22 | 江苏恒昌波纹管有限公司 | Flexibly-rotating and high-pressure-resistant rotary compensator |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20191013 |