CN105020509A - Rotary connector with elastic colloid coated metal bellows compensator structure - Google Patents
Rotary connector with elastic colloid coated metal bellows compensator structure Download PDFInfo
- Publication number
- CN105020509A CN105020509A CN201410162423.3A CN201410162423A CN105020509A CN 105020509 A CN105020509 A CN 105020509A CN 201410162423 A CN201410162423 A CN 201410162423A CN 105020509 A CN105020509 A CN 105020509A
- Authority
- CN
- China
- Prior art keywords
- seal ring
- colloid
- metal bellows
- ceramic
- circlip
- 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.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
Abstract
The invention discloses a rotary connector with an elastic colloid coated metal bellows compensator structure. The rotary connector mainly solves the problem that in a metal bellows compensator, a bellows spring is replaced with a colloid body. The rotary connector is composed of a fixed segment and a rotating segment. The fixed segment comprises a water inflow cover, a first sealing ring, a first ceramic sealing ring and a first elastic check ring. The rotating segment comprises a second elastic check ring, a second ceramic sealing ring, a sealing head, a second sealing ring, a metal bellows, a colloid shell, the colloid body and a check valve. The rotary connector has the beneficial effects of being simple in structure, small in size, long in service life, large in flow area, wide in pressure resistant range and good in elasticity, and the highest pressure is 2.5 MPa.
Description
Technical field
The present invention relates to a kind of swivel joint, particularly a kind of swivel joint with elasticity encapsulate metal corrugated expension joint structure.
Background technique
Metal corrugated expension joint is widely used as a kind of mechanical seal device in swivel joint, be made up of metal bellows and spring, because metal bellows self does not have spring, general employing spring is arranged on the outer surface of metal bellows, by spring for its sealing provides elastic pre-stress, different sealing loads needs different pretightening forces, and the elastic force of spring and material, string diameter, internal-and external diameter, the correlate such as shape and heat treatment is very large, the elastic force changing spring needs to change a lot of parameter, the product of same specification different pressures, boundary dimension is not quite similar, the swivel joint that roll uses is mounted in the inside of roll substantially, roll is the limited space that swivel joint is reserved, after equipment lifting manufacturing efficiency, roll must improve each component of cooling effect guarantee equipment can not cross cause thermal damage, just need the delivery volume strengthening cooling liquid, the method improving cooling fluid supply amount has two kinds, one is adopt the method improving working pressure to improve the flow velocity of cooling liquid, two is the flow sectional areas increasing cooling channel, improve working pressure to redesign swivel joint head, the volume increasing pressurized component is only had just to make swivel joint can bear higher working pressure, because the outside dimension of swivel joint that provides of roll can not become, certainly will will reduce the internal diameter area of swivel joint like this to meet the withstand voltage requirement of swivel joint, discharge area reduces the supply that directly can affect cooling liquid, what this employing was robbed Peter to pay Paul improve one's methods can not meet apparatus cools demand, also easily there is fatigue phenomenon and cause spring to rupture suddenly or lost efficacy thus caused swivel joint to leak suddenly and cause equipment hang-up in spring in addition in the vibration environment that frequency is higher.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide that a kind of structure is simple, volume is little, the life-span is long, discharge area is large, withstand voltage scope is wide, a kind of swivel joint with encapsulate metal corrugated expension joint structure of excellent spring.
Technological scheme of the present invention is: a kind of swivel joint with elasticity encapsulate metal corrugated expension joint structure, be made up of holding part and rotation section two-part, described holding part comprises: water inlet lid, first seal ring, first ceramic-seal ring, first circlip, described rotation section comprises: the second circlip, second ceramic-seal ring, sealing head, second seal ring, metal bellows, colloid shell, colloid, one-way valve, it is characterized in that: described first seal ring is arranged at enter in one end inner-diameter end face seal groove of water lid, first ceramic-seal ring is arranged on an end face inside one end endoporus of water lid and contacts with the first seal ring and seal, other end contacts with the first circlip be arranged on in the internal diameter groove of one end of water lid, and cover by the first circlip is spacing form holding part with water inlet, second seal ring is arranged in one end inner-diameter end face seal groove of sealing head, second ceramic-seal ring is arranged on inside one end endoporus of sealing head, one end face contacts with the second seal ring and seals, the other end be arranged on sealing head one end internal diameter groove in the second circlip contact, and it is spacing to it by the second circlip 5, the other end of sealing head 7 welds with metal bellows 9 one end, metal bellows is arranged on the internal diameter of colloid shell 10, the other end of metal bellows 9 welds with colloid shell 10, the axle external diameter local of sealing head 7 is inserted inside the internal diameter of colloid shell 10, one-way valve 12 is arranged in the end-face helical hole of colloid shell 10, colloid 11 is filled with in the space between the internal diameter of colloid shell 1 and the external diameter of metal bellows when liquid state by by one-way valve 12, first sealed ceramic ring 3 and the second sealed ceramic ring 6 wiping seal.
Advantageous effect of the present invention is: structure is simple, volume is little, the life-span is long, discharge area is large, withstand voltage scope wide, maximum pressure 2.5MPa, excellent spring.
Accompanying drawing explanation
Fig. 1 is cross-sectional view of the present invention
Fig. 2 is the present invention's schematic diagram when installing
In figure, 1 is metal bellows for sealing head, 8 is the second seal ring, 9,10 is colloid shell, 11 is colloid, 12 is one-way valve for water inlet lid, 2 be the first seal ring, 3 be the first ceramic-seal ring, 4 be the first circlip, 5 to be the second circlip, 6 be the second ceramic-seal ring, 7.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in the figure, a kind of swivel joint with elasticity encapsulate metal corrugated expension joint structure, be made up of holding part and rotation section two-part, described holding part comprises: water inlet lid 1, first seal ring 2, first ceramic-seal ring 3, first circlip 4, rotation section comprise:
second circlip 5, the second ceramic-seal ring 6, sealing head 7, second seal ring 8, metal bellows 9, colloid shell 10, colloid 11, one-way valve 12, it is characterized in that: described first seal ring 2 is arranged at enter in one end inner-diameter end face seal groove of water lid 1, first ceramic-seal ring 3 is arranged on an end face inside one end endoporus of water lid 1 and contacts with the first seal ring 2 and seal, the other end contacts with the first circlip 4 be arranged on in the internal diameter groove of one end of water lid 1, and by the first circlip 4, it is spacingly covered form holding part with water inlet
second seal ring 8be arranged in one end inner-diameter end face seal groove of sealing head 7, second ceramic-seal ring 6 is arranged on inside one end endoporus of sealing head 7, one end face contacts with the second seal ring 8 and seals, the other end be arranged on sealing head 7 one end internal diameter groove in the second circlip 5 contact, and it is spacing to it by the second circlip 5, the other end of sealing head 7 welds with metal bellows 9 one end, metal bellows 9 arranges the internal diameter with colloid shell 10, the other end of metal bellows 9 welds with colloid shell 10, the axle external diameter local of sealing head 7 is inserted inside the internal diameter of colloid shell 10, one-way valve 12 is arranged in the end-face helical hole of colloid shell 10, colloid 11 is filled with in the space between the internal diameter of colloid shell 1 and the external diameter of metal bellows when liquid state by by one-way valve 12, section is being rotated through sulfuration sizing composition, in use holding part first sealed ceramic ring 3 and rotation section second sealed ceramic ring 6 wiping seal.
The elastic element that this swivel joint adopts metal bellows outer surface portion coated one deck elastic gel as compensation, this rubber adhesive not only has elastic performance, can also improve metal bellows withstand voltage properties.The king-sized operating mode of roller vibration is particularly suitable for because rubber itself has fine damping capaicty, effectively ensure that two friction sealed fit tightly contact quality, effectively can also alleviate the metal fatigue phenomenon of metal bellows because causing by vibrations, this colloid can select different colloid according to the difference of Environmental Conditions, can according to different working condition pressure colloid be sulfided into the elastomer of different hardness thus obtain different elasticity dynamics, thus do not need the way of the external diameter or reduction internal diameter increasing swivel joint just can adapt to the requirement of higher pressure medium, two ceramic-seal rings change dull surface to grinding friction sealed into by minute surface, effectively alleviate two friction sealed in time grinding sealing negative-pressure adsorption power, reduce the torsional moment of bellows in initial start stage, swivel joint is rotated more flexible.This encapsulate metal corrugated expension joint is not only applicable to this type of swivel joint, equally can be applied to other the swivel joint in machinery industry standard yet.Applicable rotating speed of the present invention 200 revs/min, maximum pressure 2.5MPa, temperature 180 DEG C, the working condition of frequent vibration, suitable water, wet goods medium.
More than that a kind of specific embodiment structure provided by the invention is described in detail; the present embodiment just understands design method of the present invention and core concept for helping; simultaneously to those skilled in the art; the essence designed according to thought of the present invention is identical, all within scope.In sum, this description can not be interpreted as limitation of the present invention.
Claims (1)
1. one kind has the swivel joint of elasticity encapsulate metal corrugated expension joint structure, be made up of holding part and rotation section two-part, described holding part comprises: water inlet lid, first seal ring, first ceramic-seal ring, first circlip, described rotation section comprises: the second circlip, second ceramic-seal ring, sealing head, second seal ring, metal bellows, colloid shell, colloid, one-way valve, it is characterized in that: described first seal ring is arranged at enter in one end inner-diameter end face seal groove of water lid, first ceramic-seal ring is arranged on an end face inside one end endoporus of water lid and contacts with the first seal ring and seal, other end contacts with the first circlip be arranged on in the internal diameter groove of one end of water lid, and cover by the first circlip is spacing form holding part with water inlet, second seal ring is arranged in one end inner-diameter end face seal groove of sealing head, second ceramic-seal ring is arranged on inside one end endoporus of sealing head, one end face contacts with the second seal ring and seals, the other end be arranged on sealing head one end internal diameter groove in the second circlip contact, and it is spacing to it by the second circlip, the other end of sealing head welds with metal bellows one end, metal bellows is arranged on the internal diameter of colloid shell, the other end of metal bellows welds with colloid shell, the axle external diameter local of sealing head is inserted inside the internal diameter of colloid shell, one-way valve is arranged in the end-face helical hole of colloid shell, colloid when liquid state by the space be filled with by one-way valve between the internal diameter of colloid shell and the external diameter of metal bellows, first sealed ceramic ring and the second sealed ceramic ring wiping seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162423.3A CN105020509B (en) | 2014-04-22 | 2014-04-22 | Rotary connector with elastic colloid coated metal bellows compensator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410162423.3A CN105020509B (en) | 2014-04-22 | 2014-04-22 | Rotary connector with elastic colloid coated metal bellows compensator structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105020509A true CN105020509A (en) | 2015-11-04 |
| CN105020509B CN105020509B (en) | 2017-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410162423.3A Active CN105020509B (en) | 2014-04-22 | 2014-04-22 | Rotary connector with elastic colloid coated metal bellows compensator structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN105020509B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143707A (en) * | 2017-06-30 | 2017-09-08 | 天津滨海设备配套技术有限公司 | Butt sealing formula high temperature pipe and dock swivel joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2407745A (en) * | 1944-08-09 | 1946-09-17 | Jacobson Franz | Rotary joint |
| CN2085896U (en) * | 1991-01-30 | 1991-10-02 | 管彦华 | Rotary joint with case made of glassfiber reinforced plastics |
| DE19605797A1 (en) * | 1996-02-16 | 1997-08-28 | Georg Springmann Ind Und Bergb | Rotary union |
| CN202852270U (en) * | 2012-09-22 | 2013-04-03 | 山东飞越机械有限公司 | High-temperature heat-conduction-oil dual-seal-type rotating connector |
| CN103216692A (en) * | 2000-04-07 | 2013-07-24 | 乔格斯布林曼工业及采矿技术有限公司 | Rotatable lead-through joint |
| CN203784521U (en) * | 2014-04-22 | 2014-08-20 | 山东飞越机械有限公司 | Rotating joint adopting elastic rubber-coated metal bellows compensator structure |
-
2014
- 2014-04-22 CN CN201410162423.3A patent/CN105020509B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2407745A (en) * | 1944-08-09 | 1946-09-17 | Jacobson Franz | Rotary joint |
| CN2085896U (en) * | 1991-01-30 | 1991-10-02 | 管彦华 | Rotary joint with case made of glassfiber reinforced plastics |
| DE19605797A1 (en) * | 1996-02-16 | 1997-08-28 | Georg Springmann Ind Und Bergb | Rotary union |
| CN103216692A (en) * | 2000-04-07 | 2013-07-24 | 乔格斯布林曼工业及采矿技术有限公司 | Rotatable lead-through joint |
| CN202852270U (en) * | 2012-09-22 | 2013-04-03 | 山东飞越机械有限公司 | High-temperature heat-conduction-oil dual-seal-type rotating connector |
| CN203784521U (en) * | 2014-04-22 | 2014-08-20 | 山东飞越机械有限公司 | Rotating joint adopting elastic rubber-coated metal bellows compensator structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143707A (en) * | 2017-06-30 | 2017-09-08 | 天津滨海设备配套技术有限公司 | Butt sealing formula high temperature pipe and dock swivel joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105020509B (en) | 2017-01-25 |
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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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Rotary joint with elastic rubber coated metal bellows compensator structure Effective date of registration: 20221205 Granted publication date: 20170125 Pledgee: Tengzhou sub branch of Postal Savings Bank of China Ltd. Pledgor: SHANDONG FEIYUE MACHINERY Co.,Ltd. Registration number: Y2022980024670 |