CN103047501B - Gas swivel joint - Google Patents
Gas swivel joint Download PDFInfo
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- CN103047501B CN103047501B CN201210498927.3A CN201210498927A CN103047501B CN 103047501 B CN103047501 B CN 103047501B CN 201210498927 A CN201210498927 A CN 201210498927A CN 103047501 B CN103047501 B CN 103047501B
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- main shaft
- rotary main
- adapter body
- vacuum room
- rotating shaft
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Abstract
The present invention relates to a kind of connected element, especially relate to a kind of gas swivel joint.This gas swivel joint, comprise rotary main shaft, one end of described rotary main shaft is coaxially connected with adapter body, described rotary main shaft inside is provided with the first vacuum room, described adapter body inside is provided with the second vacuum room, first vacuum room and the second vacuum room are conducted, described rotary main shaft is provided with the vacuum outlet be connected with the first vacuum room, described adapter body is provided with the vacuum interface be connected with the second vacuum room, the axle center place of rotary main shaft and adapter body is provided with inflation rotating shaft pipe, first vacuum room and the second vacuum room are evenly around inflation rotating shaft pipe, adapter body is fixedly installed gas-charging connection away from one end of rotary main shaft, gas-charging connection is connected with inflation rotating shaft pipe.The present invention have can ensure inflation path parallel with evacuated path and evenly around spin axis, there is the beneficial effects such as higher sealing.
Description
Technical field
The present invention relates to a kind of connected element, especially relate to a kind of gas swivel joint.
Background technique
Existing rotating machinery, need carry out inflation to rotating machinery inside and vacuumize simultaneously, but neither one assembly connecting head in prior art, can only inflator and vacuum pump be connected on rotating machinery, and be connected to the diverse location of rotating machinery, the easy rotation affecting rotating machinery, and cannot ensure to inflate path and the path vacuumized can the parallel and even axis around rotating machinery.And this connection complicated, be not easy to maintenance, repair and replacing.Inflation and vacuumize two passages and all need higher sealing, not only can not leak gas, but also will ensure sealing between two passages, do not reveal.Some joint is only applicable to the loop of circulation cooling water, and sealability is poor, easily mutually leaks, but be not suitable for circulated gases between water inlet and backwater.
Summary of the invention
The present invention mainly for existing rotating machinery needs inflate simultaneously with vacuumize, do not possess can by inflation with vacuumize that merge on same joint and cannot ensure to inflate path and the path vacuumized can be parallel and evenly around the problem such as axis of rotating machinery, provide a kind of can connect simultaneously inflator and vacuum pump, guarantee inflation path parallel with evacuated path and evenly around spin axis, do not affect normal rotation, there is higher sealing, avoid inflating and vacuumize the gas swivel joint mutually leaked.
Object of the present invention is mainly achieved by following proposal: a kind of gas swivel joint, comprise rotary main shaft, one end of described rotary main shaft is coaxially connected with adapter body, described rotary main shaft inside is provided with the first vacuum room, described adapter body inside is provided with the second vacuum room, first vacuum room and the second vacuum room are conducted, described rotary main shaft is provided with the vacuum outlet be connected with the first vacuum room, described adapter body is provided with the vacuum interface be connected with the second vacuum room, the axle center place of rotary main shaft and adapter body is provided with inflation rotating shaft pipe, described inflation rotating shaft pipe and rotary main shaft are fixedly linked, the first described vacuum room and the second vacuum room are evenly around inflation rotating shaft pipe, described adapter body is fixedly installed gas-charging connection away from one end of rotary main shaft, described gas-charging connection is connected with inflation rotating shaft pipe.One end of rotary main shaft can to connect or be embedded on rotating machinery and to follow rotating machinery and rotates, be coaxially connected with adapter body at the other end of rotary main shaft, ensure that rotary main shaft steadily can rotate along the axial direction of adapter body and rotary main shaft.Arrange inflation rotating shaft pipe at the axle center place of rotary main shaft and adapter body, inflation rotating shaft pipe is fixedly connected with rotary main shaft near one end of rotary main shaft, and when rotary main shaft rotates, inflation rotating shaft pipe is followed rotary main shaft and carried out synchronous rotary.And be connected with gas-charging connection at inflation rotating shaft pipe away from one end of rotary main shaft, inflator can be connected on gas-charging connection and inflation rotating shaft pipe is inflated, the gas be filled with enters inflation rotating shaft pipe along gas-charging connection and is filled with in the rotating machinery be connected with rotary main shaft along inflation rotating shaft pipe, meets and inflates rotating machinery.Arrange the first vacuum room in rotary main shaft inside, arrange the second vacuum room in adapter body inside, the first vacuum room and the second vacuum room are conducted, and the first vacuum room and the second vacuum room are all uniformly distributed around inflation rotating shaft pipe.Adapter body arranges vacuum connect, vacuum interface is connected with the second vacuum room, rotary main shaft arranges vacuum outlet, vacuum pump can be connected on vacuum connect and to extracting vacuum in the second vacuum room, because the second vacuum room and the first vacuum room are conducted, can simultaneously to vacuumizing in the first vacuum room and being vacuumized the position needing in rotating machinery to vacuumize by vacuum outlet.Only need inflator and vacuum pump be connected on swivel joint, not only can not affect the rotation of the rotating machinery of rotary main shaft and needs connection, and can ensure that whole swivel joint can ensure inflation and vacuumize to carry out simultaneously.The axle center place of adapter body and rotary main shaft, the first vacuum room and the second vacuum room is positioned at evenly around inflation rotating shaft pipe owing to inflating rotating shaft pipe, ensure inflation and vacuumize can be parallel and evenly around the axial direction of rotary main shaft, ensure inflate and vacuumize coaxially and evenly operate, and inflation can be avoided and vacuumize leaking each other.Only inflator and vacuum pump need be connected on swivel joint simultaneously, just can not affect rotating machinery and rotate, and rotating machinery inside be inflated and vacuumized simultaneously, connect simply, be convenient to maintenance, repair and replacing.
As preferably, described connection main body comprises shell, described shell is provided with fixed operating sleeve near one end of rotary main shaft, described fixed operating sleeve is positioned at enclosure away from one end of rotary main shaft and is fixedly connected with the internal surface of shell, described fixed operating sleeve is provided with fixed tray near one end of rotary main shaft, described rotary main shaft is connected with fixed tray by land, and described rotary main shaft and land are rotationally connected.Connect main body and comprise shell, be the second vacuum room in shell, at shell, fixed operating sleeve be set near one end of rotary main shaft.And fixed operating sleeve is embedded at enclosure away from one end of rotary main shaft and is fixedly connected with the internal surface of shell, ensures the sealing of the second vacuum room, avoid the gas leakage of the second vacuum room.At fixed operating sleeve, fixed tray is set near one end of rotary main shaft, rotary main shaft arranges a land, fixed tray and land are fixed together, adapter body can be made to be connected with rotary main shaft.And rotary main shaft can rotate in land, the first vacuum room and the second vacuum room can be made to be conducted formation vacuum way, ensure the sealing of whole vacuum way, and can ensure that rotary main shaft normally rotates under the motionless prerequisite of adapter body.
As preferably, described fixed operating sleeve is provided with seal ring near one end end face of rotary main shaft and rotary main shaft between one end end face of fixed operating sleeve.Between one end end face of fixed operating sleeve, seal ring is provided with near one end end face of rotary main shaft and rotary main shaft at fixed operating sleeve, sealed by the joint of seal ring butt joint main body and rotary main shaft, and strengthen the sealing of the first vacuum room and the second vacuum room joint under the prerequisite that rotates of, rotary main shaft motionless in adapter body.
As preferably, the enclosure of adapter body is provided with preloading spring away between one end end face of fixed operating sleeve and one end end face of fixed operating sleeve away from fixed tray.In the enclosure of adapter body, preloading spring is set away between one end end face of fixed operating sleeve and one end end face of fixed operating sleeve away from fixed tray, by the pretightening force of preloading spring, fixed operating sleeve one end away from rotary main shaft is fixed, prevent fixed operating sleeve from moving axially, ensure the connection sealing between fixed operating sleeve and the shell of adapter body.
As preferably, described rotary main shaft inside is provided with several locking support sheets, and described one end of locking support sheet is connected with the inwall of rotary main shaft, the other end is connected with inflation rotating shaft pipe.Several locking support sheets are set in rotary main shaft, one end of locking support sheet is connected with the inwall of rotary main shaft, the other end is connected with inflation rotating shaft pipe, locking support sheet is supported inflation rotating shaft pipe, make inflation rotating shaft pipe be positioned at the axle center place of rotary main shaft all the time, avoid inflation rotating shaft pipe deflection.
As preferably, described locking support sheet is evenly around the distribution of inflation rotating shaft pipe.Locking support sheet, evenly around inflation rotating shaft pipe, ensures that locking support sheet applies uniform support force to inflation rotating shaft pipe.
As preferably, described fixed tray is connected with land bolt.Fixed tray and land are bolted, and are convenient to installation and removal.
As preferably, described gas-charging connection inside is provided with plenum chamber, described plenum chamber is connected with inflation rotating shaft pipe, and described plenum chamber is provided with rotary bearing with inflation rotating shaft pipe connection, is provided with the first Sealing between the second vacuum room in described plenum chamber and adapter body.Gas-charging connection inside has plenum chamber, plenum chamber is connected with inflation rotating shaft pipe, at plenum chamber and inflation rotating shaft pipe joint, rotary bearing is set, when carrying out plenum chamber to gas-charging connection, gas enters inflation rotating shaft pipe by plenum chamber, and inflation rotating shaft pipe follows rotary main shaft when rotating, rotary bearing be convenient to inflate rotating shaft pipe rotation, avoid gas-charging connection to affect the rotation of inflation rotating shaft pipe, and can to support inflation rotating shaft pipe.First Sealing is set between plenum chamber and the second vacuum room, prevents plenum chamber and the second vacuum room from mutually leaking.
As preferably, described rotary main shaft is provided with fixing seal joint away from one end of adapter body, and described fixing seal joint is between inflation rotating shaft pipe and rotary main shaft.Inflation rotating shaft pipe is connected with one end end winding support of rotary main shaft away from adapter body by fixing seal joint, can not make inflation rotating shaft pipe and rotary main shaft synchronous rotary, and can ensure that the first vacuum room of rotary main shaft inside leaks.
As preferably, between described fixed operating sleeve and the inner surface of outer cover of adapter body, be provided with the second Sealing.Second Sealing is set between fixed operating sleeve and the inner surface of outer cover of adapter body, seals between fixed operating sleeve and adapter body, strengthen the sealing of the second vacuum room, prevent the second vacuum room from leaking.
Therefore, gas swivel joint of the present invention possesses following advantage: 1, at the axle center place of rotary main shaft and adapter body, inflation rotating shaft pipe is set, time inflation rotating shaft pipe follow rotary main shaft and carry out synchronous rotary, and adapter body does not need to rotate, inflate while the rotation not affecting rotary main shaft and be connected to the rotating machinery on rotary main shaft, and the first vacuum room is set in rotary main shaft inside, in adapter body inside, the second vacuum room is set, first vacuum room and the second vacuum room are conducted, by vacuumizing the second vacuum room, the first vacuum room and the rotating machinery be connected on rotary main shaft are vacuumized, inflation rotating shaft pipe is as inflation path, first vacuum room and the second vacuum room are as evacuated path, ensure can not mutually leak between inflation path and evacuated path, and inflator and vacuum pump are connected on swivel joint simultaneously, connect simple, be convenient to safeguard, maintenance and replacing, 2, in adapter body, fixed operating sleeve is set near the side of rotary main shaft, be connected with rotary main shaft by fixed operating sleeve, one end of fixed operating sleeve is embedded in adapter body inner, the rotation of rotary main shaft is not affected under the prerequisite that adapter body is motionless, and fixed operating sleeve is fixed on the internal surface of adapter body, the sealing of the second vacuum room can be strengthened, 3, seal ring is set in the joint of fixed operating sleeve and rotary main shaft, strengthens the sealing of the first vacuum room and the second vacuum room joint, 4, preloading spring is set between the inner end face away from fixed operating sleeve of adapter body and fixed operating sleeve, can extrudes fixed operating sleeve, avoid fixed operating sleeve to move axially, strengthen the sealing of the second vacuum room, 5, locking support sheet is set in rotary main shaft inside, by locking support sheet, inflation rotating shaft pipe is supported and fixed, avoid inflation rotating shaft pipe to cause bias when following rotary main shaft and rotating, 6, be connected with gas-charging connection in adapter body away from one end of rotary main shaft, gas-charging connection inside is provided with plenum chamber, plenum chamber is conducted with inflation rotating shaft pipe, avoids gas-charging connection to affect the rotation of inflation rotating shaft pipe, 7, between the second vacuum room and plenum chamber, be provided with the first Sealing, strengthen the sealing between the second vacuum room and plenum chamber, avoid the second vacuum room and plenum chamber mutually to leak, 8, between fixed operating sleeve and adapter body internal surface, be provided with the second Sealing, strengthen the sealing of the second vacuum room, 9, rotary main shaft is fixedly connected with inflation rotating shaft pipe by fixing seal joint away from one end of adapter body, can not only carry out support and fix, and can strengthen the sealing of the first vacuum room to inflation rotating shaft pipe.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of sectional view of the present invention;
Accompanying drawing 2 is A-A place sectional views in accompanying drawing 1.
Illustrate: 1-rotary main shaft, 2-adapter body, 3-inflates rotating shaft pipe, 4-first vacuum room, 5-second vacuum room, 6-fixed operating sleeve, 7-fixed tray, 8-land, 9-locking support sheet, 10-seal ring, 11-gas-charging connection, 12-first Sealing, 13-rotary bearing, 14-fixing seal joint, 15-vacuum outlet, 16-vacuum interface, 17-plenum chamber, 18-second Sealing, 19-preloading spring, 20-shell.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, 2, a kind of gas swivel joint, comprises rotary main shaft 1 and adapter body 2, and rotary main shaft 1 and adapter body 2 are positioned on same axis.The inner hollow of rotary main shaft 1 has the first vacuum room 4, and adapter body 2 comprises shell, and enclosure has the second vacuum room 5, and adapter body 2 has vacuum interface 16, and vacuum connect 16 is conducted with the second vacuum room 5 of adapter body 2 inside; Rotary main shaft 1 has vacuum outlet 15, and vacuum outlet 15 is conducted with the first vacuum room 4 of rotary main shaft 1 inside.Near one end of rotary main shaft 1, fixed operating sleeve 6 is installed in adapter body 2, fixed operating sleeve 6 is positioned at the inside of adapter body 2 away from one end of rotary main shaft 1, and fixed operating sleeve 6 fit with the inner surface of outer cover of adapter body 2 by the second Sealing 18 and fixed.Integrally be connected with fixed tray 7 at fixed operating sleeve 6 near one end of rotary main shaft 1, be arranged with land 8 at rotary main shaft 1 outside one end of fixed operating sleeve 6, rotary main shaft 1 relatively can rotate in land 8.Fixed tray 7 and land 8 are bolted, and adapter body 2 is connected with rotary main shaft 1.Between one end end face of rotary main shaft 1, seal ring 10 is connected with near one end end face of adapter body 2 and adapter body 2 at rotary main shaft 1, seal ring 10 can not affect the rotation of rotary main shaft 1, and is sealed by the joint of spin friction to rotary main shaft 1 and adapter body 2.The inside of adapter body 2 away from be provided with between one end end face of fixed operating sleeve 6 and fixed operating sleeve 6 preloading spring 19 preloading spring 19 compress after one end and adapter body 2 is touched away from one end contacted inner surfaces of fixed operating sleeve 6, the end face of the other end and fixed operating sleeve 6 is inconsistent.Be provided with inflation rotating shaft pipe 3 at the axle center place of rotary main shaft 1 and adapter body 2, adapter body 2 is provided with gas-charging connection 11 away from one end of rotary main shaft 1, and gas-charging connection 11 inside has the cavity of plenum chamber 17, and plenum chamber 17 is conducted with inflation rotating shaft pipe 3.The first Sealing 13 is installed with between plenum chamber 17 and the second vacuum room 5 of adapter body 2 inside.At inflation rotating shaft pipe 3, one end of gas-charging connection 11 is provided with rotary bearing 13, rotary bearing 13 is positioned at the joint of gas-charging connection 11 and adapter body 2.One end end face of rotary main shaft 1 away from adapter body 2 is installed with fixing seal joint 14, and fixing seal joint 14 is between rotary main shaft 1 and inflation rotating shaft pipe 3, and inflation rotating shaft pipe 3 is fixedly linked by fixing seal joint 14 and rotary main shaft 1.Near the inside, one end of fixed operating sleeve 6, three locking support sheets 9 are installed at rotary main shaft 1, one end of locking support sheet 9 is connected with the internal surface of rotary main shaft 1, the other end is connected with inflation rotating shaft pipe 3, and three locking support sheets 9 evenly distribute around inflation rotating shaft pipe 3.
If when using swivel joint inflate vacuum tattoo machine inside and vacuumize, be embedded at by rotary main shaft 1 on the rotating machinery of needs connection simultaneously, and make the corresponding position needing to vacuumize at rotating machinery, the position of the vacuum outlet 15 on rotary main shaft 1.Vacuum pump is connected on the vacuum interface 16 in adapter body 2, then inflator is connected on gas-charging connection 11.When rotating machinery rotates, can rotate by driven rotary main shaft 1, inflation rotating shaft pipe 3 is followed rotary main shaft 1 by fixing seal joint 14 and is carried out synchronous rotary.Because inflation rotating shaft pipe 3 is provided with rotary bearing 13 near gas-charging connection 11 place, rotary bearing can support inflation rotating shaft pipe 3, and adapter body 2 can not be driven to rotate when inflating rotating shaft pipe 3 and rotating.Therefore, when rotary main shaft 1 rotates, shell relative rotary main shaft 1 transfixion of adapter body 2.Inflate rotating shaft pipe 3 follow rotary main shaft 1 rotate time, the locking support sheet 9 of rotary main shaft 1 inside can apply uniform support force to inflation rotating shaft pipe 3, avoid inflation rotating shaft pipe 3 eccentric, and locking support sheet can carry out in rotary moving along the internal surface of rotary main shaft 1, the rotation of inflation rotating shaft pipe 3 can not be affected.When opening inflator, gas is filled with in gas-charging connection 11 by inflator, and enter inflation rotating shaft pipe 3 along plenum chamber 17, gas enters in the rotating machinery be connected on rotary main shaft 1 through gas overcharging rotating shaft pipe 3, ensures the axis of rotation of rotating machinery that inflation path is positioned at whole swivel joint and is connected with swivel joint.When opening vacuum pump, can be vacuumized in the second vacuum room 5 by vacuum interface 16, and then can vacuumize in the first vacuum room 4, and by vacuum outlet 15, the rotating mechanism be connected with rotary main shaft 1 be vacuumized.Because the first vacuum room 4 and the second vacuum room 5 are evenly around inflation rotating shaft pipe 3, i.e. the even axle center around rotary main shaft 1, can ensure the path parallel that vacuumizes and evenly around rotary main shaft 1 and the axle center of rotating machinery that is connected with rotary main shaft 1.When rotary main shaft 1 rotates, seal ring 10 can strengthen the sealing of the first vacuum room 4 and the second vacuum room 5 connecting place, and preloading spring 19 is installed being fixedly connected with between pipe 6 and adapter body 2 internal end surface, fixed operating sleeve 6 is extruded by preloading spring 19, avoid causing moving axially of fixed operating sleeve 6 when rotary main shaft 1 rotates, strengthen sealing.Fixed operating sleeve 6 is fitted fixing by the second Sealing 18 and the inner surface of outer cover of adapter body 2, strengthens the sealing of the second vacuum room 5.Rotary main shaft 1 can not only support inflation rotating shaft pipe 3 away from the fixing seal joint 14 of one end of adapter body 2, and can strengthen the sealing of the first vacuum room 4.By the first vacuum room 4 and the second vacuum room 5 as the path vacuumized, and the second Sealing 18, seal ring 10 and fixing seal joint 14 all can strengthen the sealing in the whole path vacuumized, and leak gas when avoiding vacuumizing.Between plenum chamber 17 and the second vacuum room 5, there is the first Sealing 12, plenum chamber 17 can be avoided and occur mutual situation of leaking between inflation rotating shaft pipe 3 and the second vacuum room 5.Whole swivel joint not only can not affect the normal rotation of rotary main shaft 1, and can make inflation path and the path parallel that vacuumizes and evenly around axis of rotation.Strengthen inflation path and the path sealing separately vacuumized and sealing each other, avoid inflating and vacuumize leakage and the interference of leakage each other.
Should be understood that this embodiment is only not used in for illustration of the present invention to limit the scope of the invention.In addition should be understood that those skilled in the art can make various changes or modifications the present invention, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the present invention's instruction.
Claims (9)
1. a gas swivel joint, comprise rotary main shaft, it is characterized in that, one end of described rotary main shaft is coaxially connected with adapter body, described rotary main shaft inside is provided with the first vacuum room, described adapter body inside is provided with the second vacuum room, first vacuum room and the second vacuum room are conducted, described rotary main shaft is provided with the vacuum outlet be connected with the first vacuum room, described adapter body is provided with the vacuum interface be connected with the second vacuum room, the axle center place of rotary main shaft and adapter body is provided with inflation rotating shaft pipe, described inflation rotating shaft pipe and rotary main shaft are fixedly linked, the first described vacuum room and the second vacuum room are evenly around inflation rotating shaft pipe, described adapter body is fixedly installed gas-charging connection away from one end of rotary main shaft, described gas-charging connection is connected with inflation rotating shaft pipe, described adapter body comprises shell, described shell is provided with fixed operating sleeve near one end of rotary main shaft, described fixed operating sleeve is positioned at enclosure away from one end of rotary main shaft and is fixedly connected with the internal surface of shell, described fixed operating sleeve is provided with fixed tray near one end of rotary main shaft, described rotary main shaft is connected with fixed tray by land, described rotary main shaft and land are rotationally connected.
2. gas swivel joint according to claim 1, is characterized in that, described fixed operating sleeve is provided with seal ring near one end end face of rotary main shaft and rotary main shaft between one end end face of fixed operating sleeve.
3. gas swivel joint according to claim 2, is characterized in that, the enclosure of adapter body is provided with preloading spring away between one end end face of fixed operating sleeve and one end end face of fixed operating sleeve away from fixed tray.
4. the gas swivel joint according to claim 1 or 2 or 3, it is characterized in that, described rotary main shaft inside is provided with several locking support sheets, and described one end of locking support sheet is connected with the inwall of rotary main shaft, the other end is connected with inflation rotating shaft pipe.
5. gas swivel joint according to claim 4, is characterized in that, described locking support sheet is evenly around the distribution of inflation rotating shaft pipe.
6. the gas swivel joint according to claim 1 or 2 or 3, it is characterized in that, described fixed tray is connected with land bolt.
7. the gas swivel joint according to claim 1 or 2 or 3, it is characterized in that, described gas-charging connection inside is provided with plenum chamber, described plenum chamber is connected with inflation rotating shaft pipe, described plenum chamber is provided with rotary bearing with inflation rotating shaft pipe connection, is provided with the first Sealing between the second vacuum room in described plenum chamber and adapter body.
8. the gas swivel joint according to claim 1 or 2 or 3, is characterized in that, described rotary main shaft is provided with fixing seal joint away from one end of adapter body, and described fixing seal joint is between inflation rotating shaft pipe and rotary main shaft.
9. the gas swivel joint according to claim 1 or 2 or 3, is characterized in that, be provided with the second Sealing between described fixed operating sleeve and the inner surface of outer cover of adapter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210498927.3A CN103047501B (en) | 2012-11-28 | 2012-11-28 | Gas swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210498927.3A CN103047501B (en) | 2012-11-28 | 2012-11-28 | Gas swivel joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047501A CN103047501A (en) | 2013-04-17 |
| CN103047501B true CN103047501B (en) | 2015-09-09 |
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ID=48060256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210498927.3A Expired - Fee Related CN103047501B (en) | 2012-11-28 | 2012-11-28 | Gas swivel joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103047501B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007885A (en) * | 2017-12-21 | 2018-05-08 | 苏州汉策能源设备有限公司 | A kind of light path can expand formula and use pattern gas pond |
| CN109707723A (en) * | 2019-01-22 | 2019-05-03 | 上海提牛机电设备有限公司 | A kind of rotatory vacuum axis group |
| CN112628507B (en) * | 2020-10-14 | 2022-05-24 | 杭州安杰诺智能机械有限公司 | Pneumatic rotary joint structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514611A (en) * | 2009-03-23 | 2009-08-26 | 洛阳高拓机械设备有限公司 | Two-way rotating fluid guiding device |
| CN201475552U (en) * | 2009-07-31 | 2010-05-19 | 无锡腾旋技术有限公司 | Rotating joint with temperature difference area structure |
| CN102352943A (en) * | 2011-09-28 | 2012-02-15 | 中联重科股份有限公司 | Rotary joint |
| CN202946818U (en) * | 2012-11-28 | 2013-05-22 | 杭州安杰诺经贸有限公司富阳分公司 | Rotary joint for inflation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB217769A (en) * | 1923-06-26 | 1924-06-26 | Samuel Milne | Improvements in or relating to the steam and exhaust connections of drying cylinders, calenders, and the like |
| GB278305A (en) * | 1926-09-28 | 1928-02-09 | Dabeg Maschinenfabriks Ag | Improvements in or relating to the packing of a machine part rotating relatively to a stationary part |
| DD237701A1 (en) * | 1985-05-23 | 1986-07-23 | Leipzig Chemieanlagen | DOUBLE PIPE ROTATION CONNECTION |
| CN201897031U (en) * | 2010-12-13 | 2011-07-13 | 郑州金鑫机械制造有限公司 | Rotary joint |
-
2012
- 2012-11-28 CN CN201210498927.3A patent/CN103047501B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514611A (en) * | 2009-03-23 | 2009-08-26 | 洛阳高拓机械设备有限公司 | Two-way rotating fluid guiding device |
| CN201475552U (en) * | 2009-07-31 | 2010-05-19 | 无锡腾旋技术有限公司 | Rotating joint with temperature difference area structure |
| CN102352943A (en) * | 2011-09-28 | 2012-02-15 | 中联重科股份有限公司 | Rotary joint |
| CN202946818U (en) * | 2012-11-28 | 2013-05-22 | 杭州安杰诺经贸有限公司富阳分公司 | Rotary joint for inflation |
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| CN103047501A (en) | 2013-04-17 |
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Effective date of registration: 20180802 Address after: 311400 Baoshan Road, Chunhua village, Fuchun street, Fuyang District, Hangzhou, Zhejiang, 28 Patentee after: Hangzhou Anjano Intelligent Machinery Co., Ltd. Address before: 311400 Baoshan Road, Chunhua village, Chunhua Industrial Zone, Fuyang, Hangzhou, Zhejiang, 25 Patentee before: Fuyang Branch of Hangzhou ANJ Economic Trade Co., Ltd. |
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| 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: 20150909 Termination date: 20181128 |