CN202946818U - Rotary joint for inflation - Google Patents
Rotary joint for inflation Download PDFInfo
- Publication number
- CN202946818U CN202946818U CN 201220642130 CN201220642130U CN202946818U CN 202946818 U CN202946818 U CN 202946818U CN 201220642130 CN201220642130 CN 201220642130 CN 201220642130 U CN201220642130 U CN 201220642130U CN 202946818 U CN202946818 U CN 202946818U
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- China
- Prior art keywords
- main shaft
- rotary main
- inflation
- adapter body
- rotating shaft
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- Withdrawn - After Issue
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Abstract
The utility model relates to a connecting part, in particular to a rotary joint for inflation. The rotary joint comprises a rotary main shaft, wherein one end of the rotary main shaft is coaxially connected with a joint main body, a first vacuum air chamber is arranged in the rotary main shaft, a second vacuum air chamber is arranged in the joint main body, the first vacuum air chamber is communicated with the second vacuum air chamber, the rotary main shaft is provided with a vacuum outlet communicated with the first vacuum air chamber, the joint main body is provided with a vacuum port communicated with the second vacuum air chamber, the axis of the rotary main shaft and the axis of the joint main body are provided with an inflation rotary shaft pipe, the first vacuum air chamber and the second vacuum air chamber uniformly wind around the inflation rotary shaft pipe, one end of the joint main body far away from the rotary main shaft is fixedly provided with an inflation joint, and the inflation joint is communicated with the inflation rotary shaft pipe. The rotary joint for the inflation can ensure that inflation routes and vacuumizing routes are in parallel and uniformly wind around the axes, and has the advantages of being high in sealing property and the like.
Description
Technical field
The utility model relates to a kind of connected element, especially relates to a kind of gas swivel joint.
Background technique
Existing rotating machinery, need to inflate and vacuumize simultaneously rotating machinery inside, but neither one assembly connecting head in prior art, inflator and vacuum pump can only be connected on rotating machinery, and be connected to the diverse location of rotating machinery, easily affect the rotation of rotating machinery, and can't guarantee to inflate the path can parallel and even axis around rotating machinery with the path that vacuumizes.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 be leaked gas, but also to guarantee two between passage sealing, do not reveal.Some joint be only applicable to circulate loop of cooling water, sealability is relatively poor, easily mutually leaks between water inlet and backwater, but is not suitable for circulated gases.
The model utility content
The utility model be mainly for need on existing rotating machinery to inflate simultaneously with vacuumize, do not possess can with inflation with vacuumize that merge on same joint and can't guarantee to inflate path and the path that vacuumizes can be parallel and evenly around the problems such as axis of rotating machinery, provide a kind of and can connect simultaneously inflator and vacuum pump, assurance inflation path is parallel with evacuated path and evenly around spin axis, do not affect normal rotation, have higher sealing, avoid inflating and vacuumizing the gas swivel joint of mutual leakage.
the purpose of this utility model mainly is 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, the first vacuum room and the second vacuum room are conducted, be provided with the vacuum outlet that is connected with the first vacuum room on described rotary main shaft, be provided with the vacuum interface that is connected with the second vacuum room on described adapter body, be provided with inflation rotating shaft pipe at the place, axle center of rotary main shaft and adapter body, described inflation rotating shaft pipe and rotary main shaft are fixedly linked, described the first 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 an end of rotary main shaft, described gas-charging connection is connected with inflation rotating shaft pipe.One end of rotary main shaft can connect or be embedded on rotating machinery and follow rotating machinery and is rotated, the other end at rotary main shaft is coaxially connected with adapter body, guarantees that rotary main shaft can steadily rotate along the axial direction of adapter body and rotary main shaft.At the place, axle center of rotary main shaft and adapter body, inflation rotating shaft pipe is set, inflation rotating shaft pipe is fixedly connected with rotary main shaft near an end of rotary main shaft, and when rotary main shaft rotated, inflation rotating shaft pipe was followed rotary main shaft and carried out synchronous rotary.And be connected with gas-charging connection at inflation rotating shaft pipe away from an end of rotary main shaft, inflator can be connected on gas-charging connection inflation rotating shaft pipe is inflated, the gas that is filled with enters inflation rotating shaft pipe and in the rotating machinery that inflation rotating shaft pipe is filled with rotary main shaft is connected, satisfies rotating machinery is inflated along gas-charging connection.In rotary main shaft inside, the first vacuum room is set, in adapter body inside, the second vacuum room is set, the first vacuum room and the second vacuum room are conducted, and the first vacuum room and the second vacuum room all evenly distribute around inflation rotating shaft pipe.Vacuum connect is set on adapter body, vacuum interface is connected with the second vacuum room, vacuum outlet is set on rotary main shaft, 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 be simultaneously to vacuumizing in the first vacuum room and by vacuum outlet, the position that needs in rotating machinery to vacuumize being vacuumized.Only need inflator and vacuum pump are connected on swivel joint, not only can not affect rotary main shaft and the rotation of the rotating machinery that needs to connect, and can guarantee that whole swivel joint can guarantee inflation and vacuumize simultaneously to carry out.Because inflation rotating shaft pipe is positioned at place, axle center, the first vacuum room and second vacuum room of adapter body and rotary main shaft evenly around inflation rotating shaft pipe, guarantee inflation and vacuumize can be parallel and evenly around the axial direction of rotary main shaft, guarantee inflation and vacuumize coaxial and even operation, and can avoid inflation and vacuumize each other leaking.Only need inflator and vacuum pump are connected on swivel joint simultaneously, just can not affect the rotating machinery rotation, and simultaneously rotating machinery inside is inflated and vacuumized, 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 an end of rotary main shaft, described fixed operating sleeve is positioned at enclosure and is fixedly connected with the internal surface of shell away from an end of rotary main shaft, described fixed operating sleeve is provided with fixed tray near an 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.Connecting main body and comprise shell, is the second vacuum room in shell, near an end of rotary main shaft, fixed operating sleeve is set at shell.And fixed operating sleeve is embedded at enclosure and is fixedly connected with the internal surface of shell away from an end of rotary main shaft, guarantees the sealing of the second vacuum room, avoids the gas leakage of the second vacuum room.An end at the close rotary main shaft of fixed operating sleeve arranges fixed tray, and a land is set on rotary main shaft, and fixed tray and land are fixed together, and adapter body is connected with rotary main shaft.And rotary main shaft can rotate in land, the first vacuum room and the second vacuum room are conducted consist of a vacuum way, guarantee the sealing of whole vacuum way, and can guarantee that rotary main shaft normally rotates under the motionless prerequisite of adapter body.
As preferably, be provided with seal ring between the close end end face of fixed operating sleeve of an end end face of the close rotary main shaft of described fixed operating sleeve and rotary main shaft.An end end face and rotary main shaft at the close rotary main shaft of fixed operating sleeve are provided with seal ring near between an end end face of fixed operating sleeve, joint by seal ring butt joint main body and rotary main shaft seals, and strengthens the sealing of the first vacuum room and the second vacuum room joint under the prerequisite motionless in adapter body, that rotary main shaft rotates.
As preferably, the enclosure of adapter body is away from being provided with preloading spring between an end end face of fixed operating sleeve and the end end face of fixed operating sleeve away from fixed tray.Between the enclosure of adapter body is away from an end end face of fixed operating sleeve and the end end face of fixed operating sleeve away from fixed tray, preloading spring is set, pretightening force by preloading spring is fixed the end of fixed operating sleeve away from rotary main shaft, prevent that fixed operating sleeve from moving axially, the connection sealing between the shell of assurance fixed operating sleeve and adapter body.
As preferably, described rotary main shaft inside is provided with several locking support sheets, and an end of described 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, the locking support sheet can be supported inflation rotating shaft pipe, make inflation rotating shaft pipe be positioned at all the time the place, axle center of rotary main shaft, avoid inflating rotating shaft pipe deflection.
As preferably, described locking support sheet evenly distributes around inflation rotating shaft pipe.The locking support sheet guarantees that evenly around inflation rotating shaft pipe the locking support sheet applies uniform support force to inflation rotating shaft pipe.
As preferably, described fixed tray is connected with the 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 described plenum chamber and adapter body interior the second vacuum room.Gas-charging connection inside has plenum chamber, plenum chamber is connected with inflation rotating shaft pipe, in plenum chamber and inflation rotating shaft pipe joint, rotary bearing is set, when gas-charging connection is carried out plenum chamber, gas enters inflation rotating shaft pipe by plenum chamber, and inflation rotating shaft pipe is when following the rotary main shaft rotation, rotary bearing be convenient to inflate the rotating shaft pipe rotation, avoid the rotation of gas-charging connection impact inflation rotating shaft pipe, and can support inflation rotating shaft pipe.Between plenum chamber and the second vacuum room, the first Sealing is set, prevents that plenum chamber and the second vacuum room from leaking mutually.
As preferably, described rotary main shaft is provided with the fixing seal joint away from an end of adapter body, and described fixing seal joint is between inflation rotating shaft pipe and rotary main shaft.Inflation rotating shaft pipe is fixedly connected with by fixing seal joint and the rotary main shaft end end away from adapter body, can not make inflation rotating shaft pipe and rotary main shaft synchronous rotary, and can guarantee the first vacuum room leakage of rotary main shaft inside.
As preferably, be provided with the second Sealing between the inner surface of outer cover of described fixed operating sleeve and adapter body.The second Sealing is set between the inner surface of outer cover of fixed operating sleeve and adapter body, to sealing between fixed operating sleeve and adapter body, strengthens the sealing of the second vacuum room, prevent the leakage of the second vacuum room.
therefore, gas of the present utility model possesses following advantage with swivel joint: 1, at the place, axle center of rotary main shaft and adapter body, inflation rotating shaft pipe is set, time inflation rotating shaft pipe is followed rotary main shaft and is carried out synchronous rotary, and adapter body does not need to be rotated, do not inflate when not affecting rotary main shaft and being connected to the rotation of the rotating machinery on rotary main shaft, and in rotary main shaft inside, the first vacuum room is set, in adapter body inside, the second vacuum room is set, the first vacuum room and the second vacuum room are conducted, by the second vacuum room is vacuumized, the first vacuum room and the rotating machinery that is connected on rotary main shaft are vacuumized, inflation rotating shaft pipe is as the inflation path, the first vacuum room and the second vacuum room are as evacuated path, guarantee can mutually not leak between inflation path and evacuated path, and make inflator and vacuum pump be connected to simultaneously on swivel joint, connect simple, be convenient to safeguard, maintenance and replacing, 2, the side at the close rotary main shaft of adapter body arranges fixed operating sleeve, be connected with rotary main shaft by fixed operating sleeve, one end of fixed operating sleeve is embedded in adapter body inner, do not affect the rotation of rotary main shaft under the motionless prerequisite of adapter body, and fixed operating sleeve is fixed on the internal surface of adapter body, can strengthen the sealing of the second vacuum room, 3, in the joint of fixed operating sleeve and rotary main shaft, seal ring is set, strengthens the sealing of the first vacuum room and the second vacuum room joint, 4, between adapter body inside is away from the end face of fixed operating sleeve and fixed operating sleeve, preloading spring is set, can pushes fixed operating sleeve, avoid fixed operating sleeve to move axially, strengthen the sealing of the second vacuum room, 5, in rotary main shaft inside, the locking support sheet is set, by the locking support sheet, inflation rotating shaft pipe is supported and fix, avoid inflating the rotating shaft pipe and cause bias when rotary main shaft rotates following, 6, be connected with gas-charging connection in adapter body away from an end of rotary main shaft, gas-charging connection inside is provided with plenum chamber, and plenum chamber and inflation rotating shaft pipe are conducted, and avoids the rotation of gas-charging connection impact inflation rotating shaft pipe, 7, be provided with the first Sealing between the second vacuum room and plenum chamber, strengthen the sealing between the second vacuum room and plenum chamber, avoid the second vacuum room and plenum chamber mutually to leak, 8, be provided with the second Sealing between fixed operating sleeve and adapter body internal surface, strengthen the sealing of the second vacuum room, 9, rotary main shaft is fixedly connected with inflation rotating shaft pipe by the fixing seal joint away from an end of adapter body, not only can support inflation rotating shaft pipe fixingly, and can strengthen the sealing of the first vacuum room.
Description of drawings
Accompanying drawing 1 is a kind of sectional view of the present utility model;
Accompanying drawing 2 is A-A place sectional views in accompanying drawing 1.
Illustrate: 1-rotary main shaft, 2-adapter body, 3-inflation rotating shaft pipe, 4-the first vacuum room, 5-the second vacuum room, 6-fixed operating sleeve, 7-fixed tray, 8-land, 9-locking support sheet, 10-seal ring, 11-gas-charging connection, 12-the first Sealing, 13-rotary bearing, 14-fixing seal joint, the 15-vacuum outlet, 16-vacuum interface, 17-plenum chamber, 18-the second Sealing, 19-preloading spring, 20-shell.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model 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, has vacuum interface 16 on adapter body 2, and vacuum connect 16 is conducted with the second vacuum room 5 of adapter body 2 inside; Have vacuum outlet 15 on rotary main shaft 1, vacuum outlet 15 is conducted with the first vacuum room 4 of rotary main shaft 1 inside.An end at adapter body 2 close rotary main shafts 1 is equipped with fixed operating sleeve 6, fixed operating sleeve 6 is positioned at the inside of adapter body 2 away from an end of rotary main shaft 1, and fixed operating sleeve 6 is fitted fixing by the second Sealing 18 and the inner surface of outer cover of adapter body 2.An end one at fixed operating sleeve 6 close rotary main shafts 1 is connected with fixed tray 7, is arranged with land 8 outside the end of rotary main shaft 1 near fixed operating sleeve 6, and rotary main shaft 1 can rotate in land 8 relatively.Fixed tray 7 is bolted with land 8, and adapter body 2 is connected with rotary main shaft 1.An end end face and adapter body 2 in rotary main shaft 1 close adapter body 2 are connected with seal ring 10 near between an end end face of rotary main shaft 1, seal ring 10 can not affect the rotation of rotary main shaft 1, and seals by the joint of spin friction to rotary main shaft 1 and adapter body 2.An end after between the inside of adapter body 2 is away from an end end face of fixed operating sleeve 6 and fixed operating sleeve 6,19 preloading springs 19 compressions of a preloading spring being installed is tactile away from an end contacted inner surfaces of fixed operating sleeve 6 with adapter body 2, the end face of the other end and fixed operating sleeve 6 is inconsistent.Inflation rotating shaft pipe 3 is installed at place, the axle center of rotary main shaft 1 and adapter body 2, and adapter body 2 is equipped with gas-charging connection 11 away from an end of rotary main shaft 1, and gas-charging connection 11 inside have the cavity of plenum chamber 17, and plenum chamber 17 is conducted with inflation rotating shaft pipe 3.Be installed with the first Sealing 13 between the second vacuum room 5 of plenum chamber 17 and adapter body 2 inside.An end at inflation rotating shaft pipe 3 close gas-charging connections 11 is provided with rotary bearing 13, and rotary bearing 13 is positioned at the joint of gas-charging connection 11 and adapter body 2.Be installed with fixing seal joint 14 on the end end face of rotary main shaft 1 away from adapter body 2, 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 an end inside 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 that vacuum pattern absorbing machine inside is inflated simultaneously and vacuumized, rotary main shaft 1 is embedded on the rotating machinery that needs to connect, and the position correspondence that makes the vacuum outlet 15 on rotary main shaft 1 is in position that rotating machinery need to vacuumize.Vacuum pump is connected on vacuum interface 16 on adapter body 2, then inflator is connected on gas-charging connection 11.When rotating machinery rotates, can be rotated 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 equipped with rotary bearing 13 near gas-charging connection 11 places, rotary bearing can support inflation rotating shaft pipe 3, and can not drive adapter body 2 be rotated when inflation rotating shaft pipe 3 rotates.Therefore, when rotary main shaft 1 rotation, relative rotary main shaft 1 transfixion of the shell of adapter body 2.When inflation rotating shaft pipe 3 is followed rotary main shaft 1 rotation, the locking support sheet 9 of rotary main shaft 1 inside can apply uniform support force to inflation rotating shaft pipe 3, avoid inflating rotating shaft pipe 3 bias, and the locking support sheet can be rotated movement along the internal surface of rotary main shaft 1, can not affect the rotation of inflation rotating shaft pipe 3.When opening inflator, inflator is filled with gas in gas-charging connection 11, and enter inflation rotating shaft pipe 3 along plenum chamber 17, gas enters in the rotating machinery that is connected on rotary main shaft 1 through gas overcharging rotating shaft pipe 3, guarantees to inflate the path and is positioned at the axis of rotation that whole swivel joint reaches the rotating machinery that is connected with swivel joint.When opening vacuum pump, can vacuumize by in vacuum interface 16 pairs of the second vacuum room 5, and then can be to vacuumizing in the first vacuum room 4, and vacuumize by 15 pairs of rotating mechanisms that are connected with rotary main shaft 1 of vacuum outlet.Evenly around inflation rotating shaft pipe 3, namely evenly around the axle center of rotary main shaft 1, can guarantee that the path that vacuumizes is parallel and evenly around the axle center of rotary main shaft 1 and the rotating machinery that is connected with rotary main shaft 1 due to the first vacuum room 4 and the second vacuum room 5.When rotary main shaft 1 rotation, seal ring 10 can strengthen the sealing of the first vacuum room 4 and second vacuum room's 5 connecting places, and be fixedly connected with installation preloading spring 19 between pipe 6 and adapter body 2 internal end surface, by preloading spring 19 extruding fixed operating sleeves 6, avoid causing moving axially of fixed operating sleeve 6 when rotary main shaft 1 rotation, 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, strengthen the sealing of the second vacuum room 5.Rotary main shaft 1 not only can support inflation rotating shaft pipe 3 away from the fixing seal joint 14 of an end of adapter body 2, and can strengthen the sealing of the first vacuum room 4.As the path that vacuumizes, and the second Sealing 18, seal ring 10 and fixing seal joint 14 all can strengthen the sealing in the whole path that vacuumizes, gas leakage when avoiding vacuumizing by the first vacuum room 4 and the second vacuum room 5.Have the first Sealing 12 between plenum chamber 17 and the second vacuum room 5, can avoid the situation of leakage mutually occurring between plenum chamber 17 and 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 the inflation path parallel with the path that vacuumizes and evenly around axis of rotation.The path sealing separately and the sealing each other that strengthen the inflation path and vacuumize are avoided inflating and vacuumizing and are leaked and the interference of leakage each other.
Should be understood that this embodiment only to be used for explanation the utility model and be not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. 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, the first vacuum room and the second vacuum room are conducted, be provided with the vacuum outlet that is connected with the first vacuum room on described rotary main shaft, be provided with the vacuum interface that is connected with the second vacuum room on described adapter body, be provided with inflation rotating shaft pipe at the place, axle center of rotary main shaft and adapter body, described inflation rotating shaft pipe and rotary main shaft are fixedly linked, described the first 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 an end of rotary main shaft, described gas-charging connection is connected with inflation rotating shaft pipe.
2. gas swivel joint according to claim 1, it is characterized in that, described connection main body comprises shell, described shell is provided with fixed operating sleeve near an end of rotary main shaft, described fixed operating sleeve is positioned at enclosure and is fixedly connected with the internal surface of shell away from an end of rotary main shaft, described fixed operating sleeve is provided with fixed tray near an 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.
3. gas swivel joint according to claim 2, is characterized in that, described fixed operating sleeve is provided with seal ring near an end end face and the rotary main shaft of rotary main shaft near between an end end face of fixed operating sleeve.
4. gas swivel joint according to claim 3, is characterized in that, the enclosure of adapter body is away from being provided with preloading spring between an end end face of fixed operating sleeve and the end end face of fixed operating sleeve away from fixed tray.
5. according to claim 1 and 2 or 3 or 4 described gas swivel joints, it is characterized in that, described rotary main shaft inside is provided with several locking support sheets, and an end of described locking support sheet is connected with the inwall of rotary main shaft, the other end is connected with inflation rotating shaft pipe.
6. gas swivel joint according to claim 5, is characterized in that, described locking support sheet evenly distributes around inflation rotating shaft pipe.
7. according to claim 2 or 3 or 4 described gas swivel joints, is characterized in that, described fixed tray is connected with the land bolt.
8. according to claim 1 and 2 or 3 or 4 described gas swivel joints, 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 described plenum chamber and adapter body interior the second vacuum room.
9. according to claim 1 and 2 or 3 or 4 described gas swivel joints, is characterized in that, described rotary main shaft is provided with the fixing seal joint away from an end of adapter body, and described fixing seal joint is between inflation rotating shaft pipe and rotary main shaft.
10. according to claim 2 or 3 or 4 described gas swivel joints, is characterized in that, is provided with the second Sealing between the inner surface of outer cover of described fixed operating sleeve and adapter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642130 CN202946818U (en) | 2012-11-28 | 2012-11-28 | Rotary joint for inflation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220642130 CN202946818U (en) | 2012-11-28 | 2012-11-28 | Rotary joint for inflation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946818U true CN202946818U (en) | 2013-05-22 |
Family
ID=48422520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220642130 Withdrawn - After Issue CN202946818U (en) | 2012-11-28 | 2012-11-28 | Rotary joint for inflation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047501A (en) * | 2012-11-28 | 2013-04-17 | 杭州安杰诺经贸有限公司富阳分公司 | Pneumatic rotary joint |
-
2012
- 2012-11-28 CN CN 201220642130 patent/CN202946818U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047501A (en) * | 2012-11-28 | 2013-04-17 | 杭州安杰诺经贸有限公司富阳分公司 | Pneumatic rotary joint |
| CN103047501B (en) * | 2012-11-28 | 2015-09-09 | 杭州安杰诺经贸有限公司富阳分公司 | Gas swivel joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |