CN205877195U - Be applied to electric putter's device for sealing magnetic fluid - Google Patents
Be applied to electric putter's device for sealing magnetic fluid Download PDFInfo
- Publication number
- CN205877195U CN205877195U CN201620563326.XU CN201620563326U CN205877195U CN 205877195 U CN205877195 U CN 205877195U CN 201620563326 U CN201620563326 U CN 201620563326U CN 205877195 U CN205877195 U CN 205877195U
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- China
- Prior art keywords
- magnetic
- pole piece
- conductive pole
- magnetic conductive
- sealing
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- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides a be applied to electric putter's device for sealing magnetic fluid, including setting element, dustproof sealing ring, first magnetic conduction end terminal, not magnetizer, second magnetic conduction end terminal, permanent magnet, dustproof sealing ring installs the front portion of setting element, permanent magnet with first magnetic conduction end terminal with second magnetic conduction end terminal is installed side by side the inside of setting element, first magnetic conduction end terminal with pass through between the second magnetic conduction end terminal the magnetizer is not separated, first magnetic conduction end terminal with utmost point tooth and seal groove have all been offered to the interior anchor ring of second magnetic conduction end terminal, wherein, be filled with the magnetic current body in the utmost point tooth. It is used between catch bar and outer tube to isolated water, air and pollution destruction factor reach effectual waterproof dustproof effect.
Description
Technical field
This utility model relates to sealing device, particularly relates to a kind of device for sealing magnetic fluid being applied to electric pushrod.
Background technology
In the linear drives field of present stage, electric pushrod with its compared to advantage specific to pneumatically or hydraulically push rod and
It is widely used.But at present, push rod actuator all also exists a universal problem, i.e. do straight directly go out motion
The cylindrical pair that catch bar and its stay tube are constituted, due to the existence of fit clearance, push rod actuator is difficult to accomplish the closeest
Envelope.
Further, especially in rainwater shower or the working environment that is completely immersed in water, the sealing at pair clearance
Part cannot effectively prevent environmental liquids from entering inside push rod, and particularly when sealing ring is aging, leakage phenomenon is more serious.Separately
Outward, for the environment that relative air humidity is bigger than normal, malaria enters and also results in push rod internal structure corrosion inside push rod,
The most notable to the destruction of push rod circuit structure.
Therefore, a kind of sealing device being applicable to push rod actuator is current those skilled in the art in the urgent need to.
Utility model content
The purpose of this utility model is to provide a kind of device for sealing magnetic fluid being applied to electric pushrod, mainly applies
Between catch bar and trocar sheath, with exclusion of water, air and pollution destructive factor, reach effective water proof and dust proof effect.
The technical solution of the utility model is: a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper,
Dust-proof seal ring, the first magnetic conductive pole piece, not magnetic conductor, the second magnetic conductive pole piece, permanent magnet；Described dust-proof seal ring is installed in institute
Stating the front portion of keeper, described permanent magnet and described first magnetic conductive pole piece and described second magnetic conductive pole piece are installed in described side by side
The inside of keeper, is separated by described not magnetic conductor between described first magnetic conductive pole piece and described second magnetic conductive pole piece；Described
The inner ring surface of the first magnetic conductive pole piece and described second magnetic conductive pole piece all offers pole tooth and seal groove, wherein, in the tooth of described pole
It is filled with magnetic fluid.
Further, described first magnetic conductive pole piece and described second magnetic conductive pole piece are respectively by preposition sealing ring and rearmounted close
Seal forms external seal with described keeper.
Specifically, described first magnetic conductive pole piece and described second magnetic conductive pole piece are respectively by described preposition sealing ring and described
Rearmounted sealing ring forms external seal with described keeper, to seal the gap between magnetic conductive pole piece and keeper.
Specifically, separated by described not magnetic conductor between described first magnetic conductive pole piece and described second magnetic conductive pole piece, with
It is boundary, so that described first magnetic conductive pole piece and described second magnetic conductive pole piece form respective closing after being magnetized by permanent magnet
Ring magnetic circuit, constitutes the first order and seals and second level sealing.The not magnetic conductor (such as copper sheet) using small size separates two magnetic conductive pole pieces
Forming two-stage sealing, the most common air separates.
Specifically, the inner ring surface of described first magnetic conductive pole piece and described second magnetic conductive pole piece all offers pole tooth and sealing ring
Groove, further, tooth both sides in pole are arranged symmetrically with two seal grooves vertically, be provided with sealing member, be used in described seal groove
Keep filling the magnetic fluid in the tooth of pole.Specifically, in described seal groove, be provided with sealing member, sealing member be divided into the first sealing member and
Second sealing member, described first sealing member can completely cut off the corrosivity penetrated in external environment condition and destructive material (as destroyed magnetic
The material of fluid stability) etc., in described second sealing member can completely cut off pipe, lubricant grease incorporates magnetic fluid.
Further, described pole tooth is Rectongle Poleteeth Device, is filled with magnetic fluid in the tooth of pole, and under the action of a magnetic field, magnetic fluid is attached to pole tooth
Upper composition a lot of " O ", plays interior sealing function.
Specifically, described electric pushrod includes trocar sheath and catch bar, wherein, described location bar and described trocar sheath phase
Even, being equiped with all parts described above inside the bar of described location, the end of described catch bar is connected to nut, is made by screw mandrel
In being used in trocar sheath for linear motion, described trocar sheath and described catch bar constitute therebetween sliding pair, push away in actual motion
The existing reciprocal linear motion of lever, has again the rotation around own axes, is cylindrical pair type the most further.
Further, described not magnetic conductor is a kind of diamagnetic copper sheet.
Further, described dust-proof seal ring is double-lip sealing ring, described double-lip sealing ring include outward extending for
Completely cut off the first lip of outside dust and dirt and for assisting the second waterproof lip.Described dust-proof seal ring can also be to described location
Described first magnetic conductive pole piece and described second magnetic conductive pole piece of the internal installing of part play a protective role.
Described permanent magnet is ring shape permanent magnet, and it produces magnetic field, magnetizes magnetic conductive pole piece, further, described forever
Magnet is hard magnetic material magnet.
Further, described first magnetic conductive pole piece and described second magnetic conductive pole piece are soft magnetic materials pole shoe, and easily processing is easily
Magnetization, the gap between magnetic conductive pole piece and rotating shaft is seal clearance, is charged with magnetic fluid.Therefore, described first magnetic conductive pole piece
All offer pole tooth and seal groove with the inner ring surface of described second magnetic conductive pole piece, install in seal groove and seal collar member in order to seal
Stifled magnetic fluid, it is provided that the space that magnetic fluid exists, also is able to completely cut off the interior oils and fats of pipe and manage the entrance of outer erosion destroy magnetic current simultaneously
Body, strengthens the reliability sealed；Using the pole tooth of rectangle profile of tooth on magnetic conductive pole piece, under the action of a magnetic field, magnetic fluid is divided by the magnetic line of force
Cloth rule is attached on the tooth of pole constitute and seals, owing to tooth Jian Chu magnetic field in pole is the strongest, so magnetic fluid can be in seal clearance
Constitute a lot of " O " and carry out interior sealing, it is achieved efficient sealed effect.
Further, two described seal grooves are symmetricly set on the both sides of described pole tooth.
Further, described sealing member is divided into the first sealing member and the second sealing member, and it is rubber seal.
Further, described pole tooth is Rectongle Poleteeth Device.
Further, described keeper uses non-magnet material, it is preferable that described keeper is aluminum alloy materials, described
Location bar is the installation frame of whole sealing device.
More further, it is preferable to ground, described first magnetic conductive pole piece and described second magnetic conductive pole piece are soft magnetic materials pole
Boots；The inner ring surface of described first magnetic conductive pole piece and described second magnetic conductive pole piece all offers pole tooth and seal groove, described in two
Seal groove is symmetricly set on the both sides of described pole tooth；Being provided with sealing member in described seal groove, described sealing member is divided into can
The first sealing member completely cutting off the corrosivity penetrated in external environment condition and destructive material incorporates with completely cutting off the interior lubricant grease of pipe
Second sealing member of magnetic fluid, it is rubber seal；Described pole tooth is Rectongle Poleteeth Device, is filled with magnetic fluid, magnetic field in the tooth of pole
The lower magnetic fluid of effect is attached on the tooth of pole constitute a lot of " O ", plays interior sealing function.
Compared with prior art, this utility model has the advantages that sealing compact conformation, takies installation volume
Little, it is adaptable to the sealing between the rotation of little installation dimension or direct acting drive disk assembly, described scheme carries for push rod seal targetedly
Go out solution；Owing to being to use magnetic fluid, liquid seal is contactless, is more easy to fill up gap simultaneously, so will not be by pipe fitting
Dimensional tolerance (or mismachining tolerance), surface appearance or pipe fitting swing etc. affect, and liquid seal is without friction, and power attenuation is little,
Without heating.
Specifically, dust-proof seal ring uses dual lip configuration, the outward extending first extraneous dustiness of lip isolation, the second lip
Play auxiliary waterproof action, and protect the sealing structure in keeper further；Between magnetic conductive pole piece and keeper preposition, after
Put sealing ring and can fill up fit clearance, form external seal；Arrange two sealing members before and after on magnetic conductive pole piece, magnetic fluid can be prevented
Reveal lubricant grease in also completely cutting off the corrosive deposit and sleeve pipe entered in external environment and enter magnetic fluid, play protection magnetic fluid
Effect.
Accompanying drawing explanation
Fig. 1 is the section of an embodiment of the device for sealing magnetic fluid being applied to electric pushrod described in the utility model
Structural representation.
Detailed description of the invention
This utility model provides a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；The inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers pole tooth and seal groove, wherein, institute
It is filled with magnetic fluid in stating pole tooth.
Specifically, described electric pushrod includes trocar sheath 8 and catch bar, wherein, described location bar and described trocar sheath phase
Even, being equiped with all parts described above inside the bar of described location, the end of described catch bar is connected to nut, is made by screw mandrel
In being used in trocar sheath for linear motion, described trocar sheath and described catch bar constitute therebetween sliding pair, push away in actual motion
The existing reciprocal linear motion of lever, has again the rotation around own axes, is cylindrical pair type the most further.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；Described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 respectively by preposition sealing ring 4-1 and rearmounted sealing ring 4-2 with
Described keeper 1 forms external seal, and the inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers
Pole tooth and seal groove, wherein, be filled with magnetic fluid in the tooth of described pole.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；The inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers pole tooth and seal groove, wherein, institute
It is filled with magnetic fluid in stating pole tooth, in described seal groove, is provided with sealing member 7-1 and 7-2；Described not magnetic conductor 6 is a kind of diamagnetic copper
Sheet.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；The inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers pole tooth and seal groove, wherein, institute
It is filled with magnetic fluid in stating pole tooth, in described seal groove, is provided with sealing member 7-1 and 7-2；Described dust-proof seal ring 2 is double-lip seal
Circle, described double-lip sealing ring includes outward extending the first lip for completely cutting off outside dust and dirt and for assisting waterproof second
Lip.Described dust-proof seal ring can also be to internal described first magnetic conductive pole piece installed of described keeper and described second magnetic conduction
Pole shoe plays a protective role.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；The inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers pole tooth and seal groove, wherein, institute
It is filled with magnetic fluid in stating pole tooth, in described seal groove, is provided with sealing member 7-1 and 7-2；Described permanent magnet 5 is annular permanent magnetic
Body, it produces magnetic field, magnetizes magnetic conductive pole piece, and further, described permanent magnet is hard magnetic material magnet.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；The inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers pole tooth and seal groove, wherein, institute
It is filled with magnetic fluid in stating pole tooth, in described seal groove, is provided with sealing member 7-1 and 7-2；Described first magnetic conductive pole piece 3 and described
Two magnetic conductive pole pieces 4 are soft magnetic materials pole shoe, easily process easy magnetization, and the gap between magnetic conductive pole piece and rotating shaft is seal clearance,
It is charged with magnetic fluid.Therefore, the inner ring surface of described first magnetic conductive pole piece and described second magnetic conductive pole piece all offer pole tooth and
Seal groove, installs in seal groove and seals collar member in order to block magnetic fluid, it is provided that the space that magnetic fluid exists, also be able to simultaneously
In isolation pipe, oils and fats and the outer erosion of pipe enter and destroy magnetic fluid, strengthen the reliability sealed；Rectangular teeth is used on magnetic conductive pole piece
The pole tooth of shape, under the action of a magnetic field, magnetic fluid is attached on the tooth of pole constitute by the magnetic line of force regularity of distribution and seals, owing to pole tooth is the sharpest
Magnetic field, place is the strongest, so magnetic fluid can constitute a lot of " O " in seal clearance and carry out interior sealing, it is achieved efficient sealed
Effect.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；The inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers pole tooth and seal groove, wherein, institute
It is filled with magnetic fluid in stating pole tooth, in described seal groove, is provided with sealing member 7-1 and 7-2；Two described seal grooves are symmetrical arranged
Both sides at described pole tooth.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；Described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 respectively by preposition sealing ring 4-1 and rearmounted sealing ring 4-2 with
Described keeper 1 forms external seal, and the inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers
Pole tooth and seal groove, wherein, be filled with magnetic fluid, be provided with sealing member 7-1 and 7-2 in described seal groove in the tooth of described pole；Close
Sealing is divided into the first sealing member 7-1 and the second sealing member 7-2, and it is rubber seal.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；Described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 respectively by preposition sealing ring 4-1 and rearmounted sealing ring 4-2 with
Described keeper 1 forms external seal, and the inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers
Pole tooth and seal groove, wherein, be filled with magnetic fluid, be provided with sealing member 7-1 and 7-2 in described seal groove in the tooth of described pole；Institute
Stating pole tooth is Rectongle Poleteeth Device.
In one embodiment, a kind of device for sealing magnetic fluid being applied to electric pushrod, including keeper 1, dust-proof close
Seal the 2, first magnetic conductive pole piece 3, not magnetic conductor the 6, second magnetic conductive pole piece 4, permanent magnet 5；Described dust-proof seal ring 2 is installed in institute
Stating the front portion of keeper 1, described permanent magnet 5 is installed in side by side with described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
The inside of described keeper 1, by described not magnetic conductor 6 points between described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4
Every；Described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 respectively by preposition sealing ring 4-1 and rearmounted sealing ring 4-2 with
Described keeper 1 forms external seal, and the inner ring surface of described first magnetic conductive pole piece 3 and described second magnetic conductive pole piece 4 all offers
Pole tooth and seal groove, wherein, be filled with magnetic fluid, be provided with sealing member 7-1 and 7-2 in described seal groove in the tooth of described pole；Institute
Stating keeper 1 and use non-magnet material, it is preferable that described keeper is aluminum alloy materials, described location bar 1 is that whole sealing fills
The installation frame put.
Specifically, when without additional differential pressure action, magnetic fluid is in strength, magnetic field, and i.e. the sharpest place of pole tooth, is attached to magnetic
On fluid, magnetic fluid forms a lot of aqueous O RunddichtringO, and two magnetic conductive pole pieces separate shape by not magnetic conductor (such as diamagnetic copper sheet)
Become respective magnetic room, seal in constituting two-stage, be used for sealing liquid medium or air；When there being additional pressure reduction, the position of magnetic fluid
Putting and change with shape, the magnetic force of magnetic fluid is balanced each other with additional pressure reduction active force by magnetic field at axial component, magnetic fluid
It is in new equilbrium position, stops sealing medium to be revealed, make sealing structure have certain anti-pressure ability.Under differential pressure action, magnetic
Fluid can bend along pressure reduction direction, and when pressure exceedes magnetic fluid anti-pressure ability, magnetic fluid can be breakdown.Due to magnetic current
The sputtering characteristic of body, when the pressure of breakdown magnetic fluid both sides tends to identical, magnetic fluid can heal again, recovers resistance to pressure energy
Power.Effective sealing of electric pushrod is constituted with this.
Above specific embodiment of the utility model is described in detail, but it has been only used as example, this utility model
It is not restricted to particular embodiments described above.To those skilled in the art, any equivalent that this practicality is carried out
Amendment and replacement are the most all among category of the present utility model.Therefore, institute under without departing from spirit and scope of the present utility model
The impartial conversion made and amendment, all should contain in the range of this utility model.
Claims (5)
1. the device for sealing magnetic fluid being applied to electric pushrod, it is characterised in that include keeper, dust-proof seal ring,
One magnetic conductive pole piece, not magnetic conductor, the second magnetic conductive pole piece, permanent magnet；Before described dust-proof seal ring is installed in described keeper
Portion, described permanent magnet is installed in the interior of described keeper side by side with described first magnetic conductive pole piece and described second magnetic conductive pole piece
Portion, is separated by described not magnetic conductor between described first magnetic conductive pole piece and described second magnetic conductive pole piece；Described first leading pole
The inner ring surface of boots and described second magnetic conductive pole piece all offers pole tooth and seal groove, wherein, is filled with magnetic fluid in the tooth of described pole.
The device for sealing magnetic fluid being applied to electric pushrod the most according to claim 1, it is characterised in that described first leads
Magnetic pole piece and described second magnetic conductive pole piece form external seal by preposition sealing ring and rearmounted sealing ring with described keeper respectively.
The device for sealing magnetic fluid being applied to electric pushrod the most according to claim 1, it is characterised in that described dust-proof close
Seal is double-lip sealing ring, described double-lip sealing ring include outward extending the first lip for completely cutting off outside dust and dirt and for
Assist the second waterproof lip.
The device for sealing magnetic fluid being applied to electric pushrod the most according to claim 1, it is characterised in that described not magnetic conduction
Body is a kind of diamagnetic copper sheet, with it as boundary, after described first magnetic conductive pole piece and described second magnetic conductive pole piece are magnetized by permanent magnet
Form respective magnetic loop, constitute the first order and seal and second level sealing.
The device for sealing magnetic fluid being applied to electric pushrod the most according to claim 1, it is characterised in that
Described first magnetic conductive pole piece and described second magnetic conductive pole piece are soft magnetic materials pole shoe；Described first magnetic conductive pole piece and described
The inner ring surface of the second magnetic conductive pole piece all offers pole tooth and seal groove, and two described seal grooves are symmetricly set on described pole tooth
Both sides；Being provided with sealing member in described seal groove, described sealing member is divided into can completely cut off the corrosivity penetrated in external environment condition
And the first sealing member of destructive material and in pipe can be completely cut off lubricant grease incorporate the second sealing member of magnetic fluid, it is rubber
Glue sealing member；Described pole tooth is Rectongle Poleteeth Device, is filled with magnetic fluid in the tooth of pole, and under the action of a magnetic field, magnetic fluid is attached on the tooth of pole constitute one
Way " O ", plays interior sealing function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563326.XU CN205877195U (en) | 2016-06-13 | 2016-06-13 | Be applied to electric putter's device for sealing magnetic fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620563326.XU CN205877195U (en) | 2016-06-13 | 2016-06-13 | Be applied to electric putter's device for sealing magnetic fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205877195U true CN205877195U (en) | 2017-01-11 |
Family
ID=57690535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620563326.XU Expired - Fee Related CN205877195U (en) | 2016-06-13 | 2016-06-13 | Be applied to electric putter's device for sealing magnetic fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205877195U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712583A (en) * | 2017-01-29 | 2017-05-24 | 胡海辉 | Single-magnetic field magnetic suspension structure |
-
2016
- 2016-06-13 CN CN201620563326.XU patent/CN205877195U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106712583A (en) * | 2017-01-29 | 2017-05-24 | 胡海辉 | Single-magnetic field magnetic suspension structure |
| CN106712583B (en) * | 2017-01-29 | 2021-06-29 | 胡海辉 | Single magnetic field magnetic suspension structure |
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| Date | Code | Title | Description |
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| 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: 20170111 Termination date: 20180613 |