CN206802225U - The magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding - Google Patents
The magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding Download PDFInfo
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- CN206802225U CN206802225U CN201720662032.7U CN201720662032U CN206802225U CN 206802225 U CN206802225 U CN 206802225U CN 201720662032 U CN201720662032 U CN 201720662032U CN 206802225 U CN206802225 U CN 206802225U
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- flow liquid
- magnetic flow
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Abstract
The utility model discloses a kind of magnetic flow liquid of marmem extruding and the joint transmission device that rubs, including driving part and slave unit, the driving part includes driving shaft, active right shell body, outer cylinder and active left shell, the slave unit includes driven shaft, driven shell and driven platen, the driven platen left side central portion has sleeve, shape memory alloy spring is provided between sleeve pipe and the connection cover of driven shaft, bulge loop is provided with the right side of driven platen, annular groove is provided with the inside of active right shell body；Magnetic flow liquid is filled with magnetic flow liquid working chamber；Middle part on the inside of active right shell body is provided with a coil groove, and magnet exciting coil is provided with the coil groove, an electric brush slip ring is provided with driving shaft, the magnet exciting coil is connected by a Shape memory alloy switches with the electric brush slip ring.The utility model is simple in construction, and energy consumption is lower, can effectively improve the transmission efficiency of torque, and ensures the stability of transmission process.
Description
Technical field
A kind of transmission device, more particularly to the magnetic flow liquid that a kind of marmem extrudes be the utility model is related to rubbing
Wipe joint transmission device.
Background technology
Magnetic flow liquid and marmem are all the new materials developed in modern age, can be by changing its external thing
Manage field（Such as magnetic field and temperature field）And then change their property and state；Using the special nature of both materials, in clutch
Use in the transmission devices such as device is more and more；At present, magnetic flow liquid and shape memory alloy spring are mostly single use：
As disclosed in CN103603891A " multi-piece magnetorheological fluid electromagnetic clutch ", it utilizes multiple-piece construction, utilizes
Magnetic flow liquid forms multiple magnetic flow liquid works as the gap between multiple driving and driven friction plates of the medium full of electromagnetic clutch
Make anchor ring, smaller exciting current can be used to control larger transmission power, it is easy to accomplish automatically control, ensure engagement and separation process
Stationarity.As disclosed in CN202251542U " a kind of magnetic rheopectic solution fan clutch ", it is arranged on solid using positive and negative coil
In fixed set so that the magnetic field of output is relatively stable, and correspondingly the viscosity B coefficent of magnetic rheological liquid is also relatively stable, shallower during transmission.
As disclosed in CN2918748 " internal combustion engine thermal fan clutch ", it senses the temperature of radiator using marmem, when
When temperature is low, the magnetic force between magnetic conduction projection on the magnetic pole and fan hub on driving disc spacing pressing is small, and rotation speed of the fan is low, when temperature height
When, marmem promotes magnetic conductive disk movement, increases magnetic force, so as to which rotation speed of the fan increases.
But the use of homogenous material, appoint the defects of larger so occurs in the course of the work：As temperature does not reach shape
During the critical-temperature of memorial alloy change, marmem can not work；And when temperature is too high, magnetic flow liquid it is magnetorheological
Effect can weaken again, reduce transmission efficiency；So as to cause transmission device to transmit the less efficient and overall stability of torque
It is poor；Also, existing transmission device can not be higher so as to also result in energy consumption according to the change automatic start-stop of temperature.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is to solve existing drive shaft in torque
A kind of the problem of transmission efficiency is relatively low in transmittance process, less stable, and energy consumption is higher, there is provided magnetic of marmem extruding
Rheology liquid and the joint transmission device that rubs, simple in construction, energy consumption is lower, can effectively improve the transmission efficiency of torque, and ensures
The stability of transmission process.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such：A kind of shape memory closes
The magnetic flow liquid of gold extruding and the joint transmission device that rubs, including driving part and slave unit, the driving part include master
Moving axis, active right shell body, outer cylinder and active left shell, institute's active right shell body, outer cylinder and active left shell are connected together,
The driving shaft is fixedly connected with active right shell body, wherein, protrude to the left in the middle part of active left shell and form a tubular structure
Shell；The slave unit includes driven shaft, driven shell and driven platen, the driven shell in tubular construction, its one end
Stretch into shell, and be connected by spring bearing with shell；One end of the driven shaft has a connection cover, and its other end passes through
Stretched into after driven shell in the cavity that active right shell body, outer cylinder and active left shell surround, the connection cover and driven shell
Body is fixedly connected；It is characterized in that：The driven platen is between active right shell body and active left shell, its left side central portion tool
There is sleeve, and be sheathed on by the sleeve pipe on driven shaft, and described sleeve pipe is slidably matched with driven shaft by feather key and is connected；
Shape memory alloy spring is provided between sleeve pipe and the connection cover of driven shaft, the shape memory alloy spring is set in driven shaft
On, its both ends is fixedly connected with connection cover and conduit respectively；Passage is provided with the part that driven shell is located on the outside of shell；
Bulge loop around it is provided with close to edge on the right side of driven platen, on the inside of active right shell body, to should
Bulge loop is provided with an annular groove；The bulge loop part is stretched into annular groove, makes shape between driven platen, active right shell body and bulge loop
Into magnetic flow liquid working chamber, and when bulge loop end face is close to active right shell body, friction can be produced；In magnetic flow liquid working chamber
It is interior to be filled with magnetic flow liquid；
Middle part on the inside of active right shell body is provided with a coil groove, and magnet exciting coil, the excitation wire are provided with the coil groove
Circle is enclosed in coil groove by magnetism-isolating loop；An electric brush slip ring is provided with driving shaft, the magnet exciting coil passes through a shape memory
Alloy switch is connected with the electric brush slip ring.
Further, the Shape memory alloy switches include movable contact spring and static contact, the electric brush slip ring and excitation wire
Circle is connected by wire with movable contact spring and static contact respectively；Wherein, the movable contact spring is made up of marmem, empty when around
After gas is increased to certain temperature, movable contact spring and static contact can be bonded.
Further, sealing ring is provided with the inside of bulge loop and between annular groove sidewall
Further, an end cap is arranged with driven shell, the end cap is fixedly connected with the end of shell.
Further, felt circle is provided between end cap and driven shell.
Compared with prior art, the utility model has the following advantages that：
1）Simple in construction, after environment temperature raises, the present apparatus can pass through Shape memory alloy switches turn on automatically electricity
Source, so that magnet exciting coil produces magnetic fields and produces rheological effect transmission torque in magnetic flow liquid；After environment temperature reduces,
Shape memory alloy switches disconnect automatically, and so as to realize automatically controlling for torque transmission, stability is good, and can effectively reduce energy
Consumption.
2）After unit temp rise, the hydraulic performance decline of magnetic flow liquid, now, shape memory alloy spring produce output and pushed
Move driven platen and produce pressure with active right shell body, so as to produce moment of friction；Meanwhile driven platen can also be to magnetic flow liquid
Extruded, by extrusion effect, the performance of magnetic flow liquid can be increased, so as to further improve the efficiency of torque transmission and steady
It is qualitative.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1-driving shaft, 2-active right shell body, 3-outer cylinder, 4-active left shell, 5-shell, 6-driven
Axle, 7-driven shell, 8-driven platen, 9-connection cover, 10-sleeve pipe, 11-feather key, 12-shape memory alloy spring,
13-bulge loop, 14-magnetic flow liquid, 15-magnet exciting coil, 16-magnetism-isolating loop, 17-electric brush slip ring, 18-marmem are opened
Close, 19-end cap.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment：Referring to Fig. 1, the magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding, including
Driving part and slave unit.The driving part includes driving shaft 1, active right shell body 2, outer cylinder 3 and active left shell 4；
Institute's active right shell body 2, outer cylinder 3 and active left shell 4 are connected together, and the driving shaft 1 is fixed with active right shell body 2 to be connected
Connect, when it is implemented, the driving shaft 1 is molded as one with active right shell body 2；So that the structural stability of whole device is more
It is good.Wherein, the middle part of active left shell 4 is protruded and forms the shell 5 of a tubular structure to the left.The slave unit includes driven shaft
6th, driven shell 7 and driven platen 8；In tubular construction, its one end stretches into shell 5 the driven shell 7, and passes through support shaft
Hold and be connected with shell 5.There is a connection cover 9, its other end to be stretched into actively after passing through driven shell 7 for one end of the driven shaft 6
In the cavity that right shell body 2, outer cylinder 3 and active left shell 4 surround, the connection cover 9 is fixedly connected with driven housing.From
An end cap 19 is arranged with dynamic shell 7, the end cap 19 is fixedly connected with the end of shell 5；End cap 19 and driven shell 7 it
Between be provided with felt circle；So that the better tightness of whole transmission device.
For the driven platen 8 between active right shell body 2 and active left shell 4, its left side central portion has sleeve 10,
And be sheathed on by the sleeve pipe 10 on driven shaft 6, and described sleeve pipe 10 is slidably matched with driven shaft 6 by feather key 11 and is connected；Make
Driven platen 8 can be along the axial movement of driven shaft 6.Marmem is provided between sleeve pipe 10 and the connection cover 9 of driven shaft 6
Spring 12, the shape memory alloy spring 12 are arranged on the driven shaft 6, and its both ends is fixed with connection cover 9 and conduit respectively to be connected
Connect；When 12 deformation of shape memory alloy spring, clutch plate can be driven to move.It is located at the portion in the outside of shell 5 in driven shell 7
It is arranged with passage；So that shape memory alloy spring 12 can quickly sense the change of environment temperature, to improve response
Speed.
On the right side of driven platen 8 close to edge provided with bulge loop 13 around it, the bulge loop 13 and driven platen 8
It is integrally formed；In the inner side of active right shell body 2, to should bulge loop 13 be provided with an annular groove；Annular groove is stretched into the part of bulge loop 13
It is interior, make to form magnetic flow liquid working chamber between driven platen 8, active right shell body 2 and bulge loop 13, and work as the end face of bulge loop 13 and master
When dynamic right shell body 2 is close to, friction can be produced.Magnetic flow liquid 14 is filled with magnetic flow liquid working chamber；In active right shell body 2
On be additionally provided with a liquid injection hole, in the liquid injection hole coordinate be provided with a fluid injection plug screw so that the filling and replacing of magnetic flow liquid 14
It is more convenient, fast.Sealing ring is provided with the inside of bulge loop 13 and between annular groove sidewall；To avoid magnetic flow liquid 14 through bulge loop
Clearance leakage between 13 and groove, so as to be further ensured that the overall stability of transmission device.
A coil groove is provided with the middle part of the inner side of active right shell body 2, magnet exciting coil 15, the excitation are provided with the coil groove
Coil 15 is enclosed in coil groove by magnetism-isolating loop 16.An electric brush slip ring 17 is provided with driving shaft 1, the magnet exciting coil 15 passes through
One Shape memory alloy switches 18 are connected with the electric brush slip ring 17.The Shape memory alloy switches 18 include movable contact spring and stationary contact
Piece, the electric brush slip ring 17 and magnet exciting coil 15 are connected by wire with movable contact spring and static contact respectively；Wherein, the movable contact spring
It is made up of marmem, after surrounding air is increased to certain temperature（I.e. environment temperature reaches the shape of marmem
After temperature）, movable contact spring and static contact can be bonded.
In the course of work, driving shaft 1 rotates under the drive of power set；
1）After environment temperature raises, Shape memory alloy switches 18 close automatically, and magnet exciting coil 15 is powered, so as to produce
Magnetic fields make magnetic flow liquid 14 produce rheological effect and start to transmit torque in the magnetic flow liquid 14 in magnetic flow liquid working chamber,
Slave unit starts to rotate.
2）Device continuous firing, the temperature of device continue to raise, and cause the property of magnetic flow liquid 14 in magnetic flow liquid working chamber
It can decline；At the same time, after shape memory alloy spring 12 senses the rise of unit temp, start to produce power output, promote
Driven platen 8 produces pressure with the inwall of active right shell body 2, and so as to produce moment of friction, the reduction to magnetic rheology effect is mended
Repay；Meanwhile during shape memory alloy spring 12 promotes driven platen 8, magnetic flow liquid 14 can be extruded, due to squeezing
Effect is pressed, the performance of magnetic flow liquid 14 can increase, and add the torque of the transmission of magnetic flow liquid 14, ensure that the stabilization of torque transmission
Property.
It is last it should be noted that above example is only illustrating the technical solution of the utility model rather than restriction technologies
Scheme, it will be understood by those within the art that, those are modified or are equal to the technical solution of the utility model
Replace, without departing from the objective and scope of the technical program, all should cover among right of the present utility model.
Claims (5)
1. the magnetic flow liquid and the joint transmission device that rubs, including driving part and follower of a kind of marmem extruding
Part, the driving part include driving shaft, active right shell body, outer cylinder and active left shell, institute's active right shell body, outer cylinder and
Active left shell is connected together, and the driving shaft is fixedly connected with active right shell body, wherein, it is convex to the left in the middle part of active left shell
Go out and form the shell of a tubular structure；The slave unit includes driven shaft, driven shell and driven platen, described driven outer
In tubular construction, its one end stretches into shell shell, and is connected by spring bearing with shell；One end of the driven shaft has one
Connection cover, its other end are stretched into the cavity that active right shell body, outer cylinder and active left shell surround after passing through driven shell,
The connection cover is fixedly connected with driven housing；It is characterized in that：The driven platen is located at active right shell body and active left housing
Between body, its left side central portion has sleeve, and is sheathed on by the sleeve pipe on driven shaft, and described sleeve pipe by feather key with from
Moving axis is slidably matched connected；Shape memory alloy spring, the shape memory are provided between sleeve pipe and the connection cover of driven shaft
Alloy spring is set on driven shaft, and its both ends is fixedly connected with connection cover and conduit respectively；It is located in driven shell outside shell
The part of side is provided with passage；
Bulge loop around it is provided with close to edge on the right side of driven platen, on the inside of active right shell body, to should bulge loop
Provided with an annular groove；The bulge loop part is stretched into annular groove, makes to form magnetic between driven platen, active right shell body and bulge loop
Rheology liquid working chamber, and when bulge loop end face is close to active right shell body, friction can be produced；Filled out in magnetic flow liquid working chamber
Filled with magnetic flow liquid；
Middle part on the inside of active right shell body is provided with a coil groove, is provided with magnet exciting coil in the coil groove, the magnet exciting coil by
Magnetism-isolating loop is enclosed in coil groove；An electric brush slip ring is provided with driving shaft, the magnet exciting coil passes through a marmem
Switch is connected with the electric brush slip ring.
2. the magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding according to claim 1, its
It is characterised by：The Shape memory alloy switches include movable contact spring and static contact, and the electric brush slip ring and magnet exciting coil lead to respectively
Wire is crossed with movable contact spring and static contact to be connected；Wherein, the movable contact spring is made up of marmem, when surrounding air is increased to
After certain temperature, movable contact spring and static contact can be bonded.
3. the magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding according to claim 1, its
It is characterised by：Sealing ring is provided between annular groove sidewall on the inside of bulge loop.
4. the magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding according to claim 1, its
It is characterised by：An end cap is arranged with driven shell, the end cap is fixedly connected with the end of shell.
5. the magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding according to claim 4, its
It is characterised by：Felt circle is provided between end cap and driven shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662032.7U CN206802225U (en) | 2017-06-08 | 2017-06-08 | The magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662032.7U CN206802225U (en) | 2017-06-08 | 2017-06-08 | The magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206802225U true CN206802225U (en) | 2017-12-26 |
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ID=60745640
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720662032.7U Expired - Fee Related CN206802225U (en) | 2017-06-08 | 2017-06-08 | The magnetic flow liquid and the joint transmission device that rubs of a kind of marmem extruding |
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| Country | Link |
|---|---|
| CN (1) | CN206802225U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742279A (en) * | 2018-12-26 | 2019-05-10 | 周芷若 | A kind of new-energy automobile lithium battery charge protection device |
| CN110005772A (en) * | 2019-03-25 | 2019-07-12 | 山东科技大学 | Permanent magnet type magnetic current variable liquid driving device |
| WO2020239300A1 (en) * | 2019-05-25 | 2020-12-03 | Robert Bosch Gmbh | Magnetorheological device |
-
2017
- 2017-06-08 CN CN201720662032.7U patent/CN206802225U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742279A (en) * | 2018-12-26 | 2019-05-10 | 周芷若 | A kind of new-energy automobile lithium battery charge protection device |
| CN110005772A (en) * | 2019-03-25 | 2019-07-12 | 山东科技大学 | Permanent magnet type magnetic current variable liquid driving device |
| WO2020239300A1 (en) * | 2019-05-25 | 2020-12-03 | Robert Bosch Gmbh | Magnetorheological device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |