CN209569275U - A kind of magnetic-fluid clutch - Google Patents
A kind of magnetic-fluid clutch Download PDFInfo
- Publication number
- CN209569275U CN209569275U CN201920305863.8U CN201920305863U CN209569275U CN 209569275 U CN209569275 U CN 209569275U CN 201920305863 U CN201920305863 U CN 201920305863U CN 209569275 U CN209569275 U CN 209569275U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- round tube
- rubbing device
- friction block
- input shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011553 magnetic fluid Substances 0.000 title claims abstract description 36
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 239000004922 lacquer Substances 0.000 claims 1
- 230000005291 magnetic effect Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000518 rheometry Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001246 colloidal dispersion Methods 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000011554 ferrofluid Substances 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
Abstract
A kind of magnetic-fluid clutch.Its composition includes: matrix shell, matrix shell is hollow cylinder, the middle part of hollow cylinder is equipped with rubbing device, one group of coil is symmetrically installed on the inner wall of matrix shell, rubbing device is formed by interior round tube is nested with outer round tube, cavity is formed between interior round tube and outer round tube, one side seal of cavity, the cavity other side is sealed by elastic component, there is magnetic fluid in cavity, one group of friction block is embedded on the tube wall of the interior round tube of rubbing device, spring pocket is on friction block, one end of spring is fixed on friction block, the other end of spring is fixed on inner tubal wall, friction block slides axially, input shaft and ladder input shaft are from the interior round tube that rubbing device is protruded into rubbing device one end, position corresponding with friction block has groove on ladder input shaft, output shaft passes through matrix shell and is fixed on the other end of rubbing device.The utility model is used for magnetic-fluid clutch.
Description
Technical field:
The utility model relates to a kind of magnetic-fluid clutch.
Background technique:
A kind of colloidal dispersion system that magnetic fluid is made of base load liquid and granular magnetic retention.Base load liquid divides
Dispersion media is commonly kerosene and machinery oil etc., and the solid magnetic particles as dispersed phase are usually ferromagnetic material, as iron, brill,
The magnetic oxide etc. of nickel and they.Ferrofluid has colloidal stability and component stability, and has good magnetization
Performance.When not applying external magnetic field, the viscosity of rheology liquid is smaller (≤1.0Pa s), and the magnetic rheology effect of rheology liquid is better.
Magnetic fluid can magnetize under the synergy in magnetic field or electric field and magnetic field, to present " like phenomenon is aggravated ", be distributed to being located at
Non-magnetic particle in a fluid generates magnetic buoyancy effect.It is known as " apparent density " like the density after exacerbation, change can be passed through
Applied field strengths, magnetic field gradient or electric field strength adjust " apparent density " size.Since " apparent density " is than medium itself
Much higher times of density, and be distributed namagnetic substance in a fluid and do not magnetize, so that magnetic fluid is to nonmagnetics therein
Matter generates very big buoyancy.Structure is complicated using magnetic-fluid clutch at present, low-response, complicated for operation and be capable of providing torque
It is small.
Summary of the invention:
The purpose of the utility model is to provide a kind of magnetic-fluid clutch that a kind of apparent density greatly improves.
Above-mentioned purpose is realized by following technical scheme:
A kind of magnetic-fluid clutch, composition includes: matrix shell, and the matrix shell is hollow cylinder, institute
The middle part for the hollow cylinder stated is equipped with rubbing device, is symmetrically installed one group of coil on the inner wall of the matrix shell, described
Rubbing device formed by the interior round tube is nested with the outer round tube, between the interior round tube and the outer round tube
Cavity, one side seal of cavity are formed, the cavity other side is sealed by elastic component, has magnetic in the cavity
Fluid, one group of friction block is embedded on the tube wall of the interior round tube of the rubbing device, and spring pocket is described on the friction block
One end of spring be fixed on the friction block, the other end of the spring is fixed on the inner tubal wall, described
Friction block slide axially, input shaft and ladder input shaft protrude into the institute of the rubbing device from described rubbing device one end
In the interior round tube stated, position corresponding with the friction block has groove, the output shaft on the ladder input shaft
It is fixed on across the matrix shell on the other end of the rubbing device.
A kind of magnetic-fluid clutch, the input shaft connection gear are simultaneously connected by key.
A kind of magnetic-fluid clutch, the elastic component are sealed into elastic rubber disk.
A kind of magnetic-fluid clutch, the friction block are cylindrical body.
A kind of magnetic-fluid clutch, is connected by key between the output shaft and the rubbing device.
The utility model has the advantages that
1. the utility model changes magnetic fluid state by the magnetic field that control coil generates, and then intracorporal by magnetic current
Pressure effect makes friction block and input shaft friction and engages, final that output shaft is driven to rotate.
It is easy to operate and be capable of providing high torque 2. the utility model has the advantages of simple structure, response quickly.
3. the utility model changes magnetic fluid state by the magnetic field that control coil generates, and then passes through magnetic fluid internal pressure
Power effect makes friction block and input shaft friction and engages, final that output shaft is driven to rotate.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of this product.
Attached drawing 2 is the structural schematic diagram of matrix shell in attached drawing 1.
Attached drawing 3 is the left view of attached drawing 2.
Attached drawing 4 is the structural schematic diagram of rubbing device in attached drawing 1.
Attached drawing 5 is the left view of attached drawing 4.
Specific embodiment:
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
Embodiment 1:
A kind of magnetic-fluid clutch, composition includes: matrix shell 1, and the matrix shell is provided with rubbing device 2,
The matrix shell has closed end 3, and the closed end is provided with circular hole 4, and the rubbing device has friction closed end
5, the friction closed end is provided with concentric circle holes 6, and output shaft 7, institute are inserted between the circular hole and the concentric circle holes
It is connected and fixed between the output shaft stated and the friction closed end by key 8, the rubbing device connects ladder input shaft
9, the ladder inputs axis connection input shaft 10, the input shaft connection gear 11, and the matrix shell is circumferentially opened
There is one group of embedding groove 12, the embedding groove connects coil 13.
Embodiment 2:
A kind of magnetic-fluid clutch described in embodiment 1, the rubbing device include outer round tube 14, the outer round tube
Round tube 15 in connecting, is connected with elastic rubber disk 16 between the interior round tube and the outer round tube, the interior round tube connects
Spring 17 is connect, the spring connects friction block 18, and the ladder input shaft is circumferentially provided with one group of groove 19, the bullet
Spring connects top plate 20, and the top plate cooperation groove uses, and passes through tooth between the gear and the output shaft
Wheel key 21 is connected and fixed.
Embodiment 3:
A kind of magnetic-fluid clutch as described in example 2, the friction block are cylindrical body, and the friction block is symmetrically embedding
On the tube wall of the interior round tube.
Embodiment 4:
A kind of magnetic-fluid clutch described in above-described embodiment, including matrix shell, rubbing device, input shaft and output
Axis, rubbing device are constituted by the interior round tube of two different inner diameters is nested with outer round tube, and outer round tube side sealing, the other side passes through
The gap cavity of the elastic rubber disk that is spirally connected sealing, formation is full of magnetic fluid；It is symmetrically embedded on the inner circle tube wall of rubbing device several
Friction block；Friction block is cylindrical body, and on friction block, one end of spring is fixed on friction block spring pocket, the other end of spring
Be fixed on the tube wall of interior round tube, friction block can slide axially, ladder input shaft from the interior round tube that rubbing device is protruded into side,
There are groove, output shaft passes through matrix outer casing bottom and connects with another side switch of rubbing device for position corresponding with friction block
It connects；Matrix shell is cylindrical body, and cylindrical cavity includes entire rubbing device, and several coils are symmetrically installed on inner wall.
Embodiment 5:
A kind of magnetic-fluid clutch described in above-described embodiment, including matrix shell, rubbing device, input shaft, ladder are defeated
Enter axis and output shaft, matrix shell is hollow cylinder, and rubbing device is located at the middle part of hollow cylinder, on matrix outer casing inner wall
Be symmetrically installed several coils, rubbing device by two different inner diameters interior round tube it is nested with outer round tube form, interior round tube and outer
Cavity, one side seal of cavity are formed between round tube, the cavity other side is sealed by elastic component, has magnetic fluid, friction in cavity
Several friction blocks are embedded on the interior tube wall of device, spring pocket is on friction block, and one end of spring is fixed on friction block, bullet
The other end of spring is fixed on inner tubal wall, and friction block can slide axially, and input shaft protrudes into rubbing device from rubbing device one end
In interior round tube, position corresponding with friction block has groove on ladder input shaft, and output shaft passes through matrix shell and is fixed on friction
On the other end of device.
Embodiment 6:
A kind of working method of magnetic-fluid clutch passes through control when gear band driven input shaft and the rotation of ladder input shaft
Coil in matrix shell processed provides magnetic field, so that the magnetic fluid in rubbing device is in field region Momentary magnetizing, corresponding magnetic current
The interior pressure that friction block in body is subject to increases, and is axially moved, and friction block stretches out interior round tube and input shaft friction；It is rubbing
In the process, the groove in ladder input shaft can be engaged with friction block, so drive rubbing device move together, rubbing device with it is defeated
Axis connection out, passing movement；When control coil magnetic field disappears, magnetic fluid momentary recovery Newtonian fluid state, friction block is in bullet
Be pulled under the action of spring into rubbing device, input shaft and ladder input shaft and the connectionless relationship of output shaft so that movement every
From variation of magnetic fluid volume is offset by elastic rubber disk during this.
Claims (5)
1. a kind of magnetic-fluid clutch, composition includes: matrix shell, it is characterized in that: the matrix shell is open circles
Cylinder, the middle part of the hollow cylinder are equipped with rubbing device, are symmetrically installed one group of line on the inner wall of the matrix shell
Circle, the rubbing device forms by the interior round tube is nested with the outer round tube, the interior round tube and described outer
Cavity, one side seal of cavity are formed between round tube, the cavity other side is sealed by elastic component, the cavity
It is interior that there is magnetic fluid, it is embedded with one group of friction block on the tube wall of the interior round tube of the rubbing device, spring pocket is in the friction
On block, one end of the spring is fixed on the friction block, and the other end of the spring is fixed on the inner tube
On wall, the friction block slides axially, and input shaft and ladder input shaft protrude into described rub from described rubbing device one end
In the interior round tube for wiping device, position corresponding with the friction block has groove, institute on the ladder input shaft
The output shaft stated passes through the matrix shell and is fixed on the other end of the rubbing device.
2. a kind of magnetic-fluid clutch according to claim 1, it is characterized in that: the input shaft connection gear and leading to
Cross key connection.
3. a kind of magnetic-fluid clutch according to claim 1, it is characterized in that: the elastic component is sealed into elastic rubber
Lacquer disk(-sc).
4. a kind of magnetic-fluid clutch according to claim 1, it is characterized in that: the friction block is cylindrical body.
5. a kind of magnetic-fluid clutch according to claim 1, it is characterized in that: the output shaft and the friction fill
It is connected by key between setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305863.8U CN209569275U (en) | 2019-03-12 | 2019-03-12 | A kind of magnetic-fluid clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920305863.8U CN209569275U (en) | 2019-03-12 | 2019-03-12 | A kind of magnetic-fluid clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569275U true CN209569275U (en) | 2019-11-01 |
Family
ID=68334953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920305863.8U Expired - Fee Related CN209569275U (en) | 2019-03-12 | 2019-03-12 | A kind of magnetic-fluid clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569275U (en) |
-
2019
- 2019-03-12 CN CN201920305863.8U patent/CN209569275U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |