CN207349305U - A kind of tooth form clutch with magnetic rheologic liquid - Google Patents
A kind of tooth form clutch with magnetic rheologic liquid Download PDFInfo
- Publication number
- CN207349305U CN207349305U CN201721366671.5U CN201721366671U CN207349305U CN 207349305 U CN207349305 U CN 207349305U CN 201721366671 U CN201721366671 U CN 201721366671U CN 207349305 U CN207349305 U CN 207349305U
- Authority
- CN
- China
- Prior art keywords
- driving shaft
- driven shaft
- bearing
- coil holder
- small end
- 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.)
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Abstract
The utility model discloses a kind of tooth form clutch with magnetic rheologic liquid, and specifically disclosing it includes coil holder, coil, driving shaft, driven shaft, internal tooth casing, external tooth cover and bearing；Also disclose that the connection relation or connection structure of above-mentioned each building block, such as, the coil holder includes the first pedestal and the second pedestal, and the first pedestal and the second pedestal are detachably connected, and coil is inlayed in coil holder；The bearing includes clutch shaft bearing and second bearing；The driving shaft and driven shaft is step structure, including a big end and a small end, the small end of driving shaft and the small end of driven shaft are arranged in coil holder；The utility model is convenient for disassembly and assembly, and the plastic body or solid of different yield strengths are formed by controlling magnetic current and liquid flow body, so as to have the function that the different torques of transmission；2nd, external tooth cover, internal tooth casing and driving shaft, the connection mode of driven shaft are connected using spline, and bonding strength is high.
Description
Technical field
Mechanical equipment technical field is the utility model is related to, is specially a kind of tooth form clutch with magnetic rheologic liquid.
Background technology
Clutch is that the master and slave moving part of connection can realize company with passing power or the device of movement, clutch by job requirement
Connect power or disengage power, traditional clutch has slip clutch, fluid torque-converter, electromagnetic clutch etc., its mainly according to
Carry out transfer motion power by contacting or departing between master and slave moving part, therefore the abrasion of much time using clutch is very serious, according to system
Have 50% above is caused by clutch abrasion in meter mechanical breakdown, how to improve clutch abrasion is always scholars
The hot spot of concern.
Magnetic flow liquid is a kind of intellectual material of excellent performance, this kind of liquid can be under magnetic fields in the moment of Millisecond
The higher Bingham plastic bodies or viscoelastic body of shear yield stress is become by Newtonian fluid, and the transformation is continuous, reversible.It is existing
The structure type for having clutch with magnetic rheologic liquid is mainly disc type, drum type brake, these three patterns of circular cone type, the clutch of these designs
Device is larger there are volume, there is installing and dismounting it is inconvenient the problem of.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, there is provided a kind of tooth form clutch with magnetic rheologic liquid, with
The problem of overcoming installing and dismounting inconvenient.
The purpose of this utility model is achieved through the following technical solutions：A kind of tooth form clutch with magnetic rheologic liquid, it
Including coil holder, coil, driving shaft, driven shaft, internal tooth casing, external tooth cover and bearing；
The coil holder includes the first pedestal and the second pedestal, and the first pedestal and the second pedestal are detachably connected, coil
Inlay in coil holder；
The bearing includes clutch shaft bearing and second bearing；
The driving shaft and driven shaft is step structure, including a big end and a small end, driving shaft it is small
The small end of end and driven shaft is arranged in coil holder；
Spline is provided with driving shaft small end, spline is provided with internal tooth casing, spline is provided with driven shaft small end
Groove, is provided with spline on external tooth cover, wherein, the spline set on the spline and driving shaft set on internal tooth casing coordinates,
The spline set on the spline and driven shaft set on external tooth cover coordinates；
Clutch shaft bearing is set between driving shaft small end and coil holder, the second axis is provided between driven shaft small end and coil holder
Hold；
Internal tooth compresses clutch shaft bearing inner ring after being set on driving shaft small end, after external tooth is set on driven shaft small end
Compress second bearing inner ring；After internal tooth casing position is set, internal tooth casing is fixed by the first pressing plate, external tooth cover position is set
Afterwards, external tooth cover is fixed by the second pressing plate；Wherein, the first pressing plate is fixed by screw and driving shaft, and the second pressing plate passes through spiral shell
Nail is fixed with driven shaft；
Sealed between external tooth cover and internal tooth casing by sealing ring, a confined space is formed between external tooth cover and internal tooth casing, at this
Injection magnetic flow liquid fluid in confined space, and closed with screw plug.
It is preferred that it is detachably connected including being bolted and/or being connected together.It is highly preferred that in the first pedestal
Fixed again after first padding one block of rubber with the junction of the second pedestal, obturation effect is more preferable, and also more firmly, antivibration effect is also more for connection
It is good.
It is preferred that be provided with end cap on coil holder, end cap includes the first end cap and the second end cap, the first end cap with
Dustband is installed, installation and dustband between the second end cap and driven shaft between driving shaft.
It is preferred that end cap is connected by screw with coil holder.
It is preferred that driving shaft big end is consistent with the diameter of driven shaft big end；Driving shaft small end and driven shaft small end
Diameter it is consistent.
It is preferred that after one trapezium structure of end set of internal tooth casing, the first pressing plate compression internal tooth casing end,
The end plane of first pressing plate is concordant with the end plane of internal tooth casing.
It is preferred that after one trapezium structure of end set of external tooth cover, the second pressing plate compression external tooth cover end,
The end plane of second pressing plate is concordant with the end plane of external tooth cover.
It is preferred that external tooth cover inner periphery is machined with double wedge staggeredly, effectively increase connection with internal tooth casing excircle
Contact area during power between master and slave moving axis, improves driving torque.
The beneficial effects of the utility model are：
1st, closed annular space is formed between external tooth cover and internal tooth casing, and magnetic current and liquid flow is injected in the confined space
Body, the intensity in magnetic field is formed by the intensity of the alternating current in control coil to control, and control magnetic current and liquid flow body is formed not
With the plastic body or solid of yield strength, so as to have the function that the different torques of transmission；
2nd, external tooth cover, internal tooth casing and driving shaft, the connection mode of driven shaft are connected using spline, and bonding strength is high.
3rd, the structure of the utility model is modular construction, convenient for disassembly and assembly.
Brief description of the drawings
Fig. 1 is tooth form clutch with magnetic rheologic liquid sectional view；
In figure, 1, driving shaft, 2, dustband, the 3, first end cap, 4, clutch shaft bearing, 5, attachment screw, 6, coil holder, 7, spiral shell
Bolt, the 8, first pressing plate, 9, screw, 10, driven shaft, 11, external tooth cover, 12, sealing ring, 13, internal tooth casing, 14, spline, 15, spiral shell
It is stifled, 16, coil.
Embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in Figure 1, a kind of tooth form clutch with magnetic rheologic liquid, it includes coil holder 6, coil 16, driving shaft 1, driven shaft
10th, internal tooth casing 13, external tooth cover 11 and bearing；
The coil holder 6 includes the first pedestal and the second pedestal, and the first pedestal and the second pedestal are detachably connected, coil
16 inlay in coil holder 6；
The bearing includes clutch shaft bearing 4 and second bearing；
The driving shaft 1 and driven shaft 10 is step structure, including a big end and a small end, driving shaft 1
Small end and the small end of driven shaft 10 be arranged in coil holder 6；
Spline 14 is provided with 1 small end of driving shaft, spline is provided with internal tooth casing 13, is set on 10 small end of driven shaft
There is spline, spline is provided with external tooth cover 11, wherein, set on the spline and driving shaft 1 set on internal tooth casing 13
Spline 14 coordinates, and the spline set on external tooth cover 11 coordinates with the spline set on driven shaft 10；
Clutch shaft bearing 4 is set between 1 small end of driving shaft and coil holder 6, is provided between 10 small end of driven shaft and coil holder 6
Second bearing；
Internal tooth casing 13 compresses 4 inner ring of clutch shaft bearing after being arranged on 1 small end of driving shaft, and external tooth cover 11 is arranged on driven shaft 10
Second bearing inner ring is compressed after on small end；After 13 position of internal tooth casing is set, internal tooth casing 13 is fixed by the first pressing plate 8, outside
After 11 positions of tooth set are set, external tooth cover 11 is fixed by the second pressing plate；Wherein, the first pressing plate 8 passes through screw 9 and driving shaft
1 fixes, and the second pressing plate is fixed by screw 9 and driven shaft 10；
Sealed between external tooth cover 11 and internal tooth casing 13 by sealing ring 12, it is closed that one is formed between external tooth cover 11 and internal tooth casing 13
Space, injects magnetic flow liquid fluid in the confined space, and is closed with screw plug 15.The power cord of the utility model passes through coil
It is connected after seat 6 with coil 16, the size of current of power supply is controllable.
In a preferred embodiment, it is detachably connected and connects and/or be connected together including bolt 7.It is highly preferred that
Fixed again after the junction elder generation cushion block rubber of one pedestal and the second pedestal, obturation effect is more preferable, and connection is also more firm, antivibration effect
Also it is more preferable.
In a preferred embodiment, end cap is provided with coil holder 6, end cap includes the first end cap 3 and the second end cap, the
Dustband 2 is installed between one end cap 3 and driving shaft 1, to prevent dust from entering, between the second end cap and driven shaft 10 installation with
Dustband 2, to prevent dust from entering.
In a preferred embodiment, end cap is fixed with coil holder 6 by attachment screw 5.
In a preferred embodiment, 1 big end of driving shaft is consistent with the diameter of 10 big end of driven shaft；1 small end of driving shaft with
The diameter of 10 small end of driven shaft is consistent.
In a preferred embodiment, internal tooth is compressed in one trapezium structure of end set of internal tooth casing 13, the first pressing plate 8
After covering 13 ends, the end plane of the first pressing plate 8 is concordant with the end plane of internal tooth casing 13.
In a preferred embodiment, external tooth is compressed in one trapezium structure of end set of external tooth cover 11, the second pressing plate
After covering 11 ends, the end plane of the second pressing plate is concordant with the end plane of external tooth cover 11.
In a preferred embodiment, 11 inner periphery of external tooth cover (inner wall) is machined with friendship with 13 excircle of internal tooth casing (outer wall)
Wrong double wedge, after magnetic flow liquid fluid, which cures, to be connected thereto, has larger contact area, can transmit larger torque.
The operation principle of the utility model：When coil 16 is not passed through electric current, since external tooth cover 11 and internal tooth casing 13 are formed
Confined space in there is no magnetic field, magnetic flow liquid fluid disengages connection, moves into Newtonian fluid between driving shaft 1 and driven shaft 10
Power is not bound with, and when coil 16 is passed through alternating current, forms magnetic field, and according to the power in magnetic field, magnetic current and liquid flow body is formed not
With the plastic body or solid of yield strength, so that driving shaft 1 be connected with driven shaft 10, power combines.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, and should refer to
Go out, all any modification, equivalent and improvement made where within the spirit and principles of the present invention etc., should all include
Within the scope of protection of the utility model.
Claims (8)
- A kind of 1. tooth form clutch with magnetic rheologic liquid, it is characterised in that：It includes coil holder, coil, driving shaft, driven shaft, internal tooth Set, external tooth cover and bearing；The coil holder includes the first pedestal and the second pedestal, and the first pedestal and the second pedestal are detachably connected, and coil is inlayed In coil holder；The bearing includes clutch shaft bearing and second bearing；The driving shaft and driven shaft is step structure, including a big end and a small end, the small end of driving shaft and The small end of driven shaft is arranged in coil holder；Spline is provided with driving shaft small end, spline is provided with internal tooth casing, spline is provided with driven shaft small end, outside Tooth, which is put on, is provided with spline, wherein, the spline set on the spline and driving shaft set on internal tooth casing coordinates, external tooth cover The spline set on the spline and driven shaft of upper setting coordinates；Clutch shaft bearing is set between driving shaft small end and coil holder, second bearing is provided between driven shaft small end and coil holder；Internal tooth compresses clutch shaft bearing inner ring, compression after external tooth is set on driven shaft small end after being set on driving shaft small end Second bearing inner ring；After internal tooth casing position is set, internal tooth casing is fixed by the first pressing plate, after external tooth cover position is set, External tooth cover is fixed by the second pressing plate；Wherein, the first pressing plate is fixed by screw and driving shaft, the second pressing plate by screw with Driven shaft is fixed；Sealed between external tooth cover and internal tooth casing by sealing ring, a confined space is formed between external tooth cover and internal tooth casing, it is closed at this Magnetic flow liquid fluid is injected in space, and is closed with screw plug.
- A kind of 2. tooth form clutch with magnetic rheologic liquid according to claim 1, it is characterised in that：It is detachably connected including bolt Connect and/or be connected together.
- A kind of 3. tooth form clutch with magnetic rheologic liquid according to claim 1 or 2, it is characterised in that：It is provided with coil holder End cap, end cap include the first end cap and the second end cap, are provided with dustband between the first end cap and driving shaft, the second end cap with from Installation and dustband between moving axis.
- A kind of 4. tooth form clutch with magnetic rheologic liquid according to claim 3, it is characterised in that：End cap passes through spiral shell with coil holder Nail connection.
- A kind of 5. tooth form clutch with magnetic rheologic liquid according to claim 1 or 2 or 4, it is characterised in that：Driving shaft big end with The diameter of driven shaft big end is consistent；Driving shaft small end is consistent with the diameter of driven shaft small end.
- A kind of 6. tooth form clutch with magnetic rheologic liquid according to claim 1 or 2 or 4, it is characterised in that：At the end of internal tooth casing After portion sets a trapezium structure, the first pressing plate to compress internal tooth casing end, the end plane of the first pressing plate and the end of internal tooth casing Plane is concordant.
- A kind of 7. tooth form clutch with magnetic rheologic liquid according to claim 1 or 2 or 4, it is characterised in that：At the end of external tooth cover After portion sets a trapezium structure, the second pressing plate to compress external tooth cover end, the end plane of the second pressing plate and the end of external tooth cover Plane is concordant.
- A kind of 8. tooth form clutch with magnetic rheologic liquid according to claim 1 or 2 or 4, it is characterised in that：External tooth cover inner periphery Double wedge staggeredly is machined with internal tooth casing excircle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366671.5U CN207349305U (en) | 2017-10-23 | 2017-10-23 | A kind of tooth form clutch with magnetic rheologic liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721366671.5U CN207349305U (en) | 2017-10-23 | 2017-10-23 | A kind of tooth form clutch with magnetic rheologic liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207349305U true CN207349305U (en) | 2018-05-11 |
Family
ID=62355490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721366671.5U Expired - Fee Related CN207349305U (en) | 2017-10-23 | 2017-10-23 | A kind of tooth form clutch with magnetic rheologic liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207349305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564874A (en) * | 2020-04-28 | 2021-10-29 | 无锡小天鹅电器有限公司 | Pulsator washing machine and power driving device and control method thereof |
-
2017
- 2017-10-23 CN CN201721366671.5U patent/CN207349305U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113564874A (en) * | 2020-04-28 | 2021-10-29 | 无锡小天鹅电器有限公司 | Pulsator washing machine and power driving device and control method thereof |
| WO2021217955A1 (en) * | 2020-04-28 | 2021-11-04 | 无锡小天鹅电器有限公司 | Pulsator washing machine and power driving device therefor, and control method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20211023 |