CN205895973U - Shape memory alloy spring driven circular cone friction formula fan clutch - Google Patents
Shape memory alloy spring driven circular cone friction formula fan clutch Download PDFInfo
- Publication number
- CN205895973U CN205895973U CN201620898670.4U CN201620898670U CN205895973U CN 205895973 U CN205895973 U CN 205895973U CN 201620898670 U CN201620898670 U CN 201620898670U CN 205895973 U CN205895973 U CN 205895973U
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- China
- Prior art keywords
- shape memory
- memory alloy
- alloy spring
- fixedly connected
- clutch plate
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Abstract
The utility model discloses a shape memory alloy spring driven circular cone friction formula fan clutch, including shell, driving shaft, driven shaft, initiative dish and driven plate, the initiative dish is the toper, the driven plate passes through feather key and outer cylindrical sliding connection, and its right -hand member has and initiatively coils corresponding toper groove, is equipped with several shape memory alloy actuating mechanism between the left end of driven plate and left casing, shape memory alloy actuating mechanism includes guide holder, guide bar and shape memory alloy spring I, on I set shape memory alloy spring locates the guide bar, its one end and driven plate fixed connection, the other end and guide holder fixed connection, on outer cylindrical, the air vent has been seted up to the position that corresponds shape memory alloy actuating mechanism. The utility model discloses power consumption is low, pollutes and lacks, can respond to the temperature of radiator, adjusts transmission torque and output speed in real time, realizes the temperature control to the fan, and the operation is reliable more, stable.
Description
Technical field
The utility model is related to a kind of automobile fan parts, the circle that more particularly, to a kind of shape memory alloy spring drives
Cone friction-type fan clutch.
Background technology
Existing automobile fan clutch mostly is engine crankshaft and drives the silicon-oil fan clutch with silicone oil as Transfer Medium
Device, can not there is larger slippage, transmission effect according to environment temperature real-time adjustment rotating speed and in transmission in this fan clutch
Rate is generally relatively low.Marmem is a kind of new function with SME, superelastic effect and sensing characteristicses
Material, after marmem occurs residual deformation under external force, can occur inverse metamorphism under temperature action again, make material
Recover original shape, during recovering shape, if marmem suffers restraints will produce very big restoring force, can
Externally to be done work with it, make intelligent driver.
Chinese patent cn100443758c discloses a kind of magnetic rheopectic solution fan clutch, and its magnet exciting coil is along inner ring circumference
Cincture, is subject to magnetic rheology effect bigger the closer to marginal portion, but magnetic rheology effect skewness;Chinese patent cn1097040a
Disclose a kind of electric fan clutch driven by memory spring, its active friction cone disk middle inside is provided with shape memory alloy spring
Realize center driven frictional disk to combine, but initiative taper disk and no encapsulating from mantle disk, easily pile up dust and lead to control and lost efficacy.China
Patent cn 204591449u discloses a kind of cooling fan of engine clutch, and it utilizes shape memory alloy spring perception to dissipate
The temperatures drive driving disc spacing pressing of hot device is near clutch plate, thus producing friction torque transmission power, but the elastic force of back-moving spring can subtract
The axial driving force of few shape memory alloy spring, leads to friction effect inconspicuous.
How a kind of fan clutch is provided, to reduce fan clutch power consumption, reduces pollution, and according to the external world
Environment temperature real-time adjustment rotating speed, it has also become those skilled in the art be badly in need of solve technical problem.
Utility model content
For deficiencies of the prior art, the purpose of this utility model is to provide a kind of marmem bullet
The cone friction type fan clutch that spring drives, power consumption is low, and pollution is few, can sense the temperature of radiator, real-time adjustment
Driving torque and output speed, realize the temperature control to fan, run relatively reliable, stable.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is such that a kind of shape memory closes
The spring driven cone friction type fan clutch of gold, including shell, driving shaft, driven shaft, driving disc spacing pressing and clutch plate, described
Shell includes left shell, right shell body and outer cylinder, and wherein, left shell is fixedly connected with the two ends of outer cylinder respectively with right shell body;
The left sleeve pipe of formation is protruded at the middle part of described left shell to the left, is fixedly connected with an end cap, described driven shaft in the end of left sleeve pipe
It is fixedly connected with this end cap;Described driving disc spacing pressing and clutch plate all located inside the shell, described driving shaft pass through after right shell body with actively
Disk is fixedly connected, be provided with bearing between driving shaft and right shell body it is characterised in that: described driving disc spacing pressing is tapered, and its left end is straight
Footpath is less than right-hand member diameter;Described clutch plate is slidably connected with outer cylinder by feather key, and clutch plate can be slided along the axial direction of outer cylinder
Dynamic, its right-hand member has the cone tank corresponding with driving disc spacing pressing, and when driving disc spacing pressing is closed up with clutch plate, the taper surface of driving disc spacing pressing can be with
The taper groove sidewall laminating of clutch plate;
It is provided with several marmem drive mechanisms between the left end and left shell of clutch plate, described shape memory closes
Golden drive mechanism includes guide holder, guide post and shape memory alloy spring, and described guide holder is fixedly connected with left shell, should
Guide holder has gathering sill, and one end of described guide post is stretched in this gathering sill, and the other end is fixedly connected with clutch plate, described shape
On guide post, its one end is fixedly connected shape memory alloys spring housing with clutch plate, and the other end is fixedly connected with guide holder;
In outer cylinder, the position of correspondingly-shaped memorial alloy drive mechanism offers passage.
Further, the left end in clutch plate is provided with a guide piston, and one end of described guide piston and clutch plate are fixed
Connect, the other end stretches in the left sleeve pipe of left shell, and is connected with left cannula slide by feather key;In this guide piston and end cap
Between be provided with shape memory alloy spring, the two ends of described shape memory alloy spring are solid with end cap and guide piston respectively
Fixed connection;On left sleeve pipe, the position of correspondingly-shaped memory alloy spring also offers passage.
Further, the right side of described end cap is protruded and is formed a lead, and described shape memory alloy spring is sheathed on
On this lead.
Further, it is provided with a terminal pad between driving shaft and driving disc spacing pressing, described terminal pad is fixedly connected with driving shaft,
Described driving disc spacing pressing is fixedly connected with this terminal pad.
Further, the right sleeve pipe of formation is protruded to the right at the middle part of described right shell body, and described bearing is located at right sleeve pipe and active
Between axle;It is provided with a closure in the end of right sleeve pipe, described closure is sheathed on driving shaft, and fix even with right sleeve pipe
Connect, be provided with felt circle between closure and driving shaft.
Compared with prior art, the utility model has the advantage that
1st, structure is simple, driving disc spacing pressing, clutch plate and marmem drive mechanism all located inside the shell such that it is able to
Preferably driving disc spacing pressing, clutch plate and marmem drive mechanism are protected, reduce the pollution that dust etc. causes, fortune
Row is relatively reliable, stable.
2nd, perceive the temperature of radiator by marmem drive mechanism, thus real-time adjustment driving disc spacing pressing with driven
Gap between disk and friction torque, realize clutch transmission torque with the change of radiator temperature and Automatic adjusument;And
The friction area being produced using conical surface friction is bigger, and transmission effect becomes apparent from.
Brief description
Fig. 1 is structural representation of the present utility model.
In figure: 101 left shells, 102 right shell bodies, 103 outer cylinder, 2 driving shafts, 3 driven shafts, 4 actively
Disk, 5 clutch plates, 6 end caps, 7 bearings, 801 guide holders, 802 guide posts, 803 shape memory alloy springs,
9 passages, 10 guide pistons, 11 shape memory alloy springs, 12 terminal pads, 13 closures.
Specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment: the cone friction type fan clutch driving referring to Fig. 1, a kind of shape memory alloy spring, including outer
Shell, driving shaft 2, driven shaft 3, driving disc spacing pressing 4 and clutch plate 5.Described shell includes left shell 101, right shell body 102 and outer cylinder
103, wherein, left shell 101 is fixedly connected with the two ends of outer cylinder 103 respectively with right shell body 102.In described left shell 101
The left sleeve pipe of formation is protruded in portion to the left, is fixedly connected with an end cap 6 in the end of left sleeve pipe, and described driven shaft 3 is fixing with this end cap 6
Connect., all located inside the shell, described driving shaft 2 is fixed with driving disc spacing pressing 4 after passing through right shell body 102 for described driving disc spacing pressing 4 and clutch plate 5
Connect, wherein, be provided with a terminal pad 12 between driving shaft 2 and driving disc spacing pressing 4, described terminal pad 12 is fixedly connected with driving shaft 2,
Described driving disc spacing pressing 4 is fixedly connected with this terminal pad 12 so that driving disc spacing pressing 4 rotate more steady;During reality processing, leading
The left side of Moving plate 4 is provided with groove, and in this groove, driving disc spacing pressing 4 is connected with terminal pad 12 by fixing screws;So that connecting
More stable, reliable.It is provided with bearing 7 between driving shaft 2 and right shell body 102;When being embodied as, this bearing 7 adopts a pair of circle
Taper roller bearing 7, and axially position is carried out by circlip and the shaft shoulder, bearing capacity is higher.The middle part of described right shell body 102
Protrude to the right and form right sleeve pipe, described bearing 7 is located between right sleeve pipe and driving shaft 2;It is provided with a sealing in the end of right sleeve pipe
Lid 13, described closure 13 is sheathed on driving shaft 2, and is fixedly connected with right sleeve pipe, sets between closure 13 and driving shaft 2
Hairiness felt collar;So that the better tightness of whole clutch apparatus, reduce dust further to the pollution within clutch.
Described driving disc spacing pressing 4 is tapered, and its left end diameter is less than right-hand member diameter;Described clutch plate 5 passes through feather key and outer cylinder
103 are slidably connected, and clutch plate 5 can sliding axially along outer cylinder 103, its right-hand member has the taper corresponding with driving disc spacing pressing 4
Groove, when driving disc spacing pressing 4 is closed up with clutch plate 5, the taper surface of driving disc spacing pressing 4 can be fitted with the taper groove sidewall of clutch plate 5;Will be actively
Disk 4 is set to the conical surface with the contact surface of clutch plate 5, thus increasing driving disc spacing pressing 4 and the contact area of clutch plate 5, and then effectively improves
Frictional force between driving disc spacing pressing 4 and clutch plate 5, makes transmission effect become apparent from.
It is provided with several marmem drive mechanisms, described shape note between the left end and left shell 101 of clutch plate 5
Recall alloy drive mechanism and include guide holder 801, guide post 802 and shape memory alloy spring 803, described guide holder 801 and a left side
Housing 101 is fixedly connected, and this guide holder 801 has gathering sill, and one end of described guide post 802 is stretched in this gathering sill, another
End is fixedly connected with clutch plate 5, and described shape memory alloy spring 803 is sheathed on guide post 802, its one end and clutch plate 5
It is fixedly connected, the other end is fixedly connected with guide holder 801.In outer cylinder 103, the position of correspondingly-shaped memorial alloy drive mechanism
Put and offer passage 9;When ambient temperature raises, extraneous hot-fluid can quickly enter shell by this passage 9
Interior.
For improving transmission efficiency further, it is provided with a guide piston 10 in the left end of clutch plate 5, described guide piston 10
One end is fixedly connected with clutch plate 5, and the other end stretches in the left sleeve pipe of left shell 101, and by feather key with left cannula slide even
Connect.It is provided with shape memory alloy spring 11, described shape memory alloy spring 11 between this guide piston 10 and end cap 6
Two ends be fixedly connected with end cap 6 and guide piston 10 respectively;On left sleeve pipe, the position of correspondingly-shaped memory alloy spring 11
Put and also offer passage 9.The right side of described end cap 6 is protruded and is formed a lead, 11 sets of described shape memory alloy spring
On this lead.
In the course of work, outside shape memory alloy spring is sensed by the passage 9 on left sleeve pipe and outer cylinder 103
The temperature of boundary's air produces axial elongation, thus driving clutch plate 5 to fit with driving disc spacing pressing 4 and produce and rub when being higher than a certain temperature
Wipe torque and drive drive axis;The axial driving force of the higher shape memory alloy spring of temperature is bigger, driving disc spacing pressing 4 and clutch plate
Friction torque between 5 is also bigger, until driving shaft 2 and driven shaft 3 run-in synchronism;When radiator temperature reduces, shape is remembered
Recall alloy spring and shrink pulling clutch plate 5 return, clutch no longer transmits torque.
Finally it should be noted that above example is only in order to illustrate 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 to the technical solution of the utility model or equivalent
Replacement, the objective without deviating from the technical program and scope, all should cover in the middle of right of the present utility model.
Claims (5)
1. the cone friction type fan clutch that a kind of shape memory alloy spring drives, including shell, driving shaft, driven shaft,
Driving disc spacing pressing and clutch plate, described shell includes left shell, right shell body and outer cylinder, wherein, left shell and right shell body respectively with
The two ends of outer cylinder are fixedly connected;The left sleeve pipe of formation is protruded at the middle part of described left shell to the left, fixing even in the end of left sleeve pipe
It is connected to an end cap, described driven shaft is fixedly connected with this end cap;Described driving disc spacing pressing and clutch plate all located inside the shell, described active
Axle pass through right shell body after be fixedly connected with driving disc spacing pressing, be provided with bearing between driving shaft and right shell body it is characterised in that: described master
Moving plate is tapered, and its left end diameter is less than right-hand member diameter;Described clutch plate is slidably connected with outer cylinder by feather key, and clutch plate
Can sliding axially along outer cylinder, its right-hand member has the cone tank corresponding with driving disc spacing pressing, when driving disc spacing pressing is closed up with clutch plate,
The taper surface of driving disc spacing pressing can be fitted with the taper groove sidewall of clutch plate;
It is provided with several marmem drive mechanisms between the left end and left shell of clutch plate, described marmem drives
Motivation structure includes guide holder, guide post and shape memory alloy spring, and described guide holder is fixedly connected with left shell, this guiding
Seat tool has gathering sill, and one end of described guide post is stretched in this gathering sill, and the other end is fixedly connected with clutch plate, described shape note
Recall alloy spring to be sheathed on guide post, its one end is fixedly connected with clutch plate, and the other end is fixedly connected with guide holder;
In outer cylinder, the position of correspondingly-shaped memorial alloy drive mechanism offers passage.
2. the cone friction type fan clutch that a kind of shape memory alloy spring according to claim 1 drives, it is special
Levy and be: be provided with a guide piston in the left end of clutch plate, one end of described guide piston is fixedly connected with clutch plate, the other end
Stretch in the left sleeve pipe of left shell, and be connected with left cannula slide by feather key;It is provided with shape between this guide piston and end cap
Shape memory alloys spring, the two ends of described shape memory alloy spring are fixedly connected with end cap and guide piston respectively;?
On left sleeve pipe, the position of correspondingly-shaped memory alloy spring also offers passage.
3. the cone friction type fan clutch that a kind of shape memory alloy spring according to claim 2 drives, it is special
Levy and be: the right side of described end cap is protruded and formed a lead, and described shape memory alloy spring is sheathed on this lead.
4. the cone friction type fan clutch that a kind of shape memory alloy spring according to claim 1 drives, it is special
Levy and be: be provided with a terminal pad between driving shaft and driving disc spacing pressing, described terminal pad is fixedly connected with driving shaft, described driving disc spacing pressing
It is fixedly connected with this terminal pad.
5. the cone friction type fan clutch that a kind of shape memory alloy spring according to claim 1 drives, it is special
Levy and be: the right sleeve pipe of formation is protruded to the right at the middle part of described right shell body, described bearing is located between right sleeve pipe and driving shaft;On the right side
The end of sleeve pipe is provided with a closure, and described closure is sheathed on driving shaft, and is fixedly connected with right sleeve pipe, closure with
It is provided with felt circle between driving shaft.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620898670.4U CN205895973U (en) | 2016-08-18 | 2016-08-18 | Shape memory alloy spring driven circular cone friction formula fan clutch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620898670.4U CN205895973U (en) | 2016-08-18 | 2016-08-18 | Shape memory alloy spring driven circular cone friction formula fan clutch |
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Publication Number | Publication Date |
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CN205895973U true CN205895973U (en) | 2017-01-18 |
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ID=57780198
Family Applications (1)
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CN201620898670.4U Expired - Fee Related CN205895973U (en) | 2016-08-18 | 2016-08-18 | Shape memory alloy spring driven circular cone friction formula fan clutch |
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CN (1) | CN205895973U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107061565A (en) * | 2017-05-22 | 2017-08-18 | 中南林业科技大学 | Built-in pneumatic brake rotary table and its brake control method |
CN111720457A (en) * | 2020-06-29 | 2020-09-29 | 肖恩君 | Star-type roller clutch |
CN112328052A (en) * | 2020-10-20 | 2021-02-05 | 蒙秀花 | CPU circulation heat radiation structure |
CN112983617A (en) * | 2021-03-03 | 2021-06-18 | 三一重机有限公司 | Mounting structure of engine cooling fan and engine with same |
-
2016
- 2016-08-18 CN CN201620898670.4U patent/CN205895973U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107061565A (en) * | 2017-05-22 | 2017-08-18 | 中南林业科技大学 | Built-in pneumatic brake rotary table and its brake control method |
CN107061565B (en) * | 2017-05-22 | 2018-12-14 | 中南林业科技大学 | Built-in pneumatic brake rotary table and its brake control method |
CN111720457A (en) * | 2020-06-29 | 2020-09-29 | 肖恩君 | Star-type roller clutch |
CN112328052A (en) * | 2020-10-20 | 2021-02-05 | 蒙秀花 | CPU circulation heat radiation structure |
CN112983617A (en) * | 2021-03-03 | 2021-06-18 | 三一重机有限公司 | Mounting structure of engine cooling fan and engine with same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
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: 20170118 Termination date: 20170818 |