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 PDF

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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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CN
China
Prior art keywords
shape memory
memory alloy
alloy spring
fixedly connected
clutch plate
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Expired - Fee Related
Application number
CN201620898670.4U
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Chinese (zh)
Inventor
黄金
袁发鹏
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Chongqing University of Technology
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Chongqing University of Technology
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Priority to CN201620898670.4U priority Critical patent/CN205895973U/en
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Publication of CN205895973U publication Critical patent/CN205895973U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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

The cone friction type fan clutch that a kind of shape memory alloy spring drives
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.
CN201620898670.4U 2016-08-18 2016-08-18 Shape memory alloy spring driven circular cone friction formula fan clutch Expired - Fee Related CN205895973U (en)

Priority Applications (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

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

Publications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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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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