Agitator
Technical field
The present invention relates to a kind of agitator.
Background technology
Various agitators are arranged in the prior art, as application number be: 200910064527.X, the applying date is: a kind of milk powder mixer of on 03 31st, 2009.The technical scheme of this patent disclosure is: a kind of milk powder mixer comprises cup, bowl cover, be installed in the motor in the bowl cover, and the agitator that is installed in the bowl cover lower end, be provided with the transmission teeter chamber below the motor room in bowl cover, this transmission teeter chamber and motor room isolate fully, and transmission teeter chamber and motor room are in transmission connection by the magnetic transmission mechanism.The deficiency that the technical scheme of this patent disclosure exists is: the heater of setting can make the permanent expendable demagnetization of magnet when work, if use the higher magnet of curie point, cost has just greatly increased.
So being badly in need of a kind of magnetic transmission mechanism on the market can be near heater and the low agitator of cost.
Summary of the invention
According to the deficiency that prior art exists, the purpose of this invention is to provide a kind of magnetic transmission mechanism can be near heater and the low agitator of cost.
A kind of agitator, comprise body, the lid made by diamagnetic material, described body below is provided with pedestal, described pedestal is provided with drive unit, and the output shaft of described drive unit is provided with rotor, and described rotor is provided with permanent magnet, be movably set with the close magnet that driven by described permanent magnet on the described lid, described body is provided with heater element, and described output shaft is provided with screw thread, and described rotor is movably connected on the described output shaft by screw thread.
Rotor described in the technical program is provided with the radiator shutter of the described permanent magnet of cooling.The advantage of She Zhiing is like this: the air that quickens zone between described permanent magnet and the described heater element flows, and guarantees that the temperature of described permanent magnet is in below the curie point.
Drive unit described in the technical program is provided with the lower position block that the described permanent magnet of restriction moves downward, and described rotor is provided with the following block that matches with described lower position block.
Output shaft described in the technical program is provided with the upper limit position block that the described permanent magnet of restriction moves upward, and described rotor is provided with the last block that matches with described upper limit position block.
Pedestal described in the technical program and described body are the branch body structures.The advantage of She Zhiing is like this: be beneficial to the cleaning of described body, described body can also use as the ordinary pan body.
Close magnet is removably disposed on the described lid described in the technical program.The advantage of She Zhiing is like this: be beneficial to the cleaning of described close magnet, described lid can also use as common pot cover.
Close magnet is a permanent magnet described in the technical program.The advantage of She Zhiing is like this: the suction maximum between described permanent magnet and the described close magnet, the moment of torsion maximum that promptly described close magnet is subjected to.
Permanent magnet described in the technical program is distributed on the described rotor in couples.Many during when being provided with to described permanent magnet, need be provided with manyly to described permanent magnet, the magnetic line of force that opposite, the adjacent two described permanent magnets of the magnetic line of force that this moment, adjacent two blocks of described permanent magnets sent send is opposite.
The rotating speed of output shaft described in the technical program is 200 ~ 600n/min.
The invention has the beneficial effects as follows: because body is provided with heater element described in the present invention, the output shaft of described drive unit is provided with screw thread, described output shaft is by the rotor that has been threaded, so in the time of in described heater element work, need stirring, described rotor moves upward along screw thread, move upward to certain height, the described permanent magnet on the described rotor drives described close magnet movement, stirs beginning; Because described rotor in rotating process, is arranged on the described permanent magnet cooling automatically on the described rotor, the temperature that guarantees itself is below curie point.When described output shaft stopped operating, described rotor moved downward along screw thread, away from described close magnet, the stop motion gradually of described close magnet, stirring stops, described body can continue the heating and unaffected.In brief, the present invention that is arranged so that of screw thread has no requirement to the position relation of heater element and permanent magnet.Because permanent magnet of the present invention need not to require the curie point height, so mixer cost of the present invention greatly reduces.
Other beneficial effect among the present invention also will be explained in specific embodiment.
Description of drawings:
Fig. 1 is the structural representation of agitator;
Fig. 2 is the decomposing state figure of Fig. 1;
Fig. 3 is that the A-A of Fig. 1 is to cutaway view;
Fig. 4 is second kind of state diagram of Fig. 3;
Fig. 5 is the structural representation of drive unit and rotor among Fig. 3;
Fig. 6 is the structural representation of drive unit and rotor among Fig. 4;
Fig. 7 is the structural representation of rotor;
Fig. 8 is the structural representation of driver.
The marking explanation of each several part structure in the accompanying drawing:
Block, the last block of 53-, 6-permanent magnet, 7-parent magnet under 1-body, 2-lid, 3-pedestal, 4-drive unit, 41-output shaft, 411-upper limit position block, 42-lower position block, 5-rotor, 51-blade, the 52-.
The specific embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer,, the present invention is further elaborated below in conjunction with embodiment and accompanying drawing.Should be appreciated that the described specific embodiment of this part only can be in order to explaining the present invention, and be not used in qualification the present invention.
Specific embodiment
As shown in Figure 1, agitator among the present invention comprises body 1, lid 2 and pedestal 3, be provided with heater element in the described body 1, described body 1 is diamagnetic body (non-conductor of magnetic), as: the container that stainless steel, glass, pottery or resistant to elevated temperatures plastic or other material make.Described lid 2 covers on described body 1, and described pedestal 3 is arranged on the below of described body 1.
As shown in Figure 2, the described body in the agitator of the present invention 1 is the branch body structure with described pedestal 3.The advantage of She Zhiing is like this: design more flexibly, be beneficial to the cleaning of described body 1, described body 1 can also be as the ordinary pan body.
Certainly described as required body 1 also can be arranged to integrative-structure with described pedestal 3.
As Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, described pedestal 3 in the agitator of the present invention is provided with drive unit 4, described drive unit 4 can be a slowspeed machine, or the drive unit of forming by motor and belt wheel, or the drive unit of forming by motor and gear, the rotating speed of the output shaft 41 of described drive unit 4 is 200 ~ 600n/min.As shown in Figure 8, described output shaft 41 is provided with screw thread, and described output shaft 41 is by the rotor 5 that has been threaded, and described rotor 5 can move up and down along screw thread on described output shaft 41.Turning to when needing to guarantee that described output shaft 41 rotates of the direction of screw thread setting and described output shaft 41, described rotor 5 moves upward; When described output shaft 41 stopped operating, described rotor 5 moved downward.Described rotor 5 is provided with blade 51, following block 52, upward the certain described permanent magnet 6 of block 53,6 block permanent magnet 6(can be provided with any piece as required), the below of every block of described permanent magnet 6 all is provided with the described blade 51 of a slice, described blade 51 is given described permanent magnet 6 heat radiations under the drive of described rotor 5, the air that quickens zone between described permanent magnet 6 and the described heater element flows, and guarantees that the temperature of described permanent magnet 6 is in it below curie point.Described drive unit 4 is provided with lower position block 42, described output shaft 41 is provided with upper limit position block 411, described lower position block 42 limits the stroke that described rotor 5 moves downward along screw thread with described block 52 mating reactions down, and described upper limit position block 411 is gone up block 53 mating reactions and limited the stroke that described rotor 5 moves on down along screw thread with described.Be socketed with the close magnet 7 that matches with described permanent magnet 6 on the projecting shaft of described lid 2, the number of described close magnet 7 is the same with the number of described permanent magnet 6, and described permanent magnet 6 is being with described close magnet 7 to rotate on described projecting shaft.
Preferably, described close magnet 7 is a permanent magnet, and the advantage of She Zhiing is like this: the suction maximum between described permanent magnet 6 and the described close magnet 7, the moment of torsion maximum that promptly described close magnet 7 is subjected to.Many during when being provided with to described permanent magnet 6, need be provided with manyly to described permanent magnet, the magnetic line of force that this moment, adjacent two described permanent magnets sent is opposite.
Preferably, described close magnet 7 is separable with described lid 2, and when not needing to stir, described close magnet 7 can be from removal on the described lid 2, and this moment, described lid 2 can be used as a common pot cover use.
Preferably, can fixedly install a fan on the described output shaft 41, described fan is arranged on the below of described rotor 5.
The course of work of agitator of the present invention is as follows:
As shown in Figure 3, the user is covered described lid 2 on described body 1, connect power supply, heater element work, when the user selects to stir button, described drive unit 4 begins to drive described output shaft 41 and rotates, move upward along screw thread by described rotor 5 beginnings that are threaded on the described output shaft 41, when being arranged on described permanent magnet 6 on the described rotor 5 and moving to certain height, described permanent magnet 6 drives described close magnet 7 motions, promptly begin to stir, described rotor 5 continues motion, stop the described block 53 of going up that is arranged on the described rotor 5 to continue motion, described output shaft 41 until described upper limit position block 411, described rotor 5(is described permanent magnet 6) reach identical with the rotating speed of described close magnet 7.
As shown in Figure 4, when mixing time to or the user by during the button that stops to stir, control circuit disconnects described drive unit 4, described output shaft 41 stops operating, and described permanent magnet 6 is because inertia is rotated further, and there is relative motion in promptly described permanent magnet 6 with described output shaft 41, so described permanent magnet 6 moves to the below of described output shaft 41 along screw thread, described close magnet 7 is under the driving that does not have described permanent magnet 6, and stop motion is gradually promptly stirred and stopped.
Preferably, after described output shaft 41 stops operating, continue counter taking two turns, described permanent magnet 6 moves to the below of described output shaft 41 better along screw thread.