Agitator
Technical field
The present invention relates to a kind of agitator.
Background technology
Various agitators are arranged in the prior art, such as application number be: 200910064527.X, the applying date is: a kind of milk powder mixer of on 03 31st, 2009.The disclosed technical scheme of this patent 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 disclosed technical scheme of this patent 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 permanent magnet does not demagnetize, cost is low agitator.
A kind of agitator, comprise body, the lid made by diamagnetic material, described body below is provided with pedestal, be provided with drive unit on the described pedestal, be provided with rotor on the output shaft of described drive unit, be provided with permanent magnet on the described rotor, be movably set with the close magnet that driven by described permanent magnet on the described lid, be provided with heater element on the described body, be provided with screw thread on the described output shaft, described rotor is movably connected on the described output shaft by screw thread.
Be provided with the radiator shutter of the described permanent magnet of cooling described in the technical program on the rotor.The advantage that arranges like this is: accelerate the Air Flow in zone between described permanent magnet and the described heater element, guarantee that the temperature of described permanent magnet is in below the curie point.
Be provided with the lower position block that the described permanent magnet of restriction moves downward described in the technical program on the drive unit, be provided with the lower block that matches with described lower position block on the described rotor.
Be provided with the upper limit position block that the described permanent magnet of restriction moves upward described in the technical program on the output shaft, be provided with the upper block that matches with described upper limit position block on the described rotor.
Pedestal described in the technical program and described body are Split type structures.The advantage that arranges like this is: 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 that arranges like this is: be beneficial to the cleaning of described close magnet, described lid can also use as common pot cover.
Close magnet is permanent magnet described in the technical program.The advantage that arranges like this is: the suction between described permanent magnet and the described close magnet is maximum, i.e. the moment of torsion maximum that is subject to of described close magnet.
Permanent magnet described in the technical program is distributed on the described rotor in couples.Many during to described permanent magnet when arranging, need to arrange 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: owing to being provided with heater element on the body described in the present invention, be provided with screw thread on the output shaft of described drive unit, described output shaft has been threaded connection rotor, so in the time of in described heater element work, need to 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 the process of rotating, is arranged on the automatically cooling of described permanent magnet on the described rotor, guarantees that the temperature of 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.Because permanent magnet of the present invention need not to require curie point high, 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 the second 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 upper 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, below in conjunction with embodiment and accompanying drawing, the present invention is further elaborated.Should be appreciated that the described specific embodiment of this part only can in order to explain the present invention, be not intended to limit 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 Split type structure with described pedestal 3.The advantage that arranges like this is: 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 body 1 also can be arranged to integrative-structure with described pedestal 3 as required.
Such as Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, be provided with drive unit 4 on the described pedestal 3 in the agitator of the present invention, described drive unit 4 can be slowspeed machine, or the drive unit that is formed by motor and belt wheel, or the drive unit that is formed 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, be provided with screw thread on the described output shaft 41, described output shaft 41 has been threaded connection rotor 5, 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.Be provided with blade 51, lower block 52, upper block 53, the certain described permanent magnet 6 of 6 block permanent magnet 6(on the described rotor 5 any piece can be set 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, accelerate the Air Flow in zone between described permanent magnet 6 and the described heater element, guarantee that the temperature of described permanent magnet 6 is in it below curie point.Be provided with lower position block 42 on the described drive unit 4, be provided with upper limit position block 411 on the described output shaft 41, described lower position block 42 limits the stroke that described rotor 5 moves downward along screw thread with described lower block 52 mating reactions, and described upper limit position block 411 and described upper block 53 mating reactions limit the stroke that described rotor 5 moves under the screw thread.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 rotates at described projecting shaft with described close magnet 7.
Preferably, described close magnet 7 is permanent magnet, and the advantage that arranges like this is: the suction between described permanent magnet 6 and the described close magnet 7 is maximum, i.e. the moment of torsion maximum that is subject to of described close magnet 7.Many during to described permanent magnet 6 when arranging, need to arrange 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 be fixedly installed 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, plugged, heater element work, when user selection stirs button, described drive unit 4 begins to drive described output shaft 41 and rotates, described rotor 5 beginnings that are threaded connection on described output shaft 41 move upward along screw thread, 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, namely begin to stir, described rotor 5 continues motion, until described upper limit position block 411 stops the described upper block 53 that is arranged on the described rotor 5 to continue motion, described output shaft 41, 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 the electricity of described drive unit 4, described output shaft 41 stops operating, and described permanent magnet 6 is because inertia is rotated further, and namely there is relative motion in 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 gradually stop motion is namely 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.