Series excited motor for juicer

Abstract

The utility model discloses a series excited motor for a juice extractor, which relates to the field of small household appliances and comprises a motor structure, a cooling structure and a pump body structure. The motor structure comprises a motor stator, a motor rotor, a first driving shaft, a flywheel, a fixing frame and the like, coils are wound on the motor stator and the rotor, the rotor drives crushing fan blades of the juicer through the first driving shaft to crush and squeeze articles, meanwhile, the pump body structure is driven by the second driving shaft to circulate cooling liquid, and heat dissipation of the motor is achieved. The cooling structure comprises a liquid cooling shell, a liquid guide groove, a liquid guide pipe and other parts, cooling liquid circularly flows under the action of the pump body structure, the motor stator and the periphery of the motor stator are effectively cooled, the cooling effect is enhanced in cooperation with the flow guide fan blades, and the service life of the motor is prolonged. The series excited motor is simple in structure, high in heat dissipation efficiency, capable of effectively prolonging the service life of the series excited motor, and suitable for various juicing devices.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of small household appliances, concretely, relate to a juicer with series excited motor. BACKGROUND

[0002] With the rapid development of small household appliances, the juicer has become a widely used device in daily life, and the core component motor is mainly responsible for driving the broken fan blade to complete the crushing and juicing work of fruits and vegetables. The existing juicer adopts the traditional series excited motor, which is widely used due to its small size and high output power. In order to improve the work efficiency and operation experience, some equipment also increases the cooling device, such as air cooling structure or simple liquid cooling circulation system, to maintain the stability and durability of the motor operation.

[0003] However, the heat dissipation design of the existing juicer motor still has obvious defects. The air cooling mode is limited by space and airflow effect, and the heat dissipation efficiency is low, which is difficult to meet the demand of long-time high-load operation of the motor. The cooling liquid circulation efficiency of the traditional liquid cooling system is poor, and it is difficult to quickly take away the heat around the motor. Therefore, how to realize efficient heat dissipation on the motor has become a problem to be solved.

[0004] For the problems in the related art, no effective solution has been proposed so far. CONTENT OF THE UTILITY MODEL

[0005] In view of the problems in the related art, the utility model provides a juicer with series excited motor to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A juicer with series excited motor, comprising a motor structure, the motor structure comprising a motor stator, a motor rotor, a first drive shaft, a flywheel, a butt joint bolt, a fixed frame, a fixed plate, a flow guide fan blade, a second drive shaft, the motor stator is provided with the motor rotor, the motor stator and the motor rotor are all wound with coils, one end of the motor rotor is fixedly connected with the first drive shaft, the other end of the motor rotor is fixedly connected with the second drive shaft, the first drive shaft and the second drive shaft are rotatably connected with the fixed frame, the fixed frame is fixedly connected with the motor stator, the first drive shaft is fixedly connected with the flywheel, the flywheel is fixedly connected with the butt joint bolt, the fixed frame at the bottom of the motor stator is fixedly connected with the fixed plate, the fixed plate is connected with the pump body structure, the motor stator is fixedly connected with the cooling structure, and the cooling structure is connected with the flow guide fan blade.

[0008] Further, the cooling structure comprises a liquid cooling shell, a liquid inlet, a liquid outlet, a liquid guide pipe and a liquid guide groove, the liquid cooling shell is provided with the liquid inlet on one side, the liquid cooling shell is provided with the liquid outlet on the other side, the liquid inlet and the liquid outlet are communicated with the liquid guide pipe, and the liquid guide groove is arranged in the liquid cooling shell.

[0009] Further, the pump body structure comprises a pump shell, a liquid outlet pipe, a liquid inlet pipe, a butt joint plate, a rotating block, a sliding groove, a liquid guide scraper, a spring and a butt joint groove, the pump shell is communicated with the liquid outlet pipe on one side, the pump shell is communicated with the liquid inlet pipe on the other side, the pump shell is fixedly connected with the butt joint plate on both sides, the pump shell is a circular groove, the rotating block is eccentrically connected in the circular groove of the pump shell, two symmetrical sliding grooves are formed in the rotating block, the liquid guide scraper is limitingly and slidably connected in the sliding groove, the spring is connected in the sliding groove, the butt joint groove is formed in the center of the rotating block, the rotating shaft is fixedly connected to the bottom end of the butt joint groove of the rotating block, and the rotating shaft is fixedly connected with the flow guide fan blade.

[0010] The utility model discloses the beneficial effect is: through the circulation of cooling liquid combination flow guide fan blade's effect, realize the efficient cooling of motor, effectively reduce motor operating temperature, the synergies of cooling structure and pump body structure, make the motor still can keep good heat dissipation performance when high load work, significantly prolong the service life of motor, the first drive shaft and the second drive shaft of motor are used for driving juice crushing and cooling liquid circulation respectively, and the function is clear in division, guarantee the stability and high efficiency of equipment whole operation, and the design integrates motor, cooling device and pump body, reduces the overall volume of equipment, and has strong applicability and easy use simultaneously. ACCURACY OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, and obviously, the drawing in the following description is only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0012] Figure 1 It is a main body structure schematic diagram of a series excited motor for juicer according to an embodiment of the utility model;

[0013] Figure 2 It is a motor structure schematic diagram of a series excited motor for juicer according to an embodiment of the utility model;

[0014] Figure 3 It is a cooling structure schematic diagram of a series excited motor for juicer according to an embodiment of the utility model;

[0015] Figure 4 It is a liquid cooling shell half sectional view of a series excited motor for juicer according to an embodiment of the utility model;

[0016] Figure 5 It is a liquid guide groove liquid inlet guide view of a series excited motor for juicer according to an embodiment of the utility model;

[0017] Figure 6It is a liquid guide groove liquid outlet guide drawing of a series excited motor for a juicer according to an embodiment of the utility model.

[0018] Figure 7 It is a pump body structure schematic view of a series excited motor for a juicer according to an embodiment of the utility model.

[0019] Figure 8 It is a rotating block schematic view of a series excited motor for a juicer according to an embodiment of the utility model.

[0020] In the drawing,

[0021] 1, motor structure;101, motor stator;102, motor rotor;103, first drive shaft;104, flywheel;105, butt joint bolt;106, fixed frame;107, fixed plate;108, flow guide fan blade;109, second drive shaft;2, cooling structure;201, liquid cooling shell;202, liquid inlet;203, liquid outlet;204, liquid guide pipe;205, liquid guide groove;3, pump body structure;301, pump shell;302, liquid outlet pipe;303, liquid inlet pipe;304, butt joint plate;305, rotating block;306, sliding groove;307, liquid guide scraper;308, spring;309, butt joint groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] According to the embodiments of the utility model, a series excited motor for a juicer is provided.

[0024] Embodiment one;

[0025] As Figures 1-8As shown, the motor for the juicer according to the utility model embodiment, including motor structure 1, motor structure 1 includes motor stator 101, motor rotor 102, first drive shaft 103, flywheel 104, butt bolt 105, fixed frame 106, fixed plate 107, flow guide fan blade 108, second drive shaft 109, motor stator 101 is equipped with motor rotor 102, motor stator 101 with motor rotor 102 all windings are wound on, one end of motor rotor 102 is fixedly connected with first drive shaft 103, the other end of motor rotor 102 is fixedly connected with second drive shaft 109, first drive shaft 103 with second drive shaft 109 rotatably connected with fixed frame 106, fixed frame 106 fixedly connected motor stator 101, first drive shaft 103 is fixedly connected with flywheel 104, flywheel 104 is fixedly connected with butt bolt 105, the fixed plate 107 of fixed frame 106 of motor stator 101 bottom end is fixedly connected, fixed plate 107 is connected with pump body structure 3, motor stator 101 circumferential side is fixedly connected with cooling structure 2, cooling structure 2 is connected with flow guide fan blade 108, the first drive shaft 103 of motor structure 1 can butt joint flywheel 104 and butt bolt 105, butt bolt 105 is used to connect the crushing fan blade of juicer, drives the crushing fan blade to crush the article in juicer and extracts juice, flywheel 104 is generally counterweight wheel, can improve the rotational inertia of series excited motor, and simultaneously, the pump body structure 3 connected with second drive shaft 109, can drive circulation of cooling liquid in cooling structure 2, makes it improve the heat dissipation of motor outer surface.

[0026] The cooling structure 2 comprises a liquid cooling shell 201, a liquid inlet 202, a liquid outlet 203, a liquid guide pipe 204, a liquid guide groove 205, the liquid cooling shell 201 is provided with the liquid inlet 202 on one side, the liquid cooling shell 201 is provided with the liquid outlet 203 on the other side, the liquid inlet 202 and the liquid outlet 203 are communicated with the liquid guide pipe 204, the liquid cooling shell 201 is provided with the liquid guide groove 205, the pump body structure 3 comprises a pump shell 301, a liquid outlet pipe 302, a liquid inlet pipe 303, a butt joint plate 304, a rotating block 305, a sliding groove 306, a liquid guide scraper 307, a spring 308, a butt joint groove 309, one side of the pump shell 301 is communicated with the liquid outlet pipe 302, the other side of the pump shell 301 is communicated with the liquid inlet pipe 303, both sides of the pump shell 301 are fixedly connected with the butt joint plate 304, the inside of the pump shell 301 is a circular groove, the rotating block 305 is eccentrically connected in the circular groove of the pump shell 301, two symmetrical sliding grooves 306 are formed in the rotating block 305, the liquid guide scraper 307 is limitingly and slidably connected in the sliding groove 306, the spring 308 is connected in the sliding groove 306, the center of the rotating block 305 is provided with the butt joint groove 309, the bottom end of the butt joint groove 309 of the rotating block 305 is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with the guide fan blade 108, when the motor structure 1 of the juicer rotates normally, the second driving shaft 109 is fixed in the butt joint groove 309 of the rotating block 305, the rotating block 305 rotates in the circular groove of the pump shell 301, the liquid guide scraper 307 slides and contacts the groove wall of the circular groove of the pump shell 301 under the action of the spring 308, and two symmetrical liquid guide scrapers 307 and the groove wall and the circular groove form two active spaces which change constantly but have constant total area, for example, when one of the active spaces continuously reduces, the reduced space is communicated with the liquid outlet pipe 302, and the other active space continuously expands and is communicated with the liquid inlet pipe 303, so that the liquid outlet pipe 302 guides the cooling liquid outward, and the liquid inlet pipe 303 guides the cooling liquid inward, so that the cooling liquid can flow in the liquid guide pipe 204 and the liquid guide groove 205, the cooling liquid introduced into the liquid guide groove 205 can absorb heat and cool the surrounding of the liquid cooling shell 201, so as to cool the surrounding of the motor stator 101, and the guide fan blade 108 rotates under the rotation of the rotating block 305, so as to guide the flowing gas to the motor direction, thereby improving the heat conduction of the liquid cooling shell 201, and finally improving the service life of the series motor, the flow direction of the cooling liquid can refer to Figures 5-6 , after the cooling liquid enters the liquid inlet 202, it flows to the two liquid guide grooves 205 under the action of the pressure, then the cooling liquid in the liquid guide groove 205 converges at the liquid outlet 203, and the converged cooling liquid enters the liquid inlet pipe 303 through the liquid guide pipe 204 under the action of the pressure, so as to realize the circulation of the liquid and improve the cooling effect, and the pump shell 301 is fixed on the fixed frame 106 through the fixed connection of the butt joint plate 304 and the fixed plate 107.

[0027] In order to facilitate the understanding of the above technical solutions of the utility model, the working principle or operation mode of the utility model in the actual process is described in detail below.

[0028] According to the above technical solutions of the utility model, the first driving shaft 103 of the motor structure 1 can be connected to the flywheel 104 and the butt joint bolt 105, the butt joint bolt 105 is used for connecting the crushing fan blade of the juicer, the crushing fan blade is driven to crush and juice the articles in the juicer, the flywheel 104 is generally a counterweight wheel, the rotational inertia of the series excited motor can be improved, and the pump body structure 3 connected to the second driving shaft 109 can drive the cooling liquid in the cooling structure 2 to circulate, so that the heat dissipation of the outer surface of the motor is improved, when the motor structure 1 of the juicer rotates normally, the second driving shaft 109 is connected to the butt joint groove 309 of the fixed butt joint rotating block 305, the rotating block 305 rotates in the circular groove of the pump shell 301, and the liquid guide scraper 307 slides on the groove wall of the circular groove under the action of the spring 308, two symmetrical liquid guide scrapers 307 and the groove wall and the circular groove form two active spaces with changing areas but constant total areas, for example, when one of the active spaces continuously reduces, the reduced space is connected to the liquid outlet pipe 302, the other active space continuously expands, and is connected to the liquid inlet pipe 303, so that the liquid outlet pipe 302 guides the cooling liquid outward, the liquid inlet pipe 303 guides the cooling liquid inward, the cooling liquid can circulate in the liquid guide pipe 204 and the liquid guide groove 205, the cooling liquid introduced into the liquid guide groove 205 can absorb heat around the liquid cooling shell 201, so as to cool the motor stator 101, and the liquid guide fan blade 108 is driven to rotate while the rotating block 305 rotates, so as to guide the flowing gas to the motor, thereby improving the heat conduction of the liquid cooling shell 201, and finally the service life of the series excited motor can be improved.

[0029] The above merely describes the preferred embodiments of the utility model, and is not intended to limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A juicer motor using a series excited motor, characterized by, The application relates to a motor structure (1) which comprises a motor stator (101), a motor rotor (102), a first driving shaft (103), a flywheel (104), a butt joint bolt (105), a fixing frame (106), a fixing plate (107), a flow guide fan blade (108) and a second driving shaft (109), the motor stator (101) is internally provided with the motor rotor (102), coils are wound on the motor stator (101) and the motor rotor (102), one end of the motor rotor (102) is fixedly connected with the first driving shaft (103), the other end of the motor rotor (102) is fixedly connected with the second driving shaft (109), the first driving shaft (103) and the second driving shaft (109) are rotationally connected with the fixing frame (106), the fixing frame (106) is fixedly connected with the motor stator (101), the first driving shaft (103) is fixedly connected with the flywheel (104), the flywheel (104) is fixedly connected with the butt joint bolt (105), the fixing frame (106) at the bottom end of the motor stator (101) is fixedly connected with the fixing plate (107), the fixing plate (107) is connected with a pump body structure (3), the motor stator (101) is fixedly connected with a cooling structure (2) on the periphery, and the cooling structure (2) is connected with the flow guide fan blade (108).

2. A dynamo for a juicer according to claim 1, characterised in that, The cooling structure (2) comprises a liquid cooling shell (201), a liquid inlet (202), a liquid outlet (203), a liquid guide pipe (204) and a liquid guide groove (205), one side of the liquid cooling shell (201) is provided with the liquid inlet (202), and the other side of the liquid cooling shell (201) is provided with the liquid outlet (203).

3. A series excited motor for a juicer according to claim 2, characterised in that, The liquid inlet (202) and the liquid outlet (203) are in communication with the liquid guide pipe (204), and the liquid cooling shell (201) is internally provided with the liquid guide groove (205).

4. A dynamo for a juicer according to claim 3, characterised in that, The pump body structure (3) comprises a pump shell (301), a liquid outlet pipe (302), a liquid inlet pipe (303), a butt joint plate (304), a rotating block (305), a sliding groove (306), a liquid guide scraper (307), a spring (308) and a butt joint groove (309), one side of the pump shell (301) is in communication with the liquid outlet pipe (302), and the other side of the pump shell (301) is in communication with the liquid inlet pipe (303).

5. A dynamo for a juicer according to claim 4, characterised in that, Both sides of the pump shell (301) are fixedly connected with the butt joint plate (304), the pump shell (301) is internally provided with a circular groove, the rotating block (305) is eccentrically rotationally connected in the circular groove of the pump shell (301), and two symmetrical sliding grooves (306) are formed in the rotating block (305).

6. A dynamo for a juicer according to claim 5, characterised in that, The liquid guide scraper (307) is limitingly and slidably connected in the sliding groove (306), the spring (308) is connected in the sliding groove (306), a butt joint groove (309) is formed in the center of the rotating block (305), a rotating shaft is fixedly connected at the bottom end of the butt joint groove (309) of the rotating block (305), and the rotating shaft is fixedly connected with the flow guide fan blade (108).

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