TWI688712B - Flat DC brushless motor pump - Google Patents

Abstract

A flattened DC brushless motor pump, by attaching the first part of the silicon steel sheet group to the first surface of the substrate, and the second part of the silicon steel sheet group is wound with a coil group, so that the coil group The height of the fan blade of the water blade does not overlap, and the length of the shaft tube of the water blade can be reduced, so that the height of the base can be reduced to achieve the advantage of flattening. By this, the invention can be hidden in the working machine and reduced Use space.

Description

Flat DC brushless motor pump

The invention relates to a motor pump, in particular to a flat DC brushless motor pump.

Please refer to Fig. 1, Fig. 2 and Fig. 3, which are an exploded perspective view of the first conventional motor pump, an exploded perspective view in another direction, and a side sectional view, the first conventional motor pump 200 It has a body 210 with a certain sub-chamber 220, a vortex chamber 230 and a shaft chamber 240, the vortex chamber 230 communicates with the shaft chamber 240, and the shaft chamber 240 forms a shaft housing 250 in the stator chamber 220 The shaft housing 250 is equipped with a silicon steel sheet group 260. The silicon steel sheet group 260 is sleeved with two insulating sheets 270. Between these insulating sheets 270, two coil assemblies 271 are wound. Furthermore, the vortex chamber 230 and the The shaft chamber 240 is provided with a water blade 280, whereby the rotation of the water blade 280 is used to drive the motor pump 200 to circulate water. However, the blade 281 of the water blade 280 and the coil sets 271 are highly repeated, so The length of the shaft tube 282 of the water blade 280 is lengthened, so that the body 210 cannot be thinned and takes up space.

Please refer to FIG. 4 and FIG. 5 again, which is a perspective view and a cross-sectional view of the second conventional motor pump. The second conventional motor pump 300 has a cylindrical silicon steel sheet group 310, and a plurality of coils The group 320 is placed in the cylindrical silicon steel sheet group 310, and a water blade 330 is provided in In the middle of the cylindrical silicon steel sheet group 310, through the rotation of the water blade 330, the motor pump 300 is driven to circulate water, however, the blade 331 of the water blade 330 and the coil group 320 are highly repeated, thus lengthening the The length of the shaft tube 332 of the water blade 330 prevents the motor pump from being thin and takes up space.

Therefore, after observing the above-mentioned shortcomings, the inventor of the present case believes that it is necessary to develop a motor pump with a simple structure and a flat size, and the invention has been produced.

The purpose of the present invention is to provide a flat DC brushless motor pump, which has the advantage of flattening, so that the present invention can be hidden in a working machine and can reduce space.

In order to achieve the above object, the flat brushless DC motor pump provided by the present invention includes: a base, which has a certain sub-chamber and a vortex chamber, the base is located in the stator chamber and the vortex chamber A substrate is provided between the substrate and the stator chamber and the vortex chamber respectively have a first surface and a second surface, the first surface of the substrate is convexly provided with a hollow shaft shell, the shaft shell is A shaft chamber is formed on the second surface of the substrate, the shaft chamber is in communication with the vortex chamber; and a silicon steel sheet group is provided in the stator chamber, the silicon steel sheet group has a first part and a second part , The first part of the silicon steel sheet group is provided with a clamping groove corresponding to the shaft shell, so that the silicon steel sheet group is fixed to the shaft shell, and the first part of the silicon steel sheet group has a bonding surface bonded to the substrate The first side, and the second part is wound with a coil set; and a water leaf, which The shaft has a shaft tube and a blade connected to each other, the shaft tube is arranged in the shaft chamber, and the blade is arranged in the vortex chamber.

The flat DC brushless motor pump provided by the present invention, by attaching the first part of the silicon steel sheet group to the first surface of the substrate, and the second part of the silicon steel sheet group is wound with a coil group, so that The height of the coil set and the fan blades of the water blade will not overlap, so the length of the shaft tube of the water blade can be reduced, so that the height of the base can be reduced, and the advantage of flattening can be achieved. Reduce the space used in the machine.

〔Knowledge〕

200: The first conventional motor pump

210: Ontology

220: stator room

230: vortex chamber

240: shaft room

250: Shaft housing

260: Silicon steel sheet group

270: Insulation sheet

271: coil group

280: water leaf

281: Blade

282: Shaft tube

300: The second conventional motor pump

310: cylindrical silicon steel sheet group

320: coil group

330: water leaves

331: Blade

332: Shaft tube

〔this invention〕

100: Flat DC brushless motor pump

10: Dock

11: stator room

12: vortex chamber

13: substrate

131: The first side

132: Second side

14: Shaft housing

15: Shaft room

16: Cover

17: Cover

18: connector

20: Silicon steel sheet group

201: The first silicon steel sheet group

202: Second silicon steel sheet group

21: Part One

211: pole boot segment

212: fitting surface

22: Part Two

221: Middle section

222: Extension

23: Card slot

24: coil group

241: first coil group

242: second coil group

243: third coil group

25: Insulation sheet

30: water leaves

31: shaft tube

32: Fan blade

Figure 1 is an exploded perspective view of the first conventional motor pump.

Figure 2 is an exploded perspective view of the first conventional motor pump in another direction.

Figure 3 is a cross-sectional view of the first conventional motor pump.

Figure 4 is a perspective view of the second conventional motor pump.

Figure 5 is a sectional view of the second conventional motor pump.

Fig. 6 is an exploded perspective view of the first embodiment of the present invention.

Fig. 7 is an exploded perspective view of another direction of the first embodiment of the present invention.

Fig. 8 is a cross-sectional view of the first embodiment of the present invention.

Fig. 9 is a side sectional view of the first embodiment of the present invention.

Fig. 10 is a front view of a silicon steel sheet assembly according to a second embodiment of the invention.

Fig. 11 is a side sectional view of a second embodiment of the invention.

FIG. 12 is a front view of a silicon steel sheet assembly according to a third embodiment of the invention.

Fig. 13 is a front view of a silicon steel sheet assembly according to a fourth embodiment of the invention.

Please refer to FIG. 6 and FIG. 7 which are a perspective exploded view of the first embodiment of the present invention and a perspective exploded view in another direction, which discloses a flattened brushless DC motor pump 100, which is Contains:

A base 10 having a certain sub-chamber 11 and a vortex chamber 12, the base 10 is provided with a substrate 13 between the stator chamber 11 and the vortex chamber 12, the substrate 13 corresponding to the stator chamber 11 and the The vortex chamber 12 has a first surface 131 and a second surface 132 opposite to each other. The first surface 131 of the base plate 12 is convexly provided with a hollow shaft shell 14 which is attached to the second surface of the base plate 12 132 forms a shaft chamber 15 which communicates with the vortex chamber 12. In addition, the base 10 is provided with a cover 16 and a cover plate 17. The cover 16 is provided on the vortex chamber 12. The cover plate 17 covers the stator chamber 11, and the base 10 is connected with a connector 18.

A silicon steel sheet group 20, which is disposed in the stator chamber 11, the silicon steel sheet group 20 has a first portion 21 and a second portion 22, and the second portion 22 of the silicon steel sheet group 20 has an intermediate section 221 The two sides of the middle section 221 are respectively connected to an extension section 222, the first portion 21 is provided with a pole shoe section 211 connected to the extension section 222, the pole shoe section 211 is corresponding to the shaft shell 14 is provided with a card The groove 23 allows the silicon steel sheet group 20 to be fixed to the shaft shell 14, the pole shoe segments 211 have a bonding surface 212 bonded to the first surface 131 of the base plate 13, and the middle segment 221 is wound There is a coil group 24, and an insulating sheet 25 is provided on both sides of the coil group 24, respectively.

A water blade 30 has a shaft tube 31 and a fan blade 32 connected to each other. The shaft tube 31 is disposed in the shaft chamber 15 and the fan blade 32 is disposed in the vortex chamber 12.

In order to further understand the structural features of the present invention, the use of technical means and the expected effect, the manner of use of the present invention is described here. It is believed that this can provide a more in-depth and specific understanding of the present invention, as follows:

Please refer to FIG. 8 and FIG. 9 again for the cross-sectional view and side cross-sectional view of the first embodiment of the present invention. First, the silicon steel sheet group 20 is set in the stator chamber 11, and the silicon steel sheet group 20 is attached The joint surface 212 is attached to the first surface 131 of the substrate 13, the shaft tube 31 of the water blade 30 is provided in the shaft chamber 15, the fan blade 32 of the water blade 30 is placed in the vortex chamber 12, and then the The cover body 16 covers the vortex chamber 12 of the base 10, whereby the coil group 24 is wound around the second portion 22 of the silicon steel sheet group 20, so that the coil group 24 and the fan blade of the water blade 30 The height of 32 does not overlap, and the length of the shaft tube 31 of the water blade 30 can be reduced, and the connecting head 18 and the second portion 22 of the silicon steel sheet group 20 are respectively provided on both sides of the base 10 and thus do not interfere with each other. The interference allows the height of the base 10 to be lowered to achieve the advantage of flattening. Therefore, the present invention can be hidden in the working machine and reduce the use space.

Please refer to FIG. 10 and FIG. 11 again, which is a front view of the silicon steel sheet assembly of the second embodiment of the present invention. The second embodiment of the present invention differs from the foregoing first embodiment in that the coil assembly 24 A first coil group 241 and a second coil group 242 are connected to each other. The first coil group 241 and the second coil group 242 are wound around the extensions 222 respectively.

Please refer to FIG. 12 again, which is a front view and a side cross-sectional view of a silicon steel sheet assembly according to a third embodiment of the present invention. The third embodiment of the present invention differs from the foregoing first embodiment The reason is that the silicon steel sheet group 20 is connected by a symmetrical first silicon steel sheet group 201 and a second silicon steel sheet group 202, the first silicon steel sheet group 201 and the second silicon steel sheet group 202 are L-shaped In which, the first silicon steel sheet group 201 is wound with a third coil group 243.

Please refer to FIG. 13 again, which is a front view of the silicon steel sheet group of the fourth embodiment of the present invention. The fourth embodiment of the present invention differs from the foregoing first embodiment in that the silicon steel sheet group is C-shaped Silicon steel sheet.

Hereby, the characteristics of the present invention and the achievable expected effects are stated as follows:

The flat DC brushless motor pump 100 provided by the present invention is attached to the first surface 131 of the substrate 13 through the first part 21 of the silicon steel sheet group 20, and the second part 22 of the silicon steel sheet group 20 is The coil group 24 is wound so that the height of the coil group 24 and the fan blade 32 of the water blade 30 does not overlap, and the length of the shaft tube 31 of the water blade 30 can be reduced, so that the height of the base 10 can be reduced to reach The advantages of flattening, so that the invention can be hidden in the working machine, can reduce the space.

In summary, the present invention has its excellent progress and practicality in similar products. At the same time, it has searched the technical information about this kind of structure at home and abroad, and the same structure has not been found in the literature. Therefore, The present invention already possesses the essentials of the invention patent, and the application is filed according to law.

However, the above is only one of the preferred and feasible embodiments of the present invention. Therefore, any equivalent structural changes that apply to the description of the present invention and the scope of patent application should be included in the patent scope of the present invention.

10‧‧‧Dock

11‧‧‧ Stator room

12‧‧‧Vortex chamber

13‧‧‧ substrate

131‧‧‧ first side

132‧‧‧Second side

14‧‧‧Shaft shell

15‧‧‧Shaft room

16‧‧‧cover

17‧‧‧Cover

18‧‧‧Connector

20‧‧‧Silicon steel sheet set

212‧‧‧Fit surface

24‧‧‧coil set

30‧‧‧leaf

31‧‧‧Shaft tube

32‧‧‧fan blade

Claims (10)

A flat DC brushless motor pump, which includes: a base, which has a certain sub-chamber and a vortex chamber, the base is provided with a substrate between the stator chamber and the vortex chamber, the substrate Corresponding to the stator chamber and the vortex chamber, they respectively have a first surface and a second surface opposite to each other. The first surface of the base plate is convexly provided with a hollow shaft shell, and the shaft shell forms a shaft on the second surface of the base plate Chamber, the shaft chamber is in communication with the vortex chamber; a silicon steel sheet group is located in the stator chamber, the silicon steel sheet group has a first part and a second part, the first part of the silicon steel sheet group A clamping groove is provided corresponding to the shaft shell, so that the silicon steel sheet group is fixed to the shaft shell, and the first part of the silicon steel sheet group has a bonding surface which is bonded to the first surface of the substrate, and the second A coil group is wound around the system; a water blade, which has a shaft tube and a blade connected to each other, the shaft tube is arranged in the shaft chamber, the fan blade is arranged in the vortex chamber, and makes the coil group and The height of the fan blades of the water blade does not overlap, and the length of the shaft tube of the water blade can be reduced. According to the flattened brushless DC motor pump described in item 1 of the patent application scope, the silicon steel sheet group is a C-type silicon steel sheet. According to the flattened brushless DC motor pump described in item 1 of the patent application scope, the silicon steel sheet group is a U-shaped silicon steel sheet. According to the flattened brushless DC motor pump described in item 3 of the patent application scope, wherein the second part of the silicon steel sheet set has an intermediate section, and an extension section is connected to both sides of the intermediate section One part is provided with a pole shoe section connected with the extension section. According to the flattened brushless DC motor pump described in item 3 of the patent application scope, wherein the pole shoe segments are provided with the clamping grooves corresponding to the shaft shell, and the pole shoe segments are provided with the fitting surface On the first surface of the substrate. According to the flattened brushless DC motor pump described in item 4 of the patent application scope, the coil assembly is wound around the middle section of the silicon steel sheet assembly. According to the flattened DC brushless motor pump described in item 4 of the patent application scope, wherein the coil group is interconnected by a first coil group and a second coil group, the first coil group and the second coil Groups are wrapped around these extensions respectively. According to the flattened brushless DC motor pump described in item 1 of the patent application scope, wherein the silicon steel sheet group is connected by a symmetrical first silicon steel sheet group and a second silicon steel group, the first silicon steel sheet The group and the second silicon steel sheet group are L-shaped. According to the flattened brushless DC motor pump described in item 8 of the patent application scope, the first silicon steel sheet group is wound with a third coil group. According to the flattened brushless DC motor pump described in item 1 of the patent application scope, wherein the base is connected with a connector, the connector and the second part of the silicon steel sheet set are respectively provided on the base On both sides.

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