CN218678643U - Motor and washing equipment - Google Patents

Abstract

The utility model particularly discloses a motor and washing equipment, the motor comprises a stator component, a rear end cover and a driver, the rear end cover is fixed at one end of the stator component, the rear end cover is provided with a waterproof board, and the waterproof board extends towards the direction deviating from the stator component; the driver includes shell and circuit board, and the shell is connected in one side that the rear end cap deviates from stator module, and the shell forms waterproof construction with the waterproof board cooperation, and the shell is equipped with the opening towards one side of rear end cap, and the circuit board passes through the opening to be installed in the shell, according to the utility model discloses a motor, waterproof construction can realize the waterproof of driver in two directions, reduce the risk of intaking of driver, make the circuit board be difficult to meet the water.

Description

Motor and washing equipment

Technical Field

The utility model relates to the technical field of motors, in particular to motor and washing equipment.

Background

Some motors are installed in the washing machine to enable the washing machine to perform a washing work. However, the motor is installed in the washing equipment, the motor driver has water inlet risk, a circuit board of the driver is easy to meet water, and the circuit board after meeting the water can be damaged, so that the motor cannot work normally.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a motor can reduce the driver risk of intaking, makes the circuit board be difficult to meet the water.

The utility model discloses still provide a washing equipment who has above-mentioned motor.

The motor according to the embodiment of the first aspect of the present invention comprises a stator assembly, a rear end cover and a driver, wherein the rear end cover is fixed at one end of the stator assembly, and the rear end cover is provided with a waterproof plate extending in a direction away from the stator assembly; the driver includes shell and circuit board, the shell connect in the rear end cap deviates from one side of stator module, the shell with the waterproof board cooperation forms waterproof construction, the shell orientation one side of rear end cap is equipped with the opening, the circuit board pass through the opening install in the shell.

According to the utility model discloses motor has following beneficial effect at least: because the shell and the waterproof board are matched to form a waterproof structure, one side of the shell facing the rear end cover is provided with an opening, and the circuit board is arranged in the shell through the opening. Therefore, the waterproof structure can realize the waterproofing of the driver in two directions, reduce the water inlet risk of the driver and ensure that the circuit board is not easy to meet water.

According to the utility model discloses an embodiment, the waterproof board is kept away from the one end of rear end cap is equipped with one in location fit's reference column and the locating hole, the shell is equipped with another.

According to the utility model discloses an embodiment, the rear end cap still is equipped with the fixed column, the fixed column orientation the driver extends, the shell can dismantle connect in the fixed column.

According to the utility model discloses an embodiment, the fixed column be equipped with first connecting hole and set firmly in inserts in the first connecting hole, the shell is equipped with the second connecting hole, the motor still includes first connecting piece, first connecting piece is worn to locate the second connecting hole with first connecting hole, and with the inserts is connected, in order to incite somebody to action the shell is fixed in the rear end cap.

According to the utility model discloses an embodiment, the rear end cap is equipped with the installation foot, the fixed column includes first cylinder, first cylinder with the installation foot with the waterproof board is connected.

According to the utility model discloses an embodiment, the installation foot is equipped with two at least, first cylinder is equipped with two, two first cylinder is connected respectively in adjacent two the installation foot, the waterproof board is connected in two between the first cylinder.

According to the utility model discloses an embodiment, the fixed column still includes the second cylinder, the second cylinder with first cylinder is followed the circumference interval distribution of rear end cap, just the second cylinder with the waterproof board interval sets up.

According to the utility model discloses an embodiment, the rear end cap still is equipped with first strengthening rib, first strengthening rib with the installation foot is connected.

According to the utility model discloses an embodiment, the rear end cap still is equipped with the second strengthening rib, the second strengthening rib with first cylinder is connected, and with first strengthening rib interval sets up.

According to the utility model discloses an embodiment, the rear end cap still is equipped with the third strengthening rib, the third strengthening rib connect in first strengthening rib with between the second strengthening rib.

According to the utility model discloses an embodiment, the installation foot connect in the one end of rear end cap is equipped with the inclined plane, the inclined plane orientation the other end slope setting of installation foot.

According to the utility model discloses an embodiment, the circuit board is equipped with electric capacity, electric capacity is located the circuit board orientation the side of rear end cap.

According to the utility model discloses an embodiment, the rear end cap is equipped with the fixed part, the fixed part is equipped with first fixed orifices, stator module is equipped with the second fixed orifices, the motor still includes the second connecting piece, the second connecting piece is worn to locate first fixed orifices with the second fixed orifices, with will the rear end cap is fixed in stator module.

According to the utility model discloses an embodiment, the rear end cap is equipped with the fourth strengthening rib, the fourth strengthening rib with the fixed part is connected.

According to the utility model discloses an embodiment, the fixed part is equipped with the boss, stator module is equipped with the bellying, the boss cooperate in the bellying, in order to restrict the rear end cap for stator module rotates.

According to the utility model discloses an embodiment, the rear end cap is equipped with and is used for holding stator module hold the chamber, the rear end cap is in hold and be equipped with the constant head tank in the chamber, the motor is still including supporting the lid, the constant head tank be used for with it extremely to support the lid location the rear end cap.

According to the utility model discloses washing equipment of second aspect embodiment, it includes the utility model discloses the motor of first aspect embodiment.

According to the utility model discloses washing equipment has following beneficial effect at least: because the motor waterproof performance in the washing equipment is good, the risk of intaking of driver is low, and the circuit board is difficult to meet water, so the washing equipment working property is better, is difficult for breaking down.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention will be further described with reference to the following drawings and examples, in which:

fig. 1 is a schematic view of an electric machine according to an embodiment of the present invention;

fig. 2 is a schematic view of another angle of the motor according to an embodiment of the present invention;

fig. 3 is an exploded view of an electric motor according to an embodiment of the present invention;

fig. 4 is a schematic view of another angle of the motor according to an embodiment of the present invention;

fig. 5 is a schematic view of a rear end cap of an electric machine according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a rear end cap of an electric machine according to an embodiment of the present invention;

fig. 7 is a schematic view of another angle of the rear end cap of the motor according to an embodiment of the present invention.

Reference numerals are as follows:

a motor 1000;

a stator assembly 100; a boss portion 110;

a rear end cap 200; a waterproof sheet 210; positioning posts 211; a first cylinder 220; a first connection hole 221; an insert 222; a thimble hole 223; a second cylinder 230; mounting feet 240; an inclined surface 241; the first reinforcing beads 250; second reinforcing beads 260; third reinforcing beads 270; a fixing portion 280; a first fixing hole 281; a boss 282; the fourth reinforcing bead 290; a housing chamber 201; a positioning groove 202; a mounting ear 203;

a driver 300; a housing 310; an opening 311; a second connection hole 312; a circuit board 320; a capacitor 321;

a first connecting member 400;

a second connector 500;

a support cover 600;

a front end cap 700;

the rotor assembly 800.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to, for example, the upper, lower, inner, outer, etc., is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Some motors are installed in the washing apparatus to enable the washing apparatus to perform washing work, such as driving a drum of the washing apparatus to rotate. But the cleaning equipment during operation need use water, and the motor is installed in the cleaning equipment, and motor drive has into water risk, makes the circuit board of driver meet water easily, and the circuit board after meeting water can damage, leads to the unable normal work of motor.

To this end, an embodiment of the first aspect of the present invention proposes an electric machine 1000, specifically illustrated in fig. 1 to 7 of the drawings of the specification.

Referring to fig. 1, an embodiment of the present invention relates to a motor 1000 including a stator assembly 100, a rear cover 200, a driver 300, a front cover 700, and a rotor assembly 800. Rear end cover 200 is fixed to one end of stator assembly 100, and front end cover 700 is fixed to the other end of stator assembly 100. Note that the rear end cover 200 and the front end cover 700 are made of Bulk Molding Compound (BMC). It is further noted that rotor assembly 800 is partially disposed within stator assembly 100 and is rotatably coupled to back end cap 200 and front end cap 700. With continued reference to fig. 1, it is noted that the back end cap 200 is provided with a waterproof sheet 210, and the waterproof sheet 210 extends in a direction away from the stator assembly 100. The driver 300 includes a housing 310 and a circuit board 320, the housing 310 is connected to a side of the rear end cap 200 facing away from the stator assembly 100, and the housing 310 and the waterproof plate 210 cooperate to form a waterproof structure. In one embodiment, the housing 310 is coupled to the flashing 210. It should be noted that an opening 311 is formed on a side of the housing 310 facing the rear cover 200, and the circuit board 320 is mounted in the housing 310 through the opening 311. It can be understood that, with the above arrangement, the waterproof structure formed by the casing 310 and the circuit board 320 can prevent the driver 300 from being waterproof from two directions, so as to reduce the risk of water entering the driver 300 and make the circuit board 320 not easily meet water.

Referring to fig. 2, it should be noted that the motor 1000 is generally disposed at the bottom of the washing apparatus, and water may drip from above the motor 1000 to the motor 1000, so in practical use, the waterproof plate 210 is disposed upward to block water and prevent water from directly dripping to the circuit board 320. Meanwhile, the water blocked by the waterproof board 210 may come to the matching position of the waterproof board 210 and the shell 310 and flow down along the outer side wall of the shell 310. In this process, the circuit board 320 is always isolated from water under the protection of the waterproof board 210 and the housing 310. In summary, the waterproof structure formed by the housing 310 and the waterproof board 210 can effectively prevent the circuit board 320 from contacting water.

Referring to fig. 1 and 2, in a motor 1000 according to an embodiment of the present invention, a circuit board 320 is provided with a capacitor 321, and the capacitor 321 is located on a side of the circuit board 320 facing the rear end cap 200. It can be understood that, with the above arrangement, the housing 310 of the driver 300 does not need to cover the capacitor 321, but only serves as a board body for mounting the circuit board 320, so that the shape of the housing 310 of the driver 300 can be set more simply, and the volume can be set smaller. Since the housing 310 of the driver 300 is generally made of cast aluminum, the cost is high, and the cost of the motor 1000 can be effectively reduced by the above arrangement. It can be understood that if the capacitor 321 is on fire, the waterproof structure formed by the casing 310 and the waterproof board 210 can prevent fire from spreading to the washing device body.

Referring to fig. 3 and 4, in an embodiment of the motor 1000 of the present invention, one end of the waterproof plate 210, which is away from the rear end cap 200, is provided with one of the positioning column 211 and the positioning hole, and the other end of the waterproof plate 310 is provided with another positioning column 211 and positioning hole. It can be appreciated that, by the above arrangement, the housing 310 can be quickly positioned with the waterproof board 210, thereby improving the installation efficiency of the housing 310. In one embodiment, the end of the waterproof board 210 away from the rear end cap 200 is provided with a positioning column 211, and the housing 310 is provided with a positioning hole; in another embodiment, the waterproof board 210 has a positioning hole at an end away from the rear end cap 200, and the housing 310 has a positioning post 211.

Referring to fig. 3 and 5, in the motor 1000 according to an embodiment of the present invention, the rear end cap 200 is further provided with a fixing column extending toward the driver 300, and the housing 310 is detachably connected to the fixing column. It can be understood that, by providing the fixing posts, the housing 310 is spaced from the rear end cap 200 after being mounted on the fixing posts, so that the rear end cap 200 can cooperate with the waterproof board 210 to form a waterproof structure.

With continued reference to fig. 5, it should be noted that the fixing post includes a first post 220 and a second post 230, the rear end cap 200 is provided with a mounting leg 240, and the first post 220 is connected with the mounting leg 240 and the waterproof board 210. It is understood that the mounting feet 240 are used to mount the motor 1000 to the washing apparatus body. In one embodiment, there is one for each of first post 220 and mounting foot 240. In another embodiment, there are two first columns 220, there are at least two mounting feet 240, and two first columns 220 are respectively connected to two adjacent mounting feet 240, that is, one first column 220 is connected to one mounting foot 240, the other first column 220 is connected to the other mounting foot 240, and the two mounting feet 240 are arranged adjacently. In one embodiment, the number of the mounting feet 240 is two, and the two mounting feet 240 are respectively connected to the two first columns 220. It should be noted that the waterproof board 210 is connected between the two first columns 220. It can be understood that, with the above arrangement, the two mounting feet 240, the two first columns 220 and the waterproof plate 210 are connected into a whole, so that the overall strength is improved, and the motor 1000 can be more stably mounted in the washing apparatus body.

Referring to fig. 4 and 6, one end of the mounting leg 240 connected to the rear cap 200 is provided with a slope 241, and the slope 241 is inclined toward the other end of the mounting leg 240. It can be understood that, by the above arrangement, the manufacturing material of the mounting foot 240 can be saved, thereby reducing the production cost of the motor 1000. In one embodiment, the end surface of the end of the mounting leg 240 connected to the rear end cap 200 is a bevel 241. Here, the inclination angle of the inclined surface 241 is not particularly limited.

Referring to fig. 5, it should be noted that the second columns 230 and the first columns 220 are spaced apart from each other along the circumferential direction of the rear end cover 200, and the second columns 230 and the waterproof plate 210 are spaced apart from each other. It will be appreciated that by providing at least three connection points between the housing 310 and the rear cap 200, the connection is more secure. It should be noted that the number of the second cylinders 230 is not specifically limited herein.

Referring to fig. 6, it should be noted that the fixing post is provided with a first connection hole 221 and an insert 222, wherein the insert 222 is fixed in the first connection hole 221. The housing 310 is provided with a second connection hole 312, and the motor 1000 further includes a first connection member 400, wherein the first connection member 400 is inserted into the second connection hole 312 and the first connection hole 221, and is connected to the insert 222, so as to fix the housing 310 to the rear end cover 200. It should be noted that the first connecting member 400 is a bolt, and the insert 222 has a threaded hole therein, and the bolt is screwed into the threaded hole. It should be further noted that the first cylinder 220 and the second cylinder 230 are both provided with a first connection hole 221 and an insert 222. In addition, the fixing column is further provided with a top pin hole 223, the first connecting hole 221 is communicated with the top pin hole 223, and the aperture of the top pin hole 223 is larger than that of the first connecting hole 221. It will be appreciated that during manufacture of end cap 200, a pin (not shown) is positioned in pin opening 223, and the cross-sectional size of the pin is equal to the cross-sectional size of pin opening 223. Because the ejector pin is longer, the cross section of the ejector pin is enlarged, namely the ejector pin is thickened, the strength of the ejector pin can be improved, and the production of the rear end cover 200 is facilitated.

Referring to fig. 5 and 6, in an embodiment of a motor 1000 of the present invention, a rear cover 200 is further provided with a first reinforcing rib 250, a second reinforcing rib 260, and a third reinforcing rib 270. Wherein the first reinforcing rib 250 is connected to the mounting leg 240. It can be appreciated that the strength of the mounting feet 240 is improved by the above arrangement. The second reinforcing rib 260 is connected to the first cylinder 220 and spaced apart from the first reinforcing rib 250. It can be appreciated that the strength of the first cylinder 220 is improved by the above arrangement. The third reinforcing bead 270 is coupled between the first reinforcing bead 250 and the second reinforcing bead 260. It can be appreciated that the above arrangement can improve the strength of the first reinforcing rib 250 and the second reinforcing rib 260, and further improve the strength of the mounting foot 240 and the first cylinder 220.

Referring to fig. 7, in an embodiment of a motor 1000 of the present invention, a fixing portion 280 is disposed on a rear end cap 200, and the fixing portion 280 is provided with a first fixing hole 281. In addition, the stator assembly 100 is provided with a second fixing hole (not shown), and the motor 1000 further includes a second connector 500, where the second connector 500 is inserted into the first fixing hole 281 and the second fixing hole to fix the rear end cap 200 to the stator assembly 100. In an embodiment, the fixing portions 280 are provided in plurality, the fixing portions 280 are all provided on the circumferential wall of the rear end cap 200 and are arranged at intervals along the circumferential direction of the rear end cap 200, at this time, the first fixing holes 281 are also provided in plurality, the stator assembly 100 is correspondingly provided with a plurality of second fixing holes, the motor 1000 includes a plurality of second connecting members 500, and the second connecting members 500 are respectively inserted into the corresponding first fixing holes 281 and the corresponding second fixing holes to fix the rear end cap 200 to the stator assembly 100. Here, the shape and size of the fixing portion 280 are not specifically limited. The shape and size of the first fixing hole 281 and the second fixing hole are not specifically limited. In one embodiment, the first fixing hole 281 and the second fixing hole are both threaded holes, and the second connector 500 is a screw; in another embodiment, the first fixing holes 281 are through holes, the second fixing holes are threaded holes, and the second connecting member 500 is a screw.

Referring to fig. 4 and 5, the rear cap 200 is provided with fourth ribs 290, and the fourth ribs 290 are connected to the fixing portion 280. It can be appreciated that, by the above arrangement, the strength of the fixing portion 280 is improved, and thus the connection stability of the rear end cap 200 and the stator assembly 100 is improved. When a plurality of fixing portions 280 are provided, a plurality of sets of the fourth reinforcing ribs 290 are provided, and each set of the fourth reinforcing ribs 290 is connected to the corresponding fixing portion 280. Here, the number of the fourth reinforcing ribs 290 connected to each fixing portion 280 is not particularly limited.

Referring to fig. 1 and 7, it should be noted that the fixing portion 280 is provided with a boss 282, the stator assembly 100 is provided with a boss 110, and the boss 282 is fitted to the boss 110 to limit the rotation of the rear end cover 200 relative to the stator assembly 100, i.e., to prevent the rotation of the rear end cover 200 relative to the stator assembly 100 as much as possible. In one embodiment, the second fixing hole is provided in the boss 110. At this time, when the rear cap 200 is fixed to one end of the stator assembly 100, the boss 282 is fitted to the boss 110, and the second connector 500 is coupled to the second fixing hole of the boss 110. In one embodiment, the fixing portion 280 is provided with a plurality of bosses 282, the stator assembly 100 is provided with a plurality of bosses 110, and the bosses 282 are matched with the bosses 110 in a one-to-one correspondence manner.

Referring to fig. 7, in an embodiment of the motor 1000 of the present invention, the rear end cap 200 is provided with a containing cavity 201, and the containing cavity 201 is used for containing one end of the stator assembly 100. In addition, the rear cap 200 is provided with a positioning groove 202 in the receiving cavity 201, and the motor 1000 further includes a support cover 600, the positioning groove 202 being used to position the support cover 600 to the rear cap 200. It should be noted that the support cover 600 is used to support the motor 1000 bearing. It should be noted that the number of the positioning grooves 202 may be one, two, three, etc., and is not limited in particular. It should be noted that the shape and size of the positioning groove 202 are not specifically limited, as long as the support cover 600 can be positioned to the rear end cap 200.

With continued reference to fig. 7, in an embodiment of the present invention, the rear end cap 200 further includes a mounting ear 203. The mounting ears 203 are used to mount a cable tie (not shown). Note that the cable tie is used to fixedly connect the wire harness. The mounting lugs 203 are provided on the peripheral wall of the rear cap 200. In one embodiment, the rear end cap 200 is provided with a plurality of mounting ears 203, and the plurality of mounting ears 203 are spaced circumferentially along the rear end cap 200.

An embodiment of the second aspect of the present invention provides a washing apparatus, not shown in the figure, which includes the motor 1000 according to an embodiment of the first aspect of the present invention.

According to the utility model discloses washing equipment, because the 1000 waterproof performance of motor in the washing equipment is good, driver 300 risk of intaking is low, and circuit board 320 is difficult to meet water, so washing equipment working property is better, is difficult for breaking down. It should be noted that the washing apparatus may be a washing machine or the like.

The embodiments of the present invention are described in detail above with reference to the accompanying drawings, and finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its various embodiments.

Claims (17)

1. An electric machine, comprising:

a stator assembly;

the rear end cover is fixed at one end of the stator assembly and provided with a waterproof plate, and the waterproof plate extends towards the direction departing from the stator assembly;

the driver comprises a shell and a circuit board, wherein the shell is connected with one side, deviating from the stator assembly, of the rear end cover, the shell is matched with the waterproof board to form a waterproof structure, an opening is formed in one side, facing the rear end cover, of the shell, and the circuit board is installed in the shell through the opening.

2. The motor of claim 1, wherein the waterproof plate is provided with one of a positioning column and a positioning hole which are matched in a positioning way at one end away from the rear end cover, and the shell is provided with the other end.

3. The electric machine of claim 1, wherein the rear end cap further defines a mounting post extending toward the driver, the housing being removably coupled to the mounting post.

4. The motor of claim 3, wherein the fixing post is provided with a first connecting hole and an insert fixedly arranged in the first connecting hole, the housing is provided with a second connecting hole, and the motor further comprises a first connecting member, the first connecting member is arranged through the second connecting hole and the first connecting hole and connected with the insert to fix the housing on the rear end cover.

5. The electric machine of claim 3, wherein the rear end cap is provided with a mounting foot, and the fixed column comprises a first column connected with the mounting foot and the flashing.

6. The electric machine of claim 5, wherein there are at least two of the mounting feet, there are two of the first columns, two of the first columns are connected to two adjacent mounting feet, and the flashing is connected between the two first columns.

7. The motor of claim 5, wherein the fixing column further comprises a second column body, the second column body and the first column body are distributed at intervals along the circumferential direction of the rear end cover, and the second column body and the waterproof plate are arranged at intervals.

8. The motor of claim 5, wherein the rear end cap is further provided with a first reinforcing rib, and the first reinforcing rib is connected with the mounting foot.

9. The motor of claim 8, wherein the rear end cap further comprises a second rib connected to the first post and spaced apart from the first rib.

10. The electric machine of claim 9, wherein the rear end cap further comprises a third reinforcing rib connected between the first reinforcing rib and the second reinforcing rib.

11. The electric machine of claim 5, wherein the end of the mounting leg connected to the rear end cap is beveled, the bevel being angled toward the other end of the mounting leg.

12. The electric machine of claim 1, wherein the circuit board is provided with a capacitor on a side of the circuit board facing the rear end cap.

13. The motor of claim 1, wherein the rear end cap is provided with a fixing portion, the fixing portion is provided with a first fixing hole, the stator assembly is provided with a second fixing hole, and the motor further comprises a second connecting member, the second connecting member is inserted into the first fixing hole and the second fixing hole to fix the rear end cap to the stator assembly.

14. The electric machine of claim 13, wherein the rear end cap is provided with a fourth reinforcing rib, the fourth reinforcing rib being connected to the fixing portion.

15. The electric machine of claim 13, wherein the stationary portion is provided with a boss and the stator assembly is provided with a boss, the boss engaging the boss to limit rotation of the back end cap relative to the stator assembly.

16. The electric machine of claim 1 wherein the back end cap defines a receiving cavity for receiving the stator assembly, the back end cap defining a locating slot in the receiving cavity, the electric machine further comprising a support cap for locating the support cap to the back end cap.

17. A washing appliance comprising a motor as claimed in any one of claims 1 to 16.

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