Motor assembly and cleaning equipment

Abstract

The utility model is applicable to the technical field of suction motors, in particular to a motor assembly, which comprises a shell and a suction motor, the suction motor is arranged in the shell, the motor assembly further comprises a first buffer end cover and a second buffer end cover, an accommodating cavity is arranged in the shell, the suction motor is positioned in the accommodating cavity, and the first buffer end cover and the second buffer end cover are arranged in the accommodating cavity. The first buffer end cover is arranged at the upper end of the suction motor, the second buffer end cover is arranged at the lower end of the suction motor, and the first buffer end cover and the second buffer end cover are respectively provided with corresponding convex and concave hole structures, so that the buffer performance of the buffer end covers is improved, and the suction motor is well buffered in the shell; the vibration noise reduction effect of the motor assembly is improved, and the overall noise of the motor assembly is reduced. The utility model also provides a cleaning device using the motor assembly. The cleaning device has the advantages of low noise and good user experience.

Description

TECHNICAL FIELD

[0001] The utility model belongs to suction motor technical field, especially relate to a motor assembly and the cleaning equipment of application this motor assembly. BACKGROUND

[0002] Cleaning equipment such as scrubber, intelligent sweeper robot, dust catcher etc. are all equipped with a suction motor, use the suction air current generated by suction motor to suck away the garbage or dirt on the surface to be cleaned to achieve the purpose of cleaning. The suction motor of this kind of cleaning equipment is arranged in the equipment, and the suction motor will produce working noise when working, so it is necessary to consider how to reduce the above noise as much as possible to improve user experience when designing.

[0003] The noise produced by the above-mentioned suction motor working generally includes wind noise and vibration noise, wherein the wind noise refers to the roaring sound produced by high-speed airflow through narrow air duct, and the vibration noise can be understood as the impact sound produced by the vibration of the motor itself when working. The researchers in the prior art often pay more attention to the control and improvement of wind noise, but ignore the control of vibration noise, so the existing motor assembly often has poor noise reduction effect of vibration noise reduction structure, resulting in large overall noise. SUMMARY

[0004] One of the purposes of the utility model is to provide a motor assembly, which aims to solve the technical problem of poor vibration noise reduction effect and large overall noise of the existing motor assembly.

[0005] The technical scheme of the utility model is as follows:

[0006] A motor assembly, comprising a shell and a suction motor, the suction motor is arranged in the shell, further comprising a first buffer end cover and a second buffer end cover, the shell is provided with a containing cavity, the suction motor is located in the containing cavity, the first buffer end cover is arranged on the upper end of the suction motor and abuts against the upper wall of the containing cavity, the second buffer end cover is arranged on the lower end of the suction motor and abuts against the lower wall of the containing cavity, one side of the first buffer end cover towards the suction motor is provided with a first protrusion, the position corresponding to the first protrusion on the side of the first buffer end cover away from the suction motor is provided with a first recess, the first recess extends into the first protrusion and does not penetrate through the first protrusion, and the first protrusion abuts against the upper end face of the suction motor;One side of the second buffer end cover towards the suction motor is provided with a second protrusion, the position corresponding to the second protrusion on the side of the second buffer end cover away from the suction motor is provided with a second recess, the second recess extends into the second protrusion and does not penetrate through the second protrusion, and the second protrusion abuts against the lower end face of the suction motor.

[0007] Optionally, the first buffer end cover is provided with a plurality of first grooves at a position around the edge of the first buffer end cover on the side away from the suction motor, the first grooves extend downward to the lower end of the first buffer end cover and do not penetrate the first buffer end cover, and the side wall of the first buffer end cover abuts against the side wall of the accommodating cavity.

[0008] Optionally, the first recess is located inside the first groove.

[0009] Optionally, the side wall of the first buffer end cover is provided with a plurality of sealing protruding rings arranged at intervals.

[0010] Optionally, the upper end of the first buffer end cover is provided with a positioning column, the upper side of the shell is provided with a positioning hole corresponding to the position of the positioning column, and the positioning column is embedded in the positioning hole.

[0011] Optionally, the second buffer end cover is provided with a buffer protruding rib on the side adjacent to the second protrusion on the side facing the suction motor, one end of the buffer protruding rib is connected to the second protrusion, the other end is a free end, the upper end surface of the buffer protruding rib is lower than the upper end surface of the second protrusion, and the buffer protruding rib abuts against the lower end surface of the suction motor.

[0012] Optionally, the side of the second buffer end cover is provided with a 1 / 2 ring buffer flange, the buffer flange is provided with a plurality of second grooves at a position around the edge of the buffer flange on the side away from the suction motor, the second grooves extend upward to the upper end of the buffer flange and do not penetrate the buffer flange, and the side wall of the buffer flange abuts against the side wall of the accommodating cavity.

[0013] Optionally, the side of the second buffer end cover is provided with a positioning protruding rib, the positioning protruding rib is provided with a third groove on the side away from the suction motor, the third groove extends upward to the upper end of the positioning protruding rib and does not penetrate the positioning protruding rib, and the side wall of the positioning protruding rib abuts against the side wall of the accommodating cavity.

[0014] Optionally, the cleaning equipment further comprises a sound-absorbing sleeve, the sound-absorbing sleeve is sleeved around the outer periphery of the middle part of the suction motor and is located between the first buffer end cover and the second buffer end cover.

[0015] Another purpose of the utility model is to provide a cleaning equipment, the cleaning equipment is provided with a scrubber or a dust collector or a smart sweeper robot, and the cleaning equipment is provided with any one of the motor assemblies.

[0016] The motor assembly of the utility model discloses, be equipped with the first buffer end cover in the upper end of suction motor, be equipped with the second buffer end cover in the lower end of suction motor, and the first buffer end cover and the second buffer end cover are equipped with corresponding protrusion and recess hole structure respectively, thereby improved the buffering performance of buffer end cover, make suction motor get very good buffering in the shell, improve the vibration noise reduction effect of motor assembly, make the overall noise of motor assembly reduce, thereby improve user experience.

[0017] The cleaning equipment of the utility model has the same beneficial effects because of applying the motor assembly as described above.

[0018] Other features and advantages of the utility model will be described in detail in the subsequent specific implementation part. DRAWINGS

[0019] Figure 1 The utility model provides a motor assembly's section view for embodiment of the utility model;

[0020] Figure 2 The utility model provides an explosion view of motor assembly for embodiment of the utility model;

[0021] Figure 3 The utility model provides a first buffer end cover's bottom view perspective drawing for embodiment of the utility model;

[0022] Figure 4 The utility model provides a first buffer end cover's top view perspective drawing for embodiment of the utility model;

[0023] Figure 5 The utility model provides a second buffer end cover's top view perspective drawing for embodiment of the utility model;

[0024] Figure 6 The utility model provides a second buffer end cover's bottom view perspective drawing for embodiment of the utility model.

[0025] The names and their labels of various components in the drawing are:

[0026] 1, first buffer end cover, 2, second buffer end cover, 3, sound-absorbing sleeve, 10, suction motor, 11, first protrusion, 12, first recess, 13, first groove, 14, sealing protruding ring, 15, positioning column, 20, shell, 21, second protrusion, 22, second recess, 23, buffer flange, 24, second groove, 25, positioning convex rib, 26, third groove, 27, buffer convex rib, 201, lower shell, 202, upper shell, 203, positioning hole. SPECIFIC IMPLEMENTATION

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will make further detailed description to the utility model combined with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0028] Please refer to the attached Figures 1-6 The utility model discloses a motor assembly, including shell 20 and suction motor 10, the suction motor 10 is located in the shell 20, still including first buffer end cap 1 and second buffer end cap 2, the shell 20 is equipped with the accommodation cavity, the suction motor 10 is located in the accommodation cavity, the first buffer end cap 1 is covered and is located the upper end of the suction motor 10 and is resisted to the upper wall of the accommodation cavity, the second buffer end cap 2 is covered and is located the lower end of the suction motor 10 and is resisted to the lower wall of the accommodation cavity, the first buffer end cap 1 is equipped with first protruding 11 towards one side of the suction motor 10, the first buffer end cap 1 is equipped with first recessed hole 12 in the position corresponding the first protruding 11 of one side away from the suction motor 10, the first recessed hole 12 is inserted into the first protruding 11 and does not penetrate the first protruding 11, and the first protruding 11 is resisted to the upper end surface of the suction motor 10, the second buffer end cap 2 is equipped with second protruding 21 towards one side of the suction motor 10, the second buffer end cap 2 is equipped with second recessed hole 22 in the position corresponding the second protruding 21 of one side away from the suction motor 10, the second recessed hole 22 is inserted into the second protruding 21 and does not penetrate the second protruding 21, and the second protruding 21 is resisted to the lower end surface of the suction motor 10. The protruding is contacted with the suction motor 10 instead of the whole end surface of the buffer end cap, and the recessed hole structure is also set in the position corresponding the protruding to reduce the thickness of the protruding and improve its buffering performance, so that the vibration of the suction motor 10 in the accommodation cavity can be well buffered.

[0029] Further, the buffering effect of the left and right positions of the suction motor 10 in the accommodating cavity can be improved. Specifically, a plurality of first grooves 13 are arranged at the position of the side of the first buffering end cover 1 away from the suction motor 10 and around the edge of the first buffering end cover 1, the first grooves 13 extend downward to the lower end of the first buffering end cover 1 and do not penetrate the first buffering end cover 1, and the side wall of the first buffering end cover 1 abuts against the side wall of the accommodating cavity. The side of the second buffering end cover 2 is provided with a 1 / 2 ring buffering flange 23, the side of the buffering flange 23 away from the suction motor 10 is provided with a plurality of second grooves 24 arranged at intervals and around the edge of the second buffering end cover 2, the second grooves 24 extend upward to the upper end of the buffering flange 23 and do not penetrate the buffering flange 23, and the side wall of the buffering flange 23 abuts against the side wall of the accommodating cavity. Similarly, by arranging the groove structures on the edges of the first buffering end cover 1 and the buffering flange 23 respectively, the buffering performance is improved, so that the vibration of the suction motor 10 in the left and right positions in the accommodating cavity is well buffered.

[0030] Optionally, the side of the second buffering end cover 2 toward the suction motor 10 is provided with a buffering protruding rib 27 beside the second protrusion 21, one end of the buffering protruding rib 27 is connected to the second protrusion 21, the other end is a free end, the upper end surface of the buffering protruding rib 27 is lower than the upper end surface of the second protrusion 21, and the buffering protruding rib 27 abuts against the lower end surface of the suction motor 10. The buffering protruding rib 27 is adapted to the lower end structure of the suction motor 10, so that the lower end of the suction motor 10 abuts against the second protrusion 21 and the buffering protruding rib 27, to meet the sufficient support requirement, and the buffering protruding rib 27 can reduce the contact area between the suction motor 10 and the second buffering end cover 2, thereby providing better buffering effect.

[0031] Optionally, the first recess 12 is located inside the first groove 13. The side wall of the first buffering end cover 1 is provided with a plurality of sealing protruding rings 14 arranged at intervals, the sealing protruding rings 14 can make the connection between the first buffering end cover 1 and the accommodating cavity of the shell 20 sealed, thereby playing a role in sealing, dustproof and waterproof. The upper end of the first buffering end cover 1 is provided with a positioning column 15, the upper side of the shell 20 is provided with a positioning hole 203 corresponding to the position of the positioning column 15, and the positioning column 15 is embedded in the positioning hole 203. The positioning column 15 can prevent the first buffering end cover 1 from rotating circumferentially after being installed and fixed.

[0032] The side of the second buffering end cover 2 is provided with a positioning protruding rib 25, the side of the positioning protruding rib 25 away from the suction motor 10 is provided with a third groove 26, the third groove 26 extends upward to the upper end of the positioning protruding rib 25 and does not penetrate the positioning protruding rib 25, and the side wall of the positioning protruding rib 25 abuts against the side wall of the accommodating cavity. The positioning protruding rib 25 is to prevent the second buffering end cover 2 from rotating circumferentially after being installed and fixed.

[0033] In the embodiment, the shell 20 comprises an upper shell 202 and a lower shell 201, the upper shell 202 is arranged on the upper end of the lower shell 201, and the accommodating cavity is formed between the upper shell 202 and the lower shell 201. The first buffer end cover 1 and the second buffer end cover 2 are both rubber covers, and the rubber itself also has a buffering effect. The positioning hole 203 is arranged on the upper shell 202.

[0034] Optionally, the sound-absorbing sleeve 3 is further included, and the sound-absorbing sleeve 3 is made of sponge. The sound-absorbing sleeve 3 is sleeved on the outer periphery of the middle part of the suction motor 10 and is arranged between the first buffer end cover 1 and the second buffer end cover 2.

[0035] Another purpose of the utility model is to provide a cleaning equipment, the cleaning equipment is arranged as a floor washing machine or a dust collector or a smart sweeper robot, and the cleaning equipment is provided with the motor assembly.

[0036] In summary, the motor assembly of the utility model has the first buffer end cover 1 arranged on the upper end of the suction motor 10, the second buffer end cover 2 arranged on the lower end of the suction motor 10, and the first buffer end cover 1 and the second buffer end cover 2 are respectively provided with corresponding convex and concave hole structures, so that the buffering performance of the buffer end cover is improved, the suction motor 10 is well buffered in the shell 20, and the vibration noise reduction effect of the motor assembly is improved. The cleaning equipment provided in the embodiment and applying the above motor assembly has the advantages of low noise and good user experience.

[0037] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the description.

[0038] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the utility model. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

[0039] The above-described only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electric motor assembly comprising a housing and a suction motor disposed within the housing, characterized by, Further comprising a first buffer end cover and a second buffer end cover, the housing is internally provided with a containing cavity, the suction motor is located in the containing cavity, the first buffer end cover is provided on the upper end of the suction motor and abuts against the upper wall of the containing cavity, the second buffer end cover is provided on the lower end of the suction motor and abuts against the lower wall of the containing cavity, the first buffer end cover is provided with a first protrusion on the side facing the suction motor, the first buffer end cover is provided with a first recess hole on the side away from the suction motor and corresponding to the first protrusion, the first recess hole extends into the first protrusion and does not penetrate through the first protrusion, and the first protrusion abuts against the upper end surface of the suction motor; the second buffer end cover is provided with a second protrusion on the side facing the suction motor, the second buffer end cover is provided with a second recess hole on the side away from the suction motor and corresponding to the second protrusion, the second recess hole extends into the second protrusion and does not penetrate through the second protrusion, and the second protrusion abuts against the lower end surface of the suction motor.

2. The electric machine assembly of claim 1, wherein, The first buffer end cover is provided with a plurality of first grooves at intervals on the side away from the suction motor and surrounding the edge of the first buffer end cover, the first grooves extend downward to the lower end of the first buffer end cover and do not penetrate through the first buffer end cover, and the side wall of the first buffer end cover abuts against the side wall of the containing cavity.

3. The electric machine assembly of claim 2, wherein, The first recess hole is located on the inner side of the first groove.

4. The electric machine assembly of claim 1, wherein, The side wall of the first buffer end cover is provided with a plurality of sealing protruding rings arranged at intervals.

5. The electric machine assembly of claim 1, wherein, The upper end of the first buffer end cover is provided with a positioning column, the upper side of the housing is provided with a positioning hole corresponding to the positioning column, and the positioning column is embedded in the positioning hole.

6. The electric machine assembly of claim 1, wherein, The second buffer end cover is provided with a buffer protruding rib on the side of the second protrusion facing the suction motor, one end of the buffer protruding rib is connected to the second protrusion, the other end is a free end, the upper end surface of the buffer protruding rib is lower than the upper end surface of the second protrusion, and the buffer protruding rib abuts against the lower end surface of the suction motor.

7. The electric machine assembly of claim 6, wherein, The side of the second buffer end cover is provided with a 1 / 2 ring buffer flange, the side of the buffer flange away from the suction motor is provided with a plurality of second grooves at intervals and surrounding the edge of the second buffer end cover, the second grooves extend upward to the upper end of the buffer flange and do not penetrate through the buffer flange, and the side wall of the buffer flange abuts against the side wall of the containing cavity.

8. An electric machine assembly according to claim 6 or 7, characterized in that The side of the second buffer end cover is provided with a positioning protruding rib, the side of the positioning protruding rib away from the suction motor is provided with a third groove, the third groove extends upward to the upper end of the positioning protruding rib and does not penetrate through the positioning protruding rib, and the side wall of the positioning protruding rib abuts against the side wall of the containing cavity.

9. The electric machine assembly of claim 1, wherein, Further comprising a soundproof sleeve, the soundproof sleeve is sleeved on the outer periphery of the middle part of the suction motor and between the first buffer end cover and the second buffer end cover.

10. A cleaning device configured as a scrubber or a vacuum cleaner or a smart floor sweeping robot, characterized in that, The cleaning device is provided with the motor assembly as claimed in any one of claims 1-9.

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