CN210989995U

CN210989995U - Motor cover and dust collection equipment with same

Info

Publication number: CN210989995U
Application number: CN201921568005.9U
Authority: CN
Inventors: 李锦坤
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-07-14
Anticipated expiration: 2029-09-19

Abstract

The utility model provides a motor cover and dust collection equipment with the same, wherein the motor cover comprises a cover body and a containing space for containing a motor; the elastic support is made of elastic materials, fixedly mounted on the cover body and provided with a matching hole in interference fit with the motor supporting leg of the motor, and the matching hole has a set inclination relative to the extending direction of the motor supporting leg. So set up, through the special cooperation of motor stabilizer blade and mating holes, the motor can be stably placed in the lower cover body through elastic support to can effectively restrict motor left and right and axial displacement. When the motor moves downwards, the friction force and the resilience force between the motor support legs and the matching holes are increased, and the damping shock absorption and resetting effects are achieved. And moreover, the peripheral air outlet space of the motor is not shielded. The noise and the air outlet loss generated by the airflow are reduced. Therefore the utility model provides a motor cover has functions such as location, shock attenuation, simplifies the overall arrangement structure of motor cover, has optimized the shock attenuation effect, has reduced the noise and has guaranteed air-out efficiency.

Description

Motor cover and dust collection equipment with same

Technical Field

The utility model relates to a cleaning device technical field, concretely relates to motor cover and have its dust collecting equipment.

Background

Along with the higher living standard and the higher living quality requirement of people, the higher household sanitation and the larger amount of dust collecting equipment in the market enter thousands of households. When the dust collecting equipment is used, a motor in a motor cover rotates at a high speed, and air negative pressure is generated in a sealed equipment host machine, so that external dust is sucked.

Thereby the motor makes the motor cover produce the vibration at high-speed rotation in the operation process, and the motor cover then drives the structure of being connected with it and produces vibrations, and in the transmission process of vibrations, because resonant effect leads to the vibration volume aggravation moreover, and this just makes the noise at work of dust catcher complete machine very big, influences the use and experiences. In view of this, in the prior art, noise reduction, sound insulation, shock absorption, and other structures are generally provided on the motor cover.

In addition, the motor cover also needs to be provided with a positioning structure for effectively positioning the motor, the positioning structure at least needs to realize the axial and circumferential positioning of the motor, and the positioning structure causes the parts of the motor cover to be various, the installation to be complex, the whole weight to be heavy and the cost to be high. And the motor circumference location structure sets up around the motor among the prior art, has sheltered from to the circumference air-out space of motor. The air outlet is affected. The noise generated by the airflow generated by the dust collector during working can also be increased when the airflow passes through the cavity of the motor cover.

Therefore, there is a need for a motor cover that has no influence on the air outlet, can realize the positioning and damping functions, and has a simple structure.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the motor cover structure among the prior art complicacy, influences the air-out and leads to the great scheduling defect of noise to a motor cover and have its dust collecting equipment is provided.

The utility model provides a pair of motor cover, include:

the cover body is provided with an accommodating space for accommodating the motor;

the elastic support is made of elastic materials, fixedly mounted on the cover body and provided with a matching hole in interference fit with the motor supporting leg of the motor, and the matching hole has a set inclination relative to the extending direction of the motor supporting leg.

Optionally, include the elastic support top is provided with the mating holes, and the bottom is provided with spacing arch, be provided with on the cover body with spacing protruding complex spacing groove.

Optionally, a plurality of elastic supports are arranged corresponding to the number of the motor support legs; and the elastic supports are arranged around the central axis of the motor at intervals.

Optionally, the motor further comprises an elastic cover which is elastically extruded and arranged between the top of the motor and the cover body, and the elastic cover is provided with a through hole allowing airflow to pass through.

Optionally, the elastic cover is an annular cover body structure taking the central axis of the motor as a central axis, and a mounting groove and a mounting protrusion which are matched with each other are arranged between the top of the elastic cover and the upper cover body.

Optionally, the mounting groove and the mounting protrusion have an extension with a set radian around the central axis of the motor.

Optionally, the cover body and the peripheral wall of the motor housing are spaced at a set distance to form an air duct, and an air inlet and an air outlet communicated with the air duct are respectively formed at the top and the bottom of the motor.

Optionally, the cover body includes an upper cover body and a lower cover body which are arranged corresponding to the top and the bottom of the motor, and a sealing structure which is arranged between the upper cover body and the lower cover body, and the upper cover body, the lower cover body and the sealing structure are in sealing fit to form the accommodating space.

Optionally, the elastic support is formed by injection molding of a TPE material, and the elastic cover is made of an EPDM material.

The utility model simultaneously provides a dust collecting equipment, including above-mentioned arbitrary motor cover.

The utility model discloses technical scheme has following advantage:

the utility model provides a motor cover, which comprises a cover body and a cover body, wherein the cover body is provided with a containing space for containing a motor; the elastic support is made of elastic materials, fixedly mounted on the cover body and provided with a matching hole in interference fit with the motor supporting leg of the motor, and the matching hole has a set inclination relative to the extending direction of the motor supporting leg. So set up, through the special cooperation of motor stabilizer blade and mating holes, the motor can be stably placed in the lower cover body through elastic support to can effectively restrict motor left and right and axial displacement. When the motor moves downwards, the friction force and the resilience force between the motor support legs and the matching holes are increased, and the damping shock absorption and resetting effects are achieved. And moreover, the peripheral air outlet space of the motor is not shielded. The noise that the air current produced has been reduced, makes motor air-out efficiency lossless. Therefore the utility model provides a motor cover has functions such as location, shock attenuation, support seal, simplifies the layout structure of motor cover, has optimized the shock attenuation effect, has reduced the noise and has guaranteed air-out efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a motor cover according to an embodiment of the present invention;

FIG. 2 is a view taken along line A-A of FIG. 1;

FIG. 3 is a view taken along line B-B of FIG. 1;

fig. 4 is a view from direction C-C shown in fig. 1.

Fig. 5 is a front view of an elastic support according to an embodiment of the present invention;

FIG. 6 is a side view of FIG. 5;

FIG. 7 is a top view of FIG. 5;

fig. 8 is a front view of a lower cover according to an embodiment of the present invention;

FIG. 9 is a top view of FIG. 8;

fig. 10 is a front view of an elastic cover according to an embodiment of the present invention;

FIG. 11 is a side view of FIG. 10;

fig. 12 is a front view of an upper housing according to an embodiment of the present invention;

fig. 13 is a bottom view of fig. 12.

Description of reference numerals:

the novel mask comprises a mask body 1, an elastic cover 2, an upper mask body 3, a sealing structure 4, a lower mask body 5, an air outlet 51, an elastic support 6, a motor 7, an air inlet 8, a matching hole 9, a motor support leg 10, a limiting protrusion 11, a limiting groove 12, an outer edge 13, an installation groove 14 and an installation protrusion 15.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Fig. 1 to fig. 13 show an embodiment of a motor cover provided by the present invention. The two ends of the motor 7 relative to the central axis of the motor 7 are respectively the top of the motor 7 and the bottom of the motor 7. The central axis of the motor 7 is the central axis of the output shaft of the motor 7, and the bottom of the motor 7 is provided with a motor support leg 10 for installing and fixing the motor 7.

Referring to fig. 1-4, and fig. 8, 9, 12 and 13, the motor cover includes an upper cover 3 and a lower cover 5 disposed corresponding to the top of the motor 7 and the bottom of the motor 7. A sealing structure 4 is arranged between the upper cover body 3 and the lower cover body 5, and the upper cover body, the lower cover body and the sealing structure are hermetically matched to form a cover body 1 surrounding the motor 7. The cover body 1 surrounds the motor 7, and an accommodating space for accommodating the motor 7 is formed. The distance between the cover body 1 and the peripheral wall of the motor 7 shell is set to form an air duct for air flow circulation. The upper cover body 3 is provided with an air inlet 8 communicated with the air duct at the position corresponding to the axis of the motor 7. The lower cover body 5 is provided with an air outlet 51 communicated with the air duct at a position corresponding to the axis of the motor 7. Through air intake 8, wind channel and air outlet 51, this motor 7 realizes the top air inlet, and circumference air-out then discharges the accommodation space through air outlet 51. The upper cover body 3 and the lower cover body 5 are made of PC + ABS + GF-FR materials, have excellent rigidity and impact strength, have the wall thickness of 2.0mm and are provided with reinforcing rib structures, and the stability and the reliability of the whole machine are ensured.

The motor cover also comprises an elastic support 6 and an elastic cover 2. Referring to fig. 5-7, the number of the elastic supports 6 corresponding to the number of the motor support legs 10 is plural, and the plurality of elastic supports 6 are arranged around the central axis of the motor 7 at intervals. Moreover, the outer edge 13 of the elastic support 6 abuts against the peripheral wall of the corresponding accommodating space of the lower cover body 5, so that the positioning and the installation of the elastic support 6 are facilitated. The elastic support 6 is made of TPE materials and has high resilience and high-strength mechanical properties.

The bottom surface of the elastic support 6 is provided with a limiting bulge 11, and the lower cover body 5 is provided with a limiting groove 12 matched with the limiting bulge 11 corresponding to the installation position of the elastic support 6. The limiting groove 12 and the limiting bulge 11 are embedded and tightly assembled to complete the installation of the elastic support 6 and the lower cover body 5. A plurality of elastic support 6 are stably installed on the lower cover body 5 and are located at the same height, and stable and reliable support is provided for the motor 7. The top surface of the elastic support 6 is provided with a matching hole 9 with inclination, and the matching hole 9 and the motor support leg 10 are in gradual interference fit.

So set up, through the special cooperation of motor stabilizer blade 10 and mating holes 9, motor 7 can stably place in lower cover body 5 through elastic support 6 to can effectively restrict motor 7 left and right and axial displacement. When the motor 7 moves downwards, the friction force and the resilience force between the motor support leg 10 and the matching hole 9 are increased, and the damping, shock absorption and resetting effects are realized. Moreover, the circumferential air outlet space of the motor 7 is not shielded. The noise that the air current produced has been reduced, makes 7 air-out efficiencies of motor lossless. Therefore the utility model provides a motor cover has functions such as location, shock attenuation, support seal, simplifies the layout structure of motor cover, has optimized the shock attenuation effect, has reduced the noise and has guaranteed air-out efficiency.

The elastic cover 2 is located between the motor 7 and the upper housing 3. Referring to fig. 10 and 11, the elastic cover 2 is an annular cover structure with the central axis of the motor 7 as the central axis, and a through hole allowing airflow to pass through is formed at a position corresponding to the central axis of the motor 7. And a mounting groove 14 and a mounting protrusion 15 which are matched with each other are arranged between the top surface of the elastic cover 2 and the inner wall of the upper cover body 3, and the mounting position of the elastic cover 2 is limited by the matching action of the mounting groove 14 and the mounting protrusion 15. In order to ensure the mounting restriction effect, the mounting recess 14 and the mounting projection 15 have an extension with a set arc around the central axis of the motor 7. When the device is installed, the elastic cover 2 is pressed up and down, so that the top sealing function is realized; the elastic cover 2 also limits the up and down movement of the motor 7, providing an auxiliary positioning function. The elastic cover 2 is made of EPDM material, and has the characteristics of uniform elastic stress and large pressing amount.

According to the above description, the utility model provides a motor 7 provides support location, damping shock attenuation, top seal's function, simplifies the layout structure of motor cover, has optimized the shock attenuation effect, has reduced the noise moreover and has guaranteed air-out efficiency.

The utility model discloses provide a dust collecting equipment's embodiment simultaneously. The dust suction device comprises the motor cover in the embodiment.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A motor cover, comprising:

the cover body (1) is provided with an accommodating space for accommodating the motor (7);

the elastic support (6) is made of elastic materials, is fixedly installed on the cover body (1), and is provided with a matching hole (9) in interference fit with a motor supporting leg (10) of the motor (7), and the matching hole (9) has a set inclination relative to the extending direction of the motor supporting leg (10).

2. The motor cover of claim 1, wherein: the novel mask is characterized in that the top of the elastic support (6) is provided with the matching hole (9), the bottom of the elastic support is provided with a limiting bulge (11), and a limiting groove (12) matched with the limiting bulge (11) is formed in the mask body (1).

3. The motor cover of claim 2, wherein: the number of the elastic supports (6) is more than that of the motor support legs (10); the elastic supports (6) are arranged around the central axis of the motor (7) at intervals.

4. The motor cover according to any one of claims 1-3, wherein: the air-cooling cover is characterized by further comprising an elastic cover (2) which is arranged between the top of the motor (7) and the cover body (1) in an elastic extrusion mode, and a through hole allowing air flow to pass through is formed in the elastic cover (2).

5. The motor cover of claim 4, wherein: the elastic cover (2) is an annular cover body structure taking the central axis of the motor (7) as a central axis, and the top of the elastic cover is provided with a mounting groove (14) and a mounting bulge (15) which are matched with each other between the elastic cover and the cover body (1).

6. The motor cover of claim 5, wherein: the mounting groove (14) and the mounting protrusion (15) surround the central axis of the motor (7) and have extension with set radian.

7. The motor cover of claim 1, wherein: the cover body (1) and the peripheral wall of the shell of the motor (7) are separated by a set distance to form an air duct, and an air inlet (8) and an air outlet (51) which are communicated with the air duct are respectively formed at the top and the bottom of the motor (7).

8. The motor cover of claim 1, wherein: the cover body (1) comprises an upper cover body (3) and a lower cover body (5) which are arranged at the top and the bottom of the motor (7) correspondingly, and a sealing structure (4) which is arranged between the upper cover body (3) and the lower cover body (5), wherein the upper cover body (3), the lower cover body (5) and the sealing structure (4) are in sealing fit to form the accommodating space.

9. The motor cover of claim 4, wherein: the elastic support (6) is formed by injection molding of a TPE material, and the elastic cover (2) is made of an EPDM material.

10. A dust extraction apparatus, characterized by: comprising a motor cover according to any of claims 1-9.