CN214595708U

CN214595708U - Motor assembly for dust collector

Info

Publication number: CN214595708U
Application number: CN202120251754.XU
Authority: CN
Inventors: 李一峰; 李�浩; 余水勇
Original assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Current assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-11-05
Anticipated expiration: 2031-01-28

Abstract

The utility model provides a motor assembly for a dust collector, which comprises an upper housing, a dust collector motor and a lower fixing frame, wherein the dust collector motor comprises a motor and a fan connected with the lower end of the motor, the lower side surface of the fan is provided with an air suction opening, and the upper side surface of the fan is provided with an air outlet; still including sealed cushion and the cushion support that is equipped with the air inlet duct, sealed cushion, cushion support and lower mount top-down establish in proper order in the below of fan, and lower mount is fixed continuous with last dustcoat to make the cushion support compress tightly the sealed body of sealed cushion at the downside of fan, let form sealed inlet channel between the inlet scoop of fan and the air inlet duct of lower mount. The utility model discloses can reduce the noise that the during operation produced, and inlet channel's breathing in more smoothly, promoted motor element's suction and be favorable to improving the dust removal effect of dust catcher.

Description

Motor assembly for dust collector

Technical Field

The utility model belongs to the technical field of clean electrical apparatus technique and specifically relates to a motor element for dust catcher.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

The noise of the dust collector is always a problem which is difficult to solve in the industry and is one of the pain points which are very concerned by consumers. The dust collector filters and separates dust and air in the dust cup through the inside of the dust collector and then discharges the air out of the dust collector through the air outlet. The main sources of noise in a vacuum cleaner are classified into two types, one is noise generated due to vibration of a motor, and the other is flow noise due to a rapid air flow generated when air is rapidly sucked and discharged.

In order to reduce the noise generated by the vibration of the motor, a common noise reduction scheme is to use a multilayer motor cover for sound insulation. Although the motor cover is added to play a certain noise reduction effect, the production cost is high, and the manufacturing process is complex; and the sound insulation of the motor cover is based on physical isolation and noise reduction, so that the noise generated by the vibration of the motor cannot be reduced, and the noise reduction effect is not obvious.

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 element for dust catcher, have the noise little and inhale smooth and easy key feature.

The utility model provides a motor assembly for a dust collector, which comprises an upper housing, a dust collector motor and a lower fixing frame, wherein the dust collector motor comprises a motor and a fan connected with the lower end of the motor, the lower side surface of the fan is provided with an air suction opening, and the upper side surface of the fan is provided with an air outlet; still including sealed cushion and the cushion support that is equipped with the air inlet duct, sealed cushion, cushion support and lower mount top-down establish in proper order in the below of fan, and lower mount is fixed continuous with last dustcoat to make the cushion support compress tightly the sealed body of sealed cushion at the downside of fan, let form sealed inlet channel between the inlet scoop of fan and the air inlet duct of lower mount.

In a preferred embodiment, the upper cover shell consists of a lower cover and an upper cover, the upper cover is provided with a machine body groove, and the lower cover comprises a cover body with a circular groove in the middle and an annular side wall arranged below the cover body; the upper cover is fixedly connected with the cover body of the lower cover, the upper end of the motor penetrates through the circular groove and then is limited in the machine body groove, and the fan is accommodated in the annular side wall of the lower cover.

In a preferred embodiment, a plurality of support plates are uniformly distributed on the side wall of the machine body groove to limit the motor; a plurality of L-shaped supporting plates are circumferentially distributed on the lower surface of the cover body of the lower cover to limit the fan.

In a preferred embodiment, at least 2 fixing rings are arranged on the annular side wall of the lower cover, transverse fixing columns are respectively arranged on the lower fixing frame corresponding to each fixing ring, and screws penetrate through the fixing rings to be screwed with the transverse fixing columns so as to fixedly connect the lower fixing frame with the lower cover;

or/and the inner side surface of the annular side wall of the lower cover is provided with a plurality of inner buckles, the side of the lower fixing frame corresponding to each inner buckle is respectively provided with a fixing buckle in an upward protruding manner, and when the lower fixing frame is fixedly connected with the lower cover, each fixing buckle is respectively connected with one inner buckle in a buckling manner.

In a preferred embodiment, a positioning groove is arranged at the lower end part of the annular side wall, and the side wall of the lower fixing frame is provided with a positioning block protruding upwards; when the positioning block is aligned to the insertion positioning groove, the fixing ring is aligned with the transverse fixing column, or/and the fixing buckle is aligned with the inner buckle.

In a preferred embodiment, the sealing rubber gasket comprises a sealing body and an air inlet through hole which is arranged from the sealing body in a downward extending manner; the cushion support includes that the middle part has the ring body of support through-hole, and the ring body supports at sealed body downside to the inlet scoop that makes the dust catcher motor loops through between the air inlet duct of air inlet through-hole, support through-hole and lower mount forms sealed inlet channel.

In a preferred embodiment, the inner ring of the ring body is provided with a first supporting ring which is arranged in an upward protruding mode, and the first supporting ring is supported at the junction of the air inlet through hole and the sealing body to form primary sealing for the air inlet channel; the outer ring of the circular ring body is provided with a second supporting ring which is arranged in an upward protruding mode, and the second supporting ring is supported on the lower side face of the sealing body to form second-stage sealing on the air inlet channel.

In a preferred embodiment, the peripheral side edge of the sealing body extends upwardly beyond a sealing flange that is compressed between the lower cover and the blower to form a third level of sealing against the air inlet passage.

In a preferred embodiment, the lower side surface of the circular ring body is inclined, so that the through hole of the bracket is gradually enlarged from top to bottom.

In a preferred embodiment, the ring body is fixed on the lower fixing frame, and the bottom end surface of the ring body is provided with a limiting groove, and a limiting ring is convexly arranged on the lower fixing frame around the air inlet groove and is inserted in the limiting groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a motor component, through setting up the sealed cushion at the downside of dust catcher motor, not only can utilize the self elasticity of sealed cushion to reduce the vibration that the dust catcher motor produced in order to reduce the noise that the dust catcher produced in the use, sealed cushion has also ensured the inlet channel sealing performance reliable between the inlet scoop of lower mount to the inlet scoop of dust catcher motor simultaneously to promote the suction of dust catcher and make the dust removal effect of dust catcher more excellent; and, utilize the cushion support to compress tightly sealed cushion at the downside of dust catcher motor, the cushion support not only is favorable to fixing sealed cushion in order to ensure to keep sealing connection between the downside of sealed cushion and dust catcher motor, and the cushion support separates the inlet scoop of dust catcher motor and the air inlet duct of mount down, the length of inlet channel between the inlet scoop of mount to the inlet scoop of dust catcher motor has been extended down objectively, make inlet channel admit air more smoothly, not only can promote motor element's the ability of breathing in order to improve the dust absorption performance of dust catcher, can also prevent that inlet channel from admitting air and not smooth and easy and the noise that produces.

Drawings

Fig. 1 is an exploded view of a motor assembly.

Fig. 2 is a schematic structural view of the motor upper cover.

Fig. 3 is a schematic structural view of a motor lower cover.

Fig. 4 is a schematic half-sectional view of a sealing rubber mat.

Fig. 5 is a schematic half-sectional view of a rubber mat holder.

Fig. 6 is a schematic view of a lower mount.

Fig. 7 is a schematic view of the internal structure of the motor assembly.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1-7, the present invention provides a motor assembly for a vacuum cleaner, which comprises an upper housing, a vacuum cleaner motor 3, a sealing rubber pad 4, a rubber pad support 5 and a lower fixing frame 6; the dust collector motor 3 comprises a motor 31 and a fan 32 connected with the lower end of the motor 31, the lower side surface of the fan 32 is provided with an air suction opening 322, and the upper side surface of the fan 32 is provided with an air outlet; the sealing rubber gasket 4 comprises a sealing body and an air inlet through hole 40 arranged on the sealing body; the lower fixing frame 6 is provided with an air inlet groove 60; the sealing rubber mat 4, the rubber mat support 5 and the lower fixing frame 6 are sequentially arranged below the fan 32 from top to bottom, the upper cover shell is arranged above the dust collector motor 3, and the lower fixing frame 6 is fixedly connected with the upper cover shell, so that the rubber mat support 5 compresses a sealing body of the sealing rubber mat 4 on the lower side surface of the fan 32, and a sealed air inlet channel is formed between the air suction opening 322 of the fan 32 and the air inlet groove 60 of the lower fixing frame 6.

The utility model discloses a motor assembly, through set up sealed cushion 4 at the downside of dust catcher motor 3, not only can utilize the self elasticity of sealed cushion 4 to reduce the vibration that dust catcher motor 3 produced in order to reduce the noise that the dust catcher produced in the use, sealed cushion 4 has also ensured simultaneously that the inlet duct sealing performance between inlet scoop 60 of lower mounting bracket 6 and inlet scoop 322 of dust catcher motor 3 is reliable, so as to promote the suction of dust catcher and make the dust removal effect of dust catcher more excellent; and, utilize cushion support 5 to compress tightly sealed cushion 4 at the downside of dust catcher motor 3, cushion support 5 not only is favorable to fixing sealed cushion 4 in order to ensure to keep sealing connection between sealed cushion 4 and the downside of dust catcher motor 3, and cushion support 5 separates inlet scoop 322 of dust catcher motor 3 and inlet scoop 60 of lower mount 6, the length of inlet channel between inlet scoop 60 of lower mount 6 to inlet scoop 322 of dust catcher motor 3 has objectively extended, make inlet channel admit air more smoothly, not only promoted motor element's inspiratory capacity in order to improve the dust absorption performance of dust catcher, can also prevent that inlet channel from admitting air unsmoothly and producing the noise.

The upper cover casing consists of a lower cover 2 and an upper cover 1 fixed at the top end of the lower cover 2. Upper cover 1 is equipped with organism groove 11, and organism groove 11 is cyclic annular at the central authorities of upper cover 1, is convenient for place the motor 31 of dust catcher motor 3, has many extension boards 12 at its lateral wall equipartition, and extension board 12 side can be spacing to motor 31 and prevent that motor 31 from taking place to beat because of fixed not firm. The lower cover 2 comprises a cover body with a circular groove 25 in the middle and an annular side wall arranged below the cover body. The upper cover 1 is fixedly connected with the cover body of the lower cover 2, the upper end of the motor 31 penetrates through the circular groove 25 and then is limited in the machine body groove 11, and the fan 32 is accommodated in the annular side wall of the lower cover 2.

A plurality of L-shaped supporting plates 27 are circumferentially distributed on the lower surface of the cover body of the lower cover 2, the supporting plates 27 are provided with supporting end surfaces 271 protruding downwards, and each supporting end surface 271 is in contact with the fan 32 to enable the dust collector motor 3 to be more firmly fixed between the upper cover shell and the lower fixing frame 6, so that the dust collector motor 3 can be prevented from jumping to generate large noise. The cover body of the lower cover 2 is provided with a fan-shaped gap which is an air outlet 29, and the air outlet 29 is arranged corresponding to the air outlet of the dust collector motor 3, so that the air sucked by the motor component is finally discharged from the air outlet 29.

A plurality of upper fixing columns 14 are arranged on the upper cover 1, a plurality of lower fixing columns 28 are correspondingly arranged on the lower cover 2, and screws penetrate through the upper fixing columns 14 and the lower fixing columns 28 to fix the upper cover 1, the lower cover 2 and the motor together. In addition, in order to facilitate the alignment assembly of the upper fixing column 14 and the lower fixing column 28, the upper positioning column 13 is arranged on the upper cover 1, and the height of the positioning column 13 is lower, so that the bottom plane of the upper cover 1 is asymmetric, and the upper cover 1 is prevented from being reversely assembled in the process of assembling the upper cover 1 on the lower cover 2, and meanwhile, the positioning column 13 is a threaded column, so that the upper cover 1 can be more firmly fixed with the lower cover 2; be equipped with on lower cover 2 and be the location hole post 26 of screw thread post, location hole post 26 cooperates with reference column 13 in order to provide upper cover 1 and fix a position on lower cover 2 to make things convenient for lower cover 2 and upper cover 1 to assemble.

In addition, two supporting plates 15 are distributed on the side surface of the upper cover 1, and the sponge is conveniently fixed through the two supporting plates 15. Motor cover fixing columns 16 are symmetrically distributed at the top end of the upper cover 1, and a motor assembly can be conveniently fixed on a main machine of the dust collector through the motor cover fixing columns 16. Two outer buckles 21 are symmetrically distributed on the outer side surface of the annular side wall of the lower cover 2, and the motor assembly can be fixed on a main machine of the dust collector through the two outer buckles 21.

At least 2 fixing rings 23 are arranged on the annular side wall of the lower cover 2, transverse fixing columns 63 are respectively arranged on the lower fixing frame 6 corresponding to each fixing ring 23, and screws penetrate through the fixing rings 23 to be screwed with the transverse fixing columns 63 so that the lower fixing frame 6 is fixedly connected with the lower cover 2. Moreover, a plurality of inner buckles 22 are arranged on the inner side surface of the annular side wall of the lower cover 2, fixing buckles 62 are respectively arranged on the periphery of the lower fixing frame 6 corresponding to the inner buckles 22 in an upward protruding manner, the lower fixing frame 6 is buckled and connected with the inner buckles 22 through the fixing buckles 62, and the lower fixing frame 6 and the lower cover 2 are connected in a fixing manner in an auxiliary manner. Moreover, the lower end part of the annular side wall of the lower cover 2 is provided with a positioning groove 24, the side wall of the lower fixing frame 6 is provided with a positioning block 67 protruding upwards, in the process of assembling the lower cover 2 with the lower fixing frame 6, when the positioning block 67 is aligned and inserted into the positioning groove 24, each fixing ring 23 is aligned with the position of one transverse fixing column 63, and each fixing buckle 62 is aligned with one inner buckle 22, so that the motor component is conveniently positioned and assembled. In addition, the lower end of the lower fixing frame 6 is provided with a convex ring 64.

The rubber mat support 5 comprises a circular ring body 51 with a support through hole 501 in the middle, and the circular ring body 51 is supported on the lower side surface of the sealing body of the sealing rubber mat 4, so that the air suction opening 322 of the dust collector motor 3 sequentially passes through the air inlet through hole 40, the support through hole 501 and the air inlet groove 60 of the lower fixed frame 6 to form a sealed air inlet channel.

Specifically, the inner ring of the ring body 51 is provided with a first support ring 511 protruding upwards; the air inlet through hole 40 is arranged by extending downwards from the sealing body, and an inverted L-shaped sealing end part 42 is formed at the junction of the air inlet through hole 40 and the sealing body; the first support ring 511 is supported at the sealing end 42 of the sealing rubber 4 to form a primary seal for the air inlet passage through the sealing rubber 4, so that the support through hole 501 is communicated with the air inlet 322 of the cleaner motor 3 through the air inlet through hole 40.

The outer ring of the circular body 51 is provided with a second support ring 512 protruding upwards, the second support ring 512 is supported on the lower side surface of the sealing body, so that the sealing body is pressed on the lower side surface of the fan 32, and a second-stage sealing is formed on the air inlet channel through the sealing rubber gasket 4.

The peripheral side edge of the sealing body of the sealing rubber gasket 4 extends upwards to form a sealing flange 41, and the sealing flange 41 is pressed between the annular side wall of the lower cover 2 and the fan 32 by adopting a side surface for sealing, so that a third-stage seal is formed on the air inlet channel through the sealing rubber gasket 4. Therefore, the three-stage sealing is adopted for the air inlet channel to ensure the sealing reliability, so that the sucked air cannot leak, and the motor assembly can be ensured to have stable and reliable suction.

In addition, the lower side surface of the circular ring body 51 is a slope, so that the space of the bracket through hole 501 gradually increases from top to bottom. This scheme lets lower mount 6 adopt the inlet chute 60 that the size is greater than inlet scoop 322 of dust catcher motor 3 to provide the realization condition, adopts the great inlet chute 60 of size to inhale the air more easily, and inspiratory air leads to inlet scoop 322 through the downside of ring body 51, not only can guarantee the inspiratory capacity in order to ensure that motor element provides sufficient suction, thereby can also make the noise that the inspiratory air flows more smoothly production in inlet channel simultaneously less.

A fixing part 52 is arranged on the outer side surface of the circular ring body 51, and a fixing hole 521 is arranged on the fixing part 52; the lower fixing frame 6 is provided with a bracket fixing post 61, and a screw passes through the fixing hole 521 and is screwed on the bracket fixing post 61 to fix the rubber mat bracket 5 on the lower fixing frame 6, so as to ensure that the rubber mat bracket 5 cannot move and ensure that the rubber mat bracket 5 stably and reliably supports the sealing rubber mat 4.

In order to further improve the structural firmness of the cushion support 5 fixed on the lower fixing frame 6, the bottom end surface of the ring body 51 is provided with a limiting groove 513, a limiting ring 68 is convexly arranged on the lower fixing frame 6 around the air inlet groove 60, and the limiting ring 68 is inserted into the limiting groove 513 to realize clamping limitation, so that the cushion support 5 cannot move relative to the lower fixing frame 6.

Two grooves with different sizes are symmetrically distributed on the side surface of the lower fixing frame 6 to form a lower bracket limiting groove 66, so that the motor component can be conveniently positioned when being arranged in a shell of the dust collector. In the side of lower mount 6, the equipartition has 3 the dirt cup fixed blocks 65 of equidimension, and the dirt cup of the dust catcher of being convenient for passes through dirt cup fixed block 65 detachable and installs to the below of mount 6 under, makes the inspiratory air of motor element filter the realization dust absorption cleanness through the filter in the dirt cup earlier.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A motor assembly for a dust collector comprises an upper housing, a dust collector motor and a lower fixing frame, wherein the dust collector motor comprises a motor and a fan connected with the lower tail end of the motor, an air suction port is formed in the lower side surface of the fan, and an air exhaust port is formed in the upper side surface of the fan; the air inlet structure is characterized by further comprising a sealing rubber mat and a rubber mat support provided with an air inlet groove, the sealing rubber mat, the rubber mat support and the lower fixing frame are sequentially arranged below the fan from top to bottom, and the lower fixing frame is fixedly connected with the upper cover shell so that the sealing body of the sealing rubber mat is tightly pressed on the lower side surface of the fan by the rubber mat support, and a sealed air inlet channel is formed between an air suction opening of the fan and the air inlet groove of the lower fixing frame.

2. The motor assembly for a vacuum cleaner as claimed in claim 1, wherein the upper casing is composed of a lower cover and an upper cover, the upper cover is provided with a body groove, the lower cover comprises a cover body provided with a circular groove at the middle part and an annular side wall arranged below the cover body; the upper cover is fixedly connected with the cover body of the lower cover, the upper end of the motor penetrates through the circular groove and then is limited in the machine body groove, and the fan is accommodated in the annular side wall of the lower cover.

3. The motor assembly for the vacuum cleaner as claimed in claim 2, wherein a plurality of support plates are uniformly distributed on the side wall of the machine body groove to limit the motor; a plurality of L-shaped supporting plates are circumferentially distributed on the lower surface of the cover body of the lower cover to limit the fan.

4. The motor assembly for a vacuum cleaner as claimed in claim 2, wherein at least 2 fixing rings are provided on the annular sidewall of the lower cover, and a transverse fixing post is provided on the lower fixing frame corresponding to each fixing ring, and the lower fixing frame is fixedly coupled to the lower cover by a screw passing through the fixing ring and being screwed with the transverse fixing post;

5. The motor assembly for a vacuum cleaner as claimed in claim 4, wherein a positioning groove is formed at a lower end portion of the annular side wall, and the side wall of the lower fixing frame has a positioning block protruding upwards; when the positioning block is aligned to the insertion positioning groove, the fixing ring is aligned with the transverse fixing column, or/and the fixing buckle is aligned with the inner buckle.

6. The motor assembly for a vacuum cleaner as claimed in any one of claims 1 to 5, wherein the sealing rubber gasket includes a sealing body and an air inlet through hole extending downward from the sealing body; the cushion support includes that the middle part has the ring body of support through-hole, and the ring body supports at sealed body downside to the inlet scoop that makes the dust catcher motor loops through between the air inlet duct of air inlet through-hole, support through-hole and lower mount forms sealed inlet channel.

7. The motor assembly for the vacuum cleaner as claimed in claim 5, wherein the annular body has a first support ring protruding upward at an inner annular portion thereof, the first support ring being supported at a junction of the air inlet through hole and the sealing body to form a primary seal with the air inlet passage; the outer ring of the circular ring body is provided with a second supporting ring which is arranged in an upward protruding mode, and the second supporting ring is supported on the lower side face of the sealing body to form second-stage sealing on the air inlet channel.

8. The motor assembly of claim 7, wherein the peripheral side edge of the sealing body extends upwardly to form a sealing flange, the sealing flange being compressed between the lower cover and the fan to form a third level of seal against the air intake passage.

9. The motor assembly for a vacuum cleaner as claimed in claim 6, wherein the lower side of the ring body is sloped such that the through hole of the bracket is gradually enlarged from the top to the bottom.

10. The motor assembly as claimed in claim 6, wherein the ring body is fixed to the lower holder, and a bottom surface of the ring body is provided with a limiting groove, and a limiting ring is protruded around the air inlet groove on the lower holder and is inserted into the limiting groove.