CN219893092U - Motor assembly with shock absorption and noise reduction functions and dust collector - Google Patents

Abstract

The utility model relates to a motor component with vibration and noise reduction functions and a dust collector, wherein the motor component comprises a motor cover which is connected with a machine body and provided with a cover cavity, and a motor arranged in the cover cavity, wherein the motor cover forms an inserting channel which extends up and down from the bottom, the motor is inserted into the inserting channel from the lower end part, and the lower end surface of the motor is arranged in a suspending manner; the motor assembly further includes a buffering member suspended on the body by the buffering member, and the buffering member is synchronously deformed and generates a buffering force in an up-down direction and a circumferential direction in a movement of the motor housing relative to the body. The motor assembly is in a hanging state, vibration in the up-down direction and the circumferential direction generated by the operation of the motor can be effectively weakened under the cooperation of the buffer component, vibration sense and noise generated by the vibration of the motor are effectively reduced, the working texture of the dust collector is improved, and therefore the use experience of a user is improved.

Description

Motor assembly with shock absorption and noise reduction functions and dust collector

Technical Field

The utility model belongs to the field of dust collectors, and particularly relates to a motor assembly with a damping and noise reducing function, and a dust collector.

Background

As is well known, a common dust collector on the market generally comprises a power supply, a dust collection assembly and a motor assembly, wherein the dust collection assembly generates suction and realizes dust collection under the operation of the motor assembly.

Currently, existing motor assemblies generally include a motor housing coupled to a body, and a motor mounted within the motor housing.

However, because the machine body, the motor cover and the motor are all in hard fit, in the actual use process, the internal components of the motor in the existing motor assembly can generate stronger vibration sense (caused by the fact that centrifugal force and axial force generated by the motor drive the relative motion between the machine body and the motor cover in the up-down direction and the circumferential direction), the problem that the connecting components on the dust collector are loosened and damaged is easily caused by long-term use, and meanwhile, the motor is vibrated with great noise, so that the use experience of users is very influenced.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing an improved motor assembly with the functions of shock absorption and noise reduction.

Meanwhile, the utility model also provides a dust collector.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the motor component with the functions of shock absorption and noise reduction comprises a motor cover connected with a machine body and provided with a cover cavity, and a motor arranged in the cover cavity, wherein the motor cover forms an inserting channel extending up and down from the bottom, the motor is inserted into the inserting channel from the lower end part, and the lower end surface of the motor is arranged in a suspending manner; the motor assembly further includes a buffering member suspended on the body by the buffering member, and the buffering member is synchronously deformed and generates a buffering force in an up-down direction and a circumferential direction in a movement of the motor housing relative to the body.

Preferably, the buffer component comprises a first buffer piece, wherein the first buffer piece is an annular elastic piece, and the central lines of the first buffer piece, the machine body and the motor cover are overlapped. Here, the first bolster forms the buffer force in last motor cover vibrations and distributes evenly, is favorable to improving equipment stability in use.

Specifically, an upper through hole is formed in the center of the top of the machine body, and a lower through hole communicated with the cover cavity is formed in the center of the top of the motor cover; an upper annular groove and a lower annular groove are formed on the first buffer piece, the machine body is inserted into the upper annular groove from the edge of the upper through hole, and the motor cover is inserted into the lower annular groove from the edge of the lower through hole; the part of the first buffer piece located between the upper annular groove and the lower annular groove is folded. The buffer stroke is long, so that the shock absorption effect is improved; meanwhile, the installation and the disassembly are simple.

According to a specific and preferred aspect of the utility model, the first buffer element forms a sealing connection from the bottom, wherein the sealing connection is inserted into the housing cavity and abuts between the motor and the inner wall of the motor housing. The motor is prevented from colliding with the inner wall of the motor housing during vibration.

Preferably, the sealing connection portion is further formed with a plurality of protrusions protruding outwards and spaced apart from each other in a circumferential direction. Here, the friction force is raised to cancel the centrifugal force effect generated at the moment of starting the motor.

Preferably, the machine body is provided with a connecting cavity, wherein the bottom of the connecting cavity is opened, and a plurality of connecting columns are fixedly arranged in the circumferential direction of the connecting cavity; the motor cover comprises a cover body and a motor pressing seat arranged at the bottom of the cover body, wherein an inserting channel is formed on the motor pressing seat, and when the motor is supported on the motor pressing seat, the lower end part of the motor is inserted in the inserting channel; the outer wall of cover body is equipped with a plurality of engaging lugs, and the upper end of motor cover upwards inserts the connection chamber, and a plurality of engaging lugs and a plurality of spliced pole one-to-one are connected.

According to a further specific and preferred aspect of the utility model, the damping element further comprises a plurality of second damping elements, wherein each second damping element is arranged one-to-one between each connecting post and the connecting lug. Here, damping between the machine body and the motor housing in the circumferential direction and in the up-down direction is achieved.

Preferably, the middle part of each connecting lug is provided with a central hole which is penetrated up and down, and the bottom surface is provided with an upward concave inserting groove; the second buffer part comprises a buffer connection part matched with the central hole and an inserting part matched with the inserting groove, wherein the buffer connection part is inwards sunken from one end face and forms the connecting groove, the inserting part is inserted in the inserting groove during installation, the buffer connection part penetrates out of the central hole from bottom to top, a pressing plate is arranged at the bottom of the inserting part and/or the buffer connection part, the pressing plate is fixedly connected with the connecting lug through a bolt part, and the connecting column is inserted in the connecting groove and is suspended from the lower end face. Here, the shock absorbing effect of the body is improved.

Further, a plurality of protruding ribs are further arranged on the circumference of each connecting column, and when the connecting columns are inserted into the corresponding connecting grooves, the protruding ribs are abutted against the end faces of the corresponding buffer connecting portions. Here, the support of the fuselage is improved.

The utility model also provides a dust collector, which comprises a power supply, a dust collection assembly and the motor assembly.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

the motor component adopted by the utility model comprises a motor cover and a buffer component connected between a machine body and the motor cover, wherein the motor is arranged in a cover cavity of the motor cover and is suspended in an inserting channel at the bottom of the motor cover from the lower end surface, and when the motor is in operation, vibration generated by the motor can be counteracted by buffer force in the up-down direction and the circumferential direction generated by deformation of the buffer component.

Drawings

The utility model will now be described in further detail with reference to the drawings and to specific examples.

FIG. 1 is a schematic diagram of a motor assembly with vibration and noise reduction according to the present utility model;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an enlarged schematic view of the fuselage of FIG. 2 from another perspective;

FIG. 4 is a schematic bottom view of a motor assembly with vibration and noise reduction according to the present utility model;

FIG. 5 is a schematic cross-sectional view of A-A of FIG. 4;

wherein: s, a machine body; q 1, connecting cavities; z, connecting columns; j. convex ribs; k0, upper through hole;

1. a motor cover; 10. a cover body; a1, upper split; a2, lower split; q2, a cover cavity; k1, a lower through hole; e. a connecting lug; k2, a central hole; c2, inserting grooves; 11. a motor pressing seat; t, inserting a channel;

2. a motor;

3. a buffer member; 31. a first buffer member; c0, upper annular groove; c1, a lower annular groove; 310. sealing the connecting part; b. a protrusion; 32. a second buffer member; 320. a buffer connection portion; c3, a connecting groove; 321. a plug-in part; 322. and (5) pressing plates.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature. It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 5, the vacuum cleaner according to the present embodiment includes a power source, a dust collection assembly, and a motor assembly, wherein the power source and the dust collection assembly may be any conventional power source and dust collection assembly, and the motor assembly includes a motor housing 1, a motor 2, and a buffer member 3, wherein the motor housing 1 is suspended on a body S by the buffer member 3, and the motor 2 is installed in the motor housing 1, which will not be described herein.

Specifically, a connecting cavity q 1 is formed in the machine body S, the bottom of the connecting cavity q 1 is opened, the motor cover 1 comprises a cover body 10 and a motor pressing seat 11 arranged at the bottom of the cover body 10, a cover cavity q2 is formed in the cover body 10, the cover body 10 is inserted into the connecting cavity q 1 from the upper end part, the machine body S is relatively supported on the cover body 10, and the motor pressing seat 11 forms an inserting channel t extending up and down; the motor 2 is a standard component, when the motor 2 is installed in the cover cavity q2, the motor 2 is supported on the motor pressing seat 11 and is inserted into the inserting channel t from the lower end part, wherein the lower end surface of the motor 2 is arranged in a suspending manner; the buffer member 3 includes a first buffer 31 and a second buffer 32 connected between the body S and the motor housing 1, and the buffer member 3 is synchronously deformed and generates a buffer force in the up-down direction and the circumferential direction in the movement of the motor housing 1 relative to the body S.

In this example, an upper through hole k0 is formed in the center of the top of the body S; the cover body 10 is composed of an upper split body a1 and a lower split body a2 which are detachably connected, and a lower through hole k 1 communicated with the cover cavity q2 is formed in the center of the top of the cover body 10; the first buffer member 31 is an annular elastic member (soft rubber pad), an upper annular groove c0 and a lower annular groove c 1 are formed on the first buffer member 31, a part of the first buffer member 31 between the upper annular groove c0 and the lower annular groove c 1 is folded, when the motor cover 1 is inserted into the lower annular groove c 1 from the edge of the upper through hole k0 and the upper through hole k0 is inserted into the upper annular groove c0, wherein the central lines of the first buffer member 31, the motor cover S and the motor cover 1 are overlapped; the first buffer member 31 further forms a sealing connection portion 310 from the bottom, wherein the sealing connection portion 310 is inserted into the housing cavity q2 and abuts against between the motor 2 and the inner wall of the motor housing 1, and a plurality of protrusions b protruding outwards and distributed at intervals are further formed in the circumferential direction of the sealing connection portion 310.

In this example, three connection posts z distributed in a circumferential array are fixedly arranged on the circumferential direction of the inner wall of the connection cavity q 1, three connection lugs e are arranged on the outer wall of the cover body 10, the three connection lugs e and the three connection posts z are connected in a one-to-one correspondence manner, and the second buffer piece 32 is three and correspondingly arranged between each connection post z and each connection lug e.

Specifically, a central hole k2 penetrating up and down is formed in the middle of each connecting lug e, and an upward concave inserting groove c2 is formed in the bottom surface; the second buffer member 32 includes a buffer connection portion 320 matching the central hole k2 and an insertion portion 321 matching the insertion slot c2, wherein the buffer connection portion 320 is recessed inward from one end face and forms a connection slot c3, when in installation, the insertion portion 321 is inserted into the insertion slot c2, the buffer connection portion 320 penetrates out of the central hole k2 from bottom to top, and the insertion portion 321 and/or the buffer connection portion 320 are fixedly connected with the connection lug e through a bolt member, and the connection column z is inserted into the connection slot c3 and suspended from the lower end face.

In addition, for convenience of implementation, the buffer connection portion 320 and the plug portion 321 are integrally formed (made of soft rubber), and the second buffer member 32 further includes a pressing plate 322 disposed at bottoms of the buffer connection portion 320 and the plug portion 321, where the pressing plate 322 relatively fixes the buffer connection portion 320 and the plug portion 321 on the connection lug e through a bolt member; three convex ribs j protruding outwards are arranged on the upper portion of each connecting column z in the circumferential direction, and when the connecting columns z are inserted into the corresponding connecting grooves c3, the three convex ribs j are abutted against the end faces of the corresponding buffer connecting portions 320.

In summary, the motor assembly adopted by the utility model, the motor cover comprises the machine body, the motor cover and the buffer component connected between the machine body and the motor cover, wherein the motor is arranged in the cover cavity of the motor cover and is inserted into the inserting channel at the bottom of the motor cover in a suspending way from the lower end surface, and when in operation, the vibration generated by the motor can be counteracted by the buffer force in the up-down direction and the circumferential direction generated by the deformation of the buffer component, therefore, compared with the prior art, the motor assembly is in a suspension state, the vibration in the up-down direction and the circumferential direction generated by the operation of the motor can be effectively weakened under the cooperation of the buffer component, the vibration sense and the noise generated by the vibration of the motor can be effectively reduced, the operation texture of the dust collector can be improved, and the use experience of a user can be improved.

The present utility model has been described in detail with the purpose of enabling those skilled in the art to understand the contents of the present utility model and to implement the same, but not to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The utility model provides a motor assembly with shock attenuation, noise reduction function, its includes the motor cover that is connected and has the cover chamber with the fuselage, sets up the motor in cover intracavity, its characterized in that: the motor cover forms a plugging channel extending up and down from the bottom, the motor is plugged into the plugging channel from the lower end part, and the lower end surface of the motor is arranged in a suspending manner; the motor assembly further includes a buffering member, the motor housing is suspended on the body by the buffering member, and the buffering member is synchronously deformed and generates buffering force in an up-down direction and a circumferential direction in a movement of the motor housing relative to the body.

2. The motor assembly with vibration and noise reduction according to claim 1, wherein: the buffer component comprises a first buffer piece, wherein the first buffer piece is an annular elastic piece, and the central lines of the first buffer piece, the machine body and the motor cover are overlapped.

3. The motor assembly with vibration and noise reduction function according to claim 2, wherein: an upper through hole is formed in the center of the top of the machine body, and a lower through hole communicated with the cover cavity is formed in the center of the top of the motor cover; an upper annular groove and a lower annular groove are formed on the first buffer piece, the machine body is inserted into the upper annular groove from the edge of the upper through hole, and the motor cover is inserted into the lower annular groove from the edge of the lower through hole; the part of the first buffer piece, which is positioned between the upper annular groove and the lower annular groove, is folded.

4. A motor assembly with vibration and noise reduction according to claim 3, wherein: the first buffer piece forms a sealing connection part from the bottom, wherein the sealing connection part is inserted into the cover cavity and is abutted between the motor and the inner wall of the motor cover.

5. The motor assembly with vibration and noise reduction according to claim 4, wherein: the circumference of the sealing connection part is also provided with a plurality of bulges which are outwards bulged and are distributed at intervals.

6. The motor assembly with vibration and noise reduction function according to any one of claims 1 to 5, wherein: the machine body is provided with a connecting cavity, wherein the bottom of the connecting cavity is opened, and a plurality of connecting columns are fixedly arranged in the circumferential direction of the connecting cavity; the motor cover comprises a cover body and a motor pressing seat arranged at the bottom of the cover body, wherein the motor pressing seat is provided with an inserting channel, and when the motor is supported on the motor pressing seat, the lower end part of the motor is inserted into the inserting channel; the outer wall of cover body is equipped with a plurality of engaging lugs, the upper end of motor cover upwards inserts the connecting chamber, just a plurality of engaging lugs with a plurality of spliced pole one-to-one is connected.

7. The motor assembly with shock absorbing and noise reducing function as defined in claim 6, wherein: the buffer component further comprises a plurality of second buffer pieces, wherein each second buffer piece is arranged between each connecting column and each connecting lug in a one-to-one correspondence mode.

8. The motor assembly with shock absorbing and noise reducing function as defined in claim 7, wherein: the middle part of each connecting lug is provided with a central hole which is penetrated up and down, and the bottom surface is provided with an upward concave inserting groove; the second buffer part comprises a buffer connecting part matched with the central hole and an inserting part matched with the inserting groove, wherein the buffer connecting part is inwards sunken from one end face and forms a connecting groove, during installation, the inserting part is inserted into the inserting groove, the buffer connecting part penetrates out of the central hole from bottom to top, a pressing plate is arranged at the bottom of the inserting part and/or the buffer connecting part, the pressing plate is fixedly connected with the connecting lug through a bolt part, and the connecting column is inserted into the connecting groove and is suspended from the lower end face.

9. The motor assembly with shock absorbing and noise reducing functions as defined in claim 8, wherein: each connecting column is also provided with a plurality of convex ribs in the circumferential direction, and when the connecting column is inserted in the corresponding connecting groove, the convex ribs are abutted against the corresponding end surfaces of the buffer connecting parts.

10. A dust catcher, its including power, dust absorption subassembly, its characterized in that: the vacuum cleaner further comprising the motor assembly of any one of claims 1 to 9.