CN218733638U

CN218733638U - Flexible noise-reducing and shock-absorbing device for motor

Info

Publication number: CN218733638U
Application number: CN202222959120.7U
Authority: CN
Inventors: 唐芳义
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-24
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a flexible noise-reducing and shock-absorbing device for a motor, which comprises a volute component and a motor component arranged at the inner side of the volute component, wherein two volute air inlets which are arranged oppositely and a fixing frame which is arranged corresponding to the volute air inlets are arranged at two sides of the volute component, the two fixing frames are used for respectively erecting the axial two ends of the motor component, and a flexible shock-absorbing block for reducing noise is arranged between the axial two ends of the motor component and the two fixing frames; the mode of the fixed motor element axial both ends of mount of both sides makes motor element rock the range diminish when the operation, has improved motor element's stationarity, secondly just lean on the rigid collision between mount and the motor element and rock the range and the noise that produces still very big, but because the flexible piece of shock attenuation is flexible material, can absorb the motor element and rock the energy that produces when the operation is rocked, the flexonics between motor element and the spiral case subassembly has been realized, vibration and the noise that produces because unstable between them have been reduced.

Description

Flexible noise-reducing and shock-absorbing device for motor

[ technical field ] A method for producing a semiconductor device

The application relates to the technical field of range hoods, in particular to a flexible noise-reducing and shock-absorbing device for a motor.

[ background of the invention ]

The traditional motor adopts the mode that the single end of a motor shaft is fixed, the other end uses the fixed single end as a rotating center and rotates continuously around the rotating center in the application process, but the stability between the single end and the motor accessory connected with the single end is low in the mode, and the shaking amplitude of the motor shaft is overlarge, so that the vibration generated between the single end and the motor accessory connected with the single end is large, the generated noise is also large, and the motor capable of reducing noise and absorbing vibration is urgently needed.

[ summary of the invention ]

The utility model discloses a damping device that makes an uproar falls in motor flexibility to solve the big and big problem of noise of vibrations that traditional motor produced.

In order to solve the above problem, the utility model provides a following scheme:

the utility model provides a damping device that makes an uproar falls in motor flexibility, includes the spiral case subassembly and locates the inboard motor element of spiral case subassembly, spiral case subassembly both sides be equipped with relative two spiral case air intakes that set up and with the spiral case air intake corresponds the mount that sets up, two the mount is used for erectting respectively motor element's axial both ends, just motor element axial both ends and two all be equipped with the flexible piece of shock attenuation that is used for making an uproar to fall between the mount.

According to the flexible noise-reducing and shock-absorbing device for the motor, the shock-absorbing flexible block is made of the silica gel material.

According to the flexible noise-reducing and shock-absorbing device for the motor, the fixing frame comprises three connecting supports which are connected with each other, one end of each connecting support is connected with the volute component, and the other end of each connecting support is connected with the other two adjacent connecting supports.

According to the flexible noise-reducing and shock-absorbing device for the motor, the end, away from the volute component, of the connecting bracket is provided with the arc plates, and the three arc plates are connected end to form the fixing through hole for sleeving the flexible shock-absorbing block.

According to the flexible noise-reducing and shock-absorbing device for the motor, one side, away from the motor assembly, of the arc plate is provided with the positioning concave portion which is concave towards the side of the fixing through hole, and the circumferential direction of the shock-absorbing flexible block is provided with the positioning groove which is correspondingly arranged with the positioning concave portion.

According to the flexible noise-reducing and shock-absorbing device for the motor, the fixed rods are arranged at two axial ends of the motor assembly in an extending mode, and the two flexible shock-absorbing blocks are respectively sleeved at two ends of the fixed rods.

According to the flexible noise-reducing and shock-absorbing device for the motor, the connecting shaft sleeve clamped with the shock-absorbing flexible block is sleeved on the fixed rod.

As above a damping device that makes an uproar falls in motor flexibility, the connecting sleeve includes three joint key that each other becomes certain angle, the middle part of flexible piece of shock attenuation is equipped with the joint hole, the joint hole including respectively with every the joint groove of establishing is inlayed in the cooperation of joint key.

According to the flexible noise-reducing and shock-absorbing device for the motor, the middle part of the fixing rod is annularly provided with the cylindrical shell, and the cylindrical shell rotates on the fixing rod through the arrangement of the two bearings.

According to the flexible noise-reducing and shock-absorbing device for the motor, the inner side of the volute component is provided with the wind wheel connected with the motor component, and the wind wheel is circumferentially provided with the plurality of blades.

Compared with the prior art, the method has the following advantages:

the utility model discloses a fixed motor element axial both ends of mount of spiral case subassembly both sides, compare in single-ended rotation mode, both ends rotation mode motor element axial both ends restrict each other, the range that makes motor element rock when the operation diminishes and improves the stationarity simultaneously, set up the flexible piece of shock attenuation simultaneously between mount and motor element, can absorb the energy that motor element produced when the operation rocks, the flexonics between motor element and the spiral case subassembly has been realized, vibration and noise because of not the stationarity produces between the two have been reduced.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a perspective view of the entire structure in the present embodiment;

FIG. 2 is an exploded view of the present device in this embodiment, taken in the axial direction of the wind wheel;

FIG. 3 is a perspective view of the present embodiment with the volute assembly and rotor hidden;

fig. 4 is an exploded view of the present embodiment in an axial direction of the fixing rod based on the overall structure of fig. 3;

fig. 5 is a sectional view of the motor assembly in the present embodiment;

FIG. 6 is a right side view of the overall structure of FIG. 1 in the present embodiment;

FIG. 7 isbase:Sub>A sectional view taken along the line A-A of FIG. 6 in the present embodiment;

FIG. 8 is a bottom view of the overall structure of FIG. 1 in this embodiment;

fig. 9 is a sectional view taken along the direction B-B of fig. 8 in the present embodiment.

[ detailed description ] embodiments

In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

When embodiments of the present invention refer to the ordinal numbers "first", "second", etc., it should be understood that the terms are used for distinguishing only when they do express the ordinal order in context. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1-9, a flexible noise-reducing and vibration-reducing device for a motor includes a volute component 1 and a motor component 5 disposed inside the volute component 1, two volute air inlets 11 disposed on two sides of the volute component 1 and fixing frames 6 disposed corresponding to the volute air inlets 11, wherein the two fixing frames 6 are used for respectively erecting two axial ends of the motor component 5, and flexible vibration-reducing blocks 7 for reducing noise are disposed between the two axial ends of the motor component 5 and the two fixing frames 6.

In this embodiment, the utility model discloses a 6 fixed motor element axial both ends of mount of 1 both sides of spiral case subassembly and add between mount 6 and motor element 5 and have the flexible piece 7 of shock attenuation, the mode at 6 fixed motor element 5 axial both ends of mount of both sides is different from single-ended fixed, the other end is rotatory round the rotatory mode of single-ended, 5 axial both ends of motor element restrict each other, just make the range that motor element 5 rocked when the operation diminishes, the stationarity of motor element 5 has been improved, secondly only lean on the rigid collision between mount and the motor element and the range that rocks and the noise that produces are still very big, but because the flexible piece 7 of shock attenuation is flexible material, can absorb the energy that motor element 5 produced when the operation rocks, the flexonics between motor element 5 and spiral case subassembly 1 has been realized, vibration and noise that produce because they are not steady have been reduced between them.

Further, the flexible piece 7 of shock attenuation is the silica gel material, has realized the flexonics between rotator and the spiral case, has effectively solved the wind wheel stationarity problem, has reduced unstable and the vibration and the noise that produce.

In this embodiment, the motor assembly 5 includes stator assembly 51 and rotates the setting and is in rotor assembly 52 on the stator assembly 51, stator assembly 51 is including rotating the dead lever 511 that is equipped with rotor assembly 52, two are erect at the axial both ends of dead lever 511 on the mount 6, when rotor assembly 52 is rotating, dead lever 511 is rocked along with the influence of rotor assembly 52, and the flexible piece 7 of shock attenuation of silica gel material has fine shock attenuation effect in the range of rocking of slowing down the dead lever.

In this embodiment, the rotational speed of wind wheel is big more, and the noise of production also can be big more, can make the rotational speed of wind wheel reduce through the diameter that increases the wind wheel, but will keep the moment of torsion that big amount of wind just must increase motor element, and rotate the setting just can increase motor element's moment of torsion on stator module's the outside through the rotor subassembly that sets up inboard and be connected with the wind wheel at the wind wheel, has also reached the effect of low noise when keeping the amount of wind equally big.

Further, the fixing frame 6 includes three connecting brackets 61 connected to each other, one end of each connecting bracket 61 is connected to the volute assembly 1, and the other end of each connecting bracket 61 is connected to two adjacent connecting brackets 61.

In the present embodiment, the angle between every two adjacent connecting brackets 61 is 120 °, so that the connection relationship between the fixed frame 6 and the volute component 1 is more stable.

Furthermore, one end of the connecting bracket 61, which is far away from the volute component 1, is provided with an arc plate 611, and the three arc plates 611 are connected end to form a fixing through hole 612 which is sleeved with the damping flexible block 7, so that the connection between the damping flexible block 7 and the fixing rod 511, and between the damping flexible block 7 and the fixing frame 6 is more stable.

Furthermore, a positioning concave part 613 which is concave towards the fixing through hole 612 is arranged on one side of the circular arc plate 611 far away from the motor assembly 5, and a positioning groove 71 which is arranged corresponding to the positioning concave part 613 is arranged on the circumferential direction of the shock absorption flexible block 7.

In this embodiment, the positioning recess 613 and the positioning groove 71 are cooperatively installed to position the fixing rod 511 and prevent the fixing rod 511 from falling off from the fixing through hole 612, because the fixing rod 511 is also affected by the shaking generated when the rotor assembly 52 rotates, so that the fixing rod 511 is easy to fall off.

Further, the two axial ends of the motor assembly 5 extend to form fixing rods 511, and the two damping flexible blocks 7 are respectively sleeved at the two ends of the fixing rods 511.

Further, the fixing rod 511 is sleeved with a connecting shaft sleeve 8 which is connected with the damping flexible block 7 in a clamping manner.

In this embodiment, the connection sleeve 8 can make the connection between the shock-absorbing flexible block 7 and the fixing rod 511 more stable.

Further, the connecting shaft sleeve 8 comprises three clamping keys 80 which form a certain angle with each other, the middle part of the damping flexible block 7 is provided with a clamping hole 72, and the clamping hole 72 comprises a clamping groove 73 which is matched with each clamping key 80 to be embedded.

In this embodiment, a connecting through hole for connecting the fixing rod 511 is formed in a surface, away from the flexible damping block 7, of the connecting shaft sleeve 8, an angle between every two adjacent clamping keys 80 is 120 °, and the clamping grooves 73 can be matched to enable the fixing rod to be more effectively connected with the flexible damping block 7.

Further, a cylindrical housing 521 is annularly provided at the middle of the fixing rod 511, and the cylindrical housing 521 rotates on the fixing rod 511 by being provided with two bearings 53.

In this embodiment, the bearing 53 is divided into an inner ring, an outer ring and balls disposed therebetween, the inner ring is connected to the fixing rod 511 of the stator assembly 51, the outer ring is connected to the cylindrical housing 521 of the rotor assembly 52, and the balls are disposed such that the cylindrical housing 521 can rotate relative to the fixing rod 5111.

Further, a wind wheel 2 connected with the motor assembly 5 is arranged on the inner side of the volute assembly 1, and a plurality of blades 21 are arranged on the circumference of the wind wheel 2.

In this embodiment, the wind wheel 2 is circumferentially provided with a plurality of blades 21 which are bent along the same angle, so that the blades 21 have good pressure surface and suction surface shapes, thereby effectively avoiding noise caused by flow separation generated by fluid in an air duct, and reasonably solving the contradiction relationship among air volume, static pressure and noise.

The utility model discloses a theory of operation as follows:

the utility model discloses a 6 fixed motor element axial both ends of mount of 1 both sides of spiral case subassembly and add between mount 6 and motor element 5 and have shock attenuation flexible piece 7, the mode at 6 fixed motor element 5 axial both ends of mount of both sides is different from single-ended fixed, the other end is rotatory round the rotatory mode of single-ended, 5 axial both ends of motor element restrict each other, just make the range that motor element 5 rocked when the operation diminishes, the stationarity of motor element 5 has been improved, secondly only lean on the rigid collision between mount and the motor element and the range that rocks and the noise that produces still very big, but because shock attenuation flexible piece 7 is flexible material, can absorb the energy that motor element 5 produced when the operation rocks, the flexonics between motor element 5 and spiral case subassembly 1 has been realized, the vibration and the noise that produce because not steady between them have been reduced and between them are very big

The foregoing is illustrative of one embodiment provided in connection with the detailed description and is not intended to limit the disclosure to the particular embodiments described. Similar or identical methods, structures, etc. as used herein, or several technical deductions or substitutions made on the premise of the idea of the present application, should be considered as the protection scope of the present application.

Claims

1. The utility model provides a damping device that makes an uproar falls in motor flexibility, its characterized in that includes spiral case subassembly (1) and locates spiral case subassembly (1) inboard motor element (5), spiral case subassembly (1) both sides be equipped with relative two spiral case air intakes (11) that set up and with spiral case air intake (11) correspond mount (6) that set up, two mount (6) are used for erectting respectively the axial both ends of motor element (5), just motor element (5) axial both ends and two all be equipped with between mount (6) and be used for falling the flexible piece (7) of shock attenuation of making an uproar.

2. The flexible noise-reducing and shock-absorbing device for the motor according to claim 1, wherein the flexible shock-absorbing block (7) is made of silica gel.

3. A flexible noise and vibration reduction device for motor according to claim 1, wherein said fixing frame (6) comprises three connecting brackets (61) connected with each other, one end of said connecting bracket (61) is connected with said volute assembly (1), and the other end is connected with two other adjacent connecting brackets (61).

4. The flexible noise-reducing and shock-absorbing device for the motor is characterized in that one end, away from the volute component (1), of the connecting bracket (61) is provided with an arc plate (611), and the three arc plates (611) are connected end to form a fixing through hole (612) for sleeving the flexible shock-absorbing block (7).

5. The flexible noise and vibration reduction and absorption device for the motor is characterized in that one side, away from the motor component (5), of the circular arc plate (611) is provided with a positioning concave part (613) which is concave towards the fixing through hole (612), and the flexible vibration absorption block (7) is circumferentially provided with a positioning groove (71) which is arranged corresponding to the positioning concave part (613).

6. The flexible noise-reducing and shock-absorbing device for the motor is characterized in that fixing rods (511) extend from two axial ends of the motor assembly (5), and two flexible shock-absorbing blocks (7) are respectively sleeved at two ends of the fixing rods (511).

7. The flexible noise-reducing and shock-absorbing device for the motor is characterized in that a connecting shaft sleeve (8) clamped with the flexible shock-absorbing block (7) is sleeved on the fixing rod (511).

8. The flexible noise-reducing and shock-absorbing device for the motor is characterized in that the connecting shaft sleeve (8) comprises three clamping keys (80) which form a certain angle with each other, a clamping hole (72) is formed in the middle of the flexible shock-absorbing block (7), and each clamping hole (72) comprises a clamping groove (73) which is matched and embedded with each clamping key (80).

9. The flexible noise and vibration reduction device for the motor is characterized in that a cylindrical shell (521) is arranged around the middle part of the fixing rod (511), and the cylindrical shell (521) rotates on the fixing rod (511) through two bearings (53).

10. The flexible noise and vibration reduction device for the motor is characterized in that a wind wheel (2) connected with the motor assembly (5) is arranged on the inner side of the volute assembly (1), and a plurality of blades (21) are arranged on the circumference of the wind wheel (2).