CN209948861U

CN209948861U - Noise reduction device for shaded pole motor shaft

Info

Publication number: CN209948861U
Application number: CN201920824618.8U
Authority: CN
Inventors: 张其春; 林晓; 林慧煊
Original assignee: Fujian Fudeba Electromechanical Industrial Co Ltd
Current assignee: Fujian Fudeba Electromechanical Industrial Co Ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-01-14
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a device of shaded pole motor shaft of making an uproar falls, including the place ahead seal box and rear seal box, the rear seal box is located the rear surface of the place ahead seal box, the equal fixed mounting in both sides surface of the place ahead seal box has the place ahead retainer plate, the equal fixed mounting in both sides surface of rear seal box has the rear retainer plate, the upper surface and the equal fixed mounting in lower surface of place ahead retainer plate and rear retainer plate have fixed connection seat, fastening screw is installed to fixed connection seat's inboard screw thread, the inboard of place ahead retainer plate and rear retainer plate all is provided with fills the sponge. A device of shaded pole motor shaft of making an uproar falls, can fill hookup location's space when the device is installed on shaded pole motor, make the device totally sealed, the leakage of noise prevention can form double-deck space isolation noise, reduce noise frequency simultaneously, improve the effect of making an uproar falls in the device.

Description

Noise reduction device for shaded pole motor shaft

Technical Field

The utility model relates to a device field of making an uproar, in particular to device of shaded pole motor shaft of making an uproar falls.

Background

The device of the noise-reducing shaded pole motor shaft is a device for reducing noise generated by the rotation of the shaded pole motor shaft, is widely used in the use occasions of shaded pole motors, has a better use effect, and along with the continuous development of the society, the use requirements of people on the motors are gradually improved, and meanwhile, the requirements of the device of the noise-reducing shaded pole motor shaft are also gradually improved, but the existing device of the noise-reducing shaded pole motor shaft cannot meet the requirements of people, so that the device of the noise-reducing shaded pole motor shaft with a better noise-reducing effect is needed; when the device of the shaded pole motor shaft of making an uproar falls uses, can't be totally sealed install and fix on the motor, lead to the leakage of noise, improved the noise volume, simultaneously, the device only provides the sound insulation construction of individual layer, has lead to the noise reduction effect obvious inadequately.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a device of making an uproar shaded pole motor shaft falls can effectively solve unable totally enclosed in the background, the not obvious problem of noise reduction effect enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a device of a noise reduction shaded pole motor shaft comprises a front sealing box and a rear sealing box, wherein the rear sealing box is positioned on the rear surface of the front sealing box, front fixing rings are fixedly arranged on the outer surfaces of two sides of the front sealing box, rear fixing rings are fixedly arranged on the outer surfaces of two sides of the rear sealing box, fixed connecting seats are fixedly arranged on the upper surfaces and the lower surfaces of the front fixing rings and the rear fixing rings, fastening screws are arranged on the inner sides of the fixed connecting seats in a threaded manner, filling sponges are arranged on the inner sides of the front fixing rings and the rear fixing rings, a plurality of noise reduction guide pillars are arranged on the inner sides of the front sealing box and the rear sealing box, a front connecting rod is fixedly arranged at the middle position of the noise reduction guide pillars on the inner side of the front sealing box, and a front noise reduction inner pipe is fixedly arranged at one end, the rear sealing box is characterized in that a rear connecting rod is fixedly arranged at the middle position, located at the noise reduction guide pillar, of the inner side of the rear sealing box, a rear silencing inner tube is fixedly arranged at one end, far away from the rear sealing box, of the rear connecting rod, and a plurality of sound guide holes are formed in the outer sides of the front silencing inner tube and the rear silencing inner tube.

Preferably, the front fixing ring is connected with the rear fixing ring in a matched mode, and the inner sides of the front fixing ring and the rear fixing ring are square.

Preferably, the filling sponges are fixedly connected with the front fixing ring and the rear fixing ring through gluing, and the two filling sponges are symmetrically arranged and installed.

Preferably, the front silencing inner pipe is matched and connected with the rear silencing inner pipe, and the inner sides of the front silencing inner pipe and the rear silencing inner pipe are circular.

Preferably, the noise reduction guide posts are fixedly connected with the front sealing box and the rear sealing box through welding, and the noise reduction guide posts are arranged around the circle centers of the front sealing box and the rear sealing box.

Compared with the prior art, the utility model discloses following beneficial effect has: this device of making an uproar shaded pole motor shaft falls through the place ahead retainer plate, the rear retainer plate and the filling sponge that set up, can fill hookup location's space when the device is installed on the shaded pole motor, makes the device totally sealed, prevents the leakage of noise, falls guide pillar, place ahead amortization inner tube, rear amortization inner tube and the sound guide hole of making an uproar through setting up, can form double-deck space isolation noise, reduces noise frequency simultaneously, improves the effect that the device was made an uproar.

Drawings

Fig. 1 is a schematic view of the overall structure of a noise reduction shaded pole motor shaft device according to the present invention;

fig. 2 is a side view of the noise reduction shaded pole motor shaft of the present invention;

fig. 3 is a front sealing box and a rear sealing box of the noise reduction shaded pole motor shaft device according to the present invention;

fig. 4 is a front view of the front silencing inner tube of the noise reduction device for shaded pole motor shaft of the present invention.

In the figure: 1. a front seal box; 2. a front retainer ring; 3. a rear seal box; 4. a rear fixing ring; 5. fixing the connecting seat; 6. fastening screws; 7. filling sponge; 8. a noise reduction guide post; 9. a front connecting rod; 10. a front silencing inner pipe; 11. a rear connecting rod; 12. a rear silencing inner pipe; 13. and a sound guide hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

As shown in fig. 1-4, a noise reduction shaded pole motor shaft device comprises a front sealing box 1 and a rear sealing box 3, wherein the rear sealing box 3 is located on the rear surface of the front sealing box 1, front fixing rings 2 are fixedly mounted on the outer surfaces of the two sides of the front sealing box 1, rear fixing rings 4 are fixedly mounted on the outer surfaces of the two sides of the rear sealing box 3, fixing and connecting seats 5 are fixedly mounted on the upper surfaces and the lower surfaces of the front fixing rings 2 and the rear fixing rings 4, fastening screws 6 are threadedly mounted on the inner sides of the fixing and connecting seats 5, filling sponges 7 are arranged on the inner sides of the front fixing rings 2 and the rear fixing rings 4, a plurality of noise reduction guide posts 8 are arranged on the inner sides of the front sealing box 1 and the rear sealing box 3, a front connecting rod 9 is fixedly mounted on the inner side of the front sealing box 1 at the middle position of the noise reduction guide posts, a front silencing inner tube 10 is fixedly mounted at one end, far away from the front sealing box 1, of the front connecting rod 9, a rear connecting rod 11 is fixedly mounted at the middle position, located at the noise reduction guide post 8, of the inner side of the rear sealing box 3, a rear silencing inner tube 12 is fixedly mounted at one end, far away from the rear sealing box 3, of the rear connecting rod 11, and a plurality of sound guide holes 13 are formed in the outer sides of the front silencing inner tube 10 and the rear silencing inner tube 12;

the front fixing ring 2 is connected with the rear fixing ring 4 in a matching way, and the inner sides of the front fixing ring 2 and the rear fixing ring 4 are square; the filling sponges 7 are fixedly connected with the front fixing ring 2 and the rear fixing ring 4 through gluing, and the two filling sponges 7 are symmetrically arranged and installed; the front silencing inner pipe 10 is matched and connected with the rear silencing inner pipe 12, and the inner sides of the front silencing inner pipe 10 and the rear silencing inner pipe 12 are circular; the noise reduction guide posts 8 are fixedly connected with the front sealing box 1 and the rear sealing box 3 through welding, and the noise reduction guide posts 8 are arranged around the circle centers of the front sealing box 1 and the rear sealing box 3.

It should be noted that, the utility model relates to a noise reduction shaded pole motor shaft device, when in use, the front fixing ring 2 and the rear fixing ring 4 are sleeved on the surface of a noise shaded pole motor, the fastening screw 6 is rotated, the front fixing ring 2 and the rear fixing ring 4 are tightened by tightening the fixed connecting seat 5, thereby the front sealing box 1 and the rear sealing box 3 are connected and sleeved on the transmission part of the shaded pole motor shaft, the noise generated by shaft transmission is isolated and reduced, when the front fixing ring 2 and the rear fixing ring 4 are attached on the shaded pole motor, the filling sponge 7 on the inner sides of the front fixing ring 2 and the rear fixing ring 4 are attached on the shaded pole motor at the same time, the gap between the shaded pole motor and the front fixing ring 2 and the rear fixing ring 4 is filled by the extrusion deformation of the filling sponge 7, complete sealing is carried out, when the front sealing box 1 and the rear sealing box 3 are sleeved on the outer part of the transmission shaft of the shaded pole motor, the front silencing inner tube 10 and the rear silencing inner tube 12 on the inner sides of the front sealing box 1 and the rear sealing box 3 firstly cover the shaded pole motor transmission shaft, when the shaded pole motor transmission shaft generates sound, the sound is firstly led out through a plurality of sound guide holes 13 in the front silencing inner tube 10 and the rear silencing inner tube 12, the frequency of the sound is reduced when the sound guide holes 13 are formed, the sound is transmitted out of the front silencing inner tube 10 and the rear silencing inner tube 12, the swinging sound strikes the noise reduction guide pillars 8 on the inner sides of the front sealing box 1 and the rear sealing box 3, the frequency of the sound is reduced again, and the noise is reduced.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a device of shaded pole motor shaft of making an uproar falls which characterized in that: the sealing device comprises a front sealing box (1) and a rear sealing box (3), wherein the rear sealing box (3) is positioned on the rear surface of the front sealing box (1), the outer surfaces of the two sides of the front sealing box (1) are respectively and fixedly provided with a front fixing ring (2), the outer surfaces of the two sides of the rear sealing box (3) are respectively and fixedly provided with a rear fixing ring (4), the upper surfaces and the lower surfaces of the front fixing ring (2) and the rear fixing ring (4) are respectively and fixedly provided with a fixed connecting seat (5), the inner side of the fixed connecting seat (5) is in threaded installation with a fastening screw (6), the inner sides of the front fixing ring (2) and the rear fixing ring (4) are respectively provided with a filling sponge (7), the inner sides of the front sealing box (1) and the rear sealing box (3) are respectively provided with a plurality of noise reduction guide pillars (8), and the inner side of the front sealing box (1) is positioned in the middle of the noise, the noise reduction device is characterized in that a front silencing inner tube (10) is fixedly mounted at one end, far away from a front sealing box (1), of the front connecting rod (9), a rear connecting rod (11) is fixedly mounted at the middle position, located at a noise reduction guide post (8), of the inner side of the rear sealing box (3), a rear silencing inner tube (12) is fixedly mounted at one end, far away from the rear sealing box (3), of the rear connecting rod (11), and a plurality of sound guide holes (13) are formed in the outer sides of the front silencing inner tube (10) and the rear silencing inner tube (12).

2. The apparatus of claim 1, wherein the noise reducing shaded pole motor shaft further comprises: the front fixing ring (2) is connected with the rear fixing ring (4) in a matched mode, and the inner sides of the front fixing ring (2) and the rear fixing ring (4) are square.

3. The apparatus of claim 1, wherein the noise reducing shaded pole motor shaft further comprises: the filling sponges (7) are fixedly connected with the front fixing ring (2) and the rear fixing ring (4) through gluing, and the two filling sponges (7) are symmetrically arranged and installed.

4. The apparatus of claim 1, wherein the noise reducing shaded pole motor shaft further comprises: the front silencing inner pipe (10) is matched and connected with the rear silencing inner pipe (12), and the inner sides of the front silencing inner pipe (10) and the rear silencing inner pipe (12) are circular.

5. The apparatus of claim 1, wherein the noise reducing shaded pole motor shaft further comprises: the noise reduction guide posts (8) are fixedly connected with the front sealing box (1) and the rear sealing box (3) through welding, and the noise reduction guide posts (8) are arranged around the circle centers of the front sealing box (1) and the rear sealing box (3).