CN201987462U - Noise reducing device for motor of dust collector - Google Patents
Noise reducing device for motor of dust collector Download PDFInfo
- Publication number
- CN201987462U CN201987462U CN2011201040648U CN201120104064U CN201987462U CN 201987462 U CN201987462 U CN 201987462U CN 2011201040648 U CN2011201040648 U CN 2011201040648U CN 201120104064 U CN201120104064 U CN 201120104064U CN 201987462 U CN201987462 U CN 201987462U
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- Prior art keywords
- motor
- noise reduction
- reduction chamber
- inner cover
- chamber
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Abstract
The utility model discloses a noise reducing device for a motor of a dust collector. The noise reducing device comprises a motor inner cover for accommodating the motor and a motor outer cover covered on the motor inner cover. The noise reducing device is characterized in that a primary noise damping chamber and a secondary noise damping chamber which are separated from each other are arranged on the motor inner cover; meanwhile, a transitional chamber is arranged between the motor inner cover and the motor outer cover; the primary noise damping chamber is connected with a motor exhaust port and is simultaneously connected with the secondary noise damping chamber through the transitional chamber; and the secondary noise damping chamber is connected with an air outlet on the motor outer cover. Compared with the prior art, the noise reducing device has the advantages that since the two stages of noise damping chambers are arranged on the motor inner cover, and a more-circuitous gas path is constructed on the periphery of the motor, air current exhausted from the motor can be rotated to absorb energy more efficiently, the sound wave vibration energy is further reduced, and the better noise-reducing effect can be obtained.
Description
Technical field
The utility model relates to a kind of motor of dust collector denoising device.
Background technology
Motor of dust collector noise when operation is bigger, so need it is carried out noise reduction process.Conventional noise-reduction method be mostly motor of dust collector on the air port, the noise reduction sponge is set, but effect is relatively poor, and can reduce the exhaust air rate that advances of motor, causes motor working efficiency to reduce.Motor of dust collector then mainly adopts the mode that is separated out the noise reduction chamber between motor inner cover and outer cover to carry out noise reduction at present, its principle is to disappear because of the revolution energy-absorbing of chamber by air-flow process after discharging motor, effectively reduce the acoustic vibration energy, thereby reach the effect of noise reduction.Yet still there is following shortcoming in the device that this present class utilizes the noise reduction chamber motor to carry out noise reduction: only possess one-level noise reduction chamber usually, it is very few to make that air-flow discharge motor turns round afterwards, and the energy-absorbing noise reduction is not obvious.
Summary of the invention
The utility model purpose is: the motor of dust collector denoising device that a kind of sound-deadening and noise-reducing better effects if is provided.
The technical solution of the utility model is: a kind of motor of dust collector denoising device, the motor inner cover and the motor outer cover that covers on the motor inner cover that comprise ccontaining motor, it is characterized in that described motor inner cover is provided with one-level noise reduction chamber spaced apart from each other and secondary noise reduction chamber, be provided with transition chamber thereof between described motor inner cover and the motor outer cover simultaneously; Described one-level noise reduction chamber links to each other with the motor exhaust outlet, and simultaneously described one-level noise reduction chamber links to each other with secondary noise reduction chamber through crossing chamber, and described secondary noise reduction chamber links to each other with air outlet on the motor outer cover.
Further, surround transition chamber thereof around the inner cover of motor described in the utility model and between the motor outer cover, and described motor inner cover is provided with the one-level noise reduction chamber air outlet that is communicated with one-level noise reduction chamber and transition chamber thereof, ring circumferentially is interval with two above secondary noise reduction chambers on the described motor inner cover simultaneously, accordingly, described motor inner cover is provided with the secondary noise reduction chamber air inlet that is communicated with transition chamber thereof and secondary noise reduction chamber; Described one-level noise reduction chamber air outlet and secondary noise reduction chamber air inlet along motor shaft to being staggeredly arranged.
Further, surround hood inner cavity chamber around the motor described in the utility model and between the motor inner cover, have the one-level noise reduction chamber air inlet that is communicated with one-level noise reduction chamber and hood inner cavity chamber on the described motor inner cover, described one-level noise reduction chamber air inlet and the motor exhaust outlet that is arranged on the motor side along motor shaft to being staggeredly arranged, and this one-level noise reduction chamber air inlet also with one-level noise reduction chamber air outlet along motor shaft to being staggeredly arranged.
Preferably, the noise reduction of one-level described in the utility model chamber air outlet and secondary noise reduction chamber air inlet constitute by intensive mesh.
The same with routine techniques, the utility model also comprises seal cover, and an end of described motor inner cover and electric machine external is all fixing to seal with described seal cover.
The same with routine techniques, the inner cover of motor described in the utility model bottom also is fixed with the motor base that is used to assemble the motor axial region.
Preferably, the junction of inner cover of motor described in the utility model and motor outer cover is provided with sealing ring.
Further, inboard, the outer cover end of motor described in the utility model forms the convex tendon that a circle extends vertically, and described motor inner cover is tubular, and the one side end face is provided with a circle and inserts the groove that cooperates for convex tendon, and described sealing ring is positioned at described groove.
Preferably, on the inwall of described motor outer cover, comprise outer cover air outlet periphery in the utility model, equal fixing noise reduction cottons absorbs the acoustical vibration energy of air-flow, in the hope of obtaining better noise reduction.
Concrete operation principle of the present utility model is as follows: the same with routine techniques after the machine operation, air-flow sucks from motor front end air inlet, and motor exhaust outlet is from the side discharged then.Air-flow at first turns round and enters one-level noise reduction chamber, discharges one-level noise reduction chamber afterwards, through the circuitous secondary noise reduction chamber that enters of transition chamber; Air-flow passes through bending after discharging secondary noise reduction chamber again, and the outer cover air outlet from the motor outer cover is discharged at last.Air-flow effectively reduces the acoustic vibration energy through above-mentioned two-stage noise reduction chamber and circuitous revolution energy-absorbing, has obtained better noise reduction.And air-flow also can further weaken the acoustic wave energy of noise by the one-level noise reduction chamber air outlet that is made of intensive mesh and secondary noise reduction chamber air inlet the time.And the noise reduction cotton that is fixed in the present embodiment on the motor outer cover inwall can absorb the acoustical vibration energy of air-flow, thereby obtains better noise reduction.
The utility model has the advantages that:
1. this motor of dust collector denoising device that provides of the utility model, compared to existing technology, owing on the motor inner cover, be provided with two-stage noise reduction chamber, constructed a more circuitous gas passage in the motor periphery, can more efficientlyly implement the revolution energy-absorbing to the air-flow of discharging motor, further reduce the acoustic vibration energy, obtain better noise reduction.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is a structure cutaway view of the present utility model;
Fig. 2 is a stereochemical structure decomposing schematic representation of the present utility model;
Air-flow moved towards schematic diagram when Fig. 3 worked for the utility model.
Wherein: 1, motor; 1a, motor exhaust outlet; 2, motor inner cover; 2a, one-level noise reduction chamber air outlet; 2b, secondary noise reduction chamber air inlet; 2c, one-level noise reduction chamber air inlet; 3, motor outer cover; 3a, outer cover air outlet; 4, one-level noise reduction chamber; 5, secondary noise reduction chamber; 6, transition chamber thereof; 7, hood inner cavity chamber; 8, seal cover; 9, motor base; 10, sealing ring; 11, convex tendon.
The specific embodiment
Embodiment: in conjunction with Fig. 1, shown in Figure 2, this motor of dust collector denoising device that present embodiment provides, it is made of jointly motor inner cover 2, motor outer cover 3, seal cover 8, motor base 9, sealing ring 10.Described motor inner cover 2 is used for ccontaining motor 1, and motor outer cover 3 covers on the motor inner cover 2, and is the same with routine techniques, and an end of described motor inner cover 2 and electric machine external 3 is all fixed to seal with described seal cover 8.The bottom that described motor base 9 is fixed on motor inner cover 2 is used to assemble motor 1 axial region.And inboard, the outer cover of motor described in the present embodiment 3 end forms the convex tendon 11 that a circle extends vertically, and described motor inner cover 2 is tubular, and the one side end face is provided with a circle and inserts the groove that cooperates for convex tendon 11, and described sealing ring 10 is positioned at described groove.
Different is with routine techniques, is provided with one-level noise reduction chamber 4 spaced apart from each other and secondary noise reduction chamber 5 in the utility model on described motor inner cover 2, around the simultaneously described motor inner cover 2 and surround transition chamber thereof 6 between the motor outer cover 3; Described one-level noise reduction chamber 4 links to each other with motor exhaust outlet 1a, and simultaneously described one-level noise reduction chamber 4 links to each other with secondary noise reduction chamber 5 through transition chamber 6, and described secondary noise reduction chamber 5 links to each other with outer cover air outlet 3a on the motor outer cover 3.Specifically in conjunction with Fig. 1, shown in Figure 2, the inner cover of motor described in the present embodiment 2 is provided with the one-level noise reduction chamber air outlet 2a that is communicated with one-level noise reduction chamber 4 and transition chamber thereof 6 and is made of intensive mesh; And the top that ring circumferentially is interval with four these secondary noise reduction chambers 5 of secondary noise reduction chamber 5(altogether on the motor inner cover 2 in the present embodiment all links to each other with outer cover air outlet 3a on the motor outer cover 3), accordingly, motor inner cover 2 is provided with the secondary noise reduction chamber air inlet 2b that is communicated with transition chamber thereof 6 and secondary noise reduction chamber 5 and also is made of intensive mesh; Described one-level noise reduction chamber air outlet 2a and secondary noise reduction chamber air inlet 2b axially are staggeredly arranged along motor 1.Described motor 1 surrounds hood inner cavity chamber 7 all around and between the motor inner cover 2, have the one-level noise reduction chamber air inlet 2c that is communicated with one-level noise reduction chamber 4 and hood inner cavity chamber 7 on the described motor inner cover 2, described one-level noise reduction chamber air inlet 2c and the motor exhaust outlet 1a that is arranged on motor 1 side axially are staggeredly arranged along motor 1, and this one-level noise reduction chamber air inlet 2c also axially is staggeredly arranged along motor 1 with one-level noise reduction chamber air outlet 2a.On the inwall of described motor outer cover 3, comprise outer cover air outlet 3a periphery in the present embodiment, all be fixed with noise reduction cotton (not drawing among the figure).
In conjunction with shown in Figure 3, concrete operation principle of the present utility model is as follows: motor 1 work back is the same with routine techniques, and air-flow sucks from motor 1 front end air inlet (not marking the figure), and motor exhaust outlet 1a from the side discharges then.Air-flow at first turns round and enters one-level noise reduction chamber 4, discharges one-level noise reduction chamber 4 afterwards, through the transition chamber 6 circuitous secondary noise reduction chambers 5 that enter; Air-flow passes through bending after discharging secondary noise reduction chamber 5 again, and the outer cover air outlet 3a from the motor outer cover 3 discharges at last.Air-flow effectively reduces the acoustic vibration energy through above-mentioned two-stage noise reduction chamber 4,5 and circuitous revolution energy-absorbing, has obtained better noise reduction.And air-flow also can further weaken the acoustic wave energy of noise by the one-level noise reduction chamber air outlet 2a that is made of intensive mesh and secondary noise reduction chamber air inlet 2b the time.And the noise reduction cotton that is fixed in the present embodiment on motor outer cover 3 inwalls can absorb the acoustical vibration energy of air-flow, thereby obtains better noise reduction.
Certainly the foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the spiritual essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.
Claims (9)
1. motor of dust collector denoising device, comprise the motor inner cover (2) of ccontaining motor (1) and cover on motor outer cover (3) on the motor inner cover (2), it is characterized in that described motor inner cover (2) is provided with one-level noise reduction chamber spaced apart from each other (4) and secondary noise reduction chamber (5), be provided with transition chamber thereof (6) between described motor inner cover (2) and the motor outer cover (3) simultaneously; Described one-level noise reduction chamber (4) links to each other with motor exhaust outlet (1a), simultaneously described one-level noise reduction chamber (4) links to each other with secondary noise reduction chamber (5) through transition chamber (6), and described secondary noise reduction chamber (5) links to each other with outer cover air outlet (3a) on the motor outer cover (3).
2. motor of dust collector denoising device according to claim 1, it is characterized in that described motor inner cover (2) and surround transition chamber thereof (6) between the motor outer cover (3) all around, and described motor inner cover (2) is provided with the one-level noise reduction chamber air outlet (2a) that is communicated with one-level noise reduction chamber (4) and transition chamber thereof (6), described motor inner cover (2) is gone up ring and circumferentially is interval with two above secondary noise reduction chambers (5) simultaneously, accordingly, described motor inner cover (2) is provided with the secondary noise reduction chamber air inlet (2b) that is communicated with transition chamber thereof (6) and secondary noise reduction chamber (5); Described one-level noise reduction chamber air outlet (2a) and secondary noise reduction chamber air inlet (2b) axially are staggeredly arranged along motor (1).
3. motor of dust collector denoising device according to claim 2, it is characterized in that described motor (1) and surround hood inner cavity chamber (7) between the motor inner cover (2) all around, have the one-level noise reduction chamber air inlet (2c) that is communicated with one-level noise reduction chamber (4) and hood inner cavity chamber (7) on the described motor inner cover (2), described one-level noise reduction chamber air inlet (2c) axially is staggeredly arranged along motor (1) with the motor exhaust outlet (1a) that is arranged on motor (1) side, and this one-level noise reduction chamber air inlet (2c) also axially is staggeredly arranged along motor (1) with one-level noise reduction chamber air outlet (2a).
4. according to claim 2 or 3 described motor of dust collector denoising devices, it is characterized in that described one-level noise reduction chamber air outlet (2a) and secondary noise reduction chamber air inlet (2b) constitute by intensive mesh.
5. motor of dust collector denoising device according to claim 1 is characterized in that also comprising seal cover (8), and an end of described motor inner cover (2) and electric machine external (3) is all fixing to seal with described seal cover (8).
6. motor of dust collector denoising device according to claim 1 is characterized in that described motor inner cover (2) bottom also is fixed with the motor base (9) that is used to assemble motor (1) axial region.
7. motor of dust collector denoising device according to claim 1 or 5 is characterized in that the described motor inner cover (2) and the junction of motor outer cover (3) are provided with sealing ring (10).
8. motor of dust collector denoising device according to claim 7, it is characterized in that described motor outer cover (3) inboard, end forms the convex tendon (11) that a circle extends vertically, and described motor inner cover (2) is tubular, the one side end face is provided with a circle and inserts the groove that cooperates for convex tendon (11), and described sealing ring (10) is positioned at described groove.
9. motor of dust collector denoising device according to claim 1 and 2 is characterized in that being fixed with the noise reduction cotton on the inwall of described motor outer cover (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201040648U CN201987462U (en) | 2011-04-11 | 2011-04-11 | Noise reducing device for motor of dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201040648U CN201987462U (en) | 2011-04-11 | 2011-04-11 | Noise reducing device for motor of dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201987462U true CN201987462U (en) | 2011-09-28 |
Family
ID=44663974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201040648U Expired - Fee Related CN201987462U (en) | 2011-04-11 | 2011-04-11 | Noise reducing device for motor of dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201987462U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505149A (en) * | 2013-09-24 | 2014-01-15 | 苏州市铂恒电器有限公司 | Silent dust collector |
| CN105342525A (en) * | 2015-03-02 | 2016-02-24 | 于长海 | Small household dust collector |
| CN107508418A (en) * | 2017-09-19 | 2017-12-22 | 珠海格力电器股份有限公司 | A kind of noise-reduction case and the device for being provided with motor |
-
2011
- 2011-04-11 CN CN2011201040648U patent/CN201987462U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103505149A (en) * | 2013-09-24 | 2014-01-15 | 苏州市铂恒电器有限公司 | Silent dust collector |
| CN103505149B (en) * | 2013-09-24 | 2016-01-20 | 苏州市铂恒电器有限公司 | Mute dust collector |
| CN105342525A (en) * | 2015-03-02 | 2016-02-24 | 于长海 | Small household dust collector |
| CN107508418A (en) * | 2017-09-19 | 2017-12-22 | 珠海格力电器股份有限公司 | A kind of noise-reduction case and the device for being provided with motor |
| CN107508418B (en) * | 2017-09-19 | 2019-10-01 | 珠海格力电器股份有限公司 | A kind of noise-reduction case and the device for being equipped with motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20170411 |