CN208923997U - A kind of low noise brshless DC motor - Google Patents
A kind of low noise brshless DC motor Download PDFInfo
- Publication number
- CN208923997U CN208923997U CN201821477140.8U CN201821477140U CN208923997U CN 208923997 U CN208923997 U CN 208923997U CN 201821477140 U CN201821477140 U CN 201821477140U CN 208923997 U CN208923997 U CN 208923997U
- Authority
- CN
- China
- Prior art keywords
- pillar
- motor
- damping
- rotary table
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to technical field of motors, more particularly to a kind of low noise brshless DC motor, including motor body and damping shell, shock mount is detachably installed between motor body bottom and damping shell, shock mount includes the elastic contact pin group installed from top to bottom, footstock and pedestal, footstock includes the first rotary table and the first pillar, pedestal includes the second rotary table and the second pillar, first pillar activity is threaded through in the second pillar, damping spring is installed between first pillar and the second rotary table, the upper surface of second pillar is provided with rubber pad, second rotary table is detachably connected on the bottom of damping shell, buffer layer is equipped between damping shell and motor body.The utility model is used cooperatively by shock mount and damping shell, absorbs the vibration generated when motor body operation, to achieve the purpose that reduce noise.
Description
Technical field
The utility model relates to technical field of motors more particularly to a kind of low noise brshless DC motors.
Background technique
Brshless DC motor is made of motor body and driver, is a kind of typical electromechanical integrated product, has
Small in size, light-weight, the advantages that power output is big, and stepless speed regulation, speed adjustable range is wide, and overload capacity is strong, the application of brshless DC motor
It is very extensive, such as automobile, tool, industrial industry control, automation and aerospace.
If brshless DC motor generation vibration is excessive in use, noise can be made excessive, cause institute's driving machinery
Damage, influence the consequence of the normal work of surrounding equipment, while also can acceleration motor bearing wear, make the normal use of bearing
Service life greatly shortens；When serious motor end wiring can loosen, motor End winding is caused to generate phase mutual friction, insulation resistance
It reduces, insulation life shortens, and causes insulation breakdown.And the DC brushless motor noise once excessive work that will seriously affect periphery
Environment.The electric equipment products that these sound use interior, it is all fatal for especially requiring the higher facility of quiet degree, product
's.
Current most of motor fixed forms are simple, bracket are usually arranged on the shell of motor, bracket is direct with ground
Contact, damping effect are poor；Also some fixes a resilient cushion with glue on bracket, but after a period of time, glue meeting aging,
It causes resilient cushion to loosen, fall off, a good damping effect can not be maintained for a long time.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of low noise brshless DC motors, by motor body
Outer design damping shell, motor body are detachably connected by shock mount and damping shell, and damping material is filled in damping shell
Material, effectively absorbs the vibration that motor body generates at runtime, reduces noise.
The utility model solves above-mentioned technical problem by following technological means:
A kind of low noise brshless DC motor, including motor body and damping shell, the motor body are mounted on damping
In shell, and the output shaft of motor body passes through damping shell, detachably pacifies between the motor body bottom and damping shell
Equipped with shock mount, the shock mount includes elastic contact pin group, footstock and the pedestal installed from top to bottom, the elasticity contact pin
Group includes mutually from the two elastic arcs welded together, and described elasticity contact pin group one end is fixedly mounted on motor body bottom,
The other end is fixedly mounted on footstock, the footstock include the first rotary table and with integrally formed first pillar of the first rotary table, institute
Stating pedestal includes the second rotary table and the second pillar, and second pillar is fixedly installed on the second rotary table, and second pillar is
Hollow structure, the first pillar activity are threaded through in the second pillar, are equipped with and are subtracted between first pillar and the second rotary table
Spring is shaken, the upper surface of second pillar is provided with rubber pad, and second rotary table is detachably connected on the bottom of damping shell
Portion is equipped with buffer layer between the damping shell and motor body.
Utility model by adopting the above technical scheme installs shock mount, damping between motor body and damping shell
The elastic arcs and damping spring of support can play double buffering cushioning effect to motor body, when motor operation, elasticity
Contact pin group is transmitted to the vibration dispersion that motor generates on footstock, keeps total operation operation more stable, damping spring is inhaled
Vibration is received, noise is reduced, buffer layer is in addition filled between motor body and damping shell, motor body is further absorbed and generates
Vibration, reduce motor body generate noise.Further, the lower end surface of first pillar is fixedly installed with limited block, institute
It states and is fixedly installed with limit plate in the corresponding position of limited block between the second pillar and rubber pad.On first pillar and the second pillar
Limited block and limit plate cooperation, limit the first pillar moving distance, prevent the first pillar deviate from the second pillar.
Further, the damping shell includes upper housing and lower case, and the upper housing two sides are welded with the first trunnion, institute
It states lower case two sides and is welded with the second trunnion in the corresponding position of the first trunnion, worn between first trunnion and the second trunnion
There is fastening screw.Damping shell is divided into upper housing and lower case, and when use is easily installed, overhauls or replaces motor, using fastening
Screw, it is convenient, fast.
Further, the upper housing is hollow sandwich structure, and uniform disk is equipped with heat exchanger tube, institute in the interlayer of the upper housing
The inlet and outlet for stating heat exchanger tube is installed on upper housing outer wall.Structure design can be timely by electricity inside shock-absorbing casing
Heat caused by owner's body is taken away, its heat sinking function is increased, and makes motor operation more stable, longer using the time.
Further, the second bolt hole is offered on second rotary table, is equipped with fastening bolt in second bolt hole,
The lower case offers the through slot for fastening bolt sliding.The design of the structure, the second rotary table and damping cage connection it is tight
Fixing bolt can arbitrarily slide in through slot, to achieve the purpose that adjust shock mount position.
Further, the buffer layer includes Rubber shock-absorbing pad and heat-conducting silica gel sheet, the Rubber shock-absorbing pad and heat conductive silica gel
Piece arranged for interval.It is arranged indirectly in buffer layer by resilient cushion and heat-conducting silica gel sheet, increases the heat conductivity of buffer layer, make damping
Heat dissipation faster, increases the service efficiency of refrigerant in shell.
Further, the inner wall of the damping shell is equipped with acoustical cotton.Acoustical cotton can absorb the noise of motor operation generation, into
One step brings the effect for reducing noise.
The utility model has the beneficial effects that
By the design of shock mount and buffer layer, the vibration dispersion that motor body generates is transmitted to top by elastic contact pin group
On seat, the spring in shock mount can absorb vibration when motor body operation, reduce its noise；The detachable knot of damping shell
Structure facilitates the installation, maintenance or replacement of motor body；The heat-exchanger rig of damping housing upper shell installation, can be in time by damping shell
The heat in internal portion is taken out of, keeps motor operation more stable, the service life is longer, and the heat-conducting silica gel sheet of buffer layer increases it and leads
Hot property, to increase its thermal diffusivity, while damping shell wraps up motor inside it, and suction is also provided in damping shell
Sound cotton, further reduces noise from source.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of internal structure of low noise brshless DC motor of the utility model；
Fig. 2 is a kind of shock mount structural schematic diagram of low noise brshless DC motor of the utility model；
Fig. 3 is a kind of damping shell mechanism schematic diagram of low noise brshless DC motor of the utility model；
Wherein, motor body 1, damping shell 2, upper housing 21, the first trunnion 211, import 212, outlet 213, heat exchanger tube
214, lower case 22, the second trunnion 221, through slot 222, fastening screw 23, output shaft 3, air hole 4, shock mount 5, footstock 51,
First rotary table 511, the first bolt hole 5111, the first pillar 512, limited block 5121, pedestal 52, the second pillar 521, limit plate
5211, the second rotary table 522, the second bolt hole 5221, fastening bolt 5222, rubber pad 523, elastic contact pin group 53, damping spring
54, buffer layer 6, supporting leg 7, installation threaded hole 71, acoustical cotton 8.
Specific embodiment
The utility model is described in detail below with reference to the drawings and specific embodiments:
As shown in FIG. 1 to 3, a kind of low noise brshless DC motor of the utility model, including motor body 1 and damping
Shell 2, motor body 1 are mounted in damping shell 2, and the output shaft 3 of motor body 1 passes through damping shell 2, damping shell
2 end faces far from output shaft 3 offer air hole 4, are removably equipped with and subtract between 1 bottom of motor body and damping shell 2
Support 5 is shaken, shock mount 5 includes elastic contact pin group 53, footstock 51 and the pedestal 52 installed from top to bottom, and elastic contact pin group 53 is
For two elastic arcs mutually from being welded, elastic 53 one end of contact pin group offers threaded hole, elastic contact pin group 53 and motor body 1
It is fixed by screw, elastic 53 other end of contact pin group opens up bolt hole, is bolted to connection with footstock 51, and footstock 51 includes the
One rotary table 511 and with integrally formed first pillar 512 of the first rotary table.Pedestal 52 includes the second rotary table 522 and the second pillar
521, second pillar 521 is welded on the second rotary table 522, and the second pillar 521 is hollow structure, 512 activity of the first pillar
It is threaded through in the second pillar 521, damping spring 54, the first pillar 512 is welded between the first pillar 512 and the second rotary table 522
It is greater than the height of the second pillar 521 with the summation of 54 height of damping spring, the upper surface of the second pillar 521 is bonded with rubber pad
523, the lower end surface of the first pillar 512 can be 2,2 limited blocks 5121 are along first integrally formed with limited block 5121
512 center line of column is arranged symmetrically, and is welded with limit plate in the corresponding position of limited block between the second pillar 521 and rubber pad 523
5211, the summation of 512 width of limited block 5121 and the first pillar is greater than the distance between two limit plates 5211, can prevent using
The first pillar is detached from the second pillar in the process.Second rotary table 522 is detachably mounted to the bottom of damping shell 2, damping shell 2
Buffer layer 6 is equipped between motor body 1, buffer layer 6 can be the vibration-absorptive materials such as Rubber shock-absorbing pad, sponge.Pass through damping branch
The cooperation of seat and buffer layer, the vibration generated when absorbing motor operation, to reduce its noise.
Wherein, damping shell 2 includes upper housing 21 and lower case 22, and 21 two sides of upper housing are welded with the first trunnion 211, under
22 two sides of shell are welded with the second trunnion 221 in the corresponding position of the first trunnion, between the first trunnion 211 and the second trunnion 221
It is equipped with fastening screw 23, upper housing and lower case are detachably connected, and facilitate the installation, maintenance or replacement of motor body.Upper casing
Body 21 is hollow sandwich structure, and uniform disk is equipped with heat exchanger tube, the import 212 and outlet 213 of heat exchanger tube in the interlayer of upper housing 21
It is installed on 21 outer wall of upper housing, heat exchanger tube 214 is that S-shaped is uniformly arranged in upper housing 21.It can timely take away outside damping
Heat in shell 2, heat exchanger tube S-shaped arrangement, increases heat exchange area, improves heat exchange efficiency.
The second bolt hole 5221 is offered on second rotary table 522, is equipped with fastening bolt, lower casing in the second bolt hole 5221
Body offers the logical mortise 222 for fastening bolt sliding, and the width of through slot 222 is identical as the diameter of the second bolt hole 5221, and second
Bolt on rotary table 522 can slide in through slot 222, to achieve the purpose that adjust 5 relative position of shock mount.Buffer layer 6
Including Rubber shock-absorbing pad and heat-conducting silica gel sheet, Rubber shock-absorbing pad and heat-conducting silica gel sheet arranged for interval.Heat-conducting silica gel sheet, which can increase, to be subtracted
The heating conduction for shaking layer, enables heat preferably to be taken out of by refrigerant.The bottom of damping shell 2 is welded with supporting leg 7, on supporting leg 7
Installation threaded hole 71 is offered, is easily installed.It is bonded with acoustical cotton 8 on the inner wall of damping shell 2, further absorbs motor and generates
Noise, achieve the effect that noise abatement.
The application method of the utility model is as follows:
A kind of low noise brshless DC motor of the utility model connects on the second rotary table with damping shell in use, unscrewing
The bolt connect adjusts position of the bolt in strip through-hole, so that the position of shock mount is suitble to the size of motor, tightens bolt,
It is fixed on shock mount on damping shell, the motor body vibration on the first rotary table pushes the first rotary table, and the first rotary table is downward
Mobile to squeeze damping spring, damping spring absorbs the vibration of a part by the deformation of itself, meanwhile, when motor operation, it surround
Another part vibration of motor can be sponged in the buffer layer of motor surrounding, achievees the effect that damping noise reduction, and in damping shell
The acoustical cotton being arranged on wall can sponge a part of noise, further decrease noise when motor operation, and in addition motor works
When, refrigerant flows into heat exchanger tube through import, takes away the heat generated inside motor, flows out from outlet, can control motor temperature
Within the scope of safe working temperature, thus the operation that motor can be more stable, long service life.
Above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although referring to preferred embodiment pair
The utility model is described in detail, those skilled in the art should understand that, it can be to the technology of the utility model
Scheme is modified or replaced equivalently, and without departing from the objective and range of technical solutions of the utility model, should all be covered
In the scope of the claims of the utility model.Technology that the utility model is not described in detail, shape, construction portion are known
Technology.
Claims (7)
1. a kind of low noise brshless DC motor, including motor body and damping shell, the motor body are mounted on outside damping
In shell, and the output shaft of motor body passes through damping shell, it is characterised in that: between the motor body bottom and damping shell
Shock mount detachably is installed, the shock mount includes elastic contact pin group, footstock and the pedestal installed from top to bottom, described
Elastic contact pin group includes mutually from the two elastic arcs welded together, and described elasticity contact pin group one end is fixedly mounted on motor master
Body bottom, the other end are fixedly mounted on footstock, the footstock include the first rotary table and with the first rotary table integrally formed first
Pillar, the pedestal include the second rotary table and the second pillar, and second pillar is fixedly installed on the second rotary table, and described second
Pillar is hollow structure, and the first pillar activity is threaded through in the second pillar, is pacified between first pillar and the second rotary table
Equipped with damping spring, the upper surface of second pillar is provided with rubber pad, and second rotary table is removably mounted at outside damping
The bottom of shell is equipped with buffer layer between the damping shell and motor body.
2. a kind of low noise brshless DC motor according to claim 1, it is characterised in that: the lower end of first pillar
Face is fixedly installed with limited block, is fixedly installed with limit in the corresponding position of limited block between second pillar and rubber pad
Plate.
3. a kind of low noise brshless DC motor according to claim 2, it is characterised in that: the damping shell includes upper
Shell and lower case, the upper housing two sides are welded with the first trunnion, and the lower case two sides are in the corresponding position of the first trunnion
It is welded with the second trunnion, is equipped with fastening screw between first trunnion and the second trunnion.
4. a kind of low noise brshless DC motor according to claim 3, it is characterised in that: the upper housing is hollow folder
Layer structure, uniformly disk is equipped with heat exchanger tube in the interlayer of the upper housing, and the inlet and outlet of the heat exchanger tube is installed in upper casing
On external wall.
5. a kind of low noise brshless DC motor according to claim 4, it is characterised in that: opened up on second rotary table
There is the second bolt hole, fastening bolt is equipped in second bolt hole, the lower case is offered for fastening bolt sliding
Through slot.
6. a kind of low noise brshless DC motor according to claim 5, it is characterised in that: the buffer layer includes rubber
Resilient cushion and heat-conducting silica gel sheet, the Rubber shock-absorbing pad and heat-conducting silica gel sheet arranged for interval.
7. low noise brshless DC motor according to any claim from 1 to 6, it is characterised in that: the damping
The inner wall of shell is equipped with acoustical cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477140.8U CN208923997U (en) | 2018-09-11 | 2018-09-11 | A kind of low noise brshless DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821477140.8U CN208923997U (en) | 2018-09-11 | 2018-09-11 | A kind of low noise brshless DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208923997U true CN208923997U (en) | 2019-05-31 |
Family
ID=66705074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821477140.8U Active CN208923997U (en) | 2018-09-11 | 2018-09-11 | A kind of low noise brshless DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208923997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266139A (en) * | 2019-06-11 | 2019-09-20 | 常州市元瑞电机科技有限公司 | A kind of motor self-balance structure and installation method |
| CN114094756A (en) * | 2021-10-26 | 2022-02-25 | 徐州统一电机有限公司 | Frequency-conversion speed-regulation energy-saving motor |
-
2018
- 2018-09-11 CN CN201821477140.8U patent/CN208923997U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110266139A (en) * | 2019-06-11 | 2019-09-20 | 常州市元瑞电机科技有限公司 | A kind of motor self-balance structure and installation method |
| CN114094756A (en) * | 2021-10-26 | 2022-02-25 | 徐州统一电机有限公司 | Frequency-conversion speed-regulation energy-saving motor |
| CN114094756B (en) * | 2021-10-26 | 2022-11-01 | 徐州统一电机有限公司 | Frequency-conversion speed-regulation energy-saving motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208923997U (en) | A kind of low noise brshless DC motor | |
| CN214705649U (en) | Damping mechanism for mounting resin insulation dry type transformer | |
| CN210297434U (en) | Colliery is high-efficient heat dissipation heat sink for motor | |
| CN211830471U (en) | Automatic motor heat abstractor that uses of electrical engineering | |
| CN211550763U (en) | Anti-seismic support and hanger for electromechanical pipelines of building | |
| CN206226179U (en) | A kind of novel air compressor motor | |
| CN113329594A (en) | Heat dissipation converter | |
| CN109291777B (en) | Motor driving mechanism of new energy automobile | |
| CN206131512U (en) | Damping device of stirling refrigerator | |
| CN112303177A (en) | Novel vibration/noise reduction device | |
| CN117081307A (en) | Rubber vibration damping washer structure of refrigerator motor bracket | |
| CN114304888B (en) | Dustproof good plane workstation for software development of radiating effect | |
| CN216343651U (en) | Vibration damping base of centrifugal machine for adhesive production | |
| CN213981205U (en) | Oil pump with long service life | |
| CN212297039U (en) | Vibration damping base of centrifugal fan | |
| CN213205952U (en) | Horizontal chemical pump for conveying reaction liquid | |
| CN219287291U (en) | Radiator with stable unit | |
| CN218235487U (en) | Dry-type screw compressor is with mechanism of moving away to avoid possible earthquakes | |
| CN213331538U (en) | Screw air compressor electric drive framework protection assembly | |
| CN221629995U (en) | Noise reduction device for pipeline type fresh air system | |
| CN213628670U (en) | Screw compressor | |
| CN212462421U (en) | Adjustable electric power cabinet | |
| CN221462607U (en) | Air suspension fan for sewage treatment | |
| CN214308332U (en) | Fixing support of condenser | |
| CN218430110U (en) | Novel friction press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210531 Address after: 311401 Building 2, No.12, No.6 Road, Dongzhou industrial functional zone, Dongzhou street, Fuyang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Xinli Electrical Technology Co.,Ltd. Address before: 311401 No.12, No.6 Road, Dongzhou Industrial Park, Fuyang District, Hangzhou City, Zhejiang Province Patentee before: HANGZHOU AOTAI ELECTRICAL Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A low noise brushless DC motor Effective date of registration: 20211014 Granted publication date: 20190531 Pledgee: Zhejiang Fuyang rural commercial bank Limited by Share Ltd. Dongzhou branch Pledgor: Zhejiang Xinli Electrical Technology Co.,Ltd. Registration number: Y2021330001873 |