CN207638481U - The noise reduction waterproof machine of good reliability - Google Patents
The noise reduction waterproof machine of good reliability Download PDFInfo
- Publication number
- CN207638481U CN207638481U CN201721785602.8U CN201721785602U CN207638481U CN 207638481 U CN207638481 U CN 207638481U CN 201721785602 U CN201721785602 U CN 201721785602U CN 207638481 U CN207638481 U CN 207638481U
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- CN
- China
- Prior art keywords
- hole
- noise reduction
- good reliability
- shell
- waterproof machine
- 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.)
- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a kind of noise reduction waterproof machine of good reliability, can effectively reduce the eddy current effect of fan blade outer end and prevent extraneous moisture from entering inside motor.The noise reduction waterproof machine of the good reliability includes the shell for being formed with multiple stepped holes thereon, the stepped hole is divided into the first hole portion and the second hole portion by the step surface of the stepped hole, the cover board that air guide channel is cooperatively formed with second hole portion is installed on each step surface, sound-absorbing structure is equipped in the air guide channel, the bottom of second hole portion, which is run through, is equipped with first through hole, the one end of the cover board far from the first through hole, which is run through, is equipped with the second through-hole, second through-hole is counterbore, gluing has the waterproof and breathable separator for covering the counterbore on the heavy platform face of the counterbore, the radial air flow that the fan generates can pass sequentially through the first through hole, the air guide channel and second through-hole enter the external world, recess is formed with the excessive glue groove close to heavy platform face inner peripheral on the heavy platform face.
Description
Technical field
The utility model is related to motor device fields, specifically, being related to a kind of noise reduction waterproof machine of good reliability.
Background technology
Motor generally includes to have the rotor of shaft, bearing, stator winding and accommodates rotor, bearing and stator winding
Shell, shell include shell and protecgulum and rear cover set on its both ends, and bearing holder (housing, cover) is set in shaft and is installed on protecgulum.In electricity
During machine operates, since the wire resistor in stator winding, running at high speed for bearing would generally generate largely inside the shell
Heat, with the continuous accumulation of heat, entire motor will overheat, this imitates the electromagnetic conversion for influencing winding coil itself
Can, it could even be possible to influencing the operating of bearing.
In order to reduce heat accumulation to the greatest extent, motor in the prior art is usually equipped with radiator fan in one end of its shaft,
And radiator fan is located in shell, the blade of radiator fan direction is arranged to when being rotated with shaft, and surrounding air is from outside
It is inhaled into motor housing or hot-air is discharged out of shell (generally by the mode reality for covering trepanning after
Gas circulation inside and outside existing shell).However, when being rotated due to fan blade, can cut air can cause unavoidable radial direction
Air-flow, this radial air flow because with shell collision can caused by the outer end of each blade will cause to be vortexed, thus generate unpleasant
Noise in addition blade with vortex generate covibration and cause blade to break down.
Therefore, it is necessary to further be developed to motor in the related technology, to avoid drawbacks described above.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of noise reduction waterproof machine of good reliability, this is reliable
Property good noise reduction waterproof machine not only the radial air flow that fan generates can be oriented to the external world effectively to reduce by channel design
The eddy current effect of fan blade outer end, and can prevent extraneous moisture from entering inside motor by channel design.
The utility model provides a kind of noise reduction waterproof machine of good reliability, including shell, is respectively arranged on the shell two
Hold and be enclosed with the shell protecgulum and rear cover and the fan in the receiving space of receiving space, the shell
Body includes the inner surface and the outer surface that is oppositely arranged with the inner surface towards the receiving space, and the appearance is towards described
Inner surface direction recess is formed with multiple spaced stepped holes of the radial direction along the shell, and the stepped hole is described in
The axial direction of shell extends, and the stepped hole is divided into the first hole portion and relative to described the by the step surface of the stepped hole
One hole portion is installed on each step surface closer to the second hole portion of the receiving space and second hole portion coordinates
The cover board of air guide channel is formed, sound-absorbing structure is equipped in the air guide channel, the bottom of second hole portion is run through to be equipped with and is located at
The first through hole of the fan in the radial direction, the one end of the cover board far from the first through hole, which is run through, is equipped with the second through-hole,
Second through-hole is counterbore, and gluing has the waterproof and breathable separator for covering the counterbore on the heavy platform face of the counterbore, described
The radial air flow that fan generates can pass sequentially through the first through hole, the air guide channel and second through-hole and enter the external world,
Wherein, recess is formed with excessive glue groove, inner peripheral of the excessive glue groove close to the heavy platform face on the heavy platform face.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, described first is logical
Hole includes the first opening and the second opening positioned at its both ends, and first opening is relative to second opening closer to institute
State receiving space.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, described first is logical
The size in hole is open from described first and is gradually reduced to the direction of second opening.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, described first is logical
Hole is tapered along the section in the radial direction of the shell.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, the step surface
It is equipped with seal groove, is equipped with sealing element in the seal groove, the cover board is sealed with the step surface by the sealing element.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, multiple described
Rank hole equidistantly distributed.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, the sound-absorbing knot
Structure is full of the air guide channel.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, in the shell
Axial direction on, the first through hole size be more than the fan size.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, described second is logical
The orthographic projection of hole on the housing is located in the range of second hole portion.
In a kind of preferred embodiment of the noise reduction waterproof machine of good reliability provided by the utility model, described first is logical
The spacing of hole and second through-hole on the axial direction of the shell is 15-35cm.
The advantageous effect of the noise reduction waterproof machine of good reliability provided by the utility model is：It is logical by described first
The radial air flow that the fan generates is oriented to the external world effectively to reduce fan leaf by hole, the air guide channel and second through-hole
The eddy current effect of piece outer end, and produced when radial air flow flowing by the way that the sound-absorbing structure is arranged in the air guide channel with absorbing
Raw noise；Again due to waterproof and breathable separator described in gluing on the heavy platform face, extraneous moisture can be prevented described successively
Second through-hole, the air guide channel and the first through hole enter the receiving space；Simultaneously as being recessed on the heavy platform face
It is formed with the excessive glue groove close to heavy platform face inner peripheral so that the waterproof and breathable separator is by gluing described heavy
When on table top, prevent the glue on the heavy platform face from overflowing in hole the ventilation size for reducing second through-hole, or even block institute
The second through-hole is stated, to improve the reliability of motor.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 be good reliability provided by the utility model noise reduction waterproof machine along shell axis direction sectional view；
Fig. 2 is the part-structure figure of the noise reduction waterproof machine of good reliability shown in Fig. 1；
Fig. 3 is the structural schematic diagram of the noise reduction waterproof machine cover plate of good reliability shown in Fig. 1；
Fig. 4 be good reliability provided by the utility model noise reduction waterproof machine along shell radial direction sectional view；
Fig. 5 be good reliability shown in 4 noise reduction waterproof machine in part A enlarged drawing.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the description for being such as related to " first ", " second " in the present invention is used for description purposes only, without
It can be interpreted as indicating or implying its relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include at least one of the features.In the description of the present invention,
The meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, also may be used
To be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Domain those of ordinary skill can be implemented as basis, will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection domain of the requires of the utility model.
Fig. 1 is please referred to Fig. 5, wherein Fig. 1 is the noise reduction waterproof machine edge of good reliability provided by the utility model
The sectional view of the axis direction of shell；Fig. 2 is the part-structure figure of the noise reduction waterproof machine of good reliability shown in Fig. 1；Fig. 3 is figure
The structural schematic diagram of the noise reduction waterproof machine cover plate of good reliability shown in 1；Fig. 4 is good reliability provided by the utility model
Sectional view of the noise reduction waterproof machine along the radial direction of shell；Fig. 5 be good reliability shown in 4 noise reduction waterproof machine in part A
Enlarged drawing.The noise reduction waterproof machine 100 of the good reliability include shell 1, be respectively arranged on 1 both ends of the shell and with it is described
Shell 1 is enclosed protecgulum 2 and rear cover 3, the fan 4 in the receiving space 100A and shaft of receiving space 100A
5, the shaft 5 passes through the protecgulum 3 to be partially housed in the receiving space 100A, and the fan 4 is fixed on described turn
It can rotate on axis 5 and with the shaft 5.In the present embodiment, pore structure (not shown), the receipts are offered on the rear cover 3
Hold space 100A and gas circulation is realized by the pore structure with extraneous；The fan 4 is configured to, in the fan 4 with institute
When stating the rotation of shaft 5, extraneous surrounding air is inhaled into from outside in the receiving space 100A.Certainly, in other implementations
In example, realize that the set-up mode for the mode and the fan 4 that the receiving space 100A circulates with ambient atmos does not limit to
In this.
The shell 1 includes being oppositely arranged towards the inner surface 11 of the receiving space 100A and with the inner surface 11
Outer surface 13, the outer surface 13 are formed with multiple between the radial direction of the shell 1 to 11 direction of inner surface recess
Every the stepped hole 6 of setting, the stepped hole 6 extends along the axial direction 100B of the shell 1, the step surface of the stepped hole 6
The stepped hole 6 is divided into the first hole portion 61 and relative to first hole portion 61 closer to the receiving space 100A by 60
The second hole portion 63, be installed with the cover board 7 that air guide channel is cooperatively formed with second hole portion 63 on each step surface 60,
Sound-absorbing structure 8 is equipped in the air guide channel, the sound-absorbing structure 8 is made of sound-absorbing material, the bottom of second hole portion 63
Through equipped with the first through hole 65 positioned at the fan 4 in the radial direction, the one end of the cover board 7 far from the first through hole 65
Through equipped with the second through-hole 71, second through-hole 71 is counterbore, there is described in covering gluing on the heavy platform face 711 of the counterbore 71
The waterproof and breathable separator 9 of counterbore 71, the waterproof and breathable separator 9 are made of waterproof material, the radial direction that the fan 4 generates
Air-flow can pass sequentially through the first through hole 65, the air guide channel and second through-hole 71 and enter the external world.Wherein, described heavy
Recess is formed with excessive glue groove 713, inner peripheral of the excessive glue groove 713 close to the heavy platform face 711 on table top 711.Due to described
The radial air flow that the fan 4 generates can be oriented to the external world by first through hole 65, the air guide channel and second through-hole 71,
So as to effectively reduce the eddy current effect of fan blade outer end；Simultaneously as the sound-absorbing in the air guide channel
The sound absorption of structure 8 can effectively absorb the noise generated when radial air flow flowing；Further, since on the heavy platform face 711
Waterproof and breathable separator 9 described in gluing can prevent extraneous moisture second through-hole 71, the air guide channel and institute successively
It states first through hole 65 and enters the receiving space 100A, and be formed with close to described heavy due to being recessed on the heavy platform face 711
The excessive glue groove 713 of 711 inner peripheral of table top so that the waterproof and breathable separator 9 is by gluing on the heavy platform face 711
When, prevent the glue on the heavy platform face 711 from overflowing in hole the ventilation size for reducing second through-hole 71, or even described in blocking
Second through-hole 71, to improve the reliability of motor.
The first through hole 65 includes positioned at first opening 651 at its both ends and the second opening 653, first opening
651 are open 653 closer to the receiving space 100A relative to described second.As one embodiment of the utility model,
The size of the first through hole 65 is gradually reduced from first opening 651 to the direction of second opening 653.It is further excellent
Selection of land, the first through hole 65 are tapered along the section in the radial direction of the shell 1.
As one embodiment of the utility model, the step surface 60 is equipped with seal groove 601, the seal groove 601
Interior to be equipped with sealing element 603, the sealing element 603 is sealing ring or gasket, and the cover board 7 passes through described with the step surface 60
Sealing element 603 seals.In the present embodiment, the cover board 7 is detachably connected with the step surface 60, and tie point is positioned at described
Outside the outer profile range of seal groove 601.
As one embodiment of the utility model, multiple 6 equidistantly distributeds of the stepped hole.
As one embodiment of the utility model, the sound-absorbing structure 8 is full of the air guide channel.
As one embodiment of the utility model, on the axial direction 100B of the shell 1, the first through hole 65
Size is more than the size of the fan 4.
As one embodiment of the utility model, orthographic projection of second through-hole 71 on the shell 1 is located at institute
In the range of stating the second hole portion 63.
The spacing of the first through hole 65 and second through-hole 71 on the axial direction of the shell 1 is too small to be unfavorable for
The absorption of noise, the too big resistance that can be improved again when radial air flow is oriented to extraneous, to be unfavorable for reducing fan blade outer end
Eddy current effect.As one embodiment of the utility model, the first through hole 65 and second through-hole 71 are in the shell 1
Axial direction on spacing be 15-35cm.
In the above-described embodiments, the heavy platform face 711 can also deviate from the sound-absorbing towards the sound-absorbing structure 8
Structure 8.Preferably, the heavy platform face 711 is towards the sound-absorbing structure 8 so that the waterproof and breathable separator 9 is located in institute
It states between heavy platform face 711 and the sound-absorbing structure 8, it is described anti-caused by glue aging after avoiding motor long-time use
Water breathable barrier 9 is detached from the problem of cover board 7, so as to improve the reliability of waterproof.
The noise reduction waterproof machine 100 of good reliability provided by the utility model has the advantages that：Pass through described
The radial air flow that one through-hole 65, the air guide channel and second through-hole 71 generate the fan 4 is oriented to the external world with effective
The eddy current effect of fan blade outer end is reduced, and by the way that the sound-absorbing structure 8 is arranged in the air guide channel to absorb radial direction
The noise that air-flow generates when flowing；Again due to waterproof and breathable separator 9 described in gluing on the heavy platform face 711, can prevent outer
Second through-hole 71, the air guide channel and the first through hole 65 enter the receiving space 100A to the moisture on boundary successively；
Simultaneously as recess is formed with the excessive glue groove 713 close to 711 inner peripheral of heavy platform face on the heavy platform face 711 so that
The waterproof and breathable separator 9 when on the heavy platform face 711, prevents the glue on the heavy platform face 711 from overflowing to by gluing
The ventilation size of second through-hole 71 is reduced in hole, or even blocks second through-hole 71, to improve the reliability of motor.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of noise reduction waterproof machine of good reliability, including shell, it is respectively arranged on the shell both ends and is enclosed with the shell
Close the protecgulum for forming receiving space and rear cover and the fan in the receiving space, which is characterized in that the shell packet
The inner surface towards the receiving space and the outer surface that is oppositely arranged with the inner surface are included, the appearance is towards the interior table
Face direction recess is formed with multiple spaced stepped holes of the radial direction along the shell, and the stepped hole is along the shell
Axial direction extend, the stepped hole is divided into the first hole portion and relative to first hole by the step surface of the stepped hole
Portion is installed on each step surface and is cooperatively formed with second hole portion closer to the second hole portion of the receiving space
The cover board of air guide channel, the air guide channel is interior to be equipped with sound-absorbing structure, and the bottom of second hole portion, which is run through, to be equipped with described in
The first through hole of fan in the radial direction, the one end of the cover board far from the first through hole, which is run through, is equipped with the second through-hole, described
Second through-hole is counterbore, and gluing has the waterproof and breathable separator for covering the counterbore, the fan on the heavy platform face of the counterbore
The radial air flow of generation can pass sequentially through the first through hole, the air guide channel and second through-hole and enter the external world, wherein
Recess is formed with excessive glue groove, inner peripheral of the excessive glue groove close to the heavy platform face on the heavy platform face.
2. the noise reduction waterproof machine of good reliability according to claim 1, which is characterized in that the first through hole includes position
The first opening and the second opening in its both ends, first opening is relative to second opening closer to receiving sky
Between.
3. the noise reduction waterproof machine of good reliability according to claim 2, which is characterized in that the size of the first through hole
It is open from described first and is gradually reduced to the direction of second opening.
4. the noise reduction waterproof machine of good reliability according to claim 3, which is characterized in that the first through hole is described in
The section in the radial direction of shell is tapered.
5. the noise reduction waterproof machine of good reliability according to claim 1, which is characterized in that the step surface is equipped with close
Sealing groove, the seal groove is interior to be equipped with sealing element, and the cover board is sealed with the step surface by the sealing element.
6. the noise reduction waterproof machine of good reliability according to claim 1, which is characterized in that between multiple described stepped holes etc.
Away from distribution.
7. the noise reduction waterproof machine of good reliability according to claim 1, which is characterized in that the sound-absorbing structure is full of institute
State air guide channel.
8. the noise reduction waterproof machine of good reliability according to claim 1, which is characterized in that in the axial direction side of the shell
Upwards, the first through hole size is more than the size of the fan.
9. the noise reduction waterproof machine of good reliability according to claim 1, which is characterized in that second through-hole is described
Orthographic projection on shell is located in the range of second hole portion.
10. the noise reduction waterproof machine of the good reliability according to claim 1 or 9, which is characterized in that the first through hole and
Spacing of second through-hole on the axial direction of the shell is 15-35cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785602.8U CN207638481U (en) | 2017-12-19 | 2017-12-19 | The noise reduction waterproof machine of good reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721785602.8U CN207638481U (en) | 2017-12-19 | 2017-12-19 | The noise reduction waterproof machine of good reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207638481U true CN207638481U (en) | 2018-07-20 |
Family
ID=62853254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721785602.8U Expired - Fee Related CN207638481U (en) | 2017-12-19 | 2017-12-19 | The noise reduction waterproof machine of good reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207638481U (en) |
-
2017
- 2017-12-19 CN CN201721785602.8U patent/CN207638481U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180720 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |