CN209695073U - Negative pressure device with denoising structure - Google Patents
Negative pressure device with denoising structure Download PDFInfo
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- CN209695073U CN209695073U CN201822177045.2U CN201822177045U CN209695073U CN 209695073 U CN209695073 U CN 209695073U CN 201822177045 U CN201822177045 U CN 201822177045U CN 209695073 U CN209695073 U CN 209695073U
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- motor
- back cover
- negative pressure
- pressure device
- fixed rack
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Abstract
The utility model discloses a kind of negative pressure device with denoising structure, including electric machine assembly, motor front shroud and motor back cover, motor fixed rack is installed in motor back cover, there are gaps between motor fixed rack and the inner wall of motor back cover, electric machine assembly is mounted in motor fixed rack, the inner wall of electric machine assembly and motor fixed rack and on, there are gaps between lower end, motor front shroud is mounted on the upper end of motor back cover, several groups are provided on the side wall of motor fixed rack in the first circumferentially distributed exhaust vent, several groups are provided on the side wall of motor back cover in the second circumferentially distributed exhaust vent, second exhaust vent is staggered with the first exhaust vent；When the utility model at work, meeting is so that wind is surround in the cavity between motor fixed rack and motor back cover, i.e. so that being flowed out from the wind exported in negative pressure device after detouring in motor fixed rack and the cavity of motor back cover formation, thus come the impact force for weakening wind, and then achieve the purpose that noise reduction.
Description
Technical field
The utility model relates to the negative pressure device technical fields of dust catcher, and in particular to a kind of negative with denoising structure
Pressure device.
Background technique
With the continuous improvement of people's living standards, more and more families have dust catcher, negative pressure device is dust suction
Core component in device, effect is so that negative pressure is generated in dirt cup, to achieve the purpose that dust suction；But at present in dust catcher
Used negative pressure device at work, haves the shortcomings that noise is big, so that discomfort can be brought to user, there are users to use body
Test the disadvantage of sense difference.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of negative pressure device with denoising structure, pass through by
The first exhaust vent on motor fixed rack is staggered with the second exhaust vent on motor back cover, so, fills in negative pressure
When setting work, wind can be made to surround in the cavity between motor fixed rack and motor back cover, i.e., so that from negative pressure device
The wind of output is flowed out after detouring in motor fixed rack and the cavity of motor back cover formation, thus to weaken the impact of wind
Power, and then achieve the purpose that noise reduction.
The negative pressure device with denoising structure of the utility model, including electric machine assembly, motor front shroud and motor back cover, electricity
Motor fixed rack is installed, there are gap, electric machine assemblies between motor fixed rack and the inner wall of motor back cover in machine back cover
It is mounted in motor fixed rack, there are gap, motors between electric machine assembly and the inner wall and upper and lower end of motor fixed rack
Front shroud is mounted on the upper end of motor back cover, and several groups are provided on the side wall of motor fixed rack in the first circumferentially distributed outlet air
Hole is provided with several groups on the side wall of motor back cover in the second circumferentially distributed exhaust vent, the second exhaust vent and the first exhaust vent
It is staggered.
The negative pressure device with denoising structure of the utility model, wherein be respectively and fixedly provided on the outside of every group of first exhaust vent
Sound-absorbing sponge.
The negative pressure device with denoising structure of the utility model, wherein be respectively and fixedly provided on the inside of every group of second exhaust vent
Sound-absorbing sponge.
The negative pressure device with denoising structure of the utility model, wherein be embedded between motor front shroud and electric machine assembly
Motor air inlet sealing ring.
The negative pressure device with denoising structure of the utility model, wherein the outer edge of motor air inlet sealing ring is set
Be equipped with the annular flange turned down to electric machine assembly side, annular flange is set in the outside of electric machine assembly upper end, annular flange with
The outer wall of electric machine assembly and the inner wall tight fit of motor front shroud.
The negative pressure device with denoising structure of the utility model, wherein behind the upper end of motor fixed rack and motor
Sealing ring before motor cover is embedded between the upper end of cover.
The negative pressure device with denoising structure of the utility model, wherein the lower end of motor fixed rack and motor back cover
Interior bottom between be embedded with sealing ring after motor cover.
The negative pressure device with denoising structure of the utility model, wherein be embedded with out in the through-hole of motor back cover tail portion
Line rubber sleeve.
The utility model is by handing over the second exhaust vent on the first exhaust vent and motor back cover on motor fixed rack
Mistake setting so in negative pressure device work, can make wind in the cavity between motor fixed rack and motor back cover
It surround, i.e., so that from the wind exported in negative pressure device after detouring in motor fixed rack and the cavity of motor back cover formation
Outflow, thus to weaken the impact force of wind, and then achieve the purpose that noise reduction.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the decomposition texture schematic diagram of the utility model；
Fig. 3 is the decomposition texture schematic diagram of the utility model；
Fig. 4 is the schematic cross-sectional view of the utility model；
Fig. 5 is the schematic cross-sectional view of the utility model.
Specific embodiment
Multiple embodiments that the utility model will be disclosed with schema below, as clearly stated, in many practices
Details will be explained in the following description.It should be appreciated, however, that the details in these practices does not apply this with limitation practical new
Type.That is, the details in these practices is non-essential in some embodiments of the utility model.In addition, for letter
For the sake of changing schema, some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and non-specifically
The meaning of order or cis-position is censured, it is also non-to limit the utility model, it is retouched just for the sake of difference with same technique term
The component stated or operation are not understood to indicate or imply its relative importance or implicitly indicate indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not within the protection scope of the requires of the utility model.
The negative pressure device with denoising structure of the utility model, including electric machine assembly 1, motor front shroud 2 and motor back cover
3, motor fixed rack 4 is installed in motor back cover 3, there are gap between motor fixed rack 4 and the inner wall of motor back cover 3,
Electric machine assembly 1 is mounted in motor fixed rack 4, between electric machine assembly 1 and the inner wall and upper and lower end of motor fixed rack 4
There are gap, motor front shroud 2 is mounted on the upper end of motor back cover 3, and several groups are provided on the side wall of motor fixed rack 4 in week
To the first exhaust vent 41 of distribution, it is in the second circumferentially distributed exhaust vent 31 that several groups are provided on the side wall of motor back cover 3, the
Two exhaust vents 31 are staggered with the first exhaust vent 41.
The outside of every group of first exhaust vent 41 is respectively and fixedly provided with sound-absorbing sponge 5；By the setting of sound-absorbing sponge, can play pair
By the buffering weakening effect of the wind of the first exhaust vent discharge, achievees the effect that sound-absorbing, so, noise reduction can be better played
Effect；Sound-absorbing sponge can be used the modes such as absorption stickup or package and be fixed at the first exhaust vent.
The inside of every group of second exhaust vent 31 is respectively and fixedly provided with sound-absorbing sponge 5；It, can be to will be from by the setting of sound-absorbing sponge
The wind of second exhaust vent discharge plays buffering weakening effect, achievees the effect that sound-absorbing, so, can better play noise reduction
Effect；Sound-absorbing sponge can be used the modes such as absorption stickup or package and be fixed at the second exhaust vent.
Motor air inlet sealing ring 6 is embedded between motor front shroud 2 and electric machine assembly 1；Pass through motor air inlet sealing ring
Setting, enable to achieve the purpose that damping between motor front shroud and electric machine assembly.
The outer edge of motor air inlet sealing ring 6 is provided with the annular flange 61 turned down to 1 side of electric machine assembly, annular
Flange 61 is set in the outside of 1 upper end of electric machine assembly, annular flange 61 and the outer wall of electric machine assembly 1 and the inner wall of motor front shroud 2
Tight fit；After by using this structure, motor air inlet sealing ring and the reliability after electric machine assembly installation can be improved, and
It can be improved the damping effect between motor front shroud and electric machine assembly；The shape difference or motor group selected by electric machine assembly
When part assembled inside fixed form etc. is different, it can also cancel the annular flange on sealing ring.
Sealing ring 7 before motor cover is embedded between the upper end of motor fixed rack 4 and the upper end of motor back cover 3；It is logical
The setting for crossing sealing ring before motor cover, enables to achieve the purpose that damping between motor fixed rack and motor back cover.
Sealing ring 8 after motor cover is embedded between the lower end of motor fixed rack 4 and the interior bottom of motor back cover 3；Pass through
The setting of sealing ring after motor cover enables to achieve the purpose that damping between motor fixed rack and motor back cover.
Outlet rubber sleeve 9 is embedded in the through-hole 32 of 3 tail portion of motor back cover；Pass through the setting of outlet rubber sleeve, motor group
The conducting wire that part is drawn can be pierced by from outlet rubber sleeve, can play the protective effect to conducting wire；Such as internal wire laying mode
When change, the through-hole of motor back cover tail portion can select arrangement position according to specific structure arrangement demand, while outlet rubber stopper
Also it chooses whether to need to use the part according to specific needs.
Upper described only the embodiments of the present invention, is not intended to limit the utility model.For this field
For technical staff, various modifications and changes may be made to the present invention.The interior institute of all spirit and principle in the utility model
Any modification, equivalent substitution, improvement and etc. of work should all include within the scope of the claims of the utility model.
Claims (8)
1. a kind of negative pressure device with denoising structure, including electric machine assembly (1), motor front shroud (2) and motor back cover (3),
It is characterized in that: being equipped with motor fixed rack (4) in the motor back cover (3), the motor fixed rack (4) and motor back cover
(3) there are gap between inner wall, the electric machine assembly (1) is mounted in motor fixed rack (4), the electric machine assembly (1)
There are gap between the inner wall and upper and lower end of motor fixed rack (4), the motor front shroud (2) is mounted on motor back cover
(3) upper end, several groups is provided on the side wall of the motor fixed rack (4) in circumferentially distributed the first exhaust vent (41),
Several groups are provided on the side wall of the motor back cover (3) in circumferentially distributed the second exhaust vent (31), second exhaust vent
(31) it is staggered with the first exhaust vent (41).
2. the negative pressure device according to claim 1 with denoising structure, which is characterized in that every group of first exhaust vent (41)
Outside be respectively and fixedly provided with sound-absorbing sponge (5).
3. the negative pressure device according to claim 1 with denoising structure, which is characterized in that every group of second exhaust vent (31)
Inside be respectively and fixedly provided with sound-absorbing sponge (5).
4. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor front shroud
(2) it is embedded between electric machine assembly (1) motor air inlet sealing ring (6).
5. the negative pressure device according to claim 4 with denoising structure, which is characterized in that the motor air inlet sealing
The outer edge of circle (6) is provided with the annular flange (61) turned down to electric machine assembly (1) side, and the annular flange (61) is arranged
In the outside of electric machine assembly (1) upper end, the outer wall of the annular flange (61) and electric machine assembly (1) and motor front shroud (2) it is interior
Wall tight fit.
6. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor is fixed
Sealing ring (7) before motor cover is embedded between the upper end of bracket (4) and the upper end of motor back cover (3).
7. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor is fixed
Sealing ring (8) after motor cover is embedded between the lower end of bracket (4) and the interior bottom of motor back cover (3).
8. the negative pressure device according to claim 1 to 3 with denoising structure, which is characterized in that the motor back cover
(3) outlet rubber sleeve (9) are embedded in the through-hole (32) of tail portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177045.2U CN209695073U (en) | 2018-12-24 | 2018-12-24 | Negative pressure device with denoising structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822177045.2U CN209695073U (en) | 2018-12-24 | 2018-12-24 | Negative pressure device with denoising structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209695073U true CN209695073U (en) | 2019-11-29 |
Family
ID=68638234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822177045.2U Active CN209695073U (en) | 2018-12-24 | 2018-12-24 | Negative pressure device with denoising structure |
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| Country | Link |
|---|---|
| CN (1) | CN209695073U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109528081A (en) * | 2018-12-24 | 2019-03-29 | 宁波富佳实业股份有限公司 | Negative pressure device with denoising structure |
-
2018
- 2018-12-24 CN CN201822177045.2U patent/CN209695073U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109528081A (en) * | 2018-12-24 | 2019-03-29 | 宁波富佳实业股份有限公司 | Negative pressure device with denoising structure |
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