CN207033793U - A kind of low-noise blower fan - Google Patents
A kind of low-noise blower fan Download PDFInfo
- Publication number
- CN207033793U CN207033793U CN201720552315.6U CN201720552315U CN207033793U CN 207033793 U CN207033793 U CN 207033793U CN 201720552315 U CN201720552315 U CN 201720552315U CN 207033793 U CN207033793 U CN 207033793U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- blower fan
- acoustical cotton
- driving wheel
- sliding block
- 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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Abstract
It the utility model is related to blower fan field, disclose a kind of low-noise blower fan, including bottom plate, the collar, first rotating shaft, second rotating shaft, fix bar, contiguous block, cylinder, flabellum and sliding block, trip bolt is symmetrically installed between the bottom plate and sliding block, the trip bolt surface is provided with the second helical spring, motor is installed inside the collar, driving wheel is installed on the right side of the first rotating shaft, driven pulley is provided with the upside of the driving wheel, belt is connected between the driving wheel and driven pulley, the second rotating shaft surface is provided with sleeve pipe, the first helical spring is installed between the cylinder and bottom plate, the second acoustical cotton uniformly is installed on the right side of the flabellum, ventilation duct uniformly is installed on the right side of the inner barrel, the ventilation duct inner surface is provided with the first acoustical cotton.The utility model reduces noise using acoustical cotton, the first helical spring, the second helical spring and belt, and noise is reduced by way of V belt translation, reduction resonance and acoustical cotton sound-absorbing.
Description
Technical field
It the utility model is related to blower fan field, more particularly to a kind of low-noise blower fan.
Background technology
Acoustical cotton is a kind of manmade inorganic fibre.The natural crystals such as quartz sand, lime stone, dolomite are used to be main former
Material, coordinates the industrial chemicals such as some soda ash, borax to be melt into glass.Under melting state, got rid of into by external force blowing produced cotton-shaped thin
Fiber, it is crossings on different level between fiber and fiber, is intertwined mutually, show many tiny gaps.Traditional blower fan
Noise is bigger when in use, causes environment sound pollution, brings inconvenience, and in general blower fan is all straight by rotating shaft
Wind-receiving fan in succession, rotating shaft is so easily set to produce resonance with fan and produce noise, it is not easy to reduce noise, wind using V belt translation
For machine during being run, in general device is not provided with acoustical cotton, easily produces when being operated and largely makes an uproar
Sound, the device also having when in use, usually secure the fan to some position and used, and easily produce resonance, send and make an uproar
Sound is, it is necessary to be improved.
Utility model content
The purpose of this utility model is to solve the deficiencies in the prior art, there is provided a kind of low-noise blower fan.
The utility model is to be achieved through the following technical solutions：
A kind of low-noise blower fan, including bottom plate and sliding block, fastening spiral shell is symmetrically installed between the bottom plate and sliding block
Nail, the trip bolt surface are provided with the second helical spring, and the collar is welded with the upside of the sliding block, is installed inside the collar
There is motor, first rotating shaft is installed on the right side of the motor, driving wheel, the driving wheel upside are installed on the right side of the first rotating shaft
Provided with driven pulley, belt is connected between the driving wheel and driven pulley, the second rotating shaft is installed on the right side of the driven pulley, it is described
Second rotating shaft surface is provided with sleeve pipe, and both sides are arranged with fix bar to described sleeve pipe up and down, and cylinder is provided with the outside of the fix bar,
First helical spring is installed between the cylinder and bottom plate, contiguous block, the contiguous block are installed on the right side of second rotating shaft
Upper and lower both sides are symmetrically installed with flabellum, the second acoustical cotton are uniformly provided with the right side of the flabellum, the inner barrel right side is uniformly
Ventilation duct is installed, the ventilation duct inner surface is provided with the first acoustical cotton.
As optimal technical scheme of the present utility model, first acoustical cotton and the second acoustical cotton are manmade inorganic fibre
Form.
As optimal technical scheme of the present utility model, the fix bar is connected with barrel soldering.
As optimal technical scheme of the present utility model, the sliding block is slidably connected with trip bolt.
As optimal technical scheme of the present utility model, second rotating shaft is connected with cannula sleeve and fixed with contiguous block
Connection.
Compared with prior art, the beneficial effects of the utility model are：
The utility model reduces noise using acoustical cotton, the first helical spring, the second helical spring and belt, passes through band
Transmission, reduce resonance and the mode of acoustical cotton sound-absorbing and reduce noise, by setting the first helical spring and second helical spring,
Preferably enter row buffering to sliding block and cylinder, reduce the resonance of motor and cylinder, so as to reduce noise, by setting belt, side
Just first rotating shaft and the second rotating shaft are subjected to band connection, so as to accelerate the diffusion of sound, by setting the first acoustical cotton and the
Two acoustical cottons, preferably absorb to sound, so as to reduce noise, and it is simple in construction, it is reasonable in design, it is easy to operate,
Securely and reliably.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure：1st, cylinder, 2, ventilation duct, the 3, first acoustical cotton, 4, bottom plate, the 5, first helical spring, the 6, second spiral bullet
Spring, 7, trip bolt, 8, sliding block, 9, the collar, 10, belt, 11, first rotating shaft, 12, driving wheel, 13, motor, 14, driven pulley,
15th, the second rotating shaft, 16, sleeve pipe, 17, contiguous block, 18, fix bar, 19, flabellum, the 20, second acoustical cotton.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：
A kind of low-noise blower fan, including bottom plate 4 and sliding block 8, it is symmetrically installed between the bottom plate 4 and sliding block 8 tight
Gu screw 7, the sliding block 8 is slidably connected with trip bolt 7, and the surface of trip bolt 7 is provided with the second helical spring 6, institute
State the upside of sliding block 8 and be welded with the collar 9, motor 13 is installed inside the collar 9, the right side of motor 13 is provided with first rotating shaft
11, the right side of first rotating shaft 11 is provided with driving wheel 12, and the upside of driving wheel 12 is provided with driven pulley 14, the driving wheel 12
Belt 10 is connected between driven pulley 14, the right side of driven pulley 14 is provided with the second rotating shaft 15, the table of the second rotating shaft 15
Face is provided with sleeve pipe 16, and described sleeve pipe is arranged with fix bar 18 in both sides about 16, and the outside of fix bar 18 is provided with cylinder 1,
The fix bar 18 is welded to connect with cylinder 1, is provided with the first helical spring 5 between the cylinder 1 and bottom plate 4, and described second
The right side of rotating shaft 15 is provided with contiguous block 17, and second rotating shaft 15 is fixedly connected with the sleeve connection of sleeve pipe 16 and with contiguous block 17,
The contiguous block is symmetrically installed with flabellum 19 in both sides about 17, and the right side of flabellum 19 is uniformly provided with the second acoustical cotton 20, institute
To state the inner right side of cylinder 1 and ventilation duct 2 is uniformly installed, the inner surface of ventilation duct 2 is provided with the first acoustical cotton 3, and described
One acoustical cotton 3 and the second acoustical cotton 20 are formed for manmade inorganic fibre.
Operation principle：Motor 13 is first turned on, motor 13 drives first rotating shaft 11 to be rotated, so that driving wheel 12 enters
Row rotates, and by the transmission of belt 10, is rotated driven pulley 14, so that the second rotating shaft 15 is rotated, drives connection
Block 17 is rotated, so that flabellum 19 is rotated, carries out sound-absorbing by the second acoustical cotton 20 while rotation, and then wind is just
It can be blown out by ventilation duct 2, sound-absorbing is carried out by the first acoustical cotton 3, so as to reduce noise, during fan operation, led to
Cross the first helical spring 5 and the second helical spring 6 enters row buffering, so as to reduce resonance, so as to reduce the noise of blower fan.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of low-noise blower fan, including bottom plate (4) and sliding block (8), it is characterised in that：The bottom plate (4) and sliding block (8)
Between be symmetrically installed with trip bolt (7), trip bolt (7) surface is provided with the second helical spring (6), the sliding block
(8) upside is welded with the collar (9), and motor (13) is provided with inside the collar (9), first is provided with the right side of the motor (13)
Rotating shaft (11), first rotating shaft (11) right side are provided with driving wheel (12), driven pulley are provided with the upside of the driving wheel (12)
(14), it is connected with belt (10) between the driving wheel (12) and driven pulley (14), the is provided with the right side of the driven pulley (14)
Two rotating shafts (15), the second rotating shaft (15) surface are provided with sleeve pipe (16), and both sides are arranged with admittedly described sleeve pipe (16) up and down
Fixed pole (18), fix bar (18) outside are provided with cylinder (1), the first spiral are provided between the cylinder (1) and bottom plate (4)
Spring (5), the second rotating shaft (15) right side are provided with contiguous block (17), and the contiguous block (17) is symmetrically installed with both sides up and down
Flabellum (19), flabellum (19) right side are uniformly provided with the second acoustical cotton (20), and cylinder (1) inner right side is uniformly installed
There is ventilation duct (2), ventilation duct (2) inner surface is provided with the first acoustical cotton (3).
A kind of 2. low-noise blower fan according to claim 1, it is characterised in that：First acoustical cotton (3) and
Two acoustical cottons (20) are formed for manmade inorganic fibre.
A kind of 3. low-noise blower fan according to claim 1, it is characterised in that：The fix bar (18) and cylinder
(1) it is welded to connect.
A kind of 4. low-noise blower fan according to claim 1, it is characterised in that：The sliding block (8) and trip bolt
(7) it is slidably connected.
A kind of 5. low-noise blower fan according to claim 1, it is characterised in that：Second rotating shaft (15) and sleeve pipe
(16) sleeve connection and it is fixedly connected with contiguous block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720552315.6U CN207033793U (en) | 2017-05-17 | 2017-05-17 | A kind of low-noise blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720552315.6U CN207033793U (en) | 2017-05-17 | 2017-05-17 | A kind of low-noise blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033793U true CN207033793U (en) | 2018-02-23 |
Family
ID=61480398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720552315.6U Expired - Fee Related CN207033793U (en) | 2017-05-17 | 2017-05-17 | A kind of low-noise blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111034508A (en) * | 2019-12-30 | 2020-04-21 | 郭芳利 | Heat preservation device and heat preservation method for organic vegetable greenhouse |
-
2017
- 2017-05-17 CN CN201720552315.6U patent/CN207033793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111034508A (en) * | 2019-12-30 | 2020-04-21 | 郭芳利 | Heat preservation device and heat preservation method for organic vegetable greenhouse |
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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: 20180223 Termination date: 20200517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |