CN206414210U - Hand dryer - Google Patents
Hand dryer Download PDFInfo
- Publication number
- CN206414210U CN206414210U CN201620683689.7U CN201620683689U CN206414210U CN 206414210 U CN206414210 U CN 206414210U CN 201620683689 U CN201620683689 U CN 201620683689U CN 206414210 U CN206414210 U CN 206414210U
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- air
- air inlet
- hand dryer
- intake passage
- 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
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
The utility model is related to hand dryer technical field, and there is provided a kind of hand dryer.The hand dryer includes housing and the motor being arranged in housing；Housing is provided with the first air inlet, and motor has the second air inlet, air intake passage is communicated between the first air inlet and the second air inlet；Baffle plate is provided with air intake passage, having between baffle plate and the inwall of air intake passage is used for the gap by air-flow.Due to the presence of the baffle plate, on the one hand, when the noise that motor is sent outwards is propagated along air intake passage, can be stopped by the baffle plate, part motor noise is reflected back, so that the noise traveled to outside the first air inlet is just substantially reduced；Another convenience, the air-flow entered by the first air inlet can be stopped by baffle plate, so charge air flow can be made to be assembled again after first disperseing, be consequently formed rectification effect, therefore the noise that gas air-flow is produced in itself can also be reduced.
Description
Technical field
The utility model is related to hand dryer technical field, specifically provides a kind of hand dryer provided with noise-reducing components.
Background technology
In recent years, at the restaurant, hotel, lavatory/toilet of the public place such as commercial office building, be typically equipped with being used for
After washing wet hand insertion, the hand drying equipment by blowing out hot blast, for people after hand is washed flash baking hand needs
Hand dryer product.The product produces sizable noise because of air-flow high-speed motion and motor itself in use, in order to
This noise is reduced, the usage experience of user is lifted, prior art substantially reaches that absorption is made an uproar by increasing acoustical cotton in air channel
The purpose of sound.However, simple unobvious by acoustical cotton progress soundproof effect.
In addition, also have some hand dryers by setting a water conservancy diversion frame in motor air inlet, and on the axle center part of water conservancy diversion frame
Extend guide vane, by arcuation guide vane and the structure of above-mentioned composition, hand dryer air inlet is effectively reduced to reach
The noise that place is produced.It is apparent that this its structure is relative complex, manufacturing cost is higher.While guide vane and electrical axis
Axiality require higher, could so maintain the less noise of generation.The rotation of motor guide vane in working condition is same
Sample can produce noise, and the purpose of this and noise reduction runs in the opposite direction.
Utility model content
(1) technical problem to be solved
To be solved in the utility model is existing hand dryer excessive technical problem of noise during dry hand.
(2) technical scheme
In order to solve the above technical problems, the utility model provides a kind of hand dryer.The hand dryer includes housing and setting
Motor in the housing；The housing is provided with the first air inlet, and the motor has the second air inlet, and described first enters
Air intake passage is communicated between air port and second air inlet；Baffle plate, the baffle plate and institute are provided with the air intake passage
State to have between the inwall of air intake passage and be used for the gap by air-flow.
It is preferred that, bearing of trend of the baffle plate perpendicular to the air intake passage.
It is preferred that, the baffle plate is discoid.
It is preferred that, the section of the air intake passage is circle.
It is preferred that, the gap is overall structure in a ring.
It is preferred that, the spacing between the inwall of the edge of the baffle plate and first air intake passage is 1~5cm.
It is preferred that, the baffle plate is fixedly connected with the air intake passage.
It is preferred that, the baffle plate is provided with acoustical cotton towards the side of first air inlet.
It is preferred that, it is detachably connected between the acoustical cotton and the baffle plate.
It is preferred that, the baffle plate outsourcing is provided with acoustical cotton.
It is preferred that, it is covered with drainage hood, the drainage in the air intake passage and in the periphery of second air inlet
Cover is provided with opening.
It is preferred that, the direction of the opening is relative with first air inlet.
It is preferred that, the inwall of the outer wall that the drainage is covered at the opening and the air intake passage is affixed.
It is preferred that, the drainage hood is tapered into by the opening to one end bore connected with second air inlet.
It is preferred that, one end that the drainage hood is connected with second air inlet is globoidal structure.
(3) beneficial effect
The utility model provide a kind of hand dryer, by setting baffle plate in air intake passage, on the one hand can stop by
The noise of air intake passage outflow, on the other hand can make charge air flow realize rectification by disperseing to gather again, to reduce air inlet gas
The noise of stream, thus significantly reduces complete machine noise on the whole.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of hand dryer of the utility model embodiment.
Fig. 2 is the kuppe of the utility model embodiment and the exploded view of motor.
Fig. 3 is the upward view of the first half-shell of the utility model embodiment.
Fig. 4 is the side view of the first half-shell of the utility model embodiment.
Fig. 5 is the front view of the first half-shell of the utility model embodiment.
Reference：
1st, housing；2nd, hand insertion section；3rd, the first air inlet；4th, the first air outlet；5th, motor；6th, air intake passage；7th, air-out
Passage；8th, first half-shell；81st, globoidal structure；9th, the second half-shell；10th, drainage hood；11st, the second air inlet；12nd, baffle plate.
Embodiment
With reference to the accompanying drawings and examples, embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
, it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, term " connection "
It should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be direct phase
Even, it can also be indirectly connected to by intermediary.For the ordinary skill in the art, on being understood with concrete condition
State concrete meaning of the term in the utility model.
Embodiment one
As shown in figure 1, a kind of hand dryer that the utility model embodiment one is provided, including housing 1 and be arranged in housing 1
Motor 5；Housing 1 is provided with the first air inlet 3, and motor 5 has the second air inlet 11, the first air inlet 3 and the second air inlet
Air intake passage 6 is communicated between 11, the air intake passage 6 is formed at a channel design in housing 1；In addition, on housing 1 also
Provided with hand insertion section 2, the inwall of the hand insertion section 2 is provided with the first air outlet 4；Motor 5 also has the second air outlet, and first goes out
Air-out passage 7 is communicated between the air outlet of air port 4 and second.Thus, power is provided for the air intake of hand dryer by motor 5, when
When motor 5 is operated, air-flow enters from the first air inlet 3, then sequentially passes through air intake passage 6, the second air inlet 11, the second air outlet
And air-out passage 7, finally it is discharged into by the first air outlet 4 in insertion section 2 in one's hands, the hand of user is brushed.
Wherein, baffle plate 12 is provided with air intake passage 6, having between the baffle plate 12 and the inwall of air intake passage 6 is used to lead to
The gap of air-flow is crossed, the shape in the gap can be, but not limited to be annular, crescent or polygon etc., as long as can make air inlet gas
Stream passes through.
Due to the presence of the baffle plate 12, on the one hand, can be by when the noise that motor 5 is sent outwards is propagated along air intake passage 6
To the stop of the baffle plate 12, part motor noise is reflected back, and part motor noise can also be absorbed by baffle plate 12, so that passing
The noise outside the first air inlet 3 is multicast to substantially reduce；Another convenience, the air-flow entered by the first air inlet 3 can be by baffle plate
12 stop, charge air flow is first disperseed, and by polymerizeing again behind gap, this process reintegrates air-flow, and script is present disorderly
The air-flow of stream is integrated into air flow direction more homogeneous air-flow, and the oscillation intensity of air-flow can also weaken, and thus make charge air flow
The noise itself produced is also reduced.
Outwards spread out of it follows that the setting of the baffle plate 12 can not only cut down motor noise, air inlet gas can also be reduced
Stream produced noise in itself, thus significantly reduces complete machine noise on the whole.
In addition, the bearing of trend that baffle plate 12 is preferably normal to air intake passage 6 is set, i.e., air intake passage 6 is in the institute of baffle plate 12
Cross section at place position is overlapped with the place plane of baffle plate 12.So set and be advantageous in that, on the one hand, due to motor 5
The noise sent is mainly outwards spread out of by air intake passage 6, so when motor noise is propagated at the position of baffle plate 12, motor
Noise is impinged perpendicularly on baffle plate 12, and now baffle plate 12 is to the reflectivity highest of motor noise, the i.e. resistance to motor noise
Keep off best results.On the other hand, because baffle plate 12 is perpendicular to the direction of charge air flow, so when the vertical directive of charge air flow
After on baffle plate 12, meeting uniform four, which is scattered, to be come, and without concentrating to side, thus can avoid forming local height when by gap
Fast air-flow, and then the generation of squeal-noise can be avoided.
The cross sectional shape of baffle plate 12 and air intake passage 6 is preferably all circle, moreover, the edge of baffle plate 12 and air intake passage 6
Inwall between the gap that is formed be preferably annular, that is to say, that the different circumferential position even widths in the gap, be not present
Situations such as local slot, the dispersed charge air flow come thus can be made uniform by the annular gap again, will not be produced
Raw sharp noise.It should be noted that the cross sectional shape of baffle plate 12 and air intake passage 6 and being not limited to circle, such as also
Can make the shape of baffle plate 12 be adapted with the cross sectional shape of air intake passage 6, can also make to form uniform annular therebetween
Gap.
Further, the spacing between the inwall of the edge of baffle plate 12 and the first air intake passage 6 is preferably 1~5cm, more excellent
Elect 2~3cm as, thus, ensure the annular gap can uniformly by charge air flow while, additionally it is possible to ensure enough
Air inflow, and the gap of the width is also not easy to make air-flow formation dither, i.e., will not send more sharp noise.
Baffle plate 12 is fixedly connected with air intake passage 6, and is preferred to use the stronger material of rigidity and is made, and is existed to prevent baffle plate 12
Made a noise in high velocity air because of vibration, while will not also disturb charge air flow.
Baffle plate 12 is provided with acoustical cotton towards the side of the first air inlet 3, and during air inlet, charge air flow is beaten first
Baffle plate 12 towards the side of the first air inlet 3, subsequent charge air flow can fit the side surface of baffle plate 12, from center to marginal flow
It is dynamic, and due to baffle plate 12 towards the side of the first air inlet 3 provided with acoustical cotton, so charge air flow is actually in the table of baffle plate 12
Flowed in the acoustical cotton in face, and the side of baffle plate 12 towards the first air inlet 3 is the portion that it mainly comes in contact with charge air flow
Point, so charge air flow and the friction noise before baffle plate 12 can be greatly reduced in the setting of the acoustical cotton.
Further, it is preferably to be detachably connected between acoustical cotton and baffle plate 12, because acoustical cotton is while sound-absorbing,
Certain interception function can be played to dust in charge air flow etc., therefore acoustical cotton is easily mingled with largely after long-term use
Dust, can so influence sound-absorbing effect and by property, and will be set between acoustical cotton and baffle plate 12 after being detachably connected, and just may be used
Periodically acoustical cotton is changed, the sound-absorbing effect of acoustical cotton is ensure that with this.
It can also be and be provided with acoustical cotton in the outsourcing of baffle plate 12, that is to say, that baffle plate 12 is except in the first air inlet 3 of direction
Side is present outside acoustical cotton, and in its edge and dorsad the side of the first air inlet 3 also is provided with acoustical cotton；It is present in baffle plate 12
The acoustical cotton of edge plays sound absorption when 12 edge of baffle plate can be bypassed in charge air flow, further improves sound-absorbing effect
Really；And the acoustical cotton for being present in the dorsad side of the first air inlet 3 of baffle plate 12 can absorb part motor noise, thus further
Reduce complete machine noise.The acoustical cotton can be that Whole-dismountable is sheathed on baffle plate 12, be convenient for changing.
Embodiment two
A kind of hand dryer that the utility model embodiment two is provided, including any one of embodiment one is possible implements
Mode, and also done on its basis following improvement：
As shown in figure 1, in the air intake passage 6 and drainage hood 10 is covered with the periphery of second air inlet 11,
Drainage hood 10 is provided with opening, and the second air inlet 11 is realized by the opening on the drainage hood 10 and connected with the first air inlet 3, and
The direction of the opening is preferably relative with the first air inlet 3, and outer wall of the drainage hood 10 in opening region is preferably and institute
The inwall for stating air intake passage 6 is affixed, so that charge air flow more directly, smoothly by opening can be entered in drainage hood 10.
Wherein, because drainage hood 10 is the periphery that covers on the second air inlet 11, i.e., formed in the periphery of the second air inlet 11
The cavity structure of one small range, the cavity structure can play the work of water conservancy diversion to the charge air flow that will enter the second air inlet 11
With, by chaotic air-flow specification it is to be approximately towards the direction of the second air inlet 11, and the softening intensity of air-flow, thus reduce
Even eliminate the inflow noise of the second air inlet 11.
It is maximum to be additionally, since the volume that motor noise goes out by the second air outlet direct projection, so, when the second air outlet
Outer shroud when setting drainage hood 10, reflection can be also formed to the motor noise come out by the second air outlet direct projection and is absorbed, is played
Good insulating effect, thus significantly reduces the motor noise outwards spread out of.
On the projecting direction of the second air outlet, the spacing of the air outlet of drainage hood 10 and second is preferably greater than 8mm, thus makes
Above-mentioned cavity body structure has enough guide spaces, it is sufficient to guiding is integrally formed to charge air flow.
It is preferred that setting acoustical cotton on drainage hood 10, it can be set in the inner side and outer side of drainage hood 10, to strengthen drainage
Cover the assimilation effect of 10 pairs of motor noises.In general, the complete machine noise of hand dryer can be greatly reduced in the drainage hood 10.
In conjunction with shown in Fig. 2, above-mentioned drainage hood 10 can be made up of a first half-shell 8 and second half-shell 9；The
One half-shell 8 is formed at the periphery of the second air outlet；Second half-shell 9 is detachably connected with first half-shell 8, is had to limit one
The cavity body structure of opening, the second air outlet is housed by the cavity body structure.
In conjunction with shown in Fig. 3 to Fig. 5, drainage hood 10 is open to one end bore connected with the second air inlet 11 gradually by it
Diminish, i.e. the area of the upper shed of drainage hood 10 is bigger than the aperture area of one end that drainage hood 10 is connected with the second air inlet 11,
And on airintake direction, the inner space of drainage hood 10 is diminishing, that is to say, that drainage hood 10 is played to charge air flow
One effect for gathering, makes the charge air flow that will enter the second air inlet 11 more concentrate, reduces in the second air inlet 11
The chaotic air-flow of outer formation, reduce further pneumatic noise.
Drainage hood 10 is preferably globoidal structure 81 with one end that the second air inlet 11 is connected, the part of globoidal structure 81 be with
The part that the region of second air inlet 11 is mutually connected, influences maximum to the stream condition for entering the second air inlet 11, but its cambered surface
Shape be more beneficial for will will go into the second air inlet 11 charge air flow specification be perpendicular to the side of the second air inlet 11
To, make charge air flow more smoothly enter the second air inlet 11, thus can further reduce pneumatic noise.
All in all, above-mentioned drainage hood 10 and baffle plate 12 can be formed well to charge air flow noise and motor noise respectively
Inhibition, therefore when the two is applied in combination, can significantly reduce complete machine noise.
In addition, when drainage hood 10 and baffle plate 12 are applied in combination, its noise reduction is but not only simple superposition, because entering
After gas air-flow is when by the gap between baffle plate 12 and air intake passage, the trend gathered to centre can be naturally produced,
During now air-flow is in 10 in drainage hood, and flow tendency phase of the space structure just with internal gas flow itself inside drainage hood
Adapt to, therefore rectification effect is more preferably, and kuppe 10 maintains the homogeneity of air-flow again by the guide functions of itself,
Until most air-flow sends into the second air inlet 11 at last.
It can be seen that, baffle plate 12 is by the cooperation with kuppe 10, and can play more preferably reduces the effect of pneumatic noise.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and replacement can also be made, these change
Enter and replace and also should be regarded as protection domain of the present utility model.
Claims (15)
1. a kind of hand dryer, it is characterised in that including housing and the motor being arranged in the housing；The housing is provided with the
One air inlet, the motor has the second air inlet, and air intake is communicated between first air inlet and second air inlet
Passage；Baffle plate is provided with the air intake passage, having between the baffle plate and the inwall of the air intake passage is used to pass through gas
The gap of stream.
2. hand dryer according to claim 1, it is characterised in that the baffle plate is perpendicular to the extension side of the air intake passage
To.
3. hand dryer according to claim 1, it is characterised in that the baffle plate is discoid.
4. hand dryer according to claim 3, it is characterised in that the section of the air intake passage is circle.
5. hand dryer according to claim 4, it is characterised in that the gap is overall structure in a ring.
6. hand dryer according to claim 5, it is characterised in that the edge of the baffle plate and first air intake passage
Spacing between inwall is 1~5cm.
7. hand dryer according to claim 1, it is characterised in that the baffle plate is fixedly connected with the air intake passage.
8. hand dryer according to claim 1, it is characterised in that the side of the baffle plate towards first air inlet is set
There is acoustical cotton.
9. hand dryer according to claim 8, it is characterised in that detachably connect between the acoustical cotton and the baffle plate
Connect.
10. hand dryer according to claim 1, it is characterised in that the baffle plate outsourcing is provided with acoustical cotton.
11. the hand dryer according to claim any one of 1-10, it is characterised in that in the air intake passage and in institute
The periphery for stating the second air inlet is covered with drainage hood, and the drainage hood is provided with opening.
12. hand dryer according to claim 11, it is characterised in that the direction of the opening and the first air inlet phase
It is right.
13. hand dryer according to claim 12, it is characterised in that outer wall and institute that the drainage is covered at the opening
The inwall for stating air intake passage is affixed.
14. hand dryer according to claim 11, it is characterised in that the drainage hood is by the opening to described second
One end bore of air inlet connection is tapered into.
15. hand dryer according to claim 11, it is characterised in that the drainage hood is connected with second air inlet
One end is globoidal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620683689.7U CN206414210U (en) | 2016-06-29 | 2016-06-29 | Hand dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620683689.7U CN206414210U (en) | 2016-06-29 | 2016-06-29 | Hand dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206414210U true CN206414210U (en) | 2017-08-18 |
Family
ID=59577364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620683689.7U Active CN206414210U (en) | 2016-06-29 | 2016-06-29 | Hand dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206414210U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105919494A (en) * | 2016-06-29 | 2016-09-07 | 广东美的环境电器制造有限公司 | Hand drying machine |
| WO2023010825A1 (en) * | 2021-08-04 | 2023-02-09 | 追觅科技(苏州)有限公司 | Air-out apparatus, display assembly and hand dryer |
-
2016
- 2016-06-29 CN CN201620683689.7U patent/CN206414210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105919494A (en) * | 2016-06-29 | 2016-09-07 | 广东美的环境电器制造有限公司 | Hand drying machine |
| WO2023010825A1 (en) * | 2021-08-04 | 2023-02-09 | 追觅科技(苏州)有限公司 | Air-out apparatus, display assembly and hand dryer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106402974B (en) | A kind of noise reduction range hood | |
| CN105919494A (en) | Hand drying machine | |
| CN106482187B (en) | A kind of application has the range hood of noise reduction impeller | |
| CN206207518U (en) | A kind of noise reduction impeller and application have the range hood of the impeller | |
| CN206414210U (en) | Hand dryer | |
| JP5694310B2 (en) | Hand dryer | |
| CN206239309U (en) | Hand dryer | |
| CN207278585U (en) | Fan noise reduction and air guide structure and gas water heater | |
| CN210441281U (en) | Double-ejection suction-assisting range hood | |
| CN206207517U (en) | A kind of noise reduction impeller and application have the range hood of the impeller | |
| CN219494291U (en) | Humidifier capable of realizing rotary spraying | |
| CN208920164U (en) | Range hood | |
| CN208237932U (en) | Range hood | |
| CN105962827A (en) | Hand dryer | |
| CN209539641U (en) | Blade for impeller, impeller and range hood | |
| WO2022183741A1 (en) | Noise reduction motor assembly and cleaning device | |
| CN206214016U (en) | The ground brush assemblies and the dust catcher with it of dust catcher | |
| CN201897253U (en) | Air intake device at front end of range hood | |
| CN208481227U (en) | Dust catcher | |
| CN210373603U (en) | Side-draft range hood with injection structure | |
| CN107366940A (en) | Range hood | |
| CN210241762U (en) | Air purification module, air conditioner indoor unit and air conditioner | |
| CN111637549B (en) | Indoor air treatment device | |
| CN207922325U (en) | Range hood | |
| CN211066407U (en) | Dust collector with dust collection barrel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |