CN209654269U - A kind of firefighting fan - Google Patents
A kind of firefighting fan Download PDFInfo
- Publication number
- CN209654269U CN209654269U CN201920104214.1U CN201920104214U CN209654269U CN 209654269 U CN209654269 U CN 209654269U CN 201920104214 U CN201920104214 U CN 201920104214U CN 209654269 U CN209654269 U CN 209654269U
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- shell
- wall
- fan
- firefighting
- air outlet
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Abstract
The utility model discloses a kind of firefighting fans, including fan body and the damping base being fixed below fan body, the fan body includes shell and the fan assembly positioned at enclosure interior, the upper inner wall of the shell and lower inner wall are equipped with cavity, noise reduction layer is filled in the cavity, the shell is equipped with air inlet and air outlet, the first silencer mechanism is equipped with close to a side end of air inlet in the shell, the air outlet is equipped with the second silencer mechanism, the fan assembly is between the first silencer mechanism and the second silencer mechanism, the lower surface of the damping base is pasted with noise reduction patch.The utility model structure is simple, and the first noise-reducing structure and the second noise-reducing structure is respectively set by the air inlet and air outlet in Blower Housing, can efficiently reduce the noise during blower work.
Description
Technical field
The utility model relates to field of fire fighting equipment, more particularly to a kind of firefighting fan.
Background technique
Blower is to improve gas pressure by the mechanical energy of input to supply gas side by side the machinery of body, it is a kind of driven fluid
It is mechanical.Firefighting fan had both referred to can be continuous under the conditions of continuous operation 60 minutes or more, 100 DEG C of temperature under 300 DEG C of hot conditions
The industrial fan that 20 hours/time are not damaged.
China Patent No. is that the utility model of CN206468564U discloses a kind of firefighting fan easy to remove comprising
Firefighting fan ontology is uniformly fixed with several adjustable bases in the lower section of firefighting fan ontology, in the adjustable base and institute
The rubber buffer for being fixed between firefighting fan body bottom portion and matching with the firefighting fan body shape is stated, it is described adjustable
Pedestal includes being fixed on the support base below the rubber buffer, the support base below the support base, positioned at described
The universal wheel with only lock function of bamboo type electric telescopic rod bottom below support base, can be user-friendly for any
The movement in direction moves firefighting fan at any time with scene of a fire fire behavior.But blower movement is because of wind flow at high speed and equipment sheet
Body can generate noise, generally can reach 60 decibels or so, or even when flow velocity is big, decibels are higher, due to firefighting fan
In do not have noise elimination structure, therefore fan operation generate noise pollution environment.
Utility model content
In order to overcome the shortcomings of the prior art, it is simple, easy to use and make an uproar that the utility model provides a kind of structure
The small firefighting fan of sound.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of firefighting fan, including fan body
And it is fixed on the damping base below fan body, the fan body includes shell and the blower fan group positioned at enclosure interior
Part, the upper inner wall of the shell and lower inner wall are equipped with cavity, and noise reduction layer is filled in the cavity, and the shell is equipped with air inlet
Mouthful and air outlet, be equipped with the first silencer mechanism close to a side end of air inlet in the shell, the air outlet is equipped with the
Two silencer mechanisms, the fan assembly is between the first silencer mechanism and the second silencer mechanism, the following table of the damping base
Face is pasted with noise reduction patch.
Preferably, the fan assembly includes motor, motor cabinet, live spindle and rotating vane, the motor
The both ends of seat are respectively fixedly connected on the inner wall of the housing, and the motor is connected on motor cabinet, and the output shaft direction of the motor goes out
It air port direction and is connect with one end of live spindle, is fixed with rotating vane on the other end of the live spindle.
Preferably, first silencer mechanism includes upper spacer and lower clapboard, the upper spacer and lower clapboard
One end is connect with the upper inner wall of shell and lower inner wall respectively, and buckle, the card are equipped on the inside of the upper spacer and lower clapboard
It buckles and is snapped with acoustical panel, the opening entered for outer gas stream is equipped between the upper spacer and lower clapboard, is set in the opening
There is filter screen.
Preferably, the V-shaped opening of the acoustical panel, the v-shaped opening of the acoustical panel is towards direction of air outlet.
Preferably, quieter material is filled in the acoustical panel, the quieter material is foam or sound-proof material.
Preferably, second silencer mechanism includes hush pipe, and the hush pipe is socketed on air outlet, described
In flexible noise elimination part is staggeredly equipped on the inner wall of hush pipe, the flexibility noise elimination part is wave-shaped.
Preferably, the damping base includes pedestal, damping spring and cushion, and the middle part of the pedestal is equipped with
One end of recessed portion, the damping spring is connected in recessed portion, the other end of the damping spring and the following table of fan body
Face contact, the cushion are removably disposed on the upper surface of pedestal.
Preferably, the upper surface of the pedestal is equipped with convex block, and the lower surface of the cushion is equipped with and convex block phase
Corresponding pore, the pore is matched with convex block limits cushion.
Preferably, it is fixed between the pedestal and fan body by bolt.
Preferably, four corners of the lower surface of the pedestal are connected with universal wheel.
Compared with prior art, the utility model has the beneficial effects that disappearing being filled in the upper inner wall of shell and lower inner wall
Sound-absorbing layer makes it possible to efficiently reduce the noise that blower generates in the process of work and passes out out of shell；Air-flow is in shell
The noise that inside generates, when noise transmission is transmitted in shell, in the noise that air inlet is transmitted by disappearing in acoustical panel
Sound material sponges, and the V-shaped opening of acoustical panel, so that not being reflected back by the noise that acoustical panel absorbs, avoids from opening
It is spread out of at mouthful, and the noise toward transmitting at air outlet is sponged by the flexible noise elimination part on noise reduction inside pipe wall, prevents noise from out
The damping base for passing at air port, while being arranged in the lower part of the housing can efficiently reduce the vibration of shell, and then reduce
The generation of noise, structure is simple, so that meeting the energy conservation and environmental protection requirement to blower in various installation environment leeward functions.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the decomposition diagram of the utility model firefighting fan.
Fig. 2 is the schematic diagram of internal structure of fan body.
1- damping base；101- pedestal；1011- convex block；102- cushion；1021- pore；103- damping spring；104-
Universal wheel；105 recessed portions；2- air inlet；3- air outlet；The second noise-reducing structure of 4-；401- flexibility noise elimination part；5- shell；6- disappears
Sound-absorbing layer；7- motor cabinet；8- rotating vane；9- motor；10- lower clapboard；11- upper spacer；12- buckle；13- acoustical panel；Filter screen；
15- live spindle.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
In the present invention, term " first ", " second " are used for description purposes only, and are not understood to indicate or imply
Relative importance；Furthermore unless specifically defined or limited otherwise, term " installation ", " connected ", " connection " should do broad sense reason
Solution, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, it can also be with
It is electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.
For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
Referring to Fig.1 and 2, a kind of firefighting fan, including fan body and the damping being fixed below fan body
Pedestal 1, fan body include shell 5 and the fan assembly inside shell 5, are equipped in the upper inner wall of shell 5 and lower inner wall
Cavity is filled with noise reduction layer 6 in cavity, and the both ends of shell 5 are respectively equipped with air inlet 2 and air outlet 3, in shell 5 close into
One side end in air port 2 is equipped with the first silencer mechanism, and air outlet 3 is equipped with the second silencer mechanism, and fan assembly is located at first and disappears
Between sound mechanism and the second silencer mechanism, noise reduction patch (not shown) is pasted in the lower surface of damping base 1.
In the present embodiment, the first silencer mechanism includes upper spacer 11 and lower clapboard 10, upper spacer 11 and lower clapboard 10
One end is connect with the upper inner wall of shell 5 and lower inner wall respectively, is equipped with buckle 12 in the inside of upper spacer 11 and lower clapboard 10, card
It is snapped with acoustical panel 13 on button 12, the V-shaped opening of acoustical panel 13, the v-shaped opening of acoustical panel 13 is towards 3 direction of air outlet；Disappear
Quieter material is filled in soundboard 13, quieter material is foam or sound-proof material, is equipped between upper spacer 11 and lower clapboard 10 for outer
The opening that portion's air-flow enters, opening is interior to be equipped with filter screen 14；Second silencer mechanism includes hush pipe 4, and hush pipe 4 is socketed in outlet air
On mouth 3, in flexible noise elimination part 401 is staggeredly equipped on the inner wall of hush pipe 4, flexible noise elimination part 401 is wave-shaped.
By the description above it is found that by the way that air inlet 2 and air outlet 3 is respectively set at the both ends of shell 5, close to air inlet
It is fixed with upper spacer 11 and lower clapboard 10 in the shell of mouth 2, and is connected in the inside of upper spacer 11 and lower clapboard 10 by buckle 12
Be connected to acoustical panel 13, when fan assembly in the process of work, the air-flow outside shell 5 enters under the action of fan assembly
In shell 5, the noise that air-flow generates inside shell 5 at this time, when noise transmission is transmitted in shell 5, first by upper interior
Noise reduction layer 6 on wall and lower inner wall sponges, and is not transferred to outside shell 5, while toward the noise of transmitting at air inlet 2 by noise reduction
Quieter material in plate sponges, and the V-shaped opening of acoustical panel 13, so that not being reflected back toward by the noise that acoustical panel 13 absorbs
It goes, avoids spreading out of from opening, and the noise toward transmitting at air outlet 3 is absorbed by the flexible noise elimination part 401 on 4 inner wall of hush pipe
Fall, prevents noise from passing from air outlet；The damping base 1 of fan body lower part setting can a little reduce blower sheet
The body noise that outside generates during the work time.
Further, the damping base 1 includes pedestal 101, damping spring 103 and cushion 102, in pedestal 101
Portion is equipped with recessed portion 105, and one end of damping spring 103 is connected in recessed portion 105, the other end and blower of damping spring 103
The following table face contact of ontology；It is equipped with convex block 1011 in the upper surface of pedestal 101, the lower surface of cushion 102 is equipped with and convex block
1011 corresponding pores 1021, pore 1021 is matched with convex block 1011 and is limited to cushion 102, so that cushion
102 are removably disposed on the upper surface of pedestal 101；It is fixed between the pedestal 101 and fan body by bolt,
Universal wheel 104 is connected in four corners of the lower surface of pedestal 101.
Seen from the above description, in blower when starting to work, since the effect of fan assembly generates vibration, at this time
The damping spring 103 of 5 lower surface of shell is contacted with shell 5, and 5 compression shock absorption spring 103 of shell can efficiently reduce shell 5
Vibration, and then reduce noise generation, the setting of simultaneous buffering pad 102 can be further reduced due to shell 5 vibration produce
Raw noise.
Further, fan assembly includes motor 9, motor cabinet 7, live spindle 15 and rotating vane 8, and the two of motor cabinet 7
End is respectively fixedly connected on the inner wall of shell 5, and motor 9 is connected on motor cabinet 7, the output shaft of motor 9 towards 3 direction of air outlet and
It is connect with one end of live spindle 15, rotating vane 8 is fixed on the other end of live spindle 15.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (10)
1. a kind of firefighting fan, it is characterised in that: including fan body and the damping base being fixed below fan body, institute
Stating fan body includes shell and the fan assembly positioned at enclosure interior, and the upper inner wall of the shell and lower inner wall are equipped with cavity,
Noise reduction layer is filled in the cavity, the shell is equipped with air inlet and air outlet, the one of close air inlet in the shell
Side end is equipped with the first silencer mechanism, and the air outlet is equipped with the second silencer mechanism, and the fan assembly is located at the first noise reduction
Between mechanism and the second silencer mechanism, the lower surface of the damping base is pasted with noise reduction patch.
2. firefighting fan according to claim 1, it is characterised in that: the fan assembly includes motor, motor cabinet, rotation
Main shaft and rotating vane, the both ends of the motor cabinet are respectively fixedly connected on the inner wall of the housing, and the motor is connected on motor cabinet,
The output shaft of the motor is connect towards direction of air outlet and with one end of live spindle, solid on the other end of the live spindle
It is connected with rotating vane.
3. firefighting fan according to claim 1, it is characterised in that: first silencer mechanism include upper spacer and under every
One end of plate, the upper spacer and lower clapboard is connect with the upper inner wall of shell and lower inner wall respectively, the upper spacer and lower clapboard
Inside be equipped with buckle, acoustical panel is snapped on the buckle, between the upper spacer and lower clapboard be equipped with for outer gas stream
The opening of entrance, the opening is interior to be equipped with filter screen.
4. firefighting fan according to claim 3, it is characterised in that: the V-shaped opening of acoustical panel, the acoustical panel
V-shaped opening is towards direction of air outlet.
5. firefighting fan according to claim 3, it is characterised in that: quieter material is filled in the acoustical panel, it is described
Quieter material is foam or sound-proof material.
6. firefighting fan according to claim 1, it is characterised in that: second silencer mechanism includes hush pipe, described
Hush pipe is socketed on air outlet, is in be staggeredly equipped with flexible noise elimination part on the inner wall of the hush pipe, the flexibility noise elimination part
It is wave-shaped.
7. firefighting fan according to claim 1, it is characterised in that: the damping base include pedestal, damping spring and
The middle part of cushion, the pedestal is equipped with recessed portion, and one end of the damping spring is connected in recessed portion, the damping spring
The other end and fan body following table face contact, the cushion is removably disposed on the upper surface of pedestal.
8. firefighting fan according to claim 7, it is characterised in that: the upper surface of the pedestal is equipped with convex block, described slow
The lower surface of punching pad is equipped with pore corresponding with convex block, and the pore is matched with convex block limits cushion.
9. firefighting fan according to claim 7, it is characterised in that: between the pedestal and fan body by bolt into
Row is fixed.
10. firefighting fan according to claim 7, it is characterised in that: four corners of the lower surface of the pedestal connect
There is universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920104214.1U CN209654269U (en) | 2019-01-22 | 2019-01-22 | A kind of firefighting fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920104214.1U CN209654269U (en) | 2019-01-22 | 2019-01-22 | A kind of firefighting fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654269U true CN209654269U (en) | 2019-11-19 |
Family
ID=68521927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920104214.1U Active CN209654269U (en) | 2019-01-22 | 2019-01-22 | A kind of firefighting fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828357A (en) * | 2020-07-26 | 2020-10-27 | 陈媛媛 | Fan with vibration/noise reduction function |
| WO2023020266A1 (en) * | 2021-08-18 | 2023-02-23 | 浙江双阳风机有限公司 | Box-type exhaust fan |
-
2019
- 2019-01-22 CN CN201920104214.1U patent/CN209654269U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828357A (en) * | 2020-07-26 | 2020-10-27 | 陈媛媛 | Fan with vibration/noise reduction function |
| WO2023020266A1 (en) * | 2021-08-18 | 2023-02-23 | 浙江双阳风机有限公司 | Box-type exhaust fan |
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