CN218207154U - Fire-fighting fan with noise reduction function - Google Patents
Fire-fighting fan with noise reduction function Download PDFInfo
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- CN218207154U CN218207154U CN202222554129.XU CN202222554129U CN218207154U CN 218207154 U CN218207154 U CN 218207154U CN 202222554129 U CN202222554129 U CN 202222554129U CN 218207154 U CN218207154 U CN 218207154U
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Abstract
The utility model relates to a fire-fighting fan with function of making an uproar falls belongs to fan equipment technical field, and it includes motor, flabellum and shell, the motor sets up in the shell, the flabellum sets up in the shell and with the output shaft coaxial coupling of motor, be provided with support piece, damper assembly and sound absorption subassembly on the shell, support piece is used for supporting whole, damper assembly is used for slowing down the vibrations that fire-fighting fan during operation produced, sound absorption subassembly is used for right the noise that fire-fighting fan produced absorbs. The utility model discloses have the effect at fan during operation noise reduction, reduction to the influence of surrounding environment.
Description
Technical Field
The utility model belongs to the technical field of fan equipment technique and specifically relates to a fire fan with function of making an uproar is fallen is related to.
Background
The fire-fighting fan is a fan which is specially used for tunnels, underground garages, high-grade civil buildings, metallurgy, factories and mines and the like, and is required to continuously run for more than 60 minutes at the high temperature of 300 ℃ or continuously run for 20 hours/time under the temperature condition of 100 ℃ without damage, ventilates and discharges smoke at the high temperature of fire fighting.
An authorization notice number of CN113217434A discloses an explosion-proof fire-fighting fan, which comprises a fan barrel, wherein a mounting frame is arranged in the fan barrel, an impeller shaft and a driving motor are arranged on the mounting frame, an impeller is arranged at one end of the impeller shaft, a connecting seat is detachably arranged on an output shaft of the driving motor, and a radial buffer component for providing radial elasticity for a connecting sleeve is arranged on the connecting seat; a plurality of groups of connecting assemblies are arranged between the connecting sleeve and the impeller shaft, and an axial buffer assembly used for providing axial elasticity for the impeller shaft is further arranged on the connecting sleeve, so that the impeller is not easy to contact with the inner wall of the fan cylinder to generate sparks, and the safety coefficient is improved.
In view of the above-mentioned related art, the inventors found that at least the following problems exist in the related art: the fire-fighting fan in the related art produces great noise in the process of carrying out ventilation work, seriously influences the surrounding environment.
SUMMERY OF THE UTILITY MODEL
In order to reduce the influence to the surrounding environment, the utility model provides a fire-fighting fan with function of making an uproar is fallen.
The utility model provides a pair of fire fan with function of making an uproar falls adopts following technical scheme:
the utility model provides a fire control fan with function of making an uproar is fallen, includes motor, flabellum and shell, the motor sets up in the shell, the flabellum sets up in the shell and with the output shaft coaxial coupling of motor, be provided with support piece, damper and sound absorption subassembly on the shell, support piece is used for supporting whole, damper is used for slowing down the vibrations that fire control fan during operation produced, sound absorption subassembly is used for right the noise that fire control fan produced absorbs.
By adopting the technical scheme, the integral fire fighting fan is stably supported on the ground by the supporting piece, when the fire fighting fan is used, the motor is started, the motor drives the fan blades to rotate and simultaneously generate certain vibration and noise, the generated vibration is buffered and damped by the damping component, and the generated noise is absorbed by the sound absorption component, so that the influence on the environment is reduced; meanwhile, the damping of the vibration of the fire-fighting fan is also beneficial to protecting the fire-fighting fan and prolonging the service life of components.
Optionally, the supporting member includes a supporting frame, the supporting frame is fixedly disposed on the housing, and a rubber pad is covered on one side of the supporting frame, which is used for being abutted to the ground.
By adopting the technical scheme, when the fire-fighting fan is used, the whole body can vibrate and the support frame can collide with the ground, so that noise is generated; utilize the rubber pad to cushion, weakened holistic vibrations range, and the rubber pad has certain elasticity, can be flat with the whole pad of fire control fan, has improved stability.
Optionally, the shock-absorbing assembly comprises an installation cylinder, a buffer element and an energy dissipation mechanism, the installation cylinder is arranged in the shell, the motor and the fan blades are fixedly arranged inside the installation cylinder, the buffer element is arranged between the installation cylinder and the shell, the buffer element is used for buffering the vibration generated when the fire-fighting fan operates, and the energy dissipation mechanism is used for eliminating the kinetic energy generated by partial vibration.
Through adopting above-mentioned technical scheme, when the fire control fan functions, vibrations can make and produce relative displacement between installation section of thick bamboo and the shell, utilizes the bolster between installation section of thick bamboo and the shell to cushion the relative displacement that vibrations produced to utilize energy dissipation mechanism to carry out the part to the kinetic energy that vibrations produced and eliminate, thereby slow down vibration amplitude, improve stability, reduce noise intensity.
Optionally, the bolster includes a plurality of buffer spring, and is a plurality of buffer spring's one end all sets up on the inner wall of shell, and is a plurality of buffer spring's the other end all sets up on the outer wall of installation section of thick bamboo.
Through adopting above-mentioned technical scheme, utilize buffer spring to cushion the relative displacement that vibrations produced, low cost, simple and practical.
Optionally, the energy dissipation mechanism includes a damping layer, a plurality of insertion blocks and a plurality of matching blocks, the insertion blocks are all disposed on the outer wall of the installation cylinder, the matching blocks are all disposed on the inner wall of the housing, a moving groove for the insertion blocks to insert and slide is formed in the matching blocks, and the damping layer is covered on the insertion blocks and the inner wall of the moving groove.
Through adopting above-mentioned technical scheme, at the in-process that vibrations produced relative displacement, the grafting piece produces the removal in the shifting chute, and the damping layer on the grafting piece takes place violent friction with the damping layer on the shifting chute inner wall, turns into kinetic energy heat energy and disperses to reach the effect of energy dissipation.
Optionally, the damping layer is a high damping rubber layer.
By adopting the technical scheme, the high-damping rubber layer has the advantages of good energy dissipation effect, low cost, firmness, durability and the like.
Optionally, the sound absorption assembly comprises a first sound absorption cotton layer, and the first sound absorption cotton layer is covered on the inner wall of the installation cylinder.
Through adopting above-mentioned technical scheme, the inevitable noise such as can produce wind noise after the fire control fan starts utilizes to inhale the sound cotton and absorbs the noise, and is with low costs, sound absorption effectual, and convenient to detach changes.
Optionally, the sound absorption assembly still includes the second inhales the cotton layer of sound, the spaced apart a plurality of through-holes that are equipped with on the installation section of thick bamboo, the second inhales the cotton layer of sound and fills the shell with between the installation section of thick bamboo.
Through adopting above-mentioned technical scheme, the cotton can't absorb noise whole with the first sound absorption on the installation section of thick bamboo inner wall, and the unabsorbed noise sees through the through-hole and gets into between installation section of thick bamboo and the shell to the cotton layer of sound absorption once more is absorbed by the second between installation section of thick bamboo and the shell, thereby reaches better absorption effect.
To sum up, the utility model discloses a following at least one kind of useful technological effect:
1. the fire fighting fan is integrally and stably supported on the ground by the supporting piece, when the fire fighting fan is used, the motor is started, the motor drives the fan blades to rotate and simultaneously generate certain vibration and noise, the generated vibration is buffered and damped by the damping assembly, and the generated noise is absorbed by the sound absorption assembly, so that the influence on the environment is reduced; meanwhile, the damping of the vibration of the fire-fighting fan is also beneficial to protecting the fire-fighting fan, and the service life of the components is prolonged;
2. when the fire-fighting fan is used, the whole body can vibrate and the support frame can collide with the ground, so that noise is generated; the rubber cushion is used for buffering, so that the overall vibration amplitude is weakened, the rubber cushion has certain elasticity, the fire fighting fan can be integrally cushioned, and the stability is improved;
3. in the process that vibrations produced relative displacement, the grafting piece produces in the shifting chute and removes, and the damping layer on the grafting piece takes place violent friction with the damping layer on the shifting chute inner wall, turns into heat energy with kinetic energy and disperses to reach the effect of energy dissipation.
Drawings
Fig. 1 is a schematic structural diagram of a fire fighting blower with a noise reduction function according to an embodiment of the present application.
Fig. 2 is a sectional view of a fire fighting fan with a noise reduction function according to an embodiment of the present application.
Description of reference numerals: 1. a housing; 2. a motor; 3. a fan blade; 4. a support frame; 41. a rubber pad; 5. a shock absorbing assembly; 51. mounting the cylinder; 511. a through hole; 52. a buffer spring; 53. an energy dissipation mechanism; 531. a damping layer; 532. an insertion block; 533. a matching block; 5331. a moving groove; 6. a sound absorbing assembly; 61. a first sound absorbing cotton layer; 62. the second sound absorption cotton layer.
Detailed Description
The present invention is described in further detail below with reference to fig. 1-2.
The embodiment of the utility model discloses fire-fighting fan with function of making an uproar is fallen.
Referring to fig. 1 and 2, a fire-fighting fan with function of making an uproar is fallen includes motor 2, flabellum 3 and shell 1, motor 2 sets up in shell 1, flabellum 3 set up in shell 1 and with motor 2's output shaft coaxial coupling, be provided with support piece on the shell 1, damper assembly 5 and sound absorption assembly 6, support piece is used for supporting wholly, damper assembly 5 is used for slowing down the vibrations that fire-fighting fan during operation produced, sound absorption assembly 6 is used for absorbing the noise that fire-fighting fan produced.
Referring to fig. 1, as an embodiment of the brace, the brace includes a support frame 4, the support frame 4 is fixedly disposed on the housing 1, and a rubber pad 41 is disposed on one side of the support frame 4 for abutting against the ground; when the fire-fighting fan is used, the whole body can generate vibration and the support frame 4 can collide with the ground, so that noise is generated; utilize rubber pad 41 to cushion, weakened holistic vibrations range, and rubber pad 41 has certain elasticity, can be flat with the whole pad of fire control fan, has improved stability.
Referring to fig. 1 and 2, as an embodiment of the damping component 5, the damping component 5 includes a mounting cylinder 51, a buffer member and an energy dissipation mechanism 53, the mounting cylinder 51 is disposed in the housing 1, the motor 2 and the fan blades 3 are both fixedly disposed inside the mounting cylinder 51, the buffer member is disposed between the mounting cylinder 51 and the housing 1, the buffer member is configured to buffer vibrations generated during operation of the fire fighting fan, and the energy dissipation mechanism 53 is configured to dissipate kinetic energy generated by partial vibrations.
In this embodiment, when the fire fighting fan is operated, the relative displacement between the mounting tube 51 and the housing 1 is generated by the vibration, the relative displacement generated by the vibration is buffered by the buffer member between the mounting tube 51 and the housing 1, and the kinetic energy generated by the vibration is partially eliminated by the energy dissipation mechanism 53, so that the vibration amplitude is reduced, the stability is improved, and the noise intensity is reduced.
Referring to fig. 1, as an embodiment of the buffer member, the buffer member includes a plurality of buffer springs 52, one ends of the plurality of buffer springs 52 are fixedly disposed on the inner wall of the housing 1 by bolts, and the other ends of the plurality of buffer springs 51 are fixedly disposed on the outer wall of the mounting cylinder 51 by bolts; the buffer spring 52 is used as a buffer for buffering the relative displacement generated by vibration, so that the cost is low, and the device is simple and practical.
In this embodiment, the number of the buffer springs 52 in each layer is set to eight to achieve better buffering effect, and may be set to other values according to actual requirements.
Referring to fig. 2, as an embodiment of the energy dissipation mechanism 53, the energy dissipation mechanism 53 includes a damping layer 531, a plurality of insertion blocks 532 and a plurality of matching blocks 533, the plurality of insertion blocks 532 are all disposed on an outer wall of the mounting tube 51, the plurality of matching blocks 533 are all disposed on an inner wall of the housing 1, a moving groove 5331 for the insertion block 532 to be inserted and slide is formed on the matching blocks 533, the insertion block 532 is adapted to the moving groove 5331, and the damping layer 531 is coated on inner walls of the insertion block 532 and the moving groove 5331.
In this embodiment, the damping layer 531 is a high damping rubber layer with good energy dissipation effect, low cost, and durability; in the process of generating relative displacement by vibration, the plugging block 532 moves in the moving groove 5331, the high damping rubber layer on the plugging block 532 and the high damping rubber layer on the inner wall of the moving groove 5331 generate violent friction, kinetic energy is converted into heat energy to be diffused, and therefore the effect of energy dissipation is achieved.
Referring to fig. 1 and 2, as an embodiment of the sound absorption assembly 6, the sound absorption assembly 6 includes a first sound absorption cotton layer 61 and a second sound absorption cotton layer 62, the first sound absorption cotton layer 61 is coated on an inner wall of the installation cylinder 51, a plurality of through holes 511 are spaced on the installation cylinder 51, and the second sound absorption cotton layer 62 is filled between the outer shell 1 and the installation cylinder 51.
In the embodiment, after the fire-fighting fan is started, due to various factors, noise such as wind noise and the like can be inevitably generated, and the noise is absorbed by the sound-absorbing cotton, so that the cost is low, the sound-absorbing effect is good, and the disassembly and the replacement are convenient; the cotton layer 61 of the first sound absorption of noise process installation section of thick bamboo 51 and by the partial absorption, the unabsorbed noise sees through-hole 511 and gets into between installation section of thick bamboo 51 and the shell 1 to the cotton layer 62 of the second sound absorption between installation section of thick bamboo 51 and the shell 1 absorbs once more, thereby reaches better absorption effect.
The embodiment of the utility model provides a fire fan with function of making an uproar is fallen to implement the principle and does: the whole fire-fighting fan is supported on the ground through a support frame 4 and is leveled through a rubber pad 41;
when the fire fighting fan is used, the operation of the motor 2 and the fan blades 3 can generate certain vibration, the vibration can enable the installation cylinder 51 and the shell 1 to generate relative displacement, the buffer spring 52 between the installation cylinder 51 and the shell 1 is utilized to buffer the relative displacement generated by the vibration, the insertion block 532 moves in the moving groove 5331 in the process of generating the relative displacement by the vibration, the damping layer 531 on the insertion block 532 and the damping layer 531 on the inner wall of the moving groove 5331 generate severe friction, kinetic energy is converted into heat energy to be diffused, and therefore the effect of energy dissipation and shock absorption is achieved;
after the fire-fighting fan is started, due to various factors, noise such as wind noise and the like can be inevitably generated, and the noise is absorbed by using the sound-absorbing cotton, so that the cost is low, the sound-absorbing effect is good, and the disassembly and the replacement are convenient; the noise passes through the first sound absorbing cotton layer 61 on the mounting tube 51 and is partially absorbed, and the unabsorbed noise enters between the mounting tube 51 and the casing 1 through the through holes 511 and is absorbed again by the second sound absorbing cotton layer 62 between the mounting tube 51 and the casing 1.
Through the design of above-mentioned structure, the vibration amplitude that produces when slowing down the fan operation improves stability, reduces noise intensity to the influence to the surrounding environment has been reduced.
Above is the preferred embodiment of the utility model, not limit according to this the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a fire control fan with function of making an uproar is fallen which characterized in that: including motor (2), flabellum (3) and shell (1), motor (2) set up in shell (1), flabellum (3) set up in shell (1) and with the output shaft coaxial coupling of motor (2), be provided with support piece, damper assembly (5) and sound absorption subassembly (6) on shell (1), support piece is used for supporting whole, damper assembly (5) are used for slowing down the vibrations that fire control fan during operation produced, sound absorption subassembly (6) are used for right the noise that fire control fan produced absorbs.
2. The fire fighting fan with noise reduction function according to claim 1, characterized in that: the support piece comprises a support frame (4), the support frame (4) is fixedly arranged on the shell (1), and one side, which is used for being abutted to the ground, of the support frame (4) is covered with a rubber pad (41).
3. The fire fighting fan with noise reduction function according to claim 1, characterized in that: shock-absorbing component (5) are including installation section of thick bamboo (51), bolster and energy dissipation mechanism (53), installation section of thick bamboo (51) set up in shell (1), motor (2) with flabellum (3) are all fixed to be set up the inside of installation section of thick bamboo (51), the bolster sets up installation section of thick bamboo (51) with between shell (1), the bolster is used for the buffering vibrations that produce during the fire control fan function, energy dissipation mechanism (53) are used for eliminating the kinetic energy that partial vibrations produced.
4. The fire fighting fan with noise reduction function according to claim 3, characterized in that: the buffer piece comprises a plurality of buffer springs (52), one ends of the buffer springs (52) are arranged on the inner wall of the shell (1), and the other ends of the buffer springs (52) are arranged on the outer wall of the installation cylinder (51).
5. The fire fighting fan with noise reduction function according to claim 3, characterized in that: the energy dissipation mechanism (53) comprises a damping layer (531), a plurality of inserting blocks (532) and a plurality of matching blocks (533), the inserting blocks (532) are all arranged on the outer wall of the installation barrel (51), the matching blocks (533) are all arranged on the inner wall of the shell (1), a moving groove (5331) for the inserting blocks (532) to insert and slide is formed in the matching blocks (533), and the damping layer (531) covers the inserting blocks (532) and the moving groove (5331).
6. The fire fighting fan with noise reduction function according to claim 5, characterized in that: the damping layer (531) is arranged as a high damping rubber layer.
7. The fire fighting fan with noise reduction function according to claim 3, characterized in that: the sound absorption assembly (6) comprises a first sound absorption cotton layer (61), and the first sound absorption cotton layer (61) is covered on the inner wall of the installation barrel (51).
8. The fire fighting blower with the noise reduction function according to claim 7, characterized in that: the sound absorption assembly (6) further comprises a second sound absorption cotton layer (62), a plurality of through holes (511) are arranged on the installation barrel (51) at intervals, and the second sound absorption cotton layer (62) is filled between the outer shell (1) and the installation barrel (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222554129.XU CN218207154U (en) | 2022-09-26 | 2022-09-26 | Fire-fighting fan with noise reduction function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222554129.XU CN218207154U (en) | 2022-09-26 | 2022-09-26 | Fire-fighting fan with noise reduction function |
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| Publication Number | Publication Date |
|---|---|
| CN218207154U true CN218207154U (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222554129.XU Active CN218207154U (en) | 2022-09-26 | 2022-09-26 | Fire-fighting fan with noise reduction function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116292351A (en) * | 2023-03-08 | 2023-06-23 | 合肥中科微保可穿戴科技有限公司 | Adjustable multi-head fan assembly and fan assembly |
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2022
- 2022-09-26 CN CN202222554129.XU patent/CN218207154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116292351A (en) * | 2023-03-08 | 2023-06-23 | 合肥中科微保可穿戴科技有限公司 | Adjustable multi-head fan assembly and fan assembly |
| CN116292351B (en) * | 2023-03-08 | 2023-09-29 | 合肥中科微保可穿戴科技有限公司 | Adjustable multi-head fan assembly and fan assembly |
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