CN216554641U - Ventilation equipment that makes an uproar falls in area - Google Patents
Ventilation equipment that makes an uproar falls in area Download PDFInfo
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- CN216554641U CN216554641U CN202123153663.1U CN202123153663U CN216554641U CN 216554641 U CN216554641 U CN 216554641U CN 202123153663 U CN202123153663 U CN 202123153663U CN 216554641 U CN216554641 U CN 216554641U
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- air inlet
- ventilation
- inlet box
- hose
- noise reduction
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Abstract
The utility model discloses a ventilation device with a noise reduction function, which comprises an air inlet box and a ventilation pipeline, wherein the air inlet box is in penetrating connection with the ventilation pipeline, one end of the air inlet box is fixedly connected with a ventilation grille through a screw, two bases are arranged at the bottom of the air inlet box, a damping assembly is arranged in each base and is fixedly connected with the bottom of the air inlet box, a fan body is fixedly arranged in each air inlet box, a hose is arranged in each ventilation pipeline, one end of each hose is communicated with the air inlet box, and a buffer spring is fixedly arranged between the outer wall of each hose and the inner wall of the ventilation pipeline. This ventilation equipment of making an uproar falls in area, through damper, damping spring deformation carries out effectual absorption to the vibrations that fan body work produced, reduces the production of noise, through the setting of hose and amortization piece, can control the velocity of flow of air current, reaches noise elimination noise reduction effect, through inhaling the further absorption sound energy of sound cotton simultaneously, reaches the purpose of making an uproar of falling.
Description
Technical Field
The utility model relates to the technical field of ventilation equipment, in particular to ventilation equipment with a noise reduction function.
Background
The ventilation equipment is commonly used in a ventilation and dust removal device, can ensure clean production environment and protect the physical and psychological health of producers.
At present, current ventilation equipment mostly does not have the absorbing effect, when ventilating, its fan work can produce vibrations, the vibrations that the pipeline received and cause the noise pollution, current ventilation equipment is when ventilating simultaneously, the inconvenient control of the inside air current velocity of flow of pipeline, easily makes the air current velocity of flow too high, produces the noise, and the noise directly discharges the exterior space through the pipeline and forms the noise pollution, influences user's work easily, has reduced ventilation equipment's practicality.
We have therefore improved this by providing a ventilation device with noise reduction.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model relates to a ventilation device with noise reduction function, which comprises an air inlet box and a ventilation pipeline, wherein the air inlet box is in penetrating connection with the ventilation pipeline, one end of the air inlet box is fixedly connected with a ventilation grille through a screw, two bases are arranged at the bottom of the air inlet box, a damping assembly is arranged inside the bases and is fixedly connected with the bottom of the air inlet box, a fan body is fixedly arranged inside the air inlet box, a hose is arranged inside the ventilation pipeline, one end of the hose is communicated with the air inlet box, a buffer spring is fixedly arranged between the outer wall of the hose and the inner wall of the ventilation pipeline, and a silencing sheet is fixedly arranged inside the hose.
As a preferable technical scheme, the damping assembly comprises two guide rods, two sliding blocks are slidably sleeved on the outer sides of the guide rods, two damping springs are sleeved on the outer sides of the guide rods, and the tops of the sliding blocks are fixedly welded with the bottom of the air inlet box.
As a preferred technical scheme of the utility model, the top of the base is provided with an open slot, the inner wall of the open slot is fixedly connected with two ends of the guide rod, and the damping spring is fixedly arranged between one side, far away from each other, of the two sliding blocks and the inner wall of the open slot.
As a preferable technical scheme of the utility model, one side of the sliding block is provided with a limiting hole, and the side wall of the limiting hole is in sliding connection with the outer side of the corresponding guide rod.
As a preferable aspect of the present invention, the silencing plate has a spiral structure, and an axis of the silencing plate is disposed along an axis of the ventilation duct.
According to a preferable technical scheme of the utility model, sound-absorbing cotton is filled between the outer wall of the hose and the inner wall of the ventilation pipeline, and the sound-absorbing cotton is made of sponge.
As a preferred technical scheme of the utility model, the ventilation pipeline is of a galvanized steel structure, and the inner wall of the ventilation pipeline is in a wave shape.
The utility model has the beneficial effects that:
1. according to the ventilation equipment with the noise reduction function, through the arrangement of the damping component, vibration generated by the working of the fan body is transmitted to the air inlet box and the ventilation pipeline, so that the air inlet box drives the sliding block to move and extrude, the damping spring deforms and effectively absorbs the vibration generated by the working of the fan body, and noise pollution caused by noise generation is avoided;
2. according to the ventilation equipment with the noise reduction function, the hose and the noise reduction sheet are arranged, so that the linear transmission of noise through the ventilation pipeline can be effectively prevented and eliminated, the resistance of airflow passing through the noise reduction sheet is effectively reduced, the flow velocity of the airflow is controlled, and good noise reduction effect is achieved;
3. this take ventilation equipment of making an uproar falls through inhaling the further absorption sound energy of sound cotton, reaches the purpose of making an uproar, and air pipe inner wall is the wave shape, can will pierce through to inhale in the cotton sound is reflected the sound cotton of sound again, makes to inhale the sound cotton and carries out repeated absorption to sound, improves the effect of making an uproar falls in the sound insulation.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic view of the overall structure of a ventilating device with noise reduction according to the present invention;
FIG. 2 is a schematic view of the air inlet box of the ventilation apparatus with noise reduction of the present invention;
FIG. 3 is a disassembled schematic view of a shock absorbing assembly of a ventilation apparatus with noise reduction of the present invention;
fig. 4 is a schematic view of the internal structure of a ventilation duct of a ventilation apparatus with noise reduction according to the present invention.
In the figure: 1. an air inlet box; 2. a ventilation duct; 3. a ventilation grille; 4. a base; 5. a shock absorbing assembly; 501. a guide bar; 502. a slider; 503. a damping spring; 6. a fan body; 7. a hose; 8. a buffer spring; 9. a silencing sheet; 10. and (5) sound absorption cotton.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-4, the ventilation device with noise reduction of the present invention comprises an air inlet box 1 and a ventilation duct 2, wherein the air inlet box 1 is connected with the ventilation duct 2 in a penetrating way, one end of the air inlet box 1 is fixedly connected with a ventilation grille 3 through screws, two bases 4 are arranged at the bottom of the air inlet box 1, a damping component 5 is arranged inside the bases 4, the damping component 5 is fixedly connected with the bottom of the air inlet box 1, a fan body 6 is fixedly arranged inside the air inlet box 1, a hose 7 is arranged inside the ventilation duct 2, one end of the hose 7 is communicated with the air inlet box 1, a buffer spring 8 is fixedly arranged between the outer wall of the hose 7 and the inner wall of the ventilation duct 2, a silencing sheet 9 is fixedly arranged inside the hose 7, when in use, the hose 7 has elasticity, so that the hose can expand when passing through the overlarge airflow, the airflow speed can be reduced, and the noise is reduced.
Wherein, damper 5 includes two guide bars 501, the outside slip cover of guide bar 501 is equipped with two slider 502, the outside cover of guide bar 501 is equipped with two damping spring 503, slider 502 top and the fixed welding in air inlet box 1 bottom, when using, the vibrations transmission that 6 work of fan body produced to air inlet box 1 and air pipe 2, make air inlet box 1 drive slider 502 and remove and extrude, make damping spring 503 take place deformation, the vibrations to 6 work productions of fan body carry out effectual absorption, avoid producing the noise, cause noise pollution.
Wherein, the open slot has been seted up at base 4 top, open slot inner wall and guide bar 501's both ends fixed connection, damping spring 503 fixed mounting is between one side and the open slot inner wall that two sliders 502 kept away from each other, when using, through seting up of open slot, be convenient for to damping component 5's fixed mounting, simultaneously through the extrusion to damping spring 503, make it take place deformation, the elasticity that produces can carry out effectual absorption to the vibrations that fan body 6 work produced, the production that can the noise reduction, avoid the pollution of noise.
Wherein, spacing hole has been seted up to one side of slider 502, and the lateral wall in spacing hole and the outside sliding connection of the guide bar 501 that corresponds can play spacing effect through the setting in spacing hole when using for slider 502 removes the phenomenon that the skew can not appear in the in-process.
Wherein, the noise reduction sheet 9 is the heliciform structure, and the axle center of noise reduction sheet 9 sets up along the axle center of air pipe 2, when using, can stop effectively through being heliciform noise reduction sheet 9, the straight line of noise elimination through air pipe 2 propagates, reach good noise elimination and noise reduction effect, when noise reduction of noise elimination, wind can be through spiral air supply mode through air pipe 2 through the helical passage between the heliciform noise reduction sheet 9 and transmit, the resistance of wind through noise reduction sheet 9 has been reduced effectively, the velocity of flow of air current has been controlled, the normal air supply of air pipe 2 has been guaranteed.
Wherein, it has the sound cotton 10 of inhaling to fill between 7 outer walls of hose and the 2 inner walls of air pipe, and inhales the material of sound cotton 10 and be the sponge, and when using, inhale sound cotton 10 and have good sound effect of inhaling, further absorption sound energy reaches the purpose of making an uproar.
Wherein, air pipe 2 is the galvanized steel structure, and 2 inner walls of air pipe are the wave form, and when using, 2 inner walls of air pipe are the wave form, can reflect the sound of inhaling cotton 10 again that pierces through and inhale in inhaling cotton 10, make inhale that cotton 10 carries out iterative absorption to sound, improve the effect of making an uproar that gives sound insulation and fall.
The working principle is as follows: the ventilation equipment with the noise reduction function is different from the prior art, has a reasonable structure, is convenient to use and simple to operate, and can enable a user to simply and clearly understand the working principle;
when the fan is used, vibration generated by the working of the fan body 6 is transmitted to the air inlet box 1 and the ventilation pipeline 2, so that the air inlet box 1 drives the sliding block 502 to move and extrude, the damping spring 503 deforms and effectively absorbs the vibration generated by the working of the fan body 6, and noise pollution caused by noise is avoided;
when the airflow passes through the hose 7, the hose 7 has elasticity, so that the airflow can expand when passing through the overlarge airflow, the airflow velocity is reduced, the noise is reduced, meanwhile, the airflow can effectively prevent and eliminate the linear transmission of the noise through the ventilation pipeline 2 through the spiral silencing sheet 9, the resistance of the airflow passing through the silencing sheet 9 is effectively reduced, the airflow velocity is controlled, and good silencing and noise reduction effects are achieved; through inhaling the further absorption sound energy of cotton 10, reach the purpose of making an uproar of falling, and 2 inner walls of ventilation pipe are wave shape, can reflect the sound of inhaling cotton 10 of sound penetration back again and inhale in the cotton 10 of sound, make inhale the cotton 10 of sound and carry out repeated absorption to sound, improve the effect of making an uproar of giving sound insulation.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A ventilation device with noise reduction function comprises an air inlet box (1) and a ventilation pipeline (2), it is characterized in that the air inlet box (1) is connected with the ventilation pipeline (2) in a penetrating way, one end of the air inlet box (1) is fixedly connected with a ventilation grid (3) through a screw, two bases (4) are arranged at the bottom of the air inlet box (1), a damping component (5) is arranged in each base (4), the damping component (5) is fixedly connected with the bottom of the air inlet box (1), a fan body (6) is fixedly arranged in the air inlet box (1), a hose (7) is arranged in the ventilation pipeline (2), one end of the hose (7) is communicated with the air inlet box (1), a buffer spring (8) is fixedly installed between the outer wall of the hose (7) and the inner wall of the ventilation pipeline (2), and a silencing sheet (9) is fixedly installed inside the hose (7).
2. The ventilation equipment with the noise reduction function according to claim 1, wherein the damping assembly (5) comprises two guide rods (501), two sliding blocks (502) are slidably sleeved on the outer sides of the guide rods (501), two damping springs (503) are sleeved on the outer sides of the guide rods (501), and the tops of the sliding blocks (502) are fixedly welded with the bottom of the air inlet box (1).
3. The ventilation apparatus with noise reduction function according to claim 2, wherein an open slot is formed at the top of the base (4), the inner wall of the open slot is fixedly connected with two ends of the guide rod (501), and the damping spring (503) is fixedly installed between one side of the two sliders (502) away from each other and the inner wall of the open slot.
4. The ventilation equipment with the noise reduction function according to claim 2, wherein one side of the sliding block (502) is provided with a limiting hole, and the side wall of the limiting hole is in sliding connection with the outer side of the corresponding guide rod (501).
5. The ventilation equipment with noise reduction function according to claim 1, wherein the silencing plate (9) is of a spiral structure, and the axial center of the silencing plate (9) is arranged along the axial center of the ventilation pipeline (2).
6. The ventilation equipment with the noise reduction function according to claim 1, wherein sound-absorbing cotton (10) is filled between the outer wall of the hose (7) and the inner wall of the ventilation pipeline (2), and the sound-absorbing cotton (10) is made of sponge.
7. The ventilation equipment with the noise reduction function according to claim 1, wherein the ventilation pipeline (2) is of a galvanized steel structure, and the inner wall of the ventilation pipeline (2) is in a wave shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123153663.1U CN216554641U (en) | 2021-12-15 | 2021-12-15 | Ventilation equipment that makes an uproar falls in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123153663.1U CN216554641U (en) | 2021-12-15 | 2021-12-15 | Ventilation equipment that makes an uproar falls in area |
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| Publication Number | Publication Date |
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| CN216554641U true CN216554641U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123153663.1U Active CN216554641U (en) | 2021-12-15 | 2021-12-15 | Ventilation equipment that makes an uproar falls in area |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992171A (en) * | 2022-08-03 | 2022-09-02 | 中铁十八局集团泵业有限公司 | Pulse interactive dust-settling noise-reducing fan |
-
2021
- 2021-12-15 CN CN202123153663.1U patent/CN216554641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992171A (en) * | 2022-08-03 | 2022-09-02 | 中铁十八局集团泵业有限公司 | Pulse interactive dust-settling noise-reducing fan |
| CN114992171B (en) * | 2022-08-03 | 2022-10-28 | 中铁十八局集团泵业有限公司 | Pulse interactive dust-settling noise-reducing fan |
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