CN219795687U - Noise reduction device for direct current fan - Google Patents
Noise reduction device for direct current fan Download PDFInfo
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- CN219795687U CN219795687U CN202320643023.9U CN202320643023U CN219795687U CN 219795687 U CN219795687 U CN 219795687U CN 202320643023 U CN202320643023 U CN 202320643023U CN 219795687 U CN219795687 U CN 219795687U
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- fixedly connected
- direct current
- wall
- current fan
- noise reduction
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- 230000009467 reduction Effects 0.000 title claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 8
- 229920000742 Cotton Polymers 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
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Abstract
The utility model is suitable for fan noise reduction equipment technology, and provides a noise reduction device for a direct current fan, which comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a supporting block, the top end of the supporting block is provided with a storage groove, the inner wall of the storage groove is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with two sliding blocks, a cross rod is fixedly connected between the two sliding blocks, the top end of the cross rod is rotationally connected with a supporting plate, the top end of the supporting plate is fixedly connected with a plurality of upright posts, the top ends of the upright posts are fixedly connected with a fixing frame, the inner walls of the fixing frame are fixedly connected with an air duct together, and the left side of the inner wall of the air duct is fixedly connected with a direct current fan body.
Description
Technical Field
The utility model relates to the technical field of fan noise reduction equipment, in particular to a noise reduction device for a direct current fan.
Background
The direct current fan is a fan which drives a fan impeller to rotate by inputting direct current electric energy, so that the conversion process from the direct current electric energy to mechanical energy is realized, and the noise reduction device for the direct current fan is mechanical equipment for reducing noise of the direct current fan.
At present, the noise reduction device for the direct current fan in the market still has the defect, wherein, because the fan drives the blade to rotate when using, the motor can send noise when the operation, produces noise pollution, therefore needs to make an uproar to the device.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the noise reduction device for the direct current fan with the noise reduction effect.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a device of making an uproar falls in direct current fan, includes the bottom plate, the top fixedly connected with supporting shoe of bottom plate, put the thing groove on the top of supporting shoe, the spout has been seted up to the inner wall in putting the thing groove, the inner wall sliding connection of spout has two sliders, two fixedly connected with horizontal pole between the slider, the top of horizontal pole rotates and is connected with the backup pad, the top fixedly connected with of backup pad a plurality of stands, the equal fixedly connected with in top of stand is fixed frame, the inner wall of fixed frame is fixedly connected with dryer jointly, the inner wall left side fixedly connected with direct current fan body of dryer, the left end fixedly connected with acoustical panel of dryer, a plurality of bleeder vents have all been seted up to acoustical panel's outer wall, the inner wall of dryer corresponds the right side fixedly connected with acoustical panel of direct current fan body, the outer wall of dryer corresponds the equal fixedly connected with soundproof cotton in left side of fixed frame.
The utility model is further provided with: the top of bottom plate corresponds to the inboard fixedly connected with motor of storage tank, the output fixedly connected with dwang of motor.
The utility model is further provided with: the top fixed connection of dwang is in the bottom of horizontal pole, the outer wall downside fixedly connected with rolling disc of dwang.
The utility model is further provided with: the top right side of rolling disc and the bottom right side of backup pad are all fixedly connected with connecting block, downside the inner wall of connecting block rotates and is connected with the telescopic link.
The utility model is further provided with: the top end of the telescopic rod is rotatably connected with the inner side of the upper connecting block.
The utility model has the advantages that:
1. when the device operates, the noise reduction plate at the left end of the direct current fan body carries out noise reduction treatment on the left end of the air duct, and meanwhile, the sound absorption plate at the inner wall of the air duct carries out noise reduction treatment on the right end of the direct current fan body.
2. When the device needs to be subjected to direction adjustment, the motor is controlled to operate at first, the motor drives the rotating rod to rotate, the transverse rod is driven to rotate when the rotating rod rotates, the support plate on the upper side is rotated, then the telescopic rod is controlled to operate, the telescopic rod is lifted up to jack up the connecting block upwards, the inclination degree of the support plate is changed, the direction of the direct-current fan body is controlled to be changed, the effect of omnibearing adjustment is achieved, and the effect of being convenient for adjustment is achieved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a schematic view of the internal structure of the storage tank according to the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is an enlarged view at B in FIG. 2;
FIG. 5 is a schematic view of the outside structure of the air duct of the present utility model;
FIG. 6 is a schematic diagram of the internal structure of the wind tunnel of the present utility model;
FIG. 7 is a sectional view of the inner side structure of the air duct of the present utility model;
in the figure: 1. a bottom plate; 2. a support block; 3. a support plate; 4. a column; 5. an air duct; 6. soundproof cotton; 7. a fixed frame; 8. a muffler plate; 9. a rotating disc; 10. a motor; 11. a storage groove; 12. a connecting block; 13. a telescopic rod; 14. a chute; 15. a sound absorbing panel; 16. a cross bar; 17. a rotating lever; 18. a slide block; 19. a direct current fan body.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Referring to fig. 1-7, the present utility model provides the following technical solutions:
the noise reduction device for the direct current fan comprises a bottom plate 1, wherein a supporting block 2 is fixedly connected to the top end of the bottom plate 1, the bottom plate 1 is used for supporting the supporting block 2, a storage groove 11 is formed in the top end of the supporting block 2, a sliding groove 14 is formed in the inner wall of the storage groove 11, two sliding blocks 18 are slidably connected to the inner wall of the sliding groove 14, the sliding blocks 18 can slide in the sliding groove 14, a cross rod 16 is fixedly connected between the two sliding blocks 18, the cross rod 16 is used for connecting the two sliding blocks 18, a supporting plate 3 is rotatably connected to the top end of the cross rod 16, the supporting plate 3 can rotate on the cross rod 16, a plurality of upright posts 4 are fixedly connected to the top end of the supporting plate 3, a fixed frame 7 is fixedly connected to the top ends of the upright posts 4, the upright posts 4 are used for supporting the fixed frame 7, the inner wall of fixed frame 7 fixedly connected with dryer 5 jointly, fixed frame 7 is used for fixed dryer 5, the equal fixedly connected with sound insulation cotton 6 of the equal fixedly connected with in left side of inner wall of dryer 5, dryer 5 is used for restricting direct current fan body 19, a plurality of bleeder vents have all been seted up to the left end fixedly connected with acoustical panel 8 of dryer 5, acoustical panel 8 is used for making an uproar to the direct current fan left end, the right side fixedly connected with abatvoix 15 of direct current fan body 19 is corresponding to the inner wall of dryer 5, make an uproar to the right-hand member of direct current fan body 19, the outer wall of dryer 5 corresponds the equal fixedly connected with sound insulation cotton 6 of the left side of fixed frame 7, sound insulation cotton 6 is used for making an uproar to make an uproar around the direct current fan body 19.
Wherein, when the device operation, the acoustical panel 8 of direct current fan body 19 left end carries out the noise reduction to the left end of dryer 5, carries out the noise reduction to the right-hand member of direct current fan body 19 at the acoustical panel 15 of the inner wall of dryer 5 simultaneously, has set up soundproof cotton 6 in the outer wall of dryer 5 in addition for direct current fan body 19 obtains the omnidirectional noise reduction, reduces noise pollution, has played the effect of making an uproar that falls.
Secondly, the top of bottom plate 1 corresponds the inboard fixedly connected with motor 10 of putting thing groove 11, limit the position of motor 10, the output fixedly connected with dwang 17 of motor 10, make motor 10 can drive dwang 17 and take place to rotate when the function, the top fixed connection of dwang 17 is in the bottom of horizontal pole 16, make dwang 17 can drive horizontal pole 16 and realize rotating, the outer wall downside fixedly connected with rolling disc 9 of dwang 17, make rolling disc 9 can follow dwang 17 and realize rotating together, the top right side of rolling disc 9 and the bottom right side of backup pad 3 all fixedly connected with connecting block 12, the inner wall rotation of downside connecting block 12 is connected with telescopic link 13, the top rotation of telescopic link 13 is connected with the inboard of upside connecting block 12, thereby the orientation that makes backup pad 3 inclination change and control direct current fan body 19 of telescopic link 13 jack-up connecting block 12.
When the direction of the device needs to be adjusted, the motor 10 is controlled to operate at first, the motor 10 drives the rotating rod 17 to rotate, the transverse rod 16 is driven to rotate when the rotating rod 17 rotates, the upper supporting plate 3 is rotated, the telescopic rod 13 is controlled to operate, the telescopic rod 13 is lifted up the connecting block 12 upwards, the inclination degree of the supporting plate 3 is changed, the direction of the direct-current fan body 19 is controlled to be changed, the effect of omnibearing adjustment is achieved, and the effect of convenient adjustment is achieved.
The working principle of the noise reduction device for the direct current fan provided by the utility model is as follows: firstly, when the device is operated, the silencer 8 at the left end of the direct current fan body 19 carries out noise reduction treatment on the left end of the air duct 5, meanwhile, the sound absorbing plate 15 at the inner wall of the air duct 5 carries out noise reduction treatment on the right end of the direct current fan body 19, and in addition, the outer wall of the air duct 5 is provided with the soundproof cotton 6, so that the direct current fan body 19 obtains omnibearing noise reduction treatment, reduces noise pollution and plays a role in noise reduction; secondly, when the device needs to be subjected to direction adjustment, the motor 10 is controlled to operate at first, the motor 10 drives the rotating rod 17 to rotate, the transverse rod 16 is driven to rotate when the rotating rod 17 rotates, the upper support plate 3 is rotated, the telescopic rod 13 is controlled to operate, the telescopic rod 13 is lifted up the connecting block 12 upwards, the inclination degree of the support plate 3 is changed, the direction of the direct-current fan body 19 is controlled to be changed, the effect of omnibearing adjustment is achieved, and the effect of convenient adjustment is achieved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a device of making an uproar falls in direct current fan, includes bottom plate (1), its characterized in that: the utility model discloses a sound insulation device, including bottom plate (1), thing groove (11) have been seted up on top of bottom plate (1), spout (14) have been seted up to the top of supporting shoe (2), the inner wall in thing groove (11) has been seted up, the inner wall sliding connection of spout (14) has two sliders (18), two fixedly connected with horizontal pole (16) between slider (18), the top of horizontal pole (16) rotates and is connected with backup pad (3), the top fixedly connected with of backup pad (3) a plurality of stand (4), the equal fixedly connected with fixed frame (7) in top of stand (4), the common fixedly connected with dryer (5) of inner wall of fixed frame (7), the inner wall left side fixedly connected with direct current fan body (19) of dryer (5), the left end fixedly connected with acoustical panel (8) of dryer (5), a plurality of bleeder vents have all been seted up to the outer wall of acoustical panel (8), the inner wall of dryer (5) corresponds right side fixedly connected with acoustical panel (15) of direct current fan body (19), the equal fixedly connected with of left side of corresponding fixed frame (6) of dryer (5).
2. The noise reduction device for a direct current fan according to claim 1, wherein: the top of the bottom plate (1) is fixedly connected with a motor (10) corresponding to the inner side of the storage groove (11), and the output end of the motor (10) is fixedly connected with a rotating rod (17).
3. The noise reduction device for a direct current fan according to claim 2, wherein: the top of dwang (17) is fixed connection in the bottom of horizontal pole (16), the outer wall downside fixedly connected with rolling disc (9) of dwang (17).
4. A noise reduction device for a direct current fan according to claim 3, wherein: the right side of the top end of the rotating disc (9) and the right side of the bottom end of the supporting plate (3) are fixedly connected with connecting blocks (12), and the inner wall of each connecting block (12) at the lower side is rotationally connected with a telescopic rod (13).
5. The noise reduction device for a direct current fan according to claim 4, wherein: the top end of the telescopic rod (13) is rotatably connected to the inner side of the upper connecting block (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643023.9U CN219795687U (en) | 2023-03-29 | 2023-03-29 | Noise reduction device for direct current fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320643023.9U CN219795687U (en) | 2023-03-29 | 2023-03-29 | Noise reduction device for direct current fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219795687U true CN219795687U (en) | 2023-10-03 |
Family
ID=88156073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320643023.9U Active CN219795687U (en) | 2023-03-29 | 2023-03-29 | Noise reduction device for direct current fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219795687U (en) |
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2023
- 2023-03-29 CN CN202320643023.9U patent/CN219795687U/en active Active
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