CN220204210U - Noise reduction mechanism for fan - Google Patents
Noise reduction mechanism for fan Download PDFInfo
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- CN220204210U CN220204210U CN202321523769.2U CN202321523769U CN220204210U CN 220204210 U CN220204210 U CN 220204210U CN 202321523769 U CN202321523769 U CN 202321523769U CN 220204210 U CN220204210 U CN 220204210U
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- noise reduction
- mounting frame
- fan
- fastening
- reduction mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 104
- 230000009467 reduction Effects 0.000 title claims abstract description 55
- 229920000742 Cotton Polymers 0.000 claims abstract description 34
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 26
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of fan noise reduction, and discloses a noise reduction mechanism for a fan, which comprises a fan shell, a noise reduction mechanism, a positioning mechanism and a fastening mechanism, wherein the noise reduction mechanism comprises a fan shell, a fan cover and a fan cover; the noise reduction mechanism is arranged in the fan shell in a sliding way, and the positioning mechanism and the fastening mechanism are both arranged on the fan shell. According to the utility model, each transverse plate can be pulled and rotated, so that each fastening rod is far away from the mounting frame, the two ends of each mounting frame can be released from limit, then the deflector rod is slid, the inserted rod is pulled out of the slot, the mounting frame is directly pulled out, sound-absorbing cotton in the mounting frame is torn off, new sound-absorbing cotton is replaced, after replacement, the mounting frame is pushed to slide in the mounting slot until the deepest part of the mounting slot, the pressure spring can squeeze the sliding plate, the inserted rod is reinserted into the slot, the mounting frame is fixed, and after replacement of the sound-absorbing cotton in each mounting frame is completed, the transverse plate can be pulled and rotated, so that the fastening rod is inserted into the fastening slot.
Description
Technical Field
The utility model belongs to the technical field of fan noise reduction, and particularly relates to a noise reduction mechanism for a fan.
Background
The fan is a device for generating air and taking cool in hot days, the electric fan is a device for generating air flow by electric drive, the fan arranged in the fan rotates after being electrified to form natural air to achieve cooling effect, the electric fan is an electric appliance which is frequently used by people, and is used for cooling people in hot weather to provide comfortable environment, the electric fan is various and can be classified into household electric fans and industrial exhaust fans according to purposes.
According to the patent number CN 217207009U's patent discloses a type of making an uproar fan blade falls, the inside of casing is connected with the pivot through drive arrangement, the outside cover of pivot is established and is installed the adapter sleeve, the outside of adapter sleeve is encircleed and is fixed with a plurality of fan blade, the inside of casing is equipped with the sound-proof housing, the sound-proof housing encircles the outside at fan blade, just be equipped with the clearance between sound-proof housing outer wall and the shells inner wall, the clearance between sound-proof housing outer wall and the shells inner wall is encircleed and is equipped with a plurality of amortization section of thick bamboo, and be equipped with a plurality of diffusion hole on the sound-proof housing, the diffusion hole is even one corresponding with the position of amortization section of thick bamboo. The noise-reducing fan blade can effectively block generated noise and improve the noise-reducing effect, so that the quality of the external environment is improved.
However, the sound absorbing cotton in the above proposal is fixedly connected on the inner wall of the shell, so after the fixation is completed, dust can be adsorbed in long-time use to reduce the sound insulation effect, and when the sound absorbing cotton needs to be replaced, personnel are not required to take out and replace the sound absorbing cotton. To this end, we provide a noise reduction mechanism for fans that solves the above problems.
Disclosure of Invention
(one) solving the technical problems
In order to solve the problems in the prior art, the utility model provides a noise reduction mechanism for a fan, which has the advantages of being convenient for taking out and replacing sound-absorbing cotton in a fan shell and being convenient for installing the sound-absorbing cotton in the fan shell.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the noise reduction mechanism for the fan comprises a fan shell, a noise reduction mechanism, a positioning mechanism and a fastening mechanism; the noise reduction mechanisms are arranged in the fan shell in a sliding manner, the positioning mechanisms and the fastening mechanisms are arranged on the fan shell, the noise reduction mechanisms, the positioning mechanisms and the fastening mechanisms are all arranged in a circumferential array, each fastening mechanism corresponds to each noise reduction mechanism one by one, and each positioning mechanism is located between two adjacent noise reduction mechanisms;
the noise reduction mechanism comprises a mounting frame which is arranged in the fan shell in a sliding manner, and sound-absorbing cotton is detachably connected to the inner wall of the mounting frame;
the positioning mechanism comprises a sliding plate, a plug rod and a slot, wherein the sliding plate is arranged on the fan shell in a sliding way, the plug rod is fixedly connected to the sliding plate, the slot is formed in the surface of the mounting frame, and the plug rod is inserted into the slot;
when the noise reduction mechanism is fixed, the inserted link is inserted into the slot on the installation frame through the sliding plate, so that the installation frame is fixed, and when the noise absorption cotton in the noise reduction mechanism is taken out, the sliding plate is used for separating the inserted link from the slot and then sliding the installation frame out of the fan shell, so that the noise absorption cotton is detached and replaced.
In the above technical scheme, preferably, the noise reduction mechanism further comprises a mounting groove formed in the inner wall of the fan housing, a limiting mechanism is arranged on the inner wall of the mounting groove, and the mounting frame is slidably arranged in the mounting groove through the limiting mechanism.
Among the above-mentioned technical scheme, preferably, stop gear is including seting up two guide slots at the mounting groove inner wall, and two guide slots are located the both ends of installing the frame respectively, the guide block has all been linked firmly at the both ends of installing the frame, and two guide blocks slide the setting respectively in two guide slots.
Among the above-mentioned technical scheme, preferably, fall the mechanism of making an uproar and still including fixing the magic subsides at the installing frame inner wall, and inhale the sound cotton and paste the adhesion on the inner wall of installing frame through the magic.
Among the above-mentioned technical scheme, preferred, positioning mechanism still includes the spread groove of seting up on the fan casing and links firmly the guide bar in the spread groove, slide plate sliding connection is in the spread groove, the inserted bar runs through the spread groove and peg graft to in the slot, the through-hole with the guide bar looks adaptation has all been seted up to the inside of slide plate and inserted bar, and the bottom of guide bar does not run through the spread groove, makes slide plate and inserted bar can slide on the guide bar when removing, the surface winding of guide bar has the pressure spring, and the pressure spring links firmly between the inner wall of spread groove and slide plate, link firmly the driving lever on the slide plate.
Among the above-mentioned technical scheme, preferred, fastening mechanism is including fixing the fixed frame and sliding the limiting plate that sets up in fixed frame on fan casing, the inner wall of fixed frame has linked firmly the extension spring, and the extension spring is connected with the limiting plate, it is provided with the diaphragm to rotate on the limiting plate, the dead lever has all been linked firmly to the both ends of diaphragm, set up two fastening grooves with the dead lever looks adaptation on the installing frame, and two fastening grooves set up respectively at the both ends of installing frame, two the dead lever is inserted respectively to one fastening inslot on two installing frames, the drawing plate has been linked firmly in the front of diaphragm.
In the above technical solution, preferably, the front surface of the mounting frame is fixedly connected with a handle.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
when the sound-absorbing cotton in each mounting frame needs to be replaced, each transverse plate is pulled and rotated, each fastening rod is far away from the mounting frame, the two ends of each mounting frame can be released from limit, then the deflector rod is slid, the inserted rod is pulled out of the slot, the mounting frame is directly pulled out, the sound-absorbing cotton in the mounting frame is torn off, new sound-absorbing cotton is replaced again, after replacement, the mounting frame is pushed to slide in the mounting slot until the deepest part of the mounting slot, the pressure spring can squeeze the sliding plate, the inserted rod is inserted into the slot again, the mounting frame is fixed, after the sound-absorbing cotton in each mounting frame is replaced, the transverse plate can be pulled and rotated, and the fastening rod is inserted into the fastening slot, so that the stability between the mounting frames is ensured.
Drawings
FIG. 1 is a schematic rear view of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
FIG. 3 is a schematic elevational cross-sectional view of the present utility model;
FIG. 4 is a schematic view of the fastening mechanism of the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 6 is an enlarged schematic view of the structure of FIG. 2B in accordance with the present utility model;
fig. 7 is an enlarged schematic view of the structure at C in fig. 2 according to the present utility model.
In the figure: 1. a fan housing; 21. a mounting frame; 22. sound absorbing cotton; 23. a mounting groove; 24. a magic tape; 31. a cross plate; 32. a fastening rod; 33. a limiting plate; 34. pulling a plate; 35. a fixed frame; 36. a tension spring; 37. a fastening groove; 4. a handle; 51. a sliding groove; 52. a pressure spring; 53. a guide rod; 54. a sliding plate; 55. a deflector rod; 56. a rod; 57. a slot; 61. a guide groove; 62. and a guide block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 7, the present utility model provides a noise reduction mechanism for a fan, which comprises a fan housing 1, a noise reduction mechanism, a positioning mechanism and a fastening mechanism; the noise reduction mechanisms are arranged in the fan shell 1 in a sliding manner so that people can slide out of the noise reduction mechanisms conveniently, the positioning mechanisms and the fastening mechanisms are arranged on the fan shell 1, the noise reduction mechanisms, the positioning mechanisms and the fastening mechanisms are all arranged in a circumferential array, the noise reduction mechanisms, the positioning mechanisms and the fastening mechanisms are all four, each fastening mechanism corresponds to the noise reduction mechanisms one by one respectively, the noise reduction mechanisms can be fixed in the fan shell 1 through the fastening mechanisms, each positioning mechanism is positioned between two adjacent noise reduction mechanisms respectively, stability can be kept between every two adjacent noise reduction mechanisms through the arrangement of the positioning mechanisms, and the overall stability of the noise reduction mechanisms is further ensured; the noise reduction mechanism comprises a mounting frame 21 which is arranged in the fan shell 1 in a sliding manner, and sound-absorbing cotton 22 is detachably connected to the inner wall of the mounting frame 21, so that the sound-absorbing cotton 22 can be conveniently dismounted in the mounting frame 21, and meanwhile, the mounting frame 21 can also be slidably mounted in the fan shell 1; the positioning mechanism comprises a sliding plate 54 arranged on the fan housing 1 in a sliding manner, an inserting rod 56 fixedly connected to the sliding plate 54 and an inserting groove 57 formed in the surface of the mounting frame 21, the inserting rod 56 is inserted into the inserting groove 57, and the front surface of the inserting rod 56 is provided with an inclined surface so that the mounting frame 21 can push and press the inserting groove 57 to move, and a fixing effect can be achieved on the mounting frame 21 in the fan housing 1; when the noise reduction mechanism is fixed, the inserting rod 56 is inserted into the inserting groove 57 on the mounting frame 21 through the sliding plate 54 so as to fix the mounting frame 21, and when the sound absorbing cotton 22 in the noise reduction mechanism is taken out, the inserting rod 56 is separated from the inserting groove 57 through the sliding plate 54, and then the mounting frame 21 is slid out of the fan shell 1 so as to detach and replace the sound absorbing cotton 22.
As shown in fig. 2, 3 and 7, the noise reduction mechanism further comprises a mounting groove 23 formed in the inner wall of the fan housing 1, a limiting mechanism is arranged on the inner wall of the mounting groove 23, the mounting frame 21 is slidably arranged in the mounting groove 23 through the limiting mechanism, the mounting frame 21 can slide in the mounting groove 23, and further the sound absorbing cotton 22 can perform noise reduction treatment on the operation of the fan in the fan housing 1, and the stable sliding of the mounting frame 21 is ensured under the arrangement of the limiting mechanism.
As shown in fig. 7, the limiting mechanism includes two guide grooves 61 formed in the inner wall of the mounting groove 23, the two guide grooves 61 are respectively located at two ends of the mounting frame 21, the two ends of the mounting frame 21 are fixedly connected with guide blocks 62, the two guide blocks 62 are respectively slidably arranged in the two guide grooves 61, and under the arrangement of the structure, when the mounting frame 21 slides out, the guide blocks 62 can be limited and blocked by the guide grooves 61, so that the mounting frame 21 is prevented from sliding out of the fan housing 1.
As shown in fig. 7, the noise reduction mechanism further comprises a magic tape 24 fixedly connected to the inner wall of the mounting frame 21, and the sound absorbing cotton 22 is adhered to the inner wall of the mounting frame 21 through the magic tape 24, the magic tape 24 is in the prior art, and the sound absorbing cotton 22 can be more conveniently connected to the mounting frame 21 through the arrangement of the magic tape 24 so as to facilitate the replacement of the sound absorbing cotton 22 by subsequent personnel.
As shown in fig. 6, the positioning mechanism further includes a sliding groove 51 formed on the fan housing 1 and a guide rod 53 fixedly connected in the sliding groove 51, the sliding plate 54 is slidably connected in the sliding groove 51, the inserting rod 56 penetrates through the sliding groove 51 and is inserted into the inserting groove 57, through holes matched with the guide rod 53 are formed in the sliding plate 54 and the inserting rod 56, the bottom end of the guide rod 53 does not penetrate through the sliding groove 51, the sliding plate 54 and the inserting rod 56 can slide on the guide rod 53 when moving, the surface of the guide rod 53 is wound with a pressure spring 52, the pressure spring 52 is fixedly connected between the inner wall of the sliding groove 51 and the sliding plate 54, and the pulling rod 55 is fixedly connected on the sliding plate 54.
As shown in fig. 4 and 5, the fastening mechanism includes a fixing frame 35 fixedly connected to the fan housing 1 and a limiting plate 33 slidably disposed in the fixing frame 35, wherein a tension spring 36 is fixedly connected to an inner wall of the fixing frame 35, the tension spring 36 is connected to the limiting plate 33, a transverse plate 31 is rotatably disposed on the limiting plate 33, two fastening grooves 37 adapted to the fastening rods 32 are formed in the mounting frame 21, the two fastening grooves 37 are respectively disposed at two ends of the mounting frame 21, the two fastening rods 32 are respectively inserted into one fastening groove 37 formed in the two mounting frames 21, a pulling plate 34 is fixedly disposed on a front surface of the transverse plate 31, through the arrangement of the structure, after each mounting frame 21 slides into the fan housing 1, the transverse plate 31 can be rotated, the two fastening rods 32 on the transverse plate 31 are respectively inserted into the two adjacent fastening grooves 37, the mounting frame 21 can be further fixed, a good fastening effect is achieved on the mounting frame 21, the mounting frame 21 is prevented from shaking the mounting frame 21, and the two mounting frames 21 need to be prevented from being separated from the rotating and being moved away from the mounting frame 31 when the two mounting frames 21 are arranged in the fan housing 1.
As shown in fig. 2, the front surface of the mounting frame 21 is fixedly connected with a handle 4, so that a person can slide the mounting frame 21 out of the mounting groove 23 conveniently through the arrangement of the handle 4, and subsequent operation is facilitated.
The working principle and the using flow of the utility model are as follows: when the sound absorbing cotton 22 in each mounting frame 21 needs to be replaced, each transverse plate 31 is pulled first and the transverse plates 31 are rotated, so that each fastening rod 32 is far away from the mounting frame 21, the two ends of each mounting frame 21 can be released from limit, then the poking rods 55 are slid, the poking rods 56 are pulled out of the slots 57, the mounting frames 21 are directly pulled out, the sound absorbing cotton 22 in the mounting frames 21 is torn off, the new sound absorbing cotton 22 is replaced again, after replacement, the mounting frames 21 are pushed to slide in the mounting slots 23 until the deepest part of the mounting slots 23, the pressure springs 52 can squeeze the sliding plates 54, the poking rods 56 are reinserted into the slots 57, the mounting frames 21 are fixed, after replacement of the sound absorbing cotton 22 in each mounting frame 21 is completed, the transverse plates 31 can be pulled and the fastening rods 32 are inserted into the fastening slots 37, so that stability between each mounting frame 21 is guaranteed, and the sound absorbing cotton 22 in one mounting frame 21 can be replaced more conveniently.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Noise reduction mechanism for fan, including fan casing (1), its characterized in that: the device also comprises a noise reduction mechanism, a positioning mechanism and a fastening mechanism; the noise reduction mechanisms are arranged in the fan shell (1) in a sliding manner, the positioning mechanisms and the fastening mechanisms are arranged on the fan shell (1), the noise reduction mechanisms, the positioning mechanisms and the fastening mechanisms are all arranged in a circumferential array, each fastening mechanism corresponds to each noise reduction mechanism one by one, and each positioning mechanism is positioned between two adjacent noise reduction mechanisms;
the noise reduction mechanism comprises a mounting frame (21) which is arranged in the fan shell (1) in a sliding manner, and sound absorption cotton (22) is detachably connected to the inner wall of the mounting frame (21);
the positioning mechanism comprises a sliding plate (54) arranged on the fan shell (1) in a sliding way, an inserting rod (56) fixedly connected to the sliding plate (54) and a slot (57) formed in the surface of the mounting frame (21), and the inserting rod (56) is inserted into the slot (57);
when the noise reduction mechanism is fixed, the inserting rod (56) is inserted into the slot (57) on the mounting frame (21) through the sliding plate (54), so that the mounting frame (21) is fixed, and when the sound absorption cotton (22) in the noise reduction mechanism is taken out, the sliding plate (54) is used for separating the inserting rod (56) from the slot (57), and then the mounting frame (21) is slid out of the fan shell (1), so that the sound absorption cotton (22) is detached and replaced.
2. The noise reduction mechanism for a fan according to claim 1, wherein: the noise reduction mechanism further comprises a mounting groove (23) formed in the inner wall of the fan shell (1), a limiting mechanism is arranged on the inner wall of the mounting groove (23), and the mounting frame (21) is slidably arranged in the mounting groove (23) through the limiting mechanism.
3. The noise reduction mechanism for a fan according to claim 2, wherein: the limiting mechanism comprises two guide grooves (61) formed in the inner wall of the mounting groove (23), the two guide grooves (61) are respectively located at two ends of the mounting frame (21), guide blocks (62) are fixedly connected to two ends of the mounting frame (21), and the two guide blocks (62) are respectively arranged in the two guide grooves (61) in a sliding mode.
4. The noise reduction mechanism for a fan according to claim 2, wherein: the noise reduction mechanism further comprises a magic tape (24) fixedly connected to the inner wall of the mounting frame (21), and the sound absorbing cotton (22) is adhered to the inner wall of the mounting frame (21) through the magic tape (24).
5. The noise reduction mechanism for a fan according to claim 1, wherein: the positioning mechanism further comprises a sliding groove (51) formed in the fan shell (1) and a guide rod (53) fixedly connected in the sliding groove (51), the sliding plate (54) is slidably connected in the sliding groove (51), the inserting rod (56) penetrates through the sliding groove (51) and is inserted into the inserting groove (57), through holes matched with the guide rod (53) are formed in the sliding plate (54) and the inserting rod (56), the bottom end of the guide rod (53) does not penetrate through the sliding groove (51), the sliding plate (54) and the inserting rod (56) can slide on the guide rod (53) when moving, a pressure spring (52) is wound on the surface of the guide rod (53), the pressure spring (52) is fixedly connected between the inner wall of the sliding groove (51) and the sliding plate (54), and a deflector rod (55) is fixedly connected on the sliding plate (54).
6. The noise reduction mechanism for a fan according to claim 1, wherein: the fastening mechanism comprises a fixed frame (35) fixedly connected to the fan shell (1) and a limiting plate (33) slidably arranged in the fixed frame (35), wherein a tension spring (36) is fixedly connected to the inner wall of the fixed frame (35), the tension spring (36) is connected with the limiting plate (33), a transverse plate (31) is rotatably arranged on the limiting plate (33), fastening rods (32) are fixedly connected to two ends of the transverse plate (31), two fastening grooves (37) matched with the fastening rods (32) are formed in the mounting frame (21), the two fastening grooves (37) are respectively formed in two ends of the mounting frame (21), the two fastening rods (32) are respectively inserted into one fastening groove (37) on the two mounting frames (21), and the front surface of the transverse plate (31) is fixedly connected with the pulling plate (34).
7. The noise reduction mechanism for a fan according to claim 1, wherein: the front face of the mounting frame (21) is fixedly connected with a handle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523769.2U CN220204210U (en) | 2023-06-15 | 2023-06-15 | Noise reduction mechanism for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321523769.2U CN220204210U (en) | 2023-06-15 | 2023-06-15 | Noise reduction mechanism for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204210U true CN220204210U (en) | 2023-12-19 |
Family
ID=89153110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321523769.2U Active CN220204210U (en) | 2023-06-15 | 2023-06-15 | Noise reduction mechanism for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204210U (en) |
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2023
- 2023-06-15 CN CN202321523769.2U patent/CN220204210U/en active Active
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