CN220415822U - Silencer for noise reduction of fan - Google Patents
Silencer for noise reduction of fan Download PDFInfo
- Publication number
- CN220415822U CN220415822U CN202321823475.1U CN202321823475U CN220415822U CN 220415822 U CN220415822 U CN 220415822U CN 202321823475 U CN202321823475 U CN 202321823475U CN 220415822 U CN220415822 U CN 220415822U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- silencer
- noise reduction
- rod
- bottom shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003584 silencer Effects 0.000 title claims abstract description 27
- 241000237983 Trochidae Species 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Exhaust Silencers (AREA)
Abstract
The utility model relates to the technical field of fan noise reduction, in particular to a silencer for fan noise reduction, which comprises a mounting seat and lifting components, wherein supporting feet are fixedly connected to four corners of the bottom of the mounting seat, and the lifting components are arranged on the end faces of the mounting seat.
Description
Technical Field
The utility model relates to the technical field of fan noise reduction, in particular to a silencer for fan noise reduction.
Background
The fan is mainly used for ventilation, heat dissipation and airflow increase circulation, in order to enable the efficiency of the fan to be higher, the power of the fan needs to be increased, the noise of the fan is increased at the same time of stronger performance, therefore, the noise needs to be reduced by additionally installing a silencer on the fan, the existing silencer for noise reduction of the fan on the market at present is poor in adaptability and complicated in installation because the height of an air outlet of the fan is not fixed, the silencer for noise reduction of the fan cannot be adjusted according to the required height, and the working environment of the fan is mostly poor in sucking some impurities when in use, the silencing medium of the silencer is blocked after long time use, the silencing effect is reduced, and therefore the silencer for noise reduction of the fan is needed to improve the problems.
Disclosure of Invention
The utility model aims to provide a silencer for fan noise reduction, which is used for solving the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the silencer for noise reduction of the fan comprises a mounting seat and lifting components, wherein supporting feet are fixedly connected to four corners of the bottom of the mounting seat, and the lifting components are arranged on the end faces of the mounting seat;
the lifting assembly comprises a bottom shell, a first connecting rod and a second connecting rod are correspondingly arranged on opposite side walls inside the bottom shell, sliding grooves are formed in the front face and the back face of the bottom shell, push rods are arranged in the sliding grooves, screw rods are arranged on the push rods, one ends of the screw rods penetrate through hand wheels fixedly connected with the other sides of the bottom shell, a third connecting rod and a fourth connecting rod are correspondingly arranged on the push rods, a first shaft is fixedly connected to the center of the first connecting rod, the first shaft penetrates through the center of the second connecting rod, the center of the third connecting rod and the center of the fourth connecting rod, a second shaft is fixedly connected to the other ends of the third connecting rod and the other ends of the fourth connecting rod, a top shell is rotationally connected to the second shaft, sliding grooves are formed in the front side wall and the rear side wall of the top shell, third shafts are arranged in the sliding grooves, the third shafts are connected with the other ends of the first connecting rod and the second connecting rod, a silencer is connected to the end face of the top shell through bolts in a threaded mode, and a filter is arranged on the right side of the silencer.
As a preferable scheme of the utility model, the bottom shell is in rotary connection with the first connecting rod and the second connecting rod, and the side walls of the first connecting rod and the second connecting rod are in sliding connection with the side walls inside the bottom shell.
As a preferable scheme of the utility model, the push rod is in sliding connection in the chute, the push rod is in threaded connection with the screw rod, the bottom of the push rod is in sliding connection with the bottom surface in the bottom shell, and the screw rod is in rotary connection with the bottom shell.
As a preferable scheme of the utility model, the third connecting rod, the fourth connecting rod and the push rod are in rotary connection, the side wall of the first connecting rod is in sliding connection with the side wall of the third connecting rod, and the side wall of the second connecting rod is in sliding connection with the side wall of the fourth connecting rod.
As a preferable scheme of the utility model, the first shaft is in rotary connection with the second connecting rod, the third connecting rod and the fourth connecting rod, the first connecting rod and the third connecting rod are in an X shape, and the second connecting rod and the fourth connecting rod are in an X shape.
As a preferable scheme of the utility model, two ends of the third shaft are slidably connected in the sliding groove, the muffler and the filter are connected through bolts, and a flange plate is arranged on the right side of the filter.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the lifting assembly and the filter are arranged on the silencer for noise reduction of the fan, when the silencer is used, the hand-operated wheel is rotated, the hand-operated wheel drives the push rod to drive the third connecting rod and the fourth connecting rod to move, so that the top shell is pushed, the height adjustment is realized, the problem of inconvenient installation caused by different heights of the air outlet of the fan during installation is solved, the filter is arranged at the air inlet of the silencer, impurities inhaled by the fan are effectively filtered, so that the failure rate of the silencer is reduced, the service time of the silencer is prolonged, the maintenance cost is reduced, and the installation disc is arranged at the air inlet of the filter and is connected with the air outlet of the fan through the bolts, so that the silencer is good in fixing effect and convenient for later maintenance and replacement.
Drawings
FIG. 1 is a schematic diagram of the overall axial structure of the present utility model;
FIG. 2 is a schematic view of a lifting assembly according to the present utility model;
fig. 3 is a schematic top view of the lifting assembly of the present utility model.
In the figure: 1. a mounting base; 2. a lifting assembly; 201. a bottom case; 202. a first link; 203. second one a connecting rod; 204. a chute; 205. a push rod; 206. a screw rod; 207. hand-operated wheels; 208. a third link; 209. a fourth link; 210. first one a shaft; 211. a second shaft; 212. a top shell; 213. a sliding groove; 214. a third shaft; 215. a muffler; 216. a filter; 3. supporting feet; 4. and a flange plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, 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, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, the present utility model provides a technical solution:
the silencer for noise reduction of the fan comprises a mounting seat 1 and a lifting assembly 2, wherein supporting feet 3 are fixedly connected to four corners of the bottom of the mounting seat 1, and the lifting assembly 2 is arranged on the end face of the mounting seat 1;
the lifting assembly 2 comprises a bottom shell 201, a first connecting rod 202 and a second connecting rod 203 are correspondingly arranged on opposite side walls in the bottom shell 201, a sliding groove 204 is formed in the front surface and the back surface of the bottom shell 201, a push rod 205 is arranged in the sliding groove 204, a screw rod 206 is arranged on the push rod 205, one end of the screw rod 206 penetrates through to the other side of the bottom shell 201 and is fixedly connected with a hand crank 207, a third connecting rod 208 and a fourth connecting rod 209 are correspondingly arranged on the push rod 205, a first shaft 210 is fixedly connected to the center of the first connecting rod 202, the first shaft 210 penetrates through the centers of the second connecting rod 203, the third connecting rod 208 and the fourth connecting rod 209, a second shaft 211 is fixedly connected to the other ends of the third connecting rod 208 and the fourth connecting rod 209, a top shell 212 is rotatably connected to the second shaft 211, a sliding groove 213 is formed in the front side wall and the rear side wall of the top shell 212, a third shaft 214 is arranged in the sliding groove 213, the third shaft 214 is connected with the other ends of the first connecting rod 202 and the second connecting rod 203, a muffler 215 is correspondingly arranged on the end face of the top shell 212, and a filter 216 is arranged on the right side of the muffler 215.
In this embodiment, referring to fig. 1-3, the bottom shell 201 is rotatably connected with the first connecting rod 202 and the second connecting rod 203, the side walls of the first connecting rod 202 and the second connecting rod 203 are slidably connected with the side walls inside the bottom shell 201, the push rod 205 is slidably connected inside the chute 204, the push rod 205 is in threaded connection with the screw rod 206, the bottom of the push rod 205 is slidably connected with the bottom surface inside the bottom shell 201, and the screw rod 206 is rotatably connected with the bottom shell 201, so as to realize height adjustment, and solve the problem that the air outlet of the fan is not fixed in height and difficult to install.
In this embodiment, referring to fig. 1-3, the third link 208 and the fourth link 209 are rotatably connected to the push rod 205, the side wall of the first link 202 is slidably connected to the side wall of the third link 208, the side wall of the second link 203 is slidably connected to the side wall of the fourth link 209, the first shaft 210 is rotatably connected to the second link 203, the third link 208 and the fourth link 209, the first link 202 and the third link 208 are in an "X" shape, and the second link 203 and the fourth link 209 are in an "X" shape, which is used to reduce the overall size of the lifting assembly 2 and reduce the floor space thereof.
In this embodiment, referring to fig. 1-3, two ends of the third shaft 214 are slidably connected inside the sliding groove 213, the muffler 215 is connected with the filter 216 through bolts, and the flange 4 is disposed on the right side of the filter 216, so as to prevent the muffler from being damaged by impurities sucked by the fan, and the flange 4 is disposed for the purpose of making the installation more stable and convenient for the disassembly.
The working flow of the utility model is as follows: when the silencer for noise reduction of the fan designed by the scheme is used, after the whole is approximately aligned to the same horizontal plane with the air outlet of the fan, the hand wheel 207 is rotated, the screw rod 206 is driven to rotate, namely, the push rod 205 which is in threaded connection with the screw rod 206 is pushed to move leftwards along the chute 204, at the moment, the third connecting rod 208 and the fourth connecting rod 209 which are connected to the push rod 205 are rotated to move leftwards simultaneously, at the moment, the other ends of the third connecting rod 208 and the fourth connecting rod 209 only rotate with the top shell 212, at the moment, one ends of the first connecting rod 202 and the second connecting rod 203 rotate with the bottom shell 201, the other ends of the first supporting rod 202 and the second supporting rod 203 move rightwards in the sliding groove 213 together with the third shaft 214, the top shell 212 is driven to move upwards by the pushing of the first connecting rod 202, the second connecting rod 203, the third connecting rod 208 and the fourth connecting rod 209, so that after the silencer and the fan reach the same horizontal plane, the flange 4 on the filter 216 is aligned with the air outlet of the fan, and the bolts are placed in holes formed in the flange 4, and fastened.
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 (6)
1. The utility model provides a fan falls noise reduction and uses muffler, includes mount pad (1) and lifting unit (2), its characterized in that: supporting feet (3) are fixedly connected to four corners of the bottom of the mounting seat (1), and lifting assemblies (2) are arranged on the end faces of the mounting seat (1);
the lifting assembly (2) comprises a bottom shell (201), a first connecting rod (202) and a second connecting rod (203) are correspondingly arranged on opposite side walls in the bottom shell (201), sliding grooves (204) are respectively formed in the front face and the back face of the bottom shell (201), push rods (205) are arranged in the sliding grooves (204), screw rods (206) are arranged on the push rods (205), one ends of the screw rods (206) penetrate through hand wheels (207) fixedly connected to the other sides of the bottom shell (201), a third connecting rod (208) and a fourth connecting rod (209) are correspondingly arranged on the push rods (205), a first shaft (210) is fixedly connected to the center of the first connecting rod (202), the first shaft (210) is arranged at the center of the second connecting rod (203), the third connecting rod (208) and the fourth connecting rod (209), second shafts (211) are fixedly connected to the other ends of the third connecting rod (208) and the fourth connecting rod (209), top shells (212) are rotatably connected to the second shafts (211), sliding grooves (213) are formed in the front side walls of the top shells (212), and the second shaft (213) are connected to the second connecting rod (213), the end face of the top shell (212) is connected with a muffler (215) through a bolt thread, and a filter (216) is arranged on the right side of the muffler (215).
2. The silencer for noise reduction of a fan according to claim 1, wherein: the bottom shell (201) is rotationally connected with the first connecting rod (202) and the second connecting rod (203), and the side walls of the first connecting rod (202) and the second connecting rod (203) are in sliding connection with the inner side wall of the bottom shell (201).
3. The silencer for noise reduction of a fan according to claim 1, wherein: the push rod (205) is slidably connected to the inside of the sliding groove (204), the push rod (205) is in threaded connection with the screw rod (206), the bottom of the push rod (205) is slidably connected with the bottom surface of the inside of the bottom shell (201), and the screw rod (206) is in rotational connection with the bottom shell (201).
4. The silencer for noise reduction of a fan according to claim 1, wherein: the third connecting rod (208) and the fourth connecting rod (209) are in rotary connection with the push rod (205), the side wall of the first connecting rod (202) is in sliding connection with the side wall of the third connecting rod (208), and the side wall of the second connecting rod (203) is in sliding connection with the side wall of the fourth connecting rod (209).
5. The silencer for noise reduction of a fan according to claim 1, wherein: the first shaft (210) is rotationally connected with the second connecting rod (203), the third connecting rod (208) and the fourth connecting rod (209), the first connecting rod (202) and the third connecting rod (208) are in an X shape, and the second connecting rod (203) and the fourth connecting rod (209) are in an X shape.
6. The silencer for noise reduction of a fan according to claim 1, wherein: the two ends of the third shaft (214) are slidably connected in the sliding groove (213), the muffler (215) is connected with the filter (216) through bolts, and the flange plate (4) is arranged on the right side of the filter (216).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823475.1U CN220415822U (en) | 2023-07-11 | 2023-07-11 | Silencer for noise reduction of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321823475.1U CN220415822U (en) | 2023-07-11 | 2023-07-11 | Silencer for noise reduction of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415822U true CN220415822U (en) | 2024-01-30 |
Family
ID=89659872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321823475.1U Active CN220415822U (en) | 2023-07-11 | 2023-07-11 | Silencer for noise reduction of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415822U (en) |
-
2023
- 2023-07-11 CN CN202321823475.1U patent/CN220415822U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |