CN212959191U - Centrifugal fan convenient to maintenance - Google Patents
Centrifugal fan convenient to maintenance Download PDFInfo
- Publication number
- CN212959191U CN212959191U CN202021644164.5U CN202021644164U CN212959191U CN 212959191 U CN212959191 U CN 212959191U CN 202021644164 U CN202021644164 U CN 202021644164U CN 212959191 U CN212959191 U CN 212959191U
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- Prior art keywords
- placing hole
- centrifugal fan
- placing
- hole
- elastic component
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- Expired - Fee Related
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- 238000012423 maintenance Methods 0.000 title claims abstract description 14
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a centrifugal fan convenient to maintenance relates to centrifugal fan technical field. The utility model discloses a fan guard, fan guard's front side block is connected with a protecgulum, and fan guard includes a shell, and the first hole of placing has been seted up to the front surface of shell, and the first inside fixed mounting who places the hole has an elastic component, and the first one side of placing the hole has been seted up a second and has been placed the hole, and the second is placed the inside in hole and also is equipped with an elastic component. The utility model discloses only need anticlockwise promote the flange, promote spacing spheroid and be in the first middle part of placing the hole, the push pedal that is located the first elastic component who places downthehole portion this moment will extrude spacing spheroid, makes spacing spheroid remove to the front side to make spacing spheroid shift out from the inside in "T" shape groove, accomplish the dismantlement of protecgulum, the utility model discloses need not use tools, very big improvement the dismantlement efficiency of protecgulum, thereby be convenient for maintain centrifugal fan.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fan, especially, relate to a centrifugal fan convenient to maintenance.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
At present, the protecgulum of centrifugal fan current on the market is through on a plurality of fix with screw fan cover again, consequently, when needs maintain the protecgulum, need use tool to dismantle the screw in turn and just can maintain centrifugal fan, the mode of above-mentioned this kind of dismantlement is more troublesome, the centrifugal fan maintenance of being not convenient for, for this reason, the utility model relates to a centrifugal fan convenient to maintenance to this, solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centrifugal fan convenient to maintenance uses through the combination of fan guard and protecgulum, has solved the problem that current centrifugal fan is not convenient for maintain.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a centrifugal fan convenient for maintenance, which comprises a fan cover, wherein the front side of the fan cover is clamped and connected with a front cover; the fan cover comprises a shell, a first placing hole is formed in the front surface of the shell, an elastic assembly is fixedly mounted inside the first placing hole, a second placing hole is formed in one side of the first placing hole, an elastic assembly is also arranged inside the second placing hole, and an arc-shaped T-shaped groove is formed in the other side of the first placing hole; the protecgulum includes an apron, a filter plate has been inlayed to the inside of apron, the week side fixed mounting of apron has four otic placodes that are the annular and arrange, the rear surface fixed mounting of otic placode has a spliced pole, the one end fixed mounting that the otic placode was kept away from to the spliced pole has a spacing spheroid.
Further, the number of the first placing holes is four, and the four first placing holes are arranged in a ring shape.
Furthermore, the diameter of the connecting column is the same as the width of the narrow part of the T-shaped groove, and the diameter of the limiting ball is the same as the width of the wide part of the T-shaped groove.
Further, the arc shape of the T-shaped groove is formed by taking the center of the cover plate as a circle center and taking the distance between the center of the cover plate and the T-shaped groove as a radius.
Further, elastic component includes a solid fixed ring, gu fixed ring's inside sliding connection has a slip post, the one end fixed mounting of slip post has a baffle, gu fixed ring's other end fixed mounting has a push pedal, the week side of slip post just is located and has cup jointed a spring between solid fixed ring and the push pedal, lie in the first solid fixed ring's of placing in the elastic component in the downthehole portion outer wall and the first inner wall fixed connection of placing the hole, lie in the second and place the outer wall of the solid fixed ring in the elastic component in the downthehole portion and the second inner wall fixed connection of placing the hole.
Furthermore, four convex plates which are arranged in an annular shape are fixedly arranged on the front surface of the cover plate, and the convex plates are made of steel alloy materials.
The utility model discloses following beneficial effect has:
the utility model discloses only need anticlockwise promote the flange, promote spacing spheroid and be in the first middle part of placing the hole, the push pedal that is located the first elastic component who places downthehole portion this moment will extrude spacing spheroid, makes spacing spheroid remove to the front side to make spacing spheroid shift out from the inside in "T" shape groove, accomplish the dismantlement of protecgulum, the utility model discloses need not use tools, very big improvement the dismantlement efficiency of protecgulum, thereby be convenient for maintain centrifugal fan.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a centrifugal fan for ease of maintenance;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of the fan guard and front cover shown disassembled;
FIG. 4 is a cross-sectional view of the front of the fan guard;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a schematic structural view of the elastic member;
FIG. 7 is a cross-sectional view of a side of a fan guard;
FIG. 8 is an enlarged view of portion B of FIG. 7;
FIG. 9 is a schematic structural view of the front cover;
in the drawings, the components represented by the respective reference numerals are listed below:
1-fan cover, 101-shell, 102-first placing hole, 103-second placing hole, 104- "T" shaped groove, 2-front cover, 201-cover plate, 202-filter plate, 203-ear plate, 204-connecting column, 205-limiting sphere, 206-convex plate, 3-elastic component, 301-fixing ring, 302-sliding column, 303-baffle, 304-push plate and 305-spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-9, the present invention relates to a centrifugal fan convenient for maintenance, which comprises a fan cover 1, wherein a front cover 2 is connected to the front side of the fan cover 1 in a snap-fit manner;
the fan cover 1 comprises a shell 101, wherein a first placing hole 102 is formed in the front surface of the shell 101, an elastic component 3 is fixedly mounted inside the first placing hole 102, a second placing hole 103 is formed in one side of the first placing hole 102, the elastic component 3 is also arranged inside the second placing hole 103, and an arc-shaped T-shaped groove 104 is formed in the other side of the first placing hole 102;
the front cover 2 comprises a cover plate 201, a filter plate 202 is embedded in the cover plate 201, four ear plates 203 which are arranged in an annular mode are fixedly mounted on the peripheral side face of the cover plate 201, a connecting column 204 is fixedly mounted on the rear surface of each ear plate 203, and a limiting ball 205 is fixedly mounted at one end, far away from each ear plate 203, of each connecting column 204.
The number of the first placement holes 102 is four, and the four first placement holes 102 are arranged in a ring shape.
The diameter of the connecting column 204 is the same as the width of the narrower part of the T-shaped groove 104, and the diameter of the limiting ball 205 is the same as the width of the wider part of the T-shaped groove 104.
The arc shape of the T-shaped groove 104 is formed by taking the center of the cover plate 201 as the center of a circle and the distance between the center of the cover plate 201 and the T-shaped groove 104 as the radius.
As shown in fig. 6, the elastic component 3 includes a fixing ring 301, a sliding column 302 is slidably connected inside the fixing ring 301, a baffle 303 is fixedly installed at one end of the sliding column 302, a push plate 304 is fixedly installed at the other end of the fixing ring 301, a spring 305 is sleeved on the peripheral side surface of the sliding column 302 and located between the fixing ring 301 and the push plate 304, the outer wall of the fixing ring 301 in the elastic component 3 located inside the first placing hole 102 is fixedly connected with the inner wall of the first placing hole 102, and the outer wall of the fixing ring 301 in the elastic component 3 located inside the second placing hole 103 is fixedly connected with the inner wall of the second placing hole 103.
As shown in fig. 9, four annularly arranged convex plates 206 are fixedly mounted on the front surface of the cover plate 201, and the convex plates 206 are made of steel alloy.
Because the diameter of the connecting column 204 is the same as the width of the narrower part of the T-shaped groove 104, and the diameter of the limiting ball 205 is the same as the width of the wider part of the T-shaped groove 104, the T-shaped groove 104 limits the cover plate 201 through the limiting ball 205, and the limiting ball 205 is prevented from moving out of the T-shaped groove 104 in a normal state.
One specific application of this embodiment is: when the centrifugal fan needs to be maintained, the convex plate 206 is pushed anticlockwise firstly, so that the cover plate 201 rotates anticlockwise, the cover plate 201 rotates anticlockwise to drive the connecting column 204 and the limiting ball 205 to rotate anticlockwise, at this time, the limiting ball 205 extrudes the push plate 304 in the elastic component 3 inside the second placing hole 103, due to the action of the spring 305, the push plate 304 moves towards the left side after being extruded, the convex plate 206 is not pushed any more until the limiting ball 205 is positioned in the middle of the first placing hole 102, when the limiting ball 205 is positioned in the middle of the first placing hole 102, the push plate 304 in the elastic component 3 inside the first placing hole 102 extrudes the limiting ball 205, so that the limiting ball 205 moves towards the front side, the limiting ball 205 is moved out from the inside of the T-shaped groove 104, and the front cover 2 is disassembled.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a centrifugal fan convenient to maintenance, includes fan guard (1), its characterized in that: the front side of the fan cover (1) is connected with a front cover (2) in a clamping manner;
the fan cover (1) comprises a shell (101), a first placing hole (102) is formed in the front surface of the shell (101), an elastic component (3) is fixedly mounted inside the first placing hole (102), a second placing hole (103) is formed in one side of the first placing hole (102), the elastic component (3) is also arranged inside the second placing hole (103), and an arc-shaped T-shaped groove (104) is formed in the other side of the first placing hole (102);
protecgulum (2) include an apron (201), a filter plate (202) has been inlayed to the inside of apron (201), the week side fixed mounting of apron (201) has four otic placodes (203) that are the annular and arrange, the rear surface fixed mounting of otic placode (203) has a spliced pole (204), the one end fixed mounting that otic placode (203) were kept away from in spliced pole (204) has a spacing spheroid (205).
2. The centrifugal fan convenient to maintain according to claim 1, wherein the number of the first placing holes (102) is four, and the four first placing holes (102) are arranged in a ring shape.
3. A centrifugal fan facilitating maintenance according to claim 1, wherein the connecting column (204) has a diameter equal to the width of the narrower part of the T-shaped groove (104), and the limiting sphere (205) has a diameter equal to the width of the wider part of the T-shaped groove (104).
4. The centrifugal fan convenient for maintenance according to claim 1, wherein the arc shape of the T-shaped groove (104) is formed by taking the center of the cover plate (201) as a circle center and taking the distance from the center of the cover plate (201) to the T-shaped groove (104) as a radius.
5. A centrifugal fan facilitating maintenance according to claim 1, wherein the elastic assembly (3) comprises a fixed ring (301);
a sliding column (302) is connected inside the fixing ring (301) in a sliding manner, and a baffle (303) is fixedly installed at one end of the sliding column (302);
the other end of the fixed ring (301) is fixedly provided with a push plate (304), and a spring (305) is sleeved on the peripheral side surface of the sliding column (302) and positioned between the fixed ring (301) and the push plate (304);
the outer wall of a fixing ring (301) in the elastic component (3) positioned in the first placing hole (102) is fixedly connected with the inner wall of the first placing hole (102);
the outer wall of the fixing ring (301) in the elastic component (3) positioned in the second placing hole (103) is fixedly connected with the inner wall of the second placing hole (103).
6. The centrifugal fan convenient to maintain as claimed in claim 1, wherein four annularly arranged convex plates (206) are fixedly installed on the front surface of the cover plate (201), and the convex plates (206) are made of steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644164.5U CN212959191U (en) | 2020-08-10 | 2020-08-10 | Centrifugal fan convenient to maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021644164.5U CN212959191U (en) | 2020-08-10 | 2020-08-10 | Centrifugal fan convenient to maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959191U true CN212959191U (en) | 2021-04-13 |
Family
ID=75349140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021644164.5U Expired - Fee Related CN212959191U (en) | 2020-08-10 | 2020-08-10 | Centrifugal fan convenient to maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279987A (en) * | 2021-07-02 | 2021-08-20 | 韩景忠 | Centrifugal fan convenient to installation maintenance |
| CN117345661A (en) * | 2023-10-07 | 2024-01-05 | 东莞市聚富通风设备有限公司 | Special fan convenient to maintain and convenient dismouting |
-
2020
- 2020-08-10 CN CN202021644164.5U patent/CN212959191U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279987A (en) * | 2021-07-02 | 2021-08-20 | 韩景忠 | Centrifugal fan convenient to installation maintenance |
| CN117345661A (en) * | 2023-10-07 | 2024-01-05 | 东莞市聚富通风设备有限公司 | Special fan convenient to maintain and convenient dismouting |
| CN117345661B (en) * | 2023-10-07 | 2024-04-26 | 东莞市聚富通风设备有限公司 | Special fan convenient to maintain and convenient dismouting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |