CN213270387U - Centrifugal fan with easily-detachable dust screen - Google Patents
Centrifugal fan with easily-detachable dust screen Download PDFInfo
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- CN213270387U CN213270387U CN202022139341.0U CN202022139341U CN213270387U CN 213270387 U CN213270387 U CN 213270387U CN 202022139341 U CN202022139341 U CN 202022139341U CN 213270387 U CN213270387 U CN 213270387U
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Abstract
The utility model discloses an easy centrifugal fan who dismantles of dust screen relates to centrifugal fan technical field. This centrifugal fan includes the centrifugal fan body, the thermovent has been seted up to the lateral wall of centrifugal fan body, a plurality of spouts have been seted up to the inner wall of thermovent, sliding connection has annular installing frame in the thermovent, fixed mounting has the dust screen in the annular installing frame, a plurality of draw-in grooves have been seted up on the annular installing frame, be equipped with positioning mechanism between the inner wall of thermovent and the annular installing frame, all be equipped with blocking mechanism in a plurality of spouts, a plurality of blocking mechanism all extend to in the relative draw-in groove and rather than the inner wall counterbalance tightly, the sliding tray has been seted up to the inside wall of thermovent, be equipped with compressing mechanism in the. The utility model has the advantages of reasonable design, it can be fast with the dust screen dismantle from centrifugal fan get off clear up, and can realize the stable sealing connection between dust screen and the centrifugal fan, cause the damage to centrifugal fan in avoiding the dust to get into the centrifugal fan.
Description
Technical Field
The utility model relates to a centrifugal fan technical field especially relates to an easy centrifugal fan who dismantles of dust screen.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of the input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and draught of boilers and industrial furnaces and kilns.
In the prior art, in order to guarantee centrifugal fan's radiating effect, can set up the thermovent on centrifugal fan, fixed mounting dust screen causes the damage in order to prevent that the dust from getting into centrifugal fan to centrifugal fan's internals again on the thermovent, but current dust screen is generally through screw fixed mounting on the thermovent, it is inconvenient to dismantle when needs clear up the dust screen, and screw fixed centrifugal fan during operation produces the vibration and can make the screw not hard up, make the gap appear in the junction of dust screen and thermovent, the dust gets into from the gap easily, we have designed the centrifugal fan that a dust screen was easily dismantled for this reason and have solved above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving current dust screen among the prior art and generally going through screw fixed mounting on the thermovent, it is inconvenient to dismantle when needs clear up the dust screen, and the screw fixation centrifugal fan during operation produces the vibration and can make the screw not hard up, make the gap appear in the junction of dust screen and thermovent, the dust is easy from the problem that the gap got into, and the easy centrifugal fan who dismantles of dust screen that proposes, it can dismantle the dust screen from centrifugal fan fast and clear up, and can realize the stable sealing connection between dust screen and the centrifugal fan, cause the damage to centrifugal fan in avoiding the dust to get into centrifugal fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a centrifugal fan with an easily-detached dustproof net comprises a centrifugal fan body, wherein a radiating port is formed in the side wall of the centrifugal fan body, a plurality of sliding grooves are formed in the inner wall of the radiating port, an annular mounting frame is connected in the radiating port in a sliding mode, the dustproof net is fixedly mounted in the annular mounting frame, a plurality of clamping grooves are formed in the annular mounting frame, a positioning mechanism is arranged between the inner wall of the radiating port and the annular mounting frame, a blocking mechanism is arranged in each sliding groove, each blocking mechanism extends into the corresponding clamping groove and tightly abuts against the inner wall of the corresponding clamping groove, a sliding groove is formed in the inner side wall of the radiating port, a compression mechanism is arranged in each sliding groove, the end portion of each compression mechanism tightly abuts against the side wall of the annular mounting frame, a sealing mechanism is arranged on the inner side wall of the radiating port, and the side wall of each sealing mechanism tightly abuts against the side, the sealing mechanism extends into the sliding groove and is communicated with the inside of the sliding groove.
Preferably, the positioning mechanism comprises a plurality of positioning blocks fixedly mounted on the inner wall of the heat dissipation opening, a plurality of positioning grooves are formed in the annular mounting frame, and the positioning blocks extend into the corresponding positioning grooves and are in sliding connection with the positioning grooves.
Preferably, the blocking mechanism comprises a trapezoidal clamping block which is slidably connected in the sliding groove, the trapezoidal clamping block extends into the opposite clamping groove and is abutted against the inner wall of the clamping groove, a plurality of first springs are fixedly connected between the trapezoidal clamping block and the inner wall of the sliding groove, a pull rod is fixedly mounted on the trapezoidal clamping block, and the pull rod is slidably connected with the side wall of the centrifugal fan body.
Preferably, the compressing mechanism comprises a piston which is slidably connected in the sliding groove, a push rod is fixedly mounted on the side wall of the piston, the end portion of the push rod is abutted against the side wall of the annular mounting frame, and a plurality of second springs are fixedly connected between the side wall of one end of the piston, which is far away from the push rod, and the inner side wall of the sliding groove.
Preferably, the sealing mechanism includes an annular air bag fixedly mounted on the inner side wall of the heat dissipation port, the side wall of the annular air bag abuts against the side wall of the annular mounting frame, a communicating pipe is fixedly connected to the annular air bag and communicated with the inside of the annular air bag, and the communicating pipe extends into the sliding groove and is communicated with the inside of the sliding groove.
Preferably, the second spring is an elastic spring.
Compared with the prior art, the utility model, its beneficial effect does:
1. through the setting of stop mechanism, when needs clear up the dust screen on the annular installing frame, pulling pull rod, in the pull rod drove trapezoidal fixture block and slides in the spout, trapezoidal fixture block breaks away from the blockking to the annular installing frame, can dismantle the annular installing frame get off and clear up the dust screen on the annular installing frame, and it is convenient to dismantle, has reduced the dismantlement time, has improved cleaning efficiency.
2. Through compression mechanism and sealing mechanism's setting, when annular installing frame is installed in the radiator, the lateral wall extrusion push rod of annular installing frame drives the piston and slides, the piston is impressed the air in the sliding tray in annular gasbag through communicating pipe, annular gasbag inflation and the lateral wall counterbalance of annular installing frame are tight, when annular installing frame is in steady state, annular gasbag also is in steady state with supporting of annular installing frame, guarantee the stable seal between annular installing frame and the centrifugal fan body, avoid the dust to cause the damage to centrifugal fan in getting into the centrifugal fan.
To sum up, the utility model has the advantages of reasonable design, it can be fast with the dust screen dismantle from centrifugal fan get off clear up, and can realize the stable sealing connection between dust screen and the centrifugal fan, cause the damage to centrifugal fan in avoiding the dust to get into the centrifugal fan.
Drawings
Fig. 1 is a schematic structural view of a centrifugal fan according to the present invention;
fig. 2 is a side view of the centrifugal fan of the present invention;
fig. 3 is an enlarged view of a structure in fig. 2.
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.
Referring to fig. 1-3, the embodiment of the utility model provides a centrifugal fan that dust screen was easily dismantled includes centrifugal fan body 1, and thermovent 2 has been seted up to centrifugal fan body 1's lateral wall, and a plurality of spouts 7 have been seted up to thermovent 2's inner wall. An annular mounting frame 3 is connected in the heat dissipation opening 2 in a sliding mode, and a dust screen 11 is fixedly mounted in the annular mounting frame 3. A plurality of clamping grooves 6 are formed in the annular mounting frame 3, and a positioning mechanism is arranged between the inner wall of the heat radiating opening 2 and the annular mounting frame 3. The positioning mechanism comprises a plurality of positioning blocks 5 fixedly mounted on the inner wall of the heat radiating opening 2, a plurality of positioning grooves 4 are formed in the annular mounting frame 3, and the positioning blocks 5 extend into the corresponding positioning grooves 4 and are connected with the positioning grooves in a sliding mode. Through positioning mechanism's setting, when needs install annular installing frame 3 in thermovent 2, aim at corresponding locating piece 5 with constant head tank 4 on the annular installing frame 3 and put into thermovent 2, make things convenient for each trapezoidal fixture block 8 can slide in relative draw-in groove 6 smoothly.
Specifically, a plurality of sliding grooves 7 are internally provided with a blocking mechanism, and the blocking mechanisms extend into the opposite clamping grooves 6 and are abutted against the inner walls of the clamping grooves. The blocking mechanism comprises a trapezoidal clamping block 8 which is connected in the sliding groove 7 in a sliding mode, and the trapezoidal clamping block 8 extends into the opposite clamping groove 6 and is abutted to the inner wall of the clamping groove. A plurality of first springs 9 are fixedly connected between the trapezoidal fixture block 8 and the inner wall of the sliding groove 7, and a pull rod 10 is fixedly mounted on the trapezoidal fixture block 8. Pull rod 10 and centrifugal fan body 1's lateral wall sliding connection, through the setting of barrier mechanism, when the dust screen 11 on the annular installing frame 3 needs to be cleared up, pulling pull rod 10, pull rod 10 drives trapezoidal fixture block 8 and slides in spout 7. Trapezoidal fixture block 8 breaks away from stopping annular installing frame 3, can dismantle annular installing frame 3 get off and clear up dust screen 11 on the annular installing frame 3. The disassembly is convenient, the disassembly time is reduced, and the cleaning efficiency is improved.
Specifically, in the preferred embodiment of the present invention, the inner side wall of the heat dissipation opening 2 is provided with a sliding groove 12, and a compression mechanism is disposed in the sliding groove 12. The end of the compression mechanism is abutted against the side wall of the annular mounting frame 3, and the compression mechanism comprises a piston 13 which is slidably connected in a sliding groove 12. A push rod 14 is fixedly arranged on the side wall of the piston 13, and the end part of the push rod 14 is abutted against the side wall of the annular mounting frame 3. A plurality of second springs 15 are fixedly connected between the side wall of one end of the piston 13 far away from the push rod 14 and the inner side wall of the sliding groove 12, and the second springs 15 are elastic springs.
Specifically, in the preferred embodiment of the present invention, the inner side wall of the heat dissipation opening 2 is provided with a sealing mechanism, and the side wall of the sealing mechanism abuts against the side wall of the annular mounting frame 3. The sealing mechanism extends into the sliding groove 12 and is communicated with the inside of the sliding groove, and the sealing mechanism comprises an annular air bag 16 fixedly arranged on the inner side wall of the heat radiating opening 2. The side wall of the annular air bag 16 is abutted against the side wall of the annular mounting frame 3, and the annular air bag 16 is fixedly connected with a communicating pipe 17 communicated with the inside of the annular air bag. The communicating pipe 17 extends into the sliding groove 12 and communicates with the inside of the sliding groove, and through the arrangement of the compression mechanism and the sealing mechanism, when the annular mounting frame 3 is mounted in the heat sink 2, the side wall of the annular mounting frame 3 extrudes the push rod 14 to drive the piston 13 to slide. The piston 13 presses the air in the slide groove 12 into the annular air bag 16 through the communication pipe 17, and the annular air bag 16 expands and abuts against the side wall of the annular mounting frame 3. When the annular mounting frame 3 is in a stable state, the annular air bag 16 is tightly abutted to the annular mounting frame 3 and is also in a stable state, so that stable sealing between the annular mounting frame 3 and the centrifugal fan body 1 is ensured, and dust is prevented from entering the centrifugal fan to damage the centrifugal fan.
The utility model discloses its functional principle is explained to following mode of operation of accessible:
when the dust screen 11 on the annular mounting frame 3 needs to be cleaned, the pull rod 10 is pulled, and the pull rod 10 drives the trapezoidal clamping block 8 to slide into the sliding groove 7. Trapezoidal fixture block 8 breaks away from stopping annular installing frame 3, can dismantle annular installing frame 3 get off and clear up dust screen 11 on the annular installing frame 3. After cleaning, the positioning grooves 4 on the annular mounting frame 3 are aligned with the corresponding positioning blocks 5 and placed into the heat dissipation port 2. The side wall of the annular mounting frame 3 extrudes the push rod 14 to drive the piston 13 to slide, and the piston 13 presses the air in the sliding groove 12 into the annular air bag 16 through the communicating pipe 17. The annular air bag 16 expands and abuts against the side wall of the annular mounting frame 3, and at the moment, the trapezoid clamping block 8 slides into the clamping groove 6 under the action of the elastic force of the first spring 9 and abuts against the inner wall of the clamping groove. The annular mounting frame 3 is in a stable state, the annular air bag 16 is tightly abutted against the annular mounting frame 3 and is also in a stable state, and stable sealing between the annular mounting frame 3 and the centrifugal fan body 1 is guaranteed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A centrifugal fan with an easily-detachable dustproof net comprises a centrifugal fan body (1) and is characterized in that a radiating port (2) is formed in the side wall of the centrifugal fan body (1), a plurality of sliding grooves (7) are formed in the inner wall of the radiating port (2), an annular mounting frame (3) is connected in the radiating port (2) in a sliding mode, a dustproof net (11) is fixedly mounted in the annular mounting frame (3), a plurality of clamping grooves (6) are formed in the annular mounting frame (3), a positioning mechanism is arranged between the inner wall of the radiating port (2) and the annular mounting frame (3), blocking mechanisms are arranged in the sliding grooves (7), extend into the corresponding clamping grooves (6) and are abutted against the inner wall of the clamping grooves, a sliding groove (12) is formed in the inner side wall of the radiating port (2), and a compression mechanism is arranged in the sliding groove (12), the end part of the compression mechanism is tightly abutted to the side wall of the annular mounting frame (3), the inner side wall of the heat dissipation port (2) is provided with a sealing mechanism, the side wall of the sealing mechanism is tightly abutted to the side wall of the annular mounting frame (3), and the sealing mechanism extends into the sliding groove (12) and is mutually communicated with the inside of the sliding groove.
2. The centrifugal fan with the easily-detached dust screen is characterized in that the positioning mechanism comprises a plurality of positioning blocks (5) fixedly mounted on the inner wall of the heat dissipation opening (2), the annular mounting frame (3) is provided with a plurality of positioning grooves (4), and the positioning blocks (5) extend into the corresponding positioning grooves (4) and are in sliding connection with the positioning grooves.
3. The centrifugal fan with the easily-detached dust screen is characterized in that the blocking mechanism comprises a trapezoidal clamping block (8) which is slidably connected in a sliding groove (7), the trapezoidal clamping block (8) extends into an opposite clamping groove (6) and is tightly abutted to the inner wall of the clamping groove, a plurality of first springs (9) are fixedly connected between the trapezoidal clamping block (8) and the inner wall of the sliding groove (7), a pull rod (10) is fixedly mounted on the trapezoidal clamping block (8), and the pull rod (10) is slidably connected with the side wall of the centrifugal fan body (1).
4. The centrifugal fan with the easily-detached dustproof net is characterized in that the compression mechanism comprises a piston (13) which is slidably connected in a sliding groove (12), a push rod (14) is fixedly installed on the side wall of the piston (13), the end part of the push rod (14) is abutted against the side wall of the annular mounting frame (3), and a plurality of second springs (15) are fixedly connected between the side wall of one end, far away from the push rod (14), of the piston (13) and the inner side wall of the sliding groove (12).
5. The centrifugal fan with the easily-detached dustproof net is characterized in that the sealing mechanism comprises an annular air bag (16) fixedly mounted on the inner side wall of the heat dissipation port (2), the side wall of the annular air bag (16) is abutted against the side wall of the annular mounting frame (3), a communication pipe (17) communicated with the inside of the annular air bag (16) is fixedly connected to the annular air bag, and the communication pipe (17) extends into the sliding groove (12) and is communicated with the inside of the sliding groove.
6. The centrifugal fan with the easily detachable dust screen is characterized in that the second spring (15) is an elastic spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022139341.0U CN213270387U (en) | 2020-09-25 | 2020-09-25 | Centrifugal fan with easily-detachable dust screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022139341.0U CN213270387U (en) | 2020-09-25 | 2020-09-25 | Centrifugal fan with easily-detachable dust screen |
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| Publication Number | Publication Date |
|---|---|
| CN213270387U true CN213270387U (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022139341.0U Active CN213270387U (en) | 2020-09-25 | 2020-09-25 | Centrifugal fan with easily-detachable dust screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876808A (en) * | 2022-04-29 | 2022-08-09 | 左顺彩 | Closed impeller centrifugal pump |
-
2020
- 2020-09-25 CN CN202022139341.0U patent/CN213270387U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876808A (en) * | 2022-04-29 | 2022-08-09 | 左顺彩 | Closed impeller centrifugal pump |
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