CN220687619U - High stability centrifugal fan - Google Patents
High stability centrifugal fan Download PDFInfo
- Publication number
- CN220687619U CN220687619U CN202320701126.6U CN202320701126U CN220687619U CN 220687619 U CN220687619 U CN 220687619U CN 202320701126 U CN202320701126 U CN 202320701126U CN 220687619 U CN220687619 U CN 220687619U
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- centrifugal fan
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- top end
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- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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Abstract
The utility model discloses a high-stability centrifugal fan which comprises a centrifugal fan main body, wherein two groups of auxiliary mechanisms are arranged at the top end of the centrifugal fan main body, each auxiliary mechanism comprises two first racks, a strip-shaped groove is formed in the bottom end of a base, a connecting groove is formed in the top end of the inner wall of the strip-shaped groove, the two first racks are arranged at the bottom end of the inner wall of the connecting groove, a connecting plate is arranged in the connecting groove, two second racks are arranged at the bottom end of the connecting plate, and a bolt assembly is arranged in the connecting plate. According to the utility model, by means of the arrangement of the strip-shaped groove, the connecting groove, the first racks, the connecting plate and the second racks, the connecting plate is clamped in the connecting groove, and the second racks are meshed with the corresponding first racks, so that the connecting plate can be positioned in the connecting groove, the phenomenon that the bolt assembly slides relatively in the connecting groove is avoided, the shaking phenomenon is avoided when the centrifugal fan works, and the working stability of the centrifugal fan is improved.
Description
Technical Field
The utility model relates to the technical field of centrifugal fan installation, in particular to a high-stability centrifugal fan.
Background
The centrifugal fan is the mechanical energy that relies on the input, improves gas pressure and discharges gaseous machinery, and most of present centrifugal fan installs through the mode of bolt when the installation, has offered the bar groove at centrifugal fan's base, runs through the bar groove and screw in the screw hole on the mounting panel through the bolt, can install centrifugal fan, but along with centrifugal fan's work for the bolt appears not hard up phenomenon easily, because the setting of bar groove for the bolt is relative sliding in the bar inslot, leads to centrifugal fan during operation wholly to appearing rocking the phenomenon easily, thereby has reduced centrifugal fan's stability in use.
Disclosure of Invention
The utility model aims to provide a high-stability centrifugal fan so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-stability centrifugal fan comprises a centrifugal fan main body, wherein a base is arranged below the centrifugal fan main body, and a mounting plate is arranged at the bottom end of the base;
two groups of auxiliary mechanisms are arranged at the top end of the centrifugal fan main body;
the auxiliary mechanism comprises two first racks, a bar groove is formed in the bottom end of the base, a connecting groove is formed in the top end of the inner wall of the bar groove, two first racks are arranged at the bottom end of the inner wall of the connecting groove, a connecting plate is arranged in the connecting groove, two second racks are arranged at the bottom end of the connecting plate, the bottom ends of the second racks are respectively connected with the top ends of the two first racks in a meshed mode, and a bolt assembly is arranged in the connecting plate.
Preferably, the bolt assembly comprises a screw, a jack is formed in the bottom end of the connecting plate, the outer wall of the screw is movably inserted and connected with the inner wall of the jack, and a knob is fixedly connected to the top end of the screw.
Preferably, the bottom of knob runs through spread groove and bar groove in proper order, the screw hole has been seted up on the top of mounting panel, the outer wall and the inner wall threaded connection of screw rod.
Preferably, a countersunk hole is formed in the top end of the inner wall of the jack, and the outer wall of the knob is movably connected with the inner wall of the countersunk hole in a penetrating and inserting mode.
Preferably, the outer wall of the jack is sleeved with a gasket, the gasket is arranged in the counter bore, and the gasket is arranged at the bottom end of the knob.
Preferably, the bottom fixedly connected with two backup pads of centrifugal fan main part, two the bottom of backup pad respectively with the top fixed connection of base.
Preferably, the front of the centrifugal fan main body is provided with an air inlet pipe, a filter screen is arranged in the air inlet pipe, and the top end of the centrifugal fan main body is provided with an air outlet pipe.
The utility model has the technical effects and advantages that:
(1) According to the utility model, by means of the arrangement of the strip-shaped groove, the connecting groove, the first rack, the connecting plate and the second rack, the connecting plate is clamped in the connecting groove, the second rack is meshed with the corresponding first rack, the connecting plate can be positioned in the connecting groove, and the bolt assembly is matched with the connecting groove, so that the bolt assembly can not slide relatively in the connecting groove after being screwed up, the shaking phenomenon of the centrifugal fan during working is avoided, and the working stability of the centrifugal fan is improved;
(2) According to the utility model, the gasket is arranged, and after the screw is screwed in the threaded hole, the knob can be abutted against the gasket, so that the gasket can carry out upward extrusion force on the knob, and the phenomenon that the screw is loosened after being screwed in the threaded hole can be effectively avoided, thereby improving the use stability of the screw.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic diagram of a front cross-sectional structure of the connecting plate of the present utility model.
Fig. 3 is a schematic view of a partial enlarged structure at a of fig. 1 according to the present utility model.
In the figure: 11. a centrifugal fan main body; 12. a base; 13. a mounting plate; 21. a bar-shaped groove; 22. a connecting groove; 23. a first rack; 24. a connecting plate; 25. a second rack; 31. a jack; 32. a screw; 33. a threaded hole; 34. a knob; 41. a countersunk hole; 51. a gasket; 61. a support plate; 62. an air inlet pipe; 63. an air outlet pipe; 64. and (5) a filter screen.
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.
The utility model provides a high-stability centrifugal fan as shown in figures 1-3, which comprises a centrifugal fan main body 11, wherein a base 12 is arranged below the centrifugal fan main body 11, the bottom end of the base 12 is provided with a mounting plate 13, and the centrifugal fan main body 11 can be mounted by being mounted on the mounting plate 13 through the base 12;
the centrifugal fan comprises a centrifugal fan body 11, wherein the top end of the centrifugal fan body 11 is provided with two groups of auxiliary mechanisms, each auxiliary mechanism comprises two first racks 23, the bottom end of a base 12 is provided with a bar-shaped groove 21, the top end of the inner wall of each bar-shaped groove 21 is provided with a connecting groove 22, the two first racks 23 are respectively arranged at the bottom end of the inner wall of each connecting groove 22, a connecting plate 24 is arranged in each connecting groove 22, the bottom ends of the connecting plates 24 are respectively meshed with the top ends of the two first racks 23, the inside of the connecting plates 24 is provided with a bolt assembly, the connecting plates 24 are clamped in the connecting grooves 22, meanwhile, the second racks 25 are meshed with the corresponding first racks 23, the connecting plates 24 can be limited in the connecting grooves 22 at the moment, then the connecting plates 24 are connected with a mounting plate 13 through the bolt assembly, the base 12 and the mounting plate 13 can be fixed, and therefore the centrifugal fan body 11 is mounted, after the bolt assembly is screwed, shaking phenomenon of the centrifugal fan body 11 can be avoided through mutual limitation between the first racks 23 and the second racks 25;
the bolt assembly comprises a screw rod 32, the bottom end of the connecting plate 24 is provided with an inserting hole 31, the outer wall of the screw rod 32 is movably connected with the inner wall of the inserting hole 31 in a penetrating way, the top end of the screw rod 32 is fixedly connected with a knob 34, the bottom end of the knob 34 sequentially penetrates through the connecting groove 22 and the strip-shaped groove 21, the top end of the mounting plate 13 is provided with a threaded hole 33, the outer wall of the screw rod 32 is in threaded connection with the inner wall of the threaded hole 33, the screw rod 32 sequentially penetrates through the inserting hole 31, the connecting groove 22 and the strip-shaped groove 21 through the screw rod 32, and then the screw rod 32 is screwed into the threaded hole 33 until the screw rod 32 is screwed tightly, the screw rod 32 can be fixed with the mounting plate 13, so that the connecting plate 24 is fixed with the mounting plate 13, and the centrifugal fan main body 11 is mounted at the top end of the mounting plate 13;
the top end of the inner wall of the jack 31 is provided with a counter bore 41, the outer wall of the knob 34 is movably connected with the inner wall of the counter bore 41 in a penetrating way, when the screw rod 32 is screwed in the threaded hole 33, the knob 34 is clamped into the counter bore 41 at the moment, and therefore bulges on the surface of the connecting plate 24 after the screw rod 32 is installed can be avoided;
the outer wall of the jack 31 is sleeved with the gasket 51, the gasket 51 is arranged in the countersunk hole 41, the gasket 51 is arranged at the bottom end of the knob 34, and after the screw rod 32 is screwed in the threaded hole 33 through the arrangement of the gasket 51, the knob 34 presses the gasket 51 in the countersunk hole 41, so that the phenomenon of loosening after the bolt assembly is screwed is effectively avoided;
the bottom end of the centrifugal fan main body 11 is fixedly connected with two support plates 61, the bottom ends of the two support plates 61 are respectively and fixedly connected with the top end of the base 12, and the centrifugal fan main body 11 is fixed at the top end of the base 12 through the arrangement of the support plates 61;
the front of centrifugal fan main part 11 is provided with air-supply line 62, and the inside of air-supply line 62 is provided with filter screen 64, and the top of centrifugal fan main part 11 is provided with out tuber pipe 63, and centrifugal fan main part 11 during operation can be through air-supply line 62 air inlet, then the wind is discharged through out tuber pipe 63, simultaneously through the filtration of filter screen 64, can avoid getting into the wind in the air-supply line 62 and contain impurity for centrifugal fan main part 11 can stable work.
The working principle of the utility model is as follows:
when the centrifugal fan body 11 needs to be mounted, the base 12 for fixing the centrifugal fan body 11 is placed at the top end of the mounting plate 13, the strip-shaped groove 21 at the bottom end of the base 12 is aligned with the threaded hole 33 at the top end of the mounting plate 13, then the connecting plate 24 is lifted, the connecting plate 24 is clamped in the connecting groove 22, the insertion hole 31 is aligned with the threaded hole 33, then the connecting plate 24 is pressed down, the second rack 25 at the bottom end of the connecting plate 24 is meshed with the corresponding first rack 23, then the gasket 51 is lifted, the gasket 51 is clamped into the counter bore 41, then the screw 32 is lifted, the screw 32 sequentially penetrates through the counter bore 41, the insertion hole 31, the connecting groove 22 and the strip-shaped groove 21 and is screwed into the threaded hole 33 until the screw 32 is screwed in the threaded hole 33 until the knob 34 is clamped into the counter bore 41 to abut against the gasket 51, and the other screw 32 is screwed into the corresponding threaded hole 33 after repeated operation, and the centrifugal fan body 11 can be stably mounted at the top end of the base 12.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The high-stability centrifugal fan comprises a centrifugal fan main body (11), wherein a base (12) is arranged below the centrifugal fan main body (11), and a mounting plate (13) is arranged at the bottom end of the base (12);
the method is characterized in that: two groups of auxiliary mechanisms are arranged at the top end of the centrifugal fan main body (11);
the auxiliary mechanism comprises two first racks (23), a bar-shaped groove (21) is formed in the bottom end of the base (12), a connecting groove (22) is formed in the top end of the inner wall of the bar-shaped groove (21), the two first racks (23) are arranged at the bottom end of the inner wall of the connecting groove (22), a connecting plate (24) is arranged in the connecting groove (22), two second racks (25) are arranged at the bottom end of the connecting plate (24), the bottom ends of the two second racks (25) are respectively connected with the top ends of the two first racks (23) in a meshed mode, and a bolt assembly is arranged in the connecting plate (24).
2. The high-stability centrifugal fan according to claim 1, wherein the bolt assembly comprises a screw rod (32), the bottom end of the connecting plate (24) is provided with a jack (31), the outer wall of the screw rod (32) is movably inserted and connected with the inner wall of the jack (31), and the top end of the screw rod (32) is fixedly connected with a knob (34).
3. The high-stability centrifugal fan according to claim 2, wherein the bottom end of the knob (34) sequentially penetrates through the connecting groove (22) and the strip-shaped groove (21), a threaded hole (33) is formed in the top end of the mounting plate (13), and the outer wall of the screw (32) is in threaded connection with the inner wall of the threaded hole (33).
4. The high-stability centrifugal fan according to claim 2, wherein a counter bore (41) is formed at the top end of the inner wall of the insertion hole (31), and the outer wall of the knob (34) is movably connected with the inner wall of the counter bore (41) in a penetrating and inserting manner.
5. The high-stability centrifugal fan according to claim 2, wherein a gasket (51) is sleeved on the outer wall of the jack (31), the gasket (51) is arranged in the counter bore (41), and the gasket (51) is arranged at the bottom end of the knob (34).
6. The high-stability centrifugal fan according to claim 1, wherein the bottom end of the centrifugal fan main body (11) is fixedly connected with two support plates (61), and the bottom ends of the two support plates (61) are respectively and fixedly connected with the top end of the base (12).
7. The high-stability centrifugal fan according to claim 1, wherein an air inlet pipe (62) is arranged on the front surface of the centrifugal fan main body (11), a filter screen (64) is arranged in the air inlet pipe (62), and an air outlet pipe (63) is arranged at the top end of the centrifugal fan main body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320701126.6U CN220687619U (en) | 2023-04-03 | 2023-04-03 | High stability centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320701126.6U CN220687619U (en) | 2023-04-03 | 2023-04-03 | High stability centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687619U true CN220687619U (en) | 2024-03-29 |
Family
ID=90406441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320701126.6U Active CN220687619U (en) | 2023-04-03 | 2023-04-03 | High stability centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687619U (en) |
-
2023
- 2023-04-03 CN CN202320701126.6U patent/CN220687619U/en active Active
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