CN220890576U - Centrifugal fan impeller with riveted structure - Google Patents
Centrifugal fan impeller with riveted structure Download PDFInfo
- Publication number
- CN220890576U CN220890576U CN202322489184.XU CN202322489184U CN220890576U CN 220890576 U CN220890576 U CN 220890576U CN 202322489184 U CN202322489184 U CN 202322489184U CN 220890576 U CN220890576 U CN 220890576U
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- centrifugal fan
- plate
- fan impeller
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- 239000007787 solid Substances 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000002457 bidirectional effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009423 ventilation 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
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 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
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Abstract
The utility model discloses a centrifugal fan impeller with a riveted structure, which belongs to the technical field of centrifugal fan impellers and comprises a middle wheel disc, a front wheel disc and a plurality of groups of blades, wherein a first fixing ring and a second fixing ring are arranged at the top of the middle wheel disc, a plurality of groups of first clamping grooves matched with the blades are formed in the top of the first fixing ring, a plurality of groups of second clamping grooves matched with the blades are formed in the top of the second fixing ring, a screw rod is arranged at the top of a sliding plate, one end of the screw rod penetrates through the inner top of a first cavity and is connected with a rotating plate arranged outside the first cavity, a second cavity is formed in the sliding plate, and a telescopic mechanism is arranged in the second cavity.
Description
Technical Field
The utility model relates to the technical field of centrifugal fan impellers, in particular to a centrifugal fan impeller with a riveted structure.
Background
The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, is a driven fluid machine, and is widely used for ventilation, dust discharge and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; the ventilation and induced air of boiler and industrial furnace kiln adopts welded connection mostly between current fan blade and rim plate and the wheel casing to inconvenient change it when blade or rim plate damage, can only change comprehensively, use cost is high, consequently, we propose a centrifugal fan impeller of riveted structure.
Disclosure of utility model
The utility model aims to provide a centrifugal fan impeller with a riveted structure, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a centrifugal fan impeller of riveted structure, includes well rim plate, preceding rim plate and multiunit blade, well rim plate top is equipped with first solid fixed ring and second solid fixed ring, multiunit and blade assorted first draw-in groove has been seted up at first solid fixed ring top, multiunit and blade assorted second draw-in groove has been seted up at second solid fixed ring top, multiunit blade upper and lower lateral wall all is equipped with the installation piece, multiunit and installation piece assorted through-hole have all been seted up at well rim plate and preceding rim plate top, have seted up first cavity in the installation piece, are equipped with the sliding plate in the first cavity, the sliding plate top is equipped with the screw rod, and screw rod one end runs through the rotation board that top and outside were equipped with in the first cavity is connected, the second cavity has been seted up to the sliding plate inside, is equipped with telescopic machanism in the second cavity.
Further, a sliding rod is arranged at the top of the sliding plate, and one end of the sliding rod penetrates through the inner top of the first cavity and extends to the outside.
Further, telescopic machanism includes the two-way lead screw that is equipped with in the second cavity, and the outer wall all cup joints about the two-way lead screw has prolonged the board, and two sets of prolonged board one end all extends to outside through the second cavity in the lateral wall about respectively, two-way lead screw outer wall cup joints the installation and is equipped with driven bevel gear, be equipped with in the second cavity with driven bevel gear engaged with initiative bevel gear, initiative bevel gear top is equipped with the pivot, and pivot one end runs through the interior top of second cavity and the adjust knob that slide bar bottom and outside were equipped with is connected.
Further, the sliding groove is formed in the inner bottom of the second cavity, and sliding blocks matched with the sliding groove are arranged at the bottoms of the two groups of extension plates.
Further, the left side wall and the right side wall of the mounting block are provided with sliding grooves, and the extension plate is connected in a sliding manner in the sliding grooves.
Further, the radius of the inner wall of the first fixing ring is larger than that of the inner wall of the second fixing ring.
Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses can be connected blade and well rim plate and front bezel under first draw-in groove, second draw-in groove, through-hole, installation piece, sliding plate, screw rod, rotor plate and telescopic machanism's cooperation, realize riveting formula connection to can make things convenient for singly changing blade or rim plate, reduce use cost height.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of a first cavity according to the present utility model;
FIG. 3 is a schematic view of the internal structure of a second cavity according to the present utility model.
In the figure: 1. a middle wheel disc; 2. a first fixing ring; 3. a second fixing ring; 4. a first clamping groove; 5. a second clamping groove; 6. a blade; 7. a mounting block; 8. a front wheel disc; 9. a through hole; 10. a first cavity; 11. a chute; 12. a sliding plate; 13. a telescoping mechanism; 130. an extension plate; 131. a two-way screw rod; 132. a driven bevel gear; 133. a drive bevel gear; 134. a sliding block; 135. a sliding groove; 136. a rotating shaft; 137. an adjustment knob; 14. a screw; 15. a rotating plate; 16. a slide bar; 17. a second cavity.
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.
Example 1:
Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a centrifugal fan impeller of riveted structure, including well rim plate 1, preceding rim plate 8 and multiunit blade 6, well rim plate 1 top is equipped with first solid fixed ring 2 and solid fixed ring 3 of second, the solid fixed ring 2 inner wall radius of first is greater than the solid fixed ring 3 inner wall radius of second, the first draw-in groove 4 of multiunit and blade 6 assorted is seted up at solid fixed ring 2 top, the second draw-in groove 5 of multiunit and blade 6 assorted is seted up at solid fixed ring 3 top of second, multiunit blade 6 upper and lower lateral wall all is equipped with installation piece 7, the multiunit through-hole 9 with installation piece 7 assorted has all been seted up at well rim plate 1 and preceding rim plate 8 top, first cavity 10 has been seted up in the installation piece 7, be equipped with sliding plate 12 in the first cavity 10, sliding plate 12 top is equipped with slide bar 16, slide bar 16 one end runs through the interior top of first cavity 10 and extends to outside, make sliding plate 12 reciprocate more stably in first cavity 10 under the effect of slide bar 16, sliding plate 12 top is equipped with screw rod 14, screw rod 14 one end runs through the inside the first cavity 10 top and the rotation plate 15 that is equipped with outside, sliding plate 12 is inside 17, second cavity 17 is seted up in the second cavity 17.
Referring to fig. 3, the telescopic mechanism 13 includes a bidirectional screw rod 131 disposed in the second cavity 17, the left and right outer walls of the bidirectional screw rod 131 are sleeved with extension plates 130, one ends of the two sets of extension plates 130 respectively penetrate through the left and right side walls in the second cavity 17 and extend to the outside, a sliding groove 135 is formed in the inner bottom of the second cavity 17, sliding blocks 134 matched with the sliding groove 135 are disposed at the bottoms of the two sets of extension plates 130, the extension plates 130 can move on the outer walls of the bidirectional screw rod 131 under the action of the sliding groove 135 and the sliding blocks 135, sliding grooves 11 are formed in the left and right side walls of the mounting block 7, the extension plates 130 are slidably connected in the sliding grooves 11, driven bevel gears 132 are sleeved on the outer walls of the bidirectional screw rod 131, driving bevel gears 133 meshed with the driven bevel gears 132 are disposed in the second cavity 17, a rotating shaft 136 is disposed at the top of the driving bevel gears 133, and one ends of the rotating shaft 136 penetrate through the inner top of the second cavity 17 and the bottom of the sliding rod 16 to be connected with an adjusting knob 137 disposed outside.
Working principle: the blade 6 is clamped into the first clamping groove 4 and the second clamping groove 5, then the through hole 9 is formed in the mounting block 7, the rotary shaft 136 is driven to rotate by the rotary adjusting knob 137, the drive bevel gear 133 is driven to rotate by the rotary shaft 136, the driven bevel gear 132 is driven to rotate by the drive bevel gear 133, the bidirectional screw rod 131 is driven to rotate by the driven bevel gear 132, the extension plate 130 can move on the outer wall of the bidirectional screw rod 131 under the action of the sliding groove 135 and the sliding block 135, the extension plate 130 moves out of the sliding groove 11, then the screw rod 14 is driven to rotate by the rotary plate 15, the sliding plate 12 is driven to move downwards by the screw rod 14 under the action of the sliding rod 16, the extension plate 130 can squeeze and fix the front wheel disc 8 and the middle wheel disc 1, and riveting of the blade 6 and the middle wheel disc 1 and the front wheel cover 8 is achieved.
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 centrifugal fan impeller of riveted structure, includes well rim plate (1), preceding rim plate (8) and multiunit blade (6), its characterized in that: the utility model discloses a well rim plate (1) top is equipped with first solid fixed ring (2) and second solid fixed ring (3), multiunit and blade (6) assorted first draw-in groove (4) have been seted up at first solid fixed ring (2) top, multiunit and blade (6) assorted second draw-in groove (5) have been seted up at second solid fixed ring (3) top, multiunit blade (6) upper and lower lateral wall all is equipped with installation piece (7), multiunit and installation piece (7) assorted through-hole (9) have all been seted up at well rim plate (1) and front rim plate (8) top, have seted up first cavity (10) in installation piece (7), are equipped with sliding plate (12) in first cavity (10), sliding plate (12) top is equipped with screw rod (14), and screw rod (14) one end runs through in first cavity (10) top and is connected with rotation board (15) that outside is equipped with, second cavity (17) have been seted up to sliding plate (12) inside, are equipped with telescopic machanism (13) in second cavity (17).
2. A centrifugal fan impeller of riveted construction according to claim 1, wherein: the top of the sliding plate (12) is provided with a sliding rod (16), and one end of the sliding rod (16) penetrates through the inner top of the first cavity (10) and extends to the outside.
3. A centrifugal fan impeller of riveted construction according to claim 1, wherein: the telescopic machanism (13) include two-way lead screw (131) that are equipped with in second cavity (17), and outer wall has all been cup jointed extension board (130) about two-way lead screw (131), and the lateral wall all extends to outside about two sets of extension board (130) one end runs through in second cavity (17) respectively, two-way lead screw (131) outer wall cup joints the installation and is equipped with driven bevel gear (132), be equipped with in second cavity (17) with driven bevel gear (132) engaged with initiative bevel gear (133), initiative bevel gear (133) top is equipped with pivot (136), and pivot (136) one end runs through top and slide bar (16) bottom in second cavity (17) and is connected with adjust knob (137) that the outside was equipped with.
4. A centrifugal fan impeller of riveted construction according to claim 3, wherein: a sliding groove (135) is formed in the inner bottom of the second cavity (17), and sliding blocks (134) matched with the sliding groove (135) are arranged at the bottoms of the two groups of extension plates (130).
5. A centrifugal fan impeller of riveted construction according to claim 3, wherein: the left side wall and the right side wall of the mounting block (7) are respectively provided with a sliding groove (11), and the extension plate (130) is connected in a sliding way in the sliding grooves (11).
6. A centrifugal fan impeller of riveted construction according to claim 1, wherein: the radius of the inner wall of the first fixed ring (2) is larger than that of the inner wall of the second fixed ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322489184.XU CN220890576U (en) | 2023-09-13 | 2023-09-13 | Centrifugal fan impeller with riveted structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322489184.XU CN220890576U (en) | 2023-09-13 | 2023-09-13 | Centrifugal fan impeller with riveted structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890576U true CN220890576U (en) | 2024-05-03 |
Family
ID=90842462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322489184.XU Active CN220890576U (en) | 2023-09-13 | 2023-09-13 | Centrifugal fan impeller with riveted structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890576U (en) |
-
2023
- 2023-09-13 CN CN202322489184.XU patent/CN220890576U/en active Active
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