CN210859331U - Fan impeller with adjustable blade angle - Google Patents
Fan impeller with adjustable blade angle Download PDFInfo
- Publication number
- CN210859331U CN210859331U CN201921736591.3U CN201921736591U CN210859331U CN 210859331 U CN210859331 U CN 210859331U CN 201921736591 U CN201921736591 U CN 201921736591U CN 210859331 U CN210859331 U CN 210859331U
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- blade
- impeller
- angle
- adjustable
- hole
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Abstract
The utility model provides a fan wheel of blade angularly adjustable, including housing screw, U-shaped briquetting, impeller blade and blade seat wheel hub, impeller blade root is located to the U-shaped briquetting, installs on blade seat wheel hub with impeller blade, and housing screw locates blade seat wheel hub terminal surface, the utility model discloses can realize that fan wheel blade's angle carries out continuous regulation according to the amount of wind demand, and accommodation process is simple, can guarantee after the regulation that each impeller blade angle is unanimous, adjusts partial simple structure simultaneously, and fan wheel overall quality is less, and the dynamic load that produces each part of transmission is little, improves its life of each part.
Description
Technical Field
The utility model relates to a fan wheel field specifically, relates to a fan wheel of blade angle adjustable.
Background
Fan wheel drives the rotation through outside driving link and produces wind, and most fan wheel blade angle has been decided when production at present, when having different demands to the air supply volume in the use occasion of difference, need to change fan wheel or need install other devices additional and change the rotational speed of input fan wheel, and this makes whole fan system structure become complicated, and air regulation operation process is loaded down with trivial details, has increased use cost again simultaneously.
For example, patent No. CN208702775U provides an axial flow fan impeller with adjustable blade angle, wherein the blade angle adjusting part is composed of two bolts and a blade clamping tile, and the adjusting part has a complicated structure, so that the whole impeller has a large mass, and generates excessive stress to the whole transmission system, which affects the service life of the impeller. Meanwhile, when the angle of the blade is adjusted, in order to ensure that the stress of the blade handle is uniform, the two fastening pieces are required to be gradually screwed or loosened in sequence, and the adjustment operation is complicated, so that further improvement is required.
Disclosure of Invention
In order to overcome not enough and the defect among the prior art, the utility model aims to provide a fan wheel of blade angle adjustable, its accommodation process letter folk prescription is convenient and easy to operate, can not cause the whole quality too big again, produces unnecessary stress, increases transmission system's life.
The utility model provides a fan wheel of blade angularly adjustable, including housing screw, U-shaped briquetting, impeller blade and blade seat wheel hub, impeller blade root is located to the U-shaped briquetting, installs downthehole on the face of cylinder outside blade seat wheel hub with impeller blade, and housing screw locates downthehole on the blade seat wheel hub terminal surface.
Furthermore, the middle part of the blade handle of the impeller blade is provided with an annular groove, and a square groove is arranged below the annular groove along the direction of the cylindrical generatrix of the blade handle.
Furthermore, the head of the compression screw is provided with a T-shaped boss, and the U-shaped pressing block is provided with a T-shaped groove matched with the T-shaped boss.
Furthermore, the hole on the outer cylindrical side of the blade seat hub is a plurality of blade mounting holes which are uniformly distributed on the circumference, and the outer end face of each blade mounting hole is provided with 0-90-degree scales.
Furthermore, the hole on the end face of the hub of the blade seat is a threaded hole corresponding to the axis of the blade mounting hole.
Furthermore, a scale confirmation line is formed on a blade stem boss part of the impeller blade and is matched with the scale on the outer end face of the blade mounting hole to read the adjusting angle.
Further, the U-shaped pressing block is shaped like a concentric circular arc of 180 degrees.
The utility model provides a fan wheel of blade angularly adjustable compares with prior art, the beneficial effects of the utility model are that:
1. the blade angle can be continuously adjusted according to the requirement by the air output, the air output is prevented from being adjusted by using other speed adjusting devices or replacing fan impellers, the structure of a fan system is simplified, and the use cost is reduced.
2. Can fasten and relax corresponding blade through adjusting single housing screw, accommodation process convenient operation adjusts partial simple structure simultaneously, helps alleviateing whole fan wheel's quality, reduces the dynamic load that transmission system received, increases life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partial sectional view of the present invention.
Fig. 3 is a schematic view of the structure of the middle compression screw of the present invention.
Fig. 4 is a schematic diagram of the structure of the U-shaped pressing block of the present invention.
Fig. 5 is a schematic view of the structure of the middle impeller blade of the present invention.
Fig. 6 is a schematic view of the structure of the hub of the middle blade seat of the present invention.
In the figure, 1-compression screw, 11- "T" shape boss, 2-U shape briquetting, 21- "T" shape groove, 3-impeller blade, 31-scale confirmation line, 32-ring groove, 33-square groove, 4-blade seat hub, 41-blade mounting hole, 42-scale line, 43-screwed hole.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings of the present invention.
Please refer to fig. 1 to 6, a fan impeller with adjustable blade angle includes a compression screw 1, a U-shaped pressing block 2, an impeller blade 3 and a blade seat hub 4, the compression screw 1 is disposed in a threaded hole 43 on the blade seat hub 4 through a thread fit, a "T" shaped boss 11 is formed at the head of the compression screw 1, a square groove 33 is formed at the bottom of the impeller blade 3 to enable the compression screw 1 to be mounted in place, the compression screw is matched with the "T" shaped groove 21 formed on the U-shaped pressing block 2, the U-shaped pressing block 2 is disposed in a ring groove 32 of a blade stem portion and is mounted in a blade mounting hole 41 on the blade seat hub 4 together with the impeller blade 3.
As shown in fig. 6, the outer end surface of the blade mounting hole 41 of the blade base hub 4 is provided with a scale 42, which can be matched with the scale confirmation line 31 of the impeller blade 3 shown in fig. 5 to read the adjustment angle.
The utility model discloses when angle regulation, at first relax housing screw 1, U-shaped briquetting 2 alright slide along the annular 32 of petiole portion, impeller blade 3 is rotatory in blade mounting hole 41, confirm line 31 and the required angle of scale mark 42 confirmation through the scale, the housing screw 1 of screwing again makes U-shaped briquetting 2 to petiole generate pressure, the circumferential direction of impeller blade 3 has been restricted under the location of "T" shape boss 11 of frictional force and housing screw 1 head, U-shaped briquetting 2 is installed in the annular 32 of petiole portion simultaneously, it has also played the limiting displacement to impeller blade 3's axial motion, thereby make impeller blade 3 fixed, accomplish the operation of angle regulation. The angle adjusting process is simple and reliable to operate, the adjusting part is simple in structure, the whole fan impeller is light in weight, dynamic loads generated on all parts of a transmission system are small, and the service life is long.
Claims (7)
1. The utility model provides a fan wheel of blade angularly adjustable, includes housing screw (1), U-shaped briquetting (2), impeller blade (3) and blade seat wheel hub (4), its characterized in that: the U-shaped pressing block (2) is arranged at the root of the impeller blade (3) and is arranged in a hole on the outer cylindrical surface of the blade seat hub (4) together with the impeller blade (3), and the compression screw (1) is arranged in the hole on the end surface of the blade seat hub (4).
2. The fan impeller with adjustable blade angle of claim 1, characterized in that: the middle part of the blade handle of the impeller blade (3) is provided with a ring groove (32), and a square groove (33) is arranged below the ring groove (32) along the direction of the cylindrical generatrix of the blade handle.
3. The fan impeller with adjustable blade angle of claim 1, characterized in that: the head of the compression screw (1) is provided with a T-shaped boss (11), and the U-shaped pressing block (2) is provided with a T-shaped groove (21) matched with the T-shaped boss (11).
4. The fan impeller with adjustable blade angle of claim 1, characterized in that: the hole of the excircle column side of the blade seat hub (4) is a plurality of blade mounting holes (41) which are uniformly distributed on the circumference, and the outer end face of each blade mounting hole (41) is provided with 0-90-degree scales (42).
5. The fan impeller with adjustable blade angle of claim 1, characterized in that: the hole of the end face of the blade seat hub (4) is a threaded hole (43) corresponding to the axis of the blade mounting hole (41).
6. The fan impeller with adjustable blade angle of claim 1, characterized in that: the blade handle boss part of the impeller blade (3) is provided with a scale confirmation line (31) which is matched with a scale (42) on the outer end face of the blade mounting hole (41) to read the adjusting angle.
7. The fan impeller with adjustable blade angle of claim 1, characterized in that: the U-shaped pressing block (2) is in a shape of a concentric arc of 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736591.3U CN210859331U (en) | 2019-10-16 | 2019-10-16 | Fan impeller with adjustable blade angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921736591.3U CN210859331U (en) | 2019-10-16 | 2019-10-16 | Fan impeller with adjustable blade angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859331U true CN210859331U (en) | 2020-06-26 |
Family
ID=71308682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921736591.3U Expired - Fee Related CN210859331U (en) | 2019-10-16 | 2019-10-16 | Fan impeller with adjustable blade angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859331U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163552A (en) * | 2022-07-20 | 2022-10-11 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade root connection structure |
-
2019
- 2019-10-16 CN CN201921736591.3U patent/CN210859331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163552A (en) * | 2022-07-20 | 2022-10-11 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade root connection structure |
| CN115163552B (en) * | 2022-07-20 | 2023-10-17 | 江苏航宇航空装备制造有限公司 | Carbon fiber blade root connection structure |
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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: 20200626 Termination date: 20211016 |
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| CF01 | Termination of patent right due to non-payment of annual fee |