CN213981248U - Axial flow fan with adjustable blades - Google Patents
Axial flow fan with adjustable blades Download PDFInfo
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- CN213981248U CN213981248U CN202022972342.3U CN202022972342U CN213981248U CN 213981248 U CN213981248 U CN 213981248U CN 202022972342 U CN202022972342 U CN 202022972342U CN 213981248 U CN213981248 U CN 213981248U
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- adjusting screw
- axial flow
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Abstract
The utility model discloses an adjustable blade's axial-flow fan, including a fan outer wall section of thick bamboo, the activity is inlayed to the preceding terminal surface of a fan outer wall section of thick bamboo and is provided with the protection network, the centre of a fan outer wall section of thick bamboo is provided with fan power unit protection casing, the even fixed mounting in inside of fan power unit protection casing has four accommodate motor, accommodate motor's front end fixed mounting has drive gear, one side of drive gear is provided with the screw gear, fixed mounting is run through to the centre of screw gear has adjusting screw, adjusting screw's the even activity of surface is provided with two adjust the slider, adjust the slider's top fixed mounting has the power connecting rod, the activity of the one end outside of power connecting rod is provided with the connecting rod. The utility model discloses an install adjusting screw, adjusting block, power connecting rod, connecting rod and flabellum fixed block and can adjust the working vane quantity of axial fan, change the quantity regulation axial fan's of flabellum power.
Description
Technical Field
The utility model relates to an axial fan technical field specifically is an adjustable blade's axial fan.
Background
With the rapid development of social economy, an axial flow fan is airflow in the same direction as the axis of a fan blade, such as an electric fan, and an air conditioner external unit fan is an axial flow type running fan, so the axial flow fan is called axial flow type, because air flows parallel to the fan axis, the axial flow fan is generally used in occasions with higher flow requirements and lower pressure requirements, the axial flow fan is fixed in position and moves air, the axial flow fan mainly comprises a fan impeller and a casing, the structure is simple, but the data requirement is very high.
However, the number of the fan blades of the conventional axial flow fan is fixed, so that the efficacy of the axial flow fan is in a fixed range and is inconvenient to adjust; thus, the existing needs are not met, and for this reason we propose an adjustable-vane axial fan.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an axial fan of adjustable blade to the quantity of the flabellum of the current axial fan who proposes in solving above-mentioned background art is fixed, leads to axial fan's efficiency to be in inside the fixed range, inconvenient scheduling problem of adjusting.
In order to achieve the above object, the utility model provides a following technical scheme: an axial flow fan with adjustable blades comprises a fan outer wall cylinder, wherein a protective net is movably embedded on the front end surface of the fan outer wall cylinder, a fan power mechanism protecting shell is arranged in the middle of the fan outer wall cylinder, four adjusting motors are uniformly and fixedly arranged in the fan power mechanism protecting shell, a transmission gear is fixedly arranged at the front end of the adjusting motor, a screw gear is arranged at one side of the transmission gear, an adjusting screw is fixedly arranged in the middle of the screw gear in a penetrating way, two adjusting slide blocks are uniformly and movably arranged on the outer surface of the adjusting screw, a power connecting rod is fixedly arranged above the adjusting slide block, a connecting rod is movably arranged at the outer side of one end of the power connecting rod, the other end fixed mounting of connecting rod has the flabellum fixed block, the surface fixed mounting of flabellum fixed block has fan flabellum.
Preferably, the outer surfaces of the adjusting screw rod, which are in contact with the two adjusting sliders, are provided with threads with completely opposite turning directions from the middle to the outer sides of the two ends, the inner side surfaces of the two adjusting sliders outside the adjusting screw rod are also provided with threads with completely opposite turning directions, and the adjusting screw rod is in threaded connection with the adjusting sliders.
Preferably, a support frame is arranged on the outer side of the outer wall cylinder of the fan, and universal wheels are movably mounted at the bottom of the support frame.
Preferably, the both sides of flabellum fixed block are all fixed mounting have supporting slide block, the activity of evenly inlaying in the outside of supporting slide block is provided with the ball, supporting slide block and fan power unit protection casing sliding connection.
Preferably, the outer end face of the fan blade fixing block is completely attached to the bottom end of the fan blade, and the fan blade fixing block and the fan blade are integrally cast and molded.
Preferably, the end part of the power connecting rod inserted in the connecting rod is fixedly provided with a limiting ring, and an adjusting spring is arranged between the limiting ring and the connecting rod.
Preferably, ball bearings are arranged on the outer sides of the two ends of the adjusting screw rod, and the adjusting screw rod is connected with the fan power mechanism protection shell through the ball bearings.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a when needing to adjust axial fan's working vane quantity, switch on the power of adjusting motor 12 and start, it makes screw gear 10 and screw gear 10's centre run through fixed adjusting screw 9 and rotate to drive gear 11 rotatory after adjusting motor 12 starts, and can drive two adjusting block 8 along its outside surface each other or opposite movement through the thread friction between adjusting block 8 when adjusting screw 9 rotates, make adjusting block 8 drive two power connecting rods 7 and connecting rod 6 and carry out synchronous motion, make flabellum fixed block 5 drive fan flabellum 4 and move, make the fan flabellum 4 of continuous mutual laminating separate or two fan flabellum 4 of mutual separation laminate, change axial fan's working vane quantity, thereby change the work efficiency of fan;
2. the utility model discloses a 12 rotatory feasible adjusting blocks 8 of adjusting motor drive adjusting screw 9 are starting along the outside, drive connecting rod 6 and power connecting rod 7 and remove and make flabellum fixed block 5 drive fan flabellum 4 and remove at the surface of fan power unit protection casing 3, adjust the distance between fan flabellum 4 and the fan flabellum 4, adjust the density degree of the wind velocity of flow between the fan flabellum 4, further change axial fan's whole work efficiency.
Drawings
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of the protection casing of the fan power mechanism of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2;
fig. 4 is a schematic structural diagram of the present invention at B in fig. 2.
In the figure: 1. a fan outer wall cylinder; 2. a protective net; 3. the fan power mechanism protects the shell; 4. fan blades; 5. a fan blade fixing block; 6. a connecting rod; 7. a power link; 8. adjusting the sliding block; 9. adjusting the screw rod; 10. a screw gear; 11. a transmission gear; 12. adjusting the motor; 13. adjusting the spring; 14. supporting the slider.
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 to 4, the present invention provides an embodiment: the utility model provides an axial flow fan of adjustable blade, including fan outer wall section of thick bamboo 1, the activity of inlaying of the preceding terminal surface of fan outer wall section of thick bamboo 1 is provided with protection network 2, fan power unit protection casing 3 is provided with in the centre of fan outer wall section of thick bamboo 1, the even fixed mounting in inside of fan power unit protection casing 3 has four adjusting motor 12, adjusting motor 12's front end fixed mounting has drive gear 11, one side of drive gear 11 is provided with screw gear 10, fixed mounting has adjusting screw 9 in the centre of screw gear 10 runs through, adjusting screw 9's the even activity of surface is provided with two adjusting block 8, adjusting block 8's top fixed mounting has power connecting rod 7, the activity of the one end outside of power connecting rod 7 is provided with connecting rod 6, the other end fixed mounting of connecting rod 6 has flabellum fixed block 5, the outer fixed mounting of flabellum fixed block 5 has fan flabellum 4. The adjusting motor 12 (model number ncv28-400-60C) mentioned in the present invention can be obtained from market purchase or private customization.
Further, the outer surfaces of the adjusting screw 9, which are in contact with the two adjusting sliders 8, are provided with threads with completely opposite turning directions from the middle to the outer sides of the two ends, the inner side surfaces of the two adjusting sliders 8 outside the adjusting screw 9 are also provided with threads with completely opposite turning directions, and the adjusting screw 9 is in threaded connection with the adjusting sliders 8.
Through adopting above-mentioned technical scheme, the screw thread that turns to totally opposite makes can make two adjusting sliding blocks 8 mutual or opposite movements when adjusting screw 9 is rotatory for adjusting sliding blocks 8 drives power connecting rod 7 and connecting rod 6 and moves the position of adjusting fan flabellum 4.
Furthermore, a supporting frame is arranged on the outer side of the outer wall cylinder 1 of the fan, and universal wheels are movably mounted at the bottom of the supporting frame.
Through adopting above-mentioned technical scheme, the support frame supports the device, guarantees the stability of device, and the universal wheel makes things convenient for the device to remove, is convenient for carry.
Further, the both sides of flabellum fixed block 5 all fixed mounting have supporting slide 14, and the activity is evenly inlayed in supporting slide 14's the outside and is provided with the ball, supporting slide 14 and fan power unit protection casing 3 sliding connection.
Through adopting above-mentioned technical scheme, support slider 14 leads and supports flabellum fixed block 5, avoids flabellum fixed block 5 to appear the separation along with fan power unit protection casing 3 is rotatory, reduces the friction of flabellum fixed block 5 and fan power unit protection casing 3 simultaneously, and the flabellum fixed block 5 of being convenient for drives fan flabellum 4 and adjusts.
Further, the outer end face of the fan blade fixing block 5 is completely attached to the bottom end of the fan blade 4, and the fan blade fixing block 5 and the fan blade 4 are integrally cast and molded.
By adopting the technical scheme, the integrally cast and molded part is stable in integral connection, has good mechanical strength, and cannot be easily broken or damaged.
Furthermore, the end part of the power connecting rod 7 inserted in the connecting rod 6 is fixedly provided with a limiting ring, and an adjusting spring 13 is arranged between the limiting ring and the connecting rod 6.
Through adopting above-mentioned technical scheme, the spacing ring can avoid power connecting rod 7 to break away from connecting rod 6 is inside, guarantees that the device can not break down, and adjusting spring 13 is convenient for connecting rod 6 and moves in the power connecting rod 7 outside when flabellum fixed block 5 removes.
Further, ball bearings are arranged on the outer sides of two ends of the adjusting screw rod 9, and the adjusting screw rod 9 is connected with the fan power mechanism protective shell 3 through the ball bearings.
Through adopting above-mentioned technical scheme, ball bearing simple structure, convenient to use separate adjusting screw 9 and fan power unit protection casing 3 and be convenient for adjusting screw 9 free rotation and the resistance that receives is less.
The working principle is as follows: when the axial flow fan is used, when the number of the working blades of the axial flow fan needs to be adjusted, the power supply of the adjusting motor 12 is switched on and started, the adjusting motor 12 is driven to rotate after being started, so that the screw gear 10 and the adjusting screw 9 which penetrates through and is fixed between the screw gear 10 rotate, when the adjusting screw 9 rotates, the two adjusting sliders 8 are driven to move along the outer side surfaces of the adjusting sliders 8 mutually or oppositely through thread friction between the adjusting sliders 8, the adjusting sliders 8 are driven to drive the two power connecting rods 7 and the connecting rods 6 to move synchronously, the fan blade fixing blocks 5 are driven to drive the fan blades 4 to move, so that the connected fan blades 4 which are mutually attached are mutually separated or the two fan blades 4 which are mutually separated are attached mutually are attached, the number of the working blades of the axial flow fan is changed, the working efficiency of the fan is changed, and meanwhile, the adjusting screws 9 can be driven to rotate by the adjusting motor 12 so that the adjusting sliders 8 are started along the outer side, the connecting rod 6 and the power connecting rod 7 are driven to move, so that the fan blade fixing block 5 drives the fan blades 4 to move on the outer surface of the fan power mechanism protective shell 3, the distance between the fan blades 4 and the fan blades 4 is adjusted, the density degree of the wind flow speed between the fan blades 4 is adjusted, and the overall working efficiency of the axial flow fan is further changed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. An axial-flow fan of adjustable blade, includes fan outer wall section of thick bamboo (1), its characterized in that: the fan outer wall cylinder is characterized in that a protective net (2) is movably arranged on the front end face of the fan outer wall cylinder (1) in an embedded mode, a fan power mechanism protective shell (3) is arranged in the middle of the fan outer wall cylinder (1), four adjusting motors (12) are uniformly and fixedly arranged in the fan power mechanism protective shell (3), a transmission gear (11) is fixedly arranged at the front end of each adjusting motor (12), a screw gear (10) is arranged on one side of each transmission gear (11), an adjusting screw (9) penetrates through the middle of each screw gear (10) and is fixedly arranged, two adjusting sliders (8) are uniformly and movably arranged on the outer surface of each adjusting screw (9), a power connecting rod (7) is fixedly arranged above each adjusting slider (8), a connecting rod (6) is movably arranged on the outer side of one end of each power connecting rod (7), and a fan blade fixing block (5) is fixedly arranged at the other end of each connecting rod (6), and the outer surface of the fan blade fixing block (5) is fixedly provided with a fan blade (4).
2. An adjustable vane axial flow fan as claimed in claim 1 wherein: the outer surface that adjusting screw (9) and two adjusting slider (8) contact all is provided with the screw thread that turns to totally opposite from the centre to the outside at both ends, the inboard surface of two adjusting slider (8) in adjusting screw (9) outside is provided with the screw thread that turns to totally opposite equally, adjusting screw (9) pass through threaded connection with adjusting slider (8).
3. An adjustable vane axial flow fan as claimed in claim 1 wherein: the outer side of the outer wall cylinder (1) of the fan is provided with a support frame, and the bottom of the support frame is movably provided with universal wheels.
4. An adjustable vane axial flow fan as claimed in claim 1 wherein: the fan blade fixing structure is characterized in that supporting sliding blocks (14) are fixedly mounted on two sides of the fan blade fixing block (5), balls are uniformly embedded in the outer sides of the supporting sliding blocks (14) and movably connected with a fan power mechanism protecting shell (3).
5. An adjustable vane axial flow fan as claimed in claim 1 wherein: the fan blade fixing block is characterized in that the end face of the outer end of the fan blade fixing block (5) is completely attached to the bottom end of the fan blade (4), and the fan blade fixing block (5) and the fan blade (4) are integrally cast and molded.
6. An adjustable vane axial flow fan as claimed in claim 1 wherein: the end part of the power connecting rod (7) inserted in the connecting rod (6) is fixedly provided with a limiting ring, and an adjusting spring (13) is arranged between the limiting ring and the connecting rod (6).
7. An adjustable vane axial flow fan as claimed in claim 1 wherein: ball bearings are arranged on the outer sides of two ends of the adjusting screw rod (9), and the adjusting screw rod (9) is connected with the fan power mechanism protective shell (3) through the ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022972342.3U CN213981248U (en) | 2020-12-11 | 2020-12-11 | Axial flow fan with adjustable blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022972342.3U CN213981248U (en) | 2020-12-11 | 2020-12-11 | Axial flow fan with adjustable blades |
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| Publication Number | Publication Date |
|---|---|
| CN213981248U true CN213981248U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022972342.3U Active CN213981248U (en) | 2020-12-11 | 2020-12-11 | Axial flow fan with adjustable blades |
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| Country | Link |
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| CN (1) | CN213981248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837993A (en) * | 2022-05-23 | 2022-08-02 | 安徽朗迪叶轮机械有限公司 | Double-layer axial flow fan blade |
-
2020
- 2020-12-11 CN CN202022972342.3U patent/CN213981248U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837993A (en) * | 2022-05-23 | 2022-08-02 | 安徽朗迪叶轮机械有限公司 | Double-layer axial flow fan blade |
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