CN204878049U - Through -flow leaf structure , through -flow fan blade, through -flow fan and air conditioning unit - Google Patents
Through -flow leaf structure , through -flow fan blade, through -flow fan and air conditioning unit Download PDFInfo
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- CN204878049U CN204878049U CN201520490742.7U CN201520490742U CN204878049U CN 204878049 U CN204878049 U CN 204878049U CN 201520490742 U CN201520490742 U CN 201520490742U CN 204878049 U CN204878049 U CN 204878049U
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- blade
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- moving vane
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Abstract
The utility model relates to a through -flow leaf structure, through -flow fan blade, through -flow fan and air conditioning unit, wherein, through -flow leaf structure includes blade bed frame and movable vane, the blade bed frame with the last arc slide steering structure of mutually supporting that is provided with of movable vane, under different work condition, through arc slide steering structure, movable vane can follow the pitch arc direction for the motion of blade bed frame to adjust the access & exit angle. The utility model discloses but set the leaf structure of the fixed integral type among the prior art to two parts that free activity adjusts, under different work condition, through arc slide steering structure, movable vane can follow the pitch arc direction for the motion of blade bed frame, consequently, and can be according to the different automatically regulated through -flow leaf structure's of load in the operating condition access & exit angle to adapt to the position point of corresponding operating mode, effectively guaranteed each through -flow leaf structure's efficiency.
Description
Technical field
The utility model relates to blower fan field, particularly relates to a kind of through-flow blade structure, through-flow fan blade, cross flow fan and air-conditioner set.
Background technique
Existing through-flow fan blade is all made up of several fixed through-flow blade structure separately, after fixed through-flow blade structure is fixing according to established angle installation, is the state fixed completely, cannot regulates the gateway angle of fixed through-flow blade structure.But through-flow fan blade often operates in different operating mode in reality, and under same operating, different leaves structure due to interior stream asymmetric, the operational efficiency difference equally to some extent of each blade structure, this makes through-flow fan blade according to operating mode different under running state, cannot change the gateway angle of blade structure, be difficult to the efficiency playing each blade structure completely, the efficiency of cross flow fan is difficult to ensure, and this has considerable influence to the performance of cross flow fan and noise, and its properties haves much room for improvement.
Model utility content
The purpose of this utility model proposes a kind of through-flow blade structure, through-flow fan blade, cross flow fan and air-conditioner set, and wherein, the gateway angle of through-flow blade structure can regulate automatically, improves operational efficiency.
For achieving the above object, the utility model provides a kind of through-flow blade structure, it comprises blade pedestal and moving vane, described blade pedestal and described moving vane are provided with the arc sliding guide structure cooperatively interacted, under different operating mode, by described arc sliding guide structure, described moving vane can move, to adjust inlet angle along arc direction relative to described blade pedestal.
One preferably or in embodiment, described blade pedestal and the mutual grafting of described moving vane, plugging position is overlapped, and described arc sliding guide structure is arranged on the position of described blade pedestal and the mutual grafting overlap of described moving vane.
One preferably or in embodiment, described arc sliding guide structure comprises the arc-shaped guide rail and arc guide barrel that cooperatively interact.
One preferably or in embodiment, the matching gap between described arc-shaped guide rail and described arc guide barrel is zero.
One preferably or in embodiment, described arc sliding guide structure is arranged on top and the bottom of described moving vane and described blade pedestal.
Preferably or in embodiment, described blade pedestal and described moving vane are provided with the limit structure cooperatively interacted one, for limiting described moving vane and described blade pedestal departs from completely.
One preferably or in embodiment, described limit structure comprises the first convex tendon being arranged on described blade pedestal side, and second convex tendon being arranged on described moving vane side of correspondence.
One preferably or in embodiment, elastic component is provided with between described moving vane and described blade pedestal, described elastic component connects described moving vane and described blade pedestal, the reset after stretching out relative to described blade pedestal along arc direction for promoting described moving vane.
For achieving the above object, the utility model additionally provides a kind of through-flow fan blade, and it comprises fan blade supporting frame, and it also comprises the through-flow blade structure in multiple above-mentioned any embodiment, and each described through-flow blade structure is arranged on described fan blade supporting frame.
For achieving the above object, the utility model additionally provides a kind of cross flow fan, and it comprises power plant, also comprises above-mentioned through-flow fan blade, and described power plant drive and connect described through-flow fan blade.
For achieving the above object, the utility model additionally provides a kind of air-conditioner set, and it comprises above-mentioned cross flow fan.
Based on technique scheme, the utility model at least has following beneficial effect:
The through-flow blade structure that the utility model provides comprises blade pedestal and moving vane, being made into by the blade structure of the formula that is fixed as one of the prior art can two-part of free activity adjustment, under different operating mode, by arc sliding guide structure, moving vane can move along arc direction relative to blade pedestal, therefore, automatically the gateway angle of through-flow blade structure can be regulated according to the difference of load in actual conditions, to adapt to the location point of corresponding operating mode, effectively ensure that the efficiency of each through-flow blade structure.
Further, the problem that in through-flow fan blade, each through-flow blade structure efficiency differs can be solved, further increase the efficiency of cross flow fan.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The schematic diagram of the through-flow blade structure that Fig. 1 provides for the utility model;
The cross-sectional schematic of the through-flow blade structure that Fig. 2 provides for the utility model;
Fig. 3 is the enlarged diagram of a-quadrant in Fig. 2;
The structural representation of the through-flow fan blade that Fig. 4 provides for the utility model;
Attached number in the figure:
1-blade pedestal; 2-moving vane; 21-first blade part; 22-second blade part; 3-arc sliding guide structure; 31-arc-shaped guide rail; 32-arc guide barrel; 4-limit structure; 41-first convex tendon; 42-second convex tendon; 5-elastic component;
10-through-flow blade structure; 20-fan blade supporting frame.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in embodiment is clearly and completely described.Obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
As shown in Figure 1, for the illustrative examples of the through-flow blade structure that the utility model provides, in this illustrative examples, through-flow blade structure comprises blade pedestal 1 and moving vane 2, blade pedestal 1 and moving vane 2 are provided with the arc sliding guide structure 3 cooperatively interacted, under different operating mode, by arc sliding guide structure 3, moving vane 2 can move along arc direction relative to blade pedestal 1, therefore, can according to the different loads in actual conditions, change the gateway angle of through-flow blade structure, moving vane 2 is made to be adjusted to the location point adapting to corresponding operating mode, autobalance load diatibution, promote the operational efficiency of through-flow blade structure, simultaneously, the radian of arc sliding guide structure 3 is consistent with the radian of through-flow blade structure, the quality of fit of blade pedestal 1 and moving vane 2 can be improved, further reduction noise.
In above-mentioned illustrative examples, arc sliding guide structure 3 can comprise the arc-shaped guide rail 31 and arc guide barrel 32 that cooperatively interact, moving vane 2, by the arc-shaped guide rail 31 that cooperatively interacts and arc guide barrel 32, can regulate slip along arc direction relative to blade pedestal 1 voluntarily.Because the through-flow blade structure number on through-flow fan blade is many and volume is little, on installing space, restriction is many, therefore, the utility model adopts the fit form of arc-shaped guide rail 31 and arc guide barrel 32, can not installing space outside occupying volume, and be convenient to processing, easily ensure machining accuracy, structure is simple, easy to assembly.
Particularly, mutual grafting between moving vane 2 and blade pedestal 1, plugging position is overlapped, and arc sliding guide structure 3 is arranged on the grafting overlapping part on moving vane 2 and blade pedestal 1.
Alternatively, arc sliding guide structure 3 can be arranged on top and the bottom of moving vane and blade pedestal.Such as: arc-shaped guide rail 31 is arranged on top and the bottom of moving vane 2, corresponding, arc guide barrel 32 is arranged on top and the bottom of blade pedestal 1; Or arc guide barrel 32 is arranged on top and the bottom of moving vane 2, corresponding, arc-shaped guide rail 31 is arranged on top and the bottom of blade pedestal 1.By the cooperation of top curve guide rail 31 and arc guide barrel 32, and the cooperation of bottom arc-shaped guide rail 31 and arc guide barrel 32, can restraint blade 2 relative to blade pedestal 1 along arc direction smooth sliding, avoid double swerve.
Further, the matching gap between arc-shaped guide rail 31 and arc guide barrel 32 is zero, when through-flow fan blade rotates, can avoid occurring space, cause noise, and after the gateway angle of through-flow blade structure regulates automatically simultaneously, noise problem is reduced further.
Simultaneously, in the joint of moving vane 2 with blade pedestal 1, the fitting surface of arc-shaped guide rail 31 and arc guide barrel 32 carries out smooth treatment, when ensureing to coordinate, frictional force is as far as possible little, oil lubrication can be increased at fitting surface place simultaneously, ensure that the slip of moving vane 2 is without hindrance, the working life of moving vane 2 can be improved simultaneously.
As shown in Figure 2 and Figure 3, on the basis of above-mentioned illustrative examples, blade pedestal 1 and moving vane 2 can also be provided with the limit structure 4 cooperatively interacted, be separated with blade pedestal 1 completely for restraint blade 2.
Alternatively, limit structure 4 can comprise the first convex tendon 41 being arranged on blade pedestal 1 side, and second convex tendon 42 being arranged on moving vane 2 side of correspondence.In moving vane 2 outwards to slide the process of stretching out along camber line relative to blade pedestal 1, when the second convex tendon 42 on moving vane 2 and the first convex tendon 41 on blade pedestal 1 contact with each other offset time, moving vane 2 can be prevented to be separated with blade pedestal 1 completely.
After blade pedestal 1 and moving vane 2 stretch, the fitting surface gap of the first convex tendon 41 on blade pedestal 1 and the second convex tendon 42 on moving vane 2 is 0, in through-flow fan blade rotary course, the noise caused by space can be avoided, automatically adjust inlet angle in conjunction with through-flow blade structure simultaneously, noise can be reduced further.
Reset 7 after stretching out along arc direction relative to blade pedestal 1 to promote moving vane 2, can arrange elastic component 5 between moving vane 2 and blade pedestal 1, and elastic component 5 connects moving vane 2 and blade pedestal 1.In order to ensure keeping in the center smoothly of moving vane 2 further, can arrange several elastic component 5 between blade pedestal 1 and moving vane 2, the magnitude setting of elastic component 5 can be determined as the case may be.
By arc sliding guide structure 3 grafting mutually between moving vane 2 and blade pedestal 1, plugging position is overlapped, elastic component 5 can be arranged on mutual grafting and arrange between the moving vane 2 at position and blade pedestal 1, and further, elastic component 5 can adopt helical spring.
One preferably or in embodiment, can the part area of moving vane 2 be plugged in blade pedestal 1, the area size that moving vane 2 is plugged in blade pedestal 1 can be regulated by arc sliding guide structure 3, or can be plugged in moving vane 2 by the part area of blade pedestal 1, the area size that blade pedestal 1 is plugged in moving vane 2 can be regulated by arc sliding guide structure 3.
The part area of moving vane 2 is plugged in the specific embodiment in blade pedestal 1, the structure of moving vane 2 can be arranged like this: moving vane 2 can comprise the first blade part 21 and the second blade part 22, the thickness of the first blade part 21 is less than the thickness of the second blade part 22, therefore, step is formed between first blade part 21 and the second blade part 22, blade pedestal 1 is provided with the grooved space for holding the first blade part 21, the thickness of the first blade part 21 is less than the thickness of blade pedestal 1, can be plugged in the grooved space of setting on blade pedestal 1, the thickness of step is suitable with the thickness of blade pedestal 1, therefore, the second blade part 22 can be limited plug in blade pedestal 1.
In the process run, centrifugal force is utilized to realize the flexible of moving vane 2: to slide in the arc guide barrel 32 that moving vane 2 can utilize arc-shaped guide rail 31 in blade pedestal 1, utilize the first convex tendon 41 on blade pedestal 1 and the second convex tendon 42 on moving vane 2 to position simultaneously, ensure that moving vane 2 can not exceed the range of regulation in the process of sliding.
As shown in Figure 4, for the illustrative examples of the through-flow fan blade that the utility model provides, in this illustrative examples, through-flow fan blade comprises fan blade supporting frame 20, it also comprises multiple as the through-flow blade structure 10 described in each embodiment above-mentioned, and each through-flow blade structure 10 is arranged on fan blade supporting frame 20.
Through-flow fan blade adopts self-adjustable through-flow blade structure 10, each through-flow blade structure 10 can at diverse location according to the different change automatically of load, the gateway angle of through-flow blade structure 10 is rising the location point being adjusted to adapt to corresponding operating mode under drag force effect, like this compared to original fixed blade structure, improvement is according to residing operating mode autobalance load diatibution, improve the average efficiency of each through-flow blade structure 10, thus improve the efficiency of overall cross flow fan, simultaneously because transformation efficiency promotes, cross flow fan dissipates in friction, the aspect energy such as leakage are decayed to some extent, noise performance is also improved preferably.
Because the lobe numbers on through-flow fan blade is many and volume is little, on installing space, restriction is many, therefore adopts arc-shaped guide rail 31 and arc guide barrel 32 in conjunction with the mode of elastic component 5.Adopt arc-shaped guide rail 31, arc guide barrel 32 in conjunction with the mode of elastic component 5, mainly contain following advantage: 1) through-flow blade structure 10 is little, arc-shaped guide rail 31 and arc guide barrel 32 are easily processed, and assembling is simple; 2) arc-shaped guide rail 31 and arc guide barrel 32 easily ensure machining accuracy, can ensure the needs that through-flow blade structure 10 moves.
Further, blade pedestal 1 is fixedly installed on fan blade supporting frame 20, can disassemble from fan blade supporting frame 20 during maintenance, after moving vane 2 damages, can change according to actual conditions, without the need to changing whole through-flow blade structure 10, improving maintenance efficiency, can reduce costs to a certain extent.
The utility model additionally provides a kind of cross flow fan, and it comprises power plant, also comprises above-mentioned through-flow fan blade, and power plant drive and connect through-flow fan blade.
The utility model utilizes self-adjustable through-flow blade structure 10, and can solve in common blower fan cannot the shortcoming of efficiency utilization major part through-flow blade structure 10, improves the properties of cross flow fan with this.
The utility model additionally provides a kind of air-conditioner set, and it comprises above-mentioned cross flow fan.
In sum, fixed for bicker of coming in and going out in through-flow fan blade blade structure is set to self-adjustable through-flow blade structure 10 by the utility model, solves the problem that each through-flow blade structure 10 efficiency differs, and improves noise problem to a certain extent simultaneously; And adopt self-adjustable through-flow blade structure 10, when damaging appears in through-flow blade structure 10, changing moving vane 2, without the need to changing whole through-flow blade structure 10, reducing cost to a certain extent.
In description of the present utility model; it will be appreciated that; the word such as " first ", " second " is used to limit component; be only used to be convenient to distinguish above-mentioned parts; as there is no Stated otherwise; above-mentioned word does not have particular meaning, therefore can not be interpreted as the restriction to the utility model protection domain.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technological scheme scope of the utility model request protection.
Claims (11)
1. a through-flow blade structure, it is characterized in that: comprise blade pedestal (1) and moving vane (2), described blade pedestal (1) and described moving vane (2) are provided with the arc sliding guide structure (3) cooperatively interacted, under different operating mode, by described arc sliding guide structure (3), described moving vane (2) can move, to adjust inlet angle along arc direction relative to described blade pedestal (1).
2. through-flow blade structure as claimed in claim 1, it is characterized in that: described blade pedestal (1) and described moving vane (2) grafting mutually, plugging position is overlapped, and described arc sliding guide structure (3) is arranged on the position of described blade pedestal (1) and the mutual grafting overlap of described moving vane (2).
3. through-flow blade structure as claimed in claim 1, is characterized in that: described arc sliding guide structure (3) comprises the arc-shaped guide rail (31) and arc guide barrel (32) that cooperatively interact.
4. through-flow blade structure as claimed in claim 3, is characterized in that: the matching gap between described arc-shaped guide rail (31) and described arc guide barrel (32) is zero.
5. through-flow blade structure as claimed in claim 1, is characterized in that: described arc sliding guide structure (3) is arranged on top and the bottom of described moving vane (2) and described blade pedestal (1).
6. the through-flow blade structure as described in any one of claim 1-5, it is characterized in that: described blade pedestal (1) and described moving vane (2) are provided with the limit structure (4) cooperatively interacted, departing from completely with described blade pedestal (1) for limiting described moving vane (2).
7. through-flow blade structure as claimed in claim 6, it is characterized in that: described limit structure (4) comprises the first convex tendon (41) being arranged on described blade pedestal (1) side, and second convex tendon (42) being arranged on described moving vane (2) side of correspondence.
8. the through-flow blade structure as described in any one of claim 1-5, it is characterized in that: between described moving vane (2) and described blade pedestal (1), be provided with elastic component (5), described elastic component (5) connects described moving vane (2) and described blade pedestal (1), the reset after stretching out relative to described blade pedestal (1) along arc direction for promoting described moving vane (2).
9. a through-flow fan blade, comprise fan blade supporting frame (20), it is characterized in that: also comprise multiple through-flow blade structure (10) as described in any one of claim 1-8, each described through-flow blade structure (10) is arranged on described fan blade supporting frame (20).
10. a cross flow fan, comprises power plant, it is characterized in that: also comprise through-flow fan blade as claimed in claim 9, and described power plant drive and connect described through-flow fan blade.
11. 1 kinds of air-conditioner set, is characterized in that: comprise cross flow fan as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490742.7U CN204878049U (en) | 2015-07-07 | 2015-07-07 | Through -flow leaf structure , through -flow fan blade, through -flow fan and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520490742.7U CN204878049U (en) | 2015-07-07 | 2015-07-07 | Through -flow leaf structure , through -flow fan blade, through -flow fan and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204878049U true CN204878049U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520490742.7U Withdrawn - After Issue CN204878049U (en) | 2015-07-07 | 2015-07-07 | Through -flow leaf structure , through -flow fan blade, through -flow fan and air conditioning unit |
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| Country | Link |
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| CN (1) | CN204878049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948497A (en) * | 2015-07-07 | 2015-09-30 | 珠海格力电器股份有限公司 | Through-flow blade structure, through-flow fan blade, through-flow fan and air conditioning unit |
-
2015
- 2015-07-07 CN CN201520490742.7U patent/CN204878049U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948497A (en) * | 2015-07-07 | 2015-09-30 | 珠海格力电器股份有限公司 | Through-flow blade structure, through-flow fan blade, through-flow fan and air conditioning unit |
| CN104948497B (en) * | 2015-07-07 | 2017-05-10 | 珠海格力电器股份有限公司 | Through-flow blade structure, through-flow fan blade, through-flow fan and air conditioning unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20170510 |