CN210397232U - Cross-flow fan blade and air conditioner - Google Patents
Cross-flow fan blade and air conditioner Download PDFInfo
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- CN210397232U CN210397232U CN201920992939.9U CN201920992939U CN210397232U CN 210397232 U CN210397232 U CN 210397232U CN 201920992939 U CN201920992939 U CN 201920992939U CN 210397232 U CN210397232 U CN 210397232U
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Abstract
The utility model provides a through-flow fan blade and air conditioner, this through-flow fan blade include a plurality of fan blade elementary cells, and are adjacent fan blade elementary cell dismantlement formula is connected. The utility model discloses in, a plurality of fan blade elementary units are the structure that the dismantlement formula is connected, can satisfy the demand of different wind channel lengths, cooperate different blade forms simultaneously, can satisfy multiple air-out demand.
Description
Technical Field
The utility model relates to an air conditioner technical field, in particular to wind channel structure and air conditioner.
Background
In the existing air conditioner, a cross-flow fan blade is an important part for guiding air of the air conditioner, and when the cross-flow fan blade rotates, airflow flows in from an air inlet of an air duct, is subjected to heat exchange by an evaporator and then is blown out from an air outlet of the air duct, so that air outlet of the air conditioner is realized. However, the conventional cross-flow fan blade is an undetachable whole, so that air ducts with different lengths need to be matched with the cross-flow fan blades with different lengths, and the single form of the blade cannot meet various air outlet requirements, which brings inconvenience in the use process.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be that current through-flow fan blade is a detachable whole not, leads to the wind channel of different length to need to match the through-flow fan blade of different length, and the single multiple air-out demand that can not be satisfied of blade form.
In order to solve the problem, the utility model provides a through-flow fan blade, including a plurality of fan blade elementary cells, it is adjacent fan blade elementary cell dismantles the formula and connects.
From this, a plurality of fan blade elementary cells are the structure that the dismantlement formula is connected, can satisfy the demand of different wind channel lengths, and the blade form of cooperation difference simultaneously can satisfy multiple air-out demand.
Optionally, the adjacent fan blade basic units are detachably connected through a connecting structure, the connecting structure comprises a first connecting portion and a second connecting portion, and the first connecting portion and the second connecting portion are integrally formed or detachably connected.
Therefore, the adjacent fan blade basic units are detachably connected through the connecting structure, and the requirements of different air channel lengths can be met.
Optionally, in the axial direction of the cross-flow fan blade, the fan blade basic unit includes a first end and a second end, the first end is provided with one of the first connecting portion and the second connecting portion, and the second end is provided with the other of the first connecting portion and the second connecting portion.
Therefore, the fan blade basic units are assembled and disassembled with other fan blade basic units through the first connecting parts and the second connecting parts respectively.
Optionally, the first connecting portion includes a first annular disc, and a first fastening member is disposed on an inner wall of an opening of the first annular disc; the second connecting part comprises a second annular disk, an annular bulge is arranged on the edge of an opening of the second annular disk in a protruding mode, and a second fastener matched with the first fastener is arranged on the outer wall of the annular bulge.
Therefore, the first annular disc and the second annular disc can be connected through the matching of the first fastening piece and the second fastening piece, the connection is firmer, and the looseness is not easy to occur.
Optionally, the first connecting portion and the second connecting portion are respectively integrally formed with or detachably connected to the blades of the fan blade basic unit.
Therefore, the integrated structure is convenient for assembling the fan blade basic unit; the detachable connection is convenient for disassembling and assembling the basic unit of the fan blade for cleaning.
Optionally, a blade slot is formed in one end, opposite to the first connecting portion and the second connecting portion, of the cross-flow fan blade in the axial direction, and two ends of the blade are respectively inserted into the blade slots of the first connecting portion and the second connecting portion.
Therefore, the fan blade basic unit can be disassembled into a single structure, and cleaning is facilitated.
Optionally, one end of the blade is integrally formed with one of the first connecting portion and the second connecting portion in the axial direction of the cross-flow fan blade, the other of the first connecting portion and the second connecting portion is provided with a blade slot, and the free end of the blade is inserted into the blade slot.
Therefore, the structure is convenient for cleaning the blade and assembling the basic unit of the fan blade.
Optionally, the blade inclination angle of at least one of the fan blade basic units is different from the blade inclination angles of the other fan blade basic units.
Therefore, when the inclination angles of the blades are different, the air outlet effects of the basic units of the fan blades are different, and different types of air outlets of air channels are met.
Optionally, the blade pitch angle is in the range of 0 ° to 8.5 °.
Therefore, in the range, the air pressure difference before and after the air flow passes through the blade twice can be effectively reduced, and the air flow is gently fluctuated.
Optionally, the length of at least one of the fan blade basic units is different from the lengths of the other fan blade basic units.
Therefore, the fan blade basic units are unequal in length, and various air outlet requirements can be met in an auxiliary mode.
Optionally, the length range of the fan blade basic unit is 65mm-80 mm.
Therefore, under the range, various air ducts are convenient to match.
Another object of the utility model is to provide an air conditioner to it is whole that current through-flow fan blade is a non-detachable to solve, leads to the wind channel of different length to need to match the through-flow fan blade of different length, and the single problem that can not satisfy multiple air-out demand of blade form.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an air conditioner comprises the structure of the cross-flow fan blade.
Compared with the prior art, the air conditioner has the same advantages as the cross-flow fan blade, and the description is omitted.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another embodiment of the present invention;
FIG. 4 is a schematic structural diagram of one embodiment of a fan blade basic unit;
FIG. 5 is an assembly diagram of one embodiment of a fan blade basic unit;
fig. 6 is a schematic sectional view of a basic unit of a fan blade.
Description of reference numerals:
1-a fan blade basic unit, 2-a connecting structure, 3-a first end cover and 4-a second end cover;
11-blade, 21-first connection, 22-second connection;
211-first annular disk, 221-second annular disk, 222-annular projection.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. In addition, the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, referred to in the embodiments of the present invention, are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-3, a cross-flow fan blade comprises a plurality of fan blade basic units 1, wherein adjacent fan blade basic units 1 are detachably connected; and the blade inclination angles A of the plurality of the blade basic units 1 are the same or different.
From this, a plurality of fan blade elementary cell 1 are the structure of dismantlement formula connection, can satisfy the demand of different wind channel length, and blade angle of inclination A is the same or different simultaneously, can satisfy multiple air-out demand.
Wherein, blade 11 includes first end and second end, and blade angle of inclination A means: the projection of the first end of the blade 11 on the installation surface of the fan blade basic unit 1 and the projection of the second end of the blade 11 on the same installation surface of the fan blade basic unit 1 correspond to the central angle on the installation surface of the fan blade basic unit 1.
Specifically, the blade pitch angle A ranges from 0 to 8.5. Therefore, in the range, the air pressure difference before and after the air flow passes through the blade 11 twice can be effectively reduced, and the air flow is gently fluctuated.
Under the condition that the blade inclination angles A of the fan blade basic units 1 are the same, in one embodiment, the blade inclination angles A of all the fan blade basic units 1 are 0 degrees, so that the length directions of the blades 11 of the fan blade basic units 1 are parallel to the axial direction of the cross-flow fan blade, and therefore, the air outlet effects of the fan blade basic units 1 are the same.
Under the condition that the blade inclination angle A of at least one fan blade basic unit 1 is different from the blade inclination angles A of other fan blade basic units 1, in one embodiment, the end part of the cross-flow fan blade connected with the motor is a first end, the blade inclination angle A of the fan blade basic unit 1 at the first end is 0 degrees, the blade inclination angles A of the other fan blade basic units 1 are 5 degrees, and therefore the air outlet of the fan blade basic unit 1 at the first end is different from the air outlet of the other fan blade basic units 1.
Specifically, the blade central angles B of the plurality of blade basic units 1 are the same or different. From this, blade central angle B is different, not only can assist and satisfy multiple air-out demand, but also can reduce the rotational noise.
The blade central angle B refers to the distribution angle of the adjacent blades 11 on the circumference of the same mounting surface of the fan blade basic unit 1.
Specifically, the blade central angle B ranges from 6.5 to 11.5. Therefore, under the range, the same-frequency impact of the adjacent fan blade basic units 1 on the volute tongue can be effectively disturbed, and the fan blade rotation noise is reduced.
When the central angles B of the blades of the adjacent basic units 1 of the blades are different, the air inlet volumes are also different, and the air outlet effect of the basic units 1 of the blades is changed in an auxiliary manner.
Specifically, in the axial direction of the cross-flow fan blade, the lengths of the fan blade basic units 1 are equal or unequal. Therefore, the fan blade basic units 1 are unequal in length, and can assist in meeting various air outlet requirements.
Specifically, the length range of the fan blade basic unit 1 is 65mm-80 mm. Therefore, under the range, various air ducts are convenient to match.
Because the lengths of the air channels are different, when the lengths of the fan blade basic units 1 are the same, the condition that the lengths of the air channels cannot be matched sometimes exists, and when the lengths of the fan blade basic units 1 are designed into various sizes, the fan blade basic units can be freely combined, the condition that the air channels are matched is increased, so that the length of at least one fan blade basic unit 1 is different from the lengths of other fan blade basic units 1.
Specifically, adjacent fan blade basic units 1 are detachably connected through a connecting structure 2, the connecting structure 2 comprises a first connecting portion 21 and a second connecting portion 22, and the first connecting portion 21 and the second connecting portion 22 are integrally formed or detachably connected. Therefore, the adjacent fan blade basic units 1 are detachably connected through the connecting structures 2, and the requirements of different air channel lengths can be met.
When the first connecting part 21 and the second connecting part 22 are integrally formed, the connecting structure 2 is a single component which can be detachably connected with the adjacent fan blade basic units 1 respectively, or can be integrally formed with one of the adjacent fan blade basic units 1 and detachably connected with the other one of the adjacent fan blade basic units 1,
specifically, when the first connecting portion 21 and the second connecting portion 22 are integrally formed, the connecting structure 2 is an annular structure, one end of the connecting structure is integrally formed with one fan blade basic unit 1 in the axial direction of the cross-flow fan blade, the other end of the connecting structure is provided with a blade slot, and the blade of the other fan blade basic unit 1 is detachably inserted into the blade slot, so that the connecting structure and the cross-flow fan blade are connected in a manner that the blade is inserted into the blade slot.
When the first connecting portion 21 and the second connecting portion 22 are detachably connected, in the axial direction of the cross-flow fan blade, the fan blade basic unit 1 includes a first end and a second end, the first end is provided with one of the first connecting portion 21 and the second connecting portion 22, and the second end is provided with the other of the first connecting portion 21 and the second connecting portion 22. Therefore, the fan blade basic unit 1 is assembled and disassembled with other fan blade basic units 1 through the first connecting part 21 and the second connecting part 22 respectively.
The blades 11 of the fan blade basic unit 1 are arranged between the first connecting portion 21 and the second connecting portion 22, so that the first connecting portion 21 and the second connecting portion 22 also play a role in supporting and fixing the blades 11, and thus the first connecting portion 21, the second connecting portion 22 and the blades 11 form the fan blade basic unit 1.
The first connecting portion 21 and the second connecting portion 22 are detachably connected by a hard connection, which means that the two have a friction force acting in an axial direction.
In one embodiment, the first connecting portion 21 includes a first annular disc 211, and a first fastening member is disposed on an inner wall of an opening of the first annular disc 211; the second connecting portion 22 includes a second annular disk 221, an annular protrusion 222 is protruded from an opening edge of the second annular disk 221, a second fastening member engaged with the first fastening member is provided on an outer wall of the annular protrusion 222, and the first fastening member is engaged with the second fastening member to fixedly connect the first connecting portion 21 and the second connecting portion 22.
Meanwhile, the first fastening member may be an internal thread, the second fastening member may be an external thread, and the first connection portion 21 and the second connection portion 22 are connected by screwing the external thread into the internal thread, and the first connection portion 21 and the second connection portion 22 are more firmly connected by adopting a threaded connection manner.
In another embodiment, the first connecting portion 21 includes a first annular disc 211, and the first annular disc 211 is provided with a clamping groove along the axial direction of the cross-flow fan blade; second connecting portion 22 includes second annular disc 221, second annular disc 221 is equipped with the fixture block along the axial of through-flow fan blade, insert the fixture block behind the draw-in groove again, can realize the fixed connection of first connecting portion 21 and second connecting portion 22, for the convenience of stability between the two, the card is Cao and the fixture block is equipped with a plurality ofly respectively, and the symmetry sets up at first connecting portion 21 and second connecting portion 22, therefore, at the pivoted in-process of through-flow fan blade, the atress of junction is more even, the cracked condition can not appear.
Specifically, the first connecting portion 21 and the second connecting portion 22 are respectively integrally formed with or detachably connected to the blade 11 of the blade basic unit 1. Therefore, the integrated structure is convenient for assembling the fan blade basic unit 1; the detachable connection is convenient for disassembling and assembling the fan blade basic unit 1 for cleaning.
Wherein, it includes following several condition:
1. the first connecting part 21 and the second connecting part 22 are respectively detachably connected with the fan blade basic unit 1; specifically, along the axial direction of the cross-flow fan blade, one end of the first connecting portion 21 opposite to one end of the second connecting portion 22 is provided with a blade slot, and two ends of the blade 11 are respectively inserted into the blade slots of the first connecting portion 21 and the second connecting portion 22, so that the fan blade basic unit 1 can be disassembled into a single structure, and is convenient to clean.
2. The first connecting part 21 is detachably connected with the fan blade basic unit 1, and the second connecting part 22 is integrally formed with the fan blade basic unit 1; specifically, along the axial direction of the cross-flow fan blade, the first connecting portion 21 is provided with a blade slot, and the free end of the blade 11 is inserted into the blade slot of the first connecting portion 21, so that the blade 11 can be cleaned, and the assembly is also facilitated.
3. The first connecting part 21 and the fan blade basic unit 1 are integrally formed, and the second connecting part 22 and the fan blade basic unit 1 are detachably connected; specifically, along the axial direction of the cross-flow fan blade, the second connecting portion 22 is provided with a blade slot, and the free end of the blade 11 is inserted into the blade slot of the second connecting portion 22, so that the blade 11 can be cleaned, and the assembly of the fan blade basic unit can be facilitated.
4. First connecting portion 21 and second connecting portion 22 respectively with fan blade elementary cell 1 integrated into one piece, specifically, the both ends of blade 11 respectively with first connecting portion 21 and second connecting portion 22 fixed connection, from this, when dismouting through-flow fan blade, efficiency is higher.
Another object of the present invention is to provide an air conditioner, which comprises the above-mentioned cross-flow fan blade.
After the air conditioner adopts the structure of the cross-flow fan blade, the problems that the conventional cross-flow fan blade is a non-detachable whole, air ducts with different lengths need to be matched with the cross-flow fan blades with different lengths, and the blades 11 are single in form and cannot meet various air outlet requirements can be solved.
The cross-flow fan blade further comprises a first end cover 3 and a second end cover 4, the first end cover 3 and the second end cover 4 are respectively located at two ends of the cross-flow fan blade, the first end cover 3 is provided with a pin shaft in rotary connection with an air duct, the second end cover 4 is provided with a shaft hole connected with a motor shaft, and the round pin shaft and the round shaft hole are located on a central axis of the cross-flow fan blade, so that the cross-flow fan blade is installed in the air duct.
The cross-flow fan blade comprises a first end and a second end, and the connection mode of the first end cover 3 and the fan blade basic unit 1 comprises the following two conditions: 1. the first end cover 3 and the fan blade basic unit 1 at the first end or the second end are integrally formed, and specifically, the first end cover 3 is arranged on the first connecting part 21 or the second connecting part 22; 2. the first end cover 3 is detachably linked with the fan blade basic unit 1 at the first end or the second end, and specifically, the first end cover 3 is provided with a bulge which is provided with an external thread; the first connecting portion 21 includes a first annular disc 211, an inner thread is provided on an inner wall of an opening of the first annular disc 211, and the first end cap 3 is detachably connected to the first connecting portion 21 through the inner thread and the outer thread.
The cross-flow fan blade comprises a first end and a second end, and the connection mode of the second end cover 4 and the fan blade basic unit 1 comprises the following two conditions: 1. the second end cover 4 and the fan blade basic unit 1 at the first end or the second end are integrally formed, and specifically, the second end cover 4 is arranged on the first connecting part 21 or the second connecting part 22; 2. the second end cover 4 is detachably connected with the fan blade basic unit 1 at the first end or the second end, and specifically, the second end cover 4 is provided with a groove which is provided with an internal thread; the second connecting portion 22 includes a second annular disk 221, an annular protrusion 222 is protruded from an opening edge of the second annular disk 221, an outer wall of the annular protrusion 222 is provided with an external thread engaged with the internal thread, and the second end cap 4 is detachably connected to the second connecting portion 22 through the internal thread and the external thread.
It should be noted that, after the cross-flow fan blade is installed, two ends of the cross-flow fan blade are respectively connected with the base and the motor shaft, so that, in the axial direction, the fan blade basic units 1 at the leftmost end and the rightmost end of the cross-flow fan blade are respectively provided with a structure which is matched and connected with the indoor machine base and the motor shaft.
The most left fan blade basic unit 1 is matched and connected with the base, the most right fan blade basic unit 1 is matched and connected with the motor shaft for illustration,
one end of the left-most fan blade basic unit 1 is provided with a connecting structure 2 which is used for being detachably connected with the adjacent fan blade basic unit 1; the other end of the left-most fan blade basic unit 1 is provided with a first mounting plate, and the first mounting plate is provided with a connecting shaft along the axial direction of the cross-flow fan blade and used for connecting a base; meanwhile, the first mounting plate can be detachably connected with the leftmost fan blade basic unit 1, and can also be integrally formed with the leftmost fan blade basic unit 1.
One end of the rightmost fan blade basic unit 1 is also provided with a connecting structure 2 for being detachably connected with the adjacent fan blade basic unit 1, the other end of the rightmost fan blade basic unit 1 is provided with a second mounting plate, and the second mounting plate is in flexible connection with a motor shaft through rubber. Meanwhile, the second mounting plate can be detachably connected with the rightmost fan blade basic unit 1, and can also be integrally formed with the rightmost fan blade basic unit 1.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (11)
1. The cross-flow fan blade is characterized by comprising a plurality of fan blade basic units (1), wherein the adjacent fan blade basic units (1) are detachably connected; the blade inclination angle of at least one fan blade basic unit (1) is different from the blade inclination angles of other fan blade basic units (1).
2. The cross-flow fan blade of claim 1, wherein adjacent fan blade basic units (1) are detachably connected through a connecting structure (2), the connecting structure (2) comprises a first connecting part (21) and a second connecting part (22), and the first connecting part (21) and the second connecting part (22) are integrally formed or detachably connected.
3. The cross-flow fan blade according to claim 2, characterized in that the fan blade base unit (1) comprises a first end and a second end in the axial direction of the cross-flow fan blade, the first end is provided with one of the first connection portion (21) and the second connection portion (22), and the second end is provided with the other of the first connection portion (21) and the second connection portion (22).
4. The cross-flow fan blade of claim 3, wherein the first connecting part (21) comprises a first annular disc (211), and a first fastening piece is arranged on the inner wall of the opening of the first annular disc (211); the second connecting part (22) comprises a second annular disc (221), an annular bulge (222) is convexly arranged on the edge of an opening of the second annular disc (221), and a second fastener matched with the first fastener is arranged on the outer wall of the annular bulge.
5. The cross-flow fan blade according to claim 2, wherein the first connecting part (21) and the second connecting part (22) are respectively integrally formed with or detachably connected with the blade (11) of the fan blade basic unit (1).
6. The cross-flow fan blade of claim 3, wherein a blade slot is arranged at one end of the first connecting part (21) opposite to one end of the second connecting part (22) in the axial direction of the cross-flow fan blade, and two ends of the blade (11) are respectively inserted into the blade slots of the first connecting part (21) and the second connecting part (22).
7. The cross-flow fan blade according to claim 3, wherein one end of the blade (11) is integrally formed with one of the first connecting portion (21) and the second connecting portion (22) along the axial direction of the cross-flow fan blade, the other one of the first connecting portion (21) and the second connecting portion (22) is provided with a blade slot, and the free end of the blade (11) is inserted into the blade slot.
8. The cross-flow fan blade according to claim 1, characterized in that the blade pitch angle of the fan blade basic unit (1) is in the range of 0-8.5 °.
9. The cross-flow fan blade according to claim 1, characterized in that the length of at least one fan blade basic unit (1) is different from the length of the other fan blade basic units (1).
10. The cross-flow fan blade according to claim 1, characterized in that the length of the fan blade basic unit (1) ranges from 65mm to 80 mm.
11. An air conditioner, characterized in that, comprises the cross-flow fan blade of any one of the above claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992939.9U CN210397232U (en) | 2019-06-28 | 2019-06-28 | Cross-flow fan blade and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920992939.9U CN210397232U (en) | 2019-06-28 | 2019-06-28 | Cross-flow fan blade and air conditioner |
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| Publication Number | Publication Date |
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| CN210397232U true CN210397232U (en) | 2020-04-24 |
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| CN201920992939.9U Active CN210397232U (en) | 2019-06-28 | 2019-06-28 | Cross-flow fan blade and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206757A (en) * | 2019-06-28 | 2019-09-06 | 宁波奥克斯电气股份有限公司 | A kind of through-flow fan blade and air conditioner |
| CN111878456A (en) * | 2020-06-08 | 2020-11-03 | 嘉兴市品鼎电器有限公司 | Cross-flow fan blade for integrated ceiling fresh air system |
-
2019
- 2019-06-28 CN CN201920992939.9U patent/CN210397232U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206757A (en) * | 2019-06-28 | 2019-09-06 | 宁波奥克斯电气股份有限公司 | A kind of through-flow fan blade and air conditioner |
| CN111878456A (en) * | 2020-06-08 | 2020-11-03 | 嘉兴市品鼎电器有限公司 | Cross-flow fan blade for integrated ceiling fresh air system |
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