CN210461161U - Cross-flow fan blade and air conditioner - Google Patents
Cross-flow fan blade and air conditioner Download PDFInfo
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- CN210461161U CN210461161U CN201921390624.3U CN201921390624U CN210461161U CN 210461161 U CN210461161 U CN 210461161U CN 201921390624 U CN201921390624 U CN 201921390624U CN 210461161 U CN210461161 U CN 210461161U
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Abstract
The utility model provides a through-flow fan blade and air conditioner relates to air conditioner technical field, and this through-flow fan blade includes through-flow blade, first rim plate and second rim plate, and first rim plate and second rim plate set up relatively, and the through-flow blade setting still is provided with the partition ring board between first rim plate and the second rim plate, sets up the spacing fixed orifices that supplies the through-flow fan blade to pass on the partition ring board, and partition ring inboard still is provided with the strengthening rib support. Through setting up the strengthening rib support for the partition ring board radially obtains supporting, has promoted the resistance to deformation ability of partition ring board greatly, and then has promoted the holistic anti-falling ability of through-flow fan blade, and simultaneously when the high-speed operation of through-flow fan blade, the through-flow fan blade can be radially fixed, avoids producing the abnormal sound because the partition ring board warp and causes the fan blade shake. Through having set up the strengthening rib support for inside air current is difficult for taking place axial flow, avoids causing export wind speed uneven and produces the abnormal sound.
Description
Technical Field
The utility model relates to an air conditioner technical field particularly, relates to a through-flow fan blade and air conditioner.
Background
The cross-flow fan blade is widely used for indoor hanging machines and cabinet machines of air conditioners. The cross-flow fan blade is generally formed by integrally injection molding a wheel disc and a plurality of sections of blades, and the blades are connected by a partition plate, so that the cross-flow fan blade is longer in length and weak in falling resistance. The blades are longer, and the blades in the middle area are only axially fixed, so that when the cross-flow blades rotate at high speed, the blades are not radially fixed, and part of the blades are easy to shake. And the interior of the fan blade is axially hollow, and airflow in the fan blade easily flows axially, so that the outlet wind speed is not uniform. Both of them are liable to cause noise increase or abnormal sound.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be that the anti falling ability of through-flow fan blade is not strong, rotates the in-process and causes shake and airflow axial flow easily, and then causes abnormal sound and export wind speed inhomogeneous.
In order to solve the problems, the utility model adopts the following technical proposal to solve.
In one aspect, the utility model provides a through-flow fan blade, including through-flow blade, first rim plate and second rim plate set up relatively, and the through-flow blade setting still is provided with between first rim plate and the second rim plate and separates the crown plate between first rim plate and the second rim plate, sets up the spacing fixed orifices that supplies the through-flow fan blade to pass on separating the crown plate, separates the crown plate inboard and still is provided with the strengthening rib support, and the strengthening rib support is used for separating the crown plate along the radial support of separating the crown plate.
The utility model provides a pair of through-flow fan blade, be provided with the partition crown plate between first rim plate and second rim plate, set up the spacing fixed orifices that supplies the through-flow fan blade to pass on the partition crown plate, still be provided with the strengthening rib support in the inboard of separating the crown plate simultaneously, through setting up the strengthening rib support, make the partition crown plate radially obtain supporting, the resistance to deformation ability of separating the crown plate has been promoted greatly, and then the holistic anti-falling ability of through-flow fan blade has been promoted, simultaneously when the high-speed operation of through-flow fan blade, the through-flow blade radially can be fixed, avoid causing the fan blade shake because of separating the crown plate deformation, avoid producing the abnormal sound because of the shake. In addition, the fan blade is internally provided with the reinforcing rib support, so that the internal airflow is not easy to axially flow, and the uneven wind speed at the outlet and abnormal sound are avoided. Compared with the prior art, the utility model provides a pair of through-flow fan blade, anti falling ability reinforce, and rotate the difficult shake of in-process blade to the difficult axial flow that takes place of inside air current has alleviateed abnormal sound and air outlet wind speed evenly.
Furthermore, the reinforcing rib support comprises a plurality of reinforcing ribs and a central connecting piece, the reinforcing ribs are arranged around the central connecting piece, and two ends of each reinforcing rib are respectively connected with the central connecting piece and the separating ring plate.
The utility model provides a pair of through-flow fan blade is through setting up a plurality of strengthening rib strips and central connecting piece for the structure of strengthening rib support is more firm, and through setting up central connecting piece, can block and disorderly the axial air current, avoids causing the uneven condition of air outlet wind speed because the axial air current.
Further, the width of each reinforcing rib is gradually reduced from one end near the central connecting piece to one end near the separating ring plate.
The utility model provides a pair of through-flow fan blade sets for the width of strengthening rib strip for the width of center of connection connecting piece is less than the width of connecting the partition crown plate, thereby makes and can connect more strengthening rib strips under the certain circumstances of center connecting piece diameter, guarantees to support intensity, conveniently makes.
Further, the width of each reinforcing rib is smaller than the inner diameter of the partition ring plate.
The utility model provides a pair of through-flow fan blade, the width of strengthening rib strip is less than the internal diameter of separating the crown plate for can follow the difference with the strengthening rib strip and radially support separating the crown plate, convenient the manufacturing simultaneously.
Further, the central connecting piece is cylindrical, and the radius of the central connecting piece is smaller than the inner diameter of the separating ring plate.
The utility model provides a pair of through-flow fan blade sets central connecting piece to cylindric, makes things convenient for a plurality of strengthening rib strip rings to establish around central connecting piece to make junction atress homogeneous, avoid appearing stress concentration phenomenon.
Further, the thickness of the reinforcing ribs in the axial direction is smaller than or equal to the thickness of the partition ring plate in the axial direction. And the thickness of the central connecting piece along the axial direction is equal to that of the reinforcing ribs along the axial direction, so that the surfaces of two sides of the central connecting piece along the axial direction are flush with the reinforcing ribs.
The utility model provides a pair of through-flow fan blade sets for the thickness of strengthening rib strip and central connecting piece for unanimous for the strengthening rib strip can keep the parallel and level and transition gently with the junction of central connecting piece, has reduced the manufacturing degree of difficulty, has also avoided the junction to produce stress concentration phenomenon simultaneously.
Furthermore, the reinforcing ribs are uniformly distributed around the central connecting piece, and the included angles between every two adjacent reinforcing ribs are equal.
The utility model provides a pair of through-flow fan blade is with a plurality of strengthening rib strip evenly distributed around central connecting piece for the rotation in-process strengthening rib strip can not take place eccentric phenomenon with central connecting piece, has guaranteed the pivoted stationarity.
Furthermore, the separating ring plates are multiple, the separating ring plates are arranged between the first wheel disc and the second wheel disc, and the inner side of at least one separating ring plate is provided with a reinforcing rib support.
The utility model provides a pair of through-flow fan blade, at least one partition ring inboard sets up the strengthening rib support, can the moderate degree reduce the quantity of strengthening rib support when guaranteeing to support intensity to reduce the holistic weight of through-flow fan blade, realize the lightweight and make, be favorable to the high-efficient rotation of through-flow fan blade.
Furthermore, reinforcing rib supports are arranged on the inner sides of the plurality of separating ring plates and are symmetrically distributed along the axial middle section of the through-flow blade.
The utility model provides a pair of through-flow fan blade, a plurality of strengthening rib supports cross-section symmetric distribution in the axial of through-flow fan blade for through-flow fan blade both ends weight is flat mutually, produces the uneven phenomenon of gravity when avoiding installing, influences the fan blade and rotates.
On the other hand, the utility model provides an air conditioner, including the through-flow fan blade, the through-flow fan blade includes the through-flow blade, first rim plate and second rim plate set up relatively, the through-flow blade sets up between first rim plate and second rim plate, still be provided with the partition crown plate between first rim plate and the second rim plate, set up the spacing fixed orifices that supplies the through-flow fan blade to pass on the partition crown plate, it still is provided with the strengthening rib support to separate the crown plate inboard, the strengthening rib support is used for separating the crown plate along the radial support of separating the crown plate.
The utility model provides an air conditioner is through setting up the strengthening rib support in separating the crown plate inboard for the anti deformability of separating the crown plate strengthens greatly, and then has promoted the holistic anti ability of falling of air conditioner, and simultaneously when the high-speed operation of through-flow fan blade, the through-flow blade radially can be fixed, avoids causing the fan blade shake because of separating the crown plate deformation, avoids producing the abnormal sound because of the shake. In addition, the fan blade is internally provided with the reinforcing rib support, so that the internal airflow is not easy to axially flow, and the uneven wind speed at the outlet and abnormal sound are avoided. Compared with the prior art, the utility model provides an air conditioner, anti falling ability reinforce, and the air-out is even, and the abnormal sound is little.
Drawings
Fig. 1 is a schematic view of an overall structure of a cross-flow fan blade according to a first embodiment of the present invention;
fig. 2 is a schematic view of a partial structure of a cross-flow fan blade provided in a first embodiment of the present invention at a first viewing angle;
fig. 3 is a schematic view of a partial structure of a cross-flow fan blade provided in a first embodiment of the present invention at a second viewing angle;
fig. 4 is a schematic view of a partial structure of a cross-flow fan blade at a third viewing angle according to the first embodiment of the present invention.
Description of reference numerals:
100-cross-flow fan blades; 110-through-flow vanes; 130-a first wheel; 150-a second wheel; 170-separating ring plate; 171-limit fixing holes; 190-reinforcing rib brackets; 191-reinforcing ribs; 193-center connection.
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.
First embodiment
Referring to fig. 1 and 2 in combination, the embodiment provides a cross-flow fan blade 100, which is installed in an air conditioner, and has strong drop resistance, the blade is not easy to shake in the rotation process, the internal airflow is not easy to flow axially, abnormal sound is reduced, and the air speed of an air outlet is uniform.
The through-flow fan blade 100 provided by the embodiment comprises a through-flow fan blade 110, a first wheel disc 130 and a second wheel disc 150, the first wheel disc 130 and the second wheel disc 150 are arranged oppositely, the through-flow fan blade 110 is arranged between the first wheel disc 130 and the second wheel disc 150, a separation ring plate 170 is further arranged between the first wheel disc 130 and the second wheel disc 150, a limiting fixing hole 171 for the through-flow fan blade 100 to pass through is formed in the separation ring plate 170, a reinforcing rib support 190 is further arranged on the inner side of the separation ring plate 170, and the reinforcing rib support 190 is used for supporting the separation ring plate 170 along the radial direction of the separation ring plate 170.
In this embodiment, the through-flow blades 110 are a plurality of arc-shaped blades, the plurality of arc-shaped blades are uniformly arranged on the partition ring plate 170 in a fan shape, and the arc-shaped grooves of two adjacent through-flow blades 110 have the same direction. A plurality of arc-shaped limiting fixing holes 171 are formed in the partition ring plate 170, the plurality of through-flow blades 110 correspondingly penetrate through the plurality of limiting fixing holes 171 one by one, and the through-flow blades 110 are limited by the limiting fixing holes 171. By arranging the reinforcing rib bracket 190, the partition ring plate 170 is supported in the radial direction, the deformation resistance of the partition ring plate 170 is greatly improved, the integral drop resistance of the through-flow fan blade 100 is further improved, and meanwhile, when the through-flow fan blade 100 runs at a high speed, the through-flow fan blade 110 can be fixed in the radial direction, so that the fan blade is prevented from shaking due to the deformation of the partition ring plate 170, and abnormal sound caused by shaking is avoided. In addition, the reinforcing rib support 190 is arranged inside the fan blade, so that the internal airflow is not easy to axially flow, and the uneven wind speed at the outlet and abnormal sound are avoided.
In this embodiment, the separating ring plate 170 is circular, and the outer diameter of the separating ring plate 170 is consistent with the diameters of the first wheel disc 130 and the second wheel disc 150, so that the diameter of the whole through-flow fan blade 100 is kept consistent in the axial direction.
It should be noted that, the radial direction mentioned in this embodiment refers to a radial direction in which the trajectory circle is located when the cross-flow fan 100 rotates, that is, a linear direction along the radius of the partition ring plate 170. The axial direction mentioned in this embodiment refers to a direction of a rotating shaft when the cross-flow fan 100 rotates, that is, a linear direction of the rotating shaft of the partition ring plate 170.
In this embodiment, the number of the partition ring plates 170 is plural, the plurality of partition ring plates 170 are disposed between the first wheel disc 130 and the second wheel disc 150, and the reinforcing rib bracket 190 is disposed inside at least one of the partition ring plates 170. Specifically, the ratio of the partition ring plate 170 provided with the reinforcing rib support 190 to the common partition ring plate 170 can be determined according to the actual shaking condition, and the number of the reinforcing rib supports 190 can be appropriately reduced while the supporting strength is ensured by reasonably adding the reinforcing rib supports 190, so that the overall weight of the through-flow fan blade 100 is reduced, the lightweight manufacturing is realized, and the efficient rotation of the through-flow fan blade 100 is facilitated.
Preferably, the plurality of partition ring plates 170 are provided with reinforcing rib holders 190 inside, and the plurality of reinforcing rib holders 190 are symmetrically distributed along the axial middle section of the flow-through blade 110. The weight of the two ends of the cross-flow fan blade 100 is equal, and the phenomenon that the gravity is uneven when the cross-flow fan blade is installed and the rotation of the fan blade is influenced is avoided.
In the present embodiment, the distance between two adjacent partition ring plates 170 provided with the rib bracket 190 is at most 40cm according to the rigidity strength of the flow-through blade 110. Preferably, the reinforcing rib holders 190 are provided every 30cm, so that abnormal noise caused by shaking can be prevented to the maximum.
Referring to fig. 3 and 4 in combination, the reinforcing cage 190 includes a plurality of reinforcing beads 191 and a central connection member 193, the plurality of reinforcing beads 191 are disposed around the central connection member 193, and both ends of each reinforcing bead 191 are connected to the central connection member 193 and the partition ring plate 170, respectively. Through setting up a plurality of strengthening rib bars 191 and central connecting piece 193 for strengthening rib support 190's structure is more firm, and through setting up central connecting piece 193, can block and disturb the axial air current, avoids causing the uneven condition of air outlet wind speed because of the axial air current.
In this embodiment, the central connecting member 193, the reinforcing ribs 191, and the partition ring plate 170 are integrally injection-molded, which can greatly enhance the connecting strength. And a central connection member 193 is provided at a central position of the partition ring plate 170, and the plurality of reinforcing beads 191 are extended in the same length.
In other preferred embodiments of the present invention, a plurality of reinforcing ribs 191 are detachably disposed inside the partition ring plate 170 by a mounting ring. Specifically, the mounting ring, the reinforcing ribs 191 and the central connecting piece 193 are integrally arranged, the mounting ring is in interference fit with the inner side of the separating ring plate 170, installation is facilitated, and meanwhile, whether the reinforcing rib support 190 is arranged on the separating ring plate 170 or not can be adjusted conveniently and timely.
In this embodiment, the width of each reinforcing rib 191 gradually decreases from the end near the central connection 193 to the end near the partition ring plate 170. The width of the reinforcing ribs 191 is set, so that the width of the connecting central connecting piece 193 is smaller than that of the connecting separating ring plate 170, more reinforcing ribs 191 can be connected under the condition that the diameter of the central connecting piece 193 is certain, the supporting strength is ensured, and the manufacturing is convenient. Specifically, one end of the reinforcing rib 191 close to the partition ring plate 170 and the inner side of the partition ring plate 170 are in smooth transition through an arc, so that the connection area between the reinforcing rib and the partition ring plate 170 is increased, and the connection strength is ensured.
Note that, in the present embodiment, the width of the reinforcing ribs 191 refers to the width in the direction perpendicular to both the radial direction and the axial direction of the partition ring plate 170, that is, the width in the circumferential direction of the partition ring plate 170.
In this embodiment, the number of the reinforcing ribs 191 is 2 to 20, the plurality of reinforcing ribs 191 are uniformly distributed around the central connecting member 193, and the included angles between two adjacent reinforcing ribs 191 are equal. Preferably, the reinforcing ribs 191 are linear segments and extend along the radial direction, the number of the reinforcing ribs 191 is 6, and the included angle between two adjacent reinforcing ribs 191 is 60 degrees. Of course, the number of the reinforcing ribs 191 can be adjusted according to actual requirements, and the included angle between two adjacent reinforcing ribs 191 is 360/number of ribs.
Specifically, 6 reinforcing ribs 191 are uniformly arranged on the outer peripheral surface of the central connecting part 193 in a pairwise opposite mode, and the 6 reinforcing ribs 191 are uniformly distributed on the periphery of the central connecting part 193, so that the reinforcing ribs 191 and the central connecting part 193 cannot be eccentric in the rotating process, and the rotating stability is guaranteed.
In other preferred embodiments of the present invention, the reinforcing ribs 191 may be curved, and specifically, the plurality of reinforcing ribs 191 are distributed around the central connecting member 193 in a fan-blade shape, and each reinforcing rib 191 is arc-shaped.
In the present embodiment, the width of each reinforcing rib 191 is smaller than the inner diameter of the partition ring plate 170. So that the reinforcing ribs can support the partition ring plate 170 in different radial directions, and the manufacturing is convenient. In particular, here the width of the reinforcement ribs 191 is between 1/8-1/5 of the inner diameter of the partition ring plate 170, preferably the width of the reinforcement ribs 191 is 1/6 of the inner diameter of the partition ring plate 170.
In the present embodiment, the center connection piece 193 has a cylindrical shape, and the radius of the center connection piece 193 is smaller than the inner diameter of the partition ring plate 170. Set central connecting piece 193 to cylindric, make things convenient for a plurality of strengthening rib 191 rings to establish around central connecting piece 193 to make the junction atress homogeneous, avoid appearing stress concentration phenomenon. Of course, the shape of the center connecting member 193 may be other shapes such as a rectangle or an ellipse, and is not limited in particular.
The thickness of the reinforcing ribs 191 in the axial direction is smaller than or equal to the thickness of the partition ring plate 170 in the axial direction. And the thickness of the central connection member 193 in the axial direction is equal to the thickness of the reinforcing beads 191 in the axial direction so that both side surfaces of the central connection member 193 in the axial direction are flush with the reinforcing beads 191. The thickness of the reinforcing rib 191 and the thickness of the central connecting piece 193 are set to be consistent, so that the connecting part of the reinforcing rib 191 and the central connecting piece 193 can be kept flush and transition smoothly, the manufacturing difficulty is reduced, and the phenomenon of stress concentration at the connecting part is avoided.
In this embodiment, the thickness of the central connecting member 193, the thickness of the reinforcing ribs 191, and the thickness of the separating ring plate 170 are the same, so that the central connecting member 193, the reinforcing ribs 191, and the separating ring plate 170 are integrally injection-molded, and the manufacturing difficulty is further reduced.
In summary, the embodiment provides a cross-flow fan blade 100, and the reinforcing rib bracket 190 is disposed on the inner side of the partition ring plate 170, so that the deformation resistance of the partition ring plate 170 is greatly enhanced, and the axial airflow inside the partition ring plate 170 can be disturbed and blocked. Meanwhile, the plurality of reinforcing ribs 191 are uniformly distributed around the central connecting piece 193, so that the eccentric phenomenon is avoided, and the stable operation of the through-flow fan blade 100 is ensured. Specifically, a plurality of separating ring plates 170 are arranged between the first wheel disc 130 and the second wheel disc 150, and reinforcing rib brackets 190 are arranged on the inner sides of the plurality of separating ring plates 170, so that the separating ring plates 170 are radially supported, the deformation resistance of the separating ring plates 170 is greatly improved, the overall anti-falling capability of the cross-flow fan blade 100 is further improved, and meanwhile, when the cross-flow fan blade 100 runs at a high speed, the cross-flow fan blade 110 can be radially fixed, the fan blade is prevented from shaking due to the deformation of the separating ring plates 170, and abnormal sound caused by shaking is avoided. In addition, the reinforcing rib support 190 is arranged inside the fan blade, so that the internal airflow is not easy to axially flow, and the uneven wind speed at the outlet and abnormal sound are avoided.
Second embodiment
The embodiment provides an air conditioner, which comprises an air conditioner body and a cross-flow fan blade 100, wherein the cross-flow fan blade 100 is arranged in the air conditioner body, the basic structure and principle of the cross-flow fan blade 100 and the generated technical effects are the same as those of the first embodiment, and for brief description, corresponding contents in the first embodiment can be referred to for parts not mentioned in the embodiment.
The cross-flow fan blade 100 comprises a cross-flow fan blade 110, a first wheel disc 130 and a second wheel disc 150, the first wheel disc 130 and the second wheel disc 150 are arranged oppositely, the cross-flow fan blade 110 is arranged between the first wheel disc 130 and the second wheel disc 150, a separation ring plate 170 is further arranged between the first wheel disc 130 and the second wheel disc 150, a limiting fixing hole 171 for the cross-flow fan blade 100 to penetrate through is formed in the separation ring plate 170, a reinforcing rib support 190 is further arranged on the inner side of the separation ring plate 170, and the reinforcing rib support 190 is used for supporting the separation ring plate 170 along the radial direction of the separation ring plate 170.
The utility model provides an air conditioner is through setting up strengthening rib support 190 in separating ring plate 170 inboard for separating ring plate 170's resistance to deformation ability strengthens greatly, and then has promoted the holistic anti ability of falling of air conditioner, and when through-flow fan blade 100 was high-speed when moving simultaneously, through-flow blade 110 can radially be fixed, avoids causing the fan blade shake because separating ring plate 170 warp, avoids producing the abnormal sound because of the shake. In addition, the reinforcing rib support 190 is arranged inside the fan blade, so that the internal airflow is not easy to axially flow, and the uneven wind speed at the outlet and abnormal sound are avoided.
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 (10)
1. The cross-flow fan blade comprises a cross-flow blade (110), a first wheel disc (130) and a second wheel disc (150), wherein the first wheel disc (130) and the second wheel disc (150) are arranged oppositely, the cross-flow blade (110) is arranged between the first wheel disc (130) and the second wheel disc (150), the cross-flow fan blade is characterized in that a separating ring plate (170) is further arranged between the first wheel disc (130) and the second wheel disc (150), a limiting fixing hole for the cross-flow blade (110) to pass through is formed in the separating ring plate (170), a reinforcing rib support (190) is further arranged on the inner side of the separating ring plate (170), and the reinforcing rib support (190) is used for supporting the separating ring plate (170) along the radial direction.
2. The cross-flow fan blade of claim 1, wherein the reinforcing rib bracket (190) comprises a plurality of reinforcing ribs (191) and a central connecting piece (193), the plurality of reinforcing ribs (191) are arranged around the central connecting piece (193), and two ends of each reinforcing rib (191) are respectively connected with the central connecting piece (193) and the separating ring plate (170).
3. The cross-flow fan blade according to claim 2, wherein the width of each of the reinforcing ribs (191) decreases from the end near the central connection member (193) to the end near the partition ring plate (170).
4. The cross-flow fan blade according to claim 2 or 3, wherein the width of each reinforcing rib (191) is smaller than the inner diameter of the partition ring plate (170).
5. The cross-flow fan blade according to claim 2, wherein the central connecting piece (193) is cylindrical, and the radius of the central connecting piece (193) is smaller than the inner diameter of the separating ring plate (170).
6. The cross-flow fan blade according to claim 2, characterized in that the thickness of the reinforcing rib (191) in the axial direction is smaller than or equal to the thickness of the separating ring plate (170) in the axial direction, and the thickness of the central connecting piece (193) in the axial direction is equal to the thickness of the reinforcing rib (191) in the axial direction, so that the two side surfaces of the central connecting piece (193) in the axial direction are flush with the reinforcing rib (191).
7. The cross-flow fan blade of claim 2, wherein the reinforcing ribs (191) are uniformly distributed around the central connecting member (193), and the included angles between two adjacent reinforcing ribs (191) are equal.
8. The cross-flow fan blade according to claim 1, wherein the number of the partition ring plates (170) is multiple, the multiple partition ring plates (170) are arranged between the first wheel disc (130) and the second wheel disc (150), and the reinforcing rib bracket (190) is arranged on the inner side of at least one partition ring plate (170).
9. The cross-flow fan blade of claim 8, wherein the reinforcing rib brackets (190) are arranged on the inner sides of the plurality of separating ring plates (170), and the plurality of reinforcing rib brackets (190) are symmetrically distributed along the axial middle section of the cross-flow fan blade (110).
10. An air conditioner, characterized by comprising the cross-flow fan blade as recited in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921390624.3U CN210461161U (en) | 2019-08-26 | 2019-08-26 | Cross-flow fan blade and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921390624.3U CN210461161U (en) | 2019-08-26 | 2019-08-26 | Cross-flow fan blade and air conditioner |
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| CN210461161U true CN210461161U (en) | 2020-05-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425180A (en) * | 2019-08-26 | 2019-11-08 | 宁波奥克斯电气股份有限公司 | A kind of through-flow fan blade and air conditioner |
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2019
- 2019-08-26 CN CN201921390624.3U patent/CN210461161U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425180A (en) * | 2019-08-26 | 2019-11-08 | 宁波奥克斯电气股份有限公司 | A kind of through-flow fan blade and air conditioner |
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