CN214945233U - Diagonal flow fan with wheel rim reinforcing structure - Google Patents
Diagonal flow fan with wheel rim reinforcing structure Download PDFInfo
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- CN214945233U CN214945233U CN202121408526.5U CN202121408526U CN214945233U CN 214945233 U CN214945233 U CN 214945233U CN 202121408526 U CN202121408526 U CN 202121408526U CN 214945233 U CN214945233 U CN 214945233U
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Abstract
The utility model discloses a diagonal flow fan with wheel reason additional strengthening, including the motor with revolute a pivoted diagonal flow wind wheel through the motor, the diagonal flow wind wheel comprises wind wheel hub and wind wheel rim and wind wheel blade, and the wind wheel rim outside is provided with one deck or multilayer polygon additional strengthening, has the strengthening rib between polygon additional strengthening and the wind wheel rim to the slot cooperation is gone up to polygon additional strengthening outline and balancing piece for insert the balancing piece. The utility model increases the strength of the whole inclined flow wind wheel outer ring by arranging one or more layers of polygonal reinforcing structures and corresponding reinforcing ribs at the periphery of the wheel rim of the inclined flow wind wheel; the utility model discloses remain a bit clearance between polygon additional strengthening and rim, this clearance provides corresponding space for increasing the balancing piece in the wind wheel dynamic balance stage, adds the balancing piece in this position and not only reduces the loss of wind wheel air flow, reduces the production of streaming noise, also can greatly reduce assembly workman's the operation degree of difficulty simultaneously.
Description
Technical Field
The utility model relates to a fan field especially relates to a diagonal flow fan with wheel reason additional strengthening.
Background
The existing diagonal flow fan with an outer ring is widely applied to the industries of automobiles, refrigeration and ventilation. For example, CN _210371324_ U discloses a high-efficiency low-noise fan blade, namely, a wind wheel of the diagonal flow fan.
The oblique flow wind wheel has the characteristics of lower wind wheel height and larger wind wheel outer diameter in size, so that the structural strength of the wind wheel outer ring of the structure is always a pain point for restricting the increase of the rotating speed and the wind quantity of the oblique flow wind wheel. On the other hand, when the conventional diagonal flow fan is used for performing dynamic balance correction, a balance block is generally inserted into the head or the tail of the wind turbine blade. Such balancing piece arrangement mode not only can produce the bad influence to wind wheel noise and efficiency, moreover because the inhomogeneity of wind turbine blade thickness can lead to balancing piece and wind turbine blade cooperation to appear the clearance. Therefore, the invention provides the diagonal flow fan with the wheel rim reinforcing structure, on one hand, the problem that the strength of the outer ring of the diagonal flow wind wheel is not enough under the condition of high rotating speed is solved, and meanwhile, a new way for adding the balance weight for the dynamic balance of the diagonal flow wind wheel is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a diagonal flow fan with wheel reason additional strengthening for improve the wind wheel intensity of diagonal flow fan under high rotational speed and reduce the degree of difficulty that dynamic balance rectified.
The utility model adopts the following technical scheme:
the utility model provides an oblique flow fan with rim additional strengthening, include the motor and revolute the pivoted oblique flow wind wheel through the motor, the oblique flow wind wheel comprises wind wheel hub and wind wheel rim and the wind wheel blade that connects wind wheel hub and wind wheel rim and distribute along the circumference, the wind wheel rim outside is provided with one deck or multilayer polygon additional strengthening, have the strengthening rib between polygon additional strengthening and the wind wheel rim, and the slot cooperation on polygon additional strengthening outline and the balancing piece, be used for inserting the balancing piece. The diagonal flow wind wheel is made of non-metallic materials or metal materials.
Preferably, the cross section of the polygonal reinforcing structure is a polygon, the polygon is preferably a regular N-polygon, and N is more than or equal to 8.
Preferably, the corners of the polygonal reinforcing structures in different layers are arranged in a staggered manner in the circumferential direction, and the reinforcing ribs included in the polygonal reinforcing structures in different layers are also arranged in a correspondingly staggered manner.
Preferably, the wind wheel hub is provided with a certain number of water drainage holes, and the water drainage holes penetrate through the whole wind wheel hub and are uniformly distributed in the circumferential direction.
Preferably, one or more balance weights can be inserted into the polygonal reinforcing structures, the balance weights can be inserted into the polygonal reinforcing structures of different layers at different circumferential positions, and the balance weights with different sizes and weights can be inserted into the same diagonal flow wind wheel.
Preferably, two or more wind wheel blades are arranged between the wind wheel hub and the wind wheel rim of the oblique flow wind wheel, and the arrangement modes of different wind wheel blades are adjusted according to actual needs, preferably symmetrically arranged along the circumference.
Preferably, the cross section of the wind wheel hub and the wind wheel rim forms a certain angle with the rotating shaft.
Preferably, the basic shape of the cross section of the wind wheel hub and the wind wheel rim meets the requirement of spline curve smooth transition, and the included angle between the cross section of the wind wheel hub and the wind wheel rim and the rotating shaft is opposite in direction.
Preferably, the cross sections of the polygonal reinforcing structures of different layers can be set to be regular polygons with different shapes, and the polygonal reinforcing structures of different layers are provided with different numbers of reinforcing ribs.
Preferably, a balance weight gap exists between the polygonal reinforcing structure and the wind wheel rim, and the minimum size of the balance weight gap on the cross section is larger than 1 mm; the motor is wrapped in the space surrounded by the wind wheel hub in the circumferential direction, the maximum external dimension of the motor is smaller than or equal to the maximum dimension of the wind wheel hub, and the external dimension of the motor exceeds the wind wheel hub in the rotating shaft direction. The thickness of the polygonal reinforcing structure can be adjusted according to the size of the weight used. The polygonal reinforcing structures located in different layers may have different thicknesses, and for some areas needing special reinforcement in the circumferential direction, the polygonal reinforcing structures in the area can be additionally thickened.
Preferably, the recommended structure of the balance weight is provided with corresponding balance weight barbs which can ensure that the balance weight is tightly matched with the polygonal reinforcing structure after being inserted into the polygonal reinforcing structure. Enough clearance between the polygonal reinforcing structure and the wheel rim is ensured to drive the balance weight in. On the other hand, the polygonal reinforcing structure has enough height to ensure that the balance weight is completely engaged with the polygonal reinforcing structure.
Preferably, the insertion direction of different balance blocks on the polygonal reinforcing structures of different layers can be different, and in other example applications, the direction of the balance block barbs can be adjusted according to practical applications.
The utility model has the advantages that: (1) the utility model increases the strength of the whole inclined flow wind wheel outer ring by arranging one or more layers of polygonal reinforced structures and corresponding reinforcing ribs at the periphery of the wheel rim of the inclined flow wind wheel; the improved diagonal flow wind wheel can safely operate under the condition of higher rotating speed; (2) the utility model discloses keep a bit clearance between polygon additional strengthening and rim, this clearance provides corresponding space for increasing the balancing piece in the wind wheel dynamic balance stage, adds the balancing piece in this position and not only reduces the loss of wind wheel air flow, reduces the production of streaming noise, also can greatly reduce assembly workman's the operation degree of difficulty simultaneously.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view taken along section line A-A in FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is a perspective view of the counterbalance of the present invention;
FIG. 5 is a rear view of FIG. 1;
FIG. 6 is an enlarged partial view of a polygonal reinforcing structure with weights inserted;
in the figure: 1. the inclined flow wind wheel comprises a 2 inclined flow wind wheel body, a 3 wind wheel hub, 31 a water discharging hole, 4 a wind wheel blade, 5 a wind wheel rim, 6 a polygonal reinforcing structure, 7 a reinforcing rib, 8 a balance block, 81 and balance block barbs.
Detailed Description
The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:
example (b): as shown in fig. 1 to 5, the diagonal flow fan with the wheel rim reinforcing structure comprises a motor 2 and a diagonal flow wind wheel 1 which rotates around a rotating shaft R through the motor 2. The part of the diagonal flow wind wheel 1 connected with the motor 2 is called a wind wheel hub 3, and the circle ring of the diagonal flow wind wheel 1) is called a wind wheel rim 5. The wind wheel hub 3 and the wind wheel rim 5 are connected by a number of circumferentially distributed wind wheel blades 4. The wind wheel hub 3 is provided with a number of water drainage holes 31 in the circumferential direction, and the arrangement positions of the water drainage holes 31 are preferably circumferentially staggered with a certain angle with the arrangement positions of the wind wheel blades 4.
In the embodiment shown in fig. 1, two layers of polygonal reinforcing structures 6 are arranged on the rotor rim 5 of the diagonal flow rotor 1. The inlet of the oblique flow wind wheel 1 is defined at one side close to the rotor of the motor 2, and the outlet of the oblique flow wind wheel 1 is defined at one side close to the stator of the motor 2. As shown in the embodiment of fig. 1, the polygonal reinforcing structure 6 near the inlet of the diagonal flow wind wheel 1 and the polygonal reinforcing structure 6 near the outlet of the diagonal flow wind wheel 1 are both regular polygonal structures. And the polygonal reinforcing structure 6 close to the inlet of the diagonal flow wind wheel 1 and the polygonal reinforcing structure 6 close to the outlet of the diagonal flow wind wheel 1 are arranged in a staggered mode in the circumferential direction. Correspondingly, the reinforcing ribs 7 arranged on the polygonal reinforcing structure 6 close to the inlet of the diagonal flow wind wheel 1 and the reinforcing ribs 7 arranged on the polygonal reinforcing structure 6 close to the outlet of the diagonal flow wind wheel 1 are also arranged in a staggered mode in the circumferential direction.
In the embodiment shown in fig. 1, the polygonal reinforcing structure 6 near the inlet of the diagonal flow wind wheel 1 and the polygonal reinforcing structure 6 near the outlet of the diagonal flow wind wheel 1 can be inserted with a balance weight 8. Different layers of polygonal reinforcing structures can be inserted with different numbers of balancing weights 8 according to the needs.
In fig. 2 and 3, the gap between the polygonal reinforcing structure 6 near the inlet of the diagonal flow wind wheel 1 and the polygonal reinforcing structure 6 near the outlet of the diagonal flow wind wheel 1 and the wheel rim needs to be larger than 1 mm. And the height dimension of the polygonal reinforcing structure 6 needs to be larger than the length according to the weight 8 in order to satisfy the condition that the weight 8 is completely inserted into the polygonal reinforcing structure 6.
In fig. 4, a preferred structure of a certain weight 8 is provided with corresponding weight barbs 81, and the weight barbs 81 are designed to ensure that the weight is tightly fitted into the polygonal reinforcing structure 6 after being inserted into the polygonal reinforcing structure.
Fig. 5 shows a rear view of a diagonal flow wind turbine with a rim reinforcement structure, the hollow area formed by the wind turbine hub 3 encloses the motor 2, and the height of the stator part of the motor 2 can be higher than the total height of the diagonal flow wind turbine 1. The wind wheel hub 3 is provided with a water discharge hole 31 which is communicated with the hollow area where the motor is positioned.
In the enlarged view of a part of the rim reinforcing structure with weights inserted in fig. 6, the insertion direction of the different weights 8 may be different in the polygonal reinforcing structure 6 of the different layers. As shown in fig. 6, the weight 8 of the polygonal reinforcing structure 6 near the inner side of the wind wheel rim 5 has the weight barbs 81 located on the outer side of the polygonal reinforcing structure 6. Also in fig. 6, the weight 8 on the polygonal reinforcing structure 6 near the outside of the wind wheel rim 5 has its weight barbs 81 inside the polygonal reinforcing structure. In other example applications, the orientation of the weight barbs 81 may be adjusted according to the application.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (10)
1. The utility model provides an oblique flow fan with rim additional strengthening, includes the motor and revolutes the pivoted oblique flow wind wheel through the motor, characterized by, the oblique flow wind wheel comprises wind wheel hub and wind wheel rim and the wind wheel blade that connects wind wheel hub and wind wheel rim and distribute along the circumference, and the wind wheel rim outside is provided with one deck or multilayer polygon additional strengthening, has the strengthening rib between polygon additional strengthening and the wind wheel rim to slot fit on polygon additional strengthening outline and the balancing piece is used for inserting the balancing piece.
2. The diagonal flow fan with the wheel rim reinforcing structure as claimed in claim 1, wherein the cross section of the polygonal reinforcing structure is a polygon, the polygon is preferably a regular N-polygon, and N is more than or equal to 8.
3. The diagonal flow fan with the rim reinforcing structure as claimed in claim 2, wherein the corners of the polygonal reinforcing structures of different layers are staggered in the circumferential direction, and the reinforcing ribs of the polygonal reinforcing structures of different layers are correspondingly staggered.
4. The diagonal flow fan with the rim reinforcing structure as claimed in claim 1, wherein the wind wheel hub is provided with a plurality of drainage holes, and the drainage holes penetrate through the whole wind wheel hub and are uniformly distributed in the circumferential direction.
5. The diagonal flow fan with the rim reinforcing structure as claimed in claim 1, wherein one or more balance blocks can be inserted into the polygonal reinforcing structure, the balance blocks can be inserted into different layers of the polygonal reinforcing structure at different circumferential positions, and the balance blocks with different sizes and weights can be inserted into the same diagonal flow wind wheel.
6. The diagonal flow wind turbine with the rim reinforcing structure according to claim 1, wherein two or more wind turbine blades are arranged between a wind turbine hub and a wind turbine rim of the diagonal flow wind turbine, and the arrangement mode of different wind turbine blades is adjusted according to actual needs, and is preferably arranged symmetrically along the circumference.
7. The diagonal flow fan with the rim reinforcing structure as claimed in claim 1, wherein a cross section of the wind wheel hub and the wind wheel rim forms an angle with the rotation shaft.
8. The diagonal flow fan with the rim reinforcing structure as claimed in claim 1, wherein the basic shape of the cross section of the wind wheel hub and the wind wheel rim satisfies the smooth transition of a spline curve, and the angle directions of the cross section of the wind wheel hub and the wind wheel rim and the rotating shaft are opposite.
9. The diagonal flow fan with the wheel rim reinforcing structure as claimed in claim 2, wherein the cross sections of the polygonal reinforcing structures of different layers can be arranged into regular polygons with different shapes, and the polygonal reinforcing structures of different layers are provided with different numbers of reinforcing ribs.
10. The diagonal flow fan with the wheel rim reinforcing structure according to claim 1, wherein a balance block gap exists between the polygonal reinforcing structure and the wheel rim of the wind wheel, and the minimum size of the balance block gap on the cross section is larger than 1 mm; the motor is wrapped in the space surrounded by the wind wheel hub in the circumferential direction, the maximum external dimension of the motor is smaller than or equal to the maximum dimension of the wind wheel hub, and the external dimension of the motor exceeds the wind wheel hub in the rotating shaft direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121408526.5U CN214945233U (en) | 2021-06-24 | 2021-06-24 | Diagonal flow fan with wheel rim reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121408526.5U CN214945233U (en) | 2021-06-24 | 2021-06-24 | Diagonal flow fan with wheel rim reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945233U true CN214945233U (en) | 2021-11-30 |
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ID=79077107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121408526.5U Active CN214945233U (en) | 2021-06-24 | 2021-06-24 | Diagonal flow fan with wheel rim reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945233U (en) |
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2021
- 2021-06-24 CN CN202121408526.5U patent/CN214945233U/en active Active
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