CN211288229U - Axial flow impeller structure and air condensing units - Google Patents

Axial flow impeller structure and air condensing units Download PDF

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Publication number
CN211288229U
CN211288229U CN201922163475.3U CN201922163475U CN211288229U CN 211288229 U CN211288229 U CN 211288229U CN 201922163475 U CN201922163475 U CN 201922163475U CN 211288229 U CN211288229 U CN 211288229U
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China
Prior art keywords
groove
shaft
cover plate
hub
column
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CN201922163475.3U
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Chinese (zh)
Inventor
鲁旻
王天垚
蒋力
张伟捷
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Priority to CN201922163475.3U priority Critical patent/CN211288229U/en
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Abstract

The utility model provides an axial compressor impeller structure and air condensing units, axial compressor impeller structure includes: hub assembly and fan blade, wherein, hub assembly includes: the hub cover plate and the hub bottom plate are oppositely arranged, the inner wall of the hub cover plate is provided with a shaft column connecting groove, the inner wall of the hub bottom plate is provided with a first shaft column embedded groove, and the bottom of the hub bottom plate is provided with a second shaft column embedded groove; and a spindle post, comprising: the connecting base is positioned on a shaft column table on the connecting base, a shaft column hole is formed in the shaft column table, a connecting column is arranged on the outer side of the shaft column table and is embedded in a shaft column connecting groove and a first shaft column embedding groove, and a gap is formed between the top of the connecting column and the shaft column connecting groove; the connecting base is embedded in the second shaft column embedding groove. The adjustable fan blade axial position and the shaft hole replaceable are realized, the fan blade axial position adjusting device is suitable for matching different motors, and the parameters such as air quantity, noise, power and the like can be flexibly changed to a large extent.

Description

Axial flow impeller structure and air condensing units
Technical Field
The utility model relates to an air conditioning technology field particularly, relates to an axial flow impeller structure and air condensing units.
Background
The axial flow fan is generally used for an outdoor unit of an air conditioner, the blade installation angle and the axial installation position of the blade of the axial flow wind wheel, the performance of the motor is greatly influenced by parameters such as the matching performance of the motor, although some solutions with adjustable blades exist at present, the axial position of the blade is not adjustable, and meanwhile, the shape of the shaft hole is fixed, so that the axial flow fan can only be matched with the same type of motor and can not be freely adjusted, and the parameters such as air volume, noise, power and the like can not be flexibly changed to a large extent.
If the performance parameters are adjusted by changing the axial position of the fan blade or the matching is verified by replacing the motor, a plurality of models need to be manufactured, and the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be: the axial position of the blades of the existing axial flow fan is not adjustable, and the axial position of the blades can only be matched with the same type of motor, so that free adjustment cannot be realized, and parameters such as air quantity, noise, power and the like cannot be flexibly changed to a large extent.
In order to solve the above problem, the utility model provides an axial flow impeller structure and air condensing units.
According to the utility model discloses an aspect provides an axial compressor impeller structure, include: hub assembly and fan blade 4, wherein the hub assembly comprises: the hub cover plate comprises a hub cover plate 1 and a hub bottom plate 2 which are arranged oppositely, wherein a shaft column connecting groove 16 is formed in the inner wall of the hub cover plate 1, a first shaft column embedded groove 26 is formed in the inner wall of the hub bottom plate 2, and a second shaft column embedded groove 27 is formed in the bottom of the hub bottom plate 2; and a spindle 3, the spindle 3 comprising: the connecting base 33 is positioned on a shaft column table 31 on the connecting base, a shaft column hole 34 is arranged inside the shaft column table 31, a connecting column 32 is arranged outside the shaft column table 31, the connecting column 32 is embedded in the shaft column connecting groove 16 and the first shaft column embedding groove 26, and a gap is formed between the top of the connecting column 32 and the shaft column connecting groove 16; the connecting base 33 is embedded in the second shaft column embedding groove 27.
The hub component in the axial-flow impeller structure is set into three parts of a hub cover plate 1, a hub bottom plate 2 and a shaft column 3, a first shaft column embedded groove 26 is arranged on the inner wall of the hub cover plate 1 to enable the upper part of a connecting column 32 of the shaft column 3 to be embedded, a first shaft column embedded groove 26 is arranged on the inner wall of the hub bottom plate 2 to enable the lower part of the connecting column 32 of the shaft column 3 to be embedded, a second shaft column embedded groove 27 is arranged at the bottom of the hub bottom plate 2 to enable a connecting base 33 of the shaft column 3 to be embedded, so that the shaft column 3 is supported and limited, and the movement of the shaft column in the circumferential direction and the radial direction is limited; on the other hand, the jack post 3 can be dismantled out from between wheel hub apron 1 and the wheel hub bottom plate 2 and replace, and the aperture of the jack post hole 34 that the inside setting of jack post 3 can be adjusted freely as required, can match with different kind motors to make this axial compressor impeller structure help making parameters such as amount of wind, noise and power obtain the nimble change of great limit.
The utility model discloses an in the embodiment the spliced pole 32 top with be provided with apron gasket 6 in the clearance between the jack post spread groove 16, connect base 33 with be provided with bottom plate gasket 5 between the jack post embedded groove 27, cooperate through increase and decrease apron gasket 6 and bottom plate gasket 5, make jack post 3 for wheel hub apron 1 with the position of wheel hub bottom plate 2 changes.
For example, the shaft 3 may be moved upward in the axial direction by increasing the number of the bottom plate spacers 5 and decreasing the cover plate spacers 6 with the same thickness, or the shaft 3 may be moved downward in the axial direction by decreasing the number of the bottom plate spacers 5 and increasing the cover plate spacers 6 with the same thickness, so that the position of the shaft 3 relative to the hub cover plate 1 and the hub bottom plate 2 is changed, and the position of the shaft 3 relative to the fan blades 4 is changed, that is, the axial position of the fan blades is flexibly adjusted.
The utility model discloses an in the embodiment, be provided with locating hole 14 on the wheel hub apron 1, be provided with locating pin 24 on the wheel hub bottom plate 2 the locating hole 14 with make after 24 positions of locating pin correspond the jack-post spread groove 16 with 26 positions of first jack-post embedded groove correspond.
Through the mutual assembly of locating hole 14 and locating pin 24, realize the assembly positioning of wheel hub apron 1 and wheel hub bottom plate 2, and then make stud connecting groove 16 with first stud embedded groove 26 position corresponds, promptly stud connecting groove 16 with form after the first stud embedded groove 26 docks and to hold the integrative groove of the spliced pole 32 of stud 3.
The utility model discloses an in the embodiment, be provided with apron bolt hole 15 on the wheel hub apron 1, the correspondence is provided with bottom plate bolt hole 25 on the wheel hub bottom plate 2.
Through setting up apron bolt hole 15 and bottom plate bolt hole 25, can supply the bolt to pass, cooperate in order to realize the fastening between wheel hub apron 1 and wheel hub bottom plate 2 through the tightening of bolt and nut. For example, in an example, the hub cover plate 1 and the hub bottom plate 2 are assembled and positioned by positioning the positioning holes 14 and the positioning pins 24, an assembly gap is left between the hub cover plate 1 and the hub bottom plate 2, further, bolts penetrate through the cover plate bolt holes 15 and the bottom plate bolt holes 25, the hub cover plate 1 and the hub bottom plate 2 are fastened by screwing and matching of the bolts and the nuts, at the moment, the blade handles corresponding to the fan blades 4, the connecting columns 32 of the shaft columns 3 and the connecting bases 33 of the shaft columns 3 all receive a large clamping force effect, and the assembly reliability of the axial-flow impeller structure is effectively guaranteed.
In an embodiment of the present invention, the axle column 3 further includes: a shaft hole extension column 35, the shaft hole extension column 35 projecting downward relative to the connection base 33; the second stud insertion groove 27 is provided with a base stud hole 28; the axle hole extension post 35 extends through the base plate axle post hole 28.
The shaft hole extension column 35 protrudes downwards relative to the connecting base 33 and penetrates out of the hub bottom plate 2 through the bottom plate shaft column hole 28 arranged on the second shaft column embedding groove 27, so that the motor driving the fan blade 4 of the axial-flow impeller structure to rotate can be assembled and fixed with the shaft hole extension column 35 and does not obstruct the assembly between the shaft column 3 and the hub bottom plate 2.
In an embodiment of the present invention, the shaft hole 34 penetrates through the shaft mount 31 and the shaft hole extension column 35.
The shaft column hole 34 is formed in the shaft column table 31, and the shaft column hole 34 penetrates through the shaft hole extending column 35, so that when the shaft column 3 is machined, the sizes of other structures do not need to be changed, only the hole diameter of the shaft column hole 34 is changed to replace parts of the shaft column 3, and matching with different types of motors can be achieved.
In an embodiment of the present invention, the fan blade 4 includes a blade stem and a blade 44, the hub cover plate 1 is provided with a cover plate groove, the hub bottom plate 2 is provided with a bottom plate groove, and the cover plate groove and the bottom plate groove form a space for the blade stem to be embedded into.
Through the arrangement of the cover plate groove and the bottom plate groove, the cover plate groove and the bottom plate groove form a space for embedding the blade stems, and the fan blades 4 are fixed with the hub cover plate 1 and the hub bottom plate 2.
In an embodiment of the present invention, the petiole includes a petiole end 41, a petiole shaft 42 and a petiole connecting portion 43 which are connected in sequence, the diameter of the petiole shaft 42 is smaller than the diameter of the petiole end 41 and the diameter of the petiole connecting portion 43 respectively, the cover plate groove includes in sequence along the radial outside-in: first apron cylinder groove 11, second apron cylinder groove 12 and third apron cylinder groove 13, the bottom plate groove includes along radial outside-in proper order: a first base plate cylindrical groove 21, a second base plate cylindrical groove 22 and a third base plate cylindrical groove 23, wherein the first cover plate cylindrical groove 11 is matched with the first base plate cylindrical groove 21 to form a space for accommodating the petiole end portion 41, the second cover plate cylindrical groove 12 is matched with the second base plate cylindrical groove 22 to form a space for accommodating the petiole shaft 42, and the third cover plate cylindrical groove 13 is matched with the third base plate cylindrical groove 23 to form a space for accommodating the petiole connecting portion 43.
By setting the diameter of the shank shaft 42 to be smaller than the diameter of the shank end 41 and the diameter of the shank connecting portion 43, respectively, a structure having a narrow middle and thick ends is formed, which contributes to restricting the radial movement of the fan blade 4, particularly the radial movement of the shank.
In an embodiment of the present invention, the diameters of the first cover plate cylindrical groove 11, the first base plate cylindrical groove 21 and the petiole end 41 are equal, the diameters of the second cover plate cylindrical groove 12, the second base plate cylindrical groove 22 and the petiole shaft 42 are equal, and the diameters of the third cover plate cylindrical groove 13, the third base plate cylindrical groove 23 and the petiole connecting portion 43 are equal; the outer contours of the first cover plate cylindrical groove 11, the first base plate cylindrical groove 21, the second cover plate cylindrical groove 12, the second base plate cylindrical groove 22, the third cover plate cylindrical groove 13, and the third base plate cylindrical groove 23 are less than 1/2 circles.
The diameters of the corresponding three parts of the cover plate groove, the bottom plate groove and the blade handle are equal, so that the three parts of the blade handle can be respectively matched with the three grooves formed after the cover plate groove and the bottom plate groove are assembled, concentric assembly is realized, axial offset is avoided, and no additional moment is generated during rotation. In addition, the outer contours of the first cover plate cylindrical groove 11, the first base plate cylindrical groove 21, the second cover plate cylindrical groove 12, the second base plate cylindrical groove 22, the third cover plate cylindrical groove 13 and the third base plate cylindrical groove 23 are smaller than 1/2 circumferences, so that after the blade stem is assembled between the hub cover plate 1 and the hub base plate 2, a gap is formed between the hub cover plate 1 and the hub base plate 2, a larger clamping effect can be generated in the vertical direction through fastening of bolts, and the assembling reliability of the fan blade 4 and a hub assembly is improved.
In an embodiment of the present invention, the hub cover plate 1 is further provided with screw holes 17 for fixing the blade stems of the fan blades 4.
The blade handle of the fan blade 4 is fixed by the screws passing through the screw holes 17, so that the blade handle is difficult to rotate, and the stability of the fan blade 4 can be effectively ensured.
In an embodiment of the present invention, the blade shank end surface 45 of the blade shank end 41 has an angle scale, and the angle scale is marked to be 0 to 360 °.
Through set up the angle scale on petiole tip surface 45, when installing, only need mark the position of adjusting petiole tip 41 according to the scale that corresponds, just can realize the installation angle regulation and control to blade 44, can effectively guarantee a plurality of blades 44 installation angle's uniformity.
In an embodiment of the present invention, the cross-sectional shape of the bottom of the connection base 33 and the cross-sectional shape of the second post fitting groove 27 are polygons including a triangle.
The cross-sectional shape of the bottom of the connecting base 33 and the cross-sectional shape of the second stud embedded groove 27 are polygons including triangles, so that the axial stud 3 is facilitated to displace in the circumferential direction and the radial direction, and the stability and the reliability of the installation of the axial stud 3 are ensured.
In an embodiment of the present invention, the connecting columns 32 are distributed outside the circumferential direction of the shaft column base 31, each connecting column 32 extends along the radial direction, and the width of each connecting column 32 along the circumferential direction is greater than or equal to the width of the cover plate gasket 6 along the circumferential direction.
Through setting up each spliced pole 32 along the width of circumference more than or equal to the width of apron gasket 6 along circumference for each spliced pole 32 can take place to reciprocate along the clearance after reducing or increasing apron gasket 6, thereby has guaranteed the adjustable of fan blade axial position.
According to another aspect of the present invention, there is provided an outdoor unit of an air conditioner, including any one of the axial-flow impeller structures mentioned in the present invention.
The air conditioner outdoor unit is characterized in that a hub component in an axial flow impeller structure is set to be a hub cover plate 1, a hub bottom plate 2 and a shaft column 3, a first shaft column embedded groove 26 is formed in the inner wall of the hub cover plate 1 to enable the upper portion of a connecting column 32 of the shaft column 3 to be embedded, a first shaft column embedded groove 26 is formed in the inner wall of the hub bottom plate 2 to enable the lower portion of the connecting column 32 of the shaft column 3 to be embedded, a second shaft column embedded groove 27 is formed in the bottom of the hub bottom plate 2 to enable a connecting base 33 of the shaft column 3 to be embedded, so that the shaft column 3 is supported and limited, and the movement of the shaft column in the circumferential direction and the radial direction is limited; on the other hand, the jack post 3 can be dismantled out from between wheel hub apron 1 and the wheel hub bottom plate 2 and replace, and the aperture of the jack post hole 34 that the inside setting of jack post 3 can be adjusted freely as required, can match with different kind motors to make this axial compressor impeller structure help making parameters such as amount of wind, noise and power obtain the nimble change of great limit.
Drawings
Fig. 1 is a schematic structural view of an axial flow impeller structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the axial flow impeller shown in FIG. 1 with the fan blades removed;
FIG. 3 is an exploded view of the structure shown in FIG. 2;
fig. 4 is a front plan view of a wheel hub cover plate according to an embodiment of the present invention;
FIG. 5 is a rear plan view of the hub cover shown in FIG. 4;
fig. 6 is a front plan view of a hub baseplate according to an embodiment of the present invention;
FIG. 7 is a rear plan view of the hub baseplate shown in FIG. 6;
fig. 8 is a front plan view of an axle post according to an embodiment of the present invention;
FIG. 9 is a rear plan view of the axle post shown in FIG. 8;
FIG. 10 is a schematic structural view of a fan blade according to an embodiment of the present invention;
fig. 11 is a schematic structural view of a bottom plate gasket according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a cover gasket according to an embodiment of the present invention.
Description of reference numerals:
1-a hub cover plate;
11-a first cover plate cylindrical groove; 12-a second deck cylindrical trough;
13-a third cover plate cylindrical groove; 14-positioning holes;
15-cover plate bolt holes; 16-axis column connecting groove;
17-screw holes;
2-a hub baseplate;
21-a first baseplate cylindrical groove; 22-a second deck cylindrical trough;
23-a third deck cylindrical trough; 24-a locating pin;
25-baseplate bolt holes; 26-a first stud-insertion slot;
27-second stud-embedding groove; 28-baseplate stud holes;
3-a shaft column;
31-an axial pylon; 32-connecting column;
33-a connection base; 34-a shaft hole;
35-an axial hole extension column;
4-fan blades;
41-petiole end; 42-petiole;
43-petiole attachment; 44-a blade;
45-petiole end surface;
5-a bottom plate gasket;
51-pad periphery; 52-inner perimeter of gasket;
6-cover plate gasket.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
First embodiment
In a first exemplary embodiment of the present invention, an axial flow impeller structure is provided.
Fig. 1 is a schematic structural view of an axial flow impeller structure according to an embodiment of the present invention; FIG. 2 is a schematic structural view of the axial flow impeller shown in FIG. 1 with the fan blades removed; FIG. 3 is an exploded view of the structure shown in FIG. 2; fig. 4 is a front plan view of a wheel hub cover plate according to an embodiment of the present invention; FIG. 5 is a rear plan view of the hub cover shown in FIG. 4; fig. 6 is a front plan view of a hub baseplate according to an embodiment of the present invention; FIG. 7 is a rear plan view of the hub baseplate shown in FIG. 6; fig. 8 is a front plan view of an axle post according to an embodiment of the present invention; fig. 9 is a rear plan view of the axle post shown in fig. 8.
In the whole text, the directions of "up", "down", "radial" and "axial" are all based on the directions illustrated in fig. 2 of the drawings, and the directions of other drawings are consistent with the coordinate system of fig. 2 of the drawings.
Referring to fig. 1-9, the axial-flow impeller structure of the present invention includes: hub assembly and fan blade 4, wherein the hub assembly comprises: the hub cover plate comprises a hub cover plate 1 and a hub bottom plate 2 which are arranged oppositely, wherein a shaft column connecting groove 16 is formed in the inner wall of the hub cover plate 1, a first shaft column embedded groove 26 is formed in the inner wall of the hub bottom plate 2, and a second shaft column embedded groove 27 is formed in the bottom of the hub bottom plate 2; and a spindle 3, the spindle 3 comprising: the connecting base 33 is positioned on a shaft column table 31 on the connecting base, a shaft column hole 34 is arranged inside the shaft column table 31, a connecting column 32 is arranged outside the shaft column table 31, the connecting column 32 is embedded in the shaft column connecting groove 16 and the first shaft column embedding groove 26, and a gap is formed between the top of the connecting column 32 and the shaft column connecting groove 16; the connecting base 33 is embedded in the second shaft column embedding groove 27.
In an embodiment of the utility model, refer to fig. 3 and show spliced pole 32 top with be provided with apron gasket 6 in the clearance between jack post spread groove 16, connect base 33 with be provided with bottom plate gasket 5 between the jack post embedded groove 27, cooperate through increase and decrease apron gasket 6 and bottom plate gasket 5, make jack post 3 for wheel hub apron 1 with the position of wheel hub bottom plate 2 changes.
For example, the shaft 3 may be moved upward in the axial direction by increasing the number of the bottom plate spacers 5 and decreasing the cover plate spacers 6 with the same thickness, or the shaft 3 may be moved downward in the axial direction by decreasing the number of the bottom plate spacers 5 and increasing the cover plate spacers 6 with the same thickness, so that the position of the shaft 3 relative to the hub cover plate 1 and the hub bottom plate 2 is changed, and the position of the shaft 3 relative to the fan blades 4 is changed, that is, the axial position of the fan blades is flexibly adjusted.
In an embodiment of the present invention, as shown in fig. 4-7, the hub cover plate 1 is provided with a positioning hole 14, the hub bottom plate 2 is provided with a positioning pin 24, and the positioning hole 14 corresponds to the positioning pin 24, so that the post connecting groove 16 corresponds to the first post inserting groove 26.
Through the mutual assembly of locating hole 14 and locating pin 24, realize the assembly positioning of wheel hub apron 1 and wheel hub bottom plate 2, and then make stud connecting groove 16 with first stud embedded groove 26 position corresponds, promptly stud connecting groove 16 with form after the first stud embedded groove 26 docks and to hold the integrative groove of the spliced pole 32 of stud 3.
In an embodiment of the present invention, as shown in fig. 4-7, the hub cover plate 1 is provided with cover plate bolt holes 15, and the hub bottom plate 2 is correspondingly provided with bottom plate bolt holes 25.
Through setting up apron bolt hole 15 and bottom plate bolt hole 25, can supply the bolt to pass, cooperate in order to realize the fastening between wheel hub apron 1 and wheel hub bottom plate 2 through the tightening of bolt and nut. For example, in an example, the hub cover plate 1 and the hub bottom plate 2 are assembled and positioned by positioning the positioning holes 14 and the positioning pins 24, an assembly gap is left between the hub cover plate 1 and the hub bottom plate 2, further, bolts penetrate through the cover plate bolt holes 15 and the bottom plate bolt holes 25, the hub cover plate 1 and the hub bottom plate 2 are fastened by screwing and matching of the bolts and the nuts, at the moment, the blade handles corresponding to the fan blades 4, the connecting columns 32 of the shaft columns 3 and the connecting bases 33 of the shaft columns 3 all receive a large clamping force effect, and the assembly reliability of the axial-flow impeller structure is effectively guaranteed.
In an embodiment of the present invention, referring to fig. 9, the shaft 3 further includes: a shaft hole extension column 35, the shaft hole extension column 35 projecting downward relative to the connection base 33; the second stud insertion groove 27 is provided with a base stud hole 28; the axle hole extension post 35 extends through the base plate axle post hole 28.
The shaft hole extension column 35 protrudes downwards relative to the connecting base 33 and penetrates out of the hub bottom plate 2 through the bottom plate shaft column hole 28 arranged on the second shaft column embedding groove 27, so that the motor driving the fan blade 4 of the axial-flow impeller structure to rotate can be assembled and fixed with the shaft hole extension column 35 and does not obstruct the assembly between the shaft column 3 and the hub bottom plate 2.
In an embodiment of the present invention, referring to fig. 8 and 9, the shaft hole 34 penetrates through the shaft base 31 and the shaft hole extension column 35.
The shaft column hole 34 is formed in the shaft column table 31, and the shaft column hole 34 penetrates through the shaft hole extending column 35, so that when the shaft column 3 is machined, the sizes of other structures do not need to be changed, only the hole diameter of the shaft column hole 34 is changed to replace parts of the shaft column 3, and matching with different types of motors can be achieved.
In an embodiment of the present invention, the fan blade 4 includes a blade stem and a blade 44, the hub cover plate 1 is provided with a cover plate groove, the hub bottom plate 2 is provided with a bottom plate groove, and the cover plate groove and the bottom plate groove form a space for the blade stem to be embedded into.
Through the arrangement of the cover plate groove and the bottom plate groove, the cover plate groove and the bottom plate groove form a space for embedding the blade stems, and the fan blades 4 are fixed with the hub cover plate 1 and the hub bottom plate 2.
In an embodiment of the present invention, referring to fig. 5, fig. 6 and fig. 10, the petiole includes a petiole end 41, a petiole shaft 42 and a petiole connecting portion 43 which are connected in sequence, a diameter of the petiole shaft 42 is smaller than a diameter of the petiole end 41 and a diameter of the petiole connecting portion 43, the cover plate groove includes in sequence along a radial outside-in direction: first apron cylinder groove 11, second apron cylinder groove 12 and third apron cylinder groove 13, the bottom plate groove includes along radial outside-in proper order: a first base plate cylindrical groove 21, a second base plate cylindrical groove 22 and a third base plate cylindrical groove 23, wherein the first cover plate cylindrical groove 11 is matched with the first base plate cylindrical groove 21 to form a space for accommodating the petiole end portion 41, the second cover plate cylindrical groove 12 is matched with the second base plate cylindrical groove 22 to form a space for accommodating the petiole shaft 42, and the third cover plate cylindrical groove 13 is matched with the third base plate cylindrical groove 23 to form a space for accommodating the petiole connecting portion 43.
By setting the diameter of the shank shaft 42 to be smaller than the diameter of the shank end 41 and the diameter of the shank connecting portion 43, respectively, a structure having a narrow middle and thick ends is formed, which contributes to restricting the radial movement of the fan blade 4, particularly the radial movement of the shank.
In an embodiment of the present invention, the diameters of the first cover plate cylindrical groove 11, the first base plate cylindrical groove 21 and the petiole end 41 are equal, the diameters of the second cover plate cylindrical groove 12, the second base plate cylindrical groove 22 and the petiole shaft 42 are equal, and the diameters of the third cover plate cylindrical groove 13, the third base plate cylindrical groove 23 and the petiole connecting portion 43 are equal; the outer contours of the first cover plate cylindrical groove 11, the first base plate cylindrical groove 21, the second cover plate cylindrical groove 12, the second base plate cylindrical groove 22, the third cover plate cylindrical groove 13, and the third base plate cylindrical groove 23 are less than 1/2 circles.
The diameters of the corresponding three parts of the cover plate groove, the bottom plate groove and the blade handle are equal, so that the three parts of the blade handle can be respectively matched with the three grooves formed after the cover plate groove and the bottom plate groove are assembled, concentric assembly is realized, axial offset is avoided, and no additional moment is generated during rotation. In addition, the outer contours of the first cover plate cylindrical groove 11, the first base plate cylindrical groove 21, the second cover plate cylindrical groove 12, the second base plate cylindrical groove 22, the third cover plate cylindrical groove 13 and the third base plate cylindrical groove 23 are smaller than 1/2 circumferences, so that after the blade stem is assembled between the hub cover plate 1 and the hub base plate 2, a gap is formed between the hub cover plate 1 and the hub base plate 2, a larger clamping effect can be generated in the vertical direction through fastening of bolts, and the assembling reliability of the fan blade 4 and a hub assembly is improved.
In an embodiment of the present invention, referring to fig. 4 and 5, the hub cover plate 1 is further provided with screw holes 17 for fixing the blade shanks of the fan blades 4.
The blade handle of the fan blade 4 is fixed by the screws passing through the screw holes 17, so that the blade handle is difficult to rotate, and the stability of the fan blade 4 can be effectively ensured.
Fig. 10 is a schematic structural diagram of a fan blade according to an embodiment of the present invention.
In an embodiment of the present invention, referring to fig. 10, the petiole end surface 45 of the petiole end 41 has an angle scale, and the angle scale is marked to be 0 to 360 °. Specific numerical values are not illustrated in fig. 10, and in practical application, the minimum interval of the scales may be divided according to actual needs to control the precision of the adjustment of the installation angle of the blade 44.
Through set up the angle scale on petiole tip surface 45, when installing, only need mark the position of adjusting petiole tip 41 according to the scale that corresponds, just can realize the installation angle regulation and control to blade 44, can effectively guarantee a plurality of blades 44 installation angle's uniformity.
In an embodiment of the present invention, the cross-sectional shape of the bottom of the connection base 33 and the cross-sectional shape of the second post fitting groove 27 are polygons including a triangle.
The cross-sectional shape of the bottom of the connecting base 33 and the cross-sectional shape of the second stud embedded groove 27 are polygons including triangles, so that the axial stud 3 is facilitated to displace in the circumferential direction and the radial direction, and the stability and the reliability of the installation of the axial stud 3 are ensured.
In this disclosure, the gasket periphery 51 of the bottom plate gasket 5 is polygonal, the size of each part of the polygon is smaller than the corresponding shape and size on the outer contour of the second axle stud embedded groove 27, the gasket inner periphery 52 of the bottom plate gasket 5 is circular, the diameter of the gasket inner periphery 52 is larger than that of the bottom plate axle stud hole 28, and under the condition that the bottom plate gasket 5 exists, the axle hole extension column 35 sequentially penetrates through the hole of the gasket inner periphery 52 of the bottom plate gasket 5 and the bottom plate axle stud hole 28 arranged on the second axle stud embedded groove 27 and extends out of the hub bottom plate 2.
Fig. 11 is a schematic structural view of a bottom plate gasket according to an embodiment of the present invention; fig. 12 is a schematic structural diagram of a cover gasket according to an embodiment of the present invention.
In one example, referring to fig. 11, the gasket outer circumference 51 of the floor gasket 5 is hexagonal and the gasket inner circumference 52 is circular.
In an embodiment of the present invention, referring to fig. 8, 9 and 12, a plurality of the connecting columns 32 are distributed outside the circumferential direction of the column base 31, each of the connecting columns 32 extends along the radial direction, and the width of each connecting column 32 along the circumferential direction is greater than or equal to the width of the cover gasket 6 along the circumferential direction.
Through setting up each spliced pole 32 along the width of circumference more than or equal to the width of apron gasket 6 along circumference for each spliced pole 32 can take place to reciprocate along the clearance after reducing or increasing apron gasket 6, thereby has guaranteed the adjustable of fan blade axial position.
In one example, as shown in fig. 12, the shape of the cover plate gasket 6 matches the shape of the gap, for example, in a rectangular shape, and a plurality of cover plate gaskets 6 may be provided in the gap. The thicknesses of the cover plate gasket 6 and the top plate gasket 5 can be equal or have a multiple relation or a regulated thickness equivalent relation, for example, the thickness of one cover plate gasket 5 is equal to the thickness of one top plate gasket 5, or the thickness of one top plate gasket 5 is equal to the sum of the thicknesses of 2 cover plate gaskets 6 with equal or unequal thicknesses, or the thickness of one top plate gasket 5 is equal to the thickness of an integral multiple (N times) of the cover plate gasket 6, and N is more than or equal to 3.
For example, in this embodiment, the three connecting columns 32 form an included angle of 120 ° with each other and are uniformly distributed on the circumferential outer side of the shaft pylon 31. Of course, in other embodiments, the number of the connecting columns 32 is at least 2, and the number is not limited if it is more than 2, and the distribution pattern may be uniform or non-uniform.
In summary, in the axial-flow impeller structure in this embodiment, the hub assembly is set as the hub cover plate 1, the hub bottom plate 2 and the spindle post 3, and the first spindle post embedded groove 26 is provided on the inner wall of the hub cover plate 1 for the upper portion of the connecting post 32 of the spindle post 3 to be embedded, the first spindle post embedded groove 26 is provided on the inner wall of the hub bottom plate 2 for the lower portion of the connecting post 32 of the spindle post 3 to be embedded, and the second spindle post embedded groove 27 is provided on the bottom of the hub bottom plate 2 for the connecting base 33 of the spindle post 3 to be embedded, so as to form support and limit for the spindle post 3 and limit the motion of the spindle post in the circumferential direction and the radial direction, on one hand, because there is a gap between the top of the connecting post 32 and the spindle post connecting groove 16, the spindle post 3 can move up and down; on the other hand, the jack post 3 can be dismantled out from between wheel hub apron 1 and the wheel hub bottom plate 2 and replace, and the aperture of the jack post hole 34 that the inside setting of jack post 3 can be adjusted freely as required, is applicable to the matching of different kinds of motors to make this axial compressor impeller structure help making parameters such as amount of wind, noise and power obtain the nimble change of great limit.
Second embodiment
In an embodiment of the present invention, an air conditioner outdoor unit is provided, including the present invention provides an axial-flow impeller structure of any kind.
The air conditioner outdoor unit is characterized in that a hub component in an axial flow impeller structure is set to be a hub cover plate 1, a hub bottom plate 2 and a shaft column 3, a first shaft column embedded groove 26 is formed in the inner wall of the hub cover plate 1 to enable the upper portion of a connecting column 32 of the shaft column 3 to be embedded, a first shaft column embedded groove 26 is formed in the inner wall of the hub bottom plate 2 to enable the lower portion of the connecting column 32 of the shaft column 3 to be embedded, a second shaft column embedded groove 27 is formed in the bottom of the hub bottom plate 2 to enable a connecting base 33 of the shaft column 3 to be embedded, so that the shaft column 3 is supported and limited, and the movement of the shaft column in the circumferential direction and the radial direction is limited; on the other hand, the jack post 3 can be dismantled out from between wheel hub apron 1 and the wheel hub bottom plate 2 and replace, and the aperture of the jack post hole 34 that the inside setting of jack post 3 can be adjusted freely as required, can match with different kind motors to make this axial compressor impeller structure help making parameters such as amount of wind, noise and power obtain the nimble change of great limit.
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 (14)

1. An axial flow impeller structure, comprising: hub assembly and fan blade (4), wherein, hub assembly includes: the hub cover plate comprises a hub cover plate (1) and a hub bottom plate (2) which are arranged oppositely, wherein a shaft column connecting groove (16) is formed in the inner wall of the hub cover plate (1), a first shaft column embedded groove (26) is formed in the inner wall of the hub bottom plate (2), and a second shaft column embedded groove (27) is formed in the bottom of the hub bottom plate (2); and a spindle (3), said spindle (3) comprising: the connecting base (33) is positioned on a shaft column table (31) on the connecting base, a shaft column hole (34) is formed in the shaft column table (31), a connecting column (32) is arranged on the outer side of the shaft column table (31), the connecting column (32) is embedded in the shaft column connecting groove (16) and the first shaft column embedding groove (26), and a gap is formed between the top of the connecting column (32) and the shaft column connecting groove (16); the connecting base (33) is embedded in the second shaft column embedding groove (27).
2. The axial-flow impeller structure according to claim 1, characterized in that a cover plate gasket (6) is arranged in a gap between the top of the connecting column (32) and the shaft column connecting groove (16), a bottom plate gasket (5) is arranged between the connecting base (33) and the second shaft column embedding groove (27), and the position of the shaft column (3) relative to the hub cover plate (1) and the hub bottom plate (2) is changed by increasing or decreasing the cooperation of the cover plate gasket (6) and the bottom plate gasket (5).
3. The axial-flow impeller structure according to claim 1, characterized in that the hub cover plate (1) is provided with a positioning hole (14), the hub base plate (2) is provided with a positioning pin (24), and the shaft post connecting groove (16) is made to correspond to the first shaft post embedding groove (26) after the positioning hole (14) corresponds to the positioning pin (24).
4. Axial-flow impeller structure according to claim 1, characterized in that the hub cover plate (1) is provided with cover plate bolt holes (15) and the hub base plate (2) is correspondingly provided with base plate bolt holes (25).
5. The axial-flow impeller structure according to claim 1, characterized in that said shaft column (3) further comprises: a shaft hole extension column (35), wherein the shaft hole extension column (35) protrudes downwards relative to the connecting base (33); the second shaft column embedding groove (27) is provided with a bottom plate shaft column hole (28); the shaft hole extension column (35) penetrates through the bottom plate shaft column hole (28).
6. The axial-flow impeller structure of claim 5, characterized in that the shaft-hole (34) penetrates inside the shaft-boss (31) and the shaft-hole-extension-post (35).
7. The axial-flow impeller structure according to any one of claims 1 to 6, characterized in that the fan blades (4) comprise a blade shank and a blade (44), the hub cover plate (1) is provided with a cover plate groove, the hub base plate (2) is provided with a base plate groove, and the cover plate groove and the base plate groove form a space in which the blade shank can be inserted.
8. The axial-flow impeller structure according to claim 7, characterized in that the petioles comprise a petiole end portion (41), a petiole shaft (42) and a petiole connection portion (43) connected in sequence, the petiole shaft (42) having a diameter smaller than the diameter of the petiole end portion (41) and the diameter of the petiole connection portion (43), respectively, and the shroud slot comprises in sequence from outside to inside in a radial direction: first apron cylinder groove (11), second apron cylinder groove (12) and third apron cylinder groove (13), the bottom plate groove includes along radial outside-in proper order: the blade handle structure comprises a first base plate cylindrical groove (21), a second base plate cylindrical groove (22) and a third base plate cylindrical groove (23), wherein the first cover plate cylindrical groove (11) is matched with the first base plate cylindrical groove (21) to form a space for accommodating the blade handle end portion (41), the second cover plate cylindrical groove (12) is matched with the second base plate cylindrical groove (22) to form a space for accommodating the blade handle shaft (42), and the third cover plate cylindrical groove (13) is matched with the third base plate cylindrical groove (23) to form a space for accommodating the blade handle connecting portion (43).
9. The axial-flow impeller structure according to claim 8, characterized in that the diameters of the first cover plate cylindrical groove (11), the first base plate cylindrical groove (21), and the shank end portion (41) are equal, the diameters of the second cover plate cylindrical groove (12), the second base plate cylindrical groove (22), and the shank shaft (42) are equal, and the diameters of the third cover plate cylindrical groove (13), the third base plate cylindrical groove (23), and the shank connecting portion (43) are equal; the outer contours of the first cover plate cylindrical groove (11), the first base plate cylindrical groove (21), the second cover plate cylindrical groove (12), the second base plate cylindrical groove (22), the third cover plate cylindrical groove (13) and the third base plate cylindrical groove (23) are less than 1/2 circles.
10. The axial-flow impeller structure according to claim 7, characterized in that the hub cover plate (1) is further provided with screw holes (17) for fixing the shanks of the fan blades (4).
11. Axial-flow impeller structure according to claim 8, characterized in that the shank end surface (45) of the shank end (41) has an angular scale, said angular scale being indicated by 0-360 °.
12. The axial-flow impeller structure according to claim 1, characterized in that the bottom cross-sectional shape of the connection seat (33) and the cross-sectional shape of the second shaft-post fitting groove (27) are polygonal including triangular.
13. The axial-flow impeller structure of claim 2, characterized in that a plurality of the connecting columns (32) are distributed on the circumferential outer side of the axial-flow platform (31), each connecting column (32) extends in a radial direction, and the width of each connecting column (32) in the circumferential direction is greater than or equal to the width of the cover plate gasket (6) in the circumferential direction.
14. An outdoor unit of an air conditioner, comprising the axial-flow impeller structure of any one of claims 1 to 13.
CN201922163475.3U 2019-12-05 2019-12-05 Axial flow impeller structure and air condensing units Active CN211288229U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922163475.3U CN211288229U (en) 2019-12-05 2019-12-05 Axial flow impeller structure and air condensing units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922163475.3U CN211288229U (en) 2019-12-05 2019-12-05 Axial flow impeller structure and air condensing units

Publications (1)

Publication Number Publication Date
CN211288229U true CN211288229U (en) 2020-08-18

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Country Status (1)

Country Link
CN (1) CN211288229U (en)

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