CN108713102B - Pressure fan - Google Patents
Pressure fan Download PDFInfo
- Publication number
- CN108713102B CN108713102B CN201780014853.2A CN201780014853A CN108713102B CN 108713102 B CN108713102 B CN 108713102B CN 201780014853 A CN201780014853 A CN 201780014853A CN 108713102 B CN108713102 B CN 108713102B
- Authority
- CN
- China
- Prior art keywords
- fixing piece
- rotary shaft
- propeller boss
- holding section
- fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/40—Organic materials
- F05D2300/44—Resins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of pressure fan, it is circular rotary shaft that fixing piece, which is installed on section, and the idle running of multiple wing blade is prevented by the fixing piece, is improved the fixture construction of the pressure fan of the freedom degree of the installation direction of fixing piece.There is section in the pressure fan of the fixing piece (10) of the resin of circular rotary shaft (1) and the fan (60) of the resin with the propeller boss (30) for being installed on fixing piece (10) having indentation, fixing piece (10) has: fixing piece through hole (14), and indentation has rotary shaft (1);The first holding section of fixing piece (15), it engages in the first Installation posture that rotary shaft (1) is pressed into from the side of fixing piece through hole (14) with the propeller boss holding section (35) for being set to propeller boss (30);The second holding section of fixing piece (16) engages in the second Installation posture that rotary shaft (1) is pressed into from the other side of fixing piece through hole (14) with the propeller boss holding section (35).
Description
Technical field
The present invention relates to the pressure fan for having multiple wing blade, in more detail, are related to installing tree in the rotary shaft of motor
The fixture construction of the pressure fan of rouge fan.
Background technique
Pressure fan as the pressure fan of resin fan, especially air conditioner for vehicles, it is known that for example (Japan) is special
Open 2004-3449 bulletin (patent document 1) and (Japan) special open 2011-163244 bulletin (patent document 2) etc..
The pressure fan of this air conditioner for vehicles is sought as vehicle-mounted miniaturization and Wind Volume.Therefore, with family
It is compared with pressure fan (electric fan), the fan for keeping the distance from rotary shaft to blade short is rotated with fast speed.As is well known that
Sample by shaking and the uneven generation noise structurally of fan, therefore seeks high balance if rotation speed is big.
The pressure fan of above patent document 1 also discloses fixed mechanism of the fan to section for circular rotary shaft.That is, will
Section is the shaft hub that circular rotary shaft (axis 21) is inserted into fan (10), is then pressed into the fixing piece of the resin harder than fan
The through hole of (lid 30) further makes shaft hub and fixing piece chimeric along the axial direction of rotary shaft.Moreover, hard fixing piece is fixed
It is installed on rotary shaft, therefore can prevent the fan for being embedded in fixing piece from dallying relative to rotary shaft.
Existing technical literature
Patent document
Patent document 1:(Japan) special open 2004-3449 bulletin
Patent document 2:(Japan) special open 2011-163244 bulletin
Summary of the invention
The technical problems to be solved by the invention
In the fixing piece of above patent document 1, the part chimeric with fan is made only in axial side, thus in order to
The fan being first inserted into accurately is fitted into, and needs to be installed on rotary shaft on certain direction (certain direction).
Therefore, in production process, it is necessary to judge the Installation posture relative to rotary shaft, be adjusted to regular installation
Direction.In this way, the operation being adjusted to the installation direction of fixing piece needs certain deterministic process, therefore in this point in life
It produces and allows some leeway in efficiency.
Present invention has been made in view of the above circumstances, and being related to a kind of section that secures the fan to is circular rotary shaft
The pressure fan of construction, its object is to obtain a kind of mounting fixing parts on the rotary shaft, prevent multiple wing leaf by the fixing piece
In the fixture construction of the form of the idle running of piece, the fixture construction of the pressure fan of the freedom degree of the installation direction of fixing piece is improved.
For solving the technical solution of technical problem
The pressure fan 100 of the invention of technical solution 1 is characterized in that having:
Motor M is circular rotary shaft 1 with section;
The fixing piece 10 of resin, is installed on the rotary shaft;
The fan 60 of resin has the propeller boss 30 for being installed on the fixing piece;
The fixing piece 10 has:
Fixing piece through hole 14, indentation have the rotary shaft 1;
The first holding section of fixing piece 15 is pressed into the rotary shaft 1 from the side of the fixing piece through hole 14
When the first Installation posture, engage with the propeller boss holding section 35 for being set to the propeller boss 30;
The second holding section of fixing piece 16 is pressed into the rotary shaft 1 from the other side of the fixing piece through hole 14
The second Installation posture when, engage with the propeller boss holding section 35.
The invention of technical solution 2 is characterized in that, described in technical solution 1 on the basis of pressure fan 100, described solid
Determining part through hole 14, to have outer diameter of the diameter of the through hole between the side and the other side than the rotary shaft 1 small
Small diameter portion 14a.
The invention of technical solution 3 is characterized in that, described in technical solution 2 on the basis of pressure fan 100, described solid
Determine part through hole 14 to be equipped with from the side and the other side towards the gradually smaller conus portion 14b of the small diameter portion 14a diameter,
14c。
The invention of technical solution 4 is characterized in that, the basis of the pressure fan 100 described in any one of technical solution 1 to 3
On, the fixing piece 10 is formed as, the end and the other side of the side and the other side relative to the side
The imaginary section L2 congruence of the centre of end.
The effect of invention
According to the invention of technical solution 1, and rotary shaft 1 is pressed into from the side of fixing piece through hole 14 and keeps fixing piece 10 solid
Dingan County is loaded on the rotary shaft (the first Installation posture), and propeller boss 30 is further installed on fixing piece 10, the holding section 35 of propeller boss 30
The first holding section of fixing piece 15 that is chimeric and being sticked in fixing piece 10, therefore can not be dallied with fan 60 relative to rotary shaft 1
Mode be fixed.
Also, rotary shaft 1 is pressed into from the other side of fixing piece through hole 14 and fixing piece 10 is made to be fixedly installed in the rotation
Propeller boss 30 is further installed on fixing piece 10 by shaft (the second Installation posture), and the holding section 35 of propeller boss 30 is chimeric and is sticked in
It the second holding section of fixing piece 16 of fixing piece 10 also can be with first installation thus in the case where the second Installation posture
Posture similarly, is fixed in such a way that fan 60 does not dally relative to rotary shaft 1.
According to the invention of technical solution 2, due to have in fixing piece through hole 14 diameter of the through hole the side with
The small diameter portion 14a smaller than the outer diameter of rotary shaft 1 between the other side, therefore in first and second installation of fixing piece 10
Installation of the part 10 to rotary shaft 1 can be fixed in posture both sides securely.
According to the invention of technical solution 3, it is equipped in fixing piece through hole 14 from the side and the other side towards small
Diameter portion 14a diameter gradually smaller conus portion 14b, 14c, therefore peace of the part 10 to rotary shaft 1 can relatively easily be fixed
Dress.
According to the invention of technical solution 4, fixing piece 10 is formed as the side and the other side relative to the side
End and the other side end centre imaginary section L2 congruence, therefore rotary shaft 1 is to fixing piece through hole 14
Installation can be such that the fixing piece reversedly installs from either side, can be improved the freedom degree of the installation direction of fixing piece, assembling
In become convenient.
In this way, according to the present invention, it, can in the pressure fan for securing the fan to the construction that section is circular rotary shaft
It is improved the fixture construction of the pressure fan of the freedom degree of the installation direction of fixing piece.
Detailed description of the invention
Fig. 1 is the propeller boss, taperer and fan and fixing piece, rotary shaft and horse of the embodiment of the present invention from oblique upper
The exploded perspective view when ordered state reached.
It is outer when Fig. 2 is the installation condition of the rotary shaft for observing the embodiment of the present invention from the top down, fixing piece and propeller boss
See perspective view.
Fig. 3 be indicate rotary shaft in Fig. 2, fixing piece and propeller boss position enlarged drawing.
It is outer when Fig. 4 is the installation condition of the rotary shaft for observing the embodiment of the present invention from bottom to top, fixing piece and propeller boss
See perspective view.
Fig. 5 be indicate rotary shaft in Fig. 4, fixing piece and propeller boss position enlarged drawing.
Fig. 6 is stereoscopic figure when observing the propeller boss, taperer and fan of the embodiment of the present invention from the top down.
Fig. 7 is the enlarged drawing for indicating the position of the propeller boss in Fig. 6.
Fig. 8 is stereoscopic figure when observing the propeller boss, taperer and fan of the embodiment of the present invention from bottom to top.
Fig. 9 is the enlarged drawing for indicating the position of the propeller boss in Fig. 8.
Stereoscopic figure when Figure 10 is the fixing piece of the embodiment of the present invention from oblique upper.
Figure 11 is stereoscopic figure when looking up the fixing piece of the embodiment of the present invention from obliquely downward.
Figure 12 is to be related to the embodiment of the present invention, be under top discrete representation propeller boss, the first Installation posture fixing piece,
And the longitudinal section view of rotary shaft.
Figure 13 is the state for indicating to combine propeller boss shown in Figure 12, the fixing piece under the first Installation posture and rotary shaft
Longitudinal section view.
Figure 14 is related to the embodiment of the present invention, be from the fixing piece under top discrete representation propeller boss, the second Installation posture with
And the longitudinal section view of rotary shaft.
Figure 15 is the fixing piece, propeller boss, taperer and fan of other embodiments of the invention and rotation from oblique upper
The exploded perspective view when ordered state of axis and motor.
Figure 16 is related to the other embodiment of the present invention, is from fixing piece, the axis under the first Installation posture of top discrete representation
The longitudinal section view of hub and rotary shaft.
Figure 17 is the fixing piece indicated by under the first indentation posture shown in Figure 16, propeller boss and the state of rotary shaft combination
Longitudinal section view.
Figure 18 is related to the other embodiment of the present invention, be pressed into from top discrete representation second under posture other are exemplary
The longitudinal section view of fixing piece, propeller boss and rotary shaft.
Figure 19 is related to the other embodiment of the present invention, is from another exemplary under the indentation posture of top discrete representation first
The longitudinal section view of fixing piece, propeller boss and rotary shaft.
Specific embodiment
Hereinafter, being illustrated referring to attached drawing to a form of the invention.Embodiment described below is the present invention
Embodiment, the present invention is not limited to following implementation.It should be noted that marking same attached drawing in the present description and drawings
The constituent element of label indicates mutually the same constituent element.As long as also, function and effect of the invention, Ke Yishi can be played
Apply various forms change.
Fig. 1 to Figure 14 indicates each component (component parts) of the pressure fan of first embodiment of the invention.This implementation
The pressure fan 100 of mode is configured to have: motor M, is circular rotary shaft 1 with section;The fixing piece 10 of resin,
It is installed on rotary shaft 1;The fan 60 of resin has the propeller boss 30 for being installed on fixing piece 10, and has and prolong from propeller boss 30
The taperer 50 stretched, the multiple blades extended from the outer peripheral edge portion of taperer 50.It should be noted that with the prior art (such as
The patent document 1,2) identical, fixing piece 10 is formed by the big resin of mechanical strength, and propeller boss 30 is with more mechanical than fixing piece 10 strong
Small resin is spent to be formed.Alternatively, fixing piece 10 and propeller boss 30 can be formed by the resin that mechanical strength is same degree.In addition,
Fixing piece 10 and fan 60 are formed by the method for forming well known to injection molding etc..As the material of resin, using such as polypropylene,
ABS resin etc..
Fixing piece 10 is the component of tubular, is installed on rotary shaft 1 as previously mentioned.Pacify on fixing piece 10 via propeller boss 30
Equipped with fan 60, the rotation of rotary shaft 1 is transmitted to fan 60 via the fixing piece 10.Therefore, fixing piece 10 is relative to rotation
Axis 1 does not slide and the mode that is not axially moveable firmly fixes and is installed on rotary shaft 1.
Also, as shown in Figure 10 and Figure 11, fixing piece 10 has the fixing piece first end face close to the front end of rotary shaft 1
11, far from rotary shaft front end fixing piece second end face 12, in fixing piece first end face 11 and the fixing piece second end face
The fixing piece outer peripheral surface 13 that is formed between 12, indentation have the fixing piece through hole 14 of rotary shaft 1, in the formation of fixing piece outer peripheral surface 13
Shape concave or convex the first holding section of fixing piece 15, portion different from the first holding section of fixing piece on fixing piece outer peripheral surface 15
The second holding section of fixing piece 16 for the shape concave or convex that position is formed.
In the fixing piece 10 of present embodiment, the first holding section of fixing piece 15 and fixing piece the second holding section 16 are concave
Shape.Also, the first holding section of fixing piece 15 and the second holding section of fixing piece 16 are in put centered on the axis of imaginaries L1 of rotary shaft 1
It penetrates shape and angularly configures.It is located at respectively it should be noted that their configuration is set as the second holding section of fixing piece 16
The centre of the first holding section of fixing piece 15 (among the first holding section of multiple fixing pieces 15 in the circumferential direction of fixing piece outer peripheral surface 13).
Propeller boss 30 is the component of tubular, is a part of fan 60, is formed by resin and is installed on fixing piece 10.Such as Fig. 7
With shown in Fig. 9, the propeller boss 30 of present embodiment has the propeller boss first end face 31 close to the front end of rotary shaft 1, far from rotary shaft 1
The propeller boss second end face 32 of front end, the propeller boss outer peripheral surface that is formed between propeller boss first end face 31 and propeller boss second end face 32
33, the propeller boss through hole 34 inserted with fixing piece 10, propeller boss through hole 34 inner peripheral surface formed and engage with fixing piece first
The first holding section of propeller boss 35 that portion 15 engages and the second holding section of propeller boss 36 engaged with the second holding section of fixing piece 16.In this reality
It applies in mode, propeller boss first end face 31 is located at the upside of attached drawing, and propeller boss second end face 32 is located at the downside of attached drawing.
In the propeller boss 30 of present embodiment, the first holding section of propeller boss 35 and the second holding section of propeller boss 36 are in and fixing piece the
One holding section 15 convex form corresponding with the concave shape of the second holding section of fixing piece 16.Also, the first holding section of propeller boss 35 and axis
Being configured as the second holding section of hub 36 be corresponding with the first holding section of fixing piece 15 and fixing piece the second holding section 16, with rotation
Radial and equal angular configuration centered on the axis of imaginaries of axis 1.It should be noted that the case where with fixing piece 10, is identical,
Their configuration is set as centre (the propeller boss through hole 34 that the second holding section of propeller boss 36 is located at each the first holding section of propeller boss 35
Circumferential direction on the first holding section of multiple propeller boss 35 centre).
In this case, as Figure 10 and Figure 11 are illustrated in detail, the first holding section of fixing piece 15 is formed as edge
The axial of rotary shaft 1 extend from fixing piece first end face 11, and be equipped with the first limiting unit of fixing piece in the end of the extension
17.Also, the second holding section of fixing piece 16 is formed as extending along the axial of rotary shaft 1 from fixing piece second end face 12, and
The second limiting unit of fixing piece 18 is equipped in the end of the extension.
On the other hand, the first holding section of propeller boss 35 is formed as extending along the axial of rotary shaft 1 from propeller boss first end face 31,
And the first limiting unit of propeller boss 37 is equipped in the end of the extension.Also, the second holding section of propeller boss 36 is formed as along rotary shaft 1
It is axial extend from the position far from propeller boss first end face 31, and be equipped with propeller boss the in the end of 31 side of propeller boss first end face
Two limiting units 38.It should be noted that the second holding section of propeller boss 36 can be formed as along the axial from propeller boss second of rotary shaft 1
End face 32 extends, and is equipped with the second limiting unit of propeller boss 38 in the end of the extension.It the case where according to molding die, can be appropriate
Ground is selected.
Moreover, as described in detail later, the first limiting unit of fixing piece 17 and the first limiting unit of propeller boss 37 are formed to 30 edge of propeller boss
The first limiting mechanism 70 (referring to Fig.1 3) for being limited of axial moving range of rotary shaft 1.Equally, fixing piece second limits
Portion 18 processed and the second limiting unit of propeller boss 38 form second limited along the axial moving range of rotary shaft 1 propeller boss 30
Limiting mechanism 80 (referring to Fig.1 3).
In the present embodiment, taperer 50 in the axial direction of rotary shaft 1 from the first holding section of fixing piece 15 or fixed
The corresponding propeller boss outer peripheral surface 33 in the second holding section of part 16 extends.
In the pressure fan 100 of present embodiment, the rotary shaft 1 of motor is pressed into the fixing piece through hole 14 of fixing piece 10
And installed and (rotary shaft 1 is pressed into fixing piece 10 and is installed), from the front end side of rotary shaft 1 by the propeller boss 30 of fan 60
Be installed on the fixing piece 10, that is to say, that keep each holding section of propeller boss 30 mobile from 11 side of fixing piece first end face and and fixing piece
10 each holding section engaging.
When keeping propeller boss 30 mobile from 11 side of fixing piece first end face of fixing piece 10, engage the propeller boss first of propeller boss 30
Portion 35 and the first holding section of fixing piece 15 and make the second holding section of propeller boss 36 and the second holding section of fixing piece 16 respectively in axial direction
On accordingly position, firstly, making while to being compressed for example formed as well known hook-shaped the second holding section of propeller boss 36
It is moved along 13 sliding contact of fixing piece outer peripheral surface.Then, make the first holding section of propeller boss 35 and the first holding section of fixing piece
15 and keeps the second holding section of propeller boss 36 chimeric with fixing piece the second holding section 16 and engage.
In this way, the first holding section of propeller boss 35 and the first holding section of fixing piece 15 and the second holding section of propeller boss 36 and fixation
The second holding section of part 16 is concave-convex chimeric respectively and engages, thus can in such a way that fan 60 does not dally relative to rotary shaft 1 into
Row is fixed.
In the pressure fan of present embodiment, the rotary driving force of fixing piece 10 is transmitted to from fixing piece 10 from rotary shaft 1
It transmits towards outer lateral propeller boss 30 radially of the axis of rotation, is further transmitted to taperer 50.In addition, taperer 50 from fixing piece
The corresponding propeller boss outer peripheral surface 33 in holding section extends to the radial outside of rotary shaft 1, therefore to the rotary driving force of the taperer
It is transmitted towards the radial outside of rotary shaft 1.In this way, in the pressure fan of present embodiment, to rotary shaft 1, fixing piece 10, propeller boss
30 and taperer 50 driving force transmitting towards rotary shaft 1 radial outside transmit, i.e., will not be towards rotary axis direction, therefore
It can eliminate to generate in impeller rotation and shake and unbalanced reason.
In addition, formed by the first limiting unit of fixing piece 17 and the first limiting unit of propeller boss 37 of aforementioned present embodiment first
Limiting mechanism 70 limit direction from propeller boss 30 to the front end for leaving rotary shaft 1 moving range, and limited by fixing piece second
The second limiting mechanism 80 that portion 18 and the second limiting unit of propeller boss 38 are formed limits direction of the propeller boss 30 to the front end close to rotary shaft 1
Moving range.
In this way, propeller boss 30 can be prevented relative to rotation due to being equipped with the first limiting mechanism 70 and the second limiting mechanism 80
The axial movement of axis 1, and then avoid the axial movement of fan 60.
It should be noted that in the present embodiment, making the first holding section of fixing piece 15 and the second holding section of fixing piece 16
Be formed as concave shape and the first holding section of propeller boss 35 and the second holding section of propeller boss 36 is made to be formed as convex form, but can also be with
This is on the contrary, making the first holding section of fixing piece 15 and the second holding section of fixing piece 16 be formed as convex form and blocking propeller boss first
Conjunction portion 35 and the second holding section of propeller boss 36 are formed as concave shape.
Also, it is preferred that the first limiting unit of fixing piece 17 and the second limiting unit of fixing piece 18 along the axial of rotary shaft 1
Position away from fixing piece first end face 11 is identical.Additionally, it is preferred that the edge of the first limiting unit of propeller boss 37 and the second limiting unit of propeller boss 38
Rotary shaft 1 the axial position away from propeller boss first end face 31 it is identical.It is easy for die parting line to be arranged in identical position, mold
Design become easy, can be improved the productivity of fixing piece 10 and fan 60.
In the first embodiment of aforementioned present invention, fixing piece 10 is relative to fixing piece first end face 11 and fixing piece the
Imaginary section L2 among biend 12 is formed as the side and other side congruence.Moreover, in the first embodiment
In example illustrated in, fixing piece 10 for upside be installed on fixing piece first end face 11 rotary shaft 1 (first installation appearance
State.Referring in particular to Figure 12 and Figure 13), propeller boss 30 is installed on fixing piece 10.
In contrast, fixing piece 10 is made to turn upside down, that is to say, that as shown in figure 14, even if with fixing piece second end face
12 are installed on rotary shaft 1 (the second Installation posture) for upside, and above-mentioned propeller boss is also carried out similarly without any obstacle
30 installation to fixing piece 10.
In this way, fixing piece 10 is formed as relative in in-between imaginary section L2 congruence, in fixing piece 10 to rotation
When the installation of axis 1, due to that can be installed from either end facet, convenience when assembled can be improved.
It should be noted that in the case where implementing the present invention, as described above, fixing piece 10 is formed as relative to fixing piece
The imaginary section L2 congruence of the centre of first end face 11 and fixing piece second end face 12, therefore preferably the first holding section of fixing piece 15
Identical with the axial length of the second holding section of fixing piece 16, however, the present invention is not limited thereto allows 15 He of the first holding section of fixing piece
Degree difference of the axial length of the second holding section of fixing piece 16 not affected to the rotation of fan.
Then, second embodiment of the present invention is illustrated.
What Figure 15 to Figure 19 was indicated is the fixing piece 10 and propeller boss 30 of the pressure fan of second embodiment of the invention.This implementation
Mode is for example using cap-type fixing piece 10 shown in above patent document 1.That is, the propeller boss 30 of fan is installed on rotary shaft 1, into
And mounting fixing parts 10 (rotary shaft 1 is pressed into fixing piece 10 and is installed), by the fixed propeller boss 30 of the fixing piece 10, thus
Prevent fan from rotating relative to rotary shaft.
Second embodiment of the present invention has in the same manner as the first embodiment: the first holding section of fixing piece 15,
It is being installed on the of rotary shaft 1 from the fixing piece 10 for having fixing piece through hole 14, the fixing piece through hole 14 side
When one Installation posture, engage with the propeller boss holding section 35 for being set to the propeller boss 30;The second holding section of fixing piece 16, from admittedly
Determine to engage when the other side of part through hole 14 is installed on the second Installation posture of rotary shaft 1 with the propeller boss holding section 35.
In this second embodiment, identical with first embodiment, fixing piece 10 is formed as relative to the fixing piece 10
Axial intermediate imaginary section L2 congruence.Furthermore it is possible to be formed as symmetrical relative to the face imaginary section L2.Moreover, this
In the example for illustrating (Figure 16 and Figure 17) in two embodiments, fixing piece 10 for downside is pacified with the first holding section of fixing piece 15
Dress, (the first Installation posture) is engaged with propeller boss 30.
Also, in Figure 16 and Figure 17, as form of the appended drawing reference 15,16 in bracket, with the card of fixing piece first
Conjunction portion 16 is installed on rotary shaft 1 for downside, that is to say, that fixing piece 10 is made to install and engage upside down with propeller boss 30.
Figure 18 indicates that other examples of second embodiment have in fixing piece through hole 14 in the case of this example
The diameter of through hole small diameter portion 14a smaller than the outer diameter of the rotary shaft 1 between the side and the other side.
In this way, if having small diameter portion 14a, it, can in the first and second Installation postures both sides of fixing piece 10
Installation of the part 10 to rotary shaft 1 is fixed securely.
What Figure 19 was indicated is other examples of second embodiment, in the case of this example, in fixing piece through hole 14
Equipped with from the side and another side to small diameter portion 14a diameter gradually smaller conus portion 14b, 14c.
In this way, conus portion 14b, 14c are set together with small diameter portion 14a, it, can be more while with small diameter portion 14a
It is easy to carry out and needs the installation exercise of the fixing piece 10 that presses to rotary shaft 1.
According to above-mentioned second embodiment, fixing piece 10 is formed as the end and the other side relative to the side
The imaginary section L2 congruence of the centre of end or face are symmetrical, therefore installation of the fixing piece 10 to rotary shaft 1 can be such that this fixes
Part is upside down carried out from either side, be can be improved the freedom degree of the installation direction of fixing piece, is become easy in assembling.
In this way, the first and second embodiment according to the present invention, is circular rotary shaft securing the fan to section
In the pressure fan of construction, the fixture construction of the pressure fan of the freedom degree of the installation direction of fixing piece can be improved.
More than, it illustrates first embodiment and second embodiment and is illustrated to using pressure fan of the invention, but
Present invention is obviously not limited to the two embodiments.
Industrial applicibility
Pressure fan of the invention can be manufactured industrially, be particularly suitable for air conditioner for vehicles.
Description of symbols
M motor;
1 rotary shaft;
10 fixing pieces;
11 fixing piece first end faces;
12 fixing piece second end faces;
13 fixing piece outer peripheral surfaces;
14 fixing piece through holes;
14a small diameter portion;
14b conus portion;
14c conus portion;
15 the first holding sections of fixing piece;
16 the second holding sections of fixing piece;
17 the first limiting units of fixing piece;
18 the second limiting units of fixing piece;
30 propeller boss;
31 propeller boss first end faces;
32 propeller boss second end faces;
33 propeller boss outer peripheral surfaces;
34 propeller boss through holes;
35 the first holding sections of propeller boss;
36 the second holding sections of propeller boss;
37 the first limiting units of propeller boss;
38 the second limiting units of propeller boss;
50 taperers;
60 fans;
70 first limiting mechanisms;
80 second limiting mechanisms;
100 pressure fan;
The axis of imaginaries of L1 rotary shaft;
L2 imagination section.
Claims (4)
1. a kind of pressure fan (100), has:
Motor (M) is circular rotary shaft (1) with section;
The fixing piece (10) of resin, is installed on the rotary shaft;
The fan (60) of resin has the propeller boss (30) for being installed on the fixing piece;
The fixing piece (10) has:
Fixing piece through hole (14), indentation have the rotary shaft (1);
The first holding section of fixing piece (15) is pressed into the rotary shaft (1) from the side of the fixing piece through hole (14)
The first Installation posture when, engage with the propeller boss holding section (35) for being set to the propeller boss (30);
The pressure fan (100) is characterized in that the fixing piece (10) is further equipped with the second holding section of fixing piece (16), this is solid
Determine the second peace that the second holding section of part (16) is pressed into the rotary shaft (1) from the other side of the fixing piece through hole (14)
When filling posture, engage with the propeller boss holding section (35).
2. pressure fan (100) according to claim 1, which is characterized in that
Has the diameter of the through hole between the side and the other side than the rotation in the fixing piece through hole (14)
The small small diameter portion (14a) of the outer diameter of shaft (1).
3. pressure fan (100) according to claim 2, which is characterized in that
It is equipped in the fixing piece through hole (14) and gradually becomes from the side and another side to the small diameter portion (14a) diameter
Small conus portion (14b, 14c).
4. pressure fan (100) according to any one of claim 1 to 3, which is characterized in that
The fixing piece (10) is formed as, the end and the other side of the side and the other side relative to the side
End centre imaginary section (L2) congruence.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016-044111 | 2016-03-08 | ||
JP2016044111 | 2016-03-08 | ||
PCT/JP2017/008440 WO2017154764A1 (en) | 2016-03-08 | 2017-03-03 | Blower |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108713102A CN108713102A (en) | 2018-10-26 |
CN108713102B true CN108713102B (en) | 2019-11-26 |
Family
ID=59790597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201780014853.2A Expired - Fee Related CN108713102B (en) | 2016-03-08 | 2017-03-03 | Pressure fan |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3428455A4 (en) |
JP (1) | JPWO2017154764A1 (en) |
CN (1) | CN108713102B (en) |
WO (1) | WO2017154764A1 (en) |
Families Citing this family (1)
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CN112797022B (en) * | 2020-12-21 | 2022-06-28 | 珠海格力电器股份有限公司 | Fan blade assembly and motor with same |
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CN2563337Y (en) * | 2002-08-01 | 2003-07-30 | 林三原 | Matching structure of heat radiation fan |
CN2628760Y (en) * | 2003-06-02 | 2004-07-28 | 奇鋐科技股份有限公司 | Hub and shaft centre combine apparatus for fan wheel |
JP3843883B2 (en) * | 2002-04-22 | 2006-11-08 | 株式会社デンソー | Blower and blower cap manufacturing method |
CN202732499U (en) * | 2012-06-20 | 2013-02-13 | 重庆润通动力有限公司 | Mounting structure for cooling fan of generator |
JP5396868B2 (en) * | 2009-01-16 | 2014-01-22 | パナソニック株式会社 | Blower |
Family Cites Families (9)
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US2702087A (en) * | 1951-03-26 | 1955-02-15 | Schwitzer Cummins Company | Fan assembly |
DE7913075U1 (en) * | 1979-05-05 | 1979-08-16 | Papst-Motoren Kg, 7742 St Georgen | FAN WITH TUBE DRIVE MOTOR |
JPH03102094U (en) * | 1990-02-01 | 1991-10-24 | ||
US6200098B1 (en) * | 1999-07-01 | 2001-03-13 | Behr America, Inc. | Speed limited fan |
JP3849664B2 (en) * | 2003-04-09 | 2006-11-22 | 株式会社デンソー | Blower |
DE102011086379A1 (en) * | 2011-11-15 | 2013-05-16 | Robert Bosch Gmbh | Fan module of air conditioning system for motor car, has fan wheel whose hub is arranged on outside of externally polygonal shaped portion arranged opposite to the steel sleeve |
FR3022579B1 (en) * | 2014-06-23 | 2018-11-30 | Carrier Corporation | FASTENING RING FOR AIR TREATMENT UNIT TURBINE WHEEL AND AIR TREATMENT UNIT COMPRISING SUCH A FIXING ELEMENT |
JP6366389B2 (en) * | 2014-07-03 | 2018-08-01 | 株式会社日本クライメイトシステムズ | Fan mounting structure |
JP6340281B2 (en) * | 2014-08-04 | 2018-06-06 | 株式会社日本クライメイトシステムズ | Fan mounting structure |
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2017
- 2017-03-03 WO PCT/JP2017/008440 patent/WO2017154764A1/en active Application Filing
- 2017-03-03 JP JP2018504442A patent/JPWO2017154764A1/en active Pending
- 2017-03-03 CN CN201780014853.2A patent/CN108713102B/en not_active Expired - Fee Related
- 2017-03-03 EP EP17763104.1A patent/EP3428455A4/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3843883B2 (en) * | 2002-04-22 | 2006-11-08 | 株式会社デンソー | Blower and blower cap manufacturing method |
CN2563337Y (en) * | 2002-08-01 | 2003-07-30 | 林三原 | Matching structure of heat radiation fan |
CN2628760Y (en) * | 2003-06-02 | 2004-07-28 | 奇鋐科技股份有限公司 | Hub and shaft centre combine apparatus for fan wheel |
JP5396868B2 (en) * | 2009-01-16 | 2014-01-22 | パナソニック株式会社 | Blower |
CN202732499U (en) * | 2012-06-20 | 2013-02-13 | 重庆润通动力有限公司 | Mounting structure for cooling fan of generator |
Also Published As
Publication number | Publication date |
---|---|
EP3428455A1 (en) | 2019-01-16 |
CN108713102A (en) | 2018-10-26 |
EP3428455A4 (en) | 2019-11-13 |
WO2017154764A1 (en) | 2017-09-14 |
JPWO2017154764A1 (en) | 2019-01-10 |
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