CN208845419U - A kind of fan blade and bearing jointing structure and air conditioner - Google Patents
A kind of fan blade and bearing jointing structure and air conditioner Download PDFInfo
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- CN208845419U CN208845419U CN201821522908.9U CN201821522908U CN208845419U CN 208845419 U CN208845419 U CN 208845419U CN 201821522908 U CN201821522908 U CN 201821522908U CN 208845419 U CN208845419 U CN 208845419U
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Abstract
The utility model provides a kind of fan blade and bearing jointing structure and air conditioner, is related to field of air conditioning.The fan blade and bearing jointing structure include: polygon end axis, and polygon end axle position is suitable for rotating synchronously with the fan blade in the end of fan blade axis direction at least one end；And bearing, including the polygon inner hole matched with polygon end axis shape, the polygon inner hole is suitable for mating with polygon end axis and rotates synchronously.Fan blade and bearing jointing structure described in the utility model realize the connection of fan blade and bearing by the cooperation without relative rotation between polygon end axis and the polygon inner hole, and the ability for resisting dust is strong, noise, and easy disassembly are reduced, convenient for cleaning.
Description
Technical field
The utility model relates to air-conditioning manufacturing technology field, in particular to a kind of fan blade and bearing jointing structure and air-conditioning
Device.
Background technique
Air conditioner is internally provided with the fan blade of rotation, and for the ease of fan blade rotation, the axial end portion of fan blade is usually provided with
Circular shaft, in the prior art, circular shaft are often placed in circular hole bearing, and circular shaft and circular hole bearing are generally clearance sliding fit, and
Increase lubricating oil in circular hole bearing to reduce frictional force.But lubricating oil easily air-dries over time, and between circular shaft and circular hole bearing
Into after dust, frictional force can be increased, operation of air conditioner generates abnormal sound.And being dismounted for multiple times after cleaning blade, generates the possibility of abnormal sound
Property is bigger.
Utility model content
In view of this, the utility model is directed to a kind of fan blade and bearing jointing structure and air conditioner, to solve fan blade
Long-time is big using frictional force, is easy to produce the problem of abnormal sound.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of fan blade and bearing jointing structure, comprising:
Polygon end axis, polygon end axle position are suitable for and the wind in the end of fan blade axis direction at least one end
Leaf rotates synchronously；And
Bearing, including the polygon inner hole matched with polygon end axis shape, the polygon inner hole be suitable for
Polygon end axis is mating and rotates synchronously.
Further, polygon end axis is configured to the short axle extended along the fan blade axis direction, and described polygon
Shape end axis forms polygonized structure around own axes.
Further, the axis of polygon end axis is overlapped with the axis of the fan blade.
Further, the bearing includes outer sleeve and inner sleeve, and the inner sleeve and the outer sleeve relatively rotate, institute
The bearing seal cover for being additionally provided on bearing and being suitable for sealing the bearing movable region is stated, the bearing seal cover is between described outer
Between sleeve and the inner sleeve.
Further, the polygon inner hole is run through along the pivot center of the bearing by the inner sleeve and is formed.
Further, the polygon inner hole and polygon end axis are clearance fit.
Further, polygon end axis is hex-shaped shaft.
Further, the polygonal in form of the polygon inner hole to match with polygon end axis is in hexagon
Hole.
Further, the bearing is rolling bearing.
Compared with the existing technology, fan blade described in the utility model has the advantage that with bearing jointing structure
(1) bearing of the utility model uses rolling bearing, with traditional fan blade end axis and bearing fit form phase
Than the rotating manner of the utility model is changed to roll by sliding, and reduces frictional resistance, improves rotational efficienty, reduces friction
Generated noise；
(2) fan blade and bearing jointing structure provided by the utility model, pass through polygon end axis and the polygon
Inner hole clearance fit reaches being reliably connected for polygon end axis and the bearing；The polygon cooperation knot to be matched by shape
Structure realizes the synchronous rotation of fan blade and bearing, and relative motion is not present in the two, and the ability for resisting dust is strong, avoids because making for a long time
It is excessive with dust stratification, caused by frictional force increase and generate noise；And clearance fit easy disassembly, convenient for cleaning.
The another object of the utility model is to propose a kind of air conditioner, the air conditioner have fan blade described above with
Bearing jointing structure.
Possessed advantage is identical compared with the existing technology with bearing jointing structure for the air conditioner and above-mentioned fan blade, herein
It repeats no more.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the front view of the utility model fan blade and bearing jointing structure embodiment one；
Fig. 2 is the perspective view of one fan blade of the utility model embodiment；
Fig. 3 is the perspective view of one bearing of the utility model embodiment；
Fig. 4 is the front view of one functional shaft of the utility model embodiment；
Fig. 5 is the assembled state front view of the utility model fan blade and bearing jointing structure embodiment one；
Fig. 6 is the front view of the utility model fan blade and bearing jointing structure embodiment two；
Fig. 7 is the perspective view of the utility model fan blade and bearing jointing structure embodiment two；
Fig. 8 is the assembled state perspective view of the utility model fan blade and bearing jointing structure embodiment two；
Fig. 9 is the perspective view of the utility model fan blade and bearing jointing structure embodiment three；
Figure 10 is the assembled state front view of the utility model fan blade and bearing jointing structure embodiment three；
Figure 11 is the bearing perspective view of the utility model embodiment two, embodiment three；
Figure 12 is the integrated bearing perspective view one of the utility model embodiment four；
Figure 13 is the integrated bearing perspective view two of the utility model embodiment four；
Figure 14 is the front view of bearing seal cover of the present invention.
Description of symbols:
1- fan blade, 2- bearing, 3- functional shaft, 4- fan blade end axis, 5- outer sleeve, 6- inner sleeve, 7- circular inner hole, 8- circular shaft
Section, 9- polygon shaft part, 10- escape, 11- polygon functional shaft, 12- polygon end axis, 13- polygon end axis inner hole, 14-
Integral type inner sleeve, the first shaft part of 15-, the second shaft part of 16-, 17- polygon inner hole, 18- bearing seal cover.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment one
The utility model provides a kind of fan blade and bearing jointing structure, and as shown in Figs 1-4, the fan blade connect knot with bearing
Structure includes:
Fan blade end axis 4, is located at the end of 1 axis direction of fan blade at least one end, and fan blade end axis 4 is suitable for and the wind
Leaf 1 rotates synchronously；
Functional shaft 3, inside 3 first end of functional shaft at least part of insertion fan blade end axis 4, and with the fan blade
Axis 4 is held to rotate synchronously；And
The second end of bearing 2, the inner sleeve 6 of the bearing 2 and the functional shaft 3 is mating and rotates synchronously.
Fan blade end axis 4, the functional shaft 3, the bearing 2 sequentially connect, and then make fan blade end axis 4, described
Functional shaft 3, the inner sleeve 6 rotate synchronously；
Preferably, the axis of fan blade end axis 4 is overlapped with the axis of the fan blade 1；
Preferably, fan blade end axis 4 is recessed inwardly in the axial direction far from one end of the fan blade 1, and then formed more
Side shape end axis inner hole 13.
Preferably, 3 first end of functional shaft is polygon shaft part 9；The polygon shaft part 9 and fan blade end axis 4
13 clearance fit of polygon end axis inner hole, the polygon shaft part 9 is embedded in the polygon end axis inner hole 13, and then makes described
Functional shaft 3 and fan blade end axis 4 rotate synchronously；
Preferably, the polygon shaft part 9 matches with 13 shape of polygon end axis inner hole, the polygon shaft part
9 polygonal in form can be triangle, square, rectangle, pentagon, hexagon etc.；
The polygonal in form of the polygon end axis inner hole 13 to match with the polygon shaft part 9 may be triangle
Shape, square, rectangle, pentagon, hexagon etc..
Preferably, the inner sleeve 6 include circular inner hole 7, the circular inner hole 7 by the inner sleeve 6 in the axial direction
Through forming, 3 second end of functional shaft is the circular shaft section 8 to match with 7 shape of circular inner hole；The circular inner hole 7
It is interference fitted with the circular shaft section 8, so that the circular shaft section 8 be made to rotate synchronously with the inner sleeve 6；
The bearing 2 further includes outer sleeve 5, and in the stationary state, the inner sleeve 6 can be with respect to institute for the outer sleeve 5
It states outer sleeve 5 to relatively rotate, and then the circular shaft section 8 is made to be able to maintain stable synchronous rotation shape with the inner sleeve 6
State；
Preferably, the bearing 2 uses rolling bearing, the rolling bearing can be deep groove ball bearing, needle bearing, angle
Contact bearing, self-aligning ball bearing, self-aligning roller bearing, thrust ball bearing, self-aligning thrust roller bearing, cylinder roller bearing, circle
Taper roller bearing, roller bearing units etc. of usheing to seat.
Escape 10 is formed between the circular shaft section 8 and the polygon shaft part 9；The setting of escape 10 and the circle
Between shaft part 8 and the polygon shaft part 9, the convenient processing to the functional shaft 3.
Fan blade and bearing jointing structure provided by the utility model are added between fan blade end axis 4 and the bearing 2
One functional shaft 3；As shown in connection with fig. 5, by the circular shaft section 8 of the functional shaft 3 and the circle of the inner sleeve 6
The polygon end of the polygon shaft part 9 and fan blade end axis 4 of the interference fit connection of hole 7 and the functional shaft 3
13 clearance fit of axis inner hole reaches being reliably connected for fan blade end axis 4 and the bearing 2；It is described when the fan blade 1 rotates
Fan blade end axis 4 rotates synchronously, because the polygon end axis inner hole 13 and the polygon shaft part 9 cooperate, auxiliary section is not
There are the polygonized structures of relative motion, therefore between the two without relative motion；The circular shaft section 8 and 6 mistake of inner sleeve
It is full of cooperation, makes the inner sleeve 6 of the functional shaft 3 and the bearing 2 without relative motion.
The polygon shaft part 9 of the functional shaft 3 and 13 gap of polygon end axis inner hole of fan blade end axis 4
Cooperation, no relative rotation, the ability for resisting dust is strong, even if there is dust to enter the polygon shaft part 9 and the polygon end
In the gap of axis inner hole 13, noise will not be generated because increasing the functional shaft 3 and the friction of fan blade end axis 4；It avoids
Because be used for a long time dust stratification it is excessive, caused by frictional force increase and generate noise；And clearance fit easy disassembly, convenient for cleaning.
The bearing 2 of the utility model uses rolling bearing, with traditional fan blade end axis compared with bearing fit form,
The rotating manner of the utility model is changed to roll by sliding, and reduces frictional resistance, improves rotational efficienty, reduces friction and is produced
Raw noise.
Further, in conjunction with shown in Figure 14, bearing seal cover 18, the bearing seal cover 18 are provided on the bearing 2
Between the outer sleeve 5 and the inner sleeve 6, for sealing the moving region of the bearing 2, and then make the bearing 2
As sealing bearing, avoids dust from entering inside the bearing 2, reduce the generation of noise, make the lubricating oil in the bearing 2
It is longer with the time, it avoids often refueling, improve service life.
Embodiment two
Fan blade and bearing jointing structure as described above, the present embodiment are different from place and are, in conjunction with Fig. 6-8 and
Shown in Figure 11, as another way of realization of the utility model, the fan blade and bearing jointing structure are not provided with above-mentioned reality
Fan blade end axis 4 described in example one is applied, specific structure type is as follows, and the fan blade includes: with bearing jointing structure
Polygon end axis 12, polygon end axis 12 are located at the end of 1 axis direction of fan blade at least one end, are suitable for and institute
State the synchronous rotation of fan blade 1；And
Bearing 2, including the polygon inner hole 17 matched with 12 shape of polygon end axis, the polygon inner hole 17
Suitable for mating with polygon end axis 12 and rotate synchronously.
Preferably, the polygon inner hole 17 is specially clearance fit with the mating of polygon end axis 12.
Polygon end axis 12 is configured to the shaft part extended along 1 axis direction of fan blade, and polygon end axis
12 form polygonized structure around own axes.
The bearing 2 includes outer sleeve 5 and inner sleeve 6, and opposite turn can occur with the outer sleeve 5 for the inner sleeve 6
It is dynamic；The polygon inner hole 17, which is run through by the inner sleeve 6 along the pivot center of the bearing 2, to be formed；Polygon end axis
12 is mating with the polygon inner hole 17, so that polygon end axis 12 and the inner sleeve 6 of the bearing 2 be made to match
It closes and rotates synchronously；
Preferably, polygon end axis 12 matches with 17 shape of polygon inner hole, polygon end axis 12
Polygonal in form can be triangle, square, rectangle, pentagon, hexagon etc.；
The polygonal in form of the polygon inner hole 17 to match with polygon end axis 12 may be triangle,
Square, rectangle, pentagon, hexagon etc..
Preferably, the axis of polygon end axis 12 is overlapped with the axis of the fan blade 1；
Preferably, the bearing 2 uses rolling bearing, the rolling bearing can be deep groove ball bearing, needle bearing, angle
Contact bearing, self-aligning ball bearing, self-aligning roller bearing, thrust ball bearing, self-aligning thrust roller bearing, cylinder roller bearing, circle
Taper roller bearing, roller bearing units etc. of usheing to seat.
Fan blade and bearing jointing structure provided by the utility model, by polygon end axis 12 and the polygon
17 clearance fit of hole reaches being reliably connected for polygon end axis 12 and the bearing 2；Polygon end axis 12 with it is described polygon
Shape inner hole 17 cooperates, and, auxiliary section is that there is no the polygonized structures of relative motion, therefore transport between the two without opposite
It is dynamic；When the fan blade 1 rotates, polygon end axis 12 is rotated synchronously, and then synchronous with the fan blade 1 turn of the inner sleeve 6
It is dynamic；
The ability of dust is resisted in polygon end axis 12 and 17 clearance fit of polygon inner hole, no relative rotation
It by force, will not be because described in increase even if there is dust to enter in the gap of polygon end axis 12 and the polygon inner hole 17
The friction of polygon end axis 12 and the polygon inner hole 17 and generate noise；And clearance fit easy disassembly, convenient for cleaning.
The bearing 2 of the utility model uses rolling bearing, with traditional fan blade end axis compared with bearing fit form,
The rotating manner of the utility model is changed to roll by sliding, and reduces frictional resistance, improves rotational efficienty, reduces friction and is produced
Raw noise.
Further, in conjunction with shown in Figure 14, bearing seal cover 18, the bearing seal cover 18 are provided on the bearing 2
Between the outer sleeve 5 and the inner sleeve 6, for sealing the moving region of the bearing 2, and then make the bearing 2
As sealing bearing, avoids dust from entering inside the bearing 2, reduce the generation of noise, make the lubricating oil in the bearing 2
It is longer with the time, it avoids often refueling, improve service life.
Embodiment three
Fan blade and bearing jointing structure as described above, the present embodiment is different from place and is, in conjunction with Fig. 9-11 institute
Show, as another way of realization of the utility model, the fan blade and bearing jointing structure are not provided with above-described embodiment one
The functional shaft 3, specific structure type is as follows, and the fan blade includes: with bearing jointing structure
Fan blade end axis 4, is located at the end of 1 axis direction of fan blade at least one end, and fan blade end axis 4 is suitable for and the wind
Leaf 1 rotates synchronously；
Polygon functional shaft 11, inside at least part of insertion of polygon functional shaft 11 fan blade end axis 4, and with
Fan blade end axis 4 rotates synchronously；And
Bearing 2, including the polygon inner hole 17 matched with 11 shape of polygon functional shaft, the polygon inner hole
17 are suitable for and 11 clearance fit of polygon functional shaft and rotate synchronously.
The bearing 2 includes outer sleeve 5 and inner sleeve 6, and opposite turn can occur with the outer sleeve 5 for the inner sleeve 6
It is dynamic；The polygon inner hole 17, which is run through by the inner sleeve 6 along pivot center, to be formed；The polygon functional shaft 11 with it is described more
Side shape inner hole 17 is mating, to make the cooperation of the inner sleeve 6 of the polygon functional shaft 11 and the bearing 2 and synchronous
Rotation.
Preferably, the axis of fan blade end axis 4 is overlapped with the axis of the fan blade 1；
Preferably, fan blade end axis 4 is recessed inwardly in the axial direction far from one end of the fan blade 1, and then formed more
Side shape end axis inner hole 13.
The polygon functional shaft 11 whole is configured to polygonized structure, 11 first end of polygon functional shaft with it is described
The polygon end axis inner hole 13 of fan blade end axis 4 is mating；11 second end of polygon functional shaft and the polygon inner hole
17 is mating；Preferably, the polygon functional shaft 11 is clearance fit with the polygon end axis inner hole 13, it is described polygon
Shape functional shaft 11 and the polygon inner hole 17 are clearance fit.To make fan blade end axis 4, the polygon functional shaft
11, the inner sleeve 6 is sequentially connected and is rotated synchronously.
Preferably, the polygon functional shaft 11 matches with 13 shape of polygon end axis inner hole, the polygon
The polygonal in form of functional shaft 11 can be triangle, square, rectangle, pentagon, hexagon etc.；With the polygon function
The polygonal in form for the polygon end axis inner hole 13 that energy axis 11 matches may be triangle, square, rectangle, five jiaos
Shape, hexagon etc..
Preferably, the bearing 2 uses rolling bearing, the rolling bearing can be deep groove ball bearing, needle bearing, angle
Contact bearing, self-aligning ball bearing, self-aligning roller bearing, thrust ball bearing, self-aligning thrust roller bearing, cylinder roller bearing, circle
Taper roller bearing, roller bearing units etc. of usheing to seat.
Fan blade and bearing jointing structure provided by the utility model are added between fan blade end axis 4 and the bearing 2
One polygon functional shaft 11；The fit form of the polygon functional shaft 11 and the polygon end axis inner hole 13 is not
There are the polygonized structures of relative rotation, and the polygon functional shaft 11 is same as the fit form of the polygon inner hole 17
For there is no the polygonized structures of relative rotation, therefore, pass through 11 first end of polygon functional shaft and fan blade end axis 4
The connection of 13 clearance fit of polygon end axis inner hole and 11 second end of polygon functional shaft and the polygon inner hole 17
Clearance fit connection, reaches being reliably connected for fan blade end axis 4 and the bearing 2.
13 clearance fit of polygon end axis inner hole of the polygon functional shaft 11 and fan blade end axis 4, no phase
To rotation, the ability for resisting dust is strong, even if there is dust to enter the polygon functional shaft 11 and the polygon end axis inner hole
In 13 gap, noise will not be generated because increasing the polygon functional shaft 11 and the friction of fan blade end axis 4；
With 11 clearance fit of polygon functional shaft, easy disassembly is convenient for for fan blade end axis 4, the inner sleeve 6
Cleaning, is conveniently replaceable.
The bearing 2 of the utility model uses rolling bearing, with traditional fan blade end axis compared with bearing fit form,
The rotating manner of the utility model is changed to roll by sliding, and reduces frictional resistance, improves rotational efficienty, reduces friction and is produced
Raw noise.
Further, in conjunction with shown in Figure 14, bearing seal cover 18, the bearing seal cover 18 are provided on the bearing 2
Between the outer sleeve 5 and the inner sleeve 6, for sealing the moving region of the bearing 2, and then make the bearing 2
As sealing bearing, avoids dust from entering inside the bearing 2, reduce the generation of noise, make the lubricating oil in the bearing 2
It is longer with the time, it avoids often refueling, improve service life.
Example IV
Fan blade and bearing jointing structure as described above, the present embodiment is different from place and is, in conjunction with Figure 12,13 institutes
Show, as another way of realization of the utility model, the fan blade and bearing jointing structure are not provided with above-described embodiment one
The functional shaft 3, specific structure type is as follows, and the fan blade includes: with bearing jointing structure
Fan blade end axis 4, is located at the end of 1 axis direction of fan blade at least one end, and fan blade end axis 4 is suitable for and the wind
Leaf 1 rotates synchronously；
Bearing 2, including integral type inner sleeve 14, and by the integral type inner sleeve 14 wherein one end end face along axis side
To the first shaft part 15 of extension；First shaft part 15 is polygonized structure, at least part of insertion institute of first shaft part 15
It states inside fan blade end axis 4, and is rotated synchronously with fan blade end axis 4；
The integral type inner sleeve 14 is integrally formed with first shaft part 15；
The integral type inner sleeve 14 is configured to disc-shaped structure；
The bearing 2 further includes outer sleeve 5, and the outer sleeve 5 is configured to cirque structure, the integral type inner sleeve 14
Positioned at the inside of the outer sleeve 5 radially, opposite turn can occur with the outer sleeve 5 for the integral type inner sleeve 14
It is dynamic；
Preferably, the integral type inner sleeve 14 can relatively rotate with the outer sleeve 5 around same axis.
Fan blade end axis 4 is recessed inwardly in the axial direction far from one end of the fan blade 1, and then forms polygon end axis
Inner hole 13；
First shaft part 15 of the bearing 2 and 13 clearance fit of polygon end axis inner hole of fan blade end axis 4, institute
It states the first shaft part 15 and is embedded in the polygon end axis inner hole 13, and then make the integral type inner sleeve 14 and the wind of the bearing 2
End of blade axis 4 rotates synchronously；
Preferably, first shaft part 15 matches with 13 shape of polygon end axis inner hole, first shaft part 15
Polygonal in form can be triangle, square, rectangle, pentagon, hexagon etc.；
The polygonal in form of the polygon end axis inner hole 13 to match with first shaft part 15 may be triangle
Shape, square, rectangle, pentagon, hexagon etc..
Preferably, the bearing 2 uses rolling bearing, the rolling bearing can be deep groove ball bearing, needle bearing, angle
Contact bearing, self-aligning ball bearing, self-aligning roller bearing, thrust ball bearing, self-aligning thrust roller bearing, cylinder roller bearing, circle
Taper roller bearing, roller bearing units etc. of usheing to seat.
Fan blade and bearing jointing structure provided by the utility model, 14 end of integral type inner sleeve described in 2 points of the bearing
First shaft part 15 is extended in portion, the fit form of first shaft part 15 and the polygon end axis inner hole 13 be there is no
Therefore the polygonized structure of relative rotation passes through the polygon end axis inner hole 13 of first shaft part 15 and fan blade end axis 4
Clearance fit connection, reaches being reliably connected for fan blade end axis 4 and the bearing 2；
When the fan blade 1 rotates, fan blade end axis 4 is rotated synchronously, and then makes fan blade end axis 4 and the bearing 2
It moves synchronously.
13 clearance fit of polygon end axis inner hole of first shaft part 15 and fan blade end axis 4 turns without opposite
Dynamic, the ability for resisting dust is strong, even if there is dust to enter first shaft part 15 and the polygon end axis inner hole 13 cooperation
In gap, noise will not be generated because increasing the friction of first shaft part 15 and fan blade end axis 4；And clearance fit side
Just it dismounts, convenient for cleaning, is conveniently replaceable.
The bearing 2 of the utility model uses rolling bearing, with traditional fan blade end axis compared with bearing fit form,
The rotating manner of the utility model is changed to roll by sliding, and reduces frictional resistance, improves rotational efficienty, reduces friction and is produced
Raw noise.
Further, in conjunction with shown in Figure 14, bearing seal cover 18, the bearing seal cover 18 are provided on the bearing 2
Between the outer sleeve 5 and the integral type inner sleeve 14, for sealing the moving region of the bearing 2, and then make institute
Stating bearing 2 becomes sealing bearing, avoids dust from entering inside the bearing 2, reduces the generation of noise, make in the bearing 2
Lubricating oil is longer using the time, avoids often refueling, improve service life.
The integral type inner sleeve 14 can reduce the fan blade with first shaft part 15 integrated molding and connect with bearing
The amount of parts of structure reduces matching relationship, and then reduces the connecting portion for generating noise；Make the bearing 2 directly and institute
The connection of fan blade end axis 4 is stated, and type of attachment is the clearance fit of polygon, guarantees the stability of connection, reduces production cost.
Preferably, be additionally provided with the second shaft part 16 on the integral type inner sleeve 14, by the integral type inner sleeve 14 its
Second shaft part 16 is extended in middle one end end face first in the axial direction, and then extends first shaft part 15；
That is, along same axis direction, the integral type inner sleeve 14, second shaft part 16, first shaft part 15 according to
Sequence setting；
The integral type inner sleeve 14, second shaft part 16, first shaft part 15 are integrally formed；
Second shaft part 16 is set as circular shaft form, between the integral type inner sleeve 14 and first shaft part 15
Between, and directly engaged with the integral type inner sleeve 14, second shaft part 16 uses circular shaft form, and it is easy to process, it avoids
Processing difficulties caused by the integral type inner sleeve 14 is directly engaged with first shaft part 15 of polygonal in form.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of fan blade and bearing jointing structure characterized by comprising
Polygon end axis (12), polygon end axis (12) are located at the end of fan blade (1) axis direction at least one end, be suitable for
The fan blade (1) rotates synchronously；And
Bearing (2), including the polygon inner hole (17) matched with the polygon end axis (12) shape, the polygon inner hole
(17) it is suitable for mating with polygon end axis (12) and rotates synchronously.
2. fan blade according to claim 1 and bearing jointing structure, which is characterized in that polygon end axis (12) construction
For the shaft part extended along the fan blade (1) axis direction, and polygon end axis (12) forms polygon knot around own axes
Structure.
3. fan blade according to claim 2 and bearing jointing structure, which is characterized in that the axis of polygon end axis (12)
Line is overlapped with the axis of the fan blade (1).
4. fan blade according to claim 3 and bearing jointing structure, which is characterized in that the bearing (2) includes outer sleeve
(5) it is relatively rotated with inner sleeve (6), the inner sleeve (6) and the outer sleeve (5)；It is additionally provided with and is suitable on the bearing (2)
Seal the bearing seal cover (18) of the bearing (2) moving region, the bearing seal cover (18) between the outer sleeve (5) with
Between the inner sleeve (6).
5. fan blade according to claim 4 and bearing jointing structure, which is characterized in that the polygon inner hole (17) is by institute
Inner sleeve (6) is stated along the pivot center of the bearing (2) through forming.
6. fan blade according to claim 1 and bearing jointing structure, which is characterized in that the polygon inner hole (17) and institute
Stating polygon end axis (12) is clearance fit.
7. fan blade according to claim 5 and bearing jointing structure, which is characterized in that polygon end axis (12) is six
Angular axis.
8. fan blade according to claim 7 and bearing jointing structure, which is characterized in that with the polygon end axis (12) phase
The matched polygon inner hole (17) is hexagonal internal bore.
9. fan blade according to claim 1 and bearing jointing structure, which is characterized in that the bearing (2) is rolling bearing.
10. a kind of air conditioner, which is characterized in that the air conditioner includes fan blade and axis of any of claims 1-9
Hold connection structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522908.9U CN208845419U (en) | 2018-09-18 | 2018-09-18 | A kind of fan blade and bearing jointing structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821522908.9U CN208845419U (en) | 2018-09-18 | 2018-09-18 | A kind of fan blade and bearing jointing structure and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208845419U true CN208845419U (en) | 2019-05-10 |
Family
ID=66373236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821522908.9U Active CN208845419U (en) | 2018-09-18 | 2018-09-18 | A kind of fan blade and bearing jointing structure and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208845419U (en) |
-
2018
- 2018-09-18 CN CN201821522908.9U patent/CN208845419U/en active Active
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