CN208474192U - Centrifugal fan and air conditioner - Google Patents
Centrifugal fan and air conditioner Download PDFInfo
- Publication number
- CN208474192U CN208474192U CN201820973710.6U CN201820973710U CN208474192U CN 208474192 U CN208474192 U CN 208474192U CN 201820973710 U CN201820973710 U CN 201820973710U CN 208474192 U CN208474192 U CN 208474192U
- Authority
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- China
- Prior art keywords
- locating piece
- cushion blocking
- fan body
- lid
- centrifugal 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.)
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- 230000000903 blocking effect Effects 0.000 claims abstract description 103
- 238000013016 damping Methods 0.000 claims description 9
- 239000011324 bead Substances 0.000 claims description 8
- 230000014759 maintenance of location Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 10
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 235000008227 Illicium verum Nutrition 0.000 description 1
- 240000007232 Illicium verum Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 210000000554 iris Anatomy 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model proposes a kind of centrifugal fan and air conditioners, wherein centrifugal fan includes fan body, cushion blocking and lid, the fan body has centre bore, the cushion blocking is hollow, the cushion blocking and the fan body are coaxial, and the lid and the cushion blocking are respectively positioned on the fan body centre bore along axial side, and the lid is U-shaped, connection is detachably fixed between the lid and the fan body, to form accommodating chamber；The cushion blocking is closely set to the inside of the accommodating chamber, and connection is detachably fixed between the cushion blocking and the lid and between the cushion blocking and the fan body, and air conditioner includes above-mentioned centrifugal fan.The utility model can reduce the vibration generated when fan operation and noise.
Description
Technical field
The utility model belongs to air-conditioning technical field more particularly to a kind of centrifugal fan and air conditioner.
Background technique
Centrifugal fan is widely used in air conditioner, is to utilize centrifugal force by air by the rotation of impeller (blade)
The fan that side is discharged to circumferencial direction out of impeller, type have sirocco fan (sirocco fan), vortex flow fan
(turbo fan) etc..
As shown in Figure 1, existing centrifugal fan includes plastics fan body 1', outer ring aluminium core 2', rubber damping circle 3' and inner ring
Aluminium core 4', wherein plastics fan body 1' has centre bore, and outer ring aluminium core 2' is fixedly sheathed in inside the centre bore of plastics fan body 1', rubber
Glue damping ring 3' is located between outer ring aluminium core 2' and inner ring aluminium core 4', and inner ring aluminium core 4' is used to be socketed with machine shaft, with electricity
Machine shaft rotates synchronously；During fan injection molding, need outer ring aluminium core 2' and inner ring aluminium core 4' being preset in injection molding in advance
In mold, to be integrally machined molding with rubber damping circle 3'.
However, existing centrifugal fan is in preset outer ring aluminium core 2' and inner ring aluminium core 4', outer ring aluminium core 2' and inner ring aluminium
It is easy between core 4' there are biggish position error, so that outer ring aluminium core is low with inner ring aluminium core concentricity, leads to injection molding
Rubber damping irises out now serious bias, and circle bounce is excessive when in turn resulting in operation after fan forms, and is easy to produce larger vibration
And noise.
Utility model content
The utility model is directed to the technical issues of existing centrifugal fan, propose it is a kind of can reduce vibration and noise from
Heart fan, and the air conditioner using the centrifugal fan.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of centrifugal fan, including fan body, cushion blocking and lid, the fan body have centre bore, and the cushion blocking is hollow,
The cushion blocking and the fan body are coaxial, and the lid and the cushion blocking are respectively positioned on the fan body centre bore along axial side
Side, the lid is U-shaped, connection is detachably fixed between the lid and the fan body, to form accommodating chamber；The vibration damping
Pad is closely set to the inside of the accommodating chamber, between the cushion blocking and the lid and the cushion blocking with it is described
Connection is detachably fixed between fan body.
Preferably, offering multiple first through hole on the cushion blocking, multiple first through hole are in the fan body
Correspond to the first through hole on the circumferentially spaced arrangement of the axis in heart hole, the lid and the fan body to offer respectively
Multiple second through-holes and multiple third through-holes, so as to pass through bolt and spiral shell between the cushion blocking, the lid and the fan body
Mother is fixedly connected.
Preferably, multiple first through hole are arranged around the circumference array of the fan body centre bore.
Preferably, centrifugal fan further includes the motor that can drive the fan body rotation, the outside of the machine shaft is solid
Surely it is socketed with the first locating piece and the second locating piece, the cushion blocking is socketed on the outside of first locating piece, with described
First locating piece rotates synchronously, one end of first locating piece towards second locating piece, first locating piece it is another
One end is contacted with the cushion blocking, is clamped with applying with second locating piece from two sides of the cushion blocking to the cushion blocking
Power.
Preferably, the cushion blocking is provided in the axial direction with the first locating slot, second locating piece corresponds to described the
A positioning groove offers the second locating slot, and first locating piece has a circumferentially positioned portion, the shape in the circumferentially positioned portion with
First locating slot and second locating slot are identical, and the circumferentially positioned portion and first locating slot are cooperatively connected, with
Limit the circumferential movement of the cushion blocking, the circumferentially positioned portion and second locating slot are cooperatively connected, to limit described the
Two locating pieces circumferentially rotate.
Preferably, the shape of first locating slot be hexagram, pentalpha, octagonal star, it is octagonal it is arc-shaped,
Triangle or ellipse are one kind of.
Preferably, the shaft of first locating piece and the motor circumferentially cooperates, with the shaft of the motor
It circumferentially rotates synchronously, the shaft edge of first locating piece and the motor axially engages, to constrain first locating piece
The direction axially away from the cushion blocking along the machine shaft is moved, the shaft edge of second locating piece and the motor
It axially engages, is moved with constraining second locating piece along the direction axially away from the cushion blocking of the machine shaft.
Preferably, the shaft of the motor has circumferential limiting slot, first locating piece is internally corresponding to circumferential direction
Limiting slot is formed with circumferential retention bead, and the circumferential direction retention bead and the circumferential limiting slot are cooperatively connected, so that described the
A positioning block is rotated synchronously with the shaft of the motor, and first locating piece has axial limiting slot, and the motor has axis
To positive stop lug boss, the axial limiting boss and the axial limiting slot cooperate, to constrain first locating piece along the electricity
The direction axially away from the cushion blocking of machine shaft is mobile, and one end of second locating piece is contacted with the cushion blocking, institute
The other end for stating the second locating piece is provided with locking nut, and the locking nut is connect with the shaft thread of the motor, described
Locking nut is contacted with second locating piece, to apply pressure to second locating piece.
Preferably, first gap is formed between first locating piece and second locating piece, so that described
A positioning block and second positioning block gap setting, if the depth of the first gap is L1, then L1Value range be set as
1mm≤L1≤ 2mm is formed with Second gap between the lid and the fan body, so that the lid and the fan body interval
Setting, if the depth of the Second gap is L2, then L2Value range be set as 1mm≤L2≤2mm。
A kind of air conditioner, including centrifugal fan, the centrifugal fan are centrifugal fan as described above.
Compared with prior art, it the advantages of the utility model and has the active effect that
1, the utility model centrifugal fan is by setting lid, and lid and cushion blocking is made to be removably connected to fan body
Centre bore is along axial side, when installing cushion blocking, it is only necessary to by the connection between cushion blocking and lid and cushion blocking and fan body
Position alignment connection, can preferably guarantee the positioning accuracy between cushion blocking and fan body, so as to reduce when fan body rotates
Circle bounce reduces the vibration generated when fan body rotation and noise, improves the stability of fan body rotation.In addition, this is practical new
Type also has the advantage that contact of the cushion blocking of (1) the utility model centrifugal fan with fan body relative to existing centrifugal fan
Area increases, so that cushion blocking plays better function of shock insulation；(2) the utility model centrifugal fan by by cushion blocking with
Fan body structure separates, and can avoid existing centrifugation according to different damping requirements and the cushion blocking of operating condition replacement different hardness
Fan needs the generation of the phenomenon that integral replacing fan because of overall processing, to reduce costs, improves versatility.
2, the utility model centrifugal fan is by setting the first locating piece and the second locating piece, and by the first locating piece and
Cushion blocking, is directly accurately located in the shaft of motor with this, is improved simultaneously by the close connection of the second locating piece and cushion blocking
The compactness that is connected between cushion blocking and fan body and cushion blocking and lid, so that circle when further reducing fan body rotation is jumped
It is dynamic, the vibration generated when fan body rotation and noise are reduced, and then further improve the stability in operational process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing centrifugal fan；
Fig. 2 is the structural schematic diagram of the utility model centrifugal fan；
Fig. 3 is the perspective view of the explosion of centrifugal fan in Fig. 2；
Fig. 4 is the structural schematic diagram of motor and the first locating piece in display Fig. 2；
Fig. 5 is Fig. 4 along axial full sectional view；
Fig. 6 is the structural schematic diagram for showing the second locating piece in Fig. 2；
Fig. 7 is Fig. 6 along axial full sectional view；
Fig. 8 is the partial enlargement diagram of part A in Fig. 2；
Fig. 9 is the partial enlargement diagram of part B in Fig. 2；
Figure 10 is one of the first locating piece, cushion blocking and structural schematic diagram of the second locating piece in display Fig. 3；
Figure 11 is the second structural representation for showing the first locating piece, cushion blocking and the second locating piece in Fig. 3；
Figure 12 is the third structural representation for showing the first locating piece, cushion blocking and the second locating piece in Fig. 3；
Figure 13 is show the structural schematic diagram of the first locating piece, cushion blocking and the second locating piece in Fig. 3 four；
Figure 14 is show the structural schematic diagram of the first locating piece, cushion blocking and the second locating piece in Fig. 3 five；
Figure 15 is show the structural schematic diagram of the first locating piece, cushion blocking and the second locating piece in Fig. 3 six；
In above each figure: 1', plastics fan body；2', outer ring aluminium core；3', rubber damping circle；4', inner ring aluminium core；1, fan body；
2, cushion blocking；3, lid；4, accommodating chamber；5, motor；6, the first locating piece；7, the second locating piece；8, the first locating slot；9,
Two locating slots；10, circumferentially positioned portion；11, circumferential limiting slot；12, circumferential retention bead；13, axial limiting boss；14, it locks
Nut.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case where being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be noted that term "inner", "outside", "upper", "lower", "front", "rear" etc.
The orientation or positional relationship of instruction is positional relationship based on the figure, is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are only used for description mesh
, it is not understood to indicate or imply relative importance.
Referring to figs. 2 and 3, a kind of centrifugal fan, in air conditioner comprising (such as rubber subtracts for fan body 1 and cushion blocking 2
Vibration pad), fan body 1 has centre bore, and cushion blocking 2 is hollow, and cushion blocking 2 and fan body 1 are coaxial, in order to reduce circle when fan body 1 rotates
Bounce, centrifugal fan further include lid 3, and lid 3 and cushion blocking 2 are respectively positioned on 1 centre bore of fan body along axial side, and lid 3 is in U
Type is detachably fixed connection between lid 3 and fan body 1, to form accommodating chamber 4；Cushion blocking 2 is closely set to accommodating chamber 4
Inside, this is closely arranged so that side wall and the inner sidewall of lid 3 and fan body 1 fitting of cushion blocking 2 contact, and by lid
The extruding of 3 inner sidewall and fan body 1, and keep compressive state, between cushion blocking 2 and lid 3 and cushion blocking 2 and fan body 1
Between be detachably fixed connection.
Based on above-mentioned, the utility model centrifugal fan makes lid 3 and cushion blocking 2 detachable by setting lid 3
1 centre bore of fan body is connected to along axial side, when cushion blocking 2 is installed, it is only necessary to by cushion blocking 2 and lid 3 and cushion blocking
Connecting portion between 2 and fan body 1 is aligned connection, can preferably guarantee the positioning accuracy between cushion blocking 2 and fan body 1, so as to
Enough reduce circle bounce when fan body 1 rotates, reduce the vibration generated when fan body 1 rotates and noise, improves the rotation of fan body 1
Stability.In addition, the utility model also has the advantage that (1) the utility model centrifugal fan relative to existing centrifugal fan
Cushion blocking 2 and the contact area of fan body 1 increase so that cushion blocking 2 plays better vibration isolation effect；(2) this is practical new
Type centrifugal fan, can be different hard according to different damping requirements and operating condition replacement by separating cushion blocking 2 and 1 structure of fan body
The cushion blocking 2 of degree avoids the phenomenon that existing centrifugal fan needs integral replacing fan because of overall processing generation, to reduce
Cost, improves versatility.
For the connection relationship between cushion blocking 2 and fan body 1 and cushion blocking 2 and lid 3, be specifically as follows: such as Fig. 2 and
Shown in Fig. 3, offer multiple first through hole on cushion blocking 2, multiple first through hole around 1 centre bore of fan body axis along the circumferential direction
It is alternatively arranged, multiple first through hole are preferably the circumference array setting around 1 centre bore of fan body, are corresponded on lid 3 and fan body 1
Multiple second through-holes and multiple third through-holes are offered respectively in first through hole, so as to lead between cushion blocking 2, lid 3 and fan body 1
It crosses bolt and nut is fixedly connected.
The vibration generated when in order to further decrease operation and noise, as shown in Figures 2 to 7, the utility model are centrifuged wind
Fan further includes the motor 5 that fan body 1 can be driven to rotate, and the external fixing sleeve of 5 shaft of motor is connected to the first locating piece 6 and the second positioning
Block 7, cushion blocking 2 are socketed on the outside of the first locating piece 6, to be rotated synchronously with the first locating piece 6, one end of the first locating piece 6
Towards the second locating piece 7, the other end of the first locating piece 6 is contacted with cushion blocking 2, with the second locating piece 7 from the two of cushion blocking 2
Lateral cushion blocking 2 applies clamping force.
Based on above-mentioned, the utility model centrifugal fan is by the first locating piece 6 of setting and the second locating piece 7, and by the
The close connection of a positioning block 6 and the second locating piece 7 and cushion blocking 2, is directly accurately located at motor 5 for cushion blocking 2 with this
In shaft, while the compactness connected between cushion blocking 2 and fan body 1 and cushion blocking 2 and lid 3 is improved, to further subtract
Circle bounce when small fan body 1 rotates, reduces the vibration generated when fan body 1 rotates and noise, and then further improve fortune
Stability during row.
, can be with for the connection relationship of the first locating piece 6 and the second locating piece 7 and cushion blocking 2 are as follows: as Fig. 2 to Fig. 7 with
And shown in Figure 10 to Figure 15, cushion blocking 2 is provided in the axial direction with the first locating slot 8, and the first locating slot 8 is preferably shaped to Magen David
Shape (as shown in Figure 10), pentalpha (as shown in figure 11), octagonal star (as shown in figure 12), illiciumverum are arc-shaped (such as Figure 13 institute
Show), triangle (as shown in figure 14) or oval (as shown in figure 15) it is one kind of, the second locating piece 7, which corresponds to first, to be determined
Position slot 8 offers the second locating slot 9, and the first locating piece 6 has circumferentially positioned portion 10, and the shape in circumferentially positioned portion 10 is fixed with first
Position slot 8 and the second locating slot 9 are identical, and circumferentially positioned portion 10 and the first locating slot 8 are cooperatively connected, to limit the circumferential direction of cushion blocking 2
Movement, circumferentially positioned portion 10 and the second locating slot 9 are cooperatively connected, to limit circumferentially rotating for the second locating piece 7.
It, can be with for the connection relationship between 5 shaft of the first locating piece 6 and motor are as follows: as shown in Figure 4 and Figure 5, first is fixed
Position block 6 and the shaft of motor 5 circumferentially cooperate, and are circumferentially rotated synchronously with the shaft with motor 5, the first locating piece 6 and motor 5
Shaft along axially engaging, moved with constraining the first locating piece 6 along the direction axially away from cushion blocking 2 of 5 shaft of motor, second
Locating piece 7 and the shaft edge of motor 5 axially engage, to constrain the second locating piece 7 along 5 shaft of motor axially away from cushion blocking 2
Direction it is mobile.
Specifically, first locating piece 6 is internally corresponding to as shown in figure 4, the shaft of motor 5 has circumferential limiting slot 11
Circumferential limiting slot 11 is formed with circumferential retention bead 12, and circumferential retention bead 12 is cooperatively connected with circumferential limiting slot 11, so that the
A positioning block 6 is rotated synchronously with the shaft of motor 5；As shown in figure 5, the first locating piece 6 has axial limiting slot, motor 5 has
Axial limiting boss 13, axial limiting boss 13 and axial limiting slot cooperate, to constrain the first locating piece 6 along 5 shaft of motor
Mobile axially away from the direction of cushion blocking 2, one end of the second locating piece 7 is contacted with cushion blocking 2, the other end of the second locating piece 7
It is provided with locking nut 14, locking nut 14 is connect with the shaft thread of motor 5, and locking nut 14 is contacted with the second locating piece 7,
To apply pressure to the second locating piece 7.The utility model centrifugal fan improves the effect of processing and dismounting by above-mentioned setting
Rate, to significantly reduce cost.
In order to further increase stability when centrifugal fan operation, as shown in Fig. 2, Fig. 8 and Fig. 9, the first locating piece 6 with
It is formed with first gap between second locating piece 7, so that the first locating piece 6 and the second locating piece 7 interval are arranged, if first gap
Depth be L1, then L1Value range be set as 1mm≤L1≤ 2mm, meanwhile, the second sky is formed between lid 3 and fan body 1
Gap, so that lid 3 and the interval of fan body 1 are arranged, if the depth of Second gap is L2, then L2Value range be set as 1mm≤L2≤
2mm makes the first locating piece 6 and second because of the flexible deformation of cushion blocking 2 can be avoided when centrifugal fan is run with this
It collides between locating piece 7 and between lid 3 and fan body 1, to further improve stabilization when centrifugal fan operation
Property.
Illustrate the utility model in order to clearer, below with regard to the utility model by taking Fig. 2 to embodiment shown in Fig. 7 as an example
Installation process explain:
When installation, motor 5 is fixed on electric machine support, the shaft of motor 5 is aligned with 6 axis hole of the first locating piece, two
Person passes through circumferential limiting slot 11 and circumferential retention bead 12 positions, and cushion blocking 2 and lid 3 are sheathed on to the outside of 5 shaft of motor,
And the circumferential limiting section 10 of the first locating slot 8 and the first locating piece 6 that make cushion blocking 2 is cooperatively connected, successively by connection bolt
It is tightened after connecting third through-hole, the first through hole of cushion blocking 2 and the second through-hole of lid 3 of fan body 1 by attaching nut, then
Second locating piece 7 is socketed on to the outside of 5 shaft of motor, by the second locating slot 9 and the first of cushion blocking 2 of the second locating piece 7
Locating slot 8 is aligned, so that the circumferentially positioned portion of the first locating piece 6 connects after passing through the first locating slot 8 with the cooperation of the second locating slot 9
It connects, washer and locking nut 14 are packed on the second locating piece 7 and tighten locking nut 14.
The utility model also proposes a kind of air conditioner, including centrifugal fan, and the specific structure of the centrifugal fan is referring to above-mentioned
Embodiment at least has above-described embodiment since this air conditioner uses whole technical solutions of above-mentioned all embodiments
Technical solution brought by all beneficial effects, this is no longer going to repeat them.
Claims (10)
1. a kind of centrifugal fan, including fan body (1) and cushion blocking (2), the fan body (1) has centre bore, the cushion blocking (2)
Hollow, the cushion blocking (2) and the fan body (1) are coaxial, it is characterised in that:
It further include lid (3), the lid (3) and the cushion blocking (2) are respectively positioned on the fan body (1) centre bore along axial side
Side, the lid (3) is U-shaped, is detachably fixed and connect between the lid (3) and the fan body (1), to form accommodating chamber
(4)；
The cushion blocking (2) is closely set to the inside of the accommodating chamber (4), the cushion blocking (2) and the lid (3) it
Between and the cushion blocking (2) and the fan body (1) between be detachably fixed and connect.
2. centrifugal fan according to claim 1, it is characterised in that: it is logical to offer multiple first on the cushion blocking (2)
Hole, multiple first through hole around the fan body (1) centre bore the circumferentially spaced arrangement of axis, the lid (3) and
Correspond to the first through hole on the fan body (1) and offer multiple second through-holes and multiple third through-holes respectively, so that described
It is fixedly connected between cushion blocking (2), the lid (3) and the fan body (1) by bolt and nut.
3. centrifugal fan according to claim 2, it is characterised in that: multiple first through hole are in the fan body (1)
The circumference array in heart hole is arranged.
4. centrifugal fan according to claim 1, it is characterised in that: further include the electricity that the fan body (1) can be driven to rotate
The external fixing sleeve of machine (5), motor (5) shaft is connected to the first locating piece (6) and the second locating piece (7), the cushion blocking
(2) it is socketed on the outside of first locating piece (6), to be rotated synchronously with first locating piece (6), first locating piece
(6) one end is contacted towards second locating piece (7), the other end of first locating piece (6) with the cushion blocking (2),
To apply clamping force from two sides of the cushion blocking (2) to the cushion blocking (2) with second locating piece (7).
5. centrifugal fan according to claim 4, it is characterised in that: it is fixed that the cushion blocking (2) is provided in the axial direction with first
Position slot (8), second locating piece (7) correspond to first locating slot (8) and offer the second locating slot (9), and described first
Locating piece (6) has circumferentially positioned portion (10), the shape of the circumferentially positioned portion (10) and first locating slot (8) and described
Second locating slot (9) is identical, and the circumferentially positioned portion (10) and first locating slot (8) are cooperatively connected, to subtract described in limitation
The circumferential movement of vibration pad (2), the circumferentially positioned portion (10) and second locating slot (9) are cooperatively connected, to limit described the
Two locating pieces (7) circumferentially rotate.
6. centrifugal fan according to claim 5, it is characterised in that: the shape of first locating slot (8) is Magen David
Shape, pentalpha, octagonal star, octagonal arc-shaped, triangle or ellipse are one kind of.
7. centrifugal fan according to claim 5, it is characterised in that: first locating piece (6) and the motor (5)
Shaft circumferentially cooperates, and is circumferentially rotated synchronously with the shaft with the motor (5), first locating piece (6) and the electricity
The shaft of machine (5) is along axially engaging, to constrain first locating piece (6) along the motor (5) shaft axially away from described
The direction of cushion blocking (2) is mobile, and second locating piece (7) and the shaft edge of the motor (5) axially engage, described in constraint
Second locating piece (7) is mobile along the direction axially away from the cushion blocking (2) of the motor (5) shaft.
8. centrifugal fan according to claim 7, it is characterised in that: the shaft of the motor (5) has circumferential limiting slot
(11), the circumferential limiting slot (11) that is internally corresponding to of first locating piece (6) is formed with circumferential retention bead (12), the week
It is cooperatively connected to retention bead (12) and the circumferential limiting slot (11), so that first locating piece (6) is with the motor (5)
Shaft rotate synchronously, first locating piece (6) have axial limiting slot, the motor (5) have axial limiting boss
(13), the axial limiting boss (13) and the axial limiting slot cooperate, to constrain first locating piece (6) along the electricity
The direction axially away from the cushion blocking (2) of machine (5) shaft is mobile, one end of second locating piece (7) and the vibration damping
Pad (2) contact, the other end of second locating piece (7) is provided with locking nut (14), the locking nut (14) with it is described
The shaft thread of motor (5) connects, and the locking nut (14) contacts with second locating piece (7), with fixed to described second
Position block (7) applies pressure.
9. the centrifugal fan according to any one of claim 4-8, it is characterised in that: first locating piece (6) and institute
It states and is formed with first gap between the second locating piece (7), so that between first locating piece (6) and second locating piece (7)
Every setting, if the depth of the first gap is L1, then L1Value range be set as 1mm≤L1≤ 2mm, the lid (3) with
It is formed with Second gap between the fan body (1), so that the lid (3) and the fan body (1) interval are arranged, if described second
The depth in gap is L2, then L2Value range be set as 1mm≤L2≤2mm。
10. a kind of air conditioner, it is characterised in that: including centrifugal fan, the centrifugal fan is such as any one of claim 1-9
The centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820973710.6U CN208474192U (en) | 2018-06-22 | 2018-06-22 | Centrifugal fan and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820973710.6U CN208474192U (en) | 2018-06-22 | 2018-06-22 | Centrifugal fan and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474192U true CN208474192U (en) | 2019-02-05 |
Family
ID=65214951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820973710.6U Expired - Fee Related CN208474192U (en) | 2018-06-22 | 2018-06-22 | Centrifugal fan and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474192U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547792A (en) * | 2018-06-22 | 2018-09-18 | 海信（山东）空调有限公司 | Centrifugal fan and air conditioner |
| CN109931298A (en) * | 2019-04-25 | 2019-06-25 | 贵州大学 | A kind of anti-eccentric system of single shaft for small-sized fans bearing |
-
2018
- 2018-06-22 CN CN201820973710.6U patent/CN208474192U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108547792A (en) * | 2018-06-22 | 2018-09-18 | 海信（山东）空调有限公司 | Centrifugal fan and air conditioner |
| CN109931298A (en) * | 2019-04-25 | 2019-06-25 | 贵州大学 | A kind of anti-eccentric system of single shaft for small-sized fans bearing |
| CN109931298B (en) * | 2019-04-25 | 2020-12-08 | 贵州大学 | Single-shaft anti-eccentricity system for small fan bearing |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190205 |