CN209414212U - Electric fan head assembly and electric fan - Google Patents
Electric fan head assembly and electric fan Download PDFInfo
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- CN209414212U CN209414212U CN201821978782.6U CN201821978782U CN209414212U CN 209414212 U CN209414212 U CN 209414212U CN 201821978782 U CN201821978782 U CN 201821978782U CN 209414212 U CN209414212 U CN 209414212U
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- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
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Abstract
The utility model provides an electric fan head assembly and electric fan. Electric fan head assembly includes: the fan blade is provided with a mounting hole in the center; the shaft sleeve is fixedly arranged in the mounting hole, and a first eccentricity preventing part is arranged in a shaft hole of the shaft sleeve; the knob is detachably arranged at the top of the shaft sleeve; the motor comprises an inner insert and a motor, wherein the inner insert is fixedly installed on an output shaft of the motor, the output shaft of the motor penetrates through the inner insert and then is fixedly connected with a knob, and a second eccentric prevention part matched with the first eccentric prevention part is arranged on the inner insert. The utility model discloses can prevent to take place between axle sleeve and the interior inserts to assemble off-centre, reduce the unbalanced mass of electric fan head assembly, and then reduce fan blade and electric fan head assembly's shake, improve electric fan head assembly's operation stationarity.
Description
Technical field
The utility model relates to blower technical fields, in particular to a kind of electric fan head component and electric fan.
Background technique
Currently, can all occur fan head in electric fan product at home and abroad and swing and upper and lower jitter conditions, sternly
Ghost image rings smoothness of operation.In the category of fan, common stand fan, direct current stand fan, slide fan, rectangular fan, different type of machines
All there is this resonance problem.
Currently, the peg-in-hole assembly structure of fan is as shown below.Due to the presence of mismachining tolerance, fan blade inner hole of shaft sleeve and electricity
The fit clearance of arbor is larger.Since fit clearance exists always, the problem of shaft hole matching is easy to appear setting-up eccentricity, occurs such as
Situation shown in Fig. 2.
Currently, portioned product is eccentric for assembly fan blade, the vibration problem that caused fan unbalance mass, increases is used
Machining accuracy is improved, the method for fit-up gap is reduced, not only significantly increases the cost of production and processing, and assemble and disassemble to user
Fan blade increases difficulty.
As shown in Figures 1 to 3, existing electric fan head modular construction is by fan blade knob 1, fan blade 2, axle sleeve 3, gasket 4, card
Spring 5 and motor 6 form.
As shown in Fig. 2, existing technical solution is that axle sleeve 3 and motor 6 are all made of motor shaft and face cooperation directly, the program is such as
Fruit uses biggish fit clearance, is easy to happen assembly bias, unbalance mass, is caused to increase, and electric fan head shake is serious,
Influence smoothness of operation.In addition, if the scheme in Fig. 2 is improved using lesser fit clearance so that difficulty of processing increases
Processing cost, and it is difficult to cause user to assemble and disassemble, and affects user experience.
Axle sleeve 3 and motor 6 cooperate bias to motor shaft, just will increase rotation unbalance mass, that is, vibration exciting force
Increase.Exciting force increases, and will lead to fan and increases in interval of resonance internal vibration amplitude and section, influences the steady of head operating
Property.Present most products, which use, to be swung section and is shaking the method that section is not provided with gear, but seriously affect gear it
Between speed spans uniformity, influence user experience, reduce product competitiveness in the market, weaken brand influence.
Utility model content
The main purpose of the utility model is to provide a kind of electric fan head component and electric fans, to solve the prior art
In the fan blade assembly of electric fan be easy bias, caused fan head swings and the problem of shakes up and down.
To achieve the goals above, one aspect according to the present utility model provides a kind of electric fan head component, packet
Include: the center of fan blade, the fan blade is provided with mounting hole；Axle sleeve, the axle sleeve are fixedly mounted in the mounting hole, the axis
First anti-eccentric part is set in the axis hole of set；Knob, the knob are removably mounted on the top of the axle sleeve；Embedded component and
Motor, the embedded component are fixedly mounted on the output shaft of the motor, after the output shaft of the motor passes through the embedded component
It is fixedly connected with the knob, the second anti-eccentric part with the described first anti-eccentric part cooperation is provided on the embedded component.
Further, the described first anti-eccentric part is first conical surface being formed on the inner wall of the axis hole；Described
Two anti-eccentric parts are to be formed in the embedded component outer surface and second conical surface with first cone match.
Further, first conical surface includes the axially spaced-apart setting along the axis hole and consistent first cone of gradient
Face section and the second conical surface section；Second conical surface includes the axially spaced-apart setting along the embedded component and the consistent third conical surface of gradient
Section and the 4th conical surface section；First conical surface section and the third conical surface section cooperate, second conical surface section and the 4th cone
Face section cooperation.
Further, there is cylindrical surface and the 5th conical surface section, institute between the third conical surface section and the 4th conical surface section
The bottom that cylindrical surface is connected to the third conical surface section is stated, the 5th conical surface section is connected to the cylindrical surface and the 4th conical surface section
Between, and the gradient of the 5th conical surface section is greater than the gradient of the 4th conical surface section.
Further, be provided with internal screw thread on the knob, the top of the output shaft of the motor be provided with it is described interior
The compatible external screw thread of screw thread.
Further, circular inner ledge is provided at the top of the axis hole, first conical surface section is formed in the annular
On the inner wall of inward flange, second conical surface section is formed in the inner wall that the axis hole is located at the circular inner ledge bottom
On.
Further, the bottom of the circular inner ledge has the first limiting stand terrace, the cylindrical surface and the third
There is the second limiting stand terrace, the first limiting stand terrace is adapted with the second limiting stand terrace between conical surface section.
Further, it is provided with location hole in the axial direction of the embedded component, shrinkage cavity section is provided at the top of the location hole,
The output shaft of the motor is threaded through the positioning hole, and the top of the output shaft and the shrinkage cavity section are interference fitted；Institute
The bottom for stating shrinkage cavity section has the first catching step face, is provided on the output shaft and the cooperation of first catching step face
Second catching step face.
Further, the location hole is provided with tight fit section, the output shaft of the motor far from one end of the knob
On be provided with the tight fit section interference fit the First stage.
Further, position of the location hole between the shrinkage cavity section and the tight fit section is clearance fit
Section has the second predetermined gap between the clearance fit section and the output shaft of the motor.
Further, the bottom end of the embedded component is provided with the first radial pin hole, is provided on the output shaft of the motor
The output shaft of the second radial pin hole corresponding with the first radial direction pin hole, the embedded component and the motor is by being threaded through
The first radial pin hole is stated to be fixedly connected with the positioning pin in the described second radial pin hole.
Further, the both ends of the positioning pin protrude from the outer edge of the embedded component, the bottom setting of the axle sleeve
There is the opening portion with the detent fit.
Further, limiting groove is provided in the middle part of the fan blade, the mounting hole is located at the bottom of the limiting groove
Portion center, the periphery of the axle sleeve is provided with outward flange compatible with the limiting groove.
Another convenience according to the present utility model, provides a kind of electric fan, including nose assembly, and the nose assembly is
Above-mentioned electric fan head component.
Using the technical solution of the utility model, when electric fan head component in actual assembled the utility model, first
Axle sleeve is fixed in mounting hole, then embedded component is fixedly mounted on the output shaft of motor, finally to install embedded component
Output shaft be mounted in axle sleeve, and be fixedly connected by knob with output shaft.In the process, by the inner wall of axis hole
The first anti-eccentric part and embedded component on the second anti-eccentric part mating reaction, can prevent from occurring between axle sleeve and embedded component
Assembly is eccentric, reduces electric fan head component unbalance mass, and then reduce the shake of fan blade and electric fan head component, improves
The running stability of electric fan head component.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 diagrammatically illustrates the exploded view of existing electric fan head component；
Fig. 2 diagrammatically illustrates the enlarged partial sectional view at the axle sleeve of existing electric fan head component；
View when Fig. 3 diagrammatically illustrates existing electric fan head component appearance bias situation after partial cut-away；
Fig. 4 diagrammatically illustrates the exploded view of the electric fan head component of the utility model；
Fig. 5 diagrammatically illustrates the cross-sectional view of the electric fan head component of the utility model；
Fig. 6 diagrammatically illustrates the enlarged partial sectional view at the electric fan head component axle sleeve of the utility model；
Fig. 7 diagrammatically illustrates the perspective view of the embedded component of the electric fan head component of the utility model；
Fig. 8 diagrammatically illustrates the perspective view of the axle sleeve of the electric fan head component of the utility model；And
Fig. 9 diagrammatically illustrates the perspective view of the motor of the electric fan head component of the utility model.
Wherein, the above drawings include the following reference numerals:
10, fan blade；11, mounting hole；12, limiting groove；20, axle sleeve；21, axis hole；212, the first anti-eccentric part；2121,
First conical surface section；2122, the second conical surface section；222, opening portion；23, outward flange；24, circular inner ledge；25, the first limited step
Face；30, embedded component；32, the second anti-eccentric part；321, third conical surface section；322, the 4th conical surface section；323, cylindrical surface；324,
Five conical surface sections；33, the first radial pin hole；35, location hole；351, shrinkage cavity section；352, clearance fit section；353, tight fit section；37,
Second limiting stand terrace；38, the first catching step face；40, motor；41, output shaft；411, the First stage；413, external screw thread；
414, the second catching step face；42, the second radial pin hole；50, positioning pin；60, knob；61, internal screw thread.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Referring to fig. 4 to shown in Fig. 9, embodiment according to the present utility model provides a kind of electric fan head component, the electricity
Fan nose assembly includes fan blade 10, axle sleeve 20, knob 60, embedded component 30 and motor 40.
Wherein, the center of fan blade 10 is provided with mounting hole 11；Axle sleeve 20 is fixedly mounted in mounting hole 11, the axis of axle sleeve 20
First anti-eccentric part 212 is set in hole 21；Knob 60 is removably mounted on the top of axle sleeve 20；Embedded component 30 is fixedly mounted on
On the output shaft 41 of motor 40, the output shaft 41 of motor 40 is fixedly connected after passing through embedded component 30 with knob 60, on embedded component 30
It is provided with the second anti-eccentric part 32 cooperated with the first anti-eccentric part 212.
When electric fan head component in actual assembled the present embodiment, axle sleeve 20 is fixed in mounting hole 11 first, so
Embedded component 30 is fixedly mounted on the output shaft 41 of motor 40 afterwards, is mounted on the output shaft for installing embedded component 30 41
In axle sleeve 20, and it is fixedly connected by knob 60 with output shaft 41.In the process, pass through first on the inner wall of axis hole 21
The mating reaction of the second anti-eccentric part 32 on anti-eccentric part 212 and embedded component 30, can prevent axle sleeve 20 and embedded component 30 it
Between to occur assembly eccentric, reduce electric fan head component unbalance mass, and then reduce fan blade 10 and electric fan head component
Shake improves the running stability of electric fan head component.
Motor 40 in the present embodiment can be direct current generator, can also be alternating current generator.The flabellum of fan blade 10 is not limited to
Seven flabellums are also possible to other any type of flabellums.
Preferably, the middle part of the fan blade 10 in the present embodiment is provided with limiting groove 12, and mounting hole 11 is located at limiting groove
12 bottom center, the periphery of axle sleeve 20 are provided with outward flange 23 compatible with limiting groove 12, convenient for carrying out to axle sleeve 20
Limit.When actual installation, axle sleeve 20 can be adhesively fixed in mounting hole 11, can also be solid by structures such as bolt or screws
Dingan County is in mounting hole, as long as other modes of texturing under the design of the utility model, in the guarantor of the utility model
Within the scope of shield.
Preferably, the first anti-eccentric part 212 in the present embodiment is first conical surface being formed on the inner wall of axis hole 21；
Accordingly, the second anti-eccentric part 32 is to be formed in 30 outer surface of embedded component and second conical surface with the first cone match, described
The gradient of one conical surface is equal with the gradient of second conical surface.By the mating reaction of first conical surface and second conical surface, axis can be realized
The intimate contact of set 20 and embedded component 30, the bias for reducing the assembly of electric fan head component may.
In conjunction with shown in Fig. 5 and Fig. 7, first conical surface in the present embodiment include along axis hole 21 axially spaced-apart setting and tiltedly
Spend consistent first conical surface section 2121 and the second conical surface section 2122；Second conical surface include along embedded component 30 axially spaced-apart setting,
And the consistent third conical surface section 321 of gradient and the 4th conical surface section 322；When actual assembled, the first conical surface section 2121 and the third conical surface
Section 321 cooperates, and the second conical surface section 2122 and the 4th conical surface section 322 cooperate.
Pass through spaced first conical surface section 2121 and the second conical surface section 2122 and spaced third conical surface section 321
The form being cooperatively connected with the 4th conical surface section 322, can reduce the contact area between embedded component 30 and axle sleeve 20, avoid dismounting
There is stuck phenomenon during electric fan head component.
When actual design, the third conical surface section 321 in the present embodiment and between the 4th conical surface section 322 have cylindrical surface 323
With the 5th conical surface section 324, cylindrical surface 323 is connected to the bottom of third conical surface section 321, and the 5th conical surface section 324 is connected to cylindrical surface
323 and the 4th between conical surface section 322, and the gradient of the 5th conical surface section 324 is greater than the gradient of the 4th conical surface section 322.Pass through cylinder
The effect in face 323 and the 5th conical surface section 324 can play guiding role in an assembling process, additionally it is possible to so that 323 He of cylindrical surface
The form that clearance fit is formed between 5th conical surface section 324 and the inner wall of axis hole 21, is reduced between embedded component 30 and axle sleeve 20
Contact area avoids stuck phenomenon occur during dismounting electric fan head component.
It recombines shown in Fig. 4 to Fig. 9, the top of axis hole 21 is provided with circular inner ledge 24,2121 shape of the first conical surface section
At on the inner wall of circular inner ledge 24, the second conical surface section 2122 is formed in axis hole 21 and is located at the interior of 24 bottom of circular inner ledge
On wall surface, structure is simple, easy to process.
The bottom of circular inner ledge 24 has the first limiting stand terrace 25, has between cylindrical surface 323 and third conical surface section 321
There is the second limiting stand terrace 37, the first limiting stand terrace 25 is adapted with the second limiting stand terrace 37, convenient for embedded component 30
Upper end is limited.
For the ease of the output shaft 41 of motor 40 links together with knob 60, it is provided on the knob 60 in this implementation
Internal screw thread 61, the top of output shaft 41 is provided with external screw thread 413 compatible with internal screw thread 61, easy to disassemble.Certainly, in this reality
It in novel other embodiments, can also be fixed by structures such as screw or bolts between embedded component 30 and knob 60, only
If other modes of texturing under the design of the utility model, both are within the protection scope of the present invention.
For the ease of embedded component 30 being mounted on the output shaft 41 of motor 40, the axial direction of the embedded component 30 in the present embodiment
On be provided with location hole 35, the top of the location hole 35 is provided with shrinkage cavity section 351, when installation, so that the output shaft 41 of motor 40
In location hole 35, the top of the output shaft 41 of motor 40 is provided with to be interference fitted with shrinkage cavity section 351 for transmission, is easy to implement output
The blind-mate of axis 41 and embedded component 30.The bottom of shrinkage cavity section 351 has the first catching step face 38, is arranged on output shaft 41
Have with the first catching step face 38 cooperation the second catching step face 414, when embedded component 30 is assembled in output shaft 41, convenient for pair
Embedded component 30 is limited.
Accordingly, the location hole 35 in the present embodiment is provided with tight fit section 353 far from one end of knob 60, motor 40
It is provided with the First stage 411 being interference fitted with tight fit section 353 on output shaft 41, be further ensured that output shaft 41 and embeds
The blind-mate of part 30.
When assembling, position of the location hole 35 between shrinkage cavity section 351 and tight fit section 353 is clearance fit section 352,
Gap, which cooperates, has the second predetermined gap between section 352 and the output shaft 41 of motor 40, can reduce embedded component 30 and output shaft 41
There is stuck phenomenon in mode disassembly process in contact area.
In order to which embedded component 30 and the output shaft 41 of motor 40 to be fixed together, the bottom end of embedded component 30 is provided with
One radial pin hole 33 is provided with second radial pin hole 42 corresponding with the first radial pin hole 33 on the output shaft 41 of motor 40, interior
The output shaft 41 of inserts 30 and motor 40 passes through the positioning pin 50 that is threaded through in the first radial pin hole 33 and the second radial pin hole 42
It is fixedly connected.
The both ends of positioning pin 50 protrude from the outer edge of embedded component 30, and the bottom of axle sleeve 20 is provided with to be cooperated with positioning pin 50
Opening portion 222.When assembling, the card of positioning pin 50 is arranged in opening portion 222, convenient for the fan blade 10 and axle sleeve fitted together
20 lower end is limited, and can prevent embedded component 30 and axle sleeve 20 from relative displacement occurs, convenient for screwing knob 60, and then quickly
Knob 60 is tightened to the top of embedded component 30.
As shown in Fig. 5, Fig. 6, Fig. 7, when the utility model assembles, firstly, axle sleeve 20 is bonded in the mounting hole on fan blade 10
In 11, then embedded component 30 is assembled on the output shaft 41 of motor 40, passes through the first catching step face 38 and First stage 411
The axial limiting for realizing embedded component 30 is inserted into positioning pin 50 in the first radial pin hole 33 and the second radial pin hole 42, has realized
Full limit.Then fan blade 10 is assembled on embedded component 30,10 lower end of fan blade passes through opening portion 222 and positioning pin on axle sleeve 20
50 cooperations, upper end are limited by screwing knob 60, realize axial and circumferential limit.
Shrinkage cavity section 351 on 41 upper end of output shaft of motor 40 and embedded component 30 is interference fitted, the upper contracting of embedded component 30
Hole section 351 can reduce fit clearance, increase coupling mechanism force, First stage 411 and embedded component on the output shaft 41 of motor 40
30 tight fit section 353 is formed interference fit, clearance fit section 352 and output shaft 41 and is cooperated using small―gap suture.This cooperation side
Formula can effectively guarantee blind-mate between embedded component 30 and output shaft 41, easy to disassemble.
Embedded component 30 and 20 first conical surface of axle sleeve and second conical surface form inclined-plane cooperation, and this cooperation is matched relative to existing
Conjunction is compared, and is guaranteed that fit-up gap is smaller and reduces shaft hole matching and is assembled eccentric situation, reduces unbalance mass, effectively subtract
The amplitude of small handpiece vibration.Intermediate part is not contacted with axle sleeve between first conical surface and the second cone match face, the 5th conical surface
The gradient of section 324 is greater than the gradient on mating surface inclined-plane, primarily serves the effect of assembly guiding, in place and prevents convenient for user assembled
Only first conical surface and the second cone-shaped contact area are too big, caused stuck problem.The second limited step on embedded component 30
The step structure of the first limiting stand terrace 25 on face 37 and axle sleeve 20, can play the role of limit, so that user installation wind
When leaf 10, be not between contact surface pressure it is excessive, it is difficult to the problem of dismantling.
The utility model is straight instead of original axle sleeve and output shaft by way of first conical surface and the second cone match
The form of face cooperation can effectively avoid assembling not positive problem, can be with effective solution fan blade and motor assembly axis hole dress
With there is gap, reducing unbalance mass, improving the stationarity of fan running.In addition, the output of embedded component and motor
Axis cooperation uses the form of interference fit, and inside contracts hole section in embedded component matching surface increase, increases coupling mechanism force and continuously
Gap cooperation.Embedded component and axle sleeve use the form of inclined-plane cooperation, ensure that blind-mate.By way of increasing embedded component,
Solve the problems, such as that inclined-plane is processed directly on the output shaft of motor to be difficult to.And contact of incline plane is compared with facing contact directly,
User installation is more easier, and contact of incline plane can prevent from assembling stuck by the way of localized contact, dismantles difficult problem.
Structure and existing structure are verified on identical model machine after improvement, and there is 120RPM in existing structure vibration section, are improved
There is 80RPM in structural vibration section, and effect is obvious, as shown in table 1.
Table 1:
Another aspect according to the present utility model, provides a kind of electric fan, including nose assembly, and nose assembly is above-mentioned
Electric fan head component in embodiment.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
The embedded component and fan blade axle sleeve of the utility model use the form of contact of incline plane, effectively avoid fan blade installation inclined
The heart, caused unbalance mass, increase, the serious problem of handpiece vibration in interval of resonance.Embedded component and motor shaft are using part
The form of interference fit, and increase salient point in contact surface, the blind-mate of embedded component and motor shaft may be implemented and mention
High coupling mechanism force.Embedded component and fan blade axle sleeve local slope and step position limiting structure can be convenient assembly fan blade, and effectively solve
Fan blade is stuck, it is difficult to the problem of dismantling.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (14)
1. a kind of electric fan head component characterized by comprising
The center of fan blade (10), the fan blade (10) is provided with mounting hole (11)；
Axle sleeve (20), the axle sleeve (20) are fixedly mounted in the mounting hole (11), in the axis hole (21) of the axle sleeve (20)
First anti-eccentric part (212) is set；
Knob (60), the knob (60) are removably mounted on the top of the axle sleeve (20)；
Embedded component (30) and motor (40), the embedded component (30) are fixedly mounted on the output shaft (41) of the motor (40),
The output shaft (41) of the motor (40) passes through the embedded component (30) and is fixedly connected afterwards with the knob (60), the embedded component
(30) the second anti-eccentric part (32) with the described first anti-eccentric part (212) cooperation is provided on.
2. electric fan head component according to claim 1, which is characterized in that the first anti-eccentric part (212) is shape
At first conical surface on the inner wall of the axis hole (21)；
The second anti-eccentric part (32) be formed in the embedded component (30) outer surface and with first cone match
Two conical surfaces.
3. electric fan head component according to claim 2, which is characterized in that first conical surface includes along the axis hole
(21) axially spaced-apart setting and consistent first conical surface section (2121) of gradient and the second conical surface section (2122)；
Second conical surface include along the embedded component (30) axially spaced-apart setting and the consistent third conical surface section (321) of gradient and
4th conical surface section (322)；
First conical surface section (2121) and the third conical surface section (321) cooperate, second conical surface section (2122) with it is described
The cooperation of 4th conical surface section (322).
4. electric fan head component according to claim 3, which is characterized in that the third conical surface section (321) and described
There is cylindrical surface (323) and the 5th conical surface section (324), the cylindrical surface (323) is connected to described between 4th conical surface section (322)
The bottom of third conical surface section (321), the 5th conical surface section (324) are connected to the cylindrical surface (323) and the 4th conical surface section
(322) between, and the gradient of the 5th conical surface section (324) is greater than the gradient of the 4th conical surface section (322).
5. electric fan head component according to claim 1, which is characterized in that be provided with internal screw thread on the knob (60)
(61), the top of the output shaft (41) of the motor (40) is provided with the compatible external screw thread (413) with the internal screw thread (61).
6. electric fan head component according to claim 4, which is characterized in that be provided with ring at the top of the axis hole (21)
Shape inward flange (24), first conical surface section (2121) are formed on the inner wall of the circular inner ledge (24), and described second
Conical surface section (2122) is formed in the axis hole (21) and is located on the inner wall of the circular inner ledge (24) bottom.
7. electric fan head component according to claim 6, which is characterized in that the bottom of the circular inner ledge (24) has
There is the first limiting stand terrace (25), there is the second limited step between the cylindrical surface (323) and the third conical surface section (321)
Face (37), the first limiting stand terrace (25) are adapted with the second limiting stand terrace (37).
8. electric fan head component according to claim 1, which is characterized in that the axis of the embedded component (30) is set up
Have location hole (35), be provided with shrinkage cavity section (351) at the top of the location hole (35), the output shaft (41) of the motor (40) is worn
It is located in the location hole (35), and the top of the output shaft (41) and the shrinkage cavity section (351) are interference fitted；
The bottom of the shrinkage cavity section (351) has the first catching step face (38), be provided on the output shaft (41) with it is described
Second catching step face (414) of the first catching step face (38) cooperation.
9. electric fan head component according to claim 8, which is characterized in that the location hole (35) is far from the knob
(60) one end is provided with tight fit section (353), is provided on the output shaft (41) of the motor (40) and the tight fit section
(353) the First stage (411) being interference fitted.
10. electric fan head component according to claim 9, which is characterized in that the location hole (35) is located at the contracting
Position between hole section (351) and the tight fit section (353) is clearance fit section (352), the clearance fit section (352) with
There is the second predetermined gap between the output shaft (41) of the motor (40).
11. electric fan head component according to claim 1, which is characterized in that the bottom end of the embedded component (30) is arranged
There is the first radial pin hole (33), is provided on the output shaft (41) of the motor (40) corresponding with described first radial pin hole (33)
The second radial pin hole (42), the output shaft (41) of the embedded component (30) and the motor (40) is by being threaded through described first
Radial pin hole (33) is fixedly connected with the positioning pin (50) in the described second radial pin hole (42).
12. electric fan head component according to claim 11, which is characterized in that protrude at the both ends of the positioning pin (50)
Outer edge in the embedded component (30), the bottom of the axle sleeve (20) are provided with the opening portion with the positioning pin (50) cooperation
(222)。
13. electric fan head component according to claim 1, which is characterized in that be provided in the middle part of the fan blade (10)
Limiting groove (12), the mounting hole (11) are located at the bottom center of the limiting groove (12), the periphery of the axle sleeve (20)
It is provided with the compatible outward flange (23) with the limiting groove (12).
14. a kind of electric fan, including nose assembly, which is characterized in that the nose assembly is any one of claims 1 to 13
The electric fan head component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978782.6U CN209414212U (en) | 2018-11-26 | 2018-11-26 | Electric fan head assembly and electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821978782.6U CN209414212U (en) | 2018-11-26 | 2018-11-26 | Electric fan head assembly and electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414212U true CN209414212U (en) | 2019-09-20 |
Family
ID=67935682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821978782.6U Withdrawn - After Issue CN209414212U (en) | 2018-11-26 | 2018-11-26 | Electric fan head assembly and electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209997A (en) * | 2018-11-26 | 2019-01-15 | 珠海格力电器股份有限公司 | Electric fan head assembly and electric fan |
| CN114320968A (en) * | 2021-12-30 | 2022-04-12 | 嘉善卡固电气设备股份有限公司 | Concentric positioning mechanism for fan assembly |
-
2018
- 2018-11-26 CN CN201821978782.6U patent/CN209414212U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209997A (en) * | 2018-11-26 | 2019-01-15 | 珠海格力电器股份有限公司 | Electric fan head assembly and electric fan |
| CN109209997B (en) * | 2018-11-26 | 2024-08-20 | 珠海格力电器股份有限公司 | Electric fan head assembly and electric fan |
| CN114320968A (en) * | 2021-12-30 | 2022-04-12 | 嘉善卡固电气设备股份有限公司 | Concentric positioning mechanism for fan assembly |
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