CN106286410B - fan motor mounting assembly and electric fan - Google Patents
fan motor mounting assembly and electric fan Download PDFInfo
- Publication number
- CN106286410B CN106286410B CN201610843239.4A CN201610843239A CN106286410B CN 106286410 B CN106286410 B CN 106286410B CN 201610843239 A CN201610843239 A CN 201610843239A CN 106286410 B CN106286410 B CN 106286410B
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- CN
- China
- Prior art keywords
- locating dowel
- axis hole
- damper box
- locating
- mounting assembly
- 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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/601—Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of fan motor mounting assembly, including damper box, axle sleeve and connecting rod, the first axis hole is provided with the damper box；The axle sleeve includes locating part and the first locating dowel being arranged on the locating part, first locating dowel is inserted in first axis hole, the locating part is connected together with the damper box, to limit axial movement of first locating dowel in first axis hole；The link rotatable is sheathed in first locating dowel, and is clamped between the locating part and the damper box.Above-mentioned electric fan mounting assembly, in the assembling process of damper box and connecting rod, connecting rod can be clamped in by the clamping of locating part and damper box between locating part and damper box, compared with tradition beats the mode of screw, it need not use by positioning tool and electric tool, installation cost is saved, improves installation effectiveness.
Description
Technical field
The present invention relates to electric fan technical field, more particularly to a kind of fan motor mounting assembly and electric fan.
Background technology
At present, in the market electric fan product motor assembly method is generally motor and is directly connected to damper box, and control is shaken the head
Connecting rod one end be assembled in damper box, the other end is assembled on motor.
Usually, electric fan needs to pre-install damper box in process of production and connecting rod, operational sequence are：Multiple tune are taken first
Section box is put on machine frame, then puts shock absorbing meson respectively, brush lubricating oil, connecting rod is put in each damper box, respectively with 1 screw
ST4X12PWC is fastened, and is finally neatly put in glue frame, is used to streamline employee.This assembling process is completed by two people,
The instruments such as positioning tool, electric screwdriver, glue frame and container are needed, efficiency of assembling is not high, also add logistics turnover manpower.
Therefore, how to effectively improve the installation effectiveness of damper box and connecting rod in electric fan production process, reduce installation cost
Deng turning into electric fan product urgent problem.
The content of the invention
Based on this, in view of the above-mentioned problems, be necessary to provide a kind of fan motor mounting assembly and electric fan, it is existing to solve
There is the problem of damper box is low with connecting rod installation effectiveness, installation cost is high in technology.
A kind of fan motor mounting assembly, including damper box, axle sleeve and connecting rod,
The first axis hole is provided with the damper box；
The axle sleeve includes locating part and the first locating dowel being arranged on the locating part, first locating dowel plug
In in first axis hole, the locating part is connected together with the damper box, to limit first locating dowel described
Axial movement in one axis hole；
The link rotatable is sheathed in first locating dowel, and be clamped in the locating part and the damper box it
Between.
In one of the embodiments, the damper box has be used for being fixedly connected with the motor support axle of electric fan the
Two axis holes, the locating part include body and the second locating dowel for being arranged on the body, second locating dowel with it is described
First locating dowel is arranged at the homonymy of the body, and second locating dowel is connected together with second axis hole, is made with realizing
The axle sleeve is connected together by the locating part and the damper box；Second locating dowel sets groove fixing hole, is used for
The motor support axle is set to be fixedly connected through the groove fixing hole with second axis hole.
In one of the embodiments, positioning hole is provided with second locating dowel, is set in the second axis hole side wall
Buckle is equipped with, the buckle is connected together with the positioning hole.
In one of the embodiments, it is additionally provided with second locating dowel for engaging company with the motor support axle
The installed part connect, for making the motor support axle by being connected together with the installed part of second locating dowel, so that described
Axial restraint of the motor support axle in second axis hole.
In one of the embodiments, the installed part is the elastic arm for including being arranged in second locating dowel, institute
State and opening is offered in the second locating dowel, the elastic arm includes first side and be oppositely arranged with the first side second
Side, the first side are connected with the side wall of the opening, and the second side and the side wall of the opening have gap.
In one of the embodiments, center line of the second side of the elastic arm apart from second locating dowel
Distance be less than the first side apart from the center line of second locating dowel distance.
In one of the embodiments, projection is provided with the first axis hole side wall, first locating dowel is provided with
The breach being engaged, it is described it is raised be connected together with the breach, to limit first locating dowel in first axis hole
Rotation.
In one of the embodiments, the breach is arranged at the end of first locating dowel, and the breach is in platform
Scalariform.
In one of the embodiments, in addition to shock absorbing meson, the shock absorbing meson are sheathed on first locating dowel, and
The both ends of the shock absorbing meson abut with the damper box and the connecting rod respectively.
A kind of electric fan, including the fan motor mounting assembly described in any of the above-described.
Above-mentioned electric fan mounting assembly, in the assembling process of damper box and connecting rod, pass through locating part and the card of damper box
Connecing can be clamped in connecting rod between locating part and damper box, compared with tradition beats the mode of screw, it is not necessary to which use is by fixed
Position frock and electric tool, save installation cost, improve installation effectiveness.
Brief description of the drawings
Fig. 1 is the structural representation of the fan motor mounting assembly of one embodiment of the invention；
Fig. 2 is the configuration schematic diagram of the fan motor mounting assembly shown in Fig. 1；
Fig. 3 is the structural representation at another visual angle of fan motor mounting assembly shown in Fig. 1；
Fig. 4 is cut-away view of the fan motor mounting assembly along AA sections shown in Fig. 3.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more
The arbitrary and all combination of related Listed Items.
Fig. 1 and Fig. 2 is referred to, it is respectively the structural representation of the fan motor mounting assembly 10 of one embodiment of the invention
Figure and configuration schematic diagram.
Electric fan mounting assembly 10 includes：Damper box 100, axle sleeve 200 and connecting rod 300.It is provided with the damper box 100
First axis hole 110, the axle sleeve 200 include locating part and the first locating dowel 210 for being arranged on the locating part, and described first
Locating dowel 210 is inserted in first axis hole 110, and the locating part is connected together with the damper box 100, with described in limitation
Axial movement of first locating dowel 210 in first axis hole, the connecting rod 300 are set in first locating dowel 210,
And it is clamped between the locating part and the damper box 100.
Above-mentioned electric fan mounting assembly, in the assembling process of damper box and connecting rod, pass through locating part and the card of damper box
Connecing can be clamped in connecting rod between locating part and damper box, compared with tradition beats the mode of screw, it is not necessary to which use is by fixed
Position frock and electric tool, save installation cost, improve installation effectiveness.
Specific in the present embodiment, referring to Fig. 2, the fan motor mounting assembly 10 also includes shock absorbing meson 400,
The shock absorbing meson 400 is sheathed on first locating dowel 210, and the both ends of the shock absorbing meson 400 respectively with the regulation
Box 100 and the connecting rod 300 abut, to avoid connecting rod 300 from causing to exchange in the rotation process around first locating dowel 210
Save the damage of box 100.
Further, also referring to Fig. 2 and Fig. 4, it is provided with projection 111 in the side wall of the first axis hole 110, described the
One locating dowel 210 is provided with the breach 211 being engaged, and described raised 111 are connected together with the breach 211, with described in limitation
Rotation of first locating dowel 210 in first axis hole 110.Specifically, the breach 211 is arranged at first locating dowel
210 end, and the breach 211 is in step-like.Accordingly, described raised 111 be also in step-like, the breach 211 and institute
State projection 111 mutually to coincide, to drive first locating dowel 210 in first axis hole 110 when avoiding connecting rod 300 from rotating
Rotate.
It should be noted that in other embodiments, other fit structures can also be used to limit the first locating dowel 210
Rotation in the first axis hole 110.For example, setting bulge-structure in the first locating dowel 210, set in the first axis hole 110
Corresponding groove structure, by raised and groove structure to limit rotation of first locating dowel in the first axis hole.
Further, in order to reduce the shrinkage factor of the first locating dowel 210, to improve the first locating dowel 210 and the first axis hole
110 goodness of fit, referring to Fig. 2, the end of first locating dowel 210 offers blind hole 213, can by setting blind hole 213
To reduce the shrinkage factor of the first locating dowel 210, the first locating dowel 210 and the goodness of fit of the first axis hole 110 are improved.
Further, referring to Fig. 2, the damper box 100, which has, is used for what is be fixedly connected with fan motor support shaft
Second axis hole 120, the locating part include body 220 and the second locating dowel 230 for being arranged on the body 220, and described the
Two locating dowels 230 are arranged at the homonymy of the body 220 with first locating dowel 210, second locating dowel 230 with it is described
Second axis hole 120 is connected together, so that the axle sleeve is connected together by the locating part and the damper box 100；Described
Two locating dowels 230 set fixing hole 201, for making the motor support axle through the fixing hole 201 and second axis hole
120 are fixedly connected.The structure for example, the first locating dowel 210, the locating dowel 230 of body 220 and second are formed in one.And for example, first
The external diameter of locating dowel 210 is less than the external diameter of the second locating dowel 230, and the height of the first locating dowel 210 is less than the second locating dowel 230
Highly, so that motor support axle is relatively firmly secured in the second axis hole 120.
Further, also referring to Fig. 2 and Fig. 4, it is provided with positioning hole 231 in second locating dowel 230, described
Buckle 121 is provided with the side wall of two axis hole 120, the buckle 121 is connected together with the positioning hole 231.By buckle 121 with
Positioning hole 231 is connected together, and the second locating dowel 230 can be avoided to deviate from out of second axis hole 120.
For example, buckle 121 is two, positioning hole 231 is also two, and two buckles 121 are uniform along the side wall of the second axis hole 120
Set, to improve engaging effect.Certainly, in other embodiments, the quantity of buckle 121 and positioning hole 231 can also be according to reality
Border needs to be set.In the present embodiment, positioning hole 231 is square opening.
Further, referring to Fig. 2, the end set of second locating dowel 230 has groove 232, by setting groove
232, when the second axis hole 120 of the second locating dowel 230 insertion damper box 100, the end of the second locating dowel 230 deforms upon,
The insertion of the second locating dowel 230 can be facilitated.
Further, the peace for being connected together with the motor support axle is additionally provided with second locating dowel 230
Piece installing, motor support axle wears the fixing hole 201 and the installed part of second locating dowel 230 is connected together, to realize
State axially position of the motor support axle in second axis hole 120.So, can be with the installation process of motor support axle
Aid is not needed, directly carries out hand assembled, efficiency of assembling is higher, and cost is relatively low.
Further, referring to Fig. 2, the installed part is the elastic arm 233 being arranged in second locating dowel 230,
Offer opening 234 in second locating dowel 230, the elastic arm 233 include first side 2331 and with first side
The second side 2332 that side 2331 is oppositely arranged, the first side 2331 are connected with the side wall of the opening 234, and described second
Gap be present in side 2332 and the side wall of the opening 234.Specifically in the present embodiment, have annular recessed on motor support axle
Groove, in use, the second side 2332 of elastic arm 233 are fastened in annular groove, and annular groove is used for elastic arm
233 progress are spacing, prevent it from deviating from out of annular groove, but elastic arm 233 can enter line slip along the outer peripheral face of annular groove, by
This, it is possible to achieve motor support axle and can realize motor support axle in the second axis hole relative to the rotation connection of damper box 100
Axial restraint in 120.
Further, center line of the second side 2332 of the elastic arm 233 apart from second locating dowel 230
Distance be less than the first side 2331 apart from the center line of second locating dowel 230 distance.That is, described elastic arm with
The side that annular groove coordinates is inclined-plane, can be that the engaging of annular groove carries in the installation process of motor support axle so
For guide effect, and engage stronger.For example, the second side 2332 of the elastic arm 233 is apart from the described second positioning
The distance of the center line of post 230 and the distance of first side 2331 are smaller than the distance of the center line of second locating dowel 230
0.9mm, engaging effect are preferable.
In the present embodiment, elastic arm 233 is two, and two elastic arms 233 are evenly distributed on the same of the second locating dowel 230
On one circumference.Certainly, in other embodiments, the quantity of elastic arm 233 can also be set according to specific needs.
For example, the assembly method of fan motor mounting assembly 10 is in one embodiment of the invention：Left hand is taken axle sleeve 200
And making the first locating dowel 210 and the second locating dowel 230 upward, the right hand is sequentially placed into connecting rod 300 and disappeared in the first locating dowel 210
Shake meson 400；A circle lubricating oil is brushed respectively in the periphery of the first locating dowel 210 and the second locating dowel 230 with hairbrush；The right hand takes again
Damper box 100, make the first locating dowel 210 and the second locating dowel 230 is respectively aligned to the first axis hole 110 and the second axis hole 120 is installed
Go down, and ensure that the buckle 121 in damper box 100 in second axis hole 120 is fastened in the positioning hole 231 of the second locating dowel 230,
Do not pulled out not come out reversely with hand, that is, complete the installation of a component.Compared with tradition beats the mode of screw, in installation process, without
Damper box 100 is put on positioning tool, eliminates the circular flow of material, also eliminates the mistake that screw is played using electric tool
Journey, and only need a people that installation process can be achieved in the short period of time, the set-up time is shorter, and installation effectiveness is higher, in addition,
It can also avoid beating the problems such as screw existing for screw beats not tight, sliding tooth.
Above-mentioned fan motor mounting assembly 10, by the way that the second locating dowel 230 is fastened in the second axis hole 120 so that
The connecting rod 300 being set in the first locating dowel 210 is clamped between body 220 and damper box 100, realizes connecting rod 300 and regulation
The installation of box 100, compared with tradition beats the mode of screw, without damper box 100 is put on positioning tool, eliminate material
Circular flow, the process that screw is played using electric tool is also eliminated, and only need a people to can be achieved in the short period of time
Installation process, the set-up time is shorter, and installation effectiveness is higher, and installation cost is relatively low, at the same time it can also avoid beating spiral shell existing for screw
Nail beats the problems such as not tight, sliding tooth.
In addition, by being provided with the installed part being connected together with motor support axle in the second locating dowel 230, by by electricity
Machine support shaft is engaged in the second locating dowel 230, in the installation process of motor support axle, it may not be necessary to aid, directly
Row hand assembled is tapped into, efficiency of assembling is higher, and cost is relatively low.
The present invention also provides a kind of electric fan, including the fan motor mounting assembly 10 described in any of the above-described embodiment.
The structure of the fan motor mounting assembly 10 can refer to above-described embodiment, will not be repeated here.Naturally, due to this reality
The electric fan for applying example employs the technical scheme of above-mentioned fan motor mounting assembly 10, therefore the electric fan has above-mentioned electric wind
Fan all beneficial effects of motor mounting assembly 10.
It should be noted that the word such as " first " that is used in the present invention, " second " is intended merely to area to limit parts
Divide parts, those skilled in the art should know：The use of " first ", " second " be intended merely to facilitate description the present invention and
Simplify description, do not state in addition such as, above-mentioned word does not have special implication.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
- A kind of 1. fan motor mounting assembly, it is characterised in that including damper box, axle sleeve and connecting rod,The first axis hole is provided with the damper box；The axle sleeve includes locating part and the first locating dowel being arranged on the locating part, first locating dowel are inserted in institute State in the first axis hole, the locating part is connected together with the damper box, to limit first locating dowel in the first axle Axial movement in hole；The link rotatable is sheathed in first locating dowel, and is clamped between the locating part and the damper box；Be provided with projection in the first axis hole side wall, first locating dowel is provided with the breach being engaged, it is described it is raised with The breach is connected together, and to limit rotation of first locating dowel in first axis hole, the breach is arranged at institute The end of the first locating dowel is stated, and the breach is in step-like, the other end of first locating dowel offers blind hole；Also include shock absorbing meson, the shock absorbing meson is sheathed on first locating dowel, and the both ends difference of the shock absorbing meson Abutted with the damper box and the connecting rod.
- 2. fan motor mounting assembly according to claim 1, it is characterised in that the damper box, which has, to be used for and electricity The second axis hole that the motor support axle of fan is fixedly connected, the locating part include body and be arranged on the body second Locating dowel, second locating dowel are connected together with second axis hole so that the axle sleeve by the locating part with it is described Damper box is connected together；Second locating dowel sets fixing hole, for make the motor support axle through the fixing hole with Second axis hole is fixedly connected.
- 3. fan motor mounting assembly according to claim 2, it is characterised in that be provided with second locating dowel Positioning hole, buckle is provided with the second axis hole side wall, the buckle is connected together with the positioning hole.
- 4. fan motor mounting assembly according to claim 2, it is characterised in that also set up in second locating dowel There is the installed part for being connected together with the motor support axle, for making the motor support axle by being positioned with described second The installed part of post is connected together, so that axial restraint of the motor support axle in second axis hole.
- 5. fan motor mounting assembly according to claim 4, it is characterised in that the installed part includes being arranged at institute State the elastic arm in the second locating dowel, offer opening in second locating dowel, the elastic arm include first side and with The second side that the first side is oppositely arranged, the first side are connected with the side wall of the opening, the second side Gap be present with the side wall of the opening.
- 6. fan motor mounting assembly according to claim 5, it is characterised in that second side of the elastic arm The distance of the center line of second locating dowel described in back gauge is less than center line of the first side apart from second locating dowel Distance.
- 7. a kind of electric fan, it is characterised in that including fan motor mounting assembly according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843239.4A CN106286410B (en) | 2016-09-22 | 2016-09-22 | fan motor mounting assembly and electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610843239.4A CN106286410B (en) | 2016-09-22 | 2016-09-22 | fan motor mounting assembly and electric fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286410A CN106286410A (en) | 2017-01-04 |
| CN106286410B true CN106286410B (en) | 2018-02-09 |
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ID=57711833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610843239.4A Active CN106286410B (en) | 2016-09-22 | 2016-09-22 | fan motor mounting assembly and electric fan |
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| Country | Link |
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| CN (1) | CN106286410B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120299B (en) * | 2017-06-14 | 2023-06-27 | 广东美的环境电器制造有限公司 | Connection structure of locating sleeve and oscillating connecting rod and oscillating mechanism of fan |
| CN114352560B (en) * | 2021-12-13 | 2023-05-16 | 珠海格力电器股份有限公司 | Tower fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201225300Y (en) * | 2008-05-23 | 2009-04-22 | 美的集团有限公司 | Mechanical composite oscillating mechanism for electric fan |
| CN201486918U (en) * | 2009-08-27 | 2010-05-26 | 先锋电器集团有限公司 | Electric fan connector |
| CN105298927A (en) * | 2015-11-05 | 2016-02-03 | 珠海格力电器股份有限公司 | Electric fan head assembly installation structure and electric fan employing same |
| CN205190361U (en) * | 2015-11-05 | 2016-04-27 | 珠海格力电器股份有限公司 | Electric fan head assembly mounting structure and adopt its electric fan |
| CN206092521U (en) * | 2016-09-22 | 2017-04-12 | 珠海格力电器股份有限公司 | Electricity fan motor installation component and electric fan |
-
2016
- 2016-09-22 CN CN201610843239.4A patent/CN106286410B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201225300Y (en) * | 2008-05-23 | 2009-04-22 | 美的集团有限公司 | Mechanical composite oscillating mechanism for electric fan |
| CN201486918U (en) * | 2009-08-27 | 2010-05-26 | 先锋电器集团有限公司 | Electric fan connector |
| CN105298927A (en) * | 2015-11-05 | 2016-02-03 | 珠海格力电器股份有限公司 | Electric fan head assembly installation structure and electric fan employing same |
| CN205190361U (en) * | 2015-11-05 | 2016-04-27 | 珠海格力电器股份有限公司 | Electric fan head assembly mounting structure and adopt its electric fan |
| CN206092521U (en) * | 2016-09-22 | 2017-04-12 | 珠海格力电器股份有限公司 | Electricity fan motor installation component and electric fan |
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| Publication number | Publication date |
|---|---|
| CN106286410A (en) | 2017-01-04 |
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