CN208918922U - Electric fan casing and electric fan - Google Patents
Electric fan casing and electric fan Download PDFInfo
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- CN208918922U CN208918922U CN201821617008.2U CN201821617008U CN208918922U CN 208918922 U CN208918922 U CN 208918922U CN 201821617008 U CN201821617008 U CN 201821617008U CN 208918922 U CN208918922 U CN 208918922U
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- bearing
- electric fan
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- housing
- outer housing
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Abstract
The utility model provides a kind of electric fan casing and electric fan.Wherein, electric fan is injection molding machine shell with casing, casing includes: outer housing, bearing chamber and reinforcing rib, bearing chamber is set to the middle inside of outer housing and is connected by reinforcing rib with outer housing, there is in bearing chamber bearing location hole, bearing location hole and be mounted on transition fit between the indoor bearing of bearing or bearing holder (housing, cover).Electric fan casing provided by the utility model can reduce the loss of electric machine using the injection molding machine shell of nonmetallic materials, improve electric efficiency；Simultaneously injection molding machine shell compared with metal chassis will not eddy generation generate heat, accordingly decrease Bearing outer operating ambient temperature, improve bearing reliability；Transition fit is used between bearing location hole and bearing (or bearing holder (housing, cover)), realizes bearing pre-determined bit, guarantees that bearing installs concentricity, is conducive to the assembly precision for improving bearing, is guaranteed the reliability of bearing working；And injection molding machine shell is superior to metal chassis from manufacturing cost and weight.
Description
Technical field
The utility model relates to electric fan technical fields, include in particular to a kind of electric fan casing and one kind
The electric fan of the electric fan casing.
Background technique
A kind of product of the electric fan as motor in conjunction with blower, working efficiency are coefficient with motor by blower
As a result, working efficiency it is lower be industry a pain spot, improve its working efficiency become electric fan one of technical problem.
For high revolving speed electric fan, bearing fault problem takes place frequently, and improving high speed electric fan bearing reliability is equally industry
One of technical problem.
Utility model content
The utility model aims to solve the problem that at least one above-mentioned technical problem.
For this purpose, the purpose of the utility model first aspect is, a kind of electric fan casing is provided.
The purpose of the utility model second aspect is, provides a kind of electric fan including above-mentioned electric fan casing.
To achieve the goals above, the technical solution of the utility model provides a kind of electric fan casing, the casing
For injection molding machine shell, the casing includes: outer housing, bearing chamber and reinforcing rib, and the bearing chamber is set to the inside of the outer housing
Middle part and be connected with the outer housing by the reinforcing rib, with bearing location hole in the bearing chamber, the bearing is positioned
Hole and it is mounted on transition fit between the indoor bearing of the bearing or bearing holder (housing, cover).
The electric fan casing that the utility model above-mentioned technical proposal provides, casing use the injection molding machine of nonmetallic materials
Shell can reduce the loss of electric machine, to improve electric efficiency；Meanwhile injection molding machine shell will not eddy generation generation compared with metal chassis
Heat correspondingly reduces Bearing outer operating ambient temperature, improves bearing reliability；There is bearing location hole in bearing chamber,
Transition fit is used between bearing location hole and bearing (or bearing holder (housing, cover)), realizes bearing pre-determined bit, guarantees that bearing installs concentricity,
The assembly precision for being conducive to improve bearing, guarantees the reliability of bearing working；And it can between the bearing chamber and bearing of injection molding machine shell
To be adhesively fixed using heat curing type glue, to guarantee reliability of the bearing under high-temperature work environment；And injection molding machine shell from
Metal chassis is superior in manufacturing cost and weight.
In addition, the electric fan casing provided in the utility model above-mentioned technical proposal can also have following supplementary technology
Feature:
In the above-mentioned technical solutions, it is preferable that offer on the inner wall of the bearing location hole containing glue groove.
Due to using transition fit between bearing location hole and bearing (or bearing holder (housing, cover)), to guarantee to be bonded fastness, in axis
It holds and is offered on the inner wall of location hole containing glue groove, namely setting contains glue groove between bearing chamber and bearing (or bearing holder (housing, cover)), so that
Glue is flowed to and is filled to containing in glue groove, realizes the strong bond between bearing chamber and bearing (or bearing holder (housing, cover))；Optionally, may be used
With the portion setting gap between bearing chamber and bearing (or bearing holder (housing, cover)), it can equally ensure the strong bond of the two.
In the above-mentioned technical solutions, it is preferable that the quantity containing glue groove is multiple and along the bearing location hole
The circumferential direction of wall is uniformly distributed.
Above scheme, namely design the quantity containing glue groove be more than or equal to 2, and it is multiple containing glue groove along bearing location hole
The circumferential direction of wall is uniformly distributed, to ensure the harmony of bonding force between bearing chamber and bearing.
In the above-mentioned technical solutions, it is preferable that the rear end of the casing is equipped with fixing seat, and the fixing seat can be along axial direction
Located stator core.
In the above-mentioned technical solutions, it is preferable that the fixing seat is equipped with circumferentially positioned slot, and the circumferentially positioned slot can
The circumferentially positioned stator core.
When stator core and casing assemble, axially position stator core is realized using fixing seat, it is real using circumferentially positioned slot
Existing circumferentially positioned stator core, consequently facilitating postorder is using adhesive means or beats the comprehensive fixed stator iron core of screw mode.
In any of the above-described technical solution, it is preferable that the front end integrated injection molding of the casing has impeller.
Above scheme namely impeller and casing single injection-molded, become Integral injection molded casing, save impeller and casing
Assembly process, guarantee paddle wheel plane and bearing chamber seam allowance dimensional accuracy, improve the assembly precision of ducting system, so as to improve
Electric fan performance, and reduce the vibrating noise generated by the assembly precision of air passage portion difference；And impeller, casing monoblock type are infused
Modeling can solve the problems, such as release mark in impeller air duct；It ensure that air duct is smooth above and assemble consistency, and then guarantee electric fan
Performance is stablized.
In any of the above-described technical solution, it is preferable that the front end of the outer housing has outer housing setting circle, the shell
It is circumferentially arranged on body setting circle to have multiple pre-determined bit protrusions.
Pre-determined bit protrusion plays the role of pre-determined bit when fan housing and casing use glue curing, to guarantee fan housing and fan blade
Between gap, control air duct assembly precision, prevent fan housing and fan blade gap deviation in assembly solidification process, cause to rub, thus
Guarantee that electric fan performance is stablized, and reduces the vibrating noise generated by the assembly precision of air passage portion difference.
In the above-mentioned technical solutions, it is preferable that the outer housing setting circle is set to the outer side surface of the outer housing outer wall
On；Or the outer wall extreme direction facing forward of the outer housing extends, and replaces fan housing outer wall, the outer housing setting circle is set to the shell
In the interior sidewall surface of external wall.
Outer housing setting circle can be set to the outer side surface or interior sidewall surface of outer housing outer wall according to actual product structure
On, pre-determined bit protrusion is set in outer side surface or the interior sidewall surface of outer housing outer wall accordingly.
The technical solution of the utility model second aspect provides a kind of electric fan, which is characterized in that including such as above-mentioned
Electric fan casing described in one technical solution.
The electric fan that the utility model above-mentioned technical proposal provides, because it includes electric wind described in any of the above-described technical solution
Machine casing, thus the beneficial effect with electric fan casing described in any of the above-described technical solution.
In the above-mentioned technical solutions, it is preferable that the electric fan further includes bearing, is mounted on the bearing chamber of the casing
It is interior, it is fixed between the bearing and the bearing chamber using heat curing type glue sticking；Or the electric fan further includes bearing and bearing
Set, the bearing holder (housing, cover) are mounted in the bearing chamber, solid using heat curing type glue sticking between the bearing holder (housing, cover) and the bearing chamber
Fixed, the bearing is mounted in the bearing holder (housing, cover), glues the glue sticking of metal between the bearing holder (housing, cover) and the bearing using metal
It is fixed.
Heat curing type glue sticking is used between bearing chamber and bearing (or bearing holder (housing, cover)), guarantees bearing under high-temperature work environment
Reliability；For the scheme of the setting bearing holder (housing, cover) between bearing location hole and bearing, the assembly precision of bearing chamber and bearing holder (housing, cover) is more
It is easily guaranteed that, to advantageously ensure that the assembly precision of bearing.
In the above-mentioned technical solutions, it is preferable that the electric fan further includes stator core, the circumferentially positioned slot of the casing
The stator core positioning is realized using fast-drying type glue between the stator core.
Above scheme is advantageously implemented the multi-direction positioning to stator core, using adhesive means or beats spiral shell convenient for postorder
The comprehensive fixed stator iron core of nail mode.
In the above-mentioned technical solutions, it is preferable that the electric fan further includes fan housing, between the fan housing and the casing between
Gap cooperation, is fixed between the fan housing and the casing using heat curing type glue sticking.
It is fixed between fan housing and casing using heat curing type glue sticking, with the jail for both ensuring to be bonded under high-temperature work environment
Solidity.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of the electric fan casing of the utility model first embodiment；
Fig. 2 is the structural schematic diagram at another visual angle of electric fan casing shown in Fig. 1；
Fig. 3 is the assembling structure schematic diagram of the electric fan casing and bearing and stator core in Fig. 1；
Fig. 4 be in Fig. 3 A-A to schematic cross-sectional view；
Fig. 5 is the electric fan casing of the utility model second embodiment and the structural schematic diagram of bearing holder (housing, cover)；
Fig. 6 is the assembling structure schematic diagram of electric fan casing, bearing holder (housing, cover) and the bearing and stator core in Fig. 5；
Fig. 7 is the schematic cross-sectional view of B-B direction in Fig. 6；
Fig. 8 is the structural schematic diagram of the electric fan casing of the utility model 3rd embodiment；
Fig. 9 is the structural schematic diagram at another visual angle of electric fan casing shown in Fig. 8；
Figure 10 is the present invention looks up structural representation of electric fan casing shown in Fig. 9；
Figure 11 be in Figure 10 C-C to schematic cross-sectional view；
Figure 12 is the electric fan casing and bearing in Fig. 8, the schematic cross-sectional view after the assembly of fan blade and fan housing；
Figure 13 is the structural schematic diagram of the electric fan casing of the utility model fourth embodiment；
Figure 14 is the schematic cross-sectional view of electric fan casing shown in Figure 13；
Figure 15 is the electric fan casing and bearing in Figure 13, the schematic cross-sectional view after the assembly of fan blade and fan housing.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Figure 15 are as follows:
1 electric fan casing, 11 outer housings, 111 outer housing setting circles, 112 pre-determined bit protrusions, 12 bearing chambers, 121 bearings
Location hole, 122 contain glue groove, 13 reinforcing ribs, 14 fixing seats, 141 circumferentially positioned slots, 15 impellers, 2 bearings, 3 bearing holder (housing, cover)s, 4 stator iron
Core, 5 fan housings, 6 fan blades.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Electric fan casing and electric wind according to the utility model some embodiments are described referring to Fig. 1 to Figure 15
Machine.
As shown in Fig. 1 to Figure 15, a kind of electric fan casing 1 that some embodiments according to the present utility model provide, machine
Shell 1 is injection molding machine shell, and casing 1 includes: outer housing 11, bearing chamber 12 and reinforcing rib 13.
Specifically, bearing chamber 12 is set to the middle inside of outer housing 11 and is connected by reinforcing rib 13 with outer housing 11, axis
Holding has bearing location hole 121 in room 12, between bearing location hole 121 and the bearing 2 or bearing holder (housing, cover) 3 that are mounted in bearing chamber 12
Transition fit.
The utility model electric fan provided by the above embodiment casing 1, casing 1 use the injection molding machine of nonmetallic materials
Shell can reduce the loss of electric machine, to improve electric efficiency；Meanwhile injection molding machine shell will not eddy generation generation compared with metal chassis
Heat correspondingly reduces Bearing outer operating ambient temperature, improves bearing reliability；There is bearing location hole in bearing chamber 12
121, transition fit is used between bearing location hole 121 and bearing 2 (or bearing holder (housing, cover) 3), is realized that bearing 2 is pre-positioned, is guaranteed bearing 2
Concentricity is installed, the assembly precision for improving bearing 2 is conducive to, guarantees the reliability that bearing 2 works；And the bearing chamber of injection molding machine shell
It can be adhesively fixed using heat curing type glue between 12 and bearing 2, to guarantee that bearing 2 is reliable under high-temperature work environment
Property；And injection molding machine shell is superior to metal chassis from manufacturing cost and weight.
Preferably, it as shown in Fig. 1, Fig. 5 and Fig. 8, is offered on the inner wall of bearing location hole 121 containing glue groove 122, due to axis
It holds using transition fit between location hole 121 and bearing 2 (or bearing holder (housing, cover) 3), to guarantee to be bonded fastness, in bearing location hole
It is offered on 121 inner wall containing glue groove 122, namely setting contains glue groove 122 between bearing chamber 12 and bearing 2 (or bearing holder (housing, cover) 3),
So that glue is flowed to and filled to containing in glue groove 122, the strong bond between bearing chamber 12 and bearing 2 (or bearing holder (housing, cover) 3) is realized；
Alternatively it is also possible to which gap is arranged in portion between bearing chamber 12 and bearing 2 (or bearing holder (housing, cover) 3), it can equally ensure two
The strong bond of person.
It is further preferred that the circumferential direction that the quantity containing glue groove 122 is multiple and along bearing location hole 121 inner walls is evenly distributed with,
Namely quantity of the design containing glue groove 122 is more than or equal to 2, and the circumferential direction of multiple inner walls containing glue groove 122 along bearing location hole 121
It is uniformly distributed, to ensure the harmony of bonding force between bearing chamber 12 and bearing.
Preferably, as shown in Figure 2 and Figure 9, the rear end of casing 1 is equipped with fixing seat 14, and fixing seat 14 can be axially positioned
Stator core 4.
It is further preferred that as shown in Figure 2 and Figure 9, fixing seat 14 is equipped with circumferentially positioned slot 141, circumferentially positioned slot 141
It being capable of circumferentially positioned stator core 4.
When stator core 4 and casing 1 assemble, axially position stator core 4 is realized using fixing seat 14, utilization is circumferentially positioned
Slot 141 realizes circumferentially positioned stator core 4, consequently facilitating postorder is using adhesive means or beats the comprehensive fixed stator of screw mode
Iron core 4.
One specific embodiment, as shown in Fig. 1 to Fig. 3, Fig. 5 and Fig. 6, bearing chamber 12 leans on six reinforcing ribs 13 and outer housing
11 are connected, and six reinforcing ribs 13 are uniformly distributed circumferentially, to ensure the structural strength of casing 1；1 rear end of casing is fixed there are four setting
Seat 14, is correspondingly arranged with four supporting legs of stator core 4；Preferably, four fixing seats 14 are set to its in six reinforcing ribs 13
In four reinforcing ribs 13 and outer housing 11 junction.
Preferably, as shown in Fig. 8 to Figure 15, the front end integrated injection molding of casing 1 has impeller 15 namely impeller 15 and machine
1 single injection-molded of shell, becomes Integral injection molded casing, saves the assembly process of impeller 15 Yu casing 1, guarantees 15 plane of impeller
With 12 seam allowance dimensional accuracy of bearing chamber, the assembly precision of ducting system is improved, so as to improve electric fan performance, and is reduced because of wind
The vibrating noise that the assembly precision of road part is poor and generates；And impeller 15, casing Integral injection molded can solve 15 air duct of impeller
Interior release mark problem；It ensure that air duct is smooth above and assemble consistency, and then guarantee that electric fan performance is stablized.
In some embodiments of the utility model, as shown in Fig. 8 to Figure 15, the front end of outer housing 11 is fixed with outer housing
Circle of position 111, it is circumferentially arranged on outer housing setting circle 111 to have multiple pre-determined bits protrusions 112.
Pre-determined bit protrusion 112 is same when fan housing 5 uses glue curing with casing 1 can to play the role of pre-determined bit, thus
Guarantee the gap between fan housing 5 and fan blade 6, control air duct assembly precision, prevents fan housing 5 and 6 gap of fan blade in assembly solidification process
Deviation causes to rub, to guarantee that electric fan performance is stablized, and reduces the vibration generated by the assembly precision of air passage portion difference
Noise.
In one specific embodiment, as shown in Fig. 8 to Figure 12, outer housing setting circle 111 is set to the outer of 11 outer wall of outer housing
In side wall surface, pre-determined bit protrusion 112 is correspondingly on the outer side surface of 11 outer wall of outer housing.
In another specific embodiment, as shown in FIG. 13 to 15, the outer wall of outer housing 11 extreme direction facing forward extends, and replaces
Fan housing outer wall, outer housing setting circle 111 are set in the interior sidewall surface of 11 outer wall of outer housing.
Outer housing setting circle 111 can be set to the outer side surface of 11 outer wall of outer housing or interior according to actual product structure
In side wall surface, pre-determined bit protrusion 112 is set in outer side surface or the interior sidewall surface of 11 outer wall of outer housing accordingly.
Optionally, bearing chamber 12 can also use metal material, regard bearing chamber 12 as inserts when casing 1 is molded, with
The injection molding of the structures such as outer housing 11, reinforcing rib 13 is integral.
The embodiment of the utility model second aspect provides a kind of electric fan, which is characterized in that including such as any of the above-described
The electric fan of embodiment casing 1.
The utility model electric fan provided by the above embodiment, because it includes the electric fan machine of any of the above-described embodiment
Shell, thus the beneficial effect of the electric fan casing 1 with any of the above-described embodiment, details are not described herein.
Embodiment one:
As shown in Figures 1 to 4, electric fan includes casing 1, bearing 2 and stator core 4, and bearing 2 is mounted on bearing chamber 12
It is interior, pass through the Nian Jie realization fixation of heat curing type glue between bearing 2 and bearing chamber 12；There are bearing location hole 121, axis in bearing chamber 12
It holds and belongs to transition fit between location hole 121 and bearing 2, realize that bearing 2 is pre-positioned, guarantee that bearing 2 installs concentricity；Stator iron
Corresponding four fixing seats 14 for being installed on casing 1 of 4 four supporting legs of core, realize axially position stator core 4, and the circumferential direction of casing 1 is fixed
It realizes that stator core 4 positions using fast-drying type glue between position slot 141 and stator core 4, then use adhesive means or beats spiral shell
The comprehensive fixed stator iron core 4 of nail mode；Belong to clearance fit between stator core 4 and casing 1, can guarantee stator by tooling
Air gap between iron core 4 and rotor.
Embodiment two:
As shown in Figures 5 to 7, electric fan includes casing 1, bearing 2, bearing holder (housing, cover) 3 and stator core 4, and bearing holder (housing, cover) 3 is metal
Bearing holder (housing, cover), metal shaft bearing sleeve 3 are mounted in bearing chamber 12, Nian Jie real by heat curing type glue between bearing holder (housing, cover) 3 and bearing chamber 12
Now fix；There is bearing location hole 121 in bearing chamber 12, transition fit is belonged between bearing location hole 121 and bearing holder (housing, cover) 3, realizes
Bearing holder (housing, cover) 3 is pre-positioned, and guarantees that bearing holder (housing, cover) 3 installs concentricity；Bearing 2 is mounted in bearing holder (housing, cover) 3, is adopted between bearing holder (housing, cover) 3 and bearing 2
With clearance fit, and the glue for selecting metal to glue metal is realized and is fixed；4 four supporting leg correspondences of stator core are installed on casing 1
Four fixing seats 14 realize axially position stator core 4, using speed between the circumferentially positioned slot 141 and stator core 4 of casing 1
Dry type glue realizes that stator core 4 positions, and then uses adhesive means or beats the comprehensive fixed stator iron core 4 of screw mode；It is fixed
Belong to clearance fit between sub- iron core 4 and casing 1, can guarantee the air gap between stator core 4 and rotor by tooling.
Embodiment three:
As shown in Fig. 8 to Figure 12, electric fan includes casing 1, bearing 2 and fan housing 5, and bearing 2 is mounted on the bearing chamber of casing 1
In 12, pass through the Nian Jie realization fixation of heat curing type glue between bearing 2 and bearing chamber 12；There is bearing location hole 121 in bearing chamber 12,
Belong to transition fit between bearing location hole 121 and bearing 2, realize that bearing 2 is pre-positioned, guarantees that bearing 2 installs concentricity；Fan housing
Clearance fit between 5 and monoblock type casing 1 is adhesively fixed by heat curing type glue, on the outer housing setting circle 111 of casing 1
Pre-determined bit protrusion 112 plays the role of pre-determined bit in fan housing 5 and 1 glue curing of casing, guarantees the gap between fan housing 5 and fan blade 6,
Air duct assembly precision is controlled, fan housing 5 and 6 gap deviation of fan blade in assembly solidification process is prevented, causes to rub.
Example IV:
As shown in FIG. 13 to 15, electric fan includes casing 1, bearing 2 and fan housing 5, and bearing 2 is mounted on the bearing of casing 1
In room 12, pass through the Nian Jie realization fixation of heat curing type glue between bearing 2 and bearing chamber 12；There is bearing location hole in bearing chamber 12
121, transition fit is belonged between bearing location hole 121 and bearing 2, realizes that bearing 2 is pre-positioned, guarantees that bearing 2 installs concentricity；
11 outer wall of outer housing of casing 1 upwardly extends, and replaces fan housing outer wall, and fan housing outer wall is cancelled, the interior sidewall surface of 11 outer wall of outer housing
On be provided with pre-determined bit protrusion 112, play the role of being pre-positioned fan housing 5 when fan housing 5 and casing 1 assemble；Fan housing 5 and monoblock type
Clearance fit between casing 1 is adhesively fixed by heat curing type glue.
Specifically, the electric fan can be high speed electric fan.
In conclusion electric fan casing provided by the embodiment of the utility model can be effectively improved electricity using injection molding machine shell
Machine performance improves the reliability of bearing, guarantees that electric fan performance is stablized；It can also effectively solve impeller and casing assembly precision and leaf
Air duct is taken turns without release mark problem；Manufacturing cost can also be reduced and reduce electric fan weight.
In the description of the utility model, it is to be understood that the orientation of the instructions such as term "front", "rear", "inner", "outside" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description,
Rather than the device or unit of indication or suggestion meaning must have specific direction, be constructed and operated in a specific orientation, because
This, should not be understood as limiting the present invention.
In the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection ", " Gu
It is fixed " etc. shall be understood in a broad sense, for example, " connection " may be a fixed connection, may be a detachable connection, or integrally connect
It connects, or electrical connection；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill people of this field
For member, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
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 (12)
1. a kind of electric fan casing, which is characterized in that
The casing is injection molding machine shell, and the casing includes: outer housing, bearing chamber and reinforcing rib, and the bearing chamber is set to described
The middle inside of outer housing and being connected with the outer housing by the reinforcing rib, the bearing chamber is interior with bearing location hole,
The bearing location hole and it is mounted on transition fit between the indoor bearing of the bearing or bearing holder (housing, cover).
2. electric fan casing according to claim 1, which is characterized in that
It offers on the inner wall of the bearing location hole containing glue groove.
3. electric fan casing according to claim 2, which is characterized in that
The quantity containing glue groove is that the circumferential direction of multiple and along the bearing location hole inner walls is uniformly distributed.
4. electric fan casing according to claim 1, which is characterized in that
The rear end of the casing is equipped with fixing seat, and the fixing seat can be axially positioned stator core.
5. electric fan casing according to claim 4, which is characterized in that
The fixing seat is equipped with circumferentially positioned slot, and the circumferentially positioned slot being capable of the circumferentially positioned stator core.
6. electric fan casing according to any one of claim 1 to 5, which is characterized in that
The front end integrated injection molding of the casing has impeller.
7. electric fan casing according to any one of claim 1 to 5, which is characterized in that
The front end of the outer housing has outer housing setting circle, circumferentially arranged on the outer housing setting circle to have multiple pre-determined bits
Protrusion.
8. electric fan casing according to claim 7, which is characterized in that
The outer housing setting circle is set on the outer side surface of the outer housing outer wall；Or
The outer wall of outer housing extreme direction facing forward extends, and replaces fan housing outer wall, and the outer housing setting circle is set to the shell
In the interior sidewall surface of external wall.
9. a kind of electric fan, which is characterized in that including electric fan casing such as described in any item of the claim 1 to 8.
10. electric fan according to claim 9, which is characterized in that
The electric fan further includes bearing, is mounted in the bearing chamber of the casing, is adopted between the bearing and the bearing chamber
It is fixed with heat curing type glue sticking；Or
The electric fan further includes bearing and bearing holder (housing, cover), and the bearing holder (housing, cover) is mounted in the bearing chamber, the bearing holder (housing, cover) and institute
State and fixed between bearing chamber using heat curing type glue sticking, the bearing is mounted in the bearing holder (housing, cover), the bearing holder (housing, cover) with it is described
It is fixed between bearing using the glue sticking that metal glues metal.
11. electric fan according to claim 9, which is characterized in that
The electric fan further includes stator core, and fast-drying type is used between the circumferentially positioned slot and the stator core of the casing
Glue realizes the stator core positioning.
12. electric fan according to claim 9, which is characterized in that
The electric fan further includes fan housing, clearance fit between the fan housing and the casing, the fan housing and the casing it
Between fixed using heat curing type glue sticking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821617008.2U CN208918922U (en) | 2018-09-30 | 2018-09-30 | Electric fan casing and electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821617008.2U CN208918922U (en) | 2018-09-30 | 2018-09-30 | Electric fan casing and electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208918922U true CN208918922U (en) | 2019-05-31 |
Family
ID=66708177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821617008.2U Active CN208918922U (en) | 2018-09-30 | 2018-09-30 | Electric fan casing and electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208918922U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855578A (en) * | 2019-11-26 | 2021-05-28 | 广东威灵电机制造有限公司 | Casing subassembly, electric fan and dust catcher |
| CN112943693A (en) * | 2019-11-26 | 2021-06-11 | 广东威灵电机制造有限公司 | Casing subassembly, electric fan and dust catcher |
| WO2023023989A1 (en) * | 2021-08-25 | 2023-03-02 | 深圳市大疆创新科技有限公司 | Electric motor, power mechanism and unmanned aerial vehicle |
-
2018
- 2018-09-30 CN CN201821617008.2U patent/CN208918922U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855578A (en) * | 2019-11-26 | 2021-05-28 | 广东威灵电机制造有限公司 | Casing subassembly, electric fan and dust catcher |
| CN112943693A (en) * | 2019-11-26 | 2021-06-11 | 广东威灵电机制造有限公司 | Casing subassembly, electric fan and dust catcher |
| CN112855578B (en) * | 2019-11-26 | 2022-11-08 | 广东威灵电机制造有限公司 | Casing subassembly, electric fan and dust catcher |
| WO2023023989A1 (en) * | 2021-08-25 | 2023-03-02 | 深圳市大疆创新科技有限公司 | Electric motor, power mechanism and unmanned aerial vehicle |
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