CN206206285U - The fixed structure of motor and impeller - Google Patents
The fixed structure of motor and impeller Download PDFInfo
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- CN206206285U CN206206285U CN201621200870.4U CN201621200870U CN206206285U CN 206206285 U CN206206285 U CN 206206285U CN 201621200870 U CN201621200870 U CN 201621200870U CN 206206285 U CN206206285 U CN 206206285U
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- hole
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Abstract
The utility model discloses a kind of motor and the fixed structure of impeller, including：Impeller with hole；And the axle of motor that is connected is realized by coordinating with hole, wherein, the hole is circular circular hole portion including cross section and with cross section is non-circular rotation stop hole portion, the circular hole portion and rotation stop hole portion connect to form the hole, the axle is circular cylinder axle portion and with the axis of a cylinder portion coordinated with the rotation stop hole portion including cross section, the axle is inserted in the hole, so that the cylinder axle portion is realized being engaged with the circular hole portion, the axis of a cylinder portion realizes interference fit with the rotation stop hole portion.According to the utility model, it is obtained in that ensures to reduce part and operation and structure complexity on the premise of identical requirement is reached, processing, assembly cost are reduced, manufacture difficulty is reduced, it is ensured that the beneficial effect of production and efficiency of assembling is improved while impeller spin balancing.
Description
Technical field
The utility model is related to a kind of fixed structure, more particularly to a kind of motor with axle to consolidate with the impeller with hole
Fixed structure.
Background technology
There is the structure of the assembling in many axles and hole in currently manufactured industry, such as the assembling of the axle of motor and impeller, typically
Step is designed on axle, packing ring is placed on step, impeller is set on packing ring through motor shaft sleeve, then nut is fixed
On axle so that impeller is clamped between packing ring and nut, rotate axle impeller, and it is axially displaced to prevent impeller from occurring,
The shortcoming of this structure is：Assembly part multiple operation is more, the multiple steps on axle cause the processed complex of axle, assembling rear axle and leaf
The concentricity of wheel ensures that difficult, precision is difficult to ensure that, while revolving part dynamic balancing ensures to be difficult, impeller is easily produced when rotated
Vibration and deflection.
Traditional motor shaft coordinates with impeller to be needed, multiple parts such as motor shaft, impeller, packing ring and nut, assembly technology
Complexity, operation is more, therefore, in view of problem above, it is necessary to propose the fixed structure of a kind of new motor and impeller, reduce system
Difficulty is made, efficiency of assembling is improved, it is ensured that impeller spin balancing.
Utility model content
For weak point present in above-mentioned technology, the purpose of this utility model is to provide consolidating for a kind of motor and impeller
Fixed structure, it is obtained in that ensures to reduce part and operation and structure complexity on the premise of identical requirement is reached, and reduces and adds
Work, assembly cost, reduce manufacture difficulty, it is ensured that the beneficial effect of production and efficiency of assembling is improved while impeller spin balancing.
In order to realize root above-mentioned purpose of the present utility model and other advantages, there is provided the fixed knot of a kind of motor and impeller
Structure, including：
Impeller with hole；And
The axle of motor that is connected is realized by coordinating with hole.
Wherein, the hole is circular circular hole portion and with the non-circular rotation stop hole portion in cross section including cross section, described
Circular hole portion and rotation stop hole portion connect to form the hole, the axle including cross section be circular cylinder axle portion and with it is described only
The axis of a cylinder portion that turn hole portion coordinates, the axle is inserted in the hole, so that the cylinder axle portion is realized connecing with the circular hole portion
Touch and coordinate, the axis of a cylinder portion realizes interference fit with the rotation stop hole portion.
Preferably, the cross section of the rotation stop hole portion is set, and the rotation stop hole portion is D-shaped hole portion, the axis of a cylinder of the axle
The cross section in portion is set to the D fonts being engaged with the rotation stop hole portion, and the axis of a cylinder portion is D-shaped axis of a cylinder portion.
Preferably, the side wall of the D-shaped hole portion can be divided into hole planar section and hole arc section, the inwall of the hole arc section
It is provided with inwardly protruded bayonet lock.
Preferably, the side wall in the D-shaped axis of a cylinder portion can be divided into axial plane section and axle arc section, outside the axle arc section
Wall is provided with part arc and the draw-in groove for caving inward, so as to realize being fixedly connected in the bayonet lock insertion draw-in groove.
Preferably, at least one pressure release groove, and the pressure release groove are offered on the side wall of the hole arc section
Located at the side of the bayonet lock.
Preferably, it is equipped with least one ribs on the outer wall of the hole planar section.
Preferably, the end face border in the D-shaped axis of a cylinder portion is provided with circular arc chamfering, on the lower surface border of the bayonet lock
It is provided with the bayonet lock chamfering being adapted with the circular arc chamfering.
Preferably, be provided with least three reinforcements of radial distribution on the outside of the circular hole portion, the reinforcement with
The hole is integrally formed.
Preferably, the end face inner boundary in the circular hole portion is provided with a circle circular hole chamfering.
Compared with prior art, its advantage is the utility model：A kind of motor and impeller that the utility model is provided
Fixed structure, it can be ensured that on the premise of identical requirement is reached reduce part and operation and structure complexity, reduce processing,
Assembly cost, improves production and efficiency of assembling.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art does simple introduction, it should be apparent that, drawings in the following description are only
Some embodiments of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the three dimensional structure diagram of the motor according to the embodiment of the utility model one and the fixed structure of impeller；
Fig. 2 is another visual angle schematic diagram of the motor according to the embodiment of the utility model one and the fixed structure of impeller；
Fig. 3 is the three-dimensional structure sectional view of the motor according to the embodiment of the utility model one and the fixed structure of impeller；
Fig. 4 is the section view according to the fixed structure of the motor of the embodiment of the utility model one and impeller in the engagement condition
Figure；
Fig. 5 is the sectional view in the hole of the impeller according to the embodiment of the utility model one；
Fig. 6 is the three dimensional structure diagram of the motor shaft according to the embodiment of the utility model one.
The title of the digital or alphabetical representative corresponding part in figure：
110- axles；111- rotating shafts；112- cylinder axle portions；113-D shape axiss of a cylinder portion；113a- axial planes section；113b- axle circular arcs
Section；113c- draw-in grooves；120- holes；120a-D shape hole portions；120b- circular holes portion；121- holes planar section；121a- ribs；122- holes
Arc section；122a- bayonet locks；122b- pressure release grooves；S1- circular arc chamferings；S2- bayonet lock chamferings；123- circular hole chamferings；124- adds
Strong muscle.
Specific embodiment
The utility model provides the fixed structure of a kind of motor and impeller, and it is obtained in that ensures reaching identical requirement
Under the premise of reduce part and operation and structure complexity, reduce processing, assembly cost, reduce manufacture difficulty, it is ensured that impeller rotate
The beneficial effect of production and efficiency of assembling is improved while balance.
The technical solution of the utility model will be clearly and completely described by specific embodiment below.Obviously,
Described embodiment is only a part of embodiment of the utility model, rather than whole embodiments.Based on the utility model
In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of the utility model protection.
Fig. 1 to Fig. 6 is refer to, motor described in the utility model includes with the fixed structure of impeller：Hole 120 include perpendicular to
The cross section of axial direction is the circular hole portion 120b of circle and cross section is D font D-shaped hole portions 120a；Axle 110 includes that cross section is circle
The cylinder axle portion 112 of shape and cross section are the D-shaped axis of a cylinder portion 113 of D fonts.In the patchhole 120 of axle 110, cylinder axle portion is may be such that
112 realize being arranged cooperation with circular hole portion 120b, and D-shaped axis of a cylinder portion 113 and D-shaped hole portion 120a realize interference fit.It is capable of achieving to drive
Torsion preferably ensures the concentricity of axle 110 and the assembling of hole 120, the D designed by hole 120 while rotating axle 110
Shape hole portion 120a and circular hole portion 120b coordinates and can effectively prevent impeller axially displaced with the D-shaped axis of a cylinder portion 113 of design on axle 110.D
The side wall of shape hole portion 120a is divided into hole planar section 121 and hole arc section 122, and the inwall of hole arc section 122 is provided with inwardly protruding
Bayonet lock 122a.At least one pressure release groove 122b, in the present embodiment, pressure are offered on the side wall of hole arc section 122
Release groove 122b is provided with two, and is symmetrical arranged on bayonet lock 122a, and the pressure distribution of such pressure release groove 122b releases is equal
It is even.And pressure release groove 122b is equipped with least one reinforcement located at the side of bayonet lock 122a on the outer wall of hole planar section 121
Rib 121a.Ribs 121a is used for reinforced hole planar section 121, and the side wall in D-shaped axis of a cylinder portion 113 can be divided into axial plane section 113a and axle
The outer wall of arc section 113b, axle arc section 113b is provided with the draw-in groove 113c that at least part of arc caves inward, in the present embodiment
In, the outer wall of axle arc section 113b is provided with the draw-in groove 113c that a circle caves inward.Realized in bayonet lock 122a insertion draw-in grooves 113c
Hole is fixedly connected in the axial direction with axle.Impeller is acted on down by external force makes axle 110 be pressed into the hole 120 of impeller, and axle 110 runs
During to bayonet lock 122a, by the active force of pressure release groove 122b, bayonet lock 122a is squeezed, and axle 110 is continued up, bayonet lock
122a springs back to draw-in groove 113c.In the present embodiment, the end of cylinder axle portion 112 is integrally connected with rotating shaft 111, rotating shaft
111 is power input shaft.The end face border in D-shaped axis of a cylinder portion 113 is provided with circular arc chamfering S1, on the lower surface border of bayonet lock 122a
The bayonet lock chamfering S2 corresponding with circular arc chamfering S1 is provided with, this avoid during 110 press-in hole 120 of axle, the D-shaped cylindrical portion on axle
113 expect with D-shaped hole 120a because interference fit causes to shovel.Be provided with the outside of circular hole portion 120b at least three radial distributions plus
Strong muscle 124, when reinforcement 124 is used to strengthen axle press-in hole, strengthens the intensity in hole, and the end face inner boundary of circular hole portion 120b is provided with
One circle circular hole chamfering 123 so that circular hole chamfering 123 is rapidly entered when being contacted with axle, it is to avoid shovel material.In the present embodiment, strengthen
Muscle 124 is provided with 6, and reinforcement 124 is integrally formed with hole 120 and impeller.
Operation principle：The design of impeller is fixed in the different packing ring in the past of the utility model and nut check, but by the He of hole 120
Axle 110 uses two sections of different shapes, and one section is cylinder axle portion 112, and one section is D-shaped axis of a cylinder portion 113, is capable of achieving to drive torsion rotation
While preferably ensure assembling concentricity, the axial direction of impeller is effectively prevented by the hole planar section 121 and bayonet lock 122a in hole 120
In displacement and rotary course skidding is rotated with axle 110.
In the utility model, the hole is circular circular hole portion including cross section and with cross section is non-circular rotation stop
Hole portion, the axle is circular cylinder axle portion and with the axis of a cylinder portion coordinated with the rotation stop hole portion, the axle including cross section
Insert in the hole, so that the cylinder axle portion is realized being engaged with the circular hole portion, the axis of a cylinder portion stops with described
Turn hole portion realizes interference fit, and in the utility model implementation method, the cross section of the rotation stop hole portion is arranged to D character form structures,
In other embodiments, other any achievable rotation stop hole portions and axis of a cylinder portion non-radiused contact structures are all in the utility model
Protection domain in.
Number of devices described herein and treatment scale are for simplifying explanation of the present utility model.To the utility model
Application, modifications and variations will be readily apparent to persons skilled in the art.
As described above, according to the utility model, following beneficial effect can be obtained：
1st, parts are reduced, and assembly technology is simple, and production efficiency is high, are capable of achieving Automated assembly technique；
2nd, by reducing the length of hole planar section 121, it is ensured that improve the accuracy of manufacture while impeller spin balancing；
3rd, two sections of designs of different shapes of axle 110, Excircle machining can reduce complexity, and precision easily ensures.
Although embodiment of the present utility model is disclosed as above, it is not limited in institute in specification and implementation method
Row are used, and it can be applied to various suitable fields of the present utility model completely, for those skilled in the art, can
Other modification is easily realized, therefore under the universal limited without departing substantially from claim and equivalency range, this practicality
It is new to be not limited to specific details and shown here as the legend with description.
Claims (9)
1. the fixed structure of a kind of motor and impeller, it is characterised in that including：
Impeller with hole；And
The axle of motor that is connected is realized by coordinating with hole,
Wherein, the hole is circular circular hole portion including cross section and with cross section is non-circular rotation stop hole portion, the circle
Hole portion and rotation stop hole portion connect to form the hole, the axle including cross section be circular cylinder axle portion and with the rotation stop
The axis of a cylinder portion that hole portion coordinates, the axle is inserted in the hole, so that the cylinder axle portion is realized contacting with the circular hole portion
Coordinate, the axis of a cylinder portion realizes interference fit with the rotation stop hole portion.
2. the fixed structure of motor as claimed in claim 1 and impeller, it is characterised in that the cross section of the rotation stop hole portion sets
Put, the rotation stop hole portion is D-shaped hole portion, and the cross section in the axis of a cylinder portion of the axle is set to the D being engaged with the rotation stop hole portion
Font, the axis of a cylinder portion is D-shaped axis of a cylinder portion.
3. the fixed structure of motor as claimed in claim 2 and impeller, it is characterised in that the side wall of the D-shaped hole portion can divide
It is hole planar section and hole arc section, the inwall of the hole arc section is provided with inwardly protruded bayonet lock.
4. the fixed structure of motor as claimed in claim 3 and impeller, it is characterised in that the side wall in the D-shaped axis of a cylinder portion can
It is divided into axial plane section and axle arc section, the outer wall of the axle arc section is provided with part arc and the draw-in groove for caving inward, described
So as to realize being fixedly connected in the bayonet lock insertion draw-in groove.
5. the fixed structure of motor as claimed in claim 3 and impeller, it is characterised in that opened on the side wall of the hole arc section
At least one pressure release groove, and the pressure release groove are provided with located at the side of the bayonet lock.
6. the fixed structure of motor as claimed in claim 3 and impeller, it is characterised in that on the outer wall of the hole planar section plus
It is provided with least one ribs.
7. the fixed structure of motor as claimed in claim 4 and impeller, it is characterised in that the end surface side in the D-shaped axis of a cylinder portion
Boundary is provided with circular arc chamfering, and the lower surface border of the bayonet lock is provided with the bayonet lock chamfering being adapted with the circular arc chamfering.
8. the fixed structure of motor as claimed in claim 1 and impeller, it is characterised in that be provided with the outside of the circular hole portion to
Few three reinforcements of radial distribution, the reinforcement is integrally formed with the hole.
9. the fixed structure of motor as claimed in claim 1 and impeller, it is characterised in that the end face inner boundary in the circular hole portion
It is provided with a circle circular hole chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200870.4U CN206206285U (en) | 2016-11-08 | 2016-11-08 | The fixed structure of motor and impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621200870.4U CN206206285U (en) | 2016-11-08 | 2016-11-08 | The fixed structure of motor and impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206285U true CN206206285U (en) | 2017-05-31 |
Family
ID=58751928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621200870.4U Active CN206206285U (en) | 2016-11-08 | 2016-11-08 | The fixed structure of motor and impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139536A (en) * | 2018-08-29 | 2019-01-04 | 珠海格力电器股份有限公司 | Fan blade shaft, assembly structure of fan blade shaft and fan blade and shaft sleeve |
-
2016
- 2016-11-08 CN CN201621200870.4U patent/CN206206285U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139536A (en) * | 2018-08-29 | 2019-01-04 | 珠海格力电器股份有限公司 | Fan blade shaft, assembly structure of fan blade shaft and fan blade and shaft sleeve |
| WO2020042440A1 (en) * | 2018-08-29 | 2020-03-05 | 珠海格力电器股份有限公司 | Fan blade shaft, assembly structure thereof with fan blades, and shaft sleeve |
| CN109139536B (en) * | 2018-08-29 | 2020-06-19 | 珠海格力电器股份有限公司 | Assembly structure of fan blade shaft and fan blade |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No. 2 Xiangyang Road, New District, Jiangsu, Suzhou Patentee after: Jiangsu Laike Intelligent Electrical Appliance Co., Ltd Address before: 215000 No. 2 Xiangyang Road, New District, Jiangsu, Suzhou Patentee before: SUZHOU KINGCLEAN ELECTRIC Co.,Ltd. |