CN207660897U - A kind of high-precision brushless DC blower body construction - Google Patents
A kind of high-precision brushless DC blower body construction Download PDFInfo
- Publication number
- CN207660897U CN207660897U CN201721712201.XU CN201721712201U CN207660897U CN 207660897 U CN207660897 U CN 207660897U CN 201721712201 U CN201721712201 U CN 201721712201U CN 207660897 U CN207660897 U CN 207660897U
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- Prior art keywords
- axle sleeve
- precision
- blower
- body construction
- brushless
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Abstract
A kind of high-precision brushless DC blower body construction provides the fan parts such as fan rotor and coil and provides installation space as the basic component of brushless DC blower.High-precision brushless DC blower body construction is made of axle sleeve and shell, axle sleeve is hollow circular tube shape, is manufactured by the method that machine adds by stainless steel material, shell is plastic material, with good plastic pressuring process performance and axle sleeve, plastic pressure forming is combined into firm high-precision integral structure in a mold.High-precision brushless DC blower body construction can significantly improve the concentricity of fan body, mechanical strength, so that wind turbine had the characteristics that rotating speed is high, air quantity is big, precision is high, flexible deformation is small, run low noise, is durable, user's use feeling and product specification is substantially improved.
Description
Technical field
The utility model belongs to brushless DC blower technical field more particularly to a kind of high-precision brushless DC blower ontology
Structure.
Background technology
Country's DC fan shell mostly uses integral type plastic compression structure, but the direct current of integral type plastic compression structure with axle sleeve at present
Shaft sleeve of fan is limited by its material self character, and precision and service life be not high, worse in the case of high-revolving.
Application No. is 201120427638.5, Authorization Notice No. is that the utility model patent of CN 202348711U discloses
A kind of pouring type brush DC explosion-proof fan, including motor body, be equipped on the motor body circuit board and coil around
Group, encapsulation has epoxy resin on the circuit board and coil windings, so that the circuit board, coil windings and the motor sheet
Body is integrally formed, to which the contact by the circuit board, coil windings with air is completely isolated.In conjunction with its attached drawing 1 as it can be seen that described
Motor body 1 is axle sleeve and the integral structure that shell is same material.
It is limited by factors such as wind turbine body construction form complexity, the integral structure generally use plastics of this same material
Equal materials integration plastic pressure forming, body member is yielding during with other assembling parts, and installation gap is big, is not suitable for strong wind
High rotating speed wind turbine is measured, noise is big in use, and the service life is also short.
Invention content
Technical problem to be solved in the utility model is in place of overcome the deficiencies in the prior art, to provide a kind of high-precision
Stainless steel part and plastic part are combined as a whole by brushless DC blower body construction by plastic compression in a mold, improve wind turbine sheet
Concentricity, mechanical strength and the service life of body, adapt to higher rotating speed and air quantity, reduce the operation noise and failure of wind turbine
Rate promotes user's use feeling and product specification.
To achieve the goals above, the technical solution adopted in the utility model includes the axle sleeve and non-metallic material of metal material
The Blower Housing of material, the axle sleeve are hollow circular tube shape and structure, and upper axis has been respectively equipped in the inner surface of axle sleeve upper/lower terminal
It is polished surface to hold upper bearing (metal) mounting base and lower bearing mounting base described in mounting base and lower bearing mounting base, to assemble rotor
The mating surface of bearing, there is technique groove in axle sleeve lower end outer surface, corresponding with the false boss on Blower Housing, institute
State axle sleeve mounted on Blower Housing inside and plastic pressure forming be structure as a whole.
Further, the axle sleeve is the stainless steel material for being suitble to machine to add, and is manufactured using mechanical processing technique.
Further, the Blower Housing uses plastic material, and it is convex to be equipped with technique with axle sleeve technique groove opposite position
Platform.
Compared with prior art, the beneficial effects of the utility model are：The utility model fully combines stainless steel material
High precision machining, sturdy and durable and plastics are easy to the characteristics of plastic compression is processed into complicated shape in a mold, by stainless steel part and modeling
Materials and parts are combined as a whole by plastic compression in a mold, improve concentricity, the mechanical strength of fan body, and wind turbine is made to have rotating speed
It is high, air quantity is big, precision is high, flexible deformation is small, operation low noise, it is durable the features such as, be substantially improved user's use feeling and
Product specification.
Description of the drawings
Fig. 1 is the utility model overall schematic；
Fig. 2 is the utility model along axis profile schematic diagram.
In figure：1. axle sleeve, 2. Blower Housings, 3. technique grooves, 4. upper bearing (metal) mounting base, 5. lower bearing mounting base, 6. technique
Boss.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the utility model.
Referring to Fig.1-2, a kind of high-precision brushless DC blower body construction, including axle sleeve 1 and Blower Housing 2.Described
Axle sleeve 1 is hollow circular tube shape, is manufactured by the method that machine adds by stainless steel material, in the inner surface point of 1 upper/lower terminal of axle sleeve
Not She You upper bearing (metal) mounting base 4 and lower bearing mounting base 5, upper bearing (metal) mounting base 4 and lower bearing mounting base 5 are polished surface,
To assemble the mating surface of rotor bearing.Outer surface corresponding with lower bearing mounting base 5 is machined with technique groove 3.The wind
Casing body 2 is plastic material, and having good plastic pressuring process performance and axle sleeve 1, plastic pressure forming is combined as a whole in a mold
Structure.On the Blower Housing 2 on the faying face that axle sleeve 1 is combined 3 corresponding section of technique groove be equipped with false boss 6,
The bond strength that plastic pressuring process processing rear axle housing 1 and Blower Housing 2 can be enhanced prevents from subsequently assembling processing and motor used
Journey bottom bracket axle 1 falls off from Blower Housing 2.
The specific processing method of the utility model is：
First, with stainless steel material, 1 part of axle sleeve is processed using machine adding method, qualification is examined after then adding machine
Axle sleeve 1 is fitted exactly into corresponding position in mold and fixes, finally the injected plastic material into the mold of Blower Housing 2, by axis
Set 1 and Blower Housing 2 together plastic pressure forming.
In use, a kind of high-precision brushless DC blower body construction of the utility model is the agent structure portion of wind turbine
Point, as the basic component of brushless DC blower, the fan parts such as fan rotor and coil are provided, installation space are provided, by
The accessories such as rotor bearing and other corresponding control circuits are assembled thereon to realize its function.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (3)
1. a kind of high-precision brushless DC blower body construction, it is characterised in that：Axle sleeve (1) including metal material and nonmetallic
The Blower Housing (2) of material, the axle sleeve (1) are hollow circular tube shape and structure, in the inner surface point of axle sleeve (1) upper/lower terminal
She You there are not upper bearing (metal) mounting base (4) and lower bearing mounting base (5), the upper bearing (metal) mounting base (4) and lower bearing mounting base (5)
It is polished surface, to assemble the mating surface of rotor bearing, there is technique groove (3) in axle sleeve (1) the lower end outer surface,
Corresponding with false boss (6) on Blower Housing (2), the axle sleeve (1) is mounted on the inside of Blower Housing (2) and plastic compression
It is molded as one structure.
2. a kind of high-precision brushless DC blower body construction according to claim 1, which is characterized in that the axle sleeve
(1) it is the stainless steel material for being suitble to machine to add, is manufactured using mechanical processing technique.
3. a kind of high-precision brushless DC blower body construction according to claim 1, which is characterized in that the wind turbine
Shell (2) uses plastic material, and false boss (6) is equipped with axle sleeve (1) technique groove (3) opposite position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712201.XU CN207660897U (en) | 2017-12-11 | 2017-12-11 | A kind of high-precision brushless DC blower body construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712201.XU CN207660897U (en) | 2017-12-11 | 2017-12-11 | A kind of high-precision brushless DC blower body construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207660897U true CN207660897U (en) | 2018-07-27 |
Family
ID=62939912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721712201.XU Active CN207660897U (en) | 2017-12-11 | 2017-12-11 | A kind of high-precision brushless DC blower body construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207660897U (en) |
-
2017
- 2017-12-11 CN CN201721712201.XU patent/CN207660897U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |