CN208401666U - The plastic structure of DC brushless motor die casting sealed lid - Google Patents
The plastic structure of DC brushless motor die casting sealed lid Download PDFInfo
- Publication number
- CN208401666U CN208401666U CN201820638337.9U CN201820638337U CN208401666U CN 208401666 U CN208401666 U CN 208401666U CN 201820638337 U CN201820638337 U CN 201820638337U CN 208401666 U CN208401666 U CN 208401666U
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- China
- Prior art keywords
- die casting
- motor
- finishing
- finishing die
- upper cover
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model provides the plastic structure of DC brushless motor die casting sealed lid, including motor body, central spindle, finish die casting motor upper cover, finish die casting motor lower cover, bearing one and bearing two, central spindle is assemblied in the middle part of motor body, finishing die casting motor lower cover is assemblied in motor body lower end, finishing die casting motor lower cover interior lower end is equipped with bearing one, central spindle lower end is connected by bearing one with finishing die casting motor lower cover, finishing die casting motor upper cover is assemblied in motor body upper end, finishing die casting motor upper cover inner upper end is equipped with bearing two, central spindle upper end passes through finishing die casting motor upper cover, and it extends on the upside of finishing die casting motor upper cover, and central spindle is connected by bearing two with finishing die casting motor upper cover, the design assembly precision is high, it is easy to assembly, the utility model protection effect is good, just In assembly manipulation, assembly precision is high.
Description
Technical field
The utility model is the plastic structure of DC brushless motor die casting sealed lid, belongs to DC motor technology field.
Background technique
Existing DC brushless motor production method mainly has hardware stamping part closing lid and plastic two kinds of EMC, and disadvantage is such as
Under: 1) precision of existing hardware stamping part closing lid installation bearing position not high enough；2) since precision is inadequate, existing hardware stamping part is closed
Lid motor assembly process is complicated, and the later period also needs to adjust, and production efficiency is lower；3) existing metal shell motor ratio is less easily made
Insulation processing is also easy to produce shock hazard；4) existing plastic motor is molded using EMC, complex process, to job requirements height, efficiency
Low and corollary equipment requires very high；5) the bad control of dimensional accuracy error of existing hardware casing motor, there is flash and appearance
It is coarse unsightly, and it is on-insulated not dust-proof non-moistureproof and easy by electrostatic interference, so needing a kind of DC brushless motor
The plastic structure of die casting sealed lid is to solve the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide DC brushless motor die casting sealed lid packet
Structure is moulded, to solve the problems mentioned in the above background technology, the utility model protection effect is good, is convenient for assembly manipulation, assembly
Precision is high.
To achieve the goals above, the utility model is achieved through the following technical solutions: DC brushless motor pressure
Cast the plastic structure of sealed lid, including motor body, central spindle, finishing die casting motor upper cover, injection molding it is plastic, finishing die casting electricity
Machine lower cover, bearing one and bearing two, the central spindle are assemblied in the middle part of motor body, the finishing die casting motor lower cover assembly
In motor body lower end, the finishing die casting motor lower cover interior lower end is equipped with bearing one, and the central spindle lower end passes through axis
It holds one to be connected with finishing die casting motor lower cover, the finishing die casting motor upper cover is assemblied in motor body upper end, described
Finishing die casting motor upper cover inner upper end is equipped with bearing two, and the central spindle upper end passes through finishing die casting motor upper cover, and
It extends on the upside of finishing die casting motor upper cover, and central spindle is connected by bearing two with finishing die casting motor upper cover, it is described
It is molded plastic be assemblied in and finishes die casting motor upper cover and finishing die casting motor lower cover lateral surface.
In one embodiment, the finishing die casting motor upper cover and finishing die casting motor lower cover are all made of aluminium alloy
It is made after die casting through precise numerical control machine smart car.
In one embodiment, the plastic annular side of injection molding is machined with bracing wire hole, and installation is flexible inside bracing wire hole
Rubber mat.
In one embodiment, the finishing die casting motor upper cover and finishing die casting motor lower cover are in convex knot
Structure.
In one embodiment, the injection molding plastic inner annular side middle position is machined with annular convex platform, and convex annular
Platform setting is between finishing die casting motor upper cover and finishing die casting motor lower cover, and annular convex platform inner annular side and electricity
Machine ontology annular side fits.
In one embodiment, the finishing die casting motor upper cover and finishing die casting motor under lid on offer it is reserved
Screw hole.
The utility model has the beneficial effects that the plastic structure of DC brushless motor die casting sealed lid of the utility model, because
The utility model is added to finishing die casting motor upper cover, is molded plastic, finishing die casting motor lower cover, bearing one and bearing
Two, the design assembly precision is high, and easy to assembly, exquisite appearance is not hurt hands, in addition to insulating and can reach dust-proof, moisture-proof, antistatic
And the effect of noise-reducing, the precision for solving hardware stamping part closing lid installation bearing position in the prior art is not high enough, assembler
Sequence is complicated, and the later period also needs to adjust, and production efficiency is lower, is also easy to produce shock hazard, and appearance is coarse unsightly, and on-insulated,
It is not dust-proof, it is non-moistureproof, and be easy by electrostatic interference the problem of.
Because the utility model is added to bracing wire hole, which is convenient for the wiring of motor body, because the utility model is added to
Annular convex platform, the design improve the intensity of the present apparatus, and the utility model protection effect is good, are convenient for assembly manipulation, assembly precision
It is high.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon:
Fig. 1 is the structural schematic diagram of the plastic structure of the utility model DC brushless motor die casting sealed lid；
In figure: 1- motor body, 2- central spindle, 3- finishing die casting motor upper cover, 4- injection molding is plastic, 5- finishing die casting is electric
Machine lower cover, 6- bearing one, 7- bearing two.
Specific embodiment
Before describing the embodiments in more detail, it should be understood that the utility model is not limited in the application hereafter or attached drawing
Described in detailed construction or arrangement of elements.The embodiment that the utility model can be realized for other way.Moreover, it should manage
Solution, the words and terms used herein are for illustrative purposes only, should not be interpreted in a limited way." packet used herein
Include ", "comprising", the similar wording such as " having " means comprising items listed thereafter, its equivalent and other additional things.It is special
It is not that when describing " a certain component ", it also may include more that the utility model, which does not limit the quantity of the element as one,
It is a.
Referring to Fig. 1, the utility model provides a kind of technical solution: the plastic knot of DC brushless motor die casting sealed lid
Structure, including motor body 1, central spindle 2, finishing die casting motor upper cover 3, injection molding are plastic 4, finishing die casting motor lower cover 5, bearing
One 6 and bearing 27, central spindle 2 is assemblied in 1 middle part of motor body, and finishing die casting motor lower cover 5 is assemblied under motor body 1
End, finishing 5 interior lower end of die casting motor lower cover are equipped with bearing 1, and 2 lower end of central spindle passes through bearing 1 and finishing die casting
Motor lower cover 5 is connected, and finishing die casting motor upper cover 3 is assemblied in 1 upper end of motor body, finishes in die casting motor upper cover 3
Portion upper end is equipped with bearing 27, and 2 upper end of central spindle passes through finishing die casting motor upper cover 3, and extends on finishing die casting motor
3 upside of lid, and central spindle 2 is connected by bearing 27 with finishing die casting motor upper cover 3, injection molding plastic 4 is assemblied in finishing pressure
It casts motor upper cover 3 and finishing 5 lateral surface of die casting motor lower cover, the design solves hardware stamping part closing lid in the prior art
The precision for installing bearing position is not high enough, and assembly process is complicated, and the later period also needs to adjust, and production efficiency is lower, is also easy to produce electric shock danger
Danger, appearance is coarse unsightly, and on-insulated, not dust-proof, non-moistureproof, and the problem of be easy by electrostatic interference.
Finishing die casting motor upper cover 3 and finishing die casting motor lower cover 5 are all made of after aluminium alloy compression casting through accurate number
Control lathe smart car is made, and is molded plastic 4 annular side and is machined with bracing wire hole, and is equipped with elastic rubber pad, finishing inside bracing wire hole
Work die casting motor upper cover 3 and finishing die casting motor lower cover 5 are in convex structure, are molded in plastic 4 inner annular side
Between position be machined with annular convex platform, and annular convex platform setting is in finishing die casting motor upper cover 3 and finishing die casting motor lower cover 5
Between, and annular convex platform inner annular side fits with 1 annular side of motor body, finishes die casting motor upper cover 3 and essence
Reserved screw hole is offered on processing die casting motor lower cover 5.
Specific embodiment: it in use, since 1 outer surface of motor body carries out complete machine package injection molding plastic 4, rises
Arrived good insulation effect, and had anti-pressure ability certain, be molded relative to EMC it is low for manufacturing technique requirent, it is raw
Produce it is more efficient, due to finishing die casting motor upper cover 3 and finishing die casting motor lower cover 5 be all made of after die casting through high-precision
The mode of close numerically-controlled machine tool finishing is processed, and so that bearing position installation accuracy is reached positive negative one micron, it is ensured that motor body 1
High-precision concentricity does not need the debugging for carrying out the later period again, working hour is greatly saved, so that the packaging technology of motor body 1
Simply, when assembling, finishing die casting motor upper cover 3 is inserted in the bearing 27 in central spindle 2,5 sets of die casting motor lower cover will be finished
Enter the bearing 1 under central spindle 2, then finishing die casting motor upper cover 3 and finishing about 5 die casting motor lower cover conjunction are fastened
On motor body 1, the installation locked and complete motor body 1 of tightening up a screw by reserved screw hole, the design is protected convenient for assembling
Property is good.
Concepts described herein may be embodied to other forms without departing from its spirit and characteristics.It is disclosed
The specific embodiments are to be considered as illustrative and not restrictive.Therefore, the scope of the utility model is by appended right
It is required that instead of making decisions based on these previous descriptions.Within the literal meaning and equivalent scope of the claims any
Change all should belong to these the scope of the claims.
Claims (5)
1. the plastic structure of DC brushless motor die casting sealed lid, including motor body, central spindle, finishing die casting motor upper cover,
It is molded plastic, finishing die casting motor lower cover, bearing one and bearing two, it is characterised in that: the central spindle is assemblied in motor sheet
In the middle part of body, the finishing die casting motor lower cover is assemblied in motor body lower end, subordinate in the finishing die casting motor lower cover
End is equipped with bearing one, and the central spindle lower end is connected by bearing one with finishing die casting motor lower cover, the finishing pressure
Casting motor upper cover is assemblied in motor body upper end, and the finishing die casting motor upper cover inner upper end is equipped with bearing two, described
Central spindle upper end passes through finishing die casting motor upper cover, and extends on the upside of finishing die casting motor upper cover, and central spindle passes through bearing
Two are connected with finishing die casting motor upper cover, and the injection molding is plastic to be assemblied in finishing die casting motor upper cover and finishing pressure
Cast motor lower cover lateral surface.
2. the plastic structure of DC brushless motor die casting sealed lid according to claim 1, it is characterised in that: the injection molding
Plastic annular side is machined with bracing wire hole, and is equipped with elastic rubber pad inside bracing wire hole.
3. the plastic structure of DC brushless motor die casting sealed lid according to claim 1, it is characterised in that: the finishing
Work die casting motor upper cover and finishing die casting motor lower cover are in convex structure.
4. the plastic structure of DC brushless motor die casting sealed lid according to claim 1, it is characterised in that: the injection molding
Plastic inner annular side middle position is machined with annular convex platform, and annular convex platform setting is in finishing die casting motor upper cover and essence
It processes between die casting motor lower cover, and annular convex platform inner annular side fits with motor body annular side.
5. the plastic structure of DC brushless motor die casting sealed lid according to claim 1, it is characterised in that: the finishing
Reserved screw hole is offered on lid under work die casting motor upper cover and finishing die casting motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638337.9U CN208401666U (en) | 2018-04-28 | 2018-04-28 | The plastic structure of DC brushless motor die casting sealed lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820638337.9U CN208401666U (en) | 2018-04-28 | 2018-04-28 | The plastic structure of DC brushless motor die casting sealed lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208401666U true CN208401666U (en) | 2019-01-18 |
Family
ID=65061113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820638337.9U Expired - Fee Related CN208401666U (en) | 2018-04-28 | 2018-04-28 | The plastic structure of DC brushless motor die casting sealed lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208401666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676781A (en) * | 2020-12-23 | 2021-04-20 | 宁波勋辉电器有限公司 | Manufacturing method of automobile inverter box body |
| CN113364190A (en) * | 2021-05-25 | 2021-09-07 | 浙江亚特电器有限公司 | Motor with small air gap, machining and assembling method of motor and electric tool |
-
2018
- 2018-04-28 CN CN201820638337.9U patent/CN208401666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676781A (en) * | 2020-12-23 | 2021-04-20 | 宁波勋辉电器有限公司 | Manufacturing method of automobile inverter box body |
| CN113364190A (en) * | 2021-05-25 | 2021-09-07 | 浙江亚特电器有限公司 | Motor with small air gap, machining and assembling method of motor and electric tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20200428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |