CN208904801U - A kind of fixation device for brushless motor stator - Google Patents
A kind of fixation device for brushless motor stator Download PDFInfo
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- CN208904801U CN208904801U CN201821507641.6U CN201821507641U CN208904801U CN 208904801 U CN208904801 U CN 208904801U CN 201821507641 U CN201821507641 U CN 201821507641U CN 208904801 U CN208904801 U CN 208904801U
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- type fixing
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- stator
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Abstract
The utility model discloses a kind of fixation devices for brushless motor stator, including motor casing, ring-type fixing plate is inserted with inside motor casing, ring-type fixing plate is connected with motor casing by positioning screw, motor stator is inserted with inside ring-type fixing plate, the inner sidewall of motor stator is equipped with several plate stitch, several heat sinks being plugged in inside plate stitch are installed on the inside of ring-type fixing plate, the installation and fixation of motor stator are simple and fast, fixture structure is simple, simple production process, it is at low cost, heat sink, the ring-type fixing plate and heat conduction silicone of aluminum all have heat transmission function, therefore the heat that stator generates can be soon transmitted to outside motor, the motor operation service life is long, it is not easy to burn, and heat conduction silicone also has cushion performance, therefore electric motor internal stator is not easy to damage because of external force, the more stable safety of motor operation.
Description
Technical field
The utility model relates to motor field, specially a kind of fixation device for brushless motor stator.
Background technique
Brshless DC motor is made of motor body and driver, is a kind of typical electromechanical integrated product.Due to
Brushless direct current motor is run with autocontrol, so will not turn as the synchronous motor of heavy load starting under frequency control
Another plus starting winding, will not generate oscillation and step-out in load sudden change on son.The brushless direct current motor of Small And Medium Capacity
Permanent magnet mostly uses rare-earth Nd-Fe-B (Nd-Fe-B) material of high magnetic energy grade now.Therefore, rare earth permanent magnetic brushless motor
Volume ratio reduces a seat No. with capacity threephase asynchronous.
Motor stator is the important component of the motors such as generator and starter motor.Stator is motor part and parcel.
Stator is made of stator core, stator winding and base three parts.The main function of stator is generation rotating excitation field, and rotor
Main function is in rotating excitation field by magnetic force line cutting and then generation (output) electric current.The stator winding of brushless motor is made into more
Three-phase symmetrical star connection, it is quite similar with threephase asynchronous.
But the motor stator of existing brushless motor has the following deficiencies:
(1) stator is typically all and is directly anchored in motor casing, this requires being equipped with special fixed structure in motor casing,
Therefore so that the structure of motor casing is become complicated, to increase the complexity of the production technology of motor casing, improve motor casing
Production cost；
(2) stator is fixed on inside motor, not certain heat dissipation channel, and stator is because coil windings energization thereon is sent out
Heat, therefore stator would generally generate heat, if heat is discharged outside motor not in time, can make stator heat more and more in the past for a long time
Height, so that the insulated paint outside coil be made to damage, thus the accident for easily causing motor to burn, motor service life is short.
Summary of the invention
In order to overcome the shortcomings of prior art, the utility model provides a kind of fixed dress for brushless motor stator
It sets, the installation and fixation of motor stator are simple and fast, and fixture structure is simple, simple production process, and it is at low cost, heat sink,
The ring-type fixing plate and heat conduction silicone of aluminum all have heat transmission function, therefore the heat that stator generates can soon be transmitted to electricity
Outside machine, the motor operation service life is long, is not easy to burn, and heat conduction silicone also has a cushion performance, thus electric motor internal stator be not easy because
External force and damage, the more stable safety of motor operation, can effectively solve background technique propose the problem of.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of fixation device for brushless motor stator, including motor casing, the inside of the motor casing are inserted with annular
Fixed plate, the ring-type fixing plate are equipped with the first screw hole, and the motor casing is equipped with the second screw hole, first screw hole and institute
The second screw hole one-to-one correspondence is stated, and is inserted with positioning screw in the first screw hole, the positioning screw is far from first screw hole
The other end is inserted in the second screw hole corresponding with first screw hole；
Motor stator, side wall of the motor stator towards the ring-type fixing plate are inserted with inside the ring-type fixing plate
Several plate stitch are offered, heat sink is inserted in the plate stitch, the heat sink is connected to the inner sidewall of the ring-type fixing plate.
Optionally, the contact jaw of the positioning screw and the first screw hole is equipped with seal washer.
Optionally, the inner sidewall of the motor casing is equipped with several strip grooves, if the lateral wall of the ring-type fixing plate is equipped with
Dry spacing cutting, the spacing cutting are inserted in the strip groove.
Optionally, the heat sink and ring-type fixing plate are aluminium sheet, the seam between the ring-type fixing plate and motor casing
Heat conduction silicone is filled in gap.
Optionally, the outer diameter of the motor stator is 0.5-0.8mm smaller than the internal diameter of ring-type fixing plate, the motor stator and
It is equipped with jack on ring-type fixing plate, is inserted with locating rod in the jack.
Compared with prior art, the utility model has the beneficial effects that
(1) ring-type fixing plate of the utility model is positioned in motor casing by spacing cutting, and ring-type fixing plate passes through
Positioning screw is fixed in motor casing, and motor stator is fixed in ring-type fixing plate by locating rod and heat sink again, and it is fixed to make
The installation and fixation of son are simpler quick, and fixture structure is simple, simple production process, at low cost；
(2) heat sink of the utility model, the ring-type fixing plate of aluminum and heat conduction silicone all have heat transmission function, therefore
The heat that stator generates can be soon transmitted to outside motor, and stator generates heat is discongested in time, and the motor operation service life is long, is not easy to burn
It ruins, and heat conduction silicone also has cushion performance, therefore electric motor internal stator is not easy to damage because of external force, the more stable peace of motor operation
Entirely.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the utility model stator fixing apparatus.
Figure label:
1- motor casing；2- ring-type fixing plate；3- positioning screw；4- motor stator；5- heat sink；6- seal washer；7- item
Shape slot；8- spacing cutting；9- heat conduction silicone；
41- plate stitch；42- jack；43- locating rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the utility model provides a kind of fixation device for brushless motor stator, including motor casing 1,
The inside for stating motor casing 1 is inserted with ring-type fixing plate 2, and ring-type fixing plate 2 is equipped with the first screw hole, and motor casing 1 is equipped with second
Screw hole, the first screw hole and the second screw hole correspond, and positioning screw 3 is inserted in the first screw hole, and positioning screw 3 is far from first
The other end of screw hole is inserted in the second screw hole corresponding with the first screw hole.Positioning screw 3 and the contact jaw of the first screw hole are equipped with
Seal washer 6, seal washer 6 can guarantee the leakproofness of motor casing 1, prevent dust from entering in motor.
The inner sidewall of motor casing 1 is equipped with several strip grooves 7, and the lateral wall of ring-type fixing plate 2 is equipped with several spacing cuttings 8,
Spacing cutting 8 is inserted in strip groove 7.When spacing cutting 8 injects in strip groove 7, ring-type fixing plate 2 and stator will not
It is rotated in motor casing 1, the screw hole on ring-type fixing plate 2 is corresponding with the screw hole on motor casing 1 at this time, at this time by several positioning
Screw rod 3, which injects in corresponding screw hole, can be such that motor casing 1 and ring-type fixing plate 2 is tightly secured together.
Motor stator 4 is inserted with inside ring-type fixing plate 2, if the side wall of motor stator 4 towards ring-type fixing plate 2 offers
Dry plate stitches 41, is inserted with heat sink 5 in plate stitch 41, heat sink 5 is connected to the inner sidewall of ring-type fixing plate 2, and heat sink 5 can rise
The effect for preventing stator from rotating to fixed stator, and the heat that stator generates capable of being taken on ring-type fixing plate 2, then aluminum
Ring-type fixing plate 2 again comes out heat, is transmitted to outside motor casing 1 by heat conduction silicone 9, accelerates the heat dissipation speed of stator
Degree, improves the motor operation service life.
Heat sink 5 and ring-type fixing plate 2 are all made of aluminum material production, can also use copper or albronze material system
Make, heat transfer efficiency is high, and quickly stator heat transfer can be gone out.It is filled out in gap between ring-type fixing plate 2 and motor casing 1
Filled with heat conduction silicone 9, the heat of stator can not only be quickly transmitted on motor casing 1 by heat conduction silicone 9, and heat conductive silica gel
Layer 9 has elasticity, can play certain buffer function, protect the stable work of electric motor internal stator, improve motor operation
Stability.
The outer diameter of motor stator 4 is 0.5-0.8mm smaller than the internal diameter of ring-type fixing plate 2, and motor stator 4 can be easily inserted annular
In fixed plate 2, it is equipped with jack 42 on motor stator 4 and ring-type fixing plate 2, locating rod 43 is inserted in jack 42.Motor is fixed
Son 4 on jack 42 and ring-type fixing plate 42 on jack 42 correspond, locating rod 43 be inserted in two jacks 42 when
It waits, motor stator 4 can be made to be fixed in ring-type fixing plate 2, stator is avoided to rotate, alleviate the pressure of heat sink 5.
The fixation device fixed stator method of the stator of the utility model is simple, quick for installation, and structure is simple, production work
Skill is simple, at low cost, and has heat sinking function, can improve the service life and motor operation stability of stator.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (5)
1. a kind of fixation device for brushless motor stator, including motor casing (1), it is characterised in that: the motor casing (1)
Inside is inserted with ring-type fixing plate (2), and the ring-type fixing plate (2) is equipped with the first screw hole, and the motor casing (1) is equipped with the
Two screw holes, first screw hole and second screw hole correspond, and positioning screw (3) are inserted in the first screw hole, described
Positioning screw (3) is inserted in the second screw hole corresponding with first screw hole far from the other end of first screw hole；
It is inserted with motor stator (4) inside the ring-type fixing plate (2), the motor stator (4) is towards the ring-type fixing plate
(2) side wall offers several plate stitch (41), is inserted with heat sink (5) in the plate stitch (41), the heat sink (5) is connected to
The inner sidewall of the ring-type fixing plate (2).
2. a kind of fixation device for brushless motor stator according to claim 1, it is characterised in that: the positioning spiral shell
The contact jaw for following closely (3) and the first screw hole is equipped with seal washer (6).
3. a kind of fixation device for brushless motor stator according to claim 1, it is characterised in that: the motor casing
(1) inner sidewall is equipped with several strip grooves (7), and the lateral wall of the ring-type fixing plate (2) is equipped with several spacing cuttings (8), institute
Spacing cutting (8) is stated to be inserted in the strip groove (7).
4. a kind of fixation device for brushless motor stator according to claim 1, it is characterised in that: the heat sink
(5) and ring-type fixing plate (2) is aluminium sheet, filled with thermally conductive in the gap between the ring-type fixing plate (2) and motor casing (1)
Layer of silica gel (9).
5. a kind of fixation device for brushless motor stator according to claim 1, it is characterised in that: the motor is fixed
The outer diameter of sub (4) is 0.5-0.8mm smaller than the internal diameter of ring-type fixing plate (2), on the motor stator (4) and ring-type fixing plate (2)
It is equipped with jack (42), is inserted with locating rod (43) in the jack (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507641.6U CN208904801U (en) | 2018-09-14 | 2018-09-14 | A kind of fixation device for brushless motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821507641.6U CN208904801U (en) | 2018-09-14 | 2018-09-14 | A kind of fixation device for brushless motor stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208904801U true CN208904801U (en) | 2019-05-24 |
Family
ID=66572531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821507641.6U Active CN208904801U (en) | 2018-09-14 | 2018-09-14 | A kind of fixation device for brushless motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208904801U (en) |
-
2018
- 2018-09-14 CN CN201821507641.6U patent/CN208904801U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fixing device for stator of brushless motor Effective date of registration: 20210624 Granted publication date: 20190524 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN WEITE HARDWARE PLASTIC PRODUCT Co.,Ltd. Registration number: Y2021980005226 |