CN208939687U - A kind of stator punching of motor - Google Patents
A kind of stator punching of motor Download PDFInfo
- Publication number
- CN208939687U CN208939687U CN201821500080.7U CN201821500080U CN208939687U CN 208939687 U CN208939687 U CN 208939687U CN 201821500080 U CN201821500080 U CN 201821500080U CN 208939687 U CN208939687 U CN 208939687U
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- China
- Prior art keywords
- punching
- cushion block
- hole
- stator
- punching body
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Abstract
The utility model discloses a kind of stator punchings of motor, it is related to technical field of motors, its key points of the technical solution are that: including circular punching body, circular through hole is offered in the middle part of the punching body, the inner wall of the through-hole has been uniformly distributed circumferentially several winding slots, the punching body is arranged there are four cushion block along the end face of the through-hole axial direction, the cushion block along the through-hole circumferential direction be distributed on the punching body.Cushion block is set, when stator punching carries out stacking composition stator core, will form gap between two neighboring punching body, gap increases the contact area of stator punching and air, strengthens heat dissipation performance；In addition gap also increases the flowing space of air, is conducive to circulation of the gas in stator core, strengthens the heat dissipation performance of each stator punching.In conclusion setting cushion block can strengthen the heat dissipation performance of stator punching, be conducive to the integral heat sink of stator core, so that the operating of motor is more lasting.
Description
Technical field
The utility model relates to technical field of motors, more specifically, it relates to a kind of stator punching of motor.
Background technique
Stator is the stationary part of motor.Stator is made of stator core, stator winding and base three parts.It is fixed
Sub- iron core is formed by tired fold of multiple stator punchings.
It is existing such as the Chinese utility model patent that Authorization Notice No. is CN203416056U, disclose a kind of generator
Stator punching, including circular punching body offer circular through hole in the middle part of the punching body, and the inner wall even distribution of the through-hole has
Several winding slots.
When above-mentioned stator punching carries out multiple superpositions, two mutually adjacent direct binding faces of punching are flat and fit,
Actual in use, heat is not easy to shed, cause the heat dissipation performance of stator punching poor, have much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of stator punching of motor, have preferable
The advantages of heat dissipation performance.
To achieve the above object, the utility model provides following technical solution:
A kind of stator punching of motor, including circular punching body offer circular through hole in the middle part of the punching body, institute
The inner wall for stating through-hole has been uniformly distributed circumferentially several winding slots, and the winding slot offers on the side wall of the through-hole
The notch being connected to the through-hole, the punching body are arranged there are four cushion block along the end face of the through-hole axial direction, the cushion block
Along the through-hole circumferential direction be distributed on the punching body.
Through the above technical solutions, setting cushion block, when stator punching carries out stacking composition stator core, two neighboring punching
Can be because the effect of cushion block form gap between sheet body, gap can increase the contact of stator punching and air on nail iron core
Area strengthens whole heat dissipation performance to a certain extent；In addition gap also can increase the flowing space of air, when setting on motor
When being equipped with heat dissipation dispersion, it is more advantageous to circulation of the gas in stator core, strengthens the heat dissipation performance of each stator punching.It is comprehensive
It closes and states two o'clock, cushion block is set, strengthens the heat dissipation performance of stator punching, is conducive to the integral heat sink of stator core, to make
The operating for obtaining motor is more lasting.
Further, the cushion block is circular sheet body, and the thickness of the cushion block is less than the thickness of the punching body.
Through the above technical solutions, the rounded setting of cushion block, when needing for cushion block to be fixedly welded on punching body, it is only necessary to
The position of cushion block is found accurately, in addition there is no the problems on orientation angle to pad so that the fixation of cushion block is more convenient
The thickness of block is less than the thickness of punching body, so that gap is arranged less than punching body, is conducive to the knot of the nail iron core of superposition composition
Structure intensity.
Further, the punching body offers the installation being correspondingly embedded in for the cushion block on the end face of the cushion block
Slot, the depth of the mounting groove are less than the thickness of the cushion block.
Through the above technical solutions, setting mounting groove, so that two adjacent stator punchings can pass through pad after superposition
The cooperation of block and mounting groove positions, and reduces sliding radially, so that the superposition of stator punching is more stable, the depth of mounting groove
Less than the thickness of cushion block, guarantee the gap formed between adjacent stator punching.
Further, the cushion block is provided with guide surface away from one end of the punching body, and the guide surface is set to institute
It states in the circumferential wall of cushion block.
Through the above technical solutions, setting guide surface, when needing cushion block being directed at mounting groove insertion, guide surface can be risen
To guiding role, so that the step enhanced convenience of cushion block insertion mounting groove.
Further, the mounting groove and the cushion block use transition fit.
Through the above technical solutions, mounting groove and cushion block have one when cushion block is inserted into mounting groove using transition fit
Fixed fastening effect, and cushion block will not generate the sliding on position because of the gap between mounting groove, so that two neighboring fixed
Fixation between sub- punching is more stable.
Further, the punching body is uniformly distributed circumferentially there are four heat release hole, and the heat release hole is arranged in kidney ellipsoid.
Through the above technical solutions, setting heat release hole, so that the gap between two neighboring stator punching passes through heat release hole
It is connected to, is more advantageous to flowing of the air-flow in stator core, so that whole heat dissipation performance obtains further adding
By force, heat release hole is arranged in kidney ellipsoid, compared to rectangular setting, reduce stress at right-angle side and concentrate, in addition kidney ellipsoid
The cleaning for being more advantageous to stator punching is set, it is possible to reduce rectangular setting edge dust accretions are difficult to the case where cleaning.
Further, the lateral wall of the punching body is uniformly distributed circumferentially there are four radiating groove.
Through the above technical solutions, opening up radiating groove, the contact surface elder sister of side wall and air is can be improved in radiating groove, is worked as simultaneously
When stator punching is overlapped combination, radiating groove has the effect of that gas is facilitated to flow, to further enhance heat dissipation performance.
Further, the middle of the radiating groove slot bottom is convexly equipped with reinforcement block, and the reinforcement block is towards far from the through-hole
The direction of axis extends.
Through the above technical solutions, setting reinforcement block, reduces the case where deforming at radiating groove, to strengthen radiating groove
The structural strength of position.
Further, locating slot is also provided on the lateral wall of the punching body, the locating slot is located at two radiating grooves
Between deviate middle position.
Through the above technical solutions, setting locating slot, when needing to be overlapped stator punching, locating slot can be to fixed
Sub- punching carries out positioning action, reduces misalignment when stator punching superposition, while to reduce stator punching anti-for locating slot
To the case where assembling, reduce the generation of defective products, so that stator punching assembling is more convenient.
Compared with prior art, the utility model has the beneficial effects that
(1) pass through setting cushion block, when stator punching carries out stacking composition stator core, meeting between two neighboring punching body
Gap is formed, gap increases the contact area of stator punching and air, strengthens heat dissipation performance；In addition gap also increases sky
The flowing space of gas is conducive to circulation of the gas in stator core, strengthens the heat dissipation performance of each stator punching.To sum up institute
It states, setting cushion block can strengthen the heat dissipation performance of stator punching, be conducive to the integral heat sink of stator core, so that motor
Operating it is more lasting；
(2) by the rounded setting of cushion block, when needing for cushion block to be fixedly welded on punching body, it is only necessary to by cushion block
Position is found accurately, and there is no the problems on orientation angle, so that the fixation of cushion block is more convenient, in addition the thickness of cushion block is small
In the thickness of punching body, so that gap is arranged less than punching body, be conducive to the structural strength of the nail iron core of superposition composition；
(3) by setting guide surface, when needing cushion block being directed at mounting groove insertion, guide surface can play guiding and make
With so that the step enhanced convenience of cushion block insertion mounting groove；
(4) by setting heat release hole, so that the gap between two neighboring stator punching is connected to by heat release hole, more
Be conducive to flowing of the air-flow in stator core, so that whole heat dissipation performance is further reinforced, heat release hole is in
Kidney ellipsoid setting reduces the stress at right-angle side and concentrates, in addition the setting of kidney ellipsoid is more advantageous to compared to rectangular setting
The cleaning of stator punching, it is possible to reduce rectangular setting edge dust accretions are difficult to the case where cleaning.
Detailed description of the invention
Fig. 1 is the overall schematic of embodiment；
Fig. 2 is the structural schematic diagram of cushion block and mounting groove；
Structural schematic diagram when Fig. 3 is the punching body superposition of embodiment.
Appended drawing reference: 1, punching body；2, through-hole；3, winding slot；4, notch；5, cushion block；6, guide surface；7, mounting groove；8,
Heat release hole；9, radiating groove；10, reinforcement block；11, locating slot.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
Embodiment:
A kind of stator punching of motor, as shown in Figure 1, including circular punching body 1, the middle part of punching body 1 offers circle
The axis of shape through-hole 2, the axis and through-hole 2 of punching body 1 coincides.The inner wall of through-hole 2 be uniformly distributed circumferentially several around
Wire casing 3, the quantity of winding slot 3 is 48 in embodiment, and winding slot 3 offers on the side wall of through-hole 2 and through-hole 2 connects
Logical notch 4.
As shown in Figure 1 and Figure 2, there are four cushion blocks 5 for setting along the axial a certain end face of through-hole 2 for punching body 1, and cushion block 5 is along logical
The circumferential direction in hole 2 be distributed on punching body 1.Cushion block 5 be the shape of sheet body and cushion block 5 be it is round, the thickness of cushion block 5 is less than punching
The thickness of sheet body 1, cushion block 5 are provided with guide surface 6 on one end of punching body 1, and guide surface 6 is arc surface and is located at cushion block 5
Circumferential wall on.Punching body 1 offers mounting groove 7 corresponding with cushion block 5 on the end face of cushion block 5, and mounting groove 7 can be for pad
Block 5 is correspondingly embedded in.The depth of mounting groove 7 is less than the thickness of cushion block 5, and the fit system of mounting groove 7 and cushion block 5 is excessively to match
It closes.
As shown in Figure 1, Figure 3, punching body 1 is uniformly distributed circumferentially there are four heat release hole 8, and the shape of heat release hole 8 is in oval
Shape setting.The lateral wall of punching body 1 is uniformly distributed circumferentially there are four radiating groove 9, and radiating groove 9 runs through along 2 axis direction of through-hole
In the both ends of punching body 1.The middle position of 9 slot bottom of radiating groove is convexly equipped with reinforcement block 10, and reinforcement block 10 is towards far from 2 axis of through-hole
Direction extends, and reinforcement block 10 is concordant with punching body 1 along the both ends of 2 axis direction of through-hole.Radiating groove 9 and reinforcement block 10 and
The intersection of punching body 1 is provided with fillet, and radiating groove 9 and reinforcement block 10, punching body 1 form rounding off by fillet.
Be also provided with locating slot 11 on the lateral wall of punching body 1, locating slot 11 along the axial both ends of through-hole 2 through punching body 1, and
Locating slot 11 deviates middle position between two radiating grooves 9.
When being stacked to stator punching, first locating slot 11 is aligned, later by the cushion block 5 of two stator punchings and
The alignment insertion of mounting groove 7, the operation before being repeated in complete the stacking of stator punching to form stator core.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of stator punching of motor, including circular punching body (1), offered in the middle part of the punching body (1) round logical
Hole (2), the inner wall of the through-hole (2) have been uniformly distributed circumferentially several winding slots (3), it is characterised in that: the winding slot
(3) notch (4) being connected to the through-hole (2) is offered on the side wall of the through-hole (2), the punching body (1) is along institute
Setting is stated on the end face of through-hole (2) axial direction there are four cushion block (5), the cushion block (5) along the through-hole (2) circumferential direction with distribution
In on the punching body (1).
2. a kind of stator punching of motor according to claim 1, it is characterised in that: the cushion block (5) is circular
Body, the thickness of the cushion block (5) are less than the thickness of the punching body (1).
3. a kind of stator punching of motor according to claim 1, it is characterised in that: the punching body (1) is away from described
The mounting groove (7) being correspondingly embedded in for the cushion block (5) is offered on the end face of cushion block (5), the depth of the mounting groove (7) is less than
The thickness of the cushion block (5).
4. a kind of stator punching of motor according to claim 3, it is characterised in that: the cushion block (5) deviates from the punching
One end of sheet body (1) is provided with guide surface (6), and the guide surface (6) is set in the circumferential wall of the cushion block (5).
5. a kind of stator punching of motor according to claim 4, it is characterised in that: the mounting groove (7) and the pad
Block (5) uses transition fit.
6. a kind of stator punching of motor according to claim 5, it is characterised in that: the punching body (1) is circumferentially equal
There are four heat release hole (8), the heat release holes (8) to be arranged in kidney ellipsoid for even distribution.
7. a kind of stator punching of motor according to claim 1, it is characterised in that: the lateral wall of the punching body (1)
There are four being uniformly distributed circumferentially radiating groove (9).
8. a kind of stator punching of motor according to claim 7, it is characterised in that: in radiating groove (9) slot bottom
Between be convexly equipped with reinforcement block (10), the reinforcement block (10) towards far from the through-hole (2) axis direction extend.
9. a kind of stator punching of motor according to claim 8, it is characterised in that: the lateral wall of the punching body (1)
On be also provided with locating slot (11), the locating slot (11) deviates middle position between two radiating grooves (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500080.7U CN208939687U (en) | 2018-09-13 | 2018-09-13 | A kind of stator punching of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500080.7U CN208939687U (en) | 2018-09-13 | 2018-09-13 | A kind of stator punching of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939687U true CN208939687U (en) | 2019-06-04 |
Family
ID=66720980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500080.7U Expired - Fee Related CN208939687U (en) | 2018-09-13 | 2018-09-13 | A kind of stator punching of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939687U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611383A (en) * | 2019-09-09 | 2019-12-24 | 合肥凯邦电机有限公司 | Stator punching sheet, stator core and motor |
| CN111262364A (en) * | 2020-03-20 | 2020-06-09 | 嵊州市胜大机械有限公司 | Heat dissipation type rotor iron core and preparation process thereof |
-
2018
- 2018-09-13 CN CN201821500080.7U patent/CN208939687U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110611383A (en) * | 2019-09-09 | 2019-12-24 | 合肥凯邦电机有限公司 | Stator punching sheet, stator core and motor |
| CN111262364A (en) * | 2020-03-20 | 2020-06-09 | 嵊州市胜大机械有限公司 | Heat dissipation type rotor iron core and preparation process thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 Termination date: 20210913 |