CN219875308U - Motor end structure - Google Patents
Motor end structure Download PDFInfo
- Publication number
- CN219875308U CN219875308U CN202321025487.XU CN202321025487U CN219875308U CN 219875308 U CN219875308 U CN 219875308U CN 202321025487 U CN202321025487 U CN 202321025487U CN 219875308 U CN219875308 U CN 219875308U
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- CN
- China
- Prior art keywords
- heat dissipation
- end cover
- motor
- elastic ring
- bracket
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 47
- 239000007769 metal material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 19
- 238000010438 heat treatment Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a motor end part structure, which relates to the technical field of motors and comprises an end cover and a bracket arranged on the outer side of the end cover, wherein a plurality of connecting parts used for being connected with the end cover are arranged on the bracket, the connecting parts are circumferentially arranged on the outer circumference of the bracket, and a heat dissipation gap is arranged between two adjacent connecting parts, so that the position of the outer end surface of the end cover corresponding to the heat dissipation gap is directly exposed. The motor end structure can increase the area of the end cover exposed in the air and increase the heat dissipation effect of the end cover.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a motor end structure.
Background
The existing motor structure comprises a stator assembly, a rotor assembly, a machine shell, a front cover and a rear end cover, and the end part of the motor is fixedly connected with the metal plate of the whole machine through a rubber ring or a bracket. In the existing end structure, the rubber ring or the bracket is tightly attached to the end cover, most of the outer end surface of the end cover is shielded by the rubber ring or the bracket, and the shielded position cannot be in direct contact with the air outside the motor, so that the heat dissipation effect of the end cover is not ideal.
Disclosure of Invention
The utility model provides a motor end structure, which aims to overcome the defect that most of the outer end face of a motor end cover is shielded by a bracket in the prior art, so that the heat dissipation effect of the end cover is not ideal.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the motor end structure comprises an end cover and a bracket arranged outside the end cover, wherein a plurality of connecting parts used for being connected with the end cover are arranged on the bracket, the connecting parts are circumferentially arranged on the outer circumference of the bracket, and a heat dissipation gap is arranged between every two adjacent connecting parts, so that the outer end face of the end cover is directly exposed at the position corresponding to the heat dissipation gap.
In the above technical scheme, the outer end face of the end cover and the position corresponding to the heat dissipation notch are directly exposed in the air outside the motor, so that the position can be directly contacted with the air outside the motor to dissipate heat, the area of the end cover shielded by the bracket is reduced by the heat dissipation notch, and the heat dissipation effect of the end structure of the motor can be increased.
Preferably, the inner end face of the end cover is provided with a heat dissipation contact part protruding inwards, the heat dissipation contact part is used for being in contact with a control board in the motor, and a second notch is arranged at a position of the support corresponding to the heat dissipation contact part, so that the outer end face of the end cover at the position where the heat dissipation contact part is arranged is directly exposed.
In the above technical scheme, the heat dissipation contact part can be in direct contact with the heating unit on the control board, so that heat of the heating unit is quickly transferred to the heat dissipation contact part, the second notch can enable the outer end face of the position where the contact part is arranged on the end cover to be directly exposed in the air outside the motor, and the position can be directly in contact with the air outside the motor for heat dissipation.
Preferably, the end cap is made of a metallic material. The end cover made of metal materials conducts heat faster, so that heat in the motor can be transferred to the outer side of the end cover faster through the end cover, and the heat dissipation effect is better.
Preferably, one end of the bracket far away from the end cover protrudes outwards to form a protruding part, and an elastic ring is arranged on the protruding part. The support is connected with an external structure through an elastic ring, and the elastic ring has a damping effect.
Preferably, the outer diameter of the elastic ring is smaller than the outer diameter of the connecting portion. The structure can prevent the heat dissipation gap from being completely shielded by the elastic ring, so that the position of the outer end face of the end cover corresponding to the heat dissipation gap can be directly exposed in the air.
Preferably, the connecting portion is provided with a through hole for passing through the fastening piece, and the through hole is arranged on the inner side of the elastic ring and is shielded by the elastic ring. In the technical scheme, the through hole is shielded by the elastic ring, the fastening piece is also shielded by the elastic ring, the fastening piece can be prevented from loosening and falling, and the end structure is more attractive.
Preferably, the elastic ring is in interference fit with the protruding part. The elastic ring is in interference fit with the protruding part, so that the elastic ring is fixedly connected with the protruding part.
Preferably, the outer side wall of the protruding part is provided with a plurality of protrusions, and the inner side wall of the elastic ring is provided with a plurality of grooves matched with the protrusions; or, a plurality of grooves are formed in the outer side wall of the protruding portion, and a plurality of protrusions matched with the grooves are formed in the inner side wall of the elastic ring.
Among the above-mentioned technical scheme, during the installation, through protruding and recess alignment card income, realize circumferential location, improve installation operation convenience and promote, and make the elastic ring more fastening on the support, prevent that the elastic ring from skidding.
Preferably, the center of the end cover is provided with an outwards protruding bearing installation part, the protruding part is sleeved outside the bearing installation part, and a gap is arranged between the protruding part and the bearing installation part.
In the above technical scheme, through the clearance between the bulge and the bearing installation part for support and bearing installation part do not direct contact, make the vibration on the elastic ring can not directly conduct to the bearing installation part through the support, reduced bearing fretting wear, have simultaneously had an effect on sound shielding.
Preferably, the connecting portion and the end cover are fixed by a fastener. In the technical scheme, the fastening piece comprises a bolt, a screw, a pin shaft and the like. The support with the end cover passes through the fastener to be fixed, and fastener installation and dismantlement are more convenient, can improve the convenience of support installation operation greatly.
Drawings
FIG. 1 is a schematic view of the motor end structure of the present utility model;
FIG. 2 is a structural exploded view of the motor end structure of the present utility model;
FIG. 3 is an exploded view of the mounting structure of the end cap and the bracket of the present utility model;
fig. 4 is a schematic view showing a motor end structure mounted on a motor in accordance with the present utility model.
In the figure: the heat dissipation device comprises an end cover 1, a heat dissipation contact part 1.1, a bearing mounting part 1.2, a bracket 2, a connecting part 3, a through hole 3.1, a heat dissipation gap 4, a second gap 5, a protruding part 6, an elastic ring 7, a protrusion 8 and a groove 9.
Detailed Description
The utility model is further described below with reference to the drawings and specific embodiments.
Example 1:
as shown in fig. 1 to 4, a motor end structure comprises an end cover 1 and a bracket 2 arranged outside the end cover 1, wherein a plurality of connecting parts 3 used for being connected with the end cover 1 are arranged on the bracket 2, the plurality of connecting parts 3 are circumferentially arranged on the outer circumference of the bracket 2, and a heat dissipation gap 4 is arranged between two adjacent connecting parts 3, so that the outer end face of the end cover 1 is directly exposed at the position corresponding to the heat dissipation gap 4. The connecting part and the end cover are fixed through a fastener.
In the above technical scheme, the outer end face of the end cover 1 and the position corresponding to the heat dissipation notch 4 are directly exposed in the air outside the motor, so that the position can be directly contacted with the air outside the motor to dissipate heat, the area of the end cover 1 blocked by the bracket 2 is reduced by the heat dissipation notch 4, and the heat dissipation effect of the end structure of the motor can be increased. The fasteners include bolts, screws, pins, and the like. The support with the end cover passes through the fastener to be fixed, and fastener installation and dismantlement are more convenient, can improve the convenience of support installation operation greatly.
The inner end face of the end cover 1 is provided with a heat dissipation contact part 1.1 protruding inwards, the heat dissipation contact part 1.1 is used for being in contact with a control board in a motor, and a second notch 5 is arranged at a position of the support 2 corresponding to the heat dissipation contact part 1.1, so that the outer end face of the end cover 1 at the position where the heat dissipation contact part 1.1 is arranged is directly exposed.
In the above technical scheme, the heat dissipation contact part 1.1 can be in direct contact with the heating unit on the control board, so that the heat of the heating unit is quickly transferred to the heat dissipation contact part 1.1, and the second notch 5 can enable the outer end face of the position where the contact part is arranged on the end cover 1 to be directly exposed in the air outside the motor, and the position can be directly contacted with the air outside the motor for heat dissipation.
Preferably, the end cap 1 is made of a metallic material. The end cover 1 made of metal materials conducts heat faster, so that heat in the motor can be transferred to the outer side of the end cover 1 faster through the end cover 1, and the heat dissipation effect is better.
The end of the bracket 2 far away from the end cover 1 protrudes outwards to form a protruding part 6, and an elastic ring 7 is arranged on the protruding part 6. The elastic ring 7 is in interference fit with the protruding part 6. The outer diameter of the elastic ring 7 is smaller than the outer diameter of the connecting part 3. The support 2 is connected with an external structure through an elastic ring 7, and the elastic ring 7 has a damping effect. The elastic ring 7 and the protruding part 6 are in interference fit, so that the elastic ring 7 and the protruding part 6 are fixedly connected. The outer diameter of the elastic ring 7 is smaller than that of the connecting part 3, so that the heat dissipation gap 4 can be prevented from being completely shielded by the elastic ring 7, and the position of the outer end face of the end cover 1 corresponding to the heat dissipation gap 4 can be directly exposed in the air. The outer diameter of the connecting part 3 is the diameter of the circle where the outer side surface of the connecting part 3 is located.
Preferably, the connecting portion 3 is provided with a through hole 3.1 for passing through a fastener, and the through hole 3.1 is disposed inside the elastic ring 7 and is blocked by the elastic ring 7. In the above technical scheme, the through hole 3.1 is shielded by the elastic ring 7, the fastening piece is also shielded by the elastic ring 7, the fastening piece can be prevented from loosening and falling, and the end structure is more attractive.
Preferably, the center of the end cover 1 is provided with an outwardly protruding bearing mounting portion 1.2, the protruding portion 6 is sleeved outside the bearing mounting portion 1.2, and a gap is provided between the protruding portion 6 and the bearing mounting portion 1.2.
In the above technical scheme, through the clearance between the bulge 6 and the bearing installation department 1.2 for support 2 and bearing installation department 1.2 do not direct contact, make the vibration on the elastic ring 7 can not directly conduct to bearing installation department 1.2 through support 2, reduced bearing fretting wear, have simultaneously to play a role in the sound shielding.
Preferably, the material of the bracket is plastic or resin. The plastic or resin has certain elasticity, can convert part of the energy of vibration into heat energy in the vibration propagation process, reduce vibration, and simultaneously reduce damage to the elastic ring when the elastic ring is pressed into the insulating support.
Preferably, the outer diameter of the elastic ring is smaller than or equal to the inner diameter of the heat dissipation gap, so that the heat dissipation gap can be completely not shielded by the elastic ring.
Preferably, the arc length of the second notch is greater than the arc length of the heat dissipation notch.
It will be appreciated that in one embodiment, the outer side wall of the protruding portion 6 is provided with a plurality of protrusions 8, and the inner side wall of the elastic ring 7 is provided with a plurality of grooves 9 adapted to the protrusions 8. In the above technical scheme, during the installation, through protruding 8 and recess 9 alignment card income, realize circumferential location, improve installation operation convenience and promote, and make elastic ring 7 more fastening on support 2, prevent that elastic ring 7 from skidding.
It can be appreciated that in another embodiment, a plurality of grooves are formed on the outer side wall of the protruding portion, and a plurality of protrusions adapted to the grooves are formed on the inner side wall of the elastic ring. Among the above-mentioned technical scheme, during the installation, through protruding and recess alignment card income, realize circumferential location, improve installation operation convenience and promote, and make the elastic ring more fastening on the support, prevent that the elastic ring from skidding.
Claims (10)
1. The motor end structure comprises an end cover and a bracket arranged outside the end cover, and is characterized in that a plurality of connecting parts used for being connected with the end cover are arranged on the bracket, the connecting parts are circumferentially arranged on the outer circumference of the bracket, and a heat dissipation gap is arranged between every two adjacent connecting parts, so that the outer end face of the end cover is directly exposed at the position corresponding to the heat dissipation gap.
2. The motor end structure according to claim 1, wherein the inner end face of the end cover is provided with a heat dissipation contact portion protruding inwards, the heat dissipation contact portion is used for being in contact with a control board in the motor, and a second notch is formed in a position of the support corresponding to the heat dissipation contact portion, so that the outer end face of the end cover at the position where the heat dissipation contact portion is arranged is directly exposed.
3. A motor end structure as set forth in claim 1 wherein said end cap is made of a metallic material.
4. A motor end structure according to claim 1, 2 or 3, wherein the end of the bracket remote from the end cap projects outwardly to form a projection on which the resilient ring is mounted.
5. A motor end structure according to claim 4, wherein said elastic ring has an outer diameter smaller than an outer diameter of said connecting portion.
6. A motor end structure according to claim 4, wherein said connecting portion is provided with a through hole for passing a fastener, said through hole being provided inside said elastic ring and being shielded by said elastic ring.
7. A motor end structure as set forth in claim 4 wherein said elastomeric ring is an interference fit with said projection.
8. The motor end structure according to claim 4, wherein a plurality of protrusions are provided on an outer sidewall of the protrusion, and a plurality of grooves adapted to the protrusions are provided on an inner sidewall of the elastic ring; or, a plurality of grooves are formed in the outer side wall of the protruding portion, and a plurality of protrusions matched with the grooves are formed in the inner side wall of the elastic ring.
9. The motor end structure according to claim 4, wherein the end cover is provided with a bearing mounting portion protruding outward at a center thereof, the protruding portion is fitted over the bearing mounting portion, and a gap is provided between the protruding portion and the bearing mounting portion.
10. A motor end structure according to claim 1, 2 or 3, wherein said connecting portion and said end cap are fixed by a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321025487.XU CN219875308U (en) | 2023-04-28 | 2023-04-28 | Motor end structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321025487.XU CN219875308U (en) | 2023-04-28 | 2023-04-28 | Motor end structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875308U true CN219875308U (en) | 2023-10-20 |
Family
ID=88323212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321025487.XU Active CN219875308U (en) | 2023-04-28 | 2023-04-28 | Motor end structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219875308U (en) |
-
2023
- 2023-04-28 CN CN202321025487.XU patent/CN219875308U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |