CN214177041U - Motor sealing structure - Google Patents
Motor sealing structure Download PDFInfo
- Publication number
- CN214177041U CN214177041U CN202120233656.3U CN202120233656U CN214177041U CN 214177041 U CN214177041 U CN 214177041U CN 202120233656 U CN202120233656 U CN 202120233656U CN 214177041 U CN214177041 U CN 214177041U
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- CN
- China
- Prior art keywords
- radiator
- protective cover
- motor
- heat sink
- groove
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Abstract
The application discloses a motor sealing structure, which comprises a shell, a radiator, a substrate and a protective cover; a housing in which a rotor and a stator are housed; a heat sink disposed on an axial upper side of the housing; a substrate arranged on an upper side in an axial direction of the heat sink and having an electronic component mounted thereon; a protective cover surrounding the substrate from a radially outer side; the radiator is provided with a sealing surface, and a groove part which is opened along the axial direction is arranged on the sealing surface; a radiator flange portion extending in a radial direction of the radiator main body; a fixing hole part located on the flange part of the radiator; the protective cover is provided with a lower end part and an outer convex part; the utility model discloses following beneficial effect has: the lower tip disect insertion of safety cover is in the slot part of radiator, and passes through the bonding agent bonding between safety cover and the radiator and fix together, and the cooperation of the two is stable, and water-proof effects is good.
Description
Technical Field
The utility model relates to a motor field especially relates to a motor seal structure.
Background
In the existing sealed electromechanical integrated motor, a protective cover and a radiator are provided with a sealing ring in a groove part of the radiator, the protective cover is fixed on the radiator through a plastic buckle at the outer side, and the lower end part of the protective cover is in interference fit with the sealing ring to prevent water.
The sealing structure has the following disadvantages that firstly, the plastic buckle is very easy to break, and can not be fixed with a radiator under the condition of breaking, so that the waterproof effect of the sealing ring is invalid; secondly, the plastic buckle and the radiator can not be completely fixed, and displacement may occur under the condition of vibration or impact, so that the sealing ring and the lower end part are matched to generate displacement, and the waterproof failure is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, a motor seal structure is proposed.
The utility model adopts the following technical scheme:
a motor sealing structure comprises a shell, a radiator, a substrate and a protective cover; a housing in which a rotor and a stator are housed; a heat sink disposed on an axial upper side of the housing; a substrate arranged on an upper side in an axial direction of the heat sink and having an electronic component mounted thereon; a protective cover surrounding the substrate from a radially outer side; the radiator is provided with a sealing surface, and a groove part which is opened along the axial direction is arranged on the sealing surface; a radiator flange portion extending in a radial direction of the radiator main body; a fixing hole part located on the flange part of the radiator; the protective cover is provided with a lower end part and an outer convex part;
a lower end portion inserted into the groove portion;
an outer convex portion located above the lower end portion and extending radially outward, an inner convex portion located above the lower end portion and extending radially inward, the outer convex portion being in contact with the sealing surface, the inner convex portion being vertically opposed to the sealing surface with a first space therebetween, an outer flange portion extending radially along the outer convex portion, and a through hole being provided;
the inside of the groove portion and the first space are filled with an adhesive, and the protective cover outer side through hole and the heat sink fixing hole portion are fixed by a screw.
The lower tip disect insertion of safety cover is in the slot part of radiator, and passes through the bonding agent bonding between safety cover and the radiator and fix together, and the cooperation of the two is stable, and water-proof effects is good.
Optionally, the groove portion extends in a circumferential direction and surrounds a motor central axis.
The central axis of the housing is also the central axis of the motor.
Alternatively, a distance in the up-down direction between the radially inner end of the inner flange portion and the seal surface may be equal to a distance in the up-down direction between the radially inner end of the inner flange portion and the seal surface.
Alternatively, a second space may be formed between the bottom of the groove and the lower end, and a lower surface of the lower end may be vertically opposed to a bottom surface of the groove with the second space interposed therebetween.
Optionally, the heat sink and the protective cover are fixed together by screws.
The mode of screw fixation is adopted, and the radiator is more reliably fixed with the protection cover.
Optionally, the number of the fixing hole portions is not less than 3.
Optionally, the adhesive is silicone rubber.
The adhesive is silicon rubber which is cured under the excitation of moisture in the atmosphere at room temperature.
The utility model has the advantages that: the lower end part of the protective cover is directly inserted into the groove part of the radiator, and the protective cover and the radiator are bonded and fixed together through the adhesive, so that the protective cover and the radiator are stably matched and have good waterproof effect; the mode of screw fixation is adopted, and the radiator is more reliably fixed with the protection cover.
Description of the drawings:
FIG. 1 is a motor assembly shaft view;
FIG. 2 is a cross-sectional view of the motor assembly;
FIG. 3 is a front view of the motor assembly;
FIG. 4 is a front view of the protective cover;
FIG. 5 is an axial view of the heat sink;
FIG. 6 is a partial cross-sectional view of the seal;
fig. 7 is a sectional view of the protective cover.
The figures are numbered: 1. a cover 2, a heat sink, 3, a case, 4, a vent valve, 5, an electronic component, 6, a substrate, 7, a cover sealing portion, 8, a motor terminal, 9, an outer flange portion, 10, a cover main body portion, 11, a through hole, 12, a cover connector portion, 13, a holding hole, 14, a heat sink flange portion, 15, a sealing surface, 16, an outer convex portion, 17, a lower end portion, 18, an inner convex portion, 19, a first space, 20, a second space, 21, a fixing hole portion, 22, and a cover through hole.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, a motor sealing structure includes a housing 3, a heat sink 2, a substrate 6 and a protective cover 1; a housing 3 in which a rotor and a stator are housed; a heat sink 2 disposed axially above the housing 3; a substrate 6 disposed on an upper side in an axial direction of the heat sink 2 and on which the electronic component 5 is mounted; a protective cover 1 surrounding the substrate 6 from the outside in the radial direction; the heat sink 2 has a sealing surface 15, and a groove portion that opens axially upward is provided in the sealing surface 15; a radiator 2 flange portion extending in a radial direction of the radiator 2 main body; a fixing hole 21 located in the flange of the radiator 2; the protective cover 1 has a lower end portion 17 and an outer convex portion 16;
a lower end portion 17 inserted into the groove portion;
an outer convex portion 16 located above the lower end portion 17 and extending radially outward, an inner convex portion 18 located above the lower end portion 17 and extending radially inward, the outer convex portion 16 being in contact with the sealing surface 15, the inner convex portion 18 vertically opposing the sealing surface 15 via a first space 19, and an outer flange portion 9 extending radially along the outer convex portion 16 and provided with a through hole 11;
the inside of the groove portion and the first space 19 are filled with an adhesive, and the outer through hole 11 of the protective cover 1 and the fixing hole 21 of the heat sink 2 are fixed by screws.
The lower end 17 of the protection cover 1 is directly inserted into the groove of the radiator 2, and the protection cover 1 and the radiator 2 are bonded and fixed together through the adhesive, so that the protection cover and the radiator are stably matched and have good waterproof effect.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the groove portion extends in the circumferential direction and surrounds the motor central axis J.
The central axis of the housing 3 is also the central axis J of the motor.
As shown in fig. 1, 2, 3, 4, 5, 6, and 7, the distance in the vertical direction between the radially inner end of the inner flange portion and the sealing surface 15 is equal to the distance in the vertical direction between the radially inner end of the inner flange portion and the sealing surface 15.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, a second space 20 is formed between the bottom of the groove and the lower end 17, and the lower surface of the lower end 17 faces the bottom of the groove in the vertical direction through the second space 20.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the heat sink 2 and the protective cover 1 are fixed together by screws.
The radiator 2 is fixed with the protective cover 1 more reliably by adopting a screw fixing mode.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the number of the fixing hole portions 21 is not less than 3.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the adhesive is silicone rubber.
The adhesive is silicon rubber which is cured under the excitation of moisture in the atmosphere at room temperature.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, an electronic component 5 is mounted on a substrate 6.
The protective cover 1 is further provided with a protective cover sealing portion 7, a protective cover main body portion 10, a protective cover connector portion 12, and a protective cover through hole 22. The radiator 2 is also provided with a radiator flange portion 14. The protective cover 1 is further provided with a motor terminal 8, a breather valve 4, and a holding hole 13. The central axis J in fig. 2 is the central axis J of the entire housing.
The aforesaid only is the preferred embodiment of the utility model discloses a not consequently restrict promptly the utility model discloses a patent protection scope, all applications the utility model discloses the equivalent transform that the specification was done, direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a protection scope.
Claims (7)
1. A motor sealing structure comprises a shell, a radiator, a substrate and a protective cover; a housing in which a rotor and a stator are housed; a heat sink disposed on an axial upper side of the housing; a substrate arranged on an upper side in an axial direction of the heat sink and having an electronic component mounted thereon; a protective cover surrounding the substrate from a radially outer side; the radiator is provided with a sealing surface, and a groove part which is opened along the axial direction is arranged on the sealing surface; a radiator flange portion extending in a radial direction of the radiator main body; a fixing hole part located on the flange part of the radiator; wherein the protective cover has a lower end portion and an outer convex portion;
a lower end portion inserted into the groove portion;
an outer convex portion located above the lower end portion and extending radially outward, an inner convex portion located above the lower end portion and extending radially inward, the outer convex portion being in contact with the sealing surface, the inner convex portion being vertically opposed to the sealing surface with a first space therebetween, an outer flange portion extending radially along the outer convex portion, and a through hole being provided;
the inside of the groove portion and the first space are filled with an adhesive, and the protective cover outer side through hole and the heat sink fixing hole portion are fixed by a screw.
2. The motor seal structure of claim 1, wherein the groove portion extends circumferentially and surrounds a motor central axis.
3. The motor seal structure according to claim 1, wherein a distance in the up-down direction between the radially inner end of the inner flange portion and the seal surface is equal to a distance in the up-down direction between the radially inner end of the inner flange portion and the seal surface.
4. The motor sealing structure according to claim 1, wherein a second space is formed between a bottom of the groove and the lower end, and a lower surface of the lower end faces a bottom surface of the groove in a vertical direction through the second space.
5. The motor sealing structure of claim 1, wherein the heat sink and the protective cover are fixed together by screws.
6. The motor sealing structure according to claim 1, wherein the number of the fixing hole portions is not less than 3.
7. The motor sealing structure of claim 1, wherein the adhesive is silicone rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120233656.3U CN214177041U (en) | 2021-01-26 | 2021-01-26 | Motor sealing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202120233656.3U CN214177041U (en) | 2021-01-26 | 2021-01-26 | Motor sealing structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN214177041U true CN214177041U (en) | 2021-09-10 |
Family
ID=77594209
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202120233656.3U Active CN214177041U (en) | 2021-01-26 | 2021-01-26 | Motor sealing structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN214177041U (en) |
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2021
- 2021-01-26 CN CN202120233656.3U patent/CN214177041U/en active Active
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