CN202550756U - Drive motor case of automobile - Google Patents
Drive motor case of automobile Download PDFInfo
- Publication number
- CN202550756U CN202550756U CN2012201413830U CN201220141383U CN202550756U CN 202550756 U CN202550756 U CN 202550756U CN 2012201413830 U CN2012201413830 U CN 2012201413830U CN 201220141383 U CN201220141383 U CN 201220141383U CN 202550756 U CN202550756 U CN 202550756U
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- inner casing
- outer cage
- case
- casing
- groove
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Abstract
The utility model discloses a drive motor case of an automobile. The drive motor case comprises inner cases and outer cases, wherein ribs are arranged between two end faces of the inner case; each rib is provided with a plurality of fastening holes and two grooves; the grooves are respectively positioned on two opposite faces on the rib; the number of outer cases is the same as that of ribs on the inner case; bosses with a plurality of fastening holes are formed at both ends of each outer case; a sealing platform inserted in the groove is formed below the boss; the outer case and the inner case are fixed through the fastener and the fastening holes; a sealing member is arranged between each outer case and each inner case; and the end part of the sealing member is inlayed in the groove and positioned on the inner side of the sealing platform. By adopting the case, the weight of the case can be lowered, the heat dissipation is improved, the sealing structure is simple and reliable, special equipment such as a welding machine is not required in the assembling process, and the case is easy to produce.
Description
Technical field
The utility model relates to a kind of casing structure, specifically belongs to a kind of automobile drive electric motor casing.
Background technology
Along with the deterioration of shortage of energy sources and living environment, the development of new-energy automobile has been trend of the times, and wherein drive motors is as critical piece, and its performance requirement is also increasingly high.The casing of external motor adopts the aluminium alloy lost foam manufacturing usually, and the integraty of its casting makes it have higher sealing, right its complex process, and cost is higher, has not only limited the heat dispersion of casing, and has limited the possibility of its production domesticization.
State's inner casing adopts the axial sleeve formula structure that combines spiral cooling water channel more; Wherein inner casing is entangled by toroidal shell; As shown in Figure 1; The external diameter of end face 2 is greater than the external diameter of internal water main part, and the external diameter of internal water main part is greater than the external diameter of end face 1, and end face 1 adopts welding to seal with end face 2 places more.Because casing must be positioned on the inner casing with the outside bolt hole that is connected, otherwise not only influences sealing property, but also can aggravate bearing vibration; Influence motor performance; So telescopic structural limitations inner casing thickness, simultaneously, casing thickness is directly proportional with the thermal resistance of stator to cooling water; Thickness is much, is unfavorable for the motor cooling.The excessive automobile that makes of the flow resistance of spiral cooling water channel proposes requirements at the higher level to the low-pressure system and the complete machine cooling system of controller.In addition, technologies such as welding are adopted in the sealing of state's inner casing more, complex process, and higher to the particular device dependency degree.
The utility model content
The utility model technical problem to be solved provides a kind of automobile drive electric motor casing, can weight reduction, improve thermal diffusivity and sealing reliability, and reduce flow resistance and process complexity.
For solving the problems of the technologies described above; The automobile drive electric motor casing that the utility model provides comprises inner casing and outer cage; Have convex tendon between the both ends of the surface of said inner casing, have a plurality of fastener holes and two grooves on the said convex tendon, said groove lays respectively on two relative on convex tendon faces; The quantity of convex tendon is identical on the sheet number of said outer cage and the inner casing; The two ends of every outer cage all are formed with the boss with a plurality of fastener holes, and the boss below is formed with the sealing platform that inserts in the groove, and said outer cage and inner casing are fixed through securing member and fastener hole; And between every outer cage and the inner casing seal is housed, the end of said seal embeds in the groove and is positioned at the inboard of sealing platform.
Further, be formed with at least two convex tendons on the said inner casing.
In said structure, the cross sectional shape of sealing platform is a wedge shape on the said outer cage.
Wherein, be formed with water channel on the said inner casing, the both ends of inner casing are formed with a plurality of fixed feet that are connected with external equipment, and the inner casing external diameter at water channel place is less than the inner casing external diameter at fixed feet place.
Further, said outer cage is an arcuate structure.
The beneficial effect of the utility model is:
1, the casing structure of the utility model can adopt the small walled that keeps foundry goods body sealing, reaches lightweight, and thin-walled improves heat dispersion simultaneously;
2, the casing of the utility model adopts open relatively structure, devise optimum heat-exchange system on one's own initiative, thus further strengthen the thermal diffusivity of motor, optimize motor performance;
3, the casing of the utility model is simple but have hermetically-sealed construction efficiently, and this structure is less demanding for its formed precision, thereby avoids complicated machine work to practice thrift cost;
4, the utility model is simply assembled with bolt, need not to increase technologies such as welding and gluing, and assembling process is simple and efficient, has reduced the dependency degree to particular device, increases the sustainability of producing.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 1 is the structural representation of existing casing;
Fig. 2 is the stereochemical structure exploded view of the utility model;
Fig. 3 is the structural representation of inner casing in the utility model;
Fig. 4 is the structural representation of outer cage in the utility model;
Fig. 5 is the structural representation of seal in the utility model;
Fig. 6 is the sketch map of the groove on the inner casing in the utility model.
Wherein description of reference numerals is following:
1 is last outer cage; 2 is inner casing; 3 is seal; 4 are following outer cage; 5 is convex tendon; 6 is groove; 7 is the wedge shape platform; 8 is water channel.
Embodiment
The automobile drive electric motor casing of the utility model is the example explanation with two outer cages, and is as shown in Figure 2, comprises inner casing 2, goes up outer cage 1, following outer cage 4 and two seals, and said inner casing 2 is cylindric, and last outer cage 1 is an arcuate structure with following outer cage 4.
As shown in Figure 3, have two convex tendons 5 between the both ends of the surface of inner casing 2, have four fastener holes and two grooves 6 on every convex tendon 5, said groove 6 lays respectively on two relative on the convex tendon 5 faces.Be formed with water channel 8 on the inner casing 2, its both ends are formed with a plurality of fixed feet that are connected with external equipment, and the inner casing external diameter at water channel 8 places is less than the inner casing external diameter at fixed feet place.
The two ends of last outer cage 1 and following outer cage 4 all are formed with a boss; Four fastener holes are all arranged on each boss; Said fastener hole matches with fastener hole on the convex tendon 5, and is as shown in Figure 4, and the below of each boss is formed with the wedge shape platform 7 that inserts in convex tendon 5 upper grooves 6; Last outer cage 1, the boss of outer cage 4 and the convex tendon 5 of inner casing 2 cooperatively interact down; And fix (like bolt) through securing member and fastener hole, and seal 3 is clogged respectively in the space between last shell body 1-inner casing 3 and inner casing 3-lower casing body 4, and the end of seal 3 embeds in the groove 6 and is positioned at the inboard of wedge shape platform 7.
As shown in Figure 3; The fixed feet of inner casing end needs bigger wall thickness, and the required wall thickness of water channel part is less, and outer cage 1, time outer cage 4 and inner casing 2 water channels partly form hermetically-sealed construction utilizations in; Avoided abundant fixed feet part, realized lightweight and strengthen the heat radiation purpose.
The casing structure of the utility model is not only applicable to the form of upper and lower two outer cages, and is equally applicable to the hermetically-sealed construction and the product of any multi-disc (>=2) outer cage and inner casing formation.In addition, groove is any bathtub construction that can give the seal lateral pressure, and the cross sectional shape that the outer cage end is used for embedding the sealing platform of groove also can change according to the shape of groove.
This casing structure can adopt the small walled that keeps foundry goods body sealing on the one hand, reaches light-weighted characteristics, and thin-walled also can improve heat dispersion on the other hand.Casing adopts open relatively structure, can avoid moulding process basically and devise optimum heat-exchange system on one's own initiative, thereby further strengthens the thermal diffusivity of motor, optimizes motor properties.Casing structure is simple but have hermetically-sealed construction efficiently, and this structure is less demanding for its formed precision, thereby avoids complicated machine work to practice thrift cost.This structure is simply assembled with bolt, need not to increase technologies such as welding and gluing, so assembling is simple and efficient, has reduced the dependency degree to particular device, increases the sustainability of producing.
More than through specific embodiment the utility model has been carried out detailed explanation, this embodiment only is the preferred embodiment of the utility model, it is not that the utility model is limited.Under the situation that does not break away from the utility model principle, equivalent replacement and improvement that those skilled in the art makes shape of quantity, groove and the sealing platform of outer cage etc. all should be regarded as in the technological category that the utility model is protected.
Claims (5)
1. an automobile drive electric motor casing is characterized in that: comprise inner casing and outer cage, have convex tendon between the both ends of the surface of said inner casing; Have a plurality of fastener holes and two grooves on the said convex tendon; Said groove lays respectively on two relative on convex tendon faces, and the quantity of convex tendon is identical on the sheet number of said outer cage and the inner casing, and the two ends of every outer cage all are formed with the boss with a plurality of fastener holes; The boss below is formed with the sealing platform that inserts in the groove; Said outer cage and inner casing are fixed through securing member and fastener hole, and between every outer cage and the inner casing seal are housed, and the end of said seal embeds in the groove and is positioned at the inboard of sealing platform.
2. automobile drive electric motor casing according to claim 1 is characterized in that: be formed with at least two convex tendons on the said inner casing.
3. automobile drive electric motor casing according to claim 1 is characterized in that: the cross sectional shape of sealing platform is a wedge shape on the said outer cage.
4. automobile drive electric motor casing according to claim 1; It is characterized in that: be formed with water channel on the said inner casing; The both ends of inner casing are formed with a plurality of fixed feet that are connected with external equipment, and the inner casing external diameter at water channel place is less than the inner casing external diameter at fixed feet place.
5. automobile drive electric motor casing according to claim 1 is characterized in that: said outer cage is an arcuate structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201413830U CN202550756U (en) | 2012-04-06 | 2012-04-06 | Drive motor case of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201413830U CN202550756U (en) | 2012-04-06 | 2012-04-06 | Drive motor case of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202550756U true CN202550756U (en) | 2012-11-21 |
Family
ID=47171323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201413830U Expired - Lifetime CN202550756U (en) | 2012-04-06 | 2012-04-06 | Drive motor case of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202550756U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346643A (en) * | 2013-07-09 | 2013-10-09 | 宁波腾隆户外用品有限公司 | Liquid cooling motor |
| CN103390965A (en) * | 2013-07-09 | 2013-11-13 | 宁波腾隆户外用品有限公司 | Liquid cooled motor |
| CN106411048A (en) * | 2015-07-28 | 2017-02-15 | 周文三 | Improved structure of heat radiation motor |
| CN106762656A (en) * | 2017-01-21 | 2017-05-31 | 浙江创为真空设备有限公司 | A kind of pump case of screw vacuum pump |
| CN109690918A (en) * | 2016-09-21 | 2019-04-26 | Zf 腓德烈斯哈芬股份公司 | Electric drive unit with coolant jacket |
| CN112177926A (en) * | 2020-09-30 | 2021-01-05 | 浙江思科瑞真空技术有限公司 | Pump body design |
-
2012
- 2012-04-06 CN CN2012201413830U patent/CN202550756U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346643A (en) * | 2013-07-09 | 2013-10-09 | 宁波腾隆户外用品有限公司 | Liquid cooling motor |
| CN103390965A (en) * | 2013-07-09 | 2013-11-13 | 宁波腾隆户外用品有限公司 | Liquid cooled motor |
| CN106411048A (en) * | 2015-07-28 | 2017-02-15 | 周文三 | Improved structure of heat radiation motor |
| CN106411048B (en) * | 2015-07-28 | 2019-01-22 | 周文三 | Improved structure of heat radiation motor |
| CN109690918A (en) * | 2016-09-21 | 2019-04-26 | Zf 腓德烈斯哈芬股份公司 | Electric drive unit with coolant jacket |
| CN109690918B (en) * | 2016-09-21 | 2021-10-19 | Zf 腓德烈斯哈芬股份公司 | Electric drive unit with cooling jacket |
| CN106762656A (en) * | 2017-01-21 | 2017-05-31 | 浙江创为真空设备有限公司 | A kind of pump case of screw vacuum pump |
| CN106762656B (en) * | 2017-01-21 | 2019-02-12 | 浙江创为真空设备股份有限公司 | A kind of pump case of screw vacuum pump |
| CN112177926A (en) * | 2020-09-30 | 2021-01-05 | 浙江思科瑞真空技术有限公司 | Pump body design |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |