CN111446803A - A waterproof connection structure for new energy automobile motor - Google Patents
A waterproof connection structure for new energy automobile motor Download PDFInfo
- Publication number
- CN111446803A CN111446803A CN202010203006.4A CN202010203006A CN111446803A CN 111446803 A CN111446803 A CN 111446803A CN 202010203006 A CN202010203006 A CN 202010203006A CN 111446803 A CN111446803 A CN 111446803A
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- new energy
- energy automobile
- bearing
- motor
- plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/124—Sealing of shafts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a waterproof connection structure for new energy automobile motor, it includes: the bearing press plate is characterized in that a boss and a groove are arranged on one side surface of the bearing press plate, the groove is circumferentially arranged around the boss, and the boss is provided with a blind hole; the cover plate is arranged on the surface of one side of the bearing pressure plate, the cover plate is provided with counter bores, the positions and the number of the counter bores correspond to those of the bosses, and the counter bores can accommodate the bosses; the connecting piece is arranged in the counter bore and the blind hole, and the bearing pressing plate is connected with the cover plate through the connecting piece; and the sealing element is arranged in the groove and is positioned between the bearing pressing plate and the cover plate. The bearing pressing plate is rotated, and the boss is correspondingly matched with the counter bore, so that the assembly efficiency is improved, and the risk of water leakage is avoided in the thread clearance.
Description
Technical Field
The invention relates to a waterproof connecting structure for a new energy automobile motor, and belongs to the field of new energy automobile motor manufacturing.
Background
For example, Chinese patent Z L201820196572.5 discloses a positioning structure of a bearing pressure plate, which comprises a motor end cover and a bearing pressure plate, wherein the motor end cover is provided with a bearing chamber for accommodating the bearing, the bearing pressure plate is packaged outside the bearing chamber and is connected with the motor end cover for axially positioning the bearing, a first positioning part is arranged on the periphery of the bearing chamber on the motor end cover, a second positioning part is arranged on the bearing pressure plate, the positioning of the bearing pressure plate and the motor end cover is realized through the matching of the first positioning part and the second positioning part, threaded holes are correspondingly arranged on the motor end cover and the bearing pressure plate, the screw is arranged in the threaded hole to realize the connection of the bearing pressure plate and the motor end cover, the positioning of the bearing pressure plate and the motor end cover is realized through the matching of the first positioning part and the second positioning part, the structure can avoid a complicated alignment process, ensure the accurate positioning of the bearing pressure plate and the motor end cover, simplify the bearing pressure plate installation efficiency, and save bearing assembly cost.
However, in the structure, the seam of the screw has the risk of water leakage, and meanwhile, the positioning component and the connecting component are independently arranged, so that the structural complexity is increased, and more space is occupied.
In view of the above, the present invention is directed to a waterproof connecting structure for a motor of a new energy vehicle, which solves one or more of the above technical problems.
Disclosure of Invention
In order to solve one or more technical problems in the prior art, according to an aspect of the present invention, there is provided a waterproof connecting structure for a motor of a new energy vehicle, including:
the bearing press plate is characterized in that a boss and a groove are arranged on one side surface of the bearing press plate, the groove is circumferentially arranged around the boss, and the boss is provided with a blind hole;
the cover plate is arranged on the surface of one side of the bearing pressure plate, the cover plate is provided with counter bores, the positions and the number of the counter bores correspond to those of the bosses, and the counter bores can accommodate the bosses;
the connecting piece is arranged in the counter bore and the blind hole, and the bearing pressing plate is connected with the cover plate through the connecting piece; and
and the sealing element is arranged in the groove and is positioned between the bearing pressing plate and the cover plate.
According to yet another aspect of the invention, the blind hole extends into the bearing press plate.
According to another aspect of the invention, the bearing pressing plate is a front end bearing pressing plate of a new energy automobile motor.
According to another aspect of the invention, the cover plate is a front end cover of a new energy automobile motor.
According to another aspect of the invention, the bearing pressing plate presses the bearing outer ring of the new energy automobile motor.
According to still another aspect of the present invention, the boss is plural and is circumferentially provided on the one side surface of the bearing presser.
According to a further aspect of the invention, the number of said counterbores and connectors corresponds to the number of said bosses.
According to still another aspect of the present invention, the counterbore includes a first receiving portion, a second receiving portion, and a third receiving portion, which are arranged in this order.
According to yet another aspect of the present invention, the first receiving portion has a first diameter, the second receiving portion has a second diameter, and the third receiving portion has a third diameter, the first diameter and the third diameter being greater than the second diameter.
According to yet another aspect of the invention, the connection is a threaded connection.
Compared with the prior art, the invention has one or more of the following technical effects:
1) the bearing pressing plate is rotated, and positioning is finished when the boss is correspondingly matched with the counter bore, so that the assembly efficiency is improved;
2) the blind hole design on the boss greatly reduces the risk of water leakage;
3) through the design of the groove on the surface of the bearing pressure plate and the sealing element, the risk of water leakage is further reduced, and the requirement of the integral sealing protection grade IP67 of the motor can be met;
4) the boss provided with the blind hole integrates the installation positioning function, the connection function and the waterproof function, the thickness of the bearing plate is not required to be increased while the connection strength is guaranteed, the problem that a positioning part and a connecting part are independently arranged in the prior art is solved, the structure is simplified, the weight is reduced, the space occupation is reduced, and the waterproof performance is improved.
Drawings
So that the manner in which the above recited features of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments. The drawings relate to preferred embodiments of the invention and are described below:
fig. 1 is a sectional view of a waterproof connecting structure for a motor of a new energy vehicle according to a preferred embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of the waterproof connection structure for the motor of the new energy vehicle in fig. 1;
fig. 3 is a structural schematic view of a counter bore of a waterproof connecting structure for a motor of a new energy vehicle according to a preferred embodiment of the present invention;
fig. 4 is a schematic structural view of a bearing pressing plate of a waterproof connection structure for a motor of a new energy vehicle according to a preferred embodiment of the present invention;
fig. 5 is a structural schematic view of a counter bore of a waterproof connecting structure for a motor of a new energy automobile according to still another preferred embodiment of the present invention;
FIG. 6 is an enlarged partial schematic view of a counterbore in accordance with yet another preferred embodiment of the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Reference will now be made in detail to the various embodiments, one or more examples of which are illustrated in each figure. The examples are provided by way of explanation and are not meant as limitations. For example, features illustrated or described as part of one embodiment can be used on or in conjunction with any other embodiment to yield yet a further embodiment. It is intended that the present invention encompass such modifications and variations.
In the following description of the drawings, like reference numerals designate identical or similar structures. Generally, only the differences between the individual embodiments will be described. Descriptions of parts or aspects in one embodiment can also be applied to corresponding parts or aspects in another embodiment, unless explicitly stated otherwise.
Referring to fig. 1 to 4, according to a preferred embodiment of the present invention, there is provided a waterproof connecting structure for a motor of a new energy automobile, including:
the bearing pressure plate 1 is provided with a boss 11 and a groove 12 on one side surface, the groove 12 is arranged around the boss 11 in the circumferential direction, and the boss 11 is provided with a blind hole 13;
the cover plate 2 is arranged on the surface of one side of the bearing pressure plate 1, the cover plate 2 is provided with counter bores, the positions and the number of the counter bores correspond to those of the bosses, and the counter bores can accommodate the bosses 11;
the connecting piece 3 is arranged in the counter bore and the blind hole 13, and the bearing pressing plate 1 is connected with the cover plate 2 through the connecting piece 3; and
and the sealing element is arranged in the groove 12 and is positioned between the bearing pressure plate 1 and the cover plate 2.
For example, the counter bores correspond to the positions and the number of the bosses 11 one by one, for example, the number of the counter bores and the number of the bosses 11 are both 6, but the invention is not limited thereto. Alternatively, the number of counterbores is greater than the number of bosses 11.
It can be understood that the waterproof connecting structure for the new energy automobile motor can solve the problems of water leakage risk and difficulty in installation and positioning existing at the installation screw hole of the bearing pressure plate 1 at the front end of the motor in the prior art. The boss provided with the blind hole integrates an installation positioning function, a connection function and a waterproof function, the thickness of the bearing plate is not required to be increased while the connection strength is guaranteed, the structure is simplified, the weight is reduced, the occupied space is reduced, and the waterproof performance is improved.
According to a further preferred embodiment of the invention, the blind hole 13 extends into the bearing pressure plate 1.
According to another preferred embodiment of the present invention, the bearing pressing plate 1 is a front end bearing pressing plate 1 of a new energy automobile motor.
According to another preferred embodiment of the present invention, the cover plate 2 is a front cover of a new energy automobile motor.
According to another preferred embodiment of the invention, the bearing pressing plate 1 presses the bearing outer ring of the new energy automobile motor.
According to another preferred embodiment of the present invention, referring to fig. 4, the boss 11 is plural and is circumferentially disposed on the one side surface of the bearing pressure plate 1.
According to a further preferred embodiment of the invention the number of said counterbores and connectors 3 corresponds to the number of said bosses 11.
According to a further preferred embodiment of the present invention, referring to fig. 3, the counterbore includes a first receiving portion 21, a second receiving portion 22 and a third receiving portion 23 which are arranged in this order. The third receiving portion 23 is for receiving the boss 11.
According to a further preferred embodiment of the present invention, the first receiving portion 21 is, for example, cylindrical. Referring to fig. 5, the cover plate 2 may be further provided with a water collection groove 24 at the first receiving portion 21 for preventing water from entering the second receiving portion 22.
According to a further preferred embodiment of the invention, said first housing part 21 has a first diameter L1, said second housing part 22 has a second diameter L2, said third housing part 23 has a third diameter L3, said first diameter L1 and third diameter L3 are larger than said second diameter L2. preferably, referring to fig. 3 and 5, a first step is formed between said first housing part 21 and said second housing part 22, and a second step 25 is formed between said second housing part 22 and said third housing part 23. for example, said first diameter L1 is larger than said third diameter L3, and said third diameter L3 is larger than said second diameter L2, so as to create a tight connection between said connection member 3 and said counterbore, blind hole 13, further improving the sealing effect, but the invention is not limited thereto, further, referring to fig. 3, said first step and said second step are both planar, see, but not limited thereto, fig. 5, said first step is planar, said second step 25 includes a corresponding ramp, said step also includes a step adapted to a water-proof, said step adapted to a water-proof ramp-up step-up-down-up-down-up-down-.
According to a further preferred embodiment of the invention, said connection 3 is a threaded connection 3.
According to another preferred embodiment of the invention, the waterproof connecting structure for the new energy automobile motor can be used for processing uniformly distributed protruding steps on the traditional bearing pressing plate 1, and can play a role of complete sealing by being matched with the drilled threaded blind hole 13 (without penetrating). At the step root, process out the slot for the installation O type circle, when the taut bearing clamp plate 1 of bolt, O type circle also is compressed tightly simultaneously, plays radial sealed effect, can prevent that liquid such as water from getting into inside the motor. And counterbores are matched and punched correspondingly to the front end cover and are matched and positioned with the raised steps.
It can be understood that the groove at the root of the step and the O-shaped ring can realize radial sealing, and the raised step is matched with the counter bore of the front end cover to carry out circumferential positioning. That is, the positioning boss 11 is matched with the front end cover counter bore to realize the positioning of the bearing pressure plate 1 and the front end cover, and the radial sealing of the tail end of the thread gap can be realized by the O-shaped ring through the tightening of the bolt and the bearing pressure plate 1.
Compared with the prior art, the invention has one or more of the following technical effects:
1) the bearing pressing plate is rotated, and positioning is finished when the boss is correspondingly matched with the counter bore, so that the assembly efficiency is improved;
2) the blind hole design on the boss greatly reduces the risk of water leakage;
3) the water leakage risk is further reduced by the grooves on the surface of the bearing pressure plate and the design of the sealing piece;
4) the boss provided with the blind hole integrates the installation positioning function, the connection function and the waterproof function, the thickness of the bearing plate is not required to be increased while the connection strength is guaranteed, the problem that a positioning part and a connecting part are independently arranged in the prior art is solved, the structure is simplified, the weight is reduced, the space occupation is reduced, and the waterproof performance is improved.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention, and the features of the embodiments that do not violate each other may be combined with each other. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a waterproof connection structure for new energy automobile motor which characterized in that includes:
the bearing press plate is characterized in that a boss and a groove are arranged on one side surface of the bearing press plate, the groove is circumferentially arranged around the boss, and the boss is provided with a blind hole;
the cover plate is arranged on the surface of one side of the bearing pressure plate, the cover plate is provided with counter bores, the positions and the number of the counter bores correspond to those of the bosses, and the counter bores can accommodate the bosses;
the connecting piece is arranged in the counter bore and the blind hole, and the bearing pressing plate is connected with the cover plate through the connecting piece; and
and the sealing element is arranged in the groove and is positioned between the bearing pressing plate and the cover plate.
2. The waterproof connecting structure for the motor of the new energy automobile according to claim 1, wherein the blind hole extends into the bearing pressing plate.
3. The waterproof connecting structure for the new energy automobile motor according to claim 1 or 2, wherein the bearing pressing plate is a front end bearing pressing plate of the new energy automobile motor.
4. The waterproof connecting structure for the new energy automobile motor according to claim 3, wherein the cover plate is a front end cover of the new energy automobile motor.
5. The waterproof connecting structure for the new energy automobile motor according to claim 3, wherein the bearing pressing plate presses the bearing outer ring of the new energy automobile motor.
6. The waterproof connecting structure for the motor of the new energy automobile according to claim 1 or 2, wherein the boss is provided in plurality and circumferentially provided on the one side surface of the bearing presser plate.
7. The waterproof connecting structure for the motor of the new energy automobile according to claim 6, wherein the number of the counter bores and the connecting pieces corresponds to the number of the bosses.
8. The waterproof connecting structure for the motor of the new energy automobile according to claim 1 or 2, wherein the counter bore includes a first receiving portion, a second receiving portion, and a third receiving portion that are arranged in this order.
9. The waterproof connecting structure for a motor of a new energy automobile according to claim 8, wherein the first receiving portion has a first diameter, the second receiving portion has a second diameter, and the third receiving portion has a third diameter, and the first diameter and the third diameter are larger than the second diameter.
10. The waterproof connection structure for a new energy automobile motor according to claim 1 or 2, characterized in that the connection member is a threaded connection member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010203006.4A CN111446803B (en) | 2020-03-20 | 2020-03-20 | A waterproof connection structure for new energy automobile motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010203006.4A CN111446803B (en) | 2020-03-20 | 2020-03-20 | A waterproof connection structure for new energy automobile motor |
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| Publication Number | Publication Date |
|---|---|
| CN111446803A true CN111446803A (en) | 2020-07-24 |
| CN111446803B CN111446803B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010203006.4A Active CN111446803B (en) | 2020-03-20 | 2020-03-20 | A waterproof connection structure for new energy automobile motor |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104963596A (en) * | 2015-07-29 | 2015-10-07 | 南车成都机车车辆有限公司 | Mounting and fixing device for single layer of glass of DF4 locomotive side wall |
| CN204733004U (en) * | 2015-05-19 | 2015-10-28 | 成都华川电装有限责任公司 | AMT motor shell cover sealing construction |
| CN206191547U (en) * | 2016-11-25 | 2017-05-24 | 东莞华明灯具有限公司 | Outdoor lamp waterproof construction |
| CN107525615A (en) * | 2017-09-01 | 2017-12-29 | 北京中博力科测控技术有限公司 | A kind of protection device of closed measurement of rolling force sensor |
| CN207939311U (en) * | 2018-02-05 | 2018-10-02 | 长城汽车股份有限公司 | A kind of location structure of bearing plate |
| CN211701685U (en) * | 2020-03-20 | 2020-10-16 | 江苏汤臣汽车零部件有限公司 | New energy automobile motor waterproof connection structure of easy location installation |
-
2020
- 2020-03-20 CN CN202010203006.4A patent/CN111446803B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204733004U (en) * | 2015-05-19 | 2015-10-28 | 成都华川电装有限责任公司 | AMT motor shell cover sealing construction |
| CN104963596A (en) * | 2015-07-29 | 2015-10-07 | 南车成都机车车辆有限公司 | Mounting and fixing device for single layer of glass of DF4 locomotive side wall |
| CN206191547U (en) * | 2016-11-25 | 2017-05-24 | 东莞华明灯具有限公司 | Outdoor lamp waterproof construction |
| CN107525615A (en) * | 2017-09-01 | 2017-12-29 | 北京中博力科测控技术有限公司 | A kind of protection device of closed measurement of rolling force sensor |
| CN207939311U (en) * | 2018-02-05 | 2018-10-02 | 长城汽车股份有限公司 | A kind of location structure of bearing plate |
| CN211701685U (en) * | 2020-03-20 | 2020-10-16 | 江苏汤臣汽车零部件有限公司 | New energy automobile motor waterproof connection structure of easy location installation |
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| Publication number | Publication date |
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| CN111446803B (en) | 2021-07-30 |
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