CN203082191U - Lubricating system for speed changing box of electric automobile - Google Patents

Lubricating system for speed changing box of electric automobile Download PDF

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Publication number
CN203082191U
CN203082191U CN 201320093372 CN201320093372U CN203082191U CN 203082191 U CN203082191 U CN 203082191U CN 201320093372 CN201320093372 CN 201320093372 CN 201320093372 U CN201320093372 U CN 201320093372U CN 203082191 U CN203082191 U CN 203082191U
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CN
China
Prior art keywords
box
electric automobile
automobile gear
oil
casing
Prior art date
Application number
CN 201320093372
Other languages
Chinese (zh)
Inventor
朱超
宋延大
王占园
何祥延
Original Assignee
上海中科深江电动车辆有限公司
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Application filed by 上海中科深江电动车辆有限公司 filed Critical 上海中科深江电动车辆有限公司
Priority to CN 201320093372 priority Critical patent/CN203082191U/en
Application granted granted Critical
Publication of CN203082191U publication Critical patent/CN203082191U/en

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Abstract

The utility model relates to a lubricating system for a speed changing box of an electric automobile. The lubricating system comprises at least two oil stopping ribs and at least two oil guiding slots, wherein the oil stopping ribs are arranged on and the oil guiding slots are respectively formed in the inner wall of a box body of the speed changing box of the electric automobile, each oil stopping rib is communicated with fluid in each oil guiding slot, and each oil guiding slot is communicated with the fluid at a part required to be lubricated of the electric automobile. Preferably, each oil stopping rib extends to the direction far away the part required to be lubricated. Each oil guiding slot is provided with a radial opening, and each oil stopping rib is communicated with the fluid in the radial opening. The part required to be lubricated is a bearing in the speed changing box of the electric automobile. The oil guiding slots are respectively formed in a front box body and a rear box body, and the oil stopping ribs are respectively arranged on the front box body and the rear box body. The lubricating system for the speed changing box of the electric automobile is smart in design and simple in structure, and the problem that the part required to be lubricated of the speed changing box, such as the bearing, is difficult to lubricate is solved under the conditions that the weight of the speed changing box is not basically increased and the internal space of the speed changing box is not reduced, so that the lubricating system for the speed changing box of the electric automobile is applicable to large-scale popularization and application.

Description

The lubrication system that is used for electric automobile gear-box
Technical field
The utility model relates to electric vehicle drive technology field, and particularly the electric automobile gear-box technical field specifically is meant a kind of lubrication system that is used for electric automobile gear-box.
Background technique
1, existing automobile gearbox generally all is to adopt splash lubrication, promptly in gear box casing, store a certain amount of lubricant oil, during gearbox gear pair high speed rotating lubricating oil is rolled on the related components such as being splashed to required lubricated gear, axle and bearing, because the structure of gearbox is generally comparatively complicated, especially when running up, splash lubrication often can't satisfy lubricating requirement, directly causes the oil lubrication inefficiency thus, has shortened the working life of related components.
2, the gummed phenomenon has appearred at present a lot of automobile gearboxes in transmission process, particularly at the bearing place.Because bearing is wrapped in by the housing of gearbox, adopts traditional splash lubrication generally to be not easy to reach lubricating requirement, has so just reduced the working life of bearing.
3, the existing patented technology that the gearbox lubrication system is designed, be to adopt a device to be set in addition in gearbox mostly, be installed on the housing, though can solve the problem of bearing lubrication, but can increase the weight of gearbox to a certain extent, but also can cause the space in the gearbox to reduce, the heat dispersion variation influences the whole efficiency of gearbox.
Therefore, need provide a kind of lubrication system that is used for electric automobile gear-box, not increase gearbox weight substantially and do not reducing under the situation of gearbox inner space, solve gearbox and need for example bearing place problem that is difficult to lubricate of lubricant housings.
The model utility content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of lubrication system that is used for electric automobile gear-box is provided, this lubrication System Design that is used for electric automobile gear-box is ingenious, simple for structure, substantially do not increasing gearbox weight and do not reducing under the situation of gearbox inner space, solve gearbox and need for example bearing place problem that is difficult to lubricate of lubricant housings, be suitable for large-scale promotion application.
To achieve these goals, the lubrication system that is used for electric automobile gear-box of the present utility model, be characterized in, comprise leakproof oil gluten and oil guide slot, described leakproof oil gluten and described oil guide slot all are installed on the inwall of casing of described electric automobile gear-box, described leakproof oil gluten is communicated with described oil guide slot fluid, and described oil guide slot is communicated with the need lubricant housings fluid of described electric automobile gear-box.
Preferably, described leakproof oil gluten is along extending away from the described direction of lubricant housings that needs.
Preferably, described oil guide slot has radial opening, and described leakproof oil gluten is communicated with the described lubricant housings that needs by described radial opening fluid.
More preferably, the size of described radial opening is 5mm.
Preferably, the described lubricant housings that needs is a bearing in the described electric automobile gear-box.
More preferably, be provided with main shaft in the casing of described electric automobile gear-box, described need the lubricant housings be the fore bearing or the rear bearing of described main shaft.
More preferably, be provided with countershaft in the casing of described electric automobile gear-box, described need the lubricant housings be the fore bearing or the rear bearing of described countershaft.
More preferably, be provided with differential mechanism in the casing of described electric automobile gear-box, described need the lubricant housings be the fore bearing or the rear bearing of described differential mechanism.
Preferably, the casing of described electric automobile gear-box is connected to form by preceding casing and rear box, the number of described oil guide slot also is installed in respectively on described preceding casing and the described rear box at least 2, and the number of described leakproof oil gluten also is installed in respectively on described preceding casing and the described rear box at least 2.
Preferably, described leakproof oil gluten and described oil guide slot are all integrally formed with the inwall of the casing of described electric automobile gear-box.
The beneficial effects of the utility model specifically are: the lubrication system that is used for electric automobile gear-box of the present utility model comprises leakproof oil gluten and oil guide slot, described leakproof oil gluten and described oil guide slot all are installed on the inwall of casing of described electric automobile gear-box, described leakproof oil gluten is communicated with described oil guide slot fluid, described oil guide slot is communicated with the need lubricant housings fluid of described electric automobile gear-box, the lubricant oil guiding oil guide slot of splashing and adhering to casing thereby leakproof oil gluten stirs the gear pair of electric automobile gear-box, be directed to the need lubricant housings by oil guide slot, design ingenious, simple for structure, substantially do not increasing gearbox weight and do not reducing under the situation of gearbox inner space, solve gearbox and need for example bearing place problem that is difficult to lubricate of lubricant housings, be suitable for large-scale promotion application.
Description of drawings
Fig. 1 is the structural representation of rear box of the electric automobile gear-box of a specific embodiment of the present utility model.
Fig. 2 is the structural representation of preceding casing of the electric automobile gear-box of specific embodiment shown in Figure 1.
Fig. 3 is the structural representation of the tooth axle spare in the electric automobile gear-box of specific embodiment shown in Figure 1.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.Wherein identical parts adopt identical reference character.
See also Fig. 1-shown in Figure 3, the lubrication system that is used for electric automobile gear-box of the present utility model comprises leakproof oil gluten 12 and oil guide slot 11, described leakproof oil gluten 12 and described oil guide slot 11 all are installed on the inwall of casing of described electric automobile gear-box, described leakproof oil gluten 12 is communicated with described oil guide slot 11 fluids, and described oil guide slot 11 is communicated with the need lubricant housings fluid of described electric automobile gear-box.
Described leakproof oil gluten 12 can have any suitable shape, sees also Fig. 1-shown in Figure 3, and in specific embodiment of the utility model, described leakproof oil gluten 12 is along extending away from the described direction of lubricant housings that needs.
Described oil guide slot 11 can have any suitable openings, sees also Fig. 1-shown in Figure 3, and in specific embodiment of the utility model, described oil guide slot 11 has radial opening, and described leakproof oil gluten 12 is communicated with the described lubricant housings that needs by described radial opening fluid.
The size of described radial opening can determine as required that in specific embodiment of the utility model, the size of described radial opening is 5mm.
Described need lubricant housings can be any suitable position in the described electric automobile gear-box, and preferably, described need lubricant housings is the bearing in the described electric automobile gear-box.See also shown in Figure 3, in specific embodiment of the utility model, be provided with main shaft 1, countershaft 2 and differential mechanism 3 in the casing of described electric automobile gear-box, described need the lubricant housings be fore bearing 4 and rear bearing 5, the fore bearing 6 of described countershaft 2 and the fore bearing 8 and the rear bearing 9 of rear bearing 7 and described differential mechanism 3 of described main shaft 1.
The casing of described electric automobile gear-box can have any suitable structure, preferably, the casing of described electric automobile gear-box is connected to form by preceding casing 16 and rear box 10, the number of described oil guide slot 11 also is installed in respectively on described preceding casing 16 and the described rear box 10 at least 2, and the number of described leakproof oil gluten 12 also is installed in respectively on described preceding casing 16 and the described rear box 10 at least 2.See also Fig. 1-shown in Figure 3, in specific embodiment of the utility model, the number of described oil guide slot 11 is 6, and the number of described leakproof oil gluten 12 is 4.Described leakproof oil gluten 12 is communicated with the fore bearing 4 of described main shaft 1 and the fore bearing 6 and the rear bearing 7 of rear bearing 5 and described countershaft 2 by 4 described oil guide slot 11 fluids wherein respectively, remain 2 oil guide slot 11 respectively fluid be communicated with the fore bearing 8 and the rear bearing 9 of described differential mechanism 3, promptly fluid is communicated with the fore bearing 8 of described differential mechanism 3 and 2 oil guide slot 11 of rear bearing 9 can not be provided with leakproof oil gluten 12 respectively.
Described leakproof oil gluten 12 and described oil guide slot 11 all are installed on the inwall of casing of described electric automobile gear-box can adopt any suitable structure, in specific embodiment of the utility model, described leakproof oil gluten 12 and described oil guide slot 11 are all integrally formed with the inwall of the casing of described electric automobile gear-box.
When the utility model uses, lubricant oil in the electric automobile gear-box is under the high speed rotating agitaion of gear, be splashed on preceding casing 16 and the rear box 10, owing to be subjected to the effect of gravity, lubricant oil is toward dirty, some can be blocked by leakproof oil gluten 12, thereby flows to oil guide slot 11 along leakproof oil gluten 12, and so just can lubricate each has needed lubricated bearing.By the effect of above lubrication system, be difficult in the electric automobile gear-box lubricated to parts for example bearing just can realize initiatively lubricating.
Hence one can see that, the utility model is to arrange corresponding leakproof oil gluten 12 and oil guide slot 11 on the corresponding casing in need lubricant housings, owing to can being stirred by the gear pair of high speed rotating, the lubricant oil in the electric automobile gear-box splashes, lubricant oil will stick on the preceding casing 16 and rear box 10 of electric automobile gear-box, lubricant oil is owing to the effect that is subjected to gravity will flow down along casing, at this moment, leakproof oil gluten 12 has just played lubricant oil has been guided to effect in the oil guide slot 11, because oil guide slot 11 is connected with bearing to be lubricated, so just can realize lubricant oil is guided to bearing place to be lubricated, realize initiatively lubricated.Such scheme has solved the problem that the part in the gearbox is difficult to lubricate, and can improve the whole lubrication effect of gearbox.In addition, oil guide slot 11 and leakproof oil gluten 12 all are to be arranged on the preceding casing 16 of electric automobile gear-box and the rear box 10, and such design is obviously compact more and efficient, and do not increase the physical dimension of electric automobile gear-box substantially.The utility model has solved a series of deficiencys that general gearbox lubrication system is showed to a great extent.
To sum up, the lubrication System Design that is used for electric automobile gear-box of the present utility model is ingenious, simple for structure, substantially do not increasing gearbox weight and do not reducing under the situation of gearbox inner space, solve gearbox and need for example bearing place problem that is difficult to lubricate of lubricant housings, be suitable for large-scale promotion application.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.

Claims (10)

1. lubrication system that is used for electric automobile gear-box, it is characterized in that, comprise leakproof oil gluten and oil guide slot, described leakproof oil gluten and described oil guide slot all are installed on the inwall of casing of described electric automobile gear-box, described leakproof oil gluten is communicated with described oil guide slot fluid, and described oil guide slot is communicated with the need lubricant housings fluid of described electric automobile gear-box.
2. the lubrication system that is used for electric automobile gear-box according to claim 1 is characterized in that, described leakproof oil gluten is along extending away from the described direction of lubricant housings that needs.
3. the lubrication system that is used for electric automobile gear-box according to claim 1 is characterized in that described oil guide slot has radial opening, and described leakproof oil gluten is communicated with the described lubricant housings that needs by described radial opening fluid.
4. the lubrication system that is used for electric automobile gear-box according to claim 3 is characterized in that, the size of described radial opening is 5mm.
5. the lubrication system that is used for electric automobile gear-box according to claim 1 is characterized in that, described need lubricant housings is the bearing in the described electric automobile gear-box.
6. the lubrication system that is used for electric automobile gear-box according to claim 5 is characterized in that, is provided with main shaft in the casing of described electric automobile gear-box, and described need the lubricant housings be the fore bearing or the rear bearing of described main shaft.
7. the lubrication system that is used for electric automobile gear-box according to claim 5 is characterized in that, is provided with countershaft in the casing of described electric automobile gear-box, and described need the lubricant housings be the fore bearing or the rear bearing of described countershaft.
8. the lubrication system that is used for electric automobile gear-box according to claim 5 is characterized in that, is provided with differential mechanism in the casing of described electric automobile gear-box, and described need the lubricant housings be the fore bearing or the rear bearing of described differential mechanism.
9. the lubrication system that is used for electric automobile gear-box according to claim 1, it is characterized in that, the casing of described electric automobile gear-box is connected to form by preceding casing and rear box, the number of described oil guide slot also is installed in respectively on described preceding casing and the described rear box at least 2, and the number of described leakproof oil gluten also is installed in respectively on described preceding casing and the described rear box at least 2.
10. the lubrication system that is used for electric automobile gear-box according to claim 1 is characterized in that, described leakproof oil gluten and described oil guide slot are all integrally formed with the inwall of the casing of described electric automobile gear-box.
CN 201320093372 2013-02-28 2013-02-28 Lubricating system for speed changing box of electric automobile CN203082191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201320093372 CN203082191U (en) 2013-02-28 2013-02-28 Lubricating system for speed changing box of electric automobile

Publications (1)

Publication Number Publication Date
CN203082191U true CN203082191U (en) 2013-07-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104747697A (en) * 2013-12-26 2015-07-01 陕西汉德车桥有限公司 Axle cover with lubricating oil passage
WO2017063595A1 (en) * 2015-10-16 2017-04-20 北京新能源汽车股份有限公司 Reducer and housing thereof
CN109185439A (en) * 2018-10-30 2019-01-11 北京航天发射技术研究所 A kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type
CN111197649A (en) * 2020-03-12 2020-05-26 奇瑞新能源汽车股份有限公司 Speed reducer shell structure and electric automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104747697A (en) * 2013-12-26 2015-07-01 陕西汉德车桥有限公司 Axle cover with lubricating oil passage
WO2017063595A1 (en) * 2015-10-16 2017-04-20 北京新能源汽车股份有限公司 Reducer and housing thereof
CN109185439A (en) * 2018-10-30 2019-01-11 北京航天发射技术研究所 A kind of two grades of gearbox splash-lubricating systems of electric car fixed shaft type
CN111197649A (en) * 2020-03-12 2020-05-26 奇瑞新能源汽车股份有限公司 Speed reducer shell structure and electric automobile

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