CN206175633U - Lubricating structure is arranged to dual input shafting oil way - Google Patents

Lubricating structure is arranged to dual input shafting oil way Download PDF

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Publication number
CN206175633U
CN206175633U CN201621147572.3U CN201621147572U CN206175633U CN 206175633 U CN206175633 U CN 206175633U CN 201621147572 U CN201621147572 U CN 201621147572U CN 206175633 U CN206175633 U CN 206175633U
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China
Prior art keywords
oil
input shaft
oil duct
counterbore
output shaft
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Active
Application number
CN201621147572.3U
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Chinese (zh)
Inventor
刘旭
王梅俊
张成海
李林
余建华
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Dongfeng Commercial Vehicle Co Ltd
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Dongfeng Commercial Vehicle Co Ltd
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Priority to CN201621147572.3U priority Critical patent/CN206175633U/en
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Abstract

The utility model provides a lubricating structure is arranged to dual input shafting oil way, includes the solid input shaft of coaxial setting, hollow input shaft and output shaft, solid input shaft coordinates through the hollow input shaft rotation that a bearing, the 2nd bearing established rather than the outside cover respectively, and the output of solid input shaft passes through double -row tapered roller bearing and coordinates with the rotatory of output shaft, the middle part of solid input shaft is provided with lubricated oil duct, lubricated oil duct communicates with each other through an oil outlet and a bearing, output shaft middle part nearly solid input shaft side is followed the output shaft axis and has been seted up the oil duct counter bore, the inlet port has been seted up on the lateral wall of oil duct counter bore, the one end and the output shaft fixed gear teeth facial features of inlet port are led to, the other end of inlet port communicates with each other with the one end of oil duct counter bore, the other end of oil duct counter bore is provided with the glib talker, glib and lubricated oil duct inserts the cooperation. This design not only with fluid direct input to the lubricated oil duct in, can prevent in addition that fluid from overflowing.

Description

A kind of dual input shaft oil duct arranges lubrication system
Technical field
This utility model is related to the lubrication system of change speed gear box bearing, more particularly to a kind of dual input shaft oil duct arrangement lubrication knot Structure, it is particularly applicable to improve bearing lubrication, reduce bearing failure risk.
Background technology
The double clutch gearboxes of dry type, comprising solid input shaft and hollow input shaft, are so that change speed gear box is steadily effectively transported OK, it is necessary to assure two input shaft positioning are reliable, and otherwise bearing will bear larger stress, cause bearing wear;Meanwhile, also need Guarantee that bearing obtains effectively lubricating, otherwise can cause mechanical damage, damage bearing to bearing.
Chinese patent Authorization Notice No. is CN203532702U, and authorized announcement date is that the utility model on April 9th, 2014 is special Profit discloses a kind of bearing of input shaft lubrication system for dual-clutch transmission, including hollow input shaft, coaxially sets Solid input shaft, output shaft in hollow input shaft are put, No. one is provided between the hollow input shaft, solid input shaft Support bearing, No. two spring bearings, the head end of the nearly solid input shaft of a spring bearing is arranged, and No. two spring bearings are located at sky The heart is input into the tip of the axis, and space is formed between hollow input shaft, solid input shaft, and the solid input the tip of the axis leads to Cross fixing bearing to be connected with the inner chamber of output shaft, the inside of the solid input shaft offers oil duct, oil outlet, the output The outside of axle is arranged with gear, the fuel feed hole opened up on the gear successively Jing after fixing bearing, inner chamber, oil duct, oil outlet with A number spring bearing is communicated.Although the utility model can play certain lubrication, it still suffers from following defect:
Lubricating oil in the utility model enters output shaft internal cavities from fuel feed hole, because output shaft rotates, Under the action of the centrifugal drain pan between output shaft and lock unit overflows lubricating oil, cause in the cavity of output shaft 3 only compared with Few fluid is retained, very little into the lubricants capacity in the oil duct of solid input shaft, causes solid input shaft with hollow input Needle bearing insufficient lubrication between axle.
The content of the invention
The purpose of this utility model is the problem for overcoming bearing lubrication present in prior art bad, there is provided a kind of axle Hold lubrication dual input shaft oil duct arrangement lubrication system.
To realize object above, technical solution of the present utility model is:
A kind of dual input shaft oil duct arranges lubrication system, including the solid input shaft, hollow input shaft being coaxially disposed and defeated Shaft, the solid input shaft is respectively by the first needle bearing, the second needle bearing and the hollow input shaft being arranged outside it Rotatable engagement, the outfan of solid input shaft is described solid defeated by double-row conical bearing and the rotatable engagement of output shaft Enter and be provided with the middle part of axle oil leab, the oil leab is communicated by oil outlet with the first needle bearing;
The output shaft middle part closely solid input shaft side offers oil duct counterbore, the oil duct counterbore along output shaft axis Side wall on offer fuel feed hole, one end of the fuel feed hole communicates with the flank of tooth of output shaft fixed connection gear, the fuel feed hole The other end is communicated with one end of oil duct counterbore, and the other end of the oil duct counterbore is provided with oil nozzle, the oil nozzle and oil leab Insertion coordinates.
The open side of the oil leab is provided with oil baffle, the excircle of the oil baffle and the inwall mistake of oil leab It is full of cooperation, the inner periphery of the oil baffle and the excircle rotatable engagement of oil nozzle.
The oil duct counterbore is bellmouth, and in the fuel feed hole check valve is provided with.
At least two fuel feed holes are offered on the side wall of the oil duct counterbore.
Three fuel feed holes are offered on the side wall of the oil duct counterbore.
The oil baffle is metalwork or working of plastics.
Compared with prior art, the beneficial effects of the utility model are:
1st, the structure of oil nozzle is passed through by oil duct counterbore in a kind of dual input shaft oil duct arrangement lubrication system of this utility model Oil be directly inputted in oil leab, then lubricating oil Jing oil outlets lubricate successively the first needle bearing, the second needle bearing, Such design effectively reduces the excessive of fluid, makes bearing obtain sufficient lubrication.Therefore, the design lubrication is abundant, bearing reliability Property it is high.
2nd, will using the engagement of output shaft fixed connection gear in a kind of dual input shaft oil duct arrangement lubrication system of this utility model In fluid press-in, it is ensured that enough fluid enters oil duct counterbore.Therefore, the design oil-feed is sufficient, and lubrication is abundant.
3rd, oil baffle is set in solid input shaft in a kind of dual input shaft oil duct arrangement lubrication system of this utility model, has Effect reduces fluid and overflows from solid input shaft, it is ensured that bearing has enough fluid to be lubricated.Therefore, the design oil baffle sets Meter can reduce fluid spilling.
4th, check valve is provided with fuel feed hole in a kind of dual input shaft oil duct arrangement lubrication system of this utility model, prevents oil Liquid throws away fuel feed hole because of centrifugal force, and it is under the action of the centrifugal lubricating oil acceleration that oil duct counterbore is bellmouth, makes lubricating oil enter profit Grease way depths, prevents lubricating oil from overflowing.Therefore, the design fluid enters sufficient, and lubricating oil can enter oil leab, no Easily overflow.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure:Solid input shaft 1, oil baffle 11, oil leab 12, oil outlet 13, hollow input shaft 2, output shaft 3, oil Road counterbore 31, output shaft fixed connection gear 32, fuel feed hole 33, oil nozzle 34, the first needle bearing 4, the second needle bearing 5, check valve 6。
Specific embodiment
This utility model is described in further detail below in conjunction with description of the drawings and specific embodiment.
Referring to Fig. 1, a kind of dual input shaft oil duct arranges lubrication system, including the solid input shaft 1 being coaxially disposed, hollow defeated Enter axle 2 and output shaft 3, the solid input shaft 1 respectively by the first needle bearing 4, the second needle bearing 5 with its outside be arranged The rotatable engagement of hollow input shaft 2, the rotation that the outfan of solid input shaft 1 passes through double-row conical bearing and output shaft 3 Coordinate, the middle part of the solid input shaft 1 is provided with oil leab 12, and the oil leab 12 is rolled by oil outlet 13 and first Needle bearing 4 is communicated;
The nearly side of solid input shaft 1 in the middle part of the output shaft 3 offers oil duct counterbore 31, the oil along the axis of output shaft 3 Fuel feed hole 33, one end of the fuel feed hole 33 and the flank of tooth phase of output shaft fixed connection gear 32 are offered on the side wall of road counterbore 31 Logical, the other end of the fuel feed hole 33 is communicated with one end of oil duct counterbore 31, and the other end of the oil duct counterbore 31 is provided with oil Mouth 34, the oil nozzle 34 coordinates with the insertion of oil leab 12.
The open side of the oil leab 12 is provided with oil baffle 11, excircle and the oil leab 12 of the oil baffle 11 Inwall interference fit, the inner periphery of the oil baffle 11 and the excircle rotatable engagement of oil nozzle 34.
The oil duct counterbore 31 is to be provided with check valve 6 in bellmouth, the fuel feed hole 33.
At least two fuel feed holes 33 are offered on the side wall of the oil duct counterbore 31.
Three fuel feed holes 33 are offered on the side wall of the oil duct counterbore 31.
The oil baffle 11 is metalwork or working of plastics.
Principle of the present utility model is described as follows:
Oil baffle 11, the excircle of oil baffle 11 and the inwall interference fit of oil leab 12, lubricating oil is made in centrifugation It is attached on the inwall of oil leab 12 with lower, oil baffle 11 can reduce the excessive of above-mentioned fluid more.
Oil duct counterbore 31 is bellmouth, and under the action of the centrifugal, lubricating oil axially has when throwing away oil nozzle 34 along oil duct counterbore 31 There is an initial velocity, above-mentioned initial velocity enables lubricating oil to enter the deeper inside of oil leab 12, reduces oil nozzle 34 attached Near lubricating oil beam reduces lubricating oil and overflows from oil baffle.
Lubricant passage way:--- output shaft fixed connection gear 32 --- the oil duct counterbore 31 --- oil nozzle of output shaft fixed connection gear 32 34 --- --- oil outlet 13 --- the first needle bearing 4 --- the second needle bearings 5 of oil leab 12.
Embodiment 1:
A kind of dual input shaft oil duct arranges lubrication system, including the solid input shaft 1, the and of hollow input shaft 2 that are coaxially disposed Output shaft 3, the solid input shaft 1 respectively by the first needle bearing 4, the second needle bearing 5 with its outside be arranged it is hollow The rotatable engagement of input shaft 2, the outfan of solid input shaft 1 is by double-row conical bearing and the rotatable engagement of output shaft 3, institute The middle part for stating solid input shaft 1 is provided with oil leab 12, and the oil leab 12 passes through the needle bearing 4 of oil outlet 13 and first Communicate;The nearly side of solid input shaft 1 in the middle part of the output shaft 3 offers oil duct counterbore 31 along the axis of output shaft 3, and the oil duct sinks Fuel feed hole 33 is offered on the side wall in hole 31, one end of the fuel feed hole 33 communicates with the flank of tooth of output shaft fixed connection gear 32, institute The other end stated is communicated with one end of oil duct counterbore 31, and the other end of the oil duct counterbore 31 is provided with oil nozzle 34, the oil nozzle 34 coordinate with the insertion of oil leab 12;At least two fuel feed holes 33 are offered on the side wall of the oil duct counterbore 31.
Embodiment 2:
Embodiment 2 is substantially the same manner as Example 1, and its difference is:
The open side of the oil leab 12 is provided with oil baffle 11, excircle and the oil leab 12 of the oil baffle 11 Inwall interference fit, the inner periphery of the oil baffle 11 and the excircle rotatable engagement of oil nozzle 34.
Embodiment 3:
Embodiment 3 is substantially the same manner as Example 2, and its difference is:
The oil duct counterbore 31 is to be provided with check valve 6 in bellmouth, the fuel feed hole 33;The side of the oil duct counterbore 31 Three fuel feed holes 33 are offered on wall.

Claims (6)

1. a kind of dual input shaft oil duct arranges lubrication system, including the solid input shaft being coaxially disposed(1), hollow input shaft(2) And output shaft(3), the solid input shaft(1)Pass through the first needle bearing respectively(4), the second needle bearing(5)Outside it The hollow input shaft being arranged(2)Rotatable engagement, solid input shaft(1)Outfan by double-row conical bearing and output shaft (3)Rotatable engagement, the solid input shaft(1)Middle part be provided with oil leab(12), the oil leab(12)Pass through Oil outlet(13)With the first needle bearing(4)Communicate, it is characterised in that:
The output shaft(3)The nearly solid input shaft in middle part(1)Side is along output shaft(3)Axis offers oil duct counterbore(31), institute State oil duct counterbore(31)Side wall on offer fuel feed hole(33), the fuel feed hole(33)One end and output shaft fixed connection gear (32)The flank of tooth communicate, the fuel feed hole(33)The other end and oil duct counterbore(31)One end communicate, the oil duct counterbore (31)The other end be provided with oil nozzle(34), the oil nozzle(34)With oil leab(12)Insertion coordinates.
2. a kind of dual input shaft oil duct according to claim 1 arranges lubrication system, it is characterised in that:
The oil leab(12)Open side be provided with oil baffle(11), the oil baffle(11)Excircle and oil leab (12)Inwall interference fit, the oil baffle(11)Inner periphery and oil nozzle(34)Excircle rotatable engagement.
3. a kind of dual input shaft oil duct according to claim 1 and 2 arranges lubrication system, it is characterised in that:
The oil duct counterbore(31)For bellmouth, the fuel feed hole(33)Inside it is provided with check valve(6).
4. a kind of dual input shaft oil duct according to claim 3 arranges lubrication system, it is characterised in that:
The oil duct counterbore(31)Side wall on offer at least two fuel feed holes(33).
5. a kind of dual input shaft oil duct according to claim 4 arranges lubrication system, it is characterised in that:
The oil duct counterbore(31)Side wall on offer three fuel feed holes(33).
6. a kind of dual input shaft oil duct according to claim 2 arranges lubrication system, it is characterised in that:
The oil duct counterbore(31)For bellmouth, the fuel feed hole(33)Inside it is provided with check valve(6), the oil baffle(11)For Metalwork or working of plastics.
CN201621147572.3U 2016-10-21 2016-10-21 Lubricating structure is arranged to dual input shafting oil way Active CN206175633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621147572.3U CN206175633U (en) 2016-10-21 2016-10-21 Lubricating structure is arranged to dual input shafting oil way

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621147572.3U CN206175633U (en) 2016-10-21 2016-10-21 Lubricating structure is arranged to dual input shafting oil way

Publications (1)

Publication Number Publication Date
CN206175633U true CN206175633U (en) 2017-05-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109695706A (en) * 2017-10-24 2019-04-30 上海汽车集团股份有限公司 A kind of gearbox and double acting force transmission mechanism
CN113187878A (en) * 2021-05-13 2021-07-30 凯博易控车辆科技(苏州)股份有限公司 Oil throwing lubricating structure for intermediate shaft needle roller bearing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109695706A (en) * 2017-10-24 2019-04-30 上海汽车集团股份有限公司 A kind of gearbox and double acting force transmission mechanism
CN113187878A (en) * 2021-05-13 2021-07-30 凯博易控车辆科技(苏州)股份有限公司 Oil throwing lubricating structure for intermediate shaft needle roller bearing

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