CN105805279A - Split-type crankshaft additional gear transmission structure - Google Patents
Split-type crankshaft additional gear transmission structure Download PDFInfo
- Publication number
- CN105805279A CN105805279A CN201610317286.5A CN201610317286A CN105805279A CN 105805279 A CN105805279 A CN 105805279A CN 201610317286 A CN201610317286 A CN 201610317286A CN 105805279 A CN105805279 A CN 105805279A
- Authority
- CN
- China
- Prior art keywords
- crankshaft
- gear
- additional gear
- bent axle
- oil seal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C3/00—Shafts; Axles; Cranks; Eccentrics
- F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
- F16C3/06—Crankshafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
Abstract
The invention discloses a split-type crankshaft additional gear transmission structure. The transmission structure comprises a crankshaft flywheel end, a flywheel shell gear case, an oil seal and a crankshaft additional gear, wherein the oil seal is provided with a sealing lip which extends along the axial direction of a shaft hole; the oil seal is in press fit in a flywheel shell oil seal assembly hole of the flywheel shell gear box; the crankshaft additional gear is of a split structure, and comprises a cushion block and a crankshaft gear; the periphery of the cushion block serves as an oil seal assembly surface, and is used for forming a sealing surface with the oil seal; one side of the cushion block is a crankshaft flywheel end assembly surface, and the other side is a crankshaft gear assembly surface, and is provided with a step positioning seam allowance which is matched and assembled with the crankshaft gear; and the crankshaft gear is provided with a step head which is matched with the step positioning seam allowance. According to the split-type crankshaft additional gear transmission structure, a split-type crankshaft additional gear is adopted, so that the stressed direction of assembly of the oil seal is consistent with the direction of the lip, and therefore turning up of the oil seal during assembly can be prevented; and meanwhile, the assembly quality can be observed, and the process control quality is improved.
Description
Technical field
The present invention relates to engine art, particularly to the drive mechanism of a kind of split type bent axle additional gear.
Background technology
As shown in Figure 1 to Figure 3, power taking type after electromotor, being usually on bell housing increases many clutch ends.It is embodied in the integrated gear-box of bell housing and constitutes bell housing gear-box 11, by bent axle additional gear 12, idle gear 13 and hydraulic pump gear 14 as extra power delivery outlet.Wherein bent axle major part 15 (i.e. flywheel end) stretches out shorter, it is impossible to enter in the oil pocket 17 of bell housing gear-box.Previous status is to use existing bent axle additional gear 12 (crankshaft toothed wheel), is stretched out by oil sealing 16 and connects bent axle outside gear-box, and by its periphery of oil sealing sealing.
As in figure 2 it is shown, the sealing principle of oil sealing 16 requires that lip towards the oil pocket of required sealing, technique to require oil sealing must first be pressed in bell housing seal mounting hole when installing simultaneously.Then could installing to body rear end face as entirety together with bell housing, bent axle additional gear 12 luggage again used by rear power taking is fitted on crankshaft rear end (bent axle major part 15).As it is shown on figure 3, due to this kind of engine crankshaft major part rear end protrude body rear end face comparatively short, can not directly with oil sealing 16 form sealing surface, related seals structure need between bent axle additional gear 12 and oil sealing 16 formation sealing.If bent axle additional gear makes monolithic construction, then in installation process, it will cause oil seal lip flange, and assembling quality cannot be observed, cause leakage of oil hidden danger.
It is disclosed in the information of this background section and is merely intended to increase the understanding of the general background to the present invention, and be not construed as admitting or imply in any form that this information structure is for prior art that persons skilled in the art are known.
Summary of the invention
It is an object of the invention to provide the drive mechanism of a kind of simple and reasonable split type bent axle additional gear, the drive mechanism of this split type bent axle additional gear adopts split type bent axle additional gear, make the Impact direction that oil sealing is installed consistent with its lip direction, it is prevented that oil sealing flange during assembling；It is able to observe that installation quality simultaneously, conveniently checks installation situation, improve process control quality.
For achieving the above object, the invention provides the drive mechanism of a kind of split type bent axle additional gear, the drive mechanism of this split type bent axle additional gear includes: crankshaft-flywheel end；Bell housing gear-box；Oil sealing, it has along the axially extended seal lip of axis hole, and this oil seal pressing is in the bell housing seal mounting hole of described bell housing gear-box；And bent axle additional gear, it is Split type structure, including cushion block and crankshaft toothed wheel, the periphery of cushion block is as oil sealing installed surface, for forming sealing surface with described oil sealing, the side of described cushion block is crankshaft-flywheel end installed surface, and opposite side is crankshaft toothed wheel installed surface, and has the step positioning spigot installed with crankshaft toothed wheel adaptation；Described crankshaft toothed wheel has the step head adaptive with this step positioning spigot.
Preferably, in technique scheme, crankshaft toothed wheel is formed with cushion block and seals trigonum, and this sealing trigonum is provided with sealing ring.
Preferably, in technique scheme, sealing ring is O.
Preferably, in technique scheme, crankshaft-flywheel end installed surface has axially extending and convex with the spacing ring of crankshaft-flywheel end periphery suit.
Compared with prior art, there is advantages that the drive mechanism of this split type bent axle additional gear adopts split type bent axle additional gear so that the Impact direction that oil sealing is installed is consistent with its lip direction, it is prevented that oil sealing flange during assembling；It is able to observe that installation quality simultaneously, conveniently checks installation situation, improve process control quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the drive mechanism of existing split type bent axle additional gear.
Fig. 2 is the bent axle additional gear press-in pre-structure schematic diagram of the drive mechanism of existing split type bent axle additional gear.
Fig. 3 be the drive mechanism of existing split type bent axle additional gear bent axle additional gear press-in after structural representation.
Fig. 4 is the structural representation of the drive mechanism of the split type bent axle additional gear of the present invention.
Fig. 5 is the partial structurtes schematic diagram of the drive mechanism of the split type bent axle additional gear of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, it is to be understood that protection scope of the present invention is not by the restriction of detailed description of the invention.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " includes " or its conversion will be understood to comprise the element or ingredient stated at such as " comprising " or " including " etc., and does not get rid of other element or other ingredient.
As shown in Figure 4 and Figure 5, the concrete structure according to the drive mechanism of the split type bent axle additional gear of the specific embodiment of the invention includes: crankshaft-flywheel end 21, bell housing gear-box 22, oil sealing 23 and bent axle additional gear.Wherein, bent axle additional gear is split type, including cushion block 24 and crankshaft toothed wheel 25, during installation, cushion block 24 is first contained in crankshaft-flywheel end 21, refills the bell housing gear-box 22 pressing oil sealing 23, make the Impact direction that oil sealing is installed consistent with its lip direction, then crankshaft toothed wheel 25 is installed.Owing to oil sealing Impact direction is consistent with lip direction, oil seal lip will not flange；It is able to observe that installation quality simultaneously, conveniently checks installation situation, improve process control quality.
Specifically, bent axle is the main rotating mechanism of electromotor, is most important parts in electromotor.It bears the power that connecting rod transmits, and is transformed into torque and is exported by bent axle and drive other adnexaes work on electromotor.Bent axle is subject to the combined effect of the centrifugal force of gyrating mass, the gas inertia power of mechanical periodicity and reciprocal inertia force, makes bent axle bear the effect of flexion torsion load.Therefore it is required that bent axle has enough strength and stiffness, journal surface need are wear-resisting, work is uniform, balance is good.Crankshaft-flywheel end 21 stretches out shorter, it is impossible to enter in the oil pocket of bell housing gear-box.Therefore crankshaft-flywheel end 21 comes transmission idle gear and hydraulic pump gear as extra power delivery outlet by bent axle additional gear.
Oil sealing 23 has along the axially extended seal lip of axis hole, the sealing principle of oil sealing requires that lip towards the oil pocket (oil pocket of bell housing gear-box) of required sealing, technique to require simultaneously oil sealing must first be pressed in bell housing seal mounting hole when installing.Then body rear end face could be installed to as entirety together with bell housing so that bent axle additional gear forms sealing surface with oil sealing.
Bent axle additional gear is Split type structure, and including cushion block 24 and crankshaft toothed wheel 25, cushion block 24 is circular, and central authorities have crankshaft toothed wheel perforation；Periphery is as oil sealing installed surface, for forming sealing surface with oil sealing.The side of cushion block 24 is crankshaft-flywheel end installed surface, and has axially extending and convex with the spacing ring of crankshaft-flywheel end periphery suit.The opposite side of cushion block 24 is crankshaft toothed wheel installed surface, and has the step positioning spigot installed with crankshaft toothed wheel adaptation.The step head that the installation end of crankshaft toothed wheel 25 and cushion block 24 has and this step positioning spigot is adaptive.As it is shown in figure 5, crankshaft toothed wheel 25 is formed with cushion block 24 seals trigonum, this sealing trigonum is provided with O 26 and seals.
During installation, cushion block 24 is first contained in crankshaft-flywheel end 21, refills the bell housing gear-box 22 pressing oil sealing 23 so that the oil sealing installed surface of cushion block 24 forms sealing surface with oil sealing, and the Impact direction of now oil sealing 23 installation is consistent with its lip direction, then crankshaft toothed wheel 25 is installed.Owing to oil sealing Impact direction is consistent with lip direction, oil seal lip will not flange；It is able to observe that installation quality simultaneously, conveniently checks installation situation, improve process control quality.
To sum up, the drive mechanism of this split type bent axle additional gear adopts split type bent axle additional gear so that the Impact direction that oil sealing is installed is consistent with its lip direction, it is prevented that oil sealing flange during assembling；It is able to observe that installation quality simultaneously, conveniently checks installation situation, improve process control quality.
The aforementioned description to the specific illustrative embodiment of the present invention illustrates that and the purpose of illustration.These describe and are not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to above-mentioned instruction, it is possible to carry out much changing and change.Purpose exemplary embodiment selected and describe is in that to explain the certain principles of the present invention and practical application thereof, so that those skilled in the art is capable of and utilizes the various different exemplary of the present invention and various different selection and change.The scope of the present invention is intended to be limited by claims and equivalents thereof.
Claims (4)
1. the drive mechanism of a split type bent axle additional gear, it is characterised in that including:
Crankshaft-flywheel end；
Bell housing gear-box；
Oil sealing, it has along the axially extended seal lip of axis hole, and this oil seal pressing is in the bell housing seal mounting hole of described bell housing gear-box；And
Bent axle additional gear, it is Split type structure, including cushion block and crankshaft toothed wheel, the periphery of cushion block is as oil sealing installed surface, for forming sealing surface with described oil sealing, the side of described cushion block is crankshaft-flywheel end installed surface, and opposite side is crankshaft toothed wheel installed surface, and has the step positioning spigot installed with crankshaft toothed wheel adaptation；Described crankshaft toothed wheel has the step head adaptive with this step positioning spigot.
2. the drive mechanism of split type bent axle additional gear according to claim 1, it is characterised in that described crankshaft toothed wheel is formed with cushion block and seals trigonum, and this sealing trigonum is provided with sealing ring.
3. the drive mechanism of split type bent axle additional gear according to claim 2, it is characterised in that described sealing ring is O.
4. the drive mechanism of split type bent axle additional gear according to claim 1, it is characterised in that described crankshaft-flywheel end installed surface has axially extending and convex with the spacing ring of crankshaft-flywheel end periphery suit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317286.5A CN105805279B (en) | 2016-05-12 | 2016-05-12 | The drive mechanism of split type bent axle additional gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610317286.5A CN105805279B (en) | 2016-05-12 | 2016-05-12 | The drive mechanism of split type bent axle additional gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105805279A true CN105805279A (en) | 2016-07-27 |
| CN105805279B CN105805279B (en) | 2018-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610317286.5A Active CN105805279B (en) | 2016-05-12 | 2016-05-12 | The drive mechanism of split type bent axle additional gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805279B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431918A (en) * | 2020-11-20 | 2021-03-02 | 安徽华菱汽车有限公司 | Engine and gear chamber rear cover plate sealing device thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2480622Y (en) * | 2001-05-10 | 2002-03-06 | 上海柴油机股份有限公司 | Rear setting trpe fully closed power output gearing box |
| JP2007030126A (en) * | 2005-07-29 | 2007-02-08 | Toyota Motor Corp | Mechanism for transmitting rotating force for starting internal combustion engine, and method for assembling mechanism for transmitting rotating force for starting internal combustion engine |
| CN201351530Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Power output structure of engine |
| CN201651318U (en) * | 2010-01-25 | 2010-11-24 | 杭州嘉诚机械有限公司 | Reduction gearbox sealing structure |
| CN102606359A (en) * | 2012-03-22 | 2012-07-25 | 潍柴动力股份有限公司 | High-pressure oil pump transmission and assembling method thereof |
| CN205592355U (en) * | 2016-05-12 | 2016-09-21 | 广西玉柴机器股份有限公司 | Transmission structure of additional gear of split type bent axle |
-
2016
- 2016-05-12 CN CN201610317286.5A patent/CN105805279B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2480622Y (en) * | 2001-05-10 | 2002-03-06 | 上海柴油机股份有限公司 | Rear setting trpe fully closed power output gearing box |
| JP2007030126A (en) * | 2005-07-29 | 2007-02-08 | Toyota Motor Corp | Mechanism for transmitting rotating force for starting internal combustion engine, and method for assembling mechanism for transmitting rotating force for starting internal combustion engine |
| CN201351530Y (en) * | 2008-12-24 | 2009-11-25 | 天津雷沃动力股份有限公司 | Power output structure of engine |
| CN201651318U (en) * | 2010-01-25 | 2010-11-24 | 杭州嘉诚机械有限公司 | Reduction gearbox sealing structure |
| CN102606359A (en) * | 2012-03-22 | 2012-07-25 | 潍柴动力股份有限公司 | High-pressure oil pump transmission and assembling method thereof |
| CN205592355U (en) * | 2016-05-12 | 2016-09-21 | 广西玉柴机器股份有限公司 | Transmission structure of additional gear of split type bent axle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112431918A (en) * | 2020-11-20 | 2021-03-02 | 安徽华菱汽车有限公司 | Engine and gear chamber rear cover plate sealing device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105805279B (en) | 2018-03-16 |
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