CN201232742Y - Gear mechanism for transmission - Google Patents
Gear mechanism for transmission Download PDFInfo
- Publication number
- CN201232742Y CN201232742Y CNU2008200951577U CN200820095157U CN201232742Y CN 201232742 Y CN201232742 Y CN 201232742Y CN U2008200951577 U CNU2008200951577 U CN U2008200951577U CN 200820095157 U CN200820095157 U CN 200820095157U CN 201232742 Y CN201232742 Y CN 201232742Y
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- CN
- China
- Prior art keywords
- gear
- synchronous
- oilhole
- ring
- conical ring
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a gear mechanism of a speed changer, which comprises a gear, a hollow shaft, a needle bearing and a synchronous conical ring, wherein, the gear is provided with synchronous teeth; the hollow shaft is provided with a first oil hole; the needle bearing is freely sheathed on the hollow shaft provided with the first oil hole; the gear provided with the synchronous teeth is freely sheathed on the needle bearing; and the synchronous ring is connected with the gear with the synchronous teeth in a frication mode. The utility model is characterized in that a conical surface of the gear with the synchronous teeth matched with the synchronous ring is provided with a second oil hole. The gear mechanism has the advantages of simple process, stable travel of automobiles during stage changeover, good lubricating effect of the frication surface during the race rotation of the conical ring, furthest reduction of temperature of working parts during the operation of the conical ring, power loss reduction and long service life of the conical ring.
Description
Technical field
The utility model relates to a kind of transmission gear mechanism, relates in particular to a kind of automobile gearbox gear mechanism that has oilhole.
Background technique
Synchronization device cone ring is for making the light noiseless synchronizer friction element that is provided with the prolongation joint life-span of gear shift in the automotive transmission, it produces friction torque with the conical surface that cooperates, make main, Passive part is synchronous in moment, be that speed discrepancy levels off to zero, thereby make master, driven gear not have the ground of impact and gear shift voicelessly.But when automobile in that a certain shelves are stable when travelling, the friction between the conical surface of synchronization device cone ring and gear is inoperative, if motoring friction is bigger, has not only increased the power loss of transmission system, and has shortened the working life of synchronization device cone ring.The lubricating fitting of traditional synchronization device cone ring generally is to make lubricant oil flow to rubbing surface vertically by machined grooves on the conical ring rubbing surface, and in the high pulling torque gearbox, for impact resistance and the wear resistance that improves synchronization device cone ring, often adopt the synchronization device cone ring of steel structure, this lubricating structure also comes with some shortcomings: the technology capability complexity of Steel Work groove; When the axial clearance of conical ring and gear hour, be difficult to guarantee the effect of lubricating.
The model utility content
The utility model is intended at above the deficiencies in the prior art, a kind of automobile gearbox gear mechanism that has oilhole is provided, the lubrication state of the synchronization device cone ring of improvement and gear cone match, reduce motoring friction, temperature when reducing simultaneously synchronizer work to greatest extent, the working life of prolongation synchronizer.
Goal of the invention of the present utility model is achieved through the following technical solutions:
A kind of transmission gear mechanism, comprise the gear that has synchronous tooth, the hollow shaft that has first oilhole, needle bearing and synchronous conical ring, described needle bearing is placed on the described hollow shaft that has first oilhole, the described gear that has synchronous tooth is placed on the described needle bearing, described synchronous conical ring frictionally is connected with the described gear that has synchronous tooth, on the conical surface of the described gear that has a synchronous tooth that cooperates with described synchronous conical ring, also have second oilhole.
The utility model since increased by second oilhole be lubricated oil between cone of friction replenish and lubricated, the lubrication effect of rubbing surface is good during conical ring idle running, therefore reduce power loss, also reduced the temperature of workpiece when conical ring is worked simultaneously, prolonged the working life of conical ring.
Description of drawings
Fig. 1 is the utility model one example structure schematic representation.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of automobile gearbox gear of the utility model mechanism comprises the gear 1 that has synchronous tooth, the conical surface 2 of gear, second oilhole 3 on the gear, hollow shaft 4, needle bearing 5, first oilhole 7 on conical ring 6, the hollow shaft 4 synchronously.Needle bearing 5 is placed on the hollow shaft 4 that has first oilhole 3, and the gear 1 that has synchronous tooth is placed on the needle bearing 5, and conical ring 6 frictionally is connected with the described gear 1 that has synchronous tooth synchronously.
In the shift process, for reduce synchronizer with the gear cohesive process in the impact that brought and the infringement that active and passive case is brought, increased synchronous conical ring 6, this technology technical field personnel is for this reason grasped, and repeats no more here.When automobile in that a certain shelves are stable when travelling, the gear 1 that has synchronous tooth rotates freely on hollow shaft 4 by needle bearing 5, in order to reduce the friction of synchronous conical ring 6 and the conical surface of the gear 1 that has synchronous tooth, with power loss that reduces transmission system and the working life that increases synchronous conical ring 6, need make surface of contact guarantee good lubricating.Therefore, in the utility model mode of execution, on the conical surface 2 of the gear that the gear 1 that has synchronous tooth cooperates with synchronous conical ring 6, drill through at least 1 second oilhole 3.Second oilhole 3 can be 1, also can be for a plurality of.When one second oilhole 3 only is set, it is positioned on the conical surface 2 of gear 1 of any point on the circumferencial direction, when a plurality of second oilhole 3 is set, along the circumferential direction evenly offer second oilhole 3 on the conical surface 2 of gear 1, the quantity of described second oilhole 3 changes with the diameter variation of the gear 1 that has synchronous tooth.And the diameter length of second oilhole 3 on the gear 1 is described gear 1 conical surface part that has the synchronous tooth 1/4-1/2 of length along inclined direction, but consider that too many or second oilhole, 3 diameters of second oilhole, 3 quantity cross the intensity that conference has influence on gear 1, quantity very little or diameter is too little can have influence on lubricated effect again, therefore the quantity of preferred second oilhole 3 is three in the present embodiment, the length of the diameter of preferred second oilhole 3 be described gear 1 conical surface part that has a synchronous tooth along inclined direction length 1/3, simultaneously, second oilhole 3 is opened in gear 1 conical surface 2 intermediate portion along inclined direction that has synchronous tooth, the intensity that had so both guaranteed gear 1 is unaffected, can make lubricant oil even again, it is lubricated fully that cone of friction is obtained.
Automobile in the process of moving, hollow shaft 4 high speed rotating, its lubricant oil can be under centrifugal action enters into space between gear 1 and the hollow shaft 4 through first oilhole 7, one side lubrication quill bearing 5, lubricant oil can continue to arrive on the conical surface 2 of the gear between the gear 1 that has synchronous tooth and the synchronous conical ring 6 through second oilhole 3 under action of centrifugal force on the other hand, thereby the conical surface 2 is played good lubrication.
The utility model since increased by second oilhole 3 be lubricated oil between cone of friction replenish and lubricated, the lubrication effect of rubbing surface is good during conical ring 6 idle running, therefore reduce power loss, also reduced the temperature of workpiece when conical ring 6 is worked simultaneously, prolonged the working life of conical ring 6.And, carry out the lubricated of cone of friction owing to only need offer second oilhole 3, so its preparation process is fairly simple, provides cost savings, and has improved efficient.
The embodiment of the above is a better embodiment of the present utility model; be not to limit concrete practical range of the present utility model with this, the equivalence variation that all shapes according to the utility model, structure are done all is included in the protection domain of the present utility model.
Claims (7)
1, a kind of transmission gear mechanism, comprise the gear that has synchronous tooth, the hollow shaft that has first oilhole, needle bearing and synchronous conical ring, described needle bearing is placed on the described hollow shaft that has first oilhole, the described gear that has synchronous tooth is placed on the described needle bearing, described synchronous conical ring frictionally is connected with the described gear that has synchronous tooth, it is characterized in that: on the conical surface of the described gear that has a synchronous tooth that cooperates with described synchronous conical ring, also have second oilhole.
2, transmission gear according to claim 1 mechanism, it is characterized in that: the quantity of described second oilhole is at least 1.
3, transmission gear according to claim 1 and 2 mechanism, it is characterized in that: the quantity of described second oilhole is 3.
4, transmission gear according to claim 1 mechanism is characterized in that: described second oilhole is evenly opened on the circumferencial direction of the described gear that has a synchronous tooth.
5, transmission gear according to claim 1 mechanism, it is characterized in that: described second oilhole is positioned at the described gear conical surface intermediate portion along inclined direction that has synchronous tooth.
6, transmission gear according to claim 1 mechanism is characterized in that: the length of the described second oilhole diameter is the described cone of gears face portion that has the synchronous tooth 1/2-1/4 of length along inclined direction.
7, transmission gear according to claim 1 mechanism is characterized in that: the length of the described second oilhole diameter be the described cone of gears face portion that has a synchronous tooth along inclined direction length 1/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200951577U CN201232742Y (en) | 2008-07-01 | 2008-07-01 | Gear mechanism for transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200951577U CN201232742Y (en) | 2008-07-01 | 2008-07-01 | Gear mechanism for transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201232742Y true CN201232742Y (en) | 2009-05-06 |
Family
ID=40619121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200951577U Expired - Lifetime CN201232742Y (en) | 2008-07-01 | 2008-07-01 | Gear mechanism for transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201232742Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374323A (en) * | 2011-10-31 | 2012-03-14 | 吴江江旭纺织有限公司 | Mandrel of overload relief valve of textile machine |
| CN102518776A (en) * | 2012-01-01 | 2012-06-27 | 赵孝民 | Synchronous gear seat |
| CN103604032A (en) * | 2013-10-21 | 2014-02-26 | 启东中冶润滑设备有限公司 | Nylon gear lubricating device |
| CN105605165A (en) * | 2016-03-09 | 2016-05-25 | 江苏南车电机有限公司 | Automatic gear shifting system with synchronizer for electric vehicle |
| CN105736557A (en) * | 2016-03-18 | 2016-07-06 | 重庆长安汽车股份有限公司 | Idling matched structure of gear and shaft of manual transmission |
| CN109469717A (en) * | 2017-09-07 | 2019-03-15 | 腓特烈斯港齿轮工厂股份公司 | Tractor parts transmission device for vehicle transmission |
-
2008
- 2008-07-01 CN CNU2008200951577U patent/CN201232742Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374323A (en) * | 2011-10-31 | 2012-03-14 | 吴江江旭纺织有限公司 | Mandrel of overload relief valve of textile machine |
| CN102518776A (en) * | 2012-01-01 | 2012-06-27 | 赵孝民 | Synchronous gear seat |
| CN103604032A (en) * | 2013-10-21 | 2014-02-26 | 启东中冶润滑设备有限公司 | Nylon gear lubricating device |
| CN103604032B (en) * | 2013-10-21 | 2019-10-25 | 启东中冶润滑液压设备有限公司 | Nylon gear lubricating arrangement |
| CN105605165A (en) * | 2016-03-09 | 2016-05-25 | 江苏南车电机有限公司 | Automatic gear shifting system with synchronizer for electric vehicle |
| CN105736557A (en) * | 2016-03-18 | 2016-07-06 | 重庆长安汽车股份有限公司 | Idling matched structure of gear and shaft of manual transmission |
| CN109469717A (en) * | 2017-09-07 | 2019-03-15 | 腓特烈斯港齿轮工厂股份公司 | Tractor parts transmission device for vehicle transmission |
| CN109469717B (en) * | 2017-09-07 | 2023-05-30 | 腓特烈斯港齿轮工厂股份公司 | Traction device drive for a motor vehicle transmission |
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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 |
Granted publication date: 20090506 |
|
| CX01 | Expiry of patent term |