CN202812113U - Automobile transmission reverse gear - Google Patents
Automobile transmission reverse gear Download PDFInfo
- Publication number
- CN202812113U CN202812113U CN 201220462374 CN201220462374U CN202812113U CN 202812113 U CN202812113 U CN 202812113U CN 201220462374 CN201220462374 CN 201220462374 CN 201220462374 U CN201220462374 U CN 201220462374U CN 202812113 U CN202812113 U CN 202812113U
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- Prior art keywords
- gear ring
- gear
- ring
- oil
- oil storage
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Abstract
The utility model provides an automobile transmission reverse gear and belongs to the field of automobile parts. The problems that a traditional automobile transmission reverse gear is low in flowability of lubricating oil, and a friction reducing effect and a cooling effect are poor are solved by the utility model. The automobile transmission reverse gear comprises a gear ring I and a gear ring II. The gear ring I and the gear ring II are concentrically parallel; a loop is arranged between the gear ring I and the gear ring II; the gear ring I, the loop and the gear ring II are integrally molded; the center hole of the gear ring I, the center hole of the loop and the center hole of the gear ring II form an isodiametric axle hole; the radial direction of the outer wall of the loop is provided with a plurality of oil through holes penetrating the loop; the inner wall of the axle wall is provided with a plurality of oil storage tanks; and all the oil through holes are respectively in through connection with the corresponding oil storage tank. The friction between the automobile transmission reverse gear and a revolving shaft can be effectively reduced, and therefore, temperature is lowered.
Description
Technical field
The utility model belongs to the auto parts and components field, relates to a kind of automobile gearbox reverse gear.
Background technique
Automobile can travel at road, what lean on is that motor provides power output for automobile, and automobile can change the travelling speed of automobile in the process of moving according to different road conditions, and what lean on is the actual travel speed that a kind of speed change gear is coordinated rotating speed and the wheel of motor.For example the speed of a motor vehicle should be able to reach 120km/h on the expressway, and in the urban district, the speed of a motor vehicle is everlasting about 60km/h.And when empty wagons travelled at straight highway, running resistance was very little, and then when fully loaded the upward slope, running resistance is just very large, but the characteristic of motor car engine is that the rotation speed change scope is less, and the torque excursion more can not satisfy actual road conditions needs.
Speed changer acts on huge for an automobile, briefly, the different gear pair of many group velocity ratios is arranged in the gearbox, and the gearshift behavior during automobile running namely makes gear pair work different in the gearbox by operating mechanism.As when the low speed, allow the large gear pair work of velocity ratio, and when high speed, allow the little gear pair work of velocity ratio.
Have multiple sets of teeth in the case of transmission and take turns to transmit different rotating ratios, but when automobile need to fall back, only change the purpose that rotating ratio can not reach car reversed, therefore, in case of transmission, has reverse gear idle pulley and a reverse gear, the idle pulley that reverses gear is the gear that plays transfer function in the middle of two driving gears that do not contact with each other, and one of them driving gear is exactly reverse gear, its long-term and idle pulley engagement of reversing gear, be in idling conditions, when needs work, this reverse gear is meshed with a coaxial shifting slide gear, thereby drives the shifting slide gear rotation work.
Because reverse gear is directly to be set in the rotating shaft, when forward gear, reverse gear is in idling conditions always, the axis hole wall of reverse gear and the sliding friction meeting between the rotating shaft produce a large amount of heats, generally take at present to offer oil-through hole at reverse gear, reduce friction and temperature by lubricant oil, but because the oil-through hole limited amount, and the poor fluidity of lubricant oil, so antifriction and cooling-down effect are poor.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of automobile gearbox reverse gear, this automobile gearbox reverse gear can effectively reduce and rotating shaft between friction, reduce temperature.
The purpose of this utility model can realize by following technical proposal: a kind of automobile gearbox reverse gear, comprise that outer wall all has gear ring one and the gear ring two of some outer gear teeth, described gear ring one is arranged side by side with gear ring two concentrics, between gear ring one and gear ring two, has a ring set, described gear ring one, ring set, gear ring two the center holes one-body molded and three form an isodiametric axis hole, on the ring set outer wall, radially offer some oil-through holes that run through ring set, it is characterized in that, offer some oil storage tanks on the described shaft hole inner wall, described each oil-through hole connects respectively and connects an above-mentioned oil storage tank.
Gear ring one often meshes with the idle pulley that reverses gear, and makes reverse gear be in idling conditions; Gear ring two drives the shifting slide gear rotation work after meshing with shifting slide gear; Gear ring one, ring set, gear ring two integrally casting moulding, the shaft hole inner wall that three's center hole forms is a smooth inner wall, reduces when dallying and the frictional force of rotating shaft; Oil storage tank on the shaft hole inner wall is connected with oil-through hole, and the lubricant oil that oil-through hole enters can enter oil storage tank, and the area of contact of increase and rotating shaft outer wall is strengthened lubrication effect simultaneously, reduces temperature.
In above-mentioned automobile gearbox reverse gear, described oil-through hole has three, circumferentially is evenly distributed on the ring set, and oil storage tank also has three, circumferentially is evenly distributed on the shaft hole inner wall.Oil-through hole is too much, can reduce the mechanical strength of reverse gear, and oil-through hole is very few, and is lubricated not good with cooling-down effect, and an oil-through hole is connected with an oil storage tank, so the quantity of oil storage tank also is three.
In above-mentioned automobile gearbox reverse gear, described oil storage tank spiral is offered, and gear ring one and gear ring two are run through respectively in the two ends of oil storage tank.Spiral is offered, and increases the length of oil storage tank, increases area of contact, two opposing end faces of gear ring one and gear ring two are led to respectively at its two ends, so that lubricant oil can from the two ends turnover of oil storage tank, be that lubricant oil is in loop state, increase the flowability of lubricant oil, strengthen cooling-down effect.
In above-mentioned automobile gearbox reverse gear, the cross section semicircular in shape of described oil storage tank.Do not have obvious corner angle on the inwall of oil storage tank, avoid that reverse gear is stressed rigid slight crack to occur from edges and corners.
In above-mentioned automobile gearbox reverse gear, the external diameter of described gear ring one is greater than the external diameter of gear ring two.Gear ring two need to the interior gear teeth meshing of shifting slide gear, so external diameter is less.
Compared with prior art, this automobile gearbox reverse gear has the following advantages:
1, offer oil storage tank owing on the axis hole wall of this reverse gear, so lubrication effect and good cooling effect.
2, offer owing to the oil storage tank spiral, so the change of the area of contact of oil storage tank and rotating shaft outer wall is large, lubrication effect is better.
3, because two opposing end faces of gear ring one and gear ring two are led at the two ends of oil storage tank, thus loop of lubricant oil formation, the flowability of lubricant oil strengthens, and cooling-down effect is better.
Description of drawings
Fig. 1 is the perspective view of this automobile gearbox reverse gear.
Fig. 2 is the structure plan view of this automobile gearbox reverse gear.
Fig. 3 is the structure sectional view of this automobile gearbox reverse gear.
Among the figure, 1, gear ring one; 2, gear ring two; 3, ring set; 31, oil-through hole; 4, oil storage tank; 5, the outer gear teeth.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Such as Fig. 1, Fig. 2, shown in Figure 3, a kind of automobile gearbox reverse gear comprises a gear ring 1 and a gear ring 22, and gear ring 1 all has some outer gear teeth 5 with the outer wall of gear ring 22, respectively by the outer gear teeth 5 and idle pulley and the shifting slide gear engagement of reversing gear.Gear ring 1 is arranged side by side with gear ring 22 concentrics, have a ring set 3 between gear ring 1 and gear ring 22, gear ring 1, ring set 3, gear ring 22 are one-body molded, and three's center hole forms an isodiametric axis hole, the inwall of this axis hole is a smooth surface, reduces when dallying and the friction of rotating shaft.On ring set 3 outer walls, radially offer some oil-through holes 31 that run through ring set 3, offer some oil storage tanks 4 on the shaft hole inner wall, each oil-through hole 31 connects respectively and connects an oil storage tank 4, so that lubricated in the oil-through hole 31 have and can enter oil storage tank 4, the surface of contact of reverse gear and rotating shaft is played lubrication effect.
Specifically, because oil-through hole 31 is too much, can reduce the mechanical strength of reverse gear, oil-through hole 31 is very few, lubricated not good with cooling-down effect, so the quantity of oil-through hole 31 is three in the present embodiment, circumferentially is evenly distributed on the ring set 3, oil storage tank 4 also has three, circumferentially is evenly distributed on the shaft hole inner wall.Oil storage tank 4 spirals are offered, and increase the length of oil storage tank 4, increase area of contact, gear ring 1 and gear ring 22 are run through respectively in the two ends of oil storage tank 4, so that lubricant oil can from the two ends turnover of oil storage tank 4, make lubricant oil form the loop, increase the flowability of lubricant oil, strengthen cooling-down effect.The cross section semicircular in shape of oil storage tank 4 reduces because offer oil storage tank 4 to the impact of reverse gear mechanical strength.Since gear ring 22 need to the interior gear teeth meshing of shifting slide gear, so the external diameter of gear ring 1 is greater than the external diameter of gear ring 22.
This automobile gearbox reverse gear can be used in the different models, and these models have: WZ38P8.112, WZ38P6IF.109-1,2P60103241001170,1P60100241002124,1J40100241000110,2Y10100241000105, WZ38P10.025-1, WZ38P6.104, WZ38P5.165, WZ38P4.105,1J60100241001102.
Specific embodiment described herein only is to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has more used the terms such as gear ring 1, gear ring 22, ring set 3, oil-through hole 31, oil storage tank 4, the outer gear teeth 5, do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present utility model; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (5)
1. automobile gearbox reverse gear, comprise that outer wall all has gear ring one (1) and the gear ring two (2) of some outer gear teeth (5), described gear ring one (1) is arranged side by side with gear ring two (2) concentrics, between gear ring one (1) and gear ring two (2), has a ring set (3), described gear ring one (1), ring set (3), gear ring two (2) the center holes one-body molded and three form an isodiametric axis hole, on ring set (3) outer wall, radially offer some oil-through holes (31) that run through ring set (3), it is characterized in that, offer some oil storage tanks (4) on the described shaft hole inner wall, described each oil-through hole (31) connects respectively and connects an above-mentioned oil storage tank (4).
2. automobile gearbox reverse gear according to claim 1 is characterized in that, described oil-through hole (31) has three, circumferentially is evenly distributed on the ring set (3), and oil storage tank (4) also has three, circumferentially is evenly distributed on the shaft hole inner wall.
3. automobile gearbox reverse gear according to claim 2 is characterized in that, described oil storage tank (4) spiral is offered, and gear ring one (1) and gear ring two (2) are run through respectively in the two ends of oil storage tank (4).
4. according to claim 2 or 3 described automobile gearbox reverse gears, it is characterized in that the cross section semicircular in shape of described oil storage tank (4).
5. automobile gearbox reverse gear according to claim 4 is characterized in that, the external diameter of described gear ring one (1) is greater than the external diameter of gear ring two (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462374 CN202812113U (en) | 2012-09-12 | 2012-09-12 | Automobile transmission reverse gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462374 CN202812113U (en) | 2012-09-12 | 2012-09-12 | Automobile transmission reverse gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812113U true CN202812113U (en) | 2013-03-20 |
Family
ID=47870986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220462374 Expired - Fee Related CN202812113U (en) | 2012-09-12 | 2012-09-12 | Automobile transmission reverse gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812113U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006121A (en) * | 2014-05-21 | 2014-08-27 | 中山市雅太电器有限公司 | Planetary transmission and ship propeller with planetary transmission |
| CN106352047A (en) * | 2016-10-08 | 2017-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Gear |
| EP4056829A1 (en) * | 2021-03-10 | 2022-09-14 | Safran Transmission Systems | Cooling of pinions of a reduction gear of a turbine engine |
-
2012
- 2012-09-12 CN CN 201220462374 patent/CN202812113U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006121A (en) * | 2014-05-21 | 2014-08-27 | 中山市雅太电器有限公司 | Planetary transmission and ship propeller with planetary transmission |
| CN106352047A (en) * | 2016-10-08 | 2017-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Gear |
| CN106352047B (en) * | 2016-10-08 | 2020-10-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Gear wheel |
| EP4056829A1 (en) * | 2021-03-10 | 2022-09-14 | Safran Transmission Systems | Cooling of pinions of a reduction gear of a turbine engine |
| FR3120657A1 (en) * | 2021-03-10 | 2022-09-16 | Safran Transmission Systems | Cooling of pinions of a mechanical reduction gear of a turbomachine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150912 |
|
| EXPY | Termination of patent right or utility model |