CN207213083U - A kind of inner gearing in automobile engine - Google Patents
A kind of inner gearing in automobile engine Download PDFInfo
- Publication number
- CN207213083U CN207213083U CN201721126070.7U CN201721126070U CN207213083U CN 207213083 U CN207213083 U CN 207213083U CN 201721126070 U CN201721126070 U CN 201721126070U CN 207213083 U CN207213083 U CN 207213083U
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- CN
- China
- Prior art keywords
- gear
- hole
- ring gear
- automobile engine
- central
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- 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.)
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- General Details Of Gearings (AREA)
- Gears, Cams (AREA)
Abstract
The utility model discloses a kind of internal gear in automobile engine, including gear, gear is cylinder, central through hole is provided with the center of gear, fixing hole and lightening hole is distributed with along central through hole, gear extension is connected with ring gear, teeth are provided with the inside of ring gear, integrally sintering forms by iron-base powder metallurgy material for the gear, teeth and ring gear, in the fuel reserve tank that ring gear periphery matches formed with several with oil-through-hole, mechanical part technical field the utility model is related to.A kind of inner gearing in the automobile engine, it is simple in construction, use range is wide, gear, teeth and ring gear by iron-base powder metallurgy material integrally sintering into realize connect between three it is firm, lightening hole alleviates weight, reduces spillage of material, and gear can be lubricated in transmission process, the stationarity of working gear is improved, extends the service life of gear.
Description
Technical field
It the utility model is related to mechanical part technical field, the inner gearing in specially a kind of automobile engine.
Background technology
Automobile engine is that the engine of power is provided for automobile, is the heart of automobile, influences dynamic property, the economy of automobile
Property and the feature of environmental protection.Different according to power resources, automobile engine can be divided into diesel engine, petrol engine, electric automobile electricity
Motivation and hybrid power etc., new-energy automobile on sale is mostly hybrid vehicle in China market, but at present pure
Electric automobile is as main direction, and the gear on engine is also very crucial one, and we are the gear quilt in inner circle
It is referred to as internal gear, typically occurs in inner engaging gear mechanism, existing internal gear still there are not a little weak points, lubrication groove
The shortcomings of production cost is high, degree of engagement is inadequate, and stability is inadequate, and service life is not long.
Utility model content
（One）The technical problem of solution
In view of the shortcomings of the prior art, the utility model provides the inner gearing in a kind of automobile engine, solves
The problem of production cost of existing internal gear lubrication groove is high, degree of engagement is inadequate, and stability is inadequate, and service life is short.
（Two）Technical scheme
To realize object above, the utility model is achieved by the following technical programs：In a kind of automobile engine
Inner gearing, including gear, central through hole are provided with the gear center, the central through hole surrounding is distributed with
Some lightening holes, the central through hole left and right sides are provided with two fixing holes, and the gear extension is connected with ring gear, described
Teeth are provided with the inside of ring gear, are provided with groove on the inside of the ring gear, the gear, teeth and ring gear are by ferrous based powder metallurgical material
Material one sintering forms, and the ring gear periphery is formed with several lubricating arrangements.
Preferably, the lubricating arrangement includes fuel reserve tank, and the fuel reserve tank is provided with pump nozzle.
Preferably, it is provided with and oil canal pair formed with several oil canals, the gear in the gear
Neat oil-through-hole, the oil-through-hole are connected with fuel reserve tank.
Preferably, the central through hole both sides are distributed with fixing hole, described two fixing hole holes heart and central through hole
The hole heart is located on same straight line.
Preferably, the gear is provided with 6 fan-shaped lightening holes, and the lightening hole has 3 up and down in gear
It is individual and symmetrical along the hole heart line of fixing hole and central through hole.
Preferably, groove is provided with the inside of the ring gear, the groove is distributed across on ring gear with teeth.
（Three）Beneficial effect
The utility model provides the inner gearing in a kind of automobile engine.Possesses following beneficial effect：
（1）, inner gearing in the automobile engine, by being uniformly distributed fixing hole along central through hole periphery, be easy to
The little gear that can be driven is set inside internal gear, and gear, teeth and ring gear are integrally sintered by iron-base powder metallurgy material
Connect between three firm into realizing, avoid it from having the situation for departing from or loosening, due to being driven the teeth position of stress
In on ring gear, being hardly damaged teeth made of the big iron-base powder metallurgy material of intensity, extend internal gear uses the longevity
Life.
（2）, inner gearing in the automobile engine, can be by therewith by setting groove on the inside of ring gear
The teeth engagement matched somebody with somebody, improves the stability of pinion rotation, decreases gear loose and caused abrasion.
（3）, inner gearing in the automobile engine, by adding some lightening holes in gear, can subtract
The quality of few whole gear, while also save material.
（4）, the fuel reserve tank that matches formed with several with oil-through-hole of ring gear periphery, fuel reserve tank upper end is formed with oiling
Mouth, lubricating oil is injected by pump nozzle, stored by fuel reserve tank, when needing oilgear, the lubricating oil in fuel reserve tank passes through
Oil-through-hole, oil canal is flowed through, gear is lubricated, improve the stationarity of gear operation, also extend the service life of gear.
Brief description of the drawings
Fig. 1 is the structural representation of the internal gear in automobile engine；
Fig. 2 is the cross section structure diagram in the internal gear in automobile engine.
In figure：1 gear, 11 oil canals, 12 oil-through-holes, 2 central through holes, 3 lightening holes, 4 fixing holes, 5 ring gears, 6 teeth
Tooth, 7 grooves, 8 lubricating arrangements, 81 fuel reserve tanks, 82 pump nozzles.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of inner gearing in automobile engine,
Including gear, central through hole is provided with gear center, some lightening holes are distributed with central through hole surrounding, and lightening hole can
To mitigate the weight of whole gear, while material can be also saved, be provided with two fixing holes at left and right sides of central through hole, fixing hole is just
The little gear that can be driven is set inside internal gear, and gear extension is connected with ring gear, teeth, ring gear are provided with the inside of ring gear
Inner side is provided with groove, and integrally sintering forms by iron-base powder metallurgy material for gear, teeth and ring gear, ring gear periphery formed with
Several lubricating arrangements.
Lubricating arrangement includes fuel reserve tank, and the fuel reserve tank is provided with pump nozzle.
Formed with several oil canals in gear, gear is provided with the oil-through-hole to be alignd with oil canal, described
Oil-through-hole is connected with fuel reserve tank.
Central through hole both sides are distributed with fixing hole, and the hole heart of the Kong Xinyu central through holes of two fixing holes is located at same
On straight line.
Gear is provided with 6 fan-shaped lightening holes, and lightening hole has 3 up and down in gear, and along fixing hole
It is symmetrical with the hole heart line of central through hole.
Groove is provided with the inside of ring gear, the groove is distributed across on ring gear with teeth, groove and the gear to match
Further engagement, the stability for adding the fastness of gear and rotating.
In use, can be with the little gear of drive easy for installation on fixing hole 4, teeth 6 and groove 7 on ring gear 5 can nibble
Matched teeth are closed, drive another runner to rotate, there is the oil storage that several match with oil-through-hole 12 periphery of ring gear 5
Case 81, the upper end of fuel reserve tank 81 are injected lubricating oil by pump nozzle 82, stored by fuel reserve tank 81, when need formed with pump nozzle 82
When wanting oilgear, the lubricating oil in fuel reserve tank 81 is flowed through oil canal 11, gear is lubricated by oil-through-hole 12.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. the inner gearing in a kind of automobile engine, including gear（1）, the gear（1）It is provided with center
Central through hole（2）, the central through hole（2）Some lightening holes are distributed with surrounding（3）, the central through hole left and right sides is provided with two
Individual fixing hole（4）, the gear extension is connected with ring gear（5）, the ring gear（5）Inner side is provided with teeth（6）, the ring gear
（5）Inner side is provided with groove（7）, the gear（1）, teeth（6）And ring gear（5）Integrally sintered by iron-base powder metallurgy material
Form, the ring gear（5）Periphery is formed with several lubricating arrangements（8）.
2. the inner gearing in a kind of automobile engine according to claim 1, it is characterised in that：The lubricating arrangement
（8）Including fuel reserve tank（81）, the fuel reserve tank（81）It is provided with pump nozzle（82）.
3. the inner gearing in a kind of automobile engine according to claim 2, it is characterised in that：The gear
（1）It is interior formed with several oil canals（11）, the gear（1）It is provided with and oil canal（11）The oil-through-hole of alignment
（12）, the oil-through-hole（12）With fuel reserve tank（81）It is connected.
4. the inner gearing in a kind of automobile engine according to claim 1, it is characterised in that：The central through hole
（2）Both sides are distributed with fixing hole（4）, described two fixing holes（4）Kong Xinyu central through holes（2）The hole heart to be located at same straight
On line.
5. the inner gearing in a kind of automobile engine according to claim 1, it is characterised in that：The gear
（1）It is provided with 6 fan-shaped lightening holes（3）, the lightening hole is in gear（1）There are 3 up and down, and along fixing hole（4）
With central through hole（2）Hole heart line it is symmetrical.
6. the inner gearing in a kind of automobile engine according to claim 1, it is characterised in that：The ring gear（5）
Inner side is provided with groove（7）, the groove（7）With teeth（6）It is distributed across ring gear（5）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126070.7U CN207213083U (en) | 2017-09-05 | 2017-09-05 | A kind of inner gearing in automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721126070.7U CN207213083U (en) | 2017-09-05 | 2017-09-05 | A kind of inner gearing in automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213083U true CN207213083U (en) | 2018-04-10 |
Family
ID=61826813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721126070.7U Expired - Fee Related CN207213083U (en) | 2017-09-05 | 2017-09-05 | A kind of inner gearing in automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213083U (en) |
-
2017
- 2017-09-05 CN CN201721126070.7U patent/CN207213083U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20210905 |