CN207864403U - Aero-engine bent axle - Google Patents
Aero-engine bent axle Download PDFInfo
- Publication number
- CN207864403U CN207864403U CN201721775028.8U CN201721775028U CN207864403U CN 207864403 U CN207864403 U CN 207864403U CN 201721775028 U CN201721775028 U CN 201721775028U CN 207864403 U CN207864403 U CN 207864403U
- Authority
- CN
- China
- Prior art keywords
- crank
- oil
- crankshaft body
- pin plug
- bent axle
- 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.)
- Active
Links
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of aero-engine bent axles, including：Crankshaft body, crankshaft body include connected crankshaft body front and crankshaft body rear portion, and crankshaft body front is equipped with crank-pin plug, and crank-pin plug has spherical oil inlet, oil inlet and the oil communication in crankshaft body.In the aero-engine bent axle of the utility model, since the oil inlet of crank-pin plug is spherical shape, cylindrical oil inlet compared with prior art, lubricating oil can more smoothly be flowed into crank-pin plug, then be flowed into again in the oil circuit of bent axle, oil circuit is more unobstructed.In the utility model, the oil inlet of crank-pin plug is spherical shape, lubricating oil can more smoothly flow into crank-pin plug, under the premise of ensureing lubricating oil circulation, can greatly reduce the volume of crank-pin plug, enable crank-pin plug in crankshaft body front, when rinsing bent axle, without crankshaft body rear portion of dismantling, crank-pin plug is extracted, simplify operating process, and optimizes the decomposable process of aero-engine.
Description
Technical field
The utility model is related to aero-engine fields, particularly, are related to a kind of aero-engine bent axle.
Background technology
Crank-pin plug when the engine is working, serves as the effect of plug and unicom oil circuit, makes lubricating oil can in predetermined oil circuit
It smoothly to circulate, after engine decomposition, needs to extract, to facilitate the grease rinsed in crankshaft body.
In the prior art, crank-pin plug is installed on the link position of crankshaft body front and crankshaft body rear portion, this installation
When position to rinse crankshaft body greasy dirt, it is necessary to which crank-pin plug could be gone out to rinse so that behaviour by crankshaft body rear portion of dismantling
It is cumbersome to make process, working efficiency is low.
Utility model content
The utility model provides a kind of aero-engine bent axle, cumbersome when solving to rinse existing bent axle,
Ineffective technical problem.
The technical solution adopted in the utility model is as follows：
A kind of aero-engine bent axle, including：Crankshaft body, crankshaft body include connected crankshaft body front and song
Shaft body rear portion, crankshaft body front are equipped with crank-pin plug, and crank-pin plug has spherical oil inlet, oil inlet and bent axle sheet
Internal oil communication.
Further, the outer wall of crankshaft body front is equipped with the oil duct to extend internally；Crank-pin plug is installed in oil duct
Open end is to block oil duct, and oil inlet is connected to oil duct.
Further, oil inlet is located on the end face of crank-pin plug one end, and the opening of oil inlet is towards the closing of oil duct
End.
Further, oil inlet is spherical in semicircle.
Further, the side wall of crank-pin plug is equipped with multiple oil grooves for being respectively communicated with oil inlet, each oil groove with
The oil communication in crankshaft body being correspondingly arranged.
Further, multiple oil grooves are spaced setting successively along the circumferential direction of crank-pin plug.
Further, oil groove is in kidney-shaped, and long axis is located on the length direction of crank-pin plug.
Further, crank-pin is additionally provided with multiple intercommunicating pores beyond the Great Wall, for being connected to each oil groove and oil inlet.
Further, the end face of another opposite end of crank-pin plug is equipped with the connecting hole of indent, for making bent axle and starting
Other parts are connected on machine.
Further, crankshaft body includes the crankshaft body front being oppositely arranged and crankshaft body rear portion, before crankshaft body
Portion is connected by its horizontally disposed interconnecting piece with crankshaft body rear portion；Oil duct level is arranged in interconnecting piece.
The utility model has the advantages that：
In the aero-engine bent axle of the utility model, since the oil inlet of crank-pin plug is spherical shape, existing skill is compared
The cylindrical oil inlet of art, lubricating oil can more smoothly be flowed into crank-pin plug, then be flowed into again in the oil circuit of bent axle, and oil circuit is more
It is unobstructed.Cylindrical oil inlet compared with prior art needs larger circulation radius that can just lubricating oil be made smoothly to flow into crank-pin
In plug, in the utility model, the oil inlet of crank-pin plug is spherical shape, and lubricating oil can more smoothly flow into crank-pin plug, thus
Under the premise of ensureing lubricating oil circulation, the volume of crank-pin plug can be greatly reduced, enables crank-pin plug before crankshaft body
In portion, when to rinse bent axle, without crankshaft body rear portion of dismantling, crank-pin plug is extracted, simplifies operating process, improve work
Make efficiency, and optimizes the decomposable process of aero-engine.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the structural schematic diagram of the bent axle of the preferred embodiment in the utility model；
Fig. 2 is the structural schematic diagram of crank-pin plug in Fig. 1.
Marginal data
10, crankshaft body；11, crankshaft body front；12, crankshaft body rear portion；101, oil duct；102, interconnecting piece；20, bent
Handle pin plug；201, oil inlet；202, oil groove；203, intercommunicating pore；204, connecting hole.
Specific implementation mode
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Referring to Fig.1, the preferred embodiment of the utility model provides a kind of aero-engine bent axle, including：Bent axle sheet
Body 10, crankshaft body 10 include that connected crankshaft body front 11 and crankshaft body rear portion 12, crankshaft body front 11 are equipped with
Crank-pin plug 20, crank-pin plug 20 have spherical oil inlet 201, oil inlet 201 and the oil communication in crankshaft body 10.
In the aero-engine bent axle of the utility model, since the oil inlet 201 of crank-pin plug 20 is spherical shape, compared to existing
There are the cylindrical oil inlet of technology, lubricating oil that can more smoothly flow into crank-pin plug 20, then flow into again in the oil circuit of bent axle, oil
Road is more unobstructed.Cylindrical oil inlet compared with prior art needs larger circulation radius that can just lubricating oil be made smoothly to flow into
In crank-pin plug, in the utility model, the oil inlet 201 of crank-pin plug 20 is spherical shape, and lubricating oil can more smoothly flow into crank-pin
In plug, under the premise of ensureing lubricating oil circulation, can greatly reduce the volume of crank-pin plug, crank-pin plug is enable to be mounted in
In crankshaft body front 11, when to rinse bent axle, without crankshaft body rear portion 12 of dismantling, crank-pin plug 20, letter are extracted
Change operating process, improve working efficiency, and optimizes the decomposable process of aero-engine.
Optionally, as shown in Figure 1, the outer wall of crankshaft body front 11 is equipped with the oil duct 101 to extend internally.Crank-pin plug
20 are installed in the open end of oil duct 101 to block oil duct 101, and oil inlet 201 is connected to oil duct 101.In this specific embodiment,
The end face of the end face and 101 open end of oil duct of crank-pin plug 20.
In the utility model, oil inlet 201 is located on the end face of 20 one end of crank-pin plug, and the opening court of oil inlet 201
To the blind end of oil duct 101, consequently facilitating the lubricating oil in oil duct 101 more smoothly flows into crank-pin plug 20.
In this specific embodiment, as shown in Fig. 2, oil inlet 201 is spherical in semicircle, make simple.
Optionally, as shown in Fig. 2, the side wall of crank-pin plug 20 is equipped with multiple for being respectively communicated with oil inlet 201
Oil groove 202, each oil groove 202 and the oil communication in the crankshaft body 10 being correspondingly arranged.Lubricating oil in oil inlet 201 flows into first
In each oil groove 202, then flowed into the oil circuit for the crankshaft body 10 being correspondingly arranged by oil groove 202 again.
In the present embodiment, multiple oil grooves 202 are spaced setting successively along the circumferential direction of crank-pin plug 20.
In this specific embodiment, as shown in Fig. 2, oil groove 202 is in kidney-shaped, long axis is located at the length direction of crank-pin plug 20
On.Compared to other shapes, more lubricating oil can be stored in the oil groove 202 of kidney-shaped, to ensure the smooth of lubricating oil in crankshaft body
Supply.
Further, multiple intercommunicating pores 203 are additionally provided on crank-pin plug 20, for being connected to each oil groove 202 and oil inlet
201.Lubricating oil in oil inlet 201 is flowed by each intercommunicating pore 203 in each oil groove 202 being correspondingly arranged, then again by each oil groove
202 flow into the oil circuit being correspondingly arranged.
Optionally, it as shown in Fig. 2, the end face of 20 another opposite end of crank-pin plug is equipped with the connecting hole 204 of indent, is used for
Bent axle is set to be connected with other parts on engine.
Optionally, as shown in Figure 1, crankshaft body 10 includes the crankshaft body front 11 being oppositely arranged and crankshaft body rear portion
12, crankshaft body front 11 is connected by its horizontally disposed interconnecting piece 102 with crankshaft body rear portion 12.101 level of oil duct is worn
In interconnecting piece 102.Compared with prior art, the crank-pin plug 20 of the utility model is small, to install crank-pin plug
The sectional area of 20 oil duct 101 is small, and then can increase the wall thickness of interconnecting piece 102 at oil duct 101, ensures that interconnecting piece 102 has foot
Enough bonding strengths improve the structural strength of bent axle entirety.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of aero-engine bent axle, which is characterized in that including：
Crankshaft body (10), the crankshaft body (10) include connected crankshaft body front (11) and crankshaft body rear portion
(12), the crankshaft body front (11) is equipped with crank-pin plug (20), and the crank-pin plug (20) has spherical oil inlet
(201), the oil inlet (201) and the oil communication in the crankshaft body (10).
2. aero-engine bent axle according to claim 1, which is characterized in that
The outer wall of the crankshaft body front (11) is equipped with the oil duct (101) to extend internally；
The crank-pin plug (20) is installed in the open end of the oil duct (101) to block the oil duct (101), and the oil inlet
Mouth (201) is connected to the oil duct (101).
3. aero-engine bent axle according to claim 2, which is characterized in that
The oil inlet (201) is located on the end face of described crank-pin plug (20) one end, and the opening court of the oil inlet (201)
To the blind end of the oil duct (101).
4. aero-engine bent axle according to claim 2, which is characterized in that
The oil inlet (201) is spherical in semicircle.
5. aero-engine bent axle according to claim 1, which is characterized in that
The side wall of the crank-pin plug (20) is equipped with multiple oil grooves (202) for being respectively communicated with the oil inlet (201),
Each oil groove (202) and the oil communication in the crankshaft body (10) being correspondingly arranged.
6. aero-engine bent axle according to claim 5, which is characterized in that
Multiple oil grooves (202) are spaced setting successively along the circumferential direction of the crank-pin plug (20).
7. aero-engine bent axle according to claim 5, which is characterized in that
The oil groove (202) is in kidney-shaped, and long axis is located on the length direction of the crank-pin plug (20).
8. aero-engine bent axle according to claim 5, which is characterized in that
Multiple intercommunicating pores (203) are additionally provided on the crank-pin plug (20), for being connected to each oil groove (202) and the oil inlet
Mouth (201).
9. aero-engine bent axle according to claim 1, which is characterized in that
The end face of another opposite end of the crank-pin plug (20) be equipped with indent connecting hole (204), for make the bent axle with
Other parts are connected on engine.
10. aero-engine bent axle according to claim 2, which is characterized in that
The crankshaft body (10) includes the crankshaft body front (11) being oppositely arranged and the crankshaft body rear portion (12),
The crankshaft body front (11) is connected by its horizontally disposed interconnecting piece (102) with the crankshaft body rear portion (12)；
Oil duct (101) level is arranged in the interconnecting piece (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721775028.8U CN207864403U (en) | 2017-12-18 | 2017-12-18 | Aero-engine bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721775028.8U CN207864403U (en) | 2017-12-18 | 2017-12-18 | Aero-engine bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864403U true CN207864403U (en) | 2018-09-14 |
Family
ID=63465207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721775028.8U Active CN207864403U (en) | 2017-12-18 | 2017-12-18 | Aero-engine bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864403U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963880A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Oil plug with self-sealing function |
| CN114352920A (en) * | 2021-12-15 | 2022-04-15 | 中国北方发动机研究所(天津) | Split type oil plug for hollow crankshaft |
-
2017
- 2017-12-18 CN CN201721775028.8U patent/CN207864403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963880A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Oil plug with self-sealing function |
| CN114352920A (en) * | 2021-12-15 | 2022-04-15 | 中国北方发动机研究所(天津) | Split type oil plug for hollow crankshaft |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207864403U (en) | Aero-engine bent axle | |
| CN204961301U (en) | Second grade air compressor's lubricating system | |
| CN106438279B (en) | Crankshaft oil circuit structure of compressor and compressor with same | |
| CN207454527U (en) | A kind of connecting rod lubrication structure of engine | |
| CN208381144U (en) | One kind being suitable for high-revolving shaft universal-joint | |
| CN206230449U (en) | The pressing component of cylinder block cam shaft bush | |
| CN209414088U (en) | Piston structure and compressor with it | |
| CN206030961U (en) | Take lubrication and cooling's axle housing assembly | |
| CN202545780U (en) | Improved planetary plate | |
| CN207916310U (en) | A kind of powder box that chip snaps connection | |
| CN205686139U (en) | A kind of vehicle-mounted perfume base | |
| CN204738870U (en) | Passenger car gasoline engine midbody for turbo charger | |
| CN205477815U (en) | Exhaust rocker arm's oiling mechanism for automobile | |
| CN205244106U (en) | Crank axle of integral type area oil cavity | |
| CN205101200U (en) | Flange assembly , compressor and indirect heating equipment | |
| CN214534708U (en) | Stop valve that working strength is high | |
| CN203948466U (en) | A kind of selflubricating copper shoe | |
| CN208363164U (en) | A kind of quartering hammer cylinder body oil return system | |
| CN216480149U (en) | Automobile engine bush | |
| CN208670001U (en) | A kind of new accurate flower-shape connection crank pulley | |
| CN203978629U (en) | Cylinder of diesel engine | |
| CN217301286U (en) | Precision roller for machine tool | |
| CN220169147U (en) | Antiseep oil pump | |
| CN205349540U (en) | Piston pin on diesel engine | |
| CN202597083U (en) | Axial plunger pump with circulating oil passage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |