CN210660338U

CN210660338U - Diesel engine crankcase

Info

Publication number: CN210660338U
Application number: CN201921430440.5U
Authority: CN
Inventors: 管岳如
Original assignee: Changzhou Etk Power Machinery Co ltd
Current assignee: Changzhou Etk Power Machinery Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-02
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a diesel engine crankcase body, including last crankcase and lower crankcase, the inside cavity of having seted up of lower crankcase, the inside strengthening rib that is provided with of cavity, cavity inside below department is provided with row's sediment pipe, and the one end of arranging the sediment pipe extends to the cavity outside, the one end that row's sediment pipe extended the cavity is provided with driving motor, the one end below department that row's sediment pipe extended the cavity is provided with the scum valve, it has seted up logical groove to arrange the sediment pipe in the inside top department of cavity, arrange the intraduct and be provided with the screw axostylus axostyle, the one end of screw axostylus axostyle and driving motor's output shaft, the other end passes through the bearing and rotates and install in row's sediment. The utility model is suitable for a crankcase, the inside oil-gas separation pipe and the scum pipe of being provided with of cavity of this crankcase can get rid of the gas and the metallic impurity of sneaking into in the machine oil, promote the machine oil quality.

Description

Diesel engine crankcase

Technical Field

The utility model belongs to the technical field of the diesel engine, specifically be a diesel engine crankcase body.

Background

The diesel engine is an engine which burns diesel to obtain energy release, and the crankcase comprises an upper crankcase and a lower crankcase, wherein the upper crankcase and a cylinder body are cast into a whole, the lower crankcase is used for storing lubricating oil and closing the upper crankcase, the oil bottom case is stressed slightly and is generally formed by stamping a thin steel plate, the shape of the oil bottom case depends on the overall arrangement of the engine and the capacity of the engine oil, when the engine works, high-pressure combustible mixed gas and burnt gas in a combustion chamber can leak into the crankcase more or less through a gap between a piston group and the cylinder to cause blow-by, the components of the blow-by gas are unburned fuel gas, water vapor, waste gas and the like, the engine oil can be diluted, the service performance of the engine oil is reduced, the oxidation and the deterioration of the engine oil are accelerated, and water vapor is condensed in the engine oil to form oil sludge; acid gases in the exhaust gas are mixed into the lubrication system, which can cause corrosion and accelerated wear of engine parts; the blow-by gas also causes the pressure of the crankcase to be too high to damage the sealing of the crankcase, so that the engine oil leaks and runs off;

however, the existing crankcase is lack of a structure for removing impurities in engine oil, and only a magnet can be added at the position of an oil discharge valve to adsorb metal impurities in the engine oil, so that the structure arrangement causes low efficiency of removing the metal impurities and is easy to block the valve, and the existing crankcase can be added with a forced ventilation device to reduce the gas pressure in the crankcase and the concentration of the mixed gas, but the removal effect is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem among the background art, provide a diesel engine crankcase body.

The utility model adopts the technical scheme as follows:

a crankcase body of a diesel engine comprises an upper crankcase and a lower crankcase, wherein a bottom plate is arranged at the bottom of the lower crankcase, a cavity is formed in the lower crankcase, reinforcing ribs are arranged in the cavity, a deslagging pipe is arranged below the inner part of the cavity and transversely penetrates through the cavity, one end of the deslagging pipe extends to the outer side of the cavity, a driving motor is arranged at one end, extending out of the cavity, of the deslagging pipe, a deslagging valve is arranged below one end, extending out of the cavity, of the deslagging pipe, a through groove is formed in the upper part of the inner part of the cavity, a threaded shaft lever is arranged in the deslagging pipe, one end of the threaded shaft lever is connected with an output shaft of the driving motor, the other end of the threaded shaft lever is rotatably arranged on the inner wall of the deslagging pipe through a bearing, and a thread bushing is sleeved on the threaded shaft lever, and the thread sleeve is sleeved with a scraping disc.

Wherein the outer diameter of the scraping disc is consistent with the inner diameter of the slag discharge pipe.

The two scraping discs are arranged, and are symmetrical to each other about the vertical center line of the wire sleeve.

The two through grooves are arranged, the magnetic pipe is arranged between the through grooves, and the permanent magnet is embedded in the inner wall of the lower half portion of the magnetic pipe.

The oil-gas separation filter is characterized in that an oil-gas separation pipe is further arranged inside the cavity, a plurality of mesh areas are equidistantly distributed on the outer surface of the oil-gas separation pipe, the surface of each mesh area is wrapped with an oil-gas separation filter sleeve, and one end of the oil-gas separation pipe extends to the outer side of the lower crankcase and is provided with a one-way air tap.

Wherein the opening depth of the through groove is less than half of the diameter of the slag discharge pipe.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the inside scum pipe that is provided with of cavity, and the logical groove has been seted up on the scum pipe, make inside and the inside intercommunication of cavity of scum pipe, such structure setting makes the cavity inside when the oil storage, machine oil can get into in the scum pipe, because the latter half inner wall of scum pipe goes up the magnetron inlays and is equipped with the permanent magnet, metallic impurity that exists in the machine oil can adsorb on the permanent magnet, can drive the screw axostylus axostyle when driving motor operation and rotate, because the effect of silk covering sleeve pipe makes the scraping plate can be at the intraduct removal of scum pipe, the metallic impurity that will adsorb on the permanent magnet scrapes to arrange the position of scum valve and discharges, thereby the quality of machine oil, make machine oil life longer, and such structure setting makes metallic impurity get rid of fastly.

2. The utility model discloses in, the inside oil-gas separation pipe that still is provided with of cavity, oil-gas separation outside of tubes surface equidistance distributes and has a plurality of netted region, there is the oil-gas separation filter sleeve netted region surface coating, the one end of oil-gas separation pipe extends to the lower crankcase outside and installs one-way air cock, oil-gas separation pipe keeps in contact with the inside machine oil of cavity, at the in-process that the machine oil flows, the gas of sneaking into in the machine oil gets into inside the oil-gas separation filter sleeve by netted region's oil-gas separation filter sleeve, discharge by the one-way air cock of oil-gas separation pipe one end again, thereby reach the effect that reduces gas concentration in the machine oil, prevent that the machine oil from appearing by the gas dilution of sneaking into and the rott.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the partial structure of the slag discharge pipe of the present invention;

fig. 3 is the local structure schematic diagram of the oil-gas separation pipe of the utility model.

The labels in the figure are: 1. an upper crankcase; 2. a one-way air tap; 3. reinforcing ribs; 4. a cavity; 5. a lower crankcase; 6. a base plate; 7. a slag discharge pipe; 8. an oil-gas separation pipe; 9. a magnetic tube; 10. a through groove; 11. a threaded shaft; 12. a scraping disc; 13. sleeving a thread sleeve; 14. a slag discharge valve; 15. a drive motor; 16. oil-gas separation filter sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1-3, a crankcase body of a diesel engine comprises an upper crankcase 1 and a lower crankcase 5, a bottom plate 6 is arranged at the bottom of the lower crankcase 5, a cavity 4 is arranged in the lower crankcase 5, a reinforcing rib 3 is arranged in the cavity 4, a slag discharge pipe 7 is arranged below the inner part of the cavity 4, the slag discharge pipe 7 transversely penetrates through the cavity 4, one end of the slag discharge pipe 7 extends to the outer side of the cavity 4, a driving motor 15 is arranged at one end of the slag discharge pipe 7 extending out of the cavity 4, a slag discharge valve 14 is arranged below one end of the slag discharge pipe 7 extending out of the cavity 4, a through groove 10 is arranged above the inner part of the cavity 4 of the slag discharge pipe 7, a threaded shaft lever 11 is arranged in the slag discharge pipe 7, one end of the threaded shaft lever 11 is connected with an output shaft of the driving motor 15, the other end is rotatably arranged at the inner wall port of, the wire sleeve 13 is sleeved with the scraping disc 12, the outer diameter of the scraping disc 12 is consistent with the inner diameter of the slag discharging pipe 7, the scraping disc 12 is provided with two scraping discs, the two scraping discs 12 are symmetrical to each other about the vertical central line of the wire sleeve 13, the through groove 10 is provided with two, the magnetic pipe 9 is arranged between the two through grooves 10, the permanent magnet is embedded on the inner wall of the lower half portion of the magnetic pipe 9, and the opening depth of the through groove 10 is smaller than half of the diameter of the slag discharging pipe 7.

By adopting the technical scheme:

because the inside scum pipe 7 that is provided with of cavity 4, and logical groove 10 has been seted up on scum pipe 7, make inside and the inside intercommunication of cavity 4 of scum pipe 7, such structure setting makes cavity 4 inside when carrying out the oil storage, machine oil can get into in scum pipe 7, because the latter half of inner wall of magnetron 9 inlays and is equipped with the permanent magnet on scum pipe 7, metallic impurity who exists in the machine oil can adsorb on the permanent magnet, can drive screw shaft pole 11 and rotate when driving motor 15 moves, make scraping dish 12 and can be in scum pipe 7 inside removal through the effect of silk covering sleeve pipe 13, thereby can scrape the metallic impurity who adsorbs on the permanent magnet and discharge to the 14 positions department of scum valve, thereby the quality of machine oil, make machine oil life longer.

The inside oil-gas separation pipe 8 that still is provided with of

cavity

4, 8 surface equidistance distributions of oil-gas separation pipe have a plurality of netted region, and it has oil-gas separation filter sleeve 16 to wrap up at netted region surface, and the one end of oil-gas separation pipe 8 extends to the crankcase 5 outside down and installs one-way air cock 2.

By adopting the technical scheme:

the oil-gas separation pipe 8 keeps contact with the engine oil in the cavity 4, and in the flowing process of the engine oil, the gas mixed in the engine oil enters the oil-gas separation pipe 8 from the oil-gas separation filter sleeve 16 in a net area and is discharged from the one-way air tap 2 at one end of the oil-gas separation pipe 8, so that the effect of reducing the concentration of the gas in the engine oil is achieved, and the engine oil is prevented from being diluted by the mixed gas.

The working principle of the oil-gas separator is that referring to fig. 1-3, when in use, firstly the cavity 4 in the lower crankcase 5 is used for storing engine oil, when the cavity 4 stores the engine oil, the oil-gas separation pipe 8 is in dynamic contact with the engine oil all the time, in the process of flowing of the engine oil, gas mixed in the engine oil enters the oil-gas separation pipe 8 from the oil-gas separation filter sleeve 16 in a net area and is discharged from the one-way gas nozzle 2 at one end of the oil-gas separation pipe 8, so that the effect of reducing the gas concentration in the engine oil is achieved, the engine oil is prevented from being diluted by the mixed gas, and when the engine oil flows through the position in the magnetic pipe 9, metal impurities in the engine oil are adsorbed on the permanent magnet, when the driving motor 15 runs, the threaded shaft lever 11 is driven to rotate, the scraping disc 12 moves in the slag discharge pipe 7 under the action of the wire sleeve 13, and the metal impurities, reach and reduce machine oil impurity, promote machine oil quality and life's effect.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a diesel engine crankcase body, includes crankcase (1) and lower crankcase (5), lower crankcase (5) bottom is provided with bottom plate (6), its characterized in that: a cavity (4) is formed in the lower crankcase (5), a reinforcing rib (3) is arranged in the cavity (4), a slag discharge pipe (7) is arranged at the position below the inner part of the cavity (4), the slag discharge pipe (7) transversely penetrates through the cavity (4), one end of the slag discharge pipe (7) extends to the outer side of the cavity (4), a driving motor (15) is arranged at one end of the slag discharge pipe (7) extending out of the cavity (4), a slag discharge valve (14) is arranged at the position below one end of the slag discharge pipe (7) extending out of the cavity (4), a through groove (10) is formed in the position above the inner part of the cavity (4) of the slag discharge pipe (7), a threaded shaft lever (11) is arranged in the slag discharge pipe (7), one end of the threaded shaft lever (11) is connected with an output shaft of the driving motor (15), and the other end of the threaded shaft lever is rotatably installed on the inner wall of the slag discharge pipe (7) through a, the thread shaft lever (11) is sleeved with a thread sleeve (13), and the thread sleeve (13) is sleeved with a scraping disc (12).

2. A crankcase body for a diesel engine as claimed in claim 1, wherein: the outer diameter of the scraping disc (12) is consistent with the inner diameter of the slag discharge pipe (7).

3. A crankcase body for a diesel engine as claimed in claim 1, wherein: the scraping discs (12) are arranged in two, and the two scraping discs (12) are mutually symmetrical about the vertical center line of the wire sleeve (13).

4. A crankcase body for a diesel engine as claimed in claim 1, wherein: the two through grooves (10) are arranged, the magnetic pipe (9) is arranged between the two through grooves (10), and a permanent magnet is embedded in the inner wall of the lower half portion of the magnetic pipe (9).

5. A crankcase body for a diesel engine as claimed in claim 1, wherein: cavity (4) inside still is provided with oil-gas separation pipe (8), oil-gas separation pipe (8) surface equidistance distributes and has the netted region of a plurality of net regional surface coating has oil-gas separation filter sleeve (16), the one end of oil-gas separation pipe (8) extends to crankcase (5) outside down and install one-way air cock (2).

6. A crankcase body for a diesel engine as claimed in claim 1, wherein: the opening depth of the through groove (10) is less than half of the diameter of the slag discharge pipe (7).