CN211501600U

CN211501600U - Transmission housing for diesel engine

Info

Publication number: CN211501600U
Application number: CN202020057209.2U
Authority: CN
Inventors: 苏辰鸣; 胡宗君
Original assignee: Zhejiang Donghe Electromechanical Manufacturing Co ltd
Current assignee: Zhejiang Donghe Electromechanical Manufacturing Co ltd
Priority date: 2020-01-11
Filing date: 2020-01-11
Publication date: 2020-09-15
Anticipated expiration: 2030-01-11

Abstract

The utility model belongs to the technical field of the diesel engine accessory, refer in particular to a gearbox housing for diesel engine. The gear assembly mounting device comprises a main body, wherein a mounting table is arranged on one side of the main body, a gear cavity for mounting a gear assembly is formed in the mounting table, a plurality of oil ducts leading to the gear cavity are formed in the main body, each oil duct comprises a first oil inlet channel and a second oil inlet channel, the outer ends of the first oil inlet channel and the second oil inlet channel extend to the outside of the main body, a first oil inlet hole and a second oil inlet hole are formed in the outer ends of the first oil inlet channel and the second oil inlet channel, a third oil inlet channel is formed in one side of the inner end of the first oil inlet channel; an oil return passage is arranged at the inner end of the second oil inlet passage and is communicated with the gear cavity; the main body is provided with a clamping table on the opposite side of the mounting table, and the main body is provided with a plurality of mounting holes. The utility model aims at providing a derailleur casing for diesel engine with better lubricating function.

Description

Transmission housing for diesel engine

Technical Field

The utility model belongs to the technical field of the diesel engine accessory, refer in particular to a gearbox housing for diesel engine.

Background

The diesel engine speed changer can correspondingly change the oil supply quantity of the diesel engine fuel supply system according to the change of the external resistance so as to balance the output torque of the automobile engine and the external resistance and ensure the stable rotating speed of the engine. The derailleur includes the casing usually and installs the inside change gear unit of casing, the gear unit carries out intermeshing transmission at the course of the work, in order to keep job stabilization nature, need regularly add lubricating oil in the gear in order to guarantee the lubricated function of gear unit, current derailleur is when the installation just adds a certain amount of lubricating oil on the gear usually, then installs the gear unit into the casing again, later stage need dismantle the casing just can add lubricating oil or directly change the derailleur, comparatively inconvenient.

Disclosure of Invention

The utility model aims at providing a derailleur casing for diesel engine with better lubricating function.

The purpose of the utility model is realized like this:

a transmission shell for a diesel engine comprises a main body, wherein a mounting table is arranged on one side of the main body, a gear cavity for mounting a gear assembly is formed in the mounting table, a plurality of oil ducts leading to the gear cavity are formed in the main body, each oil duct comprises a first oil inlet channel and a second oil inlet channel, the outer ends of the first oil inlet channel and the second oil inlet channel extend to the outside of the main body, a first oil inlet hole and a second oil inlet hole are formed in the outer ends of the first oil inlet channel and the second oil inlet channel, a third oil inlet channel is arranged on one side of the inner end of the first oil inlet channel, and the third oil inlet; an oil return passage is arranged at the inner end of the second oil inlet passage and is communicated with the gear cavity; the main body is provided with a clamping table on the opposite side of the mounting table, and the main body is provided with a plurality of mounting holes.

Further set up to, the oil return passageway inboard intercommunication oil outlet channel, oil outlet channel outer end extends to the main part is opened outward and is equipped with the oil outlet, can dismantle in the oil outlet and be equipped with oil blanket device.

Further, a sealing hole is formed in the middle of the clamping table, the bottom of the sealing hole is communicated with the oil return channel, and a sealing piece is arranged in the sealing hole.

Further, the side wall of the sealing hole is provided with an oil leakage hole, and the aperture of the oil leakage hole is smaller than that of the oil outlet hole.

Further set up to, sealed hole is from outer to interior including one-level sealed hole, second grade sealed hole and tertiary sealed hole in proper order, and one-level sealed hole outer end extends to the outer terminal surface of ka tai, tertiary sealed downthehole inboard with oil return channel intercommunication, second grade sealed hole has been seted up with tertiary sealed hole junction the oil leak hole.

The inner side of the first oil inlet channel is provided with an exhaust channel, the inlet of the exhaust channel is positioned on the opposite side of the inlet of the third oil inlet channel, and the caliber of the inlet of the third oil inlet channel is larger than that of the inlet of the exhaust channel.

Further, a counter bore used for installing the gear set is formed in the gear cavity.

Further set up as, the mount table periphery is equipped with a plurality of installation archs, all has seted up a connecting hole on every installation arch.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses directly having seted up first oil feed passageway and second oil feed passageway in the main part is inside, first oil feed passageway and second oil feed passageway outer end extend to the main part and open outward and be equipped with first inlet port and second inlet port, can be to the inside interpolation that lubricates fluid of main part through first inlet port and second inlet port, first oil feed passageway inner one side is equipped with the third inlet port, third inlet port intercommunication gear chamber, fluid can flow to the gear intracavity along first oil feed passageway and third inlet port, can carry out abundant lubrication to the gear train of gear intracavity, avoid blocking, the life of extension equipment.

The utility model discloses a sealed hole is by outer to interior one-level sealed hole, second grade sealed hole and tertiary sealed hole of including in proper order, and multistage sealed hole is equipped with the leakproofness that the casing has been strengthened in the corresponding sealing washer setting to seted up the oil leak hole in second grade sealed hole and tertiary sealed hole junction, can discharge the unnecessary fluid that will flow into sealed hole here, do not influence the leakproofness of whole sealed hole.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a sectional view taken along line A-A of FIG. 1;

FIG. 4 is a sectional view taken along line B-B of FIG. 1;

FIG. 5 is a cross-sectional view taken along line C-C of FIG. 1;

FIG. 6 is a cross-sectional view taken along line D-D of FIG. 2;

fig. 7 is a sectional view taken along line E-E of fig. 2.

Detailed Description

The invention will be further described with reference to specific embodiments, see fig. 1-7:

as shown in fig. 1-2, a transmission housing for a diesel engine comprises a main body 1, wherein a mounting table 11 is arranged on one side of the main body 1, a clamping table 12 is arranged on the opposite side of the mounting table 11, the clamping table 12 is used for connecting a diesel engine body, a plurality of mounting holes 13 are formed in the main body 1, and the mounting holes 13 are threaded holes, so that the mounting is convenient. A gear cavity 2 for mounting a gear assembly is formed in the mounting table 11, a counter bore 21 for mounting the gear assembly is formed in the inner side of the mounting cavity 2, a plurality of oil ducts leading to the gear cavity 2 are formed in the main body 1, each oil duct comprises a first oil inlet channel 3 and a second oil inlet channel 4, the outer ends of the first oil inlet channel 3 and the second oil inlet channel 4 extend to the outside of the main body 1, a first oil inlet hole 31 and a second oil inlet hole 41 are formed in the outer ends of the first oil inlet channel 3 and the second oil inlet channel 4, a third oil inlet channel 5 is formed in one side of the inner end of the first oil inlet channel 3, and the third oil inlet; the inner of second oil feed passageway 4 is equipped with oil return passage 6, and oil return passage 6 intercommunication gear chamber 2, oil return passage 6 inboard intercommunication oil outlet passage 7, oil outlet passage 7 outer end extend to main part 1 is opened outward and is equipped with oil outlet 71. Can be to the inside interpolation that carries out lubricated fluid of main part through to first inlet port and second inlet port, first oil feed passageway inner one side is equipped with the third passageway of intaking, and the third passageway of intaking communicates the gear chamber, and fluid can flow to the gear intracavity along first oil feed passageway and third passageway of intaking, can carry out abundant lubrication to the gear train of gear intracavity, avoids blocking, the life of extension equipment. The oil outlet channel is designed to facilitate the discharge of oil, and the oil outlet hole 71 is provided with an oil seal in the working process, so that the influence of the outflow of oil on the lubricating effect of the oil is avoided.

Further, a sealing hole is formed in the middle of the clamping table 12, the bottom of the sealing hole is communicated with the oil return channel 6, a sealing element is arranged in the sealing hole, an oil leakage hole 84 is formed in the side wall of the sealing hole, and the aperture of the oil leakage hole 84 is smaller than that of the oil outlet hole 71. Because the bottom of the sealing hole is communicated with the oil return channel, a small amount of oil can enter the sealing hole when the oil flows through the oil return channel, and in order to enhance the sealing property of the sealing hole, the oil leakage hole 84 is specially formed in the hole wall of the sealing hole, so that the small amount of oil can be conveniently discharged, and the sealing property is ensured. The diameter of the oil leakage hole 84 is smaller than that of the oil outlet hole 71, so that oil is mainly discharged through the oil outlet passage, and only a very small amount of oil is discharged through the oil leakage hole 84.

The sealing hole comprises a first-level sealing hole 81, a second-level sealing hole 82 and a third-level sealing hole 83 from outside to inside in sequence, the outer end of the first-level sealing hole 81 extends to the outer end face of the clamping table 12, the inner side of the third-level sealing hole 83 is communicated with the oil return channel 6, and the oil leakage hole 84 is formed in the joint of the second-level sealing hole 82 and the third-level sealing hole 83. The aperture of one-level sealed hole 81, second grade sealed hole 82 and tertiary sealed hole 83 reduces gradually, forms cascaded seal structure, has better sealed effect, sets up the leak hole 84 and lies in inside second grade sealed hole 82 and tertiary sealed hole 83 junction, can be with fluid in inside with direct discharge, avoids fluid to flow into one-level sealed hole influence sealing performance.

Further, an exhaust channel 9 is arranged on the inner side of the first oil inlet channel 3, the inlet of the exhaust channel 9 is positioned on the opposite side of the inlet of the third oil inlet channel 5, and the caliber of the inlet of the third oil inlet channel 5 is larger than that of the inlet of the exhaust channel 9. In the working process, gear transmission can produce certain heat, and exhaust passage's setting helps discharging steam, can disperse gas in the oil duct along fluid simultaneously to the heat in the dispersion gear chamber has better decomposition thermal effect.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A transmission casing for a diesel engine, comprising a main body (1), characterized in that: a mounting table (11) is arranged on one side of the main body (1), a gear cavity (2) used for mounting a gear assembly is formed in the mounting table (11), a plurality of oil ducts leading to the gear cavity (2) are formed in the main body (1), each oil duct comprises a first oil inlet channel (3) and a second oil inlet channel (4), the outer ends of the first oil inlet channels (3) and the second oil inlet channels (4) extend to the outside of the main body (1) and are provided with a first oil inlet hole (31) and a second oil inlet hole (41), a third oil inlet channel (5) is formed in one side of the inner end of each first oil inlet channel (3), and the third oil inlet channels (5) are communicated with the gear cavity (2); an oil return passage (6) is arranged at the inner end of the second oil inlet passage, and the oil return passage (6) is communicated with the gear cavity (2); the main body (1) is provided with a clamping table (12) formed on the opposite side of the mounting table (11), and the main body (1) is provided with a plurality of mounting holes (13).

2. The transmission housing for a diesel engine according to claim 1, characterized in that: oil return passageway (6) inboard intercommunication oil outlet channel (7), oil outlet channel (7) outer end extends to main part (1) is opened outward and is equipped with oil outlet (71), can dismantle in oil outlet (71) and be equipped with oil seal arrangement.

3. The transmission housing for a diesel engine according to claim 2, characterized in that: the middle part of the clamping table (12) is provided with a sealing hole, the bottom of the sealing hole is communicated with the oil return channel (6), and a sealing piece is arranged in the sealing hole.

4. The transmission housing for a diesel engine according to claim 3, characterized in that: an oil leakage hole (84) is formed in the side wall of the sealing hole, and the aperture of the oil leakage hole (84) is smaller than that of the oil outlet hole (71).

5. The transmission housing for a diesel engine according to claim 4, characterized in that: the sealing hole comprises a first-level sealing hole (81), a second-level sealing hole (82) and a third-level sealing hole (83) from outside to inside in sequence, the outer end of the first-level sealing hole (81) extends to the outer end face of the clamping table (12), the inner side of the third-level sealing hole (83) is communicated with the oil return channel (6), and the joint of the second-level sealing hole (82) and the third-level sealing hole (83) is provided with the oil leakage hole (84).

6. The transmission case for a diesel engine according to any one of claims 1 to 5, characterized in that: an exhaust channel (9) is arranged on the inner side of the first oil inlet channel (3), the inlet of the exhaust channel (9) is located on the opposite side of the inlet of the third oil inlet channel (5), and the caliber of the inlet of the third oil inlet channel (5) is larger than that of the inlet of the exhaust channel (9).

7. The transmission housing for a diesel engine according to claim 1, characterized in that: and a counter bore (21) for mounting the gear set is formed in the gear cavity (2).

8. The transmission case for a diesel engine according to claim 1 or 7, characterized in that: the periphery of the mounting table (11) is provided with a plurality of mounting protrusions (14), and each mounting protrusion (14) is provided with a connecting hole (15).