CN114198492A

CN114198492A - Gearbox body

Info

Publication number: CN114198492A
Application number: CN202111358933.4A
Authority: CN
Inventors: 卜亚; 汤庆森
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-03-18

Abstract

The invention relates to the technical field of gearbox production, in particular to a gearbox body. The utility model provides a gearbox casing, includes the casing, connect input shaft and output shaft about the casing, left aspirator and right aspirator are connected respectively to input shaft and output shaft, inside opening of downside has last oil groove and lower oil groove on the casing, go up the oil groove and communicate left aspirator and right aspirator respectively with lower oil groove, the casing center is the change gear district. The right aspirator of the device sucks the lower half part oil of the speed change gear area through the lower oil groove, and the oil is circularly filtered from the right end and then is re-injected into the speed change gear area to form another circularly filtered oil; the circulating oil filtering efficiency of the left suction device and the right suction device is influenced by the rotating speed of the input shaft and the rotating speed of the output shaft, the upper circulating flow speed and the lower circulating flow speed of the speed change gear area are different, the area with the low flow speed can flow to the area with the high flow speed, a third circulation is formed, and the filtering efficiency is further improved.

Description

Gearbox body

Technical Field

The invention relates to the technical field of gearbox production, in particular to a gearbox body.

Background

A transmission is a mechanism for changing the speed and torque from an engine, which can change the ratio of the output shaft to the input shaft, either fixed or in steps, also known as a gearbox. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. The transmission mechanism is mainly driven by common gears and also driven by planetary gears. The common gear transmission mechanism generally uses a sliding gear, a synchronizer and the like.

The shell is used as a shell of the gearbox, a speed change gear area inside the shell is used as a moving place of the speed change gear set, the full-oil-immersed gearbox is easy to generate black scraps due to the limitation of service life in the meshing rotation process of the internal gear set, oil is further polluted, the polluted oil is further polluted along with the tooth movement, and the service life consumption of the gear set is accelerated.

Disclosure of Invention

The invention aims to solve the problems that in the background technology, a shell is used as a shell of a gearbox, a speed change gear area in the shell is used as a moving place of a speed change gear set, a full-oil-immersed gearbox is easy to generate black debris due to the limitation of service life in the meshing rotation process of an internal gear set, oil is polluted, the polluted oil further expands pollution along with the tooth movement, and the service life consumption of the gear set is accelerated.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a gearbox casing, includes the casing, connect input shaft and output shaft about the casing, left aspirator and right aspirator are connected respectively to input shaft and output shaft, inside opening of downside has last oil groove and lower oil groove on the casing, go up the oil groove and communicate left aspirator and right aspirator respectively with lower oil groove, the casing center is the change gear district.

Preferably, the right aspirator comprises a piston assembly, the piston assembly is connected with a reciprocating plate structure, and the piston assembly is connected with an oil filtering structure.

Preferably, the piston combination includes the circular port, sliding connection sliding tube in the circular port, sliding connection belt check valve's piston in the sliding tube, the suction tube is connected to the piston, oil groove under the suction tube intercommunication, sliding tube right-hand member intercommunication U type pipe.

Preferably, the reciprocating plate structure comprises a pressing plate, the pressing plate is connected with a threaded sleeve, the threaded sleeve is sleeved on an output shaft, the output shaft is provided with a threaded section, and the threaded section is a cross bidirectional thread.

Preferably, the oil filtering structure comprises a box body, a filter element is arranged in the box body, the left end of the box body is connected with a one-way valve pipe, and the one-way valve pipe is communicated with a speed change gear area.

Compared with the prior art, the invention provides a gearbox body, which has the following beneficial effects:

1. this gearbox box, casing are as the gearbox shell, and its inside change gear district is as the place of change gear group motion, full oil-immersed gearbox, and inside gear train meshing rotation in-process receives life restriction easily to produce black piece, and then pollutes oil, and the oil of pollution is further enlarged along with the tooth moves again and is polluted, accelerates the consumption of gear train life-span.

2. According to the gearbox body, the left aspirator and the right aspirator are self-driven by the input shaft and the output shaft on two sides, no other power source is needed to be equipped, the left aspirator sucks the oil on the upper half part of the speed change gear area through the upper oil groove, and the oil is circularly filtered from the left end and then is re-injected into the speed change gear area to form a circular oil filter.

3. In the gearbox body, the right aspirator sucks the lower half part oil of the speed change gear area through the lower oil groove, and the oil is circularly filtered from the right end and then is re-injected into the speed change gear area to form another circularly filtered oil; the circulating oil filtering efficiency of the left suction device and the right suction device is influenced by the rotating speed of the input shaft and the rotating speed of the output shaft, the upper circulating flow speed and the lower circulating flow speed of the speed change gear area are different, the area with the low flow speed can flow to the area with the high flow speed, a third circulation is formed, and the filtering efficiency is further improved.

Drawings

FIG. 1 is a block diagram of a transmission housing according to the present invention;

FIG. 2 is a schematic view of the connection structure of the right aspirator.

In the figure: 1. a housing; 2. an input shaft; 3. an output shaft; 4. a left aspirator; 5. a right aspirator; 51. a piston assembly; 511. a circular hole; 512. a sliding cylinder; 513. a piston; 514. a suction tube; 515. a U-shaped pipe; 52. a reciprocating plate structure; 521. pressing a plate; 522. a threaded sleeve; 523. a threaded segment; 53. an oil filtering structure; 531. a box body; 532. a filter element; 533. a check valve tube; 6. an upper oil groove; 7. a lower oil groove; 8. a speed change gear region; 9. a channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, in the embodiment of the invention, a gearbox body comprises a shell 1, the shell 1 is connected with an input shaft 2 and an output shaft 3 on the left and right, the input shaft 2 and the output shaft 3 are respectively connected with a left aspirator 4 and a right aspirator 5, an upper oil groove 6 and a lower oil groove 7 are formed in the upper and lower sides of the shell 1, the upper oil groove 6 and the lower oil groove 7 are respectively communicated with the left aspirator 4 and the right aspirator 5, a speed change gear area 8 is arranged in the center of the shell 1, the left aspirator 4 and the right aspirator 5 are arranged and communicated with the upper oil groove 6 and the lower oil groove 7, contaminated oil can be sucked, impurities are separated from the oil, and the filtered oil flows into the speed change gear area 8, so that the abrasion of the gear set caused by the impurities entering the oil is reduced, and the service life of the gear set is effectively prolonged.

The right aspirator 5 comprises a piston combination 51, the piston combination 51 is connected with a reciprocating plate structure 52, the piston combination 51 is connected with an oil filtering structure 53, the piston combination 51 comprises a circular hole 511, a sliding cylinder 512 is slidably connected in the circular hole 511, a piston 513 connected with a one-way valve is slidably connected in the sliding cylinder 512, the piston 513 is connected with a suction pipe 514, the suction pipe 514 is communicated with a lower oil tank 7, the right end of the sliding cylinder 512 is communicated with a U-shaped pipe 515, and oil is pressed into the sliding cylinder 512 and prevented from flowing backwards by arranging the piston 513 with the one-way valve.

The reciprocating plate structure 52 comprises a pressing plate 521, the pressing plate 521 is connected with a threaded sleeve 522, the threaded sleeve 522 is sleeved on an output shaft 3, the output shaft 3 is provided with a threaded section 523, the threaded section 523 is a crossed bidirectional thread, and the threaded section 523 is a crossed bidirectional thread, so that the output shaft 3 drives the threaded sleeve 522 to move left and right, the pressing plate 521 is driven to move left and right, the sliding cylinder 512 is driven to move left and right, and oil liquid is sucked.

The oil filtering structure 53 comprises a box body 531, a filter element 532 and a one-way valve pipe 533, one end of the U-shaped pipe 515 is communicated with the sliding cylinder 512, the other end of the U-shaped pipe is communicated with the box body 531, and the filter element 532 is arranged to filter oil impurities, so that the abrasion to the gear set is reduced; by arranging the check valve pipe 533, the filtered oil is prevented from flowing reversely.

The working principle of the invention is as follows: after the input shaft 2 is started, the output shaft 3 rotates, the output shaft 3 drives the surface thread section 523 to rotate, so as to drive the thread sleeve 522 to move, so as to drive the pressing plate 521 to move left and right, so as to drive the sliding cylinder 512 to move left and right, so as to realize the suction of oil, the piston 513 with the one-way valve is slidably connected with the sliding cylinder 512, the oil is pressed into the sliding cylinder 512 in a one-way circulation manner by arranging the piston 513 with the one-way valve, so as to prevent the counter flow, when the oil enters the box body 531 through the U-shaped pipe 515, impurities are filtered through the filter element 532, the filtered oil enters the speed change gear area 8 through the one-way valve pipe 533, so as to reduce the impurities in the oil, reduce the abrasion of the gear set, prolong the service life, the left aspirator 4 and the right aspirator 5 are self-driven by the input shaft 2 and the output shaft 3 on both sides, no additional power source is required, the left aspirator 4 sucks the upper half oil in the speed change gear area 8 through the upper oil groove 6, the oil is circularly filtered from the left end and then is injected into the speed change gear area 8 again to form a circular filter oil; the right aspirator 5 sucks the lower half part of oil in the speed change gear area 8 through the lower oil groove 7, and the oil is circularly filtered from the right end and then is re-injected into the speed change gear area 8 to form another circularly filtered oil; the circulating oil filtering efficiency of the left suction device 4 and the right suction device 5 is influenced by the rotating speed of the input shaft 2 and the rotating speed of the output shaft 3, the upper circulating flow speed and the lower circulating flow speed of the speed change gear area 8 are different, the area with the slow flow speed flows to the area with the fast flow speed, a third circulation is formed, and the filtering efficiency is further improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The gearbox body comprises a shell (1), and is characterized in that the shell (1) is connected with an input shaft (2) and an output shaft (3) from left to right, and the input shaft (2) and the output shaft (3) are respectively connected with a left aspirator (4) and a right aspirator (5).

2. The gearbox housing as claimed in claim 1, characterized in that the housing (1) is internally provided with an upper oil groove (6) and a lower oil groove (7) on the upper and lower sides, and the upper oil groove (6) and the lower oil groove (7) are respectively communicated with the left aspirator (4) and the right aspirator (5).

3. A gearbox housing according to claim 1, characterised in that the right aspirator (5) comprises a piston assembly (51), which piston assembly (51) is connected to a reciprocating plate structure (52), which piston assembly (51) is connected to an oil filter structure (53).

4. The gearbox housing as claimed in claim 3, wherein the piston assembly (51) comprises a circular hole (511), a sliding cylinder (512) is slidably connected in the circular hole (511), a piston (513) connected with a one-way valve is slidably connected in the sliding cylinder (512), the piston (513) is connected with a suction pipe (514), the suction pipe (514) is communicated with the lower oil groove (7), and the right end of the sliding cylinder (512) is communicated with a U-shaped pipe (515).

5. The gearbox casing according to claim 3, characterized in that the reciprocating plate structure (52) comprises a pressure plate (521), the pressure plate (521) is connected with a threaded sleeve (522), the threaded sleeve (522) is sleeved on the output shaft (3), the output shaft (3) is provided with a threaded section (523), and the threaded section (523) is a cross bidirectional thread.

6. A gearbox housing as claimed in claim 3, characterised in that said oil filter arrangement (53) comprises a housing (531), said housing (531) having a filter element (532) built therein, said housing (531) being connected at its left end to a one-way valve tube (533), said one-way valve tube (533) communicating with the range gear region (8).

7. A gearbox housing according to claim 1, characterised in that the centre of the housing (1) is the region of the gear teeth (8).