CN217355493U

CN217355493U - Gearbox with lubricating function

Info

Publication number: CN217355493U
Application number: CN202220554099.XU
Authority: CN
Inventors: 林玲龙
Original assignee: Zhejiang Super Intelligent Control Technology Co ltd
Current assignee: Zhejiang Super Intelligent Control Technology Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-09-02
Anticipated expiration: 2032-03-14

Abstract

The utility model provides a gearbox with lubricating function belongs to gearbox technical field. It has solved the lubricated not good problem of effect of gearbox. The gearbox with the lubricating function comprises a main box body, a gear shifting unit and a gear transmission assembly arranged in the main box body, wherein the gear transmission assembly consists of a main shaft, an auxiliary shaft, a plurality of transmission gears and a plurality of synchronizers, the gear shifting unit consists of a plurality of gear shifting rods and a plurality of shifting fork main bodies, each shifting fork main body consists of a connecting sleeve and a fork part, each connecting sleeve is sleeved on the corresponding gear shifting rod, the connecting sleeves are fixedly connected with the gear shifting rods through two symmetrically arranged pin shafts, the pin shafts radially penetrate through the connecting sleeves and the gear shifting rods, oil storage cavities which are inwards in the axial direction and used for storing lubricating oil are formed in the pin shafts, the lower ends of the pin shafts, which are positioned outside the connecting sleeves, are provided with detection units, and the upper ends of the pin shafts are provided with oil injection units which are fixedly connected with the pin shafts and used for injecting oil. The utility model has the advantages of good lubrication effect.

Description

Gearbox with lubricating function

Technical Field

The utility model belongs to the technical field of the gearbox, a gearbox with lubricating function is related to.

Background

Gearboxes, also known as transmissions, are automotive parts used to vary the speed and torque from an engine and to change the transmission ratio between an output shaft and an input shaft, either fixed or stepped. The gear transmission assembly is an indispensable component of the gearbox, and the gearbox is relatively high in gear rotating speed in the operation process and needs to be in a long-time operation state, so that the wear is large, and the service life of the gearbox is shortened if the gearbox is not lubricated.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a gearbox with lubricating function and reducing wear.

The purpose of the utility model can be realized by the following technical proposal: a gearbox with lubricating function comprises a main box body, a gear shifting unit and a gear transmission assembly arranged in the main box body, wherein the gear transmission assembly comprises a main shaft, an auxiliary shaft, a plurality of transmission gears and a plurality of synchronizers, the gear shifting unit comprises a plurality of gear shifting rods and a plurality of fork pulling main bodies, and the gear shifting unit is characterized in that the fork pulling main bodies comprise connecting sleeves and fork parts integrally arranged with the connecting sleeves, the connecting sleeves are sleeved on the corresponding gear shifting rods, the connecting sleeves and the gear shifting rods are fixedly connected through two symmetrically arranged pin shafts, the two pin shafts are respectively positioned outside two sides of the fork parts, the pin shafts radially penetrate through the connecting sleeves and the gear shifting rods, the pin shafts are respectively provided with an oil storage cavity which is inwards concave in the axial direction and is used for storing lubricating oil, the lower ends of the pin shafts positioned outside the connecting sleeves are provided with detection units which are fixedly connected with the pin shafts and are used for detecting the oil storage amount, and the upper end of each pin shaft is provided with an oil injection unit which is fixedly connected with the pin shaft and is used for injecting oil.

In the gearbox with the lubricating function, the lower end face of the pin shaft, which is positioned outside the connecting sleeve, is provided with an oil outlet which is communicated with the oil storage cavity and facilitates the overflow of grease, and the inner diameter of the oil outlet is gradually reduced from inside to outside.

In the gearbox with the lubricating function, the main box body is internally provided with a control box which is fixedly connected with the main box body and is used for controlling the running of the detection unit and the oiling unit.

In foretell gearbox with lubricating function, the detecting element constitute by test bar and installation shell, the test bar set up in the installation shell, and link firmly rather than mutually, outside the installation shell was stretched out to the one end of this test bar, round pin axle be provided with the outside bellying of axial on the periphery wall of tip down and make the intercommunication ring portion that oil storage chamber and outside are linked together, the installation shell set up on intercommunication ring portion and link firmly rather than mutually, above-mentioned test bar stretches into the oil storage intracavity through intercommunication ring portion.

In the gearbox with the lubricating function, the detection rod is connected with the control box through a power line, and a first installation rod which is fixedly connected with the main box and is used for winding and installing the power line is arranged in the main box.

In the gearbox with the lubricating function, the oil injection unit consists of an oil injection pump and an oil pipe, the oil injection pump is arranged outside the main box body, two ends of the oil pipe are respectively connected with the oil injection pump and the pin shaft, and a second installation rod which is fixedly connected with the main box body and is used for winding and installing the oil pipe is arranged in the main box body.

In the gearbox with the lubricating function, the first mounting rod and the second mounting rod are respectively positioned outside the lower end and the upper end of the gear shifting rod.

Compared with the prior art, this gearbox with lubricating function has following advantage:

1. the epaxial axial inwards concave shape of all seting up of round pin just is used for saving the oil storage chamber of lubricating oil, the round pin is located the outer lower extreme of adapter sleeve and is provided with rather than linking firmly mutually and being used for detecting the detecting element of oil storage volume, the upper end of round pin axle all is provided with rather than linking firmly mutually and being used for the oiling unit of oiling, and the setting of above-mentioned structure can drop lubrication down to gear shifting lever initial position department, when gear shifting lever carries out to shifting simultaneously, can lubricate other positions to reduce wearing and tearing.

Drawings

Fig. 1 is a partially disassembled schematic structure of a transmission case with a lubricating function.

Fig. 2 is a partially sectional schematic structural view of a gear assembly in the transmission with a lubricating function.

Fig. 3 is an enlarged view of circle a of fig. 2 in the transmission with a lubricating function of the present invention.

In the figure, 1, a main box body; 2. connecting sleeves; 3. a fork portion; 4. a pin shaft; 5. an oil storage chamber; 6. an oil outlet; 7. a control box; 8. a detection lever; 9. mounting a shell; 10. a communicating ring portion; 11. mounting a first rod; 12. an oil injection pump; 13. an oil pipe; 14. mounting a second rod; 15. a gear shift lever.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the transmission case with lubricating function comprises a main case 1, a gear shifting unit and a gear transmission assembly arranged in the main case 1, wherein the gear transmission assembly comprises a main shaft, an auxiliary shaft, a plurality of transmission gears and a plurality of synchronizers, the gear shifting unit comprises a plurality of gear shifting rods 15 and a plurality of shifting fork main bodies connected with the corresponding synchronizers, the number of the shifting fork main bodies is equal to that of the synchronizers, the shifting fork main bodies are arranged on the corresponding gear shifting rods 15, each shifting fork main body comprises a connecting sleeve 2 and a fork part 3 integrally arranged with the connecting sleeve 2, the connecting sleeve 2 is sleeved on the corresponding gear shifting rod 15, the connecting sleeve 2 is fixedly connected with the gear shifting rods 15 through two symmetrically arranged pin shafts 4, the two pin shafts 4 are respectively arranged at two sides of the fork part 3, the pin shafts 4 radially penetrate through the connecting sleeve 2 and the gear shifting rods 15, the lower end of the pin shaft 4 extends out of the connecting sleeve 2, the pin shaft 4 is provided with an oil storage cavity 5 which is inwards concave in the axial direction and used for storing lubricating oil, the lower end of the pin shaft 4, which is positioned outside the connecting sleeve 2, is provided with a detection unit which is fixedly connected with the pin shaft 4 and used for detecting the oil storage amount, the upper end of the pin shaft 4 is provided with an oil injection unit which is fixedly connected with the pin shaft 4 and used for injecting oil, the detection unit consists of a detection rod 8 and a mounting shell 9, the detection rod 8 is arranged in the mounting shell 9 and fixedly connected with the mounting shell 9, one end of the detection rod 8 extends out of the mounting shell 9, the peripheral wall of the lower end part of the pin shaft 4, which is positioned outside the connecting sleeve 2, is provided with a communicating ring part 10 which protrudes outwards in the axial direction and enables the oil storage cavity 5 to be communicated with the outside, the mounting shell 9 is arranged on the communicating ring part 10 and fixedly connected with the communicating ring part, the detection rod 8 extends into the oil storage cavity 5 through the communicating ring part 10, and the oil injection unit consists of an oil injection pump 12 and an oil pipe 13, the oil injection pump 12 is arranged outside the main box body 1 and is connected with the main box body 1 through a connecting plate seat, two ends of the oil pipe 13 are respectively connected with the oil injection pump 12 and the upper end of the pin shaft 4, and the oil pipe 13 is fixedly connected with the oil injection pump 12 and the pin shaft 4 through a joint, a through hole for the oil supply pipe 13 to penetrate is arranged on the main box body 1, a connecting ring sleeve is arranged at the through hole of the main box body 1, a second mounting rod 14 which is fixedly connected with the main box body 1 and is used for winding and mounting the oil pipe 13 is arranged in the main box body 1, when the second mounting rod 14 enables the gear shifting rod 15 to move axially, the air pipe can be ensured not to contact with the gear shifting rod 15 and other parts when shaking slightly, when the detection rod 8 detects that the lubricating oil is insufficient, the information is sent to the control box 7, at the moment, the control box 7 controls the oil injection pump 12 to operate to inject the oil into the oil storage cavity 5 of the pin shaft 4, and the oil pipe 13 needs to be opened and closed under the control of an electromagnetic valve.

In a further detail, in order to prevent the lubricating oil from overflowing too fast, an oil outlet 6 which is communicated with the oil storage cavity 5 and facilitates the overflow of the grease is formed in the lower end face, located outside the connecting sleeve 2, of the pin shaft 4, and the inner diameter of the oil outlet 6 is gradually decreased from inside to outside.

As the preferred structure, be provided with in the main tank body 1 rather than linking firmly and being used for controlling the control box 7 that detection unit and oiling unit operated, this control box 7 also can set up outside the main tank body 1.

In order to prevent the power cord from being damaged, the detection rod 8 is connected with the control box 7 through the power cord, a mounting rod I11 which is fixedly connected with the main box body 1 and used for winding and mounting the power cord is arranged in the main box body 1, and when the gear shift lever 15 axially moves through the mounting rod I11, the power cord can be ensured not to touch components such as a transmission gear and the like when moving in a small amplitude.

Preferably, the first mounting lever 11 and the second mounting lever 14 are respectively located outside the lower and upper ends of the shift lever 15, and a gap is left between the first mounting lever 11 and the second mounting lever 14 and the shift lever 15.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A gearbox with a lubricating function comprises a main box body (1), a gear shifting unit and a gear transmission assembly arranged in the main box body (1), wherein the gear transmission assembly comprises a main shaft, an auxiliary shaft, a plurality of transmission gears and a plurality of synchronizers, the gear shifting unit comprises a plurality of shift levers (15) and a plurality of shift fork main bodies, and is characterized in that the shift fork main bodies comprise connecting sleeves (2) and fork parts (3) integrally arranged with the connecting sleeves (2), the connecting sleeves (2) are sleeved on the corresponding shift levers (15), the connecting sleeves (2) are fixedly connected with the shift levers (15) through two symmetrically arranged pin shafts (4), the two pin shafts (4) are respectively positioned outside two sides of the fork parts (3), the pin shafts (4) radially penetrate through the connecting sleeves (2) and the shift levers (15), all set up the inside concavity of axial and be used for saving the oil storage chamber (5) of lubricating oil on round pin axle (4), round pin axle (4) are located the outer lower extreme of adapter sleeve (2) and are provided with rather than linking firmly and being used for detecting the detecting element of oil storage volume mutually, the upper end of round pin axle (4) all is provided with rather than linking firmly and being used for the oiling unit of oiling mutually.

2. The gearbox with the lubricating function according to claim 1, wherein an oil outlet (6) which is communicated with the oil storage cavity (5) and facilitates oil to overflow is formed in the lower end face, located outside the connecting sleeve (2), of the pin shaft (4), and the inner diameter of the oil outlet (6) is gradually reduced from inside to outside.

3. The gearbox with lubricating function according to claim 1, characterized in that a control box (7) is arranged in the main box body (1) and is fixedly connected with the main box body and used for controlling the operation of the detection unit and the oil injection unit.

4. The gearbox with lubricating function according to claim 3, characterized in that the detection unit comprises a detection rod (8) and a mounting shell (9), the detection rod (8) is arranged in the mounting shell (9) and is fixedly connected with the mounting shell, one end of the detection rod (8) extends out of the mounting shell (9), the outer peripheral wall of the lower end portion of the pin shaft (4) is provided with a communication ring portion (10) which protrudes axially outwards and enables the oil storage cavity (5) to be communicated with the outside, the mounting shell (9) is arranged on the communication ring portion (10) and is fixedly connected with the communication ring portion, and the detection rod (8) extends into the oil storage cavity (5) through the communication ring portion (10).

5. The gearbox with lubricating function according to claim 4, characterized in that the detection rod (8) is connected with the control box (7) through a power line, and a first installation rod (11) which is fixedly connected with the main box body (1) and is used for winding and installing the power line is arranged in the main box body.

6. The gearbox with the lubricating function according to claim 5, wherein the oil filling unit is composed of an oil filling pump (12) and an oil pipe (13), the oil filling pump (12) is arranged outside the main box body (1), two ends of the oil pipe (13) are respectively connected with the oil filling pump (12) and the pin shaft (4), and a second mounting rod (14) which is fixedly connected with the main box body (1) and is used for winding the oil pipe (13) is arranged in the main box body.

7. A gearbox with lubrication function as claimed in claim 6, characterised in that said first mounting rod (11) and said second mounting rod (14) are located respectively outside the lower and upper ends of said gear shift lever (15).