CN204387284U - Case of transmission, speed changer and vehicle - Google Patents

Abstract

The utility model provides a kind of case of transmission, speed changer and vehicle, wherein case of transmission is provided with the first mounting hole for installing the first transmission shaft, the inwall of described case of transmission is provided with the oil trap for collecting fluid, described oil trap is communicated with described first mounting hole.The case of transmission that the utility model provides, speed changer and vehicle, collect lubricant oil by arranging oil trap, the fluid in oil trap is input in the first mounting hole, and the component be installed in the first mounting hole can be made to obtain sufficient lubrication.

Description

Transmission housing, transmission and vehicle

technical field

The utility model relates to the lubrication technology of a transmission, in particular to a transmission casing, a transmission and a vehicle.

Background technique

During the operation of the transmission, the parts on the transmission shaft will generate a lot of heat due to friction due to long-term work. If they are not sufficiently lubricated, the parts will be worn and damaged, which will affect the normal operation of the transmission. Therefore, the transmission needs to increase the lubricating structure to fully lubricate the components in the transmission, such as bearings, gears and gear shafts.

At present, lubricating oil is generally arranged in the transmission housing, and the lubrication of each component is realized by splashing the lubricating oil through the rotation of the gears in the transmission housing. However, due to the limited lubricating oil splashed, the components in the transmission housing cannot be lubricated sufficiently, especially for the installation position of the transmission shaft on the transmission housing, the lubricating oil entering this position is less, resulting in The gear shafts and bearings in the position are not sufficiently lubricated. If things go on like this, it will cause wear of the gear shafts, bearings and other components, which will affect the service life of the transmission.

Utility model content

In view of this, the utility model aims to provide a transmission housing, a transmission and a vehicle to solve the problem that the components at the installation position of the drive shaft on the transmission housing in the transmission cannot be sufficiently lubricated.

In order to achieve the above object, the technical solution of the utility model is achieved in that:

A transmission casing, the transmission casing is provided with a first mounting hole for installing a first transmission shaft, and the inner wall of the transmission casing is provided with an oil collection groove for collecting oil, the oil collection groove and the The above-mentioned first installation hole communicates.

Further, the transmission housing is also provided with a second installation hole for installing the second transmission shaft, and the oil collection groove communicates with the second installation hole.

Further, the walls of the first mounting hole and the second mounting hole respectively protrude from the inner wall of the transmission housing, and an oil collecting hole is arranged between the first mounting hole and the second mounting hole. component, the oil collecting groove is an upward-opening cavity formed between the oil collecting component and the outer walls of the first mounting hole and the second mounting hole;

The oil collecting component includes a polygonal plate with a certain distance from the inner wall of the transmission housing and a rectangular plate arranged along the inner wall of the first installation hole, the polygonal plate and the rectangular plate are formed as One.

Further, the walls of the first mounting hole and the second mounting hole are respectively provided with lubricating holes communicating with the oil collecting tank.

Further, the inner wall of the transmission housing is provided with an oil baffle plate extending upward along the side wall of the oil collecting tank.

Further, an oil guiding member is arranged in the first installation hole, and an oil guiding nozzle is arranged on the oil guiding member for extending into the lubricating oil passage provided on the first transmission shaft.

Further, the first mounting hole is a blind hole, and the oil guiding member includes a cylinder serving as an oil guide nozzle and a seat extending radially outward from one end of the cylinder, the seat and the There is a gap between the bottoms of the blind holes.

Compared with the prior art, the transmission casing provided by the utility model is provided with an oil collecting groove on the inner wall of the casing, and the oil collecting groove is connected with the first mounting hole where the first transmission shaft is installed, so that the oil collected by the oil collecting groove It can enter into the first installation hole to lubricate the components installed in the first installation hole and improve its lubricating effect.

Another object of the present utility model is to provide a transmission, which includes the above-mentioned transmission housing and a transmission shaft installed in the first mounting hole of the transmission housing.

Further, an axially extending lubricating oil passage is provided inside the first transmission shaft, and an oil hole communicating with the lubricating oil passage is provided on the surface of the first transmission shaft;

The first installation hole of the transmission housing is provided with an oil guide, and the oil guide is provided with an oil guide nozzle extending into the lubricating oil passage, and the oil entering the first installation hole It can enter the lubricating oil passage along the oil guide nozzle.

Another object of the present utility model is to provide a vehicle, which is provided with the above-mentioned transmission.

The transmission provided by the utility model and the above-mentioned transmission housing of the vehicle have the same advantages as compared with the prior art, and will not be repeated here.

Other features and advantages of the present utility model will be described in detail in the following specific embodiments.

Description of drawings

The accompanying drawings constituting a part of the utility model are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a structural schematic diagram of a part of the transmission housing provided by the utility model;

Fig. 2 is a partial structural schematic view of a partial housing of the transmission housing viewed from another angle;

Fig. 3 is a partial structural schematic view of a partial housing of the transmission housing viewed from another angle.

Explanation of reference signs:

1-the first mounting hole; 2-the second mounting hole;

3- Oil collecting tank; 4- Oil collecting parts;

41-polygonal plate; 42-rectangular plate;

5-oil baffle; 6-oil guide;

61-oil guide nozzle; 62-seat body;

7-the first lubrication hole; 8-the second lubrication hole.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The utility model provides a transmission housing, the transmission housing is provided with a first installation hole 1 for installing the first transmission shaft, and the inner wall of the transmission housing is also provided with an oil collection tank 3 for collecting oil. The oil collecting tank 3 communicates with the first mounting hole 1 , and the oil in the oil collecting tank 3 can enter into the first mounting hole 1 .

In the utility model, an oil collecting groove 3 is arranged on the inner wall of the transmission housing, and the lubricating oil splashes into the oil collecting groove 3 due to the operation of gears and other components in the transmission housing, and the lubricating oil collected in the oil collecting groove 3 flows into the first installation hole 1, so that the bearings in the first mounting hole 1, the sealing member and the part where the transmission shaft is installed in the first mounting hole 1 can be lubricated, thereby improving the lubrication effect of the parts here.

The technical solution of the utility model is described below in conjunction with the accompanying drawings through specific embodiments.

As shown in Figure 1, the inner wall of the transmission housing is provided with an oil sump 3 communicating with the first mounting hole 1 (the housing shown in Figure 1 is a part of the transmission housing that can be installed with a drive shaft), so as to Lubricating oil is delivered to the first installation hole 1 through the oil sump 3 . Wherein, the oil sump 3 can be arranged at any suitable position on the inner wall of the transmission housing, as long as the oil splashed in the transmission housing can be collected and the collected oil can flow into the first installation hole 1 .

In this embodiment, the transmission housing is also provided with a second installation hole 2 for installing the second transmission shaft. Preferably, the oil collection tank 3 communicates with the first installation hole 1 and the second installation hole 2, so that the oil collection tank 3 The oil in the oil can not only enter the first installation hole 1, but also enter the second installation hole 2, so as to lubricate the components installed in the first installation hole 1 and the second installation hole 2 at the same time.

To facilitate communication with the first installation hole 1 and the second installation hole 2 at the same time, in this embodiment, the oil collecting tank 3 is arranged between the first installation hole 1 and the second installation hole 2 . The hole walls of the first mounting hole 1 and the second mounting hole 2 respectively protrude from the inner wall of the transmission housing. Preferably, an oil collecting part 4 can be arranged between the first mounting hole 1 and the second mounting hole 2 to collect oil. The cavity with an upward opening formed between the component 4 and the outer walls of the first installation hole 1 and the second installation hole 2 can be used as the oil collection groove 3 . More preferably, the walls of the adjacent positions of the first installation hole 1 and the second installation hole 2 are integrated, and the upper position between the two installation holes forms a space similar to an angle, as shown in Figures 1-3, the integrated The oil component 4 may specifically include a polygonal plate body 41, which is located outside the space and has a certain distance from the inner wall of the housing to form the oil collection groove 3, and the edges of the polygonal plate body 41 respectively extend to the first installation hole 1 and the On the hole wall of the second mounting hole 2, for convenience to be fixed with the hole walls of the first mounting hole 1 and the second mounting hole 2, the edge of the polygonal plate body 41 can be bent, and the bent part is fixed on the hole wall. In this embodiment, preferably, the oil collecting part 4 further includes a rectangular plate body 42 arranged along the inner wall of the first installation hole 1, and the polygonal plate body 41 and the rectangular plate body 42 are integrally formed, so that the oil in the oil collecting tank 3 It can not only enter into the first installation hole 1 through the first lubricating hole 7 , but also enter into the first installation hole 1 along the rectangular plate body 42 . Wherein, the oil collecting part 4 can be formed by injection molding or stamping.

Since the oil collecting groove 3 is formed directly by means of the walls of the first mounting hole 1 and the second mounting hole 2, as shown in Figure 2, the first lubricating hole 7 can be directly provided on the wall of the first mounting hole 1, A second lubricating hole 8 is provided on the hole wall of the second mounting hole 2, and the oil collecting tank 3 communicates with the first mounting hole 1 and the first mounting hole 2 through the first lubricating hole 7 and the first lubricating hole 8, respectively.

In addition to the above-mentioned embodiments, the oil collection tank 3 can also be formed in other appropriate shapes and structures, and can also communicate with the first installation hole 1 and the second installation hole 2 in other appropriate forms. For example, the oil sump 3 can also be an open groove with an upward or oblique upward opening formed independently on the inner wall of the transmission housing. The independent meaning here means that the oil sump 3 does not rely on the first mounting hole 1 and the second mounting hole. The hole wall of the mounting hole 2 is formed, and an oil passage can be respectively set between the oil collecting groove 3 and the two mounting holes, so that the oil in the oil collecting groove 3 can be introduced into the two mounting holes through the oil passage.

In order to allow the splashed lubricating oil to enter the oil sump 3 more, an oil baffle plate 5 extending upward along the side wall of the oil sump 3 is also provided on the inner wall of the transmission housing. After the oil plate 5 can flow into the oil sump 3 along the oil baffle plate 5, so that the oil sump 3 collects as much oil as possible. Preferably, the oil deflector 5 is integrally formed with the transmission housing.

In this embodiment, as shown in FIG. 1 and FIG. 3 , an oil guiding member 6 is further arranged in the first installation hole 1 , and an oil guiding nozzle 61 is arranged on the oil guiding member 6 . In order to enable the oil collected in the oil sump 3 to lubricate the parts installed on the first transmission shaft, a longitudinally extending lubricating oil passage can be provided on the first transmission shaft, and on the surface of the first transmission shaft The oil hole communicated with the lubricating oil passage, when the first transmission shaft is installed in the first installation hole 1, the oil guide nozzle 61 of the oil guiding member 6 extends into the lubricating oil passage on the first transmission shaft, so as to displace the first transmission shaft The oil in a mounting hole 1 is introduced into the lubricating oil passage, so that during the rotation of the first transmission shaft, the oil in the lubricating oil passage can be thrown out through the oil hole to lubricate the lubricating oil installed on the first transmission shaft. Gears and other components.

Preferably, the first installation hole 1 is set as a blind hole, and the oil guide member 6 includes a cylinder as an oil guide nozzle 61 and a seat body 62 extending radially outward from one end of the cylinder body, and the seat body 62 is located in the blind hole. There is a gap between the bottom of the hole and the bottom of the blind hole. The oil in the first mounting hole 1 can enter the gap, and then enter the lubricating oil passage of the first transmission shaft along the oil guide nozzle 61 from the gap.

In this embodiment, the oil collecting part 4 can be integrated with the oil guiding part 6. As shown in FIG. The oil can be introduced to the base 62 of the oil guiding member 6 along the rectangular plate body 42 , which is beneficial for the oil to enter the oil guiding nozzle 61 . Certainly, the oil guiding member 6 and the oil collecting member 4 are not limited to being integrally formed, and may also be formed separately.

On the other hand, the utility model also provides a transmission, which includes the above-mentioned transmission housing and the first transmission shaft installed in the first mounting hole 1 of the transmission housing, by using the above-mentioned transmission The housing, the bearings in the first mounting hole 1 and the first drive shaft can be sufficiently lubricated.

Among them, the first transmission shaft installed in the first installation hole 1 is provided with a longitudinally extending lubricating oil passage and an oil hole communicating with the lubricating oil passage on the surface, through the transmission housing provided on the transmission housing as described above The oil guide 6 can guide the oil in the first installation hole 1 into the lubricating oil passage of the first transmission shaft, and the oil is thrown out from the oil hole communicating with the lubricating oil passage to Lubricate the gears and other parts on the machine. By setting in this way, the oil collected in the oil sump 1 can not only lubricate the components installed in the first mounting hole 1, but also lubricate the components installed on the first drive shaft, thereby greatly improving the performance of the gearbox. The lubrication effect of each component.

In addition, the oil liquid thrown out from the oil hole on the first transmission shaft is splashed and thrown on the inner wall of the transmission housing along with the rotation of the transmission shaft, and the oil liquid flows down along the inner wall into the oil sump 3, and Enter the lubricating oil channel of the first installation hole 1 and the first transmission shaft again. With such a cycle, the components in the transmission casing can get a better lubrication effect to ensure the normal operation of the transmission.

The utility model also provides a vehicle, which is provided with the above-mentioned transmission.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (10)

1. a case of transmission, described case of transmission is provided with the first mounting hole (1) for installing the first transmission shaft, it is characterized in that, the inwall of described case of transmission is provided with the oil trap (3) for collecting fluid, described oil trap (3) is communicated with described first mounting hole (1).

2. case of transmission according to claim 1, it is characterized in that, described case of transmission is also provided with the second mounting hole (2) for installing second driving shaft, described oil trap (3) is communicated with described second mounting hole (2).

3. case of transmission according to claim 2, it is characterized in that, the hole wall of described first mounting hole (1) and described second mounting hole (2) protrudes from the inwall of described case of transmission respectively, oil-collecting parts (4) are provided with, the opening up cavity of described oil trap (3) for being formed between described oil-collecting parts (4) and the outer wall of described first mounting hole (1) and described second mounting hole (2) between described first mounting hole (1) and described second mounting hole (2);

The rectangular plate body (42) that described oil-collecting parts (4) comprise between described case of transmission inwall tool polygonal at regular intervals plate body (41) and arrange along described first mounting hole (1) inwall, described polygonal plate body (41) and described rectangular plate body (42) are molded as one.

4. case of transmission according to claim 3, is characterized in that, the hole wall of described first mounting hole (1) and described second mounting hole (2) is respectively arranged with the lubrication hole be communicated with described oil trap (3).

5. case of transmission according to claim 1, is characterized in that, the inwall of described case of transmission is provided with the oil baffle (5) that the sidewall along described oil trap (3) upwards extends.

6. according to the case of transmission in claim 1-5 described in any one, it is characterized in that, being provided with oil-deflecting element (6) in described first mounting hole (1), described oil-deflecting element (6) being provided with the Oil Guide mouth (61) for stretching in the oil leab be arranged on described first transmission shaft.

7. case of transmission according to claim 6, it is characterized in that, described first mounting hole (1) is blind hole, described oil-deflecting element (6) comprise as Oil Guide mouth (61) cylindrical shell and extend radially outwardly from one end of described cylindrical shell pedestal (62) formed, between described pedestal (62) and the bottom of described blind hole, there is gap.

8. a speed changer, is characterized in that, described speed changer comprises the case of transmission in claim 1-5 described in any one and is installed on the first transmission shaft in described first mounting hole (1) of described case of transmission.

9. speed changer according to claim 8, is characterized in that, is provided with axially extended oil leab in described first transmission shaft, the surface of described first transmission shaft is provided with the oilhole be communicated with described oil leab;

Oil-deflecting element (6) is provided with in described first mounting hole (1) of described case of transmission, described oil-deflecting element (6) is provided with the Oil Guide mouth (61) stretched in described oil leab, the fluid entering into described first mounting hole (1) can enter into described oil leab along described Oil Guide mouth (61).

10. a vehicle, is characterized in that, described vehicle is provided with the speed changer described in claim 8 or 9.