Multi-gear transmission of planetary gear structure

Abstract

The utility model discloses a multi-gear transmission of a planetary gear structure, which comprises a transmission main shell and is characterized in that an oil pan is arranged at the bottom end of the transmission main shell, the oil pan is semi-elliptical, an oil outlet is arranged at the bottom end of the oil pan, a spring hole groove is arranged above the oil outlet, and a spring can be placed in the spring hole groove. A spring is installed in the spring hole groove, an oil outlet cover is installed on the top of the spring, and the oil outlet cover is fitted above the oil outlet through the spring so that the oil pan can be sealed. The oil outlet cover is designed, the oil outlet cover is connected to the spring hole groove above the oil outlet through the spring, a worker can apply pressure to the oil outlet cover in the using process, then the oil outlet cover can move upwards, the spring is connected to the bottom end of the oil outlet cover in the period, and therefore the oil outlet cover is prevented from being disengaged, and when the worker does not apply pressure, the oil outlet cover is prevented from being disengaged. And the spring rebounds to fit the oil outlet cover with the oil outlet, so that the whole structure is simple, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-speed transmissions, in particular to a multi-speed transmission with a planetary gear structure. Background Art

[0002] The powertrain of a motor vehicle consists of an engine, a multi-speed transmission and a differential or final drive. A multi-speed transmission increases the overall operating range of the vehicle by allowing the engine to be operated multiple times within its torque range. The number of forward speed ratios (forward gears) available in the transmission determines the number of times the engine torque range is repeated. A small number of forward gears will limit the overall speed range of the vehicle and therefore require a relatively large engine to produce a wide speed and torque range.

[0003] The existing multi-speed transmission with a planetary gear structure requires the oil body inside the oil pan cover to be replaced, but the oil pan requires the bottom cover to seal the oil outlet, but the two are connected by bolts, which takes a long time and leads to low working efficiency.

[0004] Therefore, it is necessary to provide a multi-speed transmission with a planetary gear structure to solve the above technical problems. Utility Model Content

[0005] In order to overcome the structural defects of the prior art mentioned above, the utility model provides a multi-speed transmission with a planetary gear structure.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a multi-speed transmission with a planetary gear structure, including a transmission main housing, characterized in that an oil pan is provided at the bottom end of the transmission main housing, the oil pan is semi-elliptical, an oil outlet is provided at the bottom end of the oil pan, a spring hole groove is provided above the oil outlet, the spring hole groove can place a spring therein, a spring is installed in the spring hole groove, an oil outlet cover is installed on the top of the spring, and the oil outlet cover is cut above the oil outlet through a spring to seal the oil pan.

[0007] Preferably, there are four spring hole slots, and the spring hole slots are located at the four corners of the oil outlet, and the spring is connected to the four corners of the bottom of the oil outlet cover.

[0008] Preferably, the oil outlet cover is a rectangular flat plate, a circle of elastic gasket is installed in the middle of the oil outlet cover, a rectangular groove is provided above the oil outlet, a circle of circular groove is provided in the middle of the rectangular groove, and the elastic gasket can be placed in the circular groove, thereby fixing the oil outlet cover.

[0009] Preferably, an oil inlet is installed on the side surface of the oil pan, and the oil inlet is normally sealed.

[0010] Preferably, an extended housing is installed at the right end of the transmission main housing, and the transmission main housing and the bottom end of the extended housing are bolted to the oil pan.

[0011] Preferably, a front bearing cover is provided at the left end of the transmission main housing, an input shaft is provided inside the front bearing cover, a shift lever is provided above the transmission main housing, and an output shaft is provided inside the extended housing.

[0012] Compared with the prior art, the utility model can achieve the following beneficial effects: the oil outlet at the bottom of the utility model is sealed by an oil outlet cover, and then the oil outlet cover is connected to the spring hole groove above the oil outlet through a spring, and then the oil outlet cover is also fixed in the rectangular groove through an elastic gasket. When in use, the staff can apply pressure to the oil outlet cover, and then the oil outlet cover will move upward. During this period, the spring is connected to the bottom end of the oil outlet cover, thereby preventing the oil outlet cover from detaching. When the staff cancels the pressure, the spring will rebound to make the oil outlet cover fit the oil outlet. The overall structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an overall schematic diagram of the utility model;

[0014] Figure 2 For this utility model Figure 1 Schematic diagram at A in the middle;

[0015] Figure 3 It is a partial schematic diagram of the oil pan of the utility model;

[0016] Among them: 1. Transmission main housing; 2. Oil pan; 3. Oil outlet; 4. Spring hole slot; 5. Spring; 6. Oil outlet cap; 7. Elastic washer; 8. Rectangular groove; 9. Circular groove; 10. Oil inlet; 11. Extended housing; 12. Front bearing cover; 13. Input shaft; 14. Shift lever; 15. Output shaft; DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0018] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0019] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0020] Embodiment:

[0021] As shown in the figure, the utility model provides a multi-speed transmission with a planetary gear structure, including a transmission main housing 1, characterized in that: an oil pan 2 is provided at the bottom end of the transmission main housing 1, the oil pan 2 is semi-elliptical, an oil outlet 3 is provided at the bottom end of the oil pan 2, a spring hole groove 4 is provided above the oil outlet 3, the spring hole groove 4 can place a spring 5 therein, a spring 5 is installed in the spring hole groove 4, an oil outlet cover 6 is installed on the top of the spring 5, the oil outlet cover 6 is cut above the oil outlet 3 through the spring 5, so that the oil pan 2 is sealed; wherein the oil outlet cover 6 is normally sealed at the oil outlet 3, and when the oil outlet cover 6 is subjected to external pressure, it will move upward, thereby generating a gap so that the oil body can flow into the oil outlet 3 and the oil body is discharged outward.

[0022] In this embodiment, specifically, there are four spring hole slots 4, and the spring hole slots 4 are located at the four corners of the oil outlet 3, and the spring 5 is connected to the four corners of the bottom of the oil outlet cover 6; wherein the spring 5 is connected to the four corners of the oil outlet cover 6 so that the force is evenly applied thereto.

[0023] In the present embodiment, specifically, the oil outlet cover 6 is a rectangular flat plate, a circle of elastic gasket 7 is installed in the middle of the oil outlet cover 6, a rectangular groove 8 is provided above the oil outlet 3, a circle of circular groove 9 is provided in the middle of the rectangular groove 8, and the elastic gasket 7 can be placed in the circular groove 9, so as to fix the oil outlet cover 6; wherein the elastic gasket 7 can fix the oil outlet cover 6 in the rectangular groove 8, and then when the oil outlet cover 6 is under pressure due to the elastic gasket 7, the oil outlet cover 6 will move upward.

[0024] In this embodiment, specifically, an oil inlet 10 is installed on the side surface of the oil pan 2, and the oil inlet 10 is normally in a sealed state.

[0025] In this embodiment, specifically, an extended housing 11 is installed at the right end of the transmission main housing 1 , and the transmission main housing 1 and the bottom end of the extended housing 11 are bolted to the oil pan 2 .

[0026] In this embodiment, specifically, a front bearing cover 12 is provided at the left end of the transmission main housing 1, an input shaft 13 is provided inside the front bearing cover 12, a shift lever 14 is provided above the transmission main housing 1, and an output shaft 15 is provided inside the extended housing 11.

[0027] Working principle: During use, the staff can apply force to the oil outlet cover 6 to move the oil outlet cover 6 upward, thereby creating a gap so that the oil can flow into the oil outlet 3 and be discharged outward. When the staff releases the pressure, the spring 5 will rebound to make the oil outlet cover 6 fit the oil outlet 3.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-speed transmission with a planetary gear structure, comprising a transmission main housing (1), characterized in that: An oil pan (2) is provided at the bottom end of the transmission main housing (1), the oil pan (2) is semi-elliptical, an oil outlet (3) is provided at the bottom end of the oil pan (2), a spring hole groove (4) is provided above the oil outlet (3), the spring hole groove (4) can accommodate a spring (5) therein, a spring (5) is installed in the spring hole groove (4), an oil outlet cover (6) is installed on the top of the spring (5), the oil outlet cover (6) is cut through the spring (5) above the oil outlet (3), so that the oil pan (2) is sealed.

2. A multi-speed transmission with a planetary gear structure according to claim 1, characterized in that: There are four spring hole slots (4), and the spring hole slots (4) are located at the four corners of the oil outlet (3), and the spring (5) is connected to the four corners of the bottom of the oil outlet cover (6).

3. A multi-speed transmission with a planetary gear structure according to claim 2, characterized in that: The oil outlet cover (6) is a rectangular flat plate, a circle of elastic gaskets (7) are installed in the middle of the oil outlet cover (6), a rectangular groove (8) is provided above the oil outlet (3), a circle of circular grooves (9) is provided in the middle of the rectangular groove (8), and the elastic gasket (7) can be placed in the circular groove (9), so as to fix the oil outlet cover (6).

4. A multi-speed transmission with a planetary gear structure according to claim 1, characterized in that: An oil inlet (10) is installed on the side surface of the oil pan (2), and the oil inlet (10) is normally sealed.

5. The multi-speed transmission with a planetary gear structure according to claim 1, characterized in that: An extended housing (11) is installed at the right end of the transmission main housing (1), and the transmission main housing (1) and the bottom ends of the extended housing (11) are bolted to the oil pan (2).

6. A multi-speed transmission with a planetary gear structure according to claim 5, characterized in that: A front bearing cover (12) is provided at the left end of the transmission main housing (1), an input shaft (13) is provided inside the front bearing cover (12), a shift lever (14) is provided above the transmission main housing (1), and an output shaft (15) is provided inside the extended housing (11).

Images