Novel gearbox

Abstract

The utility model provides a novel gearbox, and belongs to the technical field of machinery. The gearbox shell solves the problem that the interior of an existing gearbox shell cannot be rapidly maintained and replaced. The novel gear box comprises a gear box shell and a motor connected to the interior of the gear box shell, a gear assembly is arranged in the gear box shell, an installation space for installing the gear assembly is formed in the gear box shell, and the motor is detachably installed on the gear box shell through a flange plate. The front end of the gearbox shell is provided with a first installation part for a transmission shaft of a motor to stretch in, the rear end of the gearbox shell is provided with a second installation part, the front end of the gearbox shell is provided with a third installation part, the first installation part, the second installation part and the third installation part are arranged in an off-axis mode, and the bottom of the gearbox shell is provided with a supporting part. And four connecting bases for connection are arranged at the lower end of the supporting part. The device has the advantage that the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of machinery and relates to a gear box, in particular to a new type of gear box. Background Art

[0002] The gearbox is a transmission, one of the most important parts in the automobile transmission system. It uses the speed reduction principle of gear transmission to change the speed of the car and the torque on the driving wheels of the car in a large range. There are speed transmission mechanism and speed control mechanism in the gearbox housing. The main function of the speed transmission mechanism is to change the value and direction of torque and speed; the main function of the control mechanism is to control the transmission mechanism to achieve the change of the transmission ratio of the transmission, that is, to achieve gear shifting to achieve speed and torque change. Therefore, the gearbox housing should have high hardness and facilitate the operation of its internal control mechanism. Summary of the invention

[0003] The purpose of the utility model is to provide a new gear box with reasonable design, simple structure and improved working efficiency in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a new type of gearbox, including a gearbox housing and a motor connected to the inside of the gearbox housing, a gear assembly is arranged inside the gearbox housing, and an installation space for installing the gear assembly is opened in the gearbox housing, characterized in that the motor is detachably mounted on the gearbox housing through a flange, a mounting portion 1 is arranged at the front end of the gearbox housing for the transmission shaft of the power supply motor to extend into, a mounting portion 2 is arranged at the rear end of the gearbox housing, a mounting portion 3 is arranged at the front end of the gearbox housing and at the lower end of the mounting portion 1, the mounting portion 1 is eccentrically arranged with the mounting portion 2 and the mounting portion 3, a supporting portion is arranged at the bottom of the gearbox housing, and four connecting bases for connection are arranged at the lower end of the supporting portion.

[0005] In the above-mentioned new gearbox, the gear assembly includes two transmission gear sets and a transition gear set, the two transmission gear sets and the transition gear set are meshed with each other, and one of the transmission gear sets is driven to work by the transmission shaft of the motor, and the transition gear set is driven to drive the other transmission gear set to work, the transmission gear set is arranged at the position of mounting part one, and the transition gear set is arranged at the position of mounting part two, and the two transmission gear sets and the transition gear set are arranged in an off-axis structure.

[0006] In the above-mentioned new gear box, the mounting part 1 is provided with an opening 1 for the transmission shaft of the power supply motor to extend into and be connected to the gear assembly, the mounting part 2 is provided with an installation space for installing the transition gear set, and the gear box housing is provided with an opening 2 which is connected to the interior at a position relative to the mounting part 2 and the mounting part 3.

[0007] In the above-mentioned novel gearbox, the support part and the gearbox housing are integrally formed, the connecting base and the support part are integrally formed, and the support part is provided with a plurality of mounting holes for mounting the gearbox.

[0008] In the above-mentioned novel gear box, a plurality of connecting ribs for strengthening the structure are arranged between the gear box housing and the supporting part.

[0009] Compared with the prior art, the novel gearbox is provided with mounting part 1, mounting part 2 and mounting part 3 on the gearbox housing. Mounting part 1 facilitates the connection of the motor, and mounting part 2 and mounting part 3 facilitate the connection of the gear assembly, which facilitates the maintenance of the inside of the gearbox housing and improves the use efficiency of the gearbox. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 It is a schematic cross-sectional view of the utility model (including the gear assembly).

[0012] In the figure, 1. gear box housing; 2. gear assembly; 3. flange; 4. mounting part one; 5. mounting part two; 6. mounting part three; 7. supporting part; 8. connecting base; 9. transmission gear set; 10. transition gear set; 11. mounting hole; 12. connecting rib. DETAILED DESCRIPTION

[0013] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0014] like Figure 1 , Figure 2As shown, the novel gearbox comprises a gearbox housing 1 and a motor connected to the gearbox housing 1. A gear assembly 2 is arranged inside the gearbox housing 1. An installation space for installing the gear assembly 2 is provided inside the gearbox housing 1. The motor is detachably installed on the gearbox housing 1 through a flange 3. A mounting portion 1 4 is arranged at the front end of the gearbox housing 1 for the transmission shaft of the power supply motor to extend into. A mounting portion 2 5 is arranged at the rear end of the gearbox housing 1. A mounting portion 3 6 is arranged at the front end of the gearbox housing 1 and located at the lower end of the mounting portion 1 4. The mounting portion 1 4, the mounting portion 2 5 and the mounting portion 3 6 are arranged in an eccentric structure. A support portion 7 is arranged at the bottom of the gearbox housing 1. Four connection bases 8 for connection are arranged at the lower end of the support portion 7. An installation space for installing a transmission gear set 9 is formed between the four connection bases 8. One transmission gear set 9 is arranged at the lower end of the connection base 8 and meshes with a transition gear set 10 at the mounting portion 2 5.

[0015] In the above-mentioned new gearbox, the gear assembly 2 includes two transmission gear sets 9 and a transition gear set 10, the two transmission gear sets 9 and the transition gear set 10 are meshed with each other, and one of the transmission gear sets 9 is driven to work by the transmission shaft of the motor, and the transition gear set 10 is driven to drive the other transmission gear set 9 to work, and the central transmission shaft in the transition gear set 10 is eccentrically downward to ensure that the lubricating oil on the transmission gear sets 9 arranged at the upper and lower ends fully lubricates the transition gear set 10 to avoid damage to the transition gear set 10 due to excessive torque, the transmission gear set 9 is arranged at the position of the mounting part 1 4, and the transition gear set 10 is arranged at the position of the mounting part 2 5, and the two transmission gear sets 9 and the transition gear set 10 are arranged as an eccentric structure.

[0016] In the above-mentioned new gear box, the mounting part 1 4 is provided with an opening 1 for the transmission shaft of the power supply motor to extend into and be connected to the gear assembly 2, the mounting part 2 5 is provided with an installation space for installing the transition gear set 10, and the gear box housing 1 is provided with an opening 2 which is connected to the interior at a position relative to the mounting part 2 5 and the mounting part 3 6.

[0017] In the above-mentioned novel gearbox, the support part 7 and the gearbox housing 1 are integrally formed, the connecting base 8 and the support part 7 are integrally formed, and the support part 7 is provided with a plurality of mounting holes 11 for mounting the gearbox.

[0018] In the above-mentioned novel gear box, a plurality of connecting ribs 12 for strengthening the structure are arranged between the gear box housing 1 and the support portion 7 .

[0019] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0020] Although this article uses more terms such as gearbox housing 1, gear assembly 2, flange 3, mounting part 1 4, mounting part 2 5, mounting part 3 6, support part 7, connecting base 8, transmission gear set 9, transition gear set 10, mounting hole 11, connecting rib 12, etc. in the figure, it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A novel gearbox, comprising a gearbox housing (1) and a motor connected to the inside of the gearbox housing (1), wherein a gear assembly (2) is arranged inside the gearbox housing (1), and an installation space for installing the gear assembly (2) is provided inside the gearbox housing (1), characterized in that: The motor is detachably mounted on the gearbox housing (1) via a flange (3); a mounting portion 1 (4) is provided at the front end of the gearbox housing (1) for the transmission shaft of the power supply motor to extend into; a mounting portion 2 (5) is provided at the rear end of the gearbox housing (1); a mounting portion 3 (6) is provided at the front end of the gearbox housing (1) and at the lower end of the mounting portion 1 (4); a supporting portion (7) is provided at the bottom of the gearbox housing (1); and four connecting bases (8) for connection are provided at the lower end of the supporting portion (7).

2. A new gearbox according to claim 1, characterized in that: The gear assembly (2) comprises two transmission gear sets (9) and a transition gear set (10), the two transmission gear sets (9) and transition gear sets (10) meshing with each other, and one of the transmission gear sets (9) is driven to work by the transmission shaft of the motor, and the transition gear set (10) is driven to drive the other transmission gear set (9) to work, the transmission gear set (9) is arranged at the position of the first mounting part (4), and the transition gear set (10) is arranged at the position of the second mounting part (5), and the two transmission gear sets (9) and transition gear sets (10) are arranged in an off-axis structure.

3. A new gearbox according to claim 2, characterized in that: The first mounting portion (4) is provided with an opening first into which the transmission shaft of the power supply machine extends and is connected to the gear assembly (2); the second mounting portion (5) is provided with an installation space for installing the transition gear set (10); and the gear box housing (1) is provided with an opening second at a position relative to the second mounting portion (5) and the third mounting portion (6) and connected to the interior.

4. A new type of gearbox according to claim 1, characterized in that: The support portion (7) and the gear box housing (1) are integrally formed structures, the connection base (8) and the support portion (7) are integrally formed structures, and the support portion (7) is provided with a plurality of mounting holes (11) for mounting the gear box.

5. A novel gearbox according to claim 1, characterized in that: A plurality of connecting ribs (12) for strengthening the structure are arranged between the gear box housing (1) and the support portion (7).

Images