Integrated differential mechanism

Abstract

The utility model provides an integrated differential mechanism, and belongs to the technical field of automobile parts. The problem that in the prior art, a differential mechanism shell is not stable is solved. The differential mechanism comprises a differential mechanism front shell body, a differential mechanism outer shell body, a gear assembly, a crown-shaped gear and an air cylinder body, the differential mechanism front shell body is connected with the differential mechanism outer shell body, the gear assembly comprises a planet gear carrier, a planet gear and a half axle gear, the planet gear carrier is in a cross shape, and the planet gear is installed on the planet gear carrier. The differential mechanism front shell is provided with a first groove, the differential mechanism outer shell is provided with a second groove, the planetary gear carrier is connected with the first groove and the second groove, the crown gear is fixedly installed on one side of the differential mechanism outer shell, and a connecting column bolt is fixedly arranged in the differential mechanism outer shell in a penetrating mode. The connecting column bolt is connected with the differential mechanism front shell and the crown-shaped gear, and the air cylinder body is fixedly arranged on the outer side of the crown-shaped gear in a sleeving mode. The differential mechanism has the advantages that the planetary gear carrier is stably connected, and the differential mechanism front shell, the differential mechanism outer shell and the crown gear are stably connected.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts and relates to an integrated differential. Background Art

[0002] The differential is a key component in the vehicle's transmission system, mainly involving the improvement of the vehicle's drive system, designed to ensure that the wheels on both sides can rotate at different speeds when the vehicle turns, thereby maintaining driving stability and controllability.

[0003] A Chinese patent with publication number CN206539674U discloses a differential, including a frame assembly, a differential side bevel gear fixed to the frame assembly, an input gear, a planetary gear set and left and right sun gears located on the same axis, the left and right sun gears are cylindrical gears, the planetary gear set is a pair of cylindrical planetary gears meshing with each other, the axes of the cylindrical planetary gears are parallel to the axes of the left and right sun gears, one of the cylindrical planetary gears meshes with the left sun gear, and the other cylindrical planetary gear meshes with the right sun gear, a support shaft is arranged between the left and right sun gears, both ends of the support shaft are respectively inserted into the holes of the left and right sun gears to form a rotating pair, while the inner cavity of the frame assembly supports the left and right sun gears and axially limits the left and right sun gears, the frame assembly is a structure in which the left and right frames are fastened with connecting parts, wherein a positioning component extending into the inner cavity of the frame assembly is provided with the left frame, and the positioning component supports the support shaft to position the support shaft.

[0004] The patent provides a differential outer housing connection method that is not stable enough and can easily cause damage during use. Utility Model Content

[0005] The purpose of the utility model is to provide an integrated differential in view of the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: an integrated differential, comprising a differential front housing, a differential outer housing, a gear assembly, a crown gear and a cylinder block, the differential front housing and the differential outer housing are connected, the gear assembly comprises a planetary gear carrier, planetary gears and half-axle gears, the planetary gear carrier is cross-shaped and the planetary gears are mounted on the planetary gear carrier, the half-axle gears are meshed with the planetary gears, a first groove is provided on the differential front housing, a second groove is provided on the differential outer housing, the planetary gear carrier is respectively connected to the first groove and the second groove, the crown gear is fixedly installed on one side of the differential outer housing, a connecting stud is penetrated and fixed in the differential outer housing, the connecting stud is respectively connected to the differential front housing and the crown gear, and the cylinder block is sleeved and fixed on the outside of the crown gear.

[0007] In the above-mentioned integrated differential, a driving gear plate is fixedly mounted on the front housing of the differential.

[0008] In the above-mentioned integrated differential, a spring is arranged in the middle of the crown gear, and the spring is connected to the side gear.

[0009] In the above-mentioned integrated differential, a crown gear bearing is sleeved and fixedly mounted on the outside of the crown gear, and a crown gear cover is fixedly mounted on one side of the crown gear.

[0010] In the above-mentioned integrated differential, a sealing body is fixedly installed inside the cylinder block.

[0011] In the above-mentioned integrated differential, a flange body is fixedly mounted on one side of the front housing of the differential.

[0012] Compared with the prior art, the integrated differential provided by the utility model has the following beneficial effects: 1. By opening a first groove on the differential front housing and a second groove on the differential outer housing, the planetary gear carrier can be fixedly connected to the differential front housing and the differential outer housing through the first groove and the second groove respectively, thereby improving the connection stability of the gear assembly; 2. By fixing the connecting stud between the differential front housing and the crown gear, and passing the connecting stud through the differential outer housing, this structural design makes the connection between the differential front housing, the differential outer housing and the crown gear more stable. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a schematic diagram of the explosion structure of the utility model.

[0015] In the figure: 1. differential front housing; 11. first groove; 2. differential outer housing; 21. second groove; 3. gear assembly; 31. planetary gear carrier; 32. planetary gear; 33. half-shaft gear; 4. crown gear; 41. crown gear bearing; 42. crown gear cover; 5. cylinder block; 51. sealing body; 6. connecting stud; 7. driving gear plate; 8. spring; 9. flange body. DETAILED DESCRIPTION

[0016] 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.

[0017] like Figure 1 to Figure 2As shown, this embodiment includes a differential front housing 1, a differential outer housing 2, a gear assembly 3, a crown gear 4 and a cylinder block 5. The differential front housing 1 is connected to the differential outer housing 2. A driving gear plate 7 is fixedly mounted on the differential front housing 1. The driving gear plate 7 is used to connect with the driving gear and the driving shaft to drive the operation of this embodiment. The gear assembly 3 includes a planetary gear carrier 31, planetary gears 32 and axle gears 33. The planetary gear carrier 31 is cross-shaped and the middle of the planetary gear carrier 31 is a through-hole structure. The number of planetary gears 32 is four and the planetary gears 32 are respectively installed on the four feet of the planetary gear carrier 31. The number of axle gears 33 There are two side shaft gears 33, and the two side shaft gears 33 are respectively located on both sides of the planetary gear carrier 31 and meshed with the planetary gears 32. The end of the side shaft gear 33 on the front side is fixedly connected to the differential front housing 1, and the end of the side shaft gear 33 on the rear side is fixedly connected to the crown gear 4. The front housing 1 of the differential is provided with a first groove 11 adapted to the planetary gear carrier 31 on the inner side surface, and the outer housing 2 of the differential is provided with a second groove 21 adapted to the planetary gear carrier 31 on the inner side surface. The number of the first groove 11 and the second groove 21 is four. When fixedly installed, the four feet of the planetary gear carrier 31 are respectively connected to the four first grooves 11 and the second grooves 21.

[0018] like Figure 1 to Figure 2 As shown, the crown gear 4 is fixedly mounted on one side of the differential outer shell 2, one end of the connecting stud 6 is connected to the differential front shell 1, and the other end of the connecting stud 6 is connected to the inner side of the crown gear 4. A plurality of connecting through holes are provided on the differential outer shell 2, and the connecting stud 6 passes through the connecting through holes to connect the differential front shell 1, the differential outer shell 2 and the crown gear 4. A spring 8 is provided in the middle of the crown gear 4, and the spring 8 is connected to the half-shaft gear 33 near the end of the crown gear 4. The cylinder body 5 is sleeved and fixed on the outer side of the crown gear 4, and a sealing body 51 is fixedly installed inside the cylinder body 5. The cylinder body 5 is used to be connected with matching parts on the car.

[0019] To elaborate further, Figure 1 to Figure 2 As shown, the crown gear bearing 41 is sleeved and fixed on the outside of the crown gear 4 , and a crown gear cover 42 is fixedly installed on one side of the crown gear 4 , and the crown gear cover 42 is meshed and connected with the crown gear 4 .

[0020] To elaborate further, Figure 1 to Figure 2 As shown, a flange body 9 is fixedly mounted on one side of the differential front housing 1, and the flange body 9 plays a role in enabling the embodiment to transmit power and operate stably in the automobile.

[0021] 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.

[0022] Although various terms are used more frequently in this article, the possibility of using other terms is not excluded. 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. An integrated differential, comprising a differential front housing (1), a differential outer housing (2), a gear assembly (3), a crown gear (4) and a cylinder block (5), characterized in that: The differential front housing (1) is connected to the differential outer housing (2); the gear assembly (3) comprises a planetary gear carrier (31), planetary gears (32) and axle gears (33); the planetary gear carrier (31) is cross-shaped and the planetary gears (32) are mounted on the planetary gear carrier (31); the axle gears (33) are meshed with the planetary gears (32); a first groove (11) is provided on the differential front housing (1); and the differential outer housing (2) is provided with a first groove (11). A second groove (21) is provided on the differential housing (2); the planetary gear carrier (31) is connected to the first groove (11) and the second groove (21) respectively; the crown gear (4) is fixedly mounted on one side of the differential housing (2); a connecting stud (6) is passed through and fixed in the differential housing (2); the connecting stud (6) is connected to the differential front housing (1) and the crown gear (4) respectively; and the cylinder body (5) is sleeved and fixed on the outer side of the crown gear (4).

2. The integrated differential according to claim 1, characterized in that: A driving gear plate (7) is sleeved and fixed on the differential front housing (1).

3. The integrated differential according to claim 1, characterized in that: A spring (8) is arranged in the middle of the crown gear (4), and the spring (8) is connected to the half-shaft gear (33).

4. The integrated differential according to claim 1, characterized in that: A crown gear bearing (41) is sleeved and fixedly mounted on the outside of the crown gear (4), and a crown gear cover (42) is fixedly mounted on one side of the crown gear (4).

5. The integrated differential according to claim 1, characterized in that: A sealing body (51) is fixedly installed inside the cylinder body (5).

6. The integrated differential according to claim 1, characterized in that: A flange body (9) is fixedly mounted on one side of the differential front housing (1).

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