Differential mechanism with integrated differential mechanism shell

Abstract

The utility model provides a differential mechanism with an integrated differential mechanism shell, and belongs to the technical field of differential mechanisms. The problem that in the prior art, a differential mechanism shell cannot play a supporting role is solved. The differential mechanism comprises an outer shell, an end cover and a differential mechanism assembly, the differential mechanism assembly is installed in the outer shell, a planetary gear, a left half axle gear and a right half axle gear are installed in an inner shell, the planetary gear is meshed with the left half axle gear and the right half axle gear respectively, and a left connecting body and a right connecting body are formed on the two sides of the inner shell respectively. A left bearing and a right bearing are sleeved on the left connector and the right connector respectively, a driving shaft hole, a left half shaft hole and a right half shaft hole are formed in the outer shell respectively, a left fixing body and a right fixing body are formed in the outer shell, and a left supporting handle and a right supporting handle are fixedly connected below the left fixing body and the right fixing body respectively. The left supporting handle and the right supporting handle are attached to the lower ends of the left bearing and the right bearing respectively. The protective cover has the advantages of being good in protective effect, high in supporting performance and long in service life.

Description

Technical Field

[0001] The utility model belongs to the technical field of differentials and relates to a differential with an integrated differential housing. Background Art

[0002] In existing differentials on the market, the differential housing is mounted outside the differential assembly and only serves a protective function.

[0003] Chinese patent publication number CN204037334U discloses a dual-axis differential, including a housing, a first input shaft, a first connecting cover, a second connecting cover, a second input shaft, a left half-shaft and a right half-shaft. First bearings are respectively provided on the left and right sides of the housing. The first connecting cover and the second connecting cover are respectively arranged at the front and rear ends of the housing. One end of the first input shaft passes through the first connecting cover and extends into the housing. The first input shaft is provided with a second bearing. The end of the first input shaft extending into the housing is provided with a first driving gear. One end of the second input shaft passes through the second connecting cover and extends into the housing. The second input shaft is provided with a third bearing. The end of the second input shaft extending into the housing is provided with a second driving gear. Two driven gears are provided in the housing. The first driving gear and the second driving gear are respectively meshed with the two driven gears. A gear carrier is provided between the two driven gears. Two planetary gears are provided on the gear carrier. The left half-shaft and the right half-shaft are respectively provided on the first bearings at the left and right ends of the housing. The ends of the left and right half-shafts extending into the housing are respectively provided with side shaft gears, and the side shaft gears mesh with the planetary gears.

[0004] In a dual-axle differential provided by this patent, several differential components are only installed inside the housing, and the housing provides protection but lacks support. Utility Model Content

[0005] The purpose of the present utility model is to provide a differential with an integrated differential housing in order to solve the above problems existing in the prior art.

[0006] The purpose of the utility model can be achieved through the following technical solutions: a differential with an integrated differential housing, comprising an outer housing, an end cover and a differential assembly, wherein the differential assembly is installed inside the outer housing, the differential assembly comprises a planetary gear, a left half-shaft gear, a right half-shaft gear, an inner housing, a driven gear plate and a driving gear, the planetary gear, the left half-shaft gear and the right half-shaft gear are installed inside the inner housing and the planetary gears are respectively meshed with the left half-shaft gear and the right half-shaft gear, a left connector and a right connector are respectively formed on both sides of the inner housing, The left connecting body and the right connecting body are respectively provided with a left bearing and a right bearing, the outer shell is formed by integral injection molding and an active shaft hole, a left half-shaft hole and a right half-shaft hole are respectively formed on the outer shell, the left connecting body and the left bearing are located at the inner end of the left half-shaft hole, the right connecting body and the right bearing are located at the inner end of the right half-shaft hole, a left fixed body and a right fixed body are formed inside the outer shell, and a left support handle and a right support handle are respectively fixedly connected to the lower ends of the left and right bearings. The left support handle and the right support handle are respectively fitted to the lower ends of the left bearing and the right bearing.

[0007] In the above-mentioned differential with an integrated differential housing, both ends of the left support handle and the right support handle are arc surfaces, and both ends of the left support handle and the right support handle are in contact with the inner wall of the housing.

[0008] In the above-mentioned differential with an integrated differential housing, a driving shaft is fixed in the driving gear, a driving bearing is sleeved on the driving shaft, the driving shaft is located inside the driving shaft hole, and the driving gear is meshed with the driven gear plate.

[0009] In the above-mentioned differential with an integrated differential housing, the end cover is fixedly mounted on the lower end of the outer shell and is sealed to the outer shell.

[0010] Compared with the prior art, the differential with an integrated differential housing provided by the present invention has the following beneficial effects: through the integrated outer shell setting, the left fixed body and the right fixed body integrally formed inside the outer shell are connected to the left support handle and the right support handle, the left fixed body and the left support handle support and protect the left bearing, and the right fixed body and the right support handle support and protect the right bearing, the two sides of the left support handle and the right support handle are arc surface structures, which fit together with the inner wall of the outer shell, further play a stabilizing role, and will not damage the inner wall of the outer shell during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0013] Figure 3 It is a schematic diagram of the internal structure of the outer shell.

[0014] In the figure: 1. Outer shell; 11. Driving shaft hole; 12. Left half-shaft hole; 13. Right half-shaft hole; 14. Left fixed body; 15. Right fixed body; 2. End cover; 3. Differential assembly; 31. Planetary gear; 32. Left half-shaft gear; 33. Right half-shaft gear; 34. Inner shell; 341. Left connecting body; 342. Right connecting body; 35. Driven gear plate; 36. Driving gear; 4. Left bearing; 5. Right bearing; 6. Left support handle; 7. Right support handle; 8. Driving shaft; 9. Driving bearing. DETAILED DESCRIPTION

[0015] 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.

[0016] like Figures 1 to 3 As shown, this embodiment includes an outer shell 1, an end cover 2 and a differential assembly 3. The end cover 2 is fixedly mounted on the lower end of the outer shell 1 and is sealed to the outer shell 1. The differential assembly 3 is mounted in the inner cavity formed by the outer shell 1. The differential assembly 3 includes planetary gears 31, a left half-shaft gear 32, a right half-shaft gear 33, an inner shell 34, a driven gear plate 35 and a driving gear 36. There are two planetary gears 31. The planetary gears 31 are mounted on the upper and lower ends of the inner shell 34. The left half-shaft gear 32 and the right half-shaft gear 33 are mounted on the left and right ends of the inner shell 34. The planetary gears 31 are respectively meshed with the left half-shaft gear 32 and the right half-shaft gear 33. A left connector 341 and a right connector 342 are respectively integrally formed on the left and right sides of the outer shell 34. The left bearing 4 and the right bearing 5 are respectively sleeved on the left connector 341 and the right connector 342.

[0017] like Figures 1 to 3As shown, the outer shell 1 is formed by integral injection molding and the outer shell 1 is respectively formed with a driving shaft hole 11, a left half shaft hole 12 and a right half shaft hole 13. The driving shaft 8 is fixed in the driving gear 36, and the driving bearing 9 is sleeved on the driving shaft 8. The driving shaft 8 is located inside the driving shaft hole 11. The driving gear 36 is engaged with the driven gear plate 35. The left connector 341 and the left bearing 4 are located at the inner end of the left half shaft hole 12, the right connector 342 and the right bearing 5 are located at the inner end of the right half shaft hole 13, and the outer shell 1 is internal. A left fixed body 14 and a right fixed body 15 are integrally formed, and vertical threaded holes are provided on the left fixed body 14 and the right fixed body 15. The left support handle 6 and the right support handle 7 are respectively fixed to the lower part of the left fixed body 14 and the right fixed body 15 by bolts. The left support handle 6 and the right support handle 7 are semicircular in shape and the left support handle 6 and the right support handle 7 are respectively attached to the lower end of the left bearing 4 and the right bearing 5. The left support handle 6 and the right support handle 7 support the left bearing 4 and the right bearing 5 respectively.

[0018] To elaborate further, Figures 1 to 3 As shown, both ends of the left support handle 6 and the right support handle 7 are arc surfaces, and both ends of the left support handle 6 and the right support handle 7 are in contact with the inner wall of the outer shell 1. This structure further improves the supporting stability of the left support handle 6 and the right support handle 7, and the left support handle 6 and the right support handle 7 of this structure will not cause damage to the inner wall of the outer shell 1.

[0019] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope defined by the appended claims.

[0020] Although various terms are used in this document, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional restrictions is contrary to the spirit of the present invention.

Claims

1. A differential with an integrated differential housing, comprising an outer housing (1), an end cover (2) and a differential assembly (3), wherein the differential assembly (3) is mounted inside the outer housing (1), the differential assembly (3) comprising a planetary gear (31), a left half-shaft gear (32), a right half-shaft gear (33), an inner housing (34), a driven gear plate (35) and a driving gear (36), wherein the planetary gear (31), the left half-shaft gear (32) and the right half-shaft gear (33) are mounted inside the inner housing (34) and the planetary gear (31) is meshed with the left half-shaft gear (32) and the right half-shaft gear (33), respectively, and wherein: A left connector (341) and a right connector (342) are formed on both sides of the inner shell (34), and a left bearing (4) and a right bearing (5) are sleeved on the left connector (341) and the right connector (342), respectively. The outer shell (1) is formed by integral injection molding and is respectively formed with a driving shaft hole (11), a left half-shaft hole (12) and a right half-shaft hole (13). The left connector (341) and the left bearing (4) are located in the left half-shaft hole ( 12), the right connecting body (342) and the right bearing (5) are located at the inner end of the right half-shaft hole (13), and a left fixing body (14) and a right fixing body (15) are formed inside the outer shell (1), and a left supporting handle (6) and a right supporting handle (7) are fixedly connected below the left fixing body (14) and the right fixing body (15), respectively, and the left supporting handle (6) and the right supporting handle (7) are respectively fitted to the lower ends of the left bearing (4) and the right bearing (5).

2. The differential with an integrated differential housing according to claim 1, characterized in that: Both ends of the left support handle (6) and the right support handle (7) are arc surfaces, and both ends of the left support handle (6) and the right support handle (7) are in contact with the inner wall of the outer shell (1).

3. The differential with an integrated differential housing according to claim 1, characterized in that: A driving shaft (8) is fixed in the driving gear (36), a driving bearing (9) is sleeved on the driving shaft (8), the driving shaft (8) is located inside the driving shaft hole (11), and the driving gear (36) is meshed with the driven gear plate (35).

4. The differential with an integrated differential housing according to claim 1, characterized in that: The end cover (2) is fixedly mounted on the lower end of the outer shell (1), and the end cover (2) is sealedly connected to the outer shell (1).

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