Detachable gear set

By introducing a detachable design into the differential gear set, the bolted connection between the mounting disk and the connecting disk and the meshing of the planetary gears is solved, the gear set crashes are achieved, and convenient disassembly and replacement is achieved, improving the maintenance efficiency and efficiency of the transmission system.

CN223227808UActive Publication Date: 2025-08-15CHANGZHOU ENHUI METAL NEW MATERIAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422257017.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2025-08-15
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

The differential gear set is prone to tooth impact during long-term use, resulting in damage to the gear teeth, affecting the transmission efficiency, and being inconvenient for disassembly and maintenance.

Method used

A detachable gear set is designed to enable the detachable connection of the driven gear to the mounting disc and the gear carrier by installing the mounting disc and the connecting plate on the back of the driven gear, and to achieve differential transmission through the meshing connection between the planetary gear and the half shaft.

Benefits of technology

It realizes convenient disassembly and replacement of gear sets, improves maintenance efficiency, and ensures the stability and efficiency of the transmission system.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223227808U_ABST
    Figure CN223227808U_ABST
Patent Text Reader

Abstract

The utility model provides a detachable gear set, which belongs to the field of gear structure design and comprises a transmission shaft, a mounting component and an output component. One end of the transmission shaft is fixedly provided with a driving gear; one side of the driving gear is engaged with a driven gear; the back of the driven gear is provided with an installation disc, the driven gear corresponds to an installation hole formed in the surface of the installation disc through an installation hole in the back of the driven gear, and an installation bolt is installed in the installation hole, so that the driven gear is connected with the installation disc in an installation mode. Connecting holes are correspondingly formed in the surfaces of the connecting disc and the driven gear, the gear frame and the driven gear are connected through the connecting bolts, the mounting disc and the gear frame are driven by the driven gear to rotate together, the mounting bolts and the connecting bolts are screwed off during disassembly, the mounting disc and the gear frame are separated from the driven gear, and a new gear structure is convenient to disassemble and replace.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of gear structure design, in particular to a detachable gear set. Background Art

[0002] A car's differential enables the left and right (or front and rear) drive wheels to rotate at different speeds. Its function is to ensure pure rolling motion when the car is turning or driving on uneven roads, allowing the left and right wheels to roll at different speeds. The differential is designed to adjust the speed difference between the left and right wheels. Gear transmission is the most widely used mechanical transmission method. It ensures stable transmission, high transmission efficiency, and long life. However, differential gear sets can collide with each other over extended use, causing gear tooth damage and affecting transmission efficiency. The inconvenience of disassembly makes subsequent maintenance and replacement difficult. Utility Model Content

[0003] The purpose of the present utility model is to provide a detachable gear set to solve the problem that the differential gear set proposed in the above background technology may collide with teeth during long-term use, causing damage to the gear teeth, thereby affecting the transmission efficiency, and the subsequent maintenance and replacement becomes difficult due to the inconvenience of disassembly.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a detachable gear set, comprising a transmission shaft, a mounting assembly and an output assembly;

[0005] Wherein: a driving gear is fixedly mounted on one end of the transmission shaft, and a driven gear is meshedly connected to one side of the driving gear;

[0006] The mounting assembly includes a mounting plate mounted on the back of the driven gear, the back of the driven gear and the surface of the mounting plate correspondingly having mounting holes, the interior of the mounting hole being threadedly connected to a mounting bolt, a gear rack being provided on one side of the driven gear, a connecting plate being mounted on one end of the gear rack, the connecting plate and the surface of the driven gear correspondingly having connecting holes, the connecting hole being inserted and connected with a connecting bolt;

[0007] The output assembly comprises a first half shaft rotatably mounted inside the mounting plate, a second half shaft rotatably mounted inside the gear frame, and one end of each of the first half shaft and the second half shaft is mounted with a side gear.

[0008] As a preferred solution of the present invention: fixing holes are opened on both sides of the gear rack, planetary gears are rotatably installed inside the fixing holes, and the planetary gears are meshed and connected with the side gears on both sides.

[0009] As a preferred solution of the present invention: one end of the first half shaft and the second half shaft is connected to a spline shaft, a spline groove is opened in the middle of the side gear, and the spline shaft is inserted into the spline groove.

[0010] As a preferred solution of the present invention: a guide sleeve is installed in the middle of the connecting disk, the guide sleeve is inserted into the middle of the installation disk, and the side gear at one end of the second half shaft is inserted into the guide sleeve.

[0011] As a preferred solution of the present invention: a bearing seat is installed at one end of the mounting plate and the gear rack.

[0012] As a preferred solution of the present invention: fixing bolts are installed on both sides of the bearing seat.

[0013] As a preferred solution of the present invention: one side of the mounting plate is connected with a reinforcing rib.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] (1) A mounting plate is provided on the back of the driven gear. The driven gear has a mounting hole on the back corresponding to the mounting hole on the surface of the mounting plate. The mounting bolt is installed in the mounting hole so that the driven gear is connected to the mounting plate. A connecting plate is installed at one end of the gear frame. The connecting plate and the driven gear surface have corresponding connecting holes. The gear frame is connected to the driven gear through the connecting bolts so that the driven gear drives the mounting plate and the gear frame to rotate together. When disassembling, the mounting bolts and the connecting bolts are unscrewed so that the mounting plate and the gear frame are separated from the driven gear, which is convenient for disassembling and replacing the new gear structure.

[0016] (2) Through the output assembly provided, the first half-shaft is rotatably mounted inside the mounting plate, the second half-shaft is rotatably mounted inside the gear rack, side gears are correspondingly mounted on one end of the first half-shaft and the second half-shaft, planetary gears are mounted inside the fixing holes opened on both sides of the gear rack, and the planetary gears are meshed and connected with the side gears mounted on one end of the first half-shaft and the second half-shaft, so that differential transmission is easily realized through the first half-shaft and the second half-shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the planetary gear installation structure of the present utility model;

[0020] Figure 4 This is a schematic diagram of the reinforcing rib installation structure of the present invention.

[0021] In the figure: 1. Transmission shaft; 2. Driving gear; 3. Driven gear; 4. Mounting assembly; 41. Mounting plate; 42. Mounting hole; 43. Mounting bolt; 44. Gear rack; 45. Connecting plate; 46. Connecting hole; 47. Connecting bolt; 5. Output assembly; 51. First half shaft; 52. Second half shaft; 53. Side gear; 6. Fixing hole; 7. Planetary gear; 8. Spline shaft; 9. Spline groove; 10. Guide sleeve; 11. Bearing seat; 12. Fixing bolt; 13. Reinforcement rib. DETAILED DESCRIPTION

[0022] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4 A detachable gear set includes: a transmission shaft 1, a mounting assembly 4, and an output assembly 5; a driving gear 2 is fixedly mounted on one end of the transmission shaft 1, and a driven gear 3 is meshedly connected to one side of the driving gear 2;

[0024] See also Figure 1 , Figure 3 , Figure 4 The mounting assembly 4 includes a mounting plate 41 mounted on the back of the driven gear 3, and mounting holes 42 are correspondingly opened on the back of the driven gear 3 and the surface of the mounting plate 41. The internal thread of the mounting hole 42 is connected with a mounting bolt 43. A gear rack 44 is provided on one side of the driven gear 3, and a connecting plate 45 is installed at one end of the gear rack 44. Connecting holes 46 are correspondingly opened on the surface of the connecting plate 45 and the driven gear 3, and a connecting bolt 47 is inserted and connected inside the connecting hole 46.

[0025] During specific use: a mounting plate 41 is provided on the back of the driven gear 3, and the driven gear 3 corresponds to the mounting hole 42 opened on the surface of the mounting plate 41 through the mounting hole 42 on the back, and the mounting bolt 43 is installed in the mounting hole 42, so that the driven gear 3 is installed and connected to the mounting plate 41, and a connecting plate 45 is installed at one end of the gear frame 44, and connecting holes 46 are opened correspondingly on the connecting plate 45 and the surface of the driven gear 3, and the gear frame 44 is connected to the driven gear 3 through the connecting bolt 47, so that the driven gear 3 drives the mounting plate 41 and the gear frame 44 to rotate together. When disassembling, the mounting bolt 43 and the connecting bolt 47 are unscrewed, so that the mounting plate 41 and the gear frame 44 are separated from the driven gear 3, which is convenient for disassembly and replacement of the new gear structure.

[0026] See also Figure 1 , Figure 2 , Figure 3 The output assembly 5 includes a first half-shaft 51 rotatably mounted inside the mounting plate 41, a second half-shaft 52 rotatably mounted inside the gear frame 44, and side gears 53 are mounted on one end of each of the first and second half-shafts 51 and 52. Fixing holes 6 are provided on both sides of the gear frame 44, and planetary gears 7 are rotatably mounted inside the fixing holes 6. The planetary gears 7 are meshed and connected with the side gears 53 on both sides.

[0027] During specific use: the first half shaft 51 is rotatably installed inside the mounting plate 41, the second half shaft 52 is rotatably installed inside the gear frame 44, side gears 53 are installed at one end of the first half shaft 51 and the second half shaft 52 respectively, and planetary gears 7 are installed inside the fixing holes 6 opened on both sides of the gear frame 44. The planetary gears 7 are meshed and connected with the side gears 53 installed at one end of the first half shaft 51 and the second half shaft 52, so that differential transmission can be easily realized through the first half shaft 51 and the second half shaft 52.

[0028] See also Figure 2 , Figure 3 One end of the first half shaft 51 and the second half shaft 52 is connected to a spline shaft 8, a spline groove 9 is opened in the middle of the side gear 53, and the spline shaft 8 is inserted into the spline groove 9.

[0029] During specific use: one end of the first half shaft 51 and the second half shaft 52 is connected to the spline shaft 8, and a spline groove 9 is opened in the middle of the side gear 53. The spline shaft 8 is inserted into the spline groove 9, so that the first half shaft 51 and the second half shaft 52 are connected to the side gear 53 to realize synchronous power transmission.

[0030] See also Figure 3 A guide sleeve 10 is installed in the middle of the connecting disk 45 , the guide sleeve 10 is inserted into the middle of the mounting disk 41 , and the side gear 53 at one end of the second half shaft 52 is inserted into the inside of the guide sleeve 10 .

[0031] During specific use: a guide sleeve 10 is installed in the middle of the connecting disk 45, and the guide sleeve 10 is inserted into the middle of the mounting disk 41. The side gear 53 at one end of the second half shaft 52 is inserted into the guide sleeve 10 and meshed with the planetary gear 7 in the gear frame 44.

[0032] See also Figure 3 A bearing seat 11 is installed at one end of the mounting plate 41 and the gear frame 44, and fixing bolts 12 are installed on both sides of the bearing seat 11.

[0033] During specific use: the mounting plate 41 and one end of the gear frame 44 are mounted with a bearing seat 11 , and the bearing seat 11 is mounted in the differential case via fixing bolts 12 on both sides.

[0034] See also Figure 4 A reinforcing rib 13 is connected to one side of the mounting plate 41 .

[0035] During specific use, the reinforcing rib 13 on one side of the mounting plate 41 serves to increase the structural strength of the mounting plate 41 .

[0036] A mounting plate 41 is provided on the back of the driven gear 3, and the driven gear 3 corresponds to the mounting hole 42 opened on the surface of the mounting plate 41 through the mounting hole 42 on the back. The mounting bolt 43 is installed in the mounting hole 42, so that the driven gear 3 is installed and connected to the mounting plate 41. A connecting plate 45 is installed at one end of the gear frame 44, and connecting holes 46 are opened on the connecting plate 45 and the surface of the driven gear 3 correspondingly. The gear frame 44 is connected to the driven gear 3 through the connecting bolt 47, so that the driven gear 3 drives the mounting plate 41 and the gear frame 44 to rotate together. When disassembling, the mounting bolt 43 and the connecting bolt 47 are unscrewed, so that the mounting plate 41 and the gear frame 44 are separated from the driven gear 3, which is convenient for disassembly and replacement of the new gear structure.

[0037] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A detachable gear set, characterized in that: include: A transmission shaft (1), wherein a driving gear (2) is fixedly mounted on one end of the transmission shaft (1), and a driven gear (3) is meshedly connected to one side of the driving gear (2); A mounting assembly (4), the mounting assembly (4) comprising a mounting plate (41) mounted on the back of the driven gear (3), mounting holes (42) correspondingly provided on the back of the driven gear (3) and the surface of the mounting plate (41), a mounting bolt (43) being connected to the internal thread of the mounting hole (42), a gear rack (44) being provided on one side of the driven gear (3), a connecting plate (45) being mounted on one end of the gear rack (44), connecting holes (46) correspondingly provided on the surface of the connecting plate (45) and the driven gear (3), a connecting bolt (47) being inserted and connected to the inside of the connecting hole (46); An output assembly (5) includes a first half-shaft (51) rotatably mounted inside a mounting plate (41), a second half-shaft (52) rotatably mounted inside the gear rack (44), and a side gear (53) mounted at one end of each of the first half-shaft (51) and the second half-shaft (52).

2. The detachable gear set according to claim 1, characterized in that: Fixing holes (6) are provided on both sides of the gear rack (44), and planetary gears (7) are rotatably mounted inside the fixing holes (6). The planetary gears (7) are meshed and connected with the side gears (53) on both sides.

3. The detachable gear set according to claim 1, characterized in that: One end of the first half shaft (51) and the second half shaft (52) is connected to a spline shaft (8), a spline groove (9) is provided in the middle of the side gear (53), and the spline shaft (8) is inserted into the spline groove (9).

4. The detachable gear set according to claim 1, characterized in that: A guide sleeve (10) is installed in the middle of the connecting disk (45), the guide sleeve (10) is inserted into the middle of the mounting disk (41), and the side gear (53) at one end of the second half shaft (52) is inserted into the guide sleeve (10).

5. The detachable gear set according to claim 1, characterized in that: A bearing seat (11) is mounted on one end of each of the mounting plate (41) and the gear rack (44).

6. The detachable gear set according to claim 5, characterized in that: Fixing bolts (12) are installed on both sides of the bearing seat (11).

7. The detachable gear set according to claim 1, characterized in that: A reinforcing rib (13) is connected to one side of the mounting plate (41).