Shifting fork structure of automobile gearbox

Abstract

The utility model discloses an automobile gearbox shifting fork structure, and particularly relates to the technical field of automobile gearbox shifting forks, the automobile gearbox shifting fork structure comprises a shifting fork body, shifting fork lubricating auxiliary devices are arranged at the upper end and the lower end of the shifting fork body, each shifting fork lubricating auxiliary device comprises a feeding assembly and an oil outlet assembly, and the oil outlet assemblies are arranged in the shifting fork body. Compared with the prior art, according to the shifting fork structure of the automobile gearbox, when oil is injected into the built-in groove, lubricating oil enters the moving groove, the moving groove is in an arc shape, the lubricating oil enters the oil leakage holes and is discharged through the oil leakage holes, and the multiple sets of oil leakage holes sequentially leak oil to conduct oil outlet lubricating work on the interior of the shifting fork body; the device is provided with a plurality of groups of moving grooves and oil leakage holes for carrying out staggered lubricating oil smearing work, so that the lubricating convenience and the lubricating uniformity of the whole device are greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive transmission shift fork technology, and more specifically, to an automotive transmission shift fork structure. Background Technology

[0002] The shift fork is one of the important components in the gearbox. It receives power from the shift lever to drive the gears in the gearbox to move on the shift fork shaft, disengaging the original gear pair and establishing a new gear pair, so as to operate at the required transmission ratio gear.

[0003] The existing ground shift forks require regular lubrication when used in the gearbox. However, the lubricant overflows from multiple oil outlets during application, resulting in uneven oil distribution and making it inconvenient for staff to apply lubricant to the shift forks. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides an automotive gearbox shift fork structure to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a shift fork structure for an automotive gearbox, including a shift fork body, wherein shift fork lubrication auxiliary devices are provided at the upper and lower ends of the shift fork body, and the shift fork lubrication auxiliary devices include: a feeding component and an oil dispensing component, wherein the oil dispensing component is disposed inside the shift fork body.

[0006] In a preferred embodiment, the feeding assembly includes: an oil storage tank, an oil supply pipe, an internal groove, and forks. The forks are provided in two sets, and the rear ends of the two sets of forks are respectively installed on the inner walls of the lower ends of the shift fork body.

[0007] In a preferred embodiment, the oil outlet component includes an oil outlet track, a moving groove, and an oil leakage hole. The moving groove is located at the upper end of the oil outlet track, and multiple sets of the oil outlet track and the moving groove are provided.

[0008] In a preferred embodiment, the lower end of the oil supply pipe is installed on the upper end of the oil storage tank, and the lower end of the oil storage tank is installed on the outer wall of the upper end of the shift fork body.

[0009] In a preferred embodiment, the built-in groove is formed inside the shift fork body, the shift fork body is semi-circular, the lower end of the oil storage tank is connected to the upper end of the built-in groove, and the inner wall of the shift fork body is provided with an oil outlet mesh.

[0010] In a preferred embodiment, the lower outer walls of the multiple sets of oil outlet tracks are all installed on the lower inner wall of the built-in groove, and the size of the oil outlet tracks is compatible with the size of the built-in groove.

[0011] In a preferred embodiment, multiple sets of oil leakage holes are provided, and the multiple sets of oil leakage holes are of compatible size and model. The multiple sets of oil leakage holes are provided at the upper and lower ends of multiple sets of movable grooves, and one set of oil leakage holes is provided in one set of movable grooves.

[0012] The technical effects and advantages of this utility model are as follows:

[0013] A new automotive gearbox shift fork structure, compared with existing technologies, allows lubricating oil to enter the oil drain hole and be discharged through the drain hole. Multiple sets of oil drain holes sequentially drain oil to lubricate the inside of the shift fork body. This device greatly improves the convenience and uniformity of lubrication by setting multiple sets of moving grooves and oil drain holes to perform staggered lubrication. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the structure of the shift fork lubrication auxiliary device of this utility model.

[0016] Figure 3 This is a schematic diagram of the feeding component structure of this utility model.

[0017] Figure 4 This is a schematic diagram of the oil outlet component structure of this utility model.

[0018] The attached figures are labeled as follows: 1. Shift fork body; 2. Shift fork lubrication auxiliary device; 21. Feeding assembly; 211. Oil storage tank; 212. Internal groove; 213. Fork foot; 214. Oil supply pipe; 22. Oil outlet assembly; 221. Oil outlet track; 222. Moving groove; 223. Oil leakage hole. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] As attached Figure 1-4 As shown, this utility model provides a gearbox shift fork structure, including a shift fork body 1. The shift fork body 1 is provided with shift fork lubrication auxiliary devices 2 at its upper and lower ends. The shift fork lubrication auxiliary devices 2 include a feeding component 21 and an oil dispensing component 22. The oil dispensing component 22 is disposed inside the shift fork body 1.

[0021] The feeding assembly 21 includes: an oil storage tank 211, an oil supply pipe 214, an internal groove 212, and forks 213. Two sets of forks 213 are provided, and the rear ends of the two sets of forks 213 are respectively installed on the inner walls of the lower end of the shift fork body 1. The internal groove 212 is opened inside the shift fork body 1. The shift fork body 1 is semi-circular. The lower end of the oil storage tank 211 is connected to the upper end of the internal groove 212. The inner wall of the shift fork body 1 is provided with an oil outlet mesh.

[0022] The oil outlet assembly 22 includes: an oil outlet track 221, a moving groove 222, and an oil drain hole 223. The moving groove 222 is located at the upper end of the oil outlet track 221. Multiple sets of oil outlet tracks 221 and moving grooves 222 are provided. The lower end of the oil supply pipe 214 is installed at the upper end of the oil storage tank 211. The lower end of the oil storage tank 211 is installed on the upper outer wall of the shift fork body 1. The lower outer walls of multiple sets of oil outlet tracks 221 are installed on the lower inner wall of the built-in groove 212. The size of the oil outlet track 221 is compatible with the size of the built-in groove 212. Multiple sets of oil drain holes 223 are provided, and the sizes of the multiple sets of oil drain holes 223 are compatible. The multiple sets of oil drain holes 223 are located at the upper and lower ends of multiple sets of moving grooves 222. One set of oil drain holes 223 is provided in one set of moving grooves 222.

[0023] The specific implementation method is as follows: When using this utility model, oil can be injected into the inner groove 212 through the oil storage tank 211 set at the upper end. When the inner groove 212 is injected with oil, the lubricating oil enters into the moving groove 222. The moving groove 222 is arc-shaped. The lubricating oil enters into the oil drain hole 223 and is discharged through the oil drain hole 223. Multiple sets of oil drain holes 223 sequentially drain oil to lubricate the inside of the shift fork body 1. This device greatly improves the convenience and uniformity of lubrication by setting multiple sets of moving grooves 222 and oil drain holes 223 for staggered lubrication.

[0024] The working principle of this utility model is as follows: When using this utility model, oil can be injected into the inner groove 212 through the oil storage tank 211 set at the upper end. When the inner groove 212 is injected with oil, the lubricating oil enters the moving groove 222. The moving groove 222 is arc-shaped. The lubricating oil enters the oil leakage hole 223 and is discharged through the oil leakage hole 223. Multiple sets of oil leakage holes 223 sequentially leak oil to lubricate the inside of the shift fork body 1.

[0025] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0026] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0027] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A shift fork structure for an automotive gearbox, comprising a shift fork body (1), characterized in that: The fork body (1) is provided with a fork lubrication auxiliary device (2) at both the upper and lower ends; The shift fork lubrication auxiliary device (2) includes a feeding assembly (21) and an oil dispensing assembly (22). The oil dispensing assembly (22) is located inside the shift fork body (1). The feeding assembly (21) includes an oil storage tank (211), an oil supply pipe (214), an internal groove (212), and fork legs (213). Two sets of fork legs (213) are provided, and the rear ends of the two sets of fork legs (213) are respectively installed on both sides of the lower end of the shift fork body (1). The inner wall of the oil outlet assembly (22) includes an oil outlet track (221), a moving groove (222) and an oil leakage hole (223). The moving groove (222) is opened at the upper end of the oil outlet track (221). Multiple sets of the oil outlet track (221) and the moving groove (222) are provided. The lower end of the oil supply pipe (214) is installed at the upper end of the oil storage tank (211). The lower end of the oil storage tank (211) is installed on the upper outer wall of the shift fork body (1).

2. The automotive gearbox shift fork structure according to claim 1, characterized in that: The built-in groove (212) is opened inside the shift fork body (1). The shift fork body (1) is semi-circular. The lower end of the oil storage tank (211) is connected to the upper end of the built-in groove (212). The inner wall of the shift fork body (1) is provided with an oil outlet mesh.

3. The automotive gearbox shift fork structure according to claim 1, characterized in that: The lower outer walls of the oil outlet track (221) are all installed on the lower inner wall of the built-in groove (212), and the size of the oil outlet track (221) is compatible with the size of the built-in groove (212).

4. The automotive gearbox shift fork structure according to claim 1, characterized in that: The oil leakage hole (223) is provided in multiple sets, and the multiple sets of oil leakage holes (223) are adapted in size and model. The multiple sets of oil leakage holes (223) are all provided at the upper and lower ends of the multiple sets of moving grooves (222), and a set of oil leakage holes (223) is provided in a set of moving grooves (222).

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