CN212389734U

CN212389734U - Fixed bolt structure that goes of gearbox lubricating oil guide plate

Info

Publication number: CN212389734U
Application number: CN202022194742.6U
Authority: CN
Inventors: 郑力君; 陈梓斌; 余顶建
Original assignee: Zhuzhou Gear Co Ltd
Current assignee: Zhuzhou Gear Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-22
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a bolt-removing structure for fixing a lubricating oil guide plate of a gearbox, which comprises a fixed section integrating the rear end of the oil guide plate and a clamping plate transversely arranged at the front part of the oil guide plate; the oil guide plate is made of a material capable of elastically deforming the oil guide plate. The cardboard sets up the right side at oil guide plate. The plate body of the oil guide plate is bent towards the right side to form a rightward deflection angle a. The cardboard back is equipped with the preceding participate in that backward can flexibly spacing. The oil guide plate at the front end of the fixed section of the oil guide plate is provided with a fixed plate which is transversely arranged, and a backward back pin for preventing the oil guide plate from rotating is arranged behind the fixed plate. The advantages are that: all parts on the oil guide plate are integrally formed with the oil guide plate without being fixed by additional bolts, so that the risk that the bolts inadvertently fall into the gearbox in the assembling process and the risk that the bolts are loosened and fall into the gearbox in the using process are eliminated; the assembly speed is improved; the production and processing costs of manufacturing the bolt and machining the threaded hole on the shell are saved.

Description

Fixed bolt structure that goes of gearbox lubricating oil guide plate

Technical Field

The utility model relates to a gearbox lubricating oil leads oily structure, concretely relates to fixed bolt structure that removes of gearbox lubricating oil guide oil board belongs to automobile speed changing equipment technical field.

Background

The automobile gearbox is internally provided with complex lubricating oil ducts, and splashed lubricating oil is collected and conveyed to the positions, needing lubrication, of rotating parts in the gearbox through the oil ducts. These oil passages are mostly oil grooves or oil holes provided on the inner wall of the transmission case 1. Because the individual positions needing lubricating can not convey the lubricating oil collected in the areas separated by a space through the oil grooves or the oil holes formed in the inner wall of the shell, the problem is solved by adopting a mode of erecting an oil guide plate. The oil guide plate is erected in the gearbox, and how to fix the oil guide plate is a relatively complex problem, and the oil guide plate and the gearbox shell 1 are fixed in a corresponding drilling mode and then fastened by bolts in the prior art. Because the gearbox is internally provided with a complex wheel axle component, the alignment and the bolt tightening to fix the oil guide plate have great operation difficulty. Meanwhile, the serious consequences of damaging the transmission are caused by the fact that a bolt falls into the transmission in the operation process and is not found in time or the bolt loosens and falls into the transmission in the application process.

In the automobile transmission, there is an oil guide plate for guiding the lubricating oil collected on the clutch housing into the rear bearing hole of the input shaft of the transmission housing 1, the oil guide plate is the most important oil guide plate in the gearbox, is the most representative oil guide plate in the mounting and fixing mode and structure, the important point is that the lubricating oil collected in the clutch cavity separated by a space of the transmission cavity 3 needs to be conveyed to the position of the rear bearing hole of the input shaft of the transmission shell 1, the lubricating oil input to the position of the rear bearing hole of the input shaft needs to be shunted to the bearing position of the rear bearing hole of the output shaft through an oil guiding groove between the rear bearing hole of the input shaft and the rear bearing hole of the output shaft, and the oil is input and sent to the bearing of the idle gear through the inner cavity hole of the bearing hole position corresponding to the shaft, to sufficiently ensure that sufficient lubricating oil is available for lubricating the two bearings on the transmission case 1 and the needle roller bearings at the positions where the idler gears are located. The most typical installation and fixation method and structure is that the oil guide plate needs to span a space, and the oil guide plate is generally installed and fixed by fixing two ends.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is mainly that the existing oil guide plate is fixed by bolts, and there is a risk that the bolts (or screws) fall into the gearbox to damage the gearbox during installation and application; secondly, there is the screw hole to counterpoint and the great problem of the bolt operation degree of difficulty of screwing up in the installation.

To the above problem, the utility model provides a technical scheme is:

a bolt-removing structure for fixing a lubricating oil guide plate of a gearbox comprises a fixing section and a clamping plate, wherein the fixing section is integrated with the oil guide plate at the rear end of the oil guide plate, and the clamping plate is transversely arranged at the front part of the oil guide plate; the oil guide plate is made of a material capable of enabling the oil guide plate to generate elastic deformation.

Further, the cardboard sets up the right side at oil guide plate.

Further, the plate body of the oil guide plate is bent towards the right side to form a rightward deflection angle a.

Furthermore, a backward front pin capable of flexibly limiting is arranged behind the clamping plate.

Furthermore, the front pin is formed by a plurality of elastic pieces I with elasticity in a tubular circumferential arrangement mode, and intervals are arranged between the adjacent elastic pieces I.

Furthermore, the middle parts of the elastic sheets I which are arranged in the tubular circumferential direction of the front pin are all protruded outwards in the radial direction.

Furthermore, a fixed plate is transversely arranged on the oil guide plate at the front end of the fixed section of the oil guide plate, and a backward back pin for preventing the oil guide plate from rotating is arranged behind the fixed plate.

Furthermore, the back pin is formed by a plurality of elastic second sheets with elasticity which are arranged in a tubular circumferential direction, and vibration reduction intervals are arranged between the adjacent elastic second sheets.

Preferably, all the parts of the oil guide plate are integrally pressed and formed with the oil guide plate.

The utility model has the advantages that:

1. all parts on the oil guide plate are integrally formed with the oil guide plate without being fixed by additional bolts, so that the risk that the bolts inadvertently fall into the gearbox in the assembling process and the risk that the bolts are loosened and fall into the gearbox in the using process are eliminated;

2. the assembly speed is improved;

3. the production and processing costs of manufacturing the bolt and machining the threaded hole on the shell are saved.

Drawings

FIG. 1 is a schematic perspective view of the oil deflection plate mounted to a transmission housing of a transmission, wherein the direction indicated by the single arrow is to the right;

FIG. 2 is a partial perspective view of a transmission housing of the transmission, shown in the right direction by the single arrow;

FIG. 3 is a schematic perspective view of the oil deflector, wherein the direction indicated by a single arrow is forward;

fig. 4 is a perspective view of the back pin;

fig. 5 is a perspective view of the front pin;

fig. 6 is a perspective view illustrating the deflection of the oil guide plate body.

In the figure: 1. a transmission housing; 11. fixing the sinking platform; 12. a front limiting hole; 13. a rear limiting hole; 14. a limiting notch; 2. an oil guide plate; 21. a fixed section; 22. a front pin; 221. elastic pieces I; 23. a back pin; 231. a second elastic sheet; 24. clamping a plate; 25. an oil sump; 26. a fixing plate; 3. a cavity; a. a deflection angle.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1, 2 and 3, for better description and understanding of the present invention, the oil guiding plate of the present invention is first described basically. In this document, the left and right directions are opposite to the left and right directions of the view, and are determined according to the front and rear directions of the oil guide plate 2, and all directions related to the front, rear, left and right directions in the text are based on the direction of the drawing. In fig. 1 and 2, the direction indicated by the single arrow is the right direction as described herein, and the direction indicated by the single arrow in fig. 3 is the forward direction.

The transmission case 1: the hollow cavity 3 is used for accommodating a change wheel and a shaft, the hollow cavity 3 is formed by a partition board which is raised forwards on the right side of the transmission shell and surrounds the transmission shell on the left side, and the hollow cavity 3 has a certain depth. In front of the transmission housing 1 is a clutch housing (not shown) of the gearbox.

And (3) oil guide plate 2: the upper surface is provided with an oil groove 25, the front end of the oil groove 25 receives the lubricating oil splashed in the transmission case collected on the front clutch housing, and the lubricating oil flows from the front end of the oil guide plate to the rear end of the oil guide plate through the oil groove 25. At the rear end of the oil guide plate 2, the rear end of the oil guide plate 2 is referred to as a fixed part which can be inserted into the transmission case 1, and the fixed part 21 is a part of the oil guide plate 2; the transmission housing 1 on the inner wall of the rear end of the cavity 3 is provided with a fixed sinking platform 11 the inner wall surface of which is matched with the outer surface of the fixed section 21. A fixing plate 26 arranged transversely is arranged at the front part of the fixing section 21, and a rear pin 23 arranged backwards is arranged behind the fixing plate 26; correspondingly, a rear limiting hole 13 is also arranged beside the fixed sunken platform 11 on the transmission shell 1 at the inner wall of the rear end of the hole-shaped cavity 3. A transverse clamping plate 24 is arranged on the right side of the front part of the oil guide plate 2; correspondingly, a limit notch 14 enabling the catch plate 24 to be inserted from left to right is arranged on the transmission housing 1 above and to the right of the front end of the hollow cavity 3. A backward front pin 22 capable of flexibly limiting is arranged behind the clamping plate 24, and correspondingly, a front limiting hole 12 with a forward opening is arranged on the transmission shell 1 at the upper right part of the front end of the hollow cavity 3.

During assembly, the fixing section 21 and the rear pin 23 at the rear end of the oil guide plate are respectively inserted into the fixed sinking platform 11 and the rear limiting hole 13, the front pin 22 at the front part of the oil guide plate 2 is inserted into the front limiting hole 12 formed in the transmission shell 1 above the right of the front end of the hole-shaped cavity 3, and the clamping plate 24 is inserted into the limiting notch 14.

The following is the innovative improvement of the utility model.

As shown in fig. 2 and 3, a structure for fixing a lubricating oil guide plate of a transmission without bolts comprises a fixing section 21 at the rear end of the oil guide plate 2 and integrated with the oil guide plate 2, and a clamping plate 24 transversely arranged at the front part of the oil guide plate 2; the oil guide plate 2 is made of a material capable of elastically deforming the oil guide plate 2. The arrangement is that the fixing section 21 is inserted into the fixing sinking platform 11 on the transmission housing 1 on the inner wall of the rear end of the hole-shaped cavity 3 during installation so as to implement primary fixing on the rear end of the oil guide plate 2, and then the clamping plate 24 arranged at the front part of the oil guide plate 2 is transversely inserted into the limiting notch 14, so that the fixing section 21 of the oil guide plate 2 can be prevented from being pulled out forwards from the fixing sinking platform 11. The fixing is realized without using additional bolts, so that the risk that the bolts inadvertently fall into the gearbox in the assembling process and the risk that the bolts are loosened and fall into the gearbox in the using process are eliminated; and the assembly speed is improved.

The following is a further improvement.

As shown in fig. 2, 3 and 6, the plate body of the oil guide plate 2 is bent to the right side to form a deflection angle a. The purpose that sets up like this is exactly that the cardboard 24 that leads the anterior setting of oiled-plate 2 is partial to spacing breach 14, and when not exerting the restriction, leads oiled-plate 2 anterior still will moderate degree and cross spacing breach 14 partially, when inserting spacing breach 14 with cardboard 24, can utilize the resilience of the elastic formation of leading oiled-plate 2 to make cardboard 24 can insert in spacing breach 14 with the normal force, avoids cardboard 24 to deviate from in spacing breach 14.

The back of the clamping plate 24 is provided with a backward front pin 22 capable of flexibly limiting. The front pin 22 is used for limiting the front end of the oil guide plate 2 in a fixed position and limiting the clamping plate 24 in the limiting notch 14.

As shown in fig. 2, 3 and 5, the front pin 22 is formed by a plurality of elastic pieces 221 with elasticity arranged in a tubular circumferential direction, and a space is formed between adjacent elastic pieces 221. The arrangement is that the front limiting hole 12 can be properly enlarged, the elasticity of the elastic piece 221 is utilized, the front pin 22 can rock for a certain distance in the front limiting hole 12, and the clamping plate 24 is favorably limited in the limiting notch 14 during installation.

The middle part of each elastic sheet 221 of the front pin 22 which is tubular and arranged in the circumferential direction protrudes outwards in the radial direction. The arrangement is that when the front pin 22 swings for a certain distance in the front limiting hole 12, the middle part of each elastic sheet 221 protruding outwards can still contact with the inner wall of the front limiting hole 12.

The above arrangement of the front pin 22 actually provides a good damping effect in addition to the limiting effect.

As shown in fig. 2, 3 and 4, a fixing plate 26 is transversely arranged on the oil guide plate 2 at the front end of the fixing section 21 of the oil guide plate 2, and a rear pin 23 for preventing the oil guide plate from rotating is arranged behind the fixing plate 26. The rear pin 23 is arranged in such a way that the rear pin 23 is inserted into the rear limiting hole 13 on the transmission housing 1 on the inner wall of the rear end of the hollow cavity 3, and the rear limiting hole mainly has the function of limiting the rear end of the oil guide plate 2 and preventing the oil guide plate 2 from rotating.

The back pin 23 is formed by a plurality of elastic second blades 231 which have elasticity and are arranged in a tubular circumferential direction, and a vibration reduction interval is arranged between the adjacent elastic second blades 231. This is arranged to provide the back pin 23 with a certain damping effect.

The above embodiments are only for the purpose of more clearly describing the invention and should not be considered as limiting the scope of protection covered by the invention, any modification of the equivalent should be considered as falling within the scope of protection covered by the invention.

Claims

1. The utility model provides a fixed bolt structure that goes of oil board is led to gearbox lubricating oil which characterized in that: comprises a fixed section (21) which is arranged at the rear end of the oil guide plate (2) and integrated with the oil guide plate (2) and a clamping plate (24) which is transversely arranged at the front part of the oil guide plate (2); the oil guide plate (2) is made of a material capable of enabling the oil guide plate (2) to generate elastic deformation.

2. The transmission lube oil deflection plate attachment de-bolting configuration of claim 1, further comprising: the clamping plate (24) is arranged on the right side of the oil guide plate (2).

3. The transmission lube oil deflector fixed de-bolting configuration of claim 2, wherein: the plate body of the oil guide plate (2) is bent towards the right side to form a rightward deflection angle a.

4. The transmission lube oil deflector fixed de-bolting configuration of claim 3, wherein: and a backward front pin (22) capable of flexibly limiting is arranged behind the clamping plate (24).

5. The transmission lube oil deflector fixed de-bolting configuration of claim 4, wherein: the front pin (22) is formed by a plurality of elastic pieces I (221) with elasticity in a tubular circumferential arrangement mode, and intervals are arranged between every two adjacent elastic pieces I (221).

6. The transmission lube oil deflector fixed de-bolting configuration of claim 5, wherein: the middle parts of the elastic pieces I (221) which are arranged in the tubular circumferential direction of the front pin (22) are all protruded outwards in the radial direction.

7. The transmission lube oil deflection plate attachment de-bolting configuration of claim 1, further comprising: the oil guide plate (2) at the front end of the fixed section (21) of the oil guide plate (2) is provided with a fixed plate (26) which is transversely arranged, and a backward back pin (23) for preventing the oil guide plate from rotating is arranged behind the fixed plate (26).

8. The transmission lube oil deflection plate attachment de-bolting configuration of claim 7, wherein: the back pin (23) is formed by a plurality of elastic second elastic sheets (231) which are arranged in a tubular circumferential direction, and vibration reduction intervals are arranged between the adjacent elastic second sheets (231).