CN217682903U

CN217682903U - Driving gear for gearbox

Info

Publication number: CN217682903U
Application number: CN202222010069.5U
Authority: CN
Inventors: 连广杰; 连卫东
Original assignee: Jiangsu Sulida Gear Co ltd
Current assignee: Jiangsu Sulida Gear Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-10-28
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a driving gear for gearbox, include: the driving shaft is provided with a tooth socket, the outer gear is provided with a mounting ring, and the outer gear is connected with an inner gear through the mounting ring; further comprising: the mounting assembly is used for fixing the outer gear on the inner side of the driving shaft, and the mounting assembly is arranged on the mounting ring and connected with the inner gear; the lubricating assembly is used for lubricating the meshing part of the outer gear, the lubricating assembly is arranged in the inner cavity of the outer gear, the driving gear for the gearbox effectively avoids the problem that the loss speed of the driving gear is reduced when the driving gear is damaged and needs to be replaced, and the practical performance of the transmission is improved.

Description

Driving gear for gearbox

Technical Field

The utility model relates to a gear drive technical field specifically is a driving gear for gearbox.

Background

The speed changing box is a gear box capable of changing transmission ratio and moving direction, and can change the torque, rotating speed and moving direction transferred from driving shaft to driven shaft by means of different working conditions

The existing patent application number is CN201420641631.7 and provides a gearbox middle gear driving gear, and the characteristic that the width of an inverted cone tooth is different is mainly utilized in the patent, so that the gear disengagement between a driven gear and a meshing sleeve can be effectively avoided, and the gearbox performance is more stable. However, for a driving gear with gears on both the outer edge and the inner edge, since the gears are designed integrally, when the gear part on the outer edge or the inner edge is damaged, the whole driving gear needs to be replaced, which results in high maintenance cost. To this end, we propose a drive gear for a gearbox.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a driving gear for gearbox to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a drive gear for a transmission, comprising: the driving shaft is provided with a tooth socket, the outer gear is provided with a mounting ring, and the outer gear is connected with an inner gear through the mounting ring; further comprising: the mounting assembly is used for fixing the outer gear on the inner side of the driving shaft, and the mounting assembly is arranged on the mounting ring and connected with the inner gear; the lubricating assembly is used for lubricating the meshing part of the outer gear, the lubricating assembly is arranged in the inner cavity of the outer gear, the whole driving gear is effectively prevented from being replaced when the driving gear is damaged, the loss speed of the driving gear is reduced, and the practical performance of the lubricating assembly is improved.

Preferably, the mounting assembly comprises a limiting rod connected with the mounting ring, two mounting grooves are formed in the limiting rod, return springs are connected to the two mounting grooves, one ends of the return springs are connected with the inner walls of the mounting grooves, and the other ends of the return springs are connected with limiting pins; still include two spacing holes, two spacing hole runs through and sets up on the internal gear, is favorable to avoiding when the outward flange of driving gear or inward flange gear damage, changes whole driving gear.

Preferably, the lubricating component comprises an oil collecting tank, a plurality of oil inlets, a plurality of oil outlets and a plurality of pushing blocks; the oil collecting groove is formed in the inner cavity of the outer gear; the oil inlets are formed in the outer gear and communicated with the oil collecting groove; the oil outlet grooves are formed between two adjacent convex teeth on the outer gear, and the oil outlet grooves are communicated with the oil collecting groove; the plurality of pushing blocks are respectively arranged in the inner cavities of the plurality of oil outlet grooves, so that the problem that lubricating oil cannot fully enter between the outer gear and the transmission gear is avoided, and the loss speed of the gear is accelerated due to insufficient lubrication.

Preferably, a plurality of lubricating grooves are formed in the internal gear, and two ends of each lubricating groove penetrate through the front side and the inner side of the internal gear respectively, so that the tooth socket and the internal gear are lubricated.

Preferably, the diameters of the two ends of the oil outlet groove are smaller than the diameter of the pushing block, so that the pushing block can be prevented from sliding out of the oil outlet groove.

Preferably, the height of the limiting rod is equal to the thickness difference between the mounting ring and the outer gear, so that the influence on the normal operation of the outer gear is avoided.

Preferably, the limiting block is connected to the limiting pin, and the limiting pin is connected with the reset spring through the limiting block, so that the limiting pin is prevented from being separated from the mounting groove due to the elasticity of the reset spring.

Preferably, the outside of propelling movement piece is provided with a plurality of brushes, the length of brush equals with the distance between the outside of propelling movement piece and the oil groove inner wall, is favorable to clearing up the inner wall of oil groove through the brush, avoids the magazine in the lubricating oil to adhere to on the inner wall of oil groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an inner gear is placed to the inboard at the external gear, then fix the inboard at the external gear with the internal gear through the installation component, thereby avoid traditional driving gear because the integrated design, lead to when the outward flange of driving gear or inward flange gear damage, change whole driving gear, simultaneously through setting up lubricating assembly, when making the synchronous pivoted of external gear and internal gear, lubricating oil can fully enter into between external gear and the drive gear, thereby avoid lubricated not enough to lead to the loss speed of accelerating the gear, when whole setting can effectually avoid needing to change whole driving gear when the driving gear damages, the loss rate of driving gear has been slowed down, its practicality has been improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal gear of the present invention;

fig. 3 is a schematic structural view of the external gear of the present invention;

FIG. 4 is a sectional view of the structure of the stop lever of the present invention;

fig. 5 is a structural sectional view of the external gear of the present invention;

fig. 6 is a schematic diagram of the structure of the pushing block of the present invention.

In the figure: 1-driving shaft; 2-an external gear; 3-gullet; 4-mounting a ring; 5-internal gear; 6-mounting the assembly; 601-a limiting rod; 602-a mounting groove; 603-a return spring; 604-a spacing pin; 6041-stop block; 605-a limiting hole; 7-a lubricating assembly; 701-an oil collecting tank; 702-an oil inlet; 703-oil outlet groove; 704-a push block; 7041-brush; 8-lubricating groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: a drive gear for a transmission, comprising: the gear-type motor comprises a driving shaft 1 and an external gear 2, wherein a tooth socket 3 is arranged on the driving shaft 1, a mounting ring 4 is arranged on the external gear 2, and the external gear 2 is connected with an internal gear 5 through the mounting ring 4; further comprising: the mounting assembly 6 is used for fixing the outer gear 2 on the inner side of the driving shaft 1, and the mounting assembly 6 is arranged on the mounting ring 4 and connected with the inner gear 5; lubricating component 7, lubricating component 7 are used for lubricating the meshing part of external gear 2, and lubricating component 7 sets up in the inner chamber of external gear 2, and wherein, for the convenience lubricates tooth's socket 3 and internal gear 5, seted up a plurality of lubrication groove 8 on the internal gear 5, the front and the inboard of internal gear 5 are run through respectively at the both ends of lubrication groove 8.

The mounting assembly 6 comprises a limiting rod 601 connected with the mounting ring 4, two mounting grooves 602 are formed in the limiting rod 601, return springs 603 are connected to the two mounting grooves 602, one end of each return spring 603 is connected with the inner wall of each mounting groove 602, and a limiting pin 604 is connected to the other end of each return spring 603; the outer gear limiting device further comprises two limiting holes 605, the two limiting holes 605 penetrate through and are arranged on the inner gear 5, wherein in order to avoid influencing the normal work of the outer gear 2, the height of the limiting rod 601 is equal to the thickness difference between the mounting ring 4 and the outer gear 2, in addition, in order to prevent the limiting pin 604 from being separated from the mounting groove 602 due to the elastic force of the return spring 603, a limiting block 6041 is connected to the limiting pin 604, and the limiting pin 604 is connected with the return spring 603 through the limiting block 6041.

Specifically, firstly, press two spacing pins 604 to the inside of the spacing rod 601, make the spacing pin 604 drive the spacing block 6041 of its fixed connection to move, make the spacing block 6041 compress the reset spring 603 of its fixed connection, thereby make the spacing pin 604 enter into the inner chamber of the mounting groove 602 completely, then align two spacing holes 605 on the internal gear 5 with two spacing pins 604 respectively, then place the internal gear 5 on the mounting ring 4 in the external gear 2, when putting in completely, the spacing pin 604 will outwards move because of the elasticity of the reset spring 603 itself, thereby make the spacing pin 604 block the spacing hole 605 of the homonymy, avoid the internal gear 5 to break away from with the external gear 2 because of lacking the restraint during operation, thereby avoid when the external edge or the internal edge gear of the driving gear damages, change the whole driving gear.

Example two

With reference to fig. 5-6, the lubricating assembly 7 includes an oil collecting tank 701, a plurality of oil inlets 702, a plurality of oil outlets 703, and a plurality of pushing blocks 704; the oil collecting groove 701 is formed in the inner cavity of the outer gear 2; a plurality of oil inlets 702 are formed on the outer gear 2 and communicated with the oil collecting tank 701; a plurality of oil outlet grooves 703 are arranged between two adjacent convex teeth on the external gear 2, and the plurality of oil outlet grooves 703 are communicated with the oil collecting groove 701; the plurality of pushing blocks 704 are respectively arranged in the inner cavities of the plurality of oil outlet grooves 703, wherein in order to avoid the pushing blocks 704 from sliding out of the oil outlet grooves 703, the diameters of the two ends of the oil outlet grooves 703 are smaller than the diameter of the pushing blocks 704, in addition, in order to facilitate cleaning of the inner walls of the oil outlet grooves 703, magazines in lubricating oil are prevented from being attached to the inner walls of the oil outlet grooves 703, a plurality of brushes 7041 are arranged on the outer sides of the pushing blocks 704, and the lengths of the brushes 7041 are equal to the distance between the outer sides of the pushing blocks 704 and the inner walls of the oil outlet grooves 703.

Specifically, when the external gear 2 starts to rotate, the lubricating oil in the interior of the gearbox enters the inner cavity of the oil collecting tank 701 through the oil inlet 702, because of the rotation of the external gear 2, the lubricating oil in the inner cavity of the oil collecting tank 701 has centrifugal force, so that the lubricating oil flows to the convex teeth of the external gear 2 through the oil outlet grooves 703, and meanwhile, because the mass of the pushing block 704 in the oil outlet groove 703 is larger than that of the lubricating oil, the self inertia of the pushing block 704 is larger, so that the lubricating oil in the oil outlet groove 703 is pushed out, the lubricating oil flows to the convex teeth of the external gear 2 more quickly, and the loss speed of the gear is accelerated due to insufficient lubrication is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drive gear for a transmission, comprising:

the gear-driven mechanism comprises a driving shaft (1) and an external gear (2), wherein a tooth socket (3) is arranged on the driving shaft (1), a mounting ring (4) is arranged on the external gear (2), and the external gear (2) is connected with an internal gear (5) through the mounting ring (4);

further comprising:

the mounting component (6) is used for fixing the external gear (2) on the inner side of the driving shaft (1), and the mounting component (6) is arranged on the mounting ring (4) and connected with the internal gear (5);

the lubricating component (7) is used for lubricating the meshing part of the external gear (2), and the lubricating component (7) is arranged in the inner cavity of the external gear (2).

2. A drive gear for a transmission as defined in claim 1, wherein: the mounting assembly (6) comprises a limiting rod (601) connected with the mounting ring (4), two mounting grooves (602) are formed in the limiting rod (601), return springs (603) are connected to the two mounting grooves (602), one end of each return spring (603) is connected with the inner wall of each mounting groove (602), and the other end of each return spring (603) is connected with a limiting pin (604);

the gear limiting device further comprises two limiting holes (605), and the two limiting holes (605) penetrate through the inner gear (5).

3. A drive gear for a transmission as defined in claim 1, wherein: the lubricating component (7) comprises an oil collecting tank (701), a plurality of oil inlets (702), a plurality of oil outlets (703) and a plurality of pushing blocks (704);

the oil collecting groove (701) is formed in the inner cavity of the outer gear (2);

the oil inlets (702) are formed in the outer gear (2) and communicated with the oil collecting tank (701);

the oil outlet grooves (703) are formed between two adjacent convex teeth on the outer gear (2), and the oil outlet grooves (703) are communicated with the oil collecting groove (701);

the plurality of pushing blocks (704) are respectively arranged in the inner cavities of the plurality of oil outlet grooves (703).

4. A drive gear for a transmission as defined in claim 1, wherein: a plurality of lubricating grooves (8) are formed in the inner gear (5), and two ends of each lubricating groove (8) penetrate through the front side and the inner side of the inner gear (5) respectively.

5. A drive gear for a transmission as defined in claim 3, wherein: the diameters of both ends of the oil outlet groove (703) are smaller than the diameter of the pushing block (704).

6. A drive gear for a transmission as defined in claim 2, wherein: the height of the limiting rod (601) is equal to the thickness difference between the mounting ring (4) and the outer gear (2).

7. A drive gear for a transmission as defined in claim 2, wherein: the limiting pin (604) is connected with a limiting block (6041), and the limiting pin (604) is connected with the return spring (603) through the limiting block (6041).

8. A drive gear for a transmission as defined in claim 3, wherein: the outer side of the pushing block (704) is provided with a plurality of brushes (7041), and the length of each brush (7041) is equal to the distance between the outer side of the pushing block (704) and the inner wall of the oil outlet groove (703).