CN211343936U

CN211343936U - Basin angle tooth structure of heavy truck drive axle

Info

Publication number: CN211343936U
Application number: CN201922408231.7U
Authority: CN
Inventors: 张正峰
Original assignee: Qingdao Taifeng Jiesheng Technology Co ltd
Current assignee: Qingdao Taifeng Jiesheng Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-25
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to the technical field of gears, and a heavily block transaxle basin angle tooth structure is disclosed. The utility model discloses a driving gear, the driving gear includes flank of tooth and toothholder, driving gear right-hand member fixed connection has the gear shaft, defeated oil pipe has been seted up in driving gear and the gear shaft, the through-hole has all been seted up in the concave surface inslot of flank of tooth, defeated oil pipe and the inside UNICOM of through-hole, the inner wall that the through-hole deviates from defeated oil pipe one end is the conical surface, the ball has been cup jointed in the inside activity of through-hole, and the spring has been cup jointed in the inside activity of through-hole, through defeated oil pipe, the through-hole, the cooperation of spring and ball, when driving gear and driven gear rotate the meshing, can be automatic at gear surface coating lubricating oil, it is convenient fast to oil, follow up with the use, it is lubricated abundant, lead the oil groove through offering at driven gear protrusion flank of.

Description

Basin angle tooth structure of heavy truck drive axle

Technical Field

The utility model relates to the technical field of gears, especially, relate to a heavily block transaxle basin angle tooth structure.

Background

The basin angle teeth are named as driving and driven teeth of the differential mechanism and are divided into two parts, namely a driving gear and a driven gear, the driving gear is connected with a transmission shaft and rotates clockwise, the driven gear is attached to the right side of the driving gear, and a meshing point rotates downwards and is consistent with the advancing direction of wheels. Because the driving gear diameter is little, and driven tooth diameter is big to reach the function of speed reduction, because basin angle tooth during operation load is great, the user need regularly oil reducing wear, life-span is prolonged, but inside the basin angle tooth is located the transaxle, the very trouble of oiling is maintained, waste time, lubricated not enough, and current structure heat dissipation is relatively poor.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the basin corner tooth structure of the heavy truck drive axle has the advantages of being troublesome in maintenance and oiling, time-wasting, insufficient in lubrication, poor in heat dissipation of the existing structure and capable of providing the basin corner tooth structure of the heavy truck drive axle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heavily block transaxle basin angle tooth structure, includes the driving gear, the driving gear includes flank of tooth and toothholder, driving gear right-hand member fixed connection has the gear shaft, the driving gear with defeated oil pipe has been seted up in the gear shaft, the through-hole has all been seted up in the concave surface inslot of flank of tooth, defeated oil pipe and the inside UNICOM of through-hole, the inner wall that the through-hole deviates from defeated oil pipe one end is the conical surface, the ball has been cup jointed in the inside activity of through-hole, and the inside activity of through-hole has cup jointed the spring, the ball with the inner wall of through-.

The driving gear is engaged with a driven gear, and oil guide grooves are formed in the convex tooth surface of the driven gear.

Preferably, the minimum inner diameter of the through hole is smaller than the diameter of the ball, and the diameter of the ball is larger than the aperture of the oil delivery pipe.

Preferably, the tooth surface of the driving gear and the tooth surface of the driven gear are both coated with wear-resistant coatings.

Preferably, the number of teeth of the driven gear is twice the number of teeth of the driving gear.

Preferably, the tooth surface and the tooth holder are welded to each other and have collinear axes.

Preferably, the oil delivery pipe comprises a main oil passage and oil distribution passages which are communicated, the number of the main oil passage is one, the main oil passage is arranged at the position of the axis of the gear shaft, the number of the oil distribution passages is the same as that of the through holes, and the oil distribution passages are in one-to-one correspondence with the through holes and are communicated with the through holes.

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

(1) the utility model discloses a cooperation of defeated oil pipe, through-hole, spring and ball, when driving gear and driven gear rotate the meshing, can be automatic at gear surface coating lubricating oil, it is convenient fast to oil, along with along with last, lubricated abundant.

(2) The utility model discloses an offer at driven gear protrusion flank of tooth and lead the oil groove, with the abundant even water conservancy diversion of the oil in the driving gear on the gear surface, can play the cold radiating effect of oil, improved gear life greatly.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a front sectional view of the driving gear and the gear shaft of the present invention.

In the figure: 1. a driving gear; 101. a tooth surface; 102. a tooth holder; 2. a gear shaft; 3. an oil delivery pipe; 4. a through hole; 5. a ball bearing; 6. a spring; 7. a driven gear; 8. and an oil guide 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a heavy truck drive axle basin angle tooth structure comprises a drive gear 1, the drive gear 1 comprises a tooth surface 101 and a tooth base 102, the tooth surface 101 and the tooth base 102 are welded with each other and have collinear axial leads, the right end of the drive gear 1 is fixedly connected with a gear shaft 2, an oil delivery pipe 3 is arranged in the drive gear 1 and the gear shaft 2, through holes 4 are arranged in concave grooves of the tooth surface 101, the oil delivery pipe 3 is communicated with the inside of the through holes 4, the oil delivery pipe 3 comprises a main oil duct and oil distribution ducts which are communicated, the number of the main oil duct is one, the main oil duct is arranged at the axial lead position of the gear shaft 2, the number of the oil distribution ducts is the same as the number of the through holes 4, the oil distribution ducts are in one-to-one correspondence with the through holes 4 and are communicated, the inner wall of one end of the through holes 4, which is far away from the oil delivery pipe 3, is a, through-hole 4 minimum internal diameter is less than ball 5's diameter, ball 5's diameter is greater than defeated oil pipe 3's aperture, through-hole 3, spring 6 and ball 5's cooperation, when driving gear 1 and driven gear 7 rotate the meshing, can be automatic at gear surface coating lubricating oil, it is convenient fast to oil, along with using along with, it is abundant to lubricate, driving gear 1 meshes has driven gear 7, driven gear 7's the number of teeth is the number of teeth twice of driving gear 1, driven gear 7 protrusion flank of tooth has all been seted up and has been led oil groove 8, flank of tooth 101 of driving gear 1 and driven gear 7's flank of tooth all coats and has been coated with wear-resistant coating, lead oil groove 8 through seting up at driven gear 7 protrusion flank of tooth, with the abundant even water conservancy diversion of oil in the driving gear 1 on the gear surface, can play the radiating effect of oil.

The utility model discloses in, the user uses the device when, defeated oil pipe 3 is connected with outside oil pocket, do not have the during operation, oil pressure and spring 6 are ball 5 roof pressure in the 4 inner wall conical surfaces departments of through-hole, make lubricating oil unable discharge, when during operation gear shaft 2 begins to rotate and drives driving gear 1 and rotate together, rotate simultaneously with driving gear 1 engaged with driven gear 7, driven gear 7's protrusion flank of tooth meshes into driving gear 1's concave surface inslot, and extrude ball 5 inside through-hole 4 completely, lubricating oil coats on driving gear 1 and driven gear 7 protrusion flank of tooth through defeated oil pipe 3 follow through-hole 4 internal output, lubricating oil is guided to whole flank of tooth by driven gear 7 surperficial oil groove 8 water conservancy diversion simultaneously, not only lubricated gear friction reduction, the heat that gear friction produced has still been taken away.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

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.

Claims

1. The utility model provides a heavily block transaxle basin angle tooth structure, includes driving gear (1), its characterized in that: the driving gear (1) comprises a tooth surface (101) and a tooth base (102), a gear shaft (2) is fixedly connected to the right end of the driving gear (1), an oil conveying pipe (3) is arranged in the driving gear (1) and the gear shaft (2), through holes (4) are formed in concave grooves of the tooth surface (101), the oil conveying pipe (3) is communicated with the inside of each through hole (4), the inner wall, away from one end of the oil conveying pipe (3), of each through hole (4) is a conical surface, a ball (5) is movably sleeved in each through hole (4), a spring (6) is movably sleeved in each through hole (4), and the inner walls of the ball (5) and one end of each through hole (4) are fixedly connected with two ends of the spring (6) respectively;

the driving gear (1) is meshed with a driven gear (7), and protruding tooth surfaces of the driven gear (7) are provided with oil guide grooves (8).

2. The heavy truck transaxle basin angle tooth structure of claim 1, wherein: the minimum inner diameter of the through hole (4) is smaller than the diameter of the ball (5), and the diameter of the ball (5) is larger than the aperture of the oil delivery pipe (3).

3. The heavy truck transaxle basin angle tooth structure of claim 1, wherein: the tooth surface (101) of the driving gear (1) and the tooth surface of the driven gear (7) are coated with wear-resistant coatings.

4. The heavy truck transaxle basin angle tooth structure of claim 1, wherein: the number of teeth of the driven gear (7) is twice that of the driving gear (1).

5. The heavy truck transaxle basin angle tooth structure of claim 1, wherein: the tooth surface (101) and the tooth holder (102) are welded to each other and have collinear axes.

6. The heavy truck transaxle basin angle tooth structure of claim 1, wherein: defeated oil pipe (3) are including communicating main oil gallery and branch oil duct, main oil gallery quantity is one, and the main oil gallery is seted up the axial lead position of gear shaft (2), divide oil duct quantity the same with through-hole (4) quantity, and divide the oil duct with through-hole (4) one-to-one corresponds and communicates with each other.