CN208778638U - A kind of automobile axle shaft gear - Google Patents

Abstract

The utility model discloses a kind of automobile axle shaft gears, including wheel shaft and wheel body, the axle interior offers oil-way, the axle interior offers several annular oil grooves, the annular oil groove and oil-way are interconnected, the wheel body is fixedly mounted at the top of wheel shaft, coaxial internal spline axis hole is offered inside the wheel shaft and wheel body, external gear teeth is fixedly installed at the top of the wheel body, the foreign steamer tooth surface offers fuel feed hole, the fuel feed hole is connected to oil-way, the wheel body and wheel shaft connection place offer a circle arc groove, the internal spline axis hole is embedded with seal member at the aperture of external gear teeth, circle is fixedly installed inside the seal member.The utility model structure is simple, easy to use, by setting oil-way and annular oil groove, effectively lubricating oil is injected into axle interior is arrived, greatly improves lubricant effect, effectively avoids internal lubrication oil spill by setting seal member and go out.

Description

A kind of automobile axle shaft gear

Technical field

The utility model relates to mechanical equipment technical field, specially a kind of automobile axle shaft gear.

Background technique

Axle shaft gear is a kind of bevel gear, is the important component of formed automobile differential mechanism, and structure is to bore tooth outwardly, between two parties Built-in spline axis hole.Gear built in automobile differential needs good lubricant environment, in order to prevent the lubricating oil in differential mechanism Excessive, each output end is equipped with corresponding sealing structure.

Existing axle shaft gear exists following insufficient:

1, most of half gear shaft can all increase the gap of internal spline axis hole and the cooperation of matched splined shaft, but in this way Oil spilling phenomenon can occur, built-in lubricating oil is easily overflowed from fit clearance during operating, and periphery building ring can be polluted by continuing oil spilling Border deteriorates the operating status of automobile differential；

2, some axle shaft gears sold in the market are connect, to reach good biography with bearing by internal spline axis hole Dynamic effect, but internal spline axis hole and bearing can generate biggish friction in running, if not good Oil Guide mechanism, holds very much Biggish noise can also be generated simultaneously by easily breaking down.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of automobile axle shaft gear Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of automobile axle shaft gear, including wheel shaft With wheel body, the axle interior offers oil-way, and the axle interior offers several annular oil grooves, the annular oil groove It is interconnected with oil-way, the wheel body is fixedly mounted at the top of wheel shaft, is offered inside the wheel shaft and wheel body coaxial Internal spline axis hole, the wheel body top are fixedly installed external gear teeth, and the foreign steamer tooth surface offers fuel feed hole, the fuel feed hole It is connected to oil-way, the wheel body and wheel shaft connection place offer a circle arc groove, and the internal spline axis hole is close to external gear teeth Aperture at be embedded with seal member, circle is fixedly installed inside the seal member, the upper circle bottom is fixedly installed with Lower circle is mutually fastened between the Shang Quan and lower circle by card slot, and the bottom of the upper circle is fixedly installed with tensioner convex block, described The upper surface of lower circle offers tensioner slot.

Preferably, the junction of the Shang Quan and lower circle is provided with Seal Oil, and the Seal Oil is silicone oil lubricating grease.

Preferably, the tensioner convex block and tensioner slot are semicircular structure, the tensioner convex block and tensioner slot mutual Match.

Preferably, the external gear teeth and wheel body junction are fixedly installed reinforcement part, and the reinforcement part is reinforcing rib material.

Preferably, the fuel feed hole is opened in the tooth paddy of external gear teeth, and the fuel feed hole is at least arranged two.

Compared with prior art, the utility model has the beneficial effects that

1, the utility model is fixedly installed with lower circle by being fixedly installed upper circle, upper circle bottom inside seal member, It is mutually fastened between Shang Quan and lower circle by card slot, the bottom of upper circle is fixedly installed with tensioner convex block, and the upper surface of lower circle opens up There is tensioner slot, is effectively playing sealing in this way, is being reduced or avoided at aperture of the lubricating oil from internal spline axis hole close to external gear teeth While oil spilling, axle shaft gear is also prevented because of internal spline axis hole and splined shaft clearance fit, has occurred in high-revolving situation Circular runout and leads to the problem of vibration, greatly improves the stability that axle shaft gear is driven in this way and also reduce noise；

2, the utility model also offers oil-way in axle interior simultaneously, and axle interior offers several annular oil Slot, annular oil groove and oil-way are interconnected, and foreign steamer tooth surface offers fuel feed hole, and fuel feed hole is connected to oil-way, this Sample effectively improves the lubricant effect inside an axle shaft gear, while also being stored by oil-way to lubricating oil, in this way may be used Can also be lubricated under special circumstances, whole lubricant effect is greatly improved.

Detailed description of the invention

Fig. 1 is a kind of automobile axle shaft gear overall structure diagram of the utility model；

Fig. 2 is the cross-sectional view of axle shaft gear in a kind of automobile axle shaft gear of the utility model；

Fig. 3 is the top view of seal member in a kind of automobile axle shaft gear of the utility model；

Fig. 4 is the cross-sectional view of seal member in a kind of automobile axle shaft gear of the utility model.

In figure: 1, wheel shaft；2, wheel body；3, oil-way；4, annular oil groove；5, internal spline axis hole；6, external gear teeth；7, oil inlet Hole；8, arc groove is enclosed；9, seal member；10, upper circle；11, lower circle；12, card slot；13, tensioner convex block；14, tensioner slot；15, close Oil sealing；16, reinforcement part.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of automobile axle shaft gear, including wheel shaft 1 with Wheel body 2 offers oil-way 3 inside the wheel shaft 1, several annular oil grooves 4, the annular is offered inside the wheel shaft 1 Oil groove 4 and oil-way 3 are interconnected, and the wheel body 2 is fixedly mounted on 1 top of wheel shaft, open inside the wheel shaft 1 and wheel body 2 Equipped with coaxial internal spline axis hole 5, be fixedly installed external gear teeth 6 at the top of the wheel body 2,6 surface of external gear teeth offer into Oilhole 7, the fuel feed hole 7 are connected to oil-way 3, and the wheel body 2 offers a circle arc groove 8 with 1 junction of wheel shaft, described Internal spline axis hole 5 is embedded with seal member 9 at the aperture of external gear teeth 6, is fixedly installed circle inside the seal member 9 10,10 bottoms of the upper circle are fixedly installed with lower circle 11, are mutually fastened between the upper circle 10 and lower circle 11 by card slot 12, institute The bottom for stating circle 10 is fixedly installed with tensioner convex block 13, and the upper surface of the lower circle 11 offers tensioner slot 14.

The junction of the upper circle 10 and lower circle 11 is provided with Seal Oil 15, and the Seal Oil 15 is silicone oil lubricating grease, rises To good sealing effect；The tensioner convex block 13 and tensioner slot 14 are semicircular structure, the tensioner convex block 13 and tensioner Slot 14 is mutually matched, and helps to improve leakproofness；The external gear teeth 6 is fixedly installed reinforcement part 16 with 2 junction of wheel body, described Reinforcement part 16 is reinforcing rib material, plays good fixed effect；The fuel feed hole 7 is opened in the tooth paddy of external gear teeth 6, described Fuel feed hole 7 is at least arranged two, convenient for the entrance of lubricating oil.

Working principle: the utility model when in use, by fuel feed hole 7 send lubricating oil to oil-way 3, due to ring Shape oil groove 4 is connected to oil-way 3, so that lubricating oil is lubricated axle shaft gear inside by annular oil groove 4, in this way Lubricant effect is effectively raised, by being embedded with seal member 9 at the aperture of external gear teeth 6 in female splined shaft hole 5, in this way Effectively while playing sealing, lubricating oil is reduced or avoided from the oil spilling at the aperture of external gear teeth 6 of internal spline axis hole 5, Also prevented axle shaft gear because of internal spline axis hole 5 and splined shaft clearance fit, occur in high-revolving situation circular runout and Vibration is led to the problem of, the stability for greatly improving axle shaft gear transmission in this way also reduces noise, also avoids simultaneously Pollution of the oil spilling to periphery working environment, deteriorates the operating status of automobile differential.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of automobile axle shaft gear, including wheel shaft (1) and wheel body (2), it is characterised in that: opened up inside the wheel shaft (1) Have oil-way (3), is offered several annular oil grooves (4) inside the wheel shaft (1), the annular oil groove (4) and oil-way (3) it is interconnected, the wheel body (2) is fixedly mounted at the top of wheel shaft (1), offers inside the wheel shaft (1) and wheel body (2) same The internal spline axis hole (5) of axis, wheel body (2) top are fixedly installed external gear teeth (6), and external gear teeth (6) surface offers Fuel feed hole (7), the fuel feed hole (7) are connected to oil-way (3), and the wheel body (2) and wheel shaft (1) junction offer a circle Arc groove (8), the internal spline axis hole (5) are embedded with seal member (9), the sealing at the aperture of external gear teeth (6) Is fixedly installed circle (10) inside part (9), described upper circle (10) bottom is fixedly installed with lower circle (11), the upper circle (10) and It is mutually fastened between lower circle (11) by card slot (12), the bottom of the upper circle (10) is fixedly installed with tensioner convex block (13), institute The upper surface for stating lower circle (11) offers tensioner slot (14).

2. a kind of automobile axle shaft gear according to claim 1, it is characterised in that: upper circle (10) He Xiaquan (11) Junction be provided with Seal Oil (15), the Seal Oil (15) be silicone oil lubricating grease.

3. a kind of automobile axle shaft gear according to claim 1, it is characterised in that: the tensioner convex block (13) and tensioner Slot (14) is semicircular structure, and the tensioner convex block (13) and tensioner slot (14) are mutually matched.

4. a kind of automobile axle shaft gear according to claim 1, it is characterised in that: the external gear teeth (6) and wheel body (2) Junction is fixedly installed reinforcement part (16), and the reinforcement part (16) is reinforcing rib material.

5. a kind of automobile axle shaft gear according to claim 1, it is characterised in that: the fuel feed hole (7) is opened in outer In the tooth paddy of the gear teeth (6), the fuel feed hole (7) is at least arranged two.