CN215805861U - Transmission shaft assembly and all-terrain vehicle - Google Patents

Abstract

The utility model discloses a transmission shaft assembly and an all-terrain vehicle, wherein the transmission shaft assembly comprises: a drive shaft; a rzeppa universal joint, the rzeppa universal joint comprising: the ball cage assembly is arranged in the shell and connected with the end part of the transmission shaft, one end of the dust cover is sleeved on the shell, and the other end of the dust cover is connected to the transmission shaft; the safety cover is connected between the shell and the transmission shaft and covers the outer side of the dust cover. From this, through set up the safety cover in the outside of dust cover, can separate the dust cover with the external world to can avoid all terrain vehicle under the circumstances such as gravel and sand road, outdoor cross country, because dust, hard grains of sand splash and damage the fish tail dust cover, lead to transmission shaft assembly oil leak, high temperature and take place wearing and tearing, can guarantee all terrain vehicle driven uniformity and security, thereby can improve all terrain vehicle's reliability.

Description

Transmission shaft assembly and all-terrain vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a transmission shaft assembly and an all-terrain vehicle.

Background

With the development of economy, all-terrain vehicles are gradually recognized by people with good trafficability and driving interest, and gradually enter people's lives.

In the related art, the transmission shaft assembly on the all-terrain vehicle is provided with the dust cover to prevent foreign objects from entering the universal joint of the transmission shaft assembly, so that the performance of the transmission shaft assembly is improved. However, when the all-terrain vehicle encounters a complex road condition and runs at a high speed, the dust cover on the transmission shaft assembly is exposed outside, and the transmission shaft assembly is not provided with a structure for protecting the dust cover, so that foreign objects such as hard particles can splash and scratch the dust cover to damage the dust cover, and after the foreign objects such as the hard particles scratch the dust cover and enter the transmission shaft assembly, oil leakage, over-high temperature, abrasion and the like in the transmission shaft assembly can be caused, and the performance and the safety of the all-terrain vehicle can be reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a propeller shaft assembly, which can effectively protect a dust cover from being scratched by splashing of foreign objects, and can improve the reliability of the propeller shaft assembly.

The utility model further provides an all-terrain vehicle.

The transmission shaft assembly according to the present invention comprises: a drive shaft; a rzeppa joint, the rzeppa joint comprising: the ball cage assembly is arranged in the shell and connected with the end part of the transmission shaft, one end of the dust cover is sleeved on the shell, and the other end of the dust cover is connected to the transmission shaft; a protective cover connected to the housing and between the transmission shafts and covering the outside of the dust cover.

From this, through set up the safety cover in the outside of dust cover, can separate the dust cover with the external world to can avoid all terrain vehicle under the circumstances such as gravel and sand road, outdoor cross country, because dust, hard grains of sand splash and damage the fish tail dust cover, lead to transmission shaft assembly oil leak, high temperature and take place wearing and tearing, can guarantee all terrain vehicle driven uniformity and security, thereby can improve all terrain vehicle's reliability.

In some examples of the utility model, the protective cover comprises: the dustproof cover comprises a cover body and mounting ends, wherein the cover body covers the outer side of the dustproof cover, the mounting ends are connected to two ends of the cover body respectively, and the mounting ends are mounted on the shell and the transmission shaft respectively.

In some examples of the utility model, the shroud is configured in a frusto-conical shape of decreasing cross-sectional area in an axial direction away from the housing.

In some examples of the present invention, the mounting end includes a connecting portion and a mounting portion, the connecting portion is connected to an end of the cover body and is bent toward a radial inner side, the mounting portion is connected to the connecting portion and is bent toward an outer side of the cover body, and the mounting portion is sleeved on an outer periphery of the housing or the transmission shaft.

In some examples of the utility model, the driveshaft assembly further comprises: the clamp, the clamp cover is established the outside of installation end, in order to incite somebody to action the installation end is fixed the transmission shaft or on the shell.

In some examples of the present invention, the protective cover is provided with through holes to configure a mesh structure.

In some examples of the present invention, the ball-type joint includes an inner ball-type joint and an outer ball-type joint, the outer ball-type joint and the inner ball-type joint are respectively disposed at both ends of the transmission shaft, and the two protective covers are respectively disposed at outer sides of the dust covers corresponding to the outer ball-type joint and the inner ball-type joint.

In some examples of the utility model, the two protective covers are identical in structure and are symmetrically arranged about a midpoint of the drive shaft.

In some examples of the utility model, the dust shield is a deformable telescoping shield.

An all-terrain vehicle according to the utility model comprises: the transmission shaft assembly described above.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a driveshaft assembly according to an embodiment of this invention.

Reference numerals:

100-a drive shaft assembly;

10-a transmission shaft;

20-a rzeppa universal joint; 201-a housing; 202-a ball cage assembly; 203-a dust cover; 21-inner ball cage type universal joint;

22-an outer ball cage gimbal;

30-a protective cover; 301-a housing; 302-a mounting end; 3021-a linker; 3022-an installation part; 31-clamp.

Detailed Description

Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.

A propeller shaft assembly 100 according to an embodiment of the present invention will be described below with reference to fig. 1, and the propeller shaft assembly 100 may be applied to an all-terrain vehicle.

As shown in fig. 1, a propeller shaft assembly 100 according to an embodiment of the present invention may mainly include: a drive shaft 10, a rzeppa joint 20 and a protective cover 30, wherein the rzeppa joint 20 may mainly comprise: a housing 201, a cage assembly 202 and a dust cover 203. Specifically, the cage assembly 202 is connected to the end of the drive shaft 10, receives power from the engine transmission and outputs it to the wheel sections via the drive shaft 10, and accommodates angular changes caused by steering and running vibrations of the atv.

Further, the outer shell 201 is disposed outside the cage assembly 202, and performs an integrating and protecting function on the cage assembly 202. The transmission shaft 10 is used in cooperation with the ball cage assembly 202, the dust cover 203 is provided with one end sleeved on the outer shell 201, the other end is connected to the transmission shaft 10, and the ball cage assembly 202 can be isolated from the outside, so that the ball cage assembly 202 can be prevented from being damaged by impact of external foreign matters or external force, the lubricating grease on the ball cage assembly 202 can be prevented from leaking and the like, and the abrasion speed of the ball cage universal joint 20 can be reduced.

However, in harsh environments, the dust cover 203 may be at risk of scratching, which may reduce the reliability of the propeller shaft assembly 100 and thus the all-terrain vehicle.

Therefore, the protective cover 30 is connected between the housing 201 and the propeller shaft 10, and is disposed outside the dust cover 203. Specifically, the protection cover 30 is covered on the outer side of the dust cover 203, so that the dust cover 203 can be separated from the outside, and the protection cover 30 can shield and protect the dust cover 203, and thus, when the all-terrain vehicle encounters a complex road condition, for example: when hard particles on the road surface splash to impact the transmission shaft assembly 100, the protective cover 30 can effectively separate the hard particles from the dust cover 203, and the hard particles are prevented from scratching and damaging the dust cover 203 under high-speed splashing, so that oil leakage, over-high temperature, abrasion and the like in the transmission shaft assembly 100 are caused, and the reliability of the transmission shaft assembly 100 can be improved.

According to some embodiments of the present invention, as shown in connection with fig. 1, the protective cover 30 may mainly include a cover body 301 and a mounting end 302. Specifically, the cover 301 covers the dust cover 203, so as to shield and protect the dust cover 203 and reduce the damage of foreign objects to the dust cover 203.

Further, the mounting ends 302 are respectively connected to two ends of the cover body 301, and the mounting ends 302 at two ends of the cover body 301 are respectively connected and fixed with the shell 201 and the transmission shaft 10, so that the mounting arrangement of the protection cover 30 on the transmission shaft assembly 100 is more stable and firmer, the stress at two ends of the protection cover 30 is more uniform, and the reliability of the protection cover 30 can be further improved.

Further, the cover 301 is configured in a frustoconical shape with a decreasing cross-sectional area in an axial direction away from the housing 201. Specifically, due to the requirement of the process design of the dust cover 203, the cross-sectional area of the dust cover 203 needs to be gradually reduced in the axial direction away from the housing 201, and therefore, in the axial direction away from the housing 201, the cover body 301 is configured into a truncated cone shape with a decreasing cross-sectional area, on one hand, on the premise that enough space is reserved in the protection cover 30 to accommodate the dust cover 203, the protection cover 30 can be set in compliance with the shape of the dust cover 203, the structural design of the transmission shaft assembly 100 can be made more compact, the volume of the transmission shaft assembly 100 can be reduced to a certain extent, on the other hand, the dust cover 203 and the protection cover 30 can be ensured to be spaced apart from each other, the dust cover 203 and the protection cover 30 can be prevented from influencing each other, and the structural independence of the dust cover 203 and the protection cover 30 can be improved.

As shown in fig. 1, the mounting end 302 may mainly include a connecting portion 3021 and a mounting portion 3022, and the connecting portion 3021 is connected to an end portion of the cover 301 and is bent toward the radial inner side. Specifically, the connecting portion 3021 is connected to an end portion of the cover 301 and is bent toward the radial inner side, so that the connecting portion 3021 can support the cover 301, a space between the cover 301 and the dust cover 203 can be maintained, the dust cover 203 and the protective cover 30 can be further prevented from being affected by each other, and the structural design of the protective cover 30 can be optimized.

Further, as shown in fig. 1, the mounting portion 3022 is connected to the connecting portion 3021, and is bent toward the outer side of the cover body, the mounting portion 3022 is sleeved on the outer periphery of the housing 201 or the transmission shaft 10, so that the mounting portion 3022 can be attached to the surface of the housing 201 or the transmission shaft 10, when the mounting portion 3022 is connected to the housing 201 or the transmission shaft 10, the stability and firmness of the mounting arrangement of the mounting portion 3022 on the housing 201 or the transmission shaft 10 can be improved, and the mounting arrangement of the mounting portion 3022 on the housing 201 or the transmission shaft 10 can be facilitated, so that the reliability of the mounting arrangement of the protection cover 30 on the transmission shaft assembly 100 can be improved.

Further, as shown in fig. 1, the propeller shaft assembly 100 may further mainly include: and the clamp 31, wherein the clamp 31 is sleeved outside the mounting end 302 to fix the mounting end 302 on the transmission shaft 10 or the shell 201. Specifically, because the installation end 302 of safety cover 30 and the parallel laminating setting in surface of transmission shaft 10 or shell 201, so directly establish the clamp 31 in the installation end 302 outside, through adjusting the diameter of clamp 31, can directly fix the installation end 302 on shell 201 or transmission shaft 10 with tightly binding, not only can make things convenient for the installation setting of installation end 302 on transmission shaft 10 and shell 201 like this, thereby can reduce the degree of difficulty that safety cover 30 installed the setting on transmission shaft 10 and shell 201, and can also further promote the stability and the fastness that installation end 302 installed the setting on transmission shaft 10 and shell 201.

According to an embodiment of the present invention, as shown in fig. 1, the protective cover 30 is provided with through holes to construct a net structure. Specifically, through set up the through-hole on protecting cover 30, make protecting cover 30 construct into network structure, so, when protecting cover 30 plays reliable guard action to dust cover 203, not only can make protecting cover 30 more lightweight, but also can make protecting cover 30 more ventilative, can make things convenient for transmission shaft assembly 100's heat dissipation to can further promote transmission shaft assembly 100's reliability. It should be noted that the protective cover 30 may be made of a material with high strength, such as: the protective cover 30 may be a mesh structure made of steel, including but not limited to, which will not be described herein, so as to ensure the structural strength of the protective cover 30, and thus further improve the performance of the protective cover 30.

According to an embodiment of the present invention, as shown in fig. 1, the birfield joint 20 may mainly include an inner birfield joint 21 and an outer birfield joint 22, the outer birfield joint 22 and the inner birfield joint 21 are respectively disposed at both ends of the propeller shaft 10, and the two protective covers 30 are respectively disposed outside the dust covers 203 of the outer birfield joint 22 and the inner birfield joint 21. Specifically, the outer ball-and-socket joint 22 and the inner ball-and-socket joint 21 are respectively disposed at both ends of the transmission shaft 10, so that the transmission efficiency and the transmission smoothness of the transmission shaft 10 can be improved. Further, compare in setting up a great safety cover corresponding with two dust covers simultaneously, it is corresponding with the dust cover 203 of interior rzeppa universal joint 21 with the outer rzeppa universal joint 22 at transmission shaft 10 both ends respectively through setting up two safety covers 30, not only can further reduce the shared space of safety cover 30, and when outer rzeppa universal joint 22 and one in the interior rzeppa universal joint 21 broke down, only need dismantle the safety cover 30 that outer rzeppa universal joint 22 or interior rzeppa universal joint 21 that broke down correspond, alright maintain it, can promote the independence of outer rzeppa universal joint 22 and interior rzeppa universal joint 21 like this, can convenience of customers uses the maintenance to transmission shaft assembly 100.

Further, as shown in fig. 1, the two protection covers 30 have the same structure and are symmetrically disposed about the midpoint of the propeller shaft 10. Specifically, the two protection covers 30 have the same structure, which not only facilitates the production and manufacture of the protection covers 30, but also enables the two protection covers 30 to be mounted on the transmission shaft assembly 100 in the same manner, thereby improving the production efficiency of the transmission shaft assembly 100. Further, the two protection covers 30 are symmetrically arranged about the midpoint of the transmission shaft 10, so that the weight distribution of the transmission shaft assembly 100 can be more uniform to some extent, and the transmission reliability of the transmission shaft assembly 100 can be improved.

In accordance with one embodiment of the present invention, as shown in connection with FIG. 1, dust shield 203 is a flexible telescoping shield. Specifically, when the all-terrain vehicle is steered during traveling and the angle caused by vibration generated by uneven ground is changed, the dust cover 203 can be correspondingly stretched and deformed according to the rotation condition of the rzeppa universal joint 20, so that the dust cover 203 can prevent the dust cover 203 from obstructing the rotation of the rzeppa universal joint 20 while playing a reliable dustproof role for the rzeppa universal joint 20, and the reliability of the dust cover 203 can be further improved. It should be noted that the dust cover 203 may be a rubber dust cover, but is not limited thereto.

An all-terrain vehicle according to an embodiment of the present invention may generally include the driveshaft assembly 100 described above. In particular, the transmission shaft assembly 100 is applied to all-terrain vehicles, which not only can satisfy the stable running of all-terrain vehicles under normal ground conditions, but also can satisfy the following requirements on complex roads, such as: under the driving environment of gravel roads and outdoor cross-country, the dust cover 203 can be effectively prevented from being splashed or scratched by foreign matters, the service life of the dust cover 203 can be prolonged, and the reliability of the all-terrain vehicle is improved.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A driveshaft assembly, comprising:

a drive shaft;

a rzeppa joint, the rzeppa joint comprising: the ball cage assembly is arranged in the shell and connected with the end part of the transmission shaft, one end of the dust cover is sleeved on the shell, and the other end of the dust cover is connected to the transmission shaft;

a protective cover connected to the housing and between the transmission shafts and covering the outside of the dust cover.

2. The driveshaft assembly of claim 1, wherein the protective cover comprises: the dustproof cover comprises a cover body and mounting ends, wherein the cover body covers the outer side of the dustproof cover, the mounting ends are connected to two ends of the cover body respectively, and the mounting ends are mounted on the shell and the transmission shaft respectively.

3. The driveshaft assembly according to claim 2, wherein the cover is configured in a frustoconical shape with a decreasing cross-sectional area in an axial direction away from the housing.

4. The transmission shaft assembly according to claim 2, wherein the mounting end includes a connecting portion and a mounting portion, the connecting portion is connected to the end portion of the cover body and is bent toward a radial inner side, the mounting portion is connected to the connecting portion and is bent toward an outer side of the cover body, and the mounting portion is sleeved on the outer shell or the outer periphery of the transmission shaft.

5. The driveshaft assembly of claim 2, further comprising: the clamp, the clamp cover is established the outside of installation end, in order to incite somebody to action the installation end is fixed the transmission shaft or on the shell.

6. The driveshaft assembly of claim 1, wherein the protective cover is provided with through holes configured as a mesh structure.

7. A driveshaft assembly according to claim 1, wherein said rzeppa joint comprises an inner rzeppa joint and an outer rzeppa joint, said outer rzeppa joint and said inner rzeppa joint being respectively provided at both ends of said driveshaft, and said protective covers are two and respectively provided correspondingly at outer sides of said dust covers corresponding to said outer rzeppa joint and said inner rzeppa joint.

8. The driveshaft assembly of claim 7, wherein the two protective covers are identical in construction and are symmetrically disposed about a midpoint of the driveshaft.

9. The propshaft assembly of claim 1, wherein the dust shield is a deformable telescoping shield.

10. An all-terrain vehicle, comprising: the driveshaft assembly of any one of claims 1-9.

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