CN116424032A - Driving shaft assembly and automobile - Google Patents

Abstract

The application relates to a driving shaft assembly and an automobile. The driving shaft assembly comprises a driving shaft, a driving shaft shell and an anti-icing protective cover, the driving shaft shell is coated on the outer side of one end of the driving shaft, the anti-icing protective cover is arranged outside the driving shaft shell, and an anti-icing function can be added to the driving shaft in a mode that the anti-icing protective cover is added outside the driving shaft shell; the driving shaft shell is provided with the protective cover outside to form double-layer protection for the driving shaft, so that the protection effect on the driving shaft can be enhanced.

Description

Driveshaft components and automobiles

technical field

The invention relates to the field of automobiles, in particular to a drive shaft assembly and an automobile.

Background technique

In snowy weather or when driving on a snowy road, snow will form at the joint between the drive shaft and the steering knuckle. As the temperature changes, the snow will become ice, and the ice will adhere to the joint between the drive shaft and the steering knuckle. , resulting in the inability to output the torque between the drive shaft and the steering knuckle, causing damage to the drive shaft components; at the same time, ice accumulation and cracking will also cause damage to the drive shaft dust cover and chassis rubber parts.

The dust cover of the existing drive shaft only has a waterproof function, which cannot solve the above-mentioned problems caused by ice accumulation at the joint between the drive shaft and the steering knuckle.

Therefore, it is necessary to provide a new type of drive shaft assembly to solve the above problems.

Contents of the invention

The object of the present invention is to provide a drive shaft assembly with an anti-icing protection cover and a vehicle.

The present invention adopts the following technical solutions: a drive shaft assembly, including: a drive shaft, a drive shaft housing, and an anti-icing protective cover; the drive shaft housing is covered on the outside of one end of the drive shaft; The ice accumulation protective cover is arranged outside the drive shaft housing.

Further, the anti-icing protection cover includes a cover body, and the outer surface of the cover body includes anti-icing material.

Further, the cover body includes a base body and an anti-icing coating disposed outside the base, and the anti-icing coating is a coating with low interface toughness.

Further, a plasticizer is added to the anti-icing coating; the anti-icing coating is processed through a high-temperature curing process; the base of the anti-icing protective cover is formed through a stamping process.

Further, the cover body of the anti-icing protective cover is made of superhydrophobic material.

Further, the anti-icing protective cover and the drive shaft housing are profiled structures, and the anti-icing protective cover is arranged close to the driving shaft housing; The dust-proof cover and the sheath at both ends of the anti-icing protective cover, the anti-icing protective cover, the dust-proof cover and the sheath together cover the drive shaft housing.

Further, the drive shaft housing and the anti-icing protection cover are fixed by clamping; the anti-icing protection cover includes several claws, and the drive shaft casing includes a body and cooperates with several of the claws The card slot; the claw is arranged on the inside of the anti-icing protective cover, and the card slot is arranged on the outside of the drive shaft housing.

Further, the end of the cover body and the body far away from the drive shaft is a small end, and the end adjacent to the drive shaft is a large end; the plurality of claws and the plurality of slots are uniformly arranged on the The small mouth end and the big mouth end.

Further, the drive shaft assembly further includes a clip; the clip fixes the sheath to the end of the drive shaft housing close to the drive shaft; the dust cover is press-fitted on the drive shaft The end of the housing away from the drive shaft.

The present invention provides an automobile, including the above drive shaft assembly.

Compared with the prior art, the drive shaft assembly provided by the present invention can add an anti-icing function on the basis of dust-proofing of the drive shaft housing by installing an anti-icing protective cover on the drive shaft housing; the drive shaft housing It forms a double-layer protective structure with the anti-icing protective cover, which can provide stronger protection for the drive shaft.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the specification.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the specification and together with the description serve to explain the principles of the specification.

Fig. 1 is a perspective view of the drive shaft assembly of the present invention.

Fig. 2 is a cross-sectional view of the drive shaft assembly of the present invention.

Fig. 3 is a cross-sectional view of the anti-icing protection cover of the present invention.

Fig. 4 is a perspective view of the anti-icing protective cover of the present invention.

Fig. 5 is a side view of the anti-icing protective cover of the present invention installed on the drive shaft housing.

Fig. 6 is a cross-sectional view of the anti-icing protective cover of the present invention installed on the drive shaft housing.

Explanation of reference signs: 10, drive shaft; 20, drive shaft housing; 21, body; 22, groove; 23, first part; 24, second part; 25, third part; 30, anti-icing protection Cover; 31. Anti-icing coating; 32. Cover body; 321. Cylindrical part; 322. Round table part; 33. Claw; 50. Sheath; 60. Clamp.

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with this specification. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present specification as recited in the appended claims.

The terminology used in the present invention is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. Unless otherwise defined, the technical terms or scientific terms used in this specification shall have the common meanings understood by those skilled in the art to which the present invention belongs. "First", "second" and similar words used in the specification and claims do not indicate any order, quantity or importance, but are only used to distinguish different components. Likewise, words like "a" or "a" do not denote a limitation of quantity, but rather denote the existence of one. "Multiple" or "several" means two or more. Unless otherwise indicated, terms such as "front", "rear", "lower" and/or "upper" are used for convenience of description only and are not intended to be limiting to a position or orientation in space. "Includes" or "comprises" and similar terms mean that the elements or items listed before "comprises" or "comprises" include the elements or items listed after "comprises" or "comprises" and their equivalents, and do not exclude other elements or objects. Words such as "connected" or "connected" are not limited to physical or mechanical connections, and may include electrical connections, whether direct or indirect.

The terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the present disclosure. As used in this specification and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term "and/or" as used herein refers to and includes any and all possible combinations of one or more of the associated listed items.

Next, the embodiments of this specification will be described in detail.

Referring to FIGS. 1 and 2 , the present invention provides a drive shaft assembly, including: a drive shaft 10 , a drive shaft housing 20 and an anti-icing protection cover 30 . The drive shaft housing 20 covers the outer side of one end of the drive shaft 10 , and serves as a protection component of the drive shaft 10 to protect the drive shaft 10 from dust and the like, thereby ensuring the stability of the drive shaft 10 during operation.

The anti-icing protective cover 30 is disposed outside the drive shaft housing 20 , and together with the drive shaft housing 20 forms a double-layer protective structure, which can simultaneously protect the drive shaft housing 20 and the drive shaft 10 . Moreover, the anti-icing protective cover 30 has an anti-icing function, which can prevent the driving shaft assembly from being damaged by ice accumulating at the drive shaft housing 20 when driving in snowy areas or in snowy weather.

Please refer to FIG. 3 , the outer surface of the anti-icing protection cover 30 of the present application includes anti-icing material, so as to realize the anti-icing function. The anti-icing protective cover 30 can utilize the anti-icing material to form an anti-icing coating on the outer surface of the substrate of the anti-icing protective cover 30; The cover 30 itself has an anti-icing function.

The anti-icing protection cover 30 includes a cover body 32 and a plurality of claws 33 . The cover body 32 includes a base body and an anti-icing coating 31 disposed outside the base body. The anti-icing coating 31 can adopt common coating materials, such as waterproof coating or anti-corrosion coating.

In one embodiment, the anti-icing coating 31 is a coating with low interface toughness. By adding a plasticizer to a general coating material such as a waterproof coating or an anti-corrosion coating, the general coating can have a low interface toughness. The characteristics of toughness, thereby reducing the adhesion between the ice accumulation and the coating, endowing the coating with the effect of anti-icing. In addition, this method can also reduce the coating thickness compared with the general coating. The thickness of the coating is usually 25-100 microns, which is thinner than general coatings; the method is simple, convenient and easy to implement.

The anti-icing coating 31 can also be processed through a high-temperature curing process to improve the adhesion of the anti-icing coating 31 , so that the anti-icing coating 31 can be more firmly attached to the anti-icing protective cover 30 . The base body of the anti-icing protective cover 30 is formed by a stamping process.

In another embodiment, the body of the anti-icing protective cover 30 can be entirely made of superhydrophobic material, which can also make the anti-icing protective cover 30 also have the function of anti-icing.

The anti-icing protective cover 30 and the drive shaft housing 20 are profiled structures, and the anti-icing protective cover 30 is arranged close to the drive shaft housing 20 . The shape of the drive shaft housing 20 and the anti-icing protective cover 30 is the same, and in the illustrated embodiment, the structure of a cylinder plus a rounded platform is adopted.

5 and 6, the drive shaft housing 20 includes a first portion 23 close to the drive shaft 10 and a second portion 24 away from the drive shaft 10. One end of the second portion 24 is connected to the first portion 23, and the second portion 24 is connected to the first portion 23. The other end of the second part 24 is provided with a third part 25 . The first part 23 is cylindrical, and the second part 24 is conical.

Please refer to FIG. 3 , the cover body 32 of the anti-icing protection cover 30 includes a cylindrical portion 321 conforming to the first portion 23 and a circular frustum portion 322 conforming to the second portion 24 .

The advantage of the anti-icing protection cover 30 following the shape of the drive shaft housing 20 is that the anti-icing protection cover 30 can be closely attached to the drive shaft housing 20 after being installed on the drive shaft housing 20, saving space while reducing the space of the entire vehicle. Arrangement is easy to implement.

Please refer to FIG. 2 , FIG. 3 and FIG. 4 , the drive shaft housing 20 and the anti-icing protection cover 30 are completed by a clamping structure. Specifically, the drive shaft housing 20 includes a main body 21 and a slot 22 matched with a plurality of claws 33 . The drive shaft housing 20 and the anti-icing protective cover 30 are engaged with the slot 22 through the claw 33 , so that the anti-icing protective cover 30 is fixed outside the drive shaft housing 20 .

Please refer to FIG. 2 , FIG. 5 and FIG. 6 , the ends of the cover body 32 and the body 21 away from the drive shaft 10 are both small-mouth ends, and the ends adjacent to the drive shaft 10 are both large-mouth ends. A plurality of claws 33 and a plurality of slots 22 are evenly arranged on the small opening end and the large opening end. In this embodiment, the number of claws 33 is six, including three small-end claws 331 arranged at the small-mouth end of the anti-icing protective cover 30 and three large-mouth-end claws 332 arranged at the large-mouth end of the anti-icing protective cover 30 . The number of slots 22 corresponds to the number of claws 33 , which is also 6, including 3 slots at the small end of the drive shaft housing 20 and 3 slots at the large end of the drive shaft housing 20 .

The claws 331 at the small opening and the claws 332 at the large opening are spaced apart by 120°, and are evenly arranged in the circumferential direction of the small opening and the large opening of the anti-icing protective cover 30 . The locking groove 22 is provided correspondingly to the locking claw 33 , which can ensure the stability of the locking of the drive shaft housing 20 and the anti-icing protective cover 30 as much as possible.

The drive shaft housing 20 is also provided with a dust cover 40 and a sheath 50 respectively located at both ends of the anti-icing protective cover 30, and the anti-icing protective cover 30, the dust cover 40 and the sheath 50 jointly cover the drive shaft housing 20. The drive shaft assembly further includes a clip 60 , which fixes the sheath 50 to an end of the drive shaft housing 20 close to the drive shaft 10 . The dust cover 40 is press-fitted on an end of the drive shaft casing 20 away from the drive shaft 10 . The anti-icing protective cover 30 together with the dust cover 40 and the sheath 50 forms an outer protective cover for protecting the drive shaft housing 20 .

A dust cover 40 and a sheath 50 are provided at both ends of the anti-icing protective cover 30 to ensure that the anti-icing protective cover 30 is tightly fixed on the outside of the drive shaft housing 20 without relative displacement. Moreover, the dust cover 40 and the sheath 50 can protect the two ends and the outer parts of the drive shaft housing 20 located at the anti-icing protective cover 30 . At the same time, the three-piece outer protective cover design, compared with one-piece molding, has a simpler and more convenient mold design to meet industrial needs.

The present invention also provides an automobile, which includes the above drive shaft assembly.

Compared with the prior art, the drive shaft assembly provided by the present invention installs the anti-icing protective cover 30 on the drive shaft housing 20 and includes anti-icing material on the outer surface of the cover body 32 of the anti-icing protective cover 30 , reduce the adhesion between the ice accumulation and the cover body 32, and have a better anti-icing effect. In addition, the drive shaft housing 20 and the anti-icing protection cover 30 can form a double-layer protective structure, which can provide a stronger protection function for the drive shaft.

It should be understood that this specification is not limited to the precise constructions which have been described above and shown in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the specification is limited only by the appended claims.

The above descriptions are only preferred embodiments of this specification, and are not intended to limit this specification. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this specification shall be included in this specification. within the scope of protection.

Claims (10)

1. A drive shaft assembly, comprising: a driving shaft, a driving shaft shell and an anti-icing protective cover; the driving shaft shell is coated on the outer side of one end of the driving shaft; the anti-icing protective cover is covered outside the driving shaft shell.

2. The drive shaft assembly of claim 1, wherein the ice accumulation protection cover comprises a cover body, an outer surface of the cover body comprising an ice accumulation protection material.

3. The drive shaft assembly of claim 2, wherein the cover includes a base and an anti-icing coating disposed outside the base, the anti-icing coating being a low interfacial toughness coating.

4. The drive shaft assembly of claim 3, wherein the anti-icing coating has a plasticizer added thereto; the anti-icing coating is processed through a high-temperature curing process; the matrix of the anti-icing protective cover is formed through a stamping process.

5. The drive shaft assembly of claim 2, wherein the cover of the ice accumulation prevention protective cover is made of a super-hydrophobic material.

6. The drive shaft assembly of claim 1, wherein the ice accumulation protection shield and the drive shaft housing are contoured, the ice accumulation protection shield being disposed proximate the drive shaft housing; the anti-icing protection cover, the dust cover and the sheath are arranged outside the driving shaft shell and are respectively positioned at two ends of the anti-icing protection cover, and the driving shaft shell is jointly covered by the anti-icing protection cover, the dust cover and the sheath.

7. The drive shaft assembly of claim 3, wherein the drive shaft housing is secured to the ice accumulation protection shield by a snap fit; the anti-icing protective cover comprises a plurality of clamping claws, and the driving shaft shell comprises a body and clamping grooves matched with the clamping claws; the claw is arranged on the inner side of the anti-icing protective cover, and the clamping groove is arranged on the outer side of the driving shaft shell.

8. The drive shaft assembly of claim 7, wherein the end of the housing and the body distal from the drive shaft are both small mouth ends and the end proximal to the drive shaft is both large mouth ends; the clamping claws and the clamping grooves are uniformly arranged at the small opening end and the large opening end.

9. The drive shaft assembly of claim 6, further comprising a clip; the clamp is used for fixing the sheath to one end of the driving shaft shell, which is close to the driving shaft; the dust cover is pressed on one end of the driving shaft shell far away from the driving shaft.

10. An automobile comprising a drive shaft assembly according to any one of claims 1 to 9.

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