CN216401538U - Dirt proof boot and car - Google Patents
Dirt proof boot and car Download PDFInfo
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- CN216401538U CN216401538U CN202220018405.8U CN202220018405U CN216401538U CN 216401538 U CN216401538 U CN 216401538U CN 202220018405 U CN202220018405 U CN 202220018405U CN 216401538 U CN216401538 U CN 216401538U
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- oil storage
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- steering shaft
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Abstract
The utility model discloses a dustproof sleeve and an automobile, wherein the dustproof sleeve is used for the automobile, the automobile comprises a steering shaft, the dustproof sleeve is provided with a through hole, and the steering shaft penetrates through the through hole; the dirt proof boot includes along the oil storage section, deformation section and the support section that the axial connects gradually, the oil storage section is equipped with the oil storage tank, just the oil storage tank with the through-hole intercommunication. The technical scheme of the utility model solves the problem of interference and abnormal sound of the steering shaft in the application of the whole vehicle, improves the NVH performance of the whole vehicle and further improves the satisfaction degree of users.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to a dustproof sleeve and an automobile.
Background
With the improvement of the technical level and the processing technology, the requirements of customers on the sealing performance and NVH (noise, Vibration and Harshness) performance of the whole automobile are higher and higher, and the dustproof sleeve is one of important parts of the automobile steering system and plays important roles of dust prevention, noise prevention, water prevention and the like. However, when the conventional dust-proof sleeve and the steering shaft are assembled, if the conventional dust-proof sleeve and the steering shaft are not assembled according to a design angle, the dust-proof sleeve and the steering shaft are subjected to interference friction, the dust-proof sleeve and the steering shaft are subjected to long-time friction, the dust-proof sleeve is easily subjected to abrasion abnormal sound, and the NVH performance target can not be met by the conventional dust-proof sleeve and the steering shaft due to the fact that the dust-proof sleeve sends the abnormal sound.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a dustproof sleeve, and aims to solve the problem of interference and abnormal sound of a steering shaft in the application of a whole vehicle.
In order to achieve the purpose, the dustproof sleeve is used for an automobile, the automobile comprises a steering shaft, the dustproof sleeve is provided with a through hole, and the steering shaft penetrates through the through hole; the dirt proof boot includes along the oil storage section, deformation section and the support section that the axial connects gradually, the oil storage section is equipped with the oil storage tank, just the oil storage tank with the through-hole intercommunication.
Optionally, the oil reservoir is an annular oil reservoir.
Optionally, the annular oil storage groove is provided with an annular opening communicated with the through hole.
Optionally, the deformation section is bellows-shaped.
Optionally, the dust boot further comprises a fixing seat, the fixing seat is arranged below the supporting section, and the fixing seat is used for being connected with a body of the automobile.
Optionally, the outer peripheral surface of the fixing seat is provided with an annular caulking groove, and the annular caulking groove is used for enabling the edge of the steering shaft through hole of the automobile body to be fittingly embedded.
Optionally, an indication mark is arranged on the supporting section to indicate installation of the dust-proof sleeve.
Optionally, the radius of the supporting section gradually increases from the deformation section towards the fixing seat.
Optionally, the oil storage section, the deformation section, the support section and the fixing seat are of an integrally formed structure.
The utility model further provides an automobile which comprises the dustproof sleeve.
The dustproof cover at least comprises the following beneficial effects:
according to the technical scheme, the dustproof sleeve is provided with the through hole, and the steering shaft penetrates through the through hole; the dirt proof boot includes along the oil storage section, deformation section and the support segment that the axial connects gradually, and the oil storage section is equipped with the oil storage tank, and oil storage tank and through-hole intercommunication. It can be understood that the oil storage groove is arranged at the upper end of the dustproof sleeve, when the steering shaft rotates, the steering shaft can extrude the oil storage section, the lubricating grease in the oil storage groove of the oil storage section can flow into the through hole communicated with the oil storage groove, and then part of the lubricating grease can flow onto the steering shaft, the lubricating grease flows from top to bottom from the steering shaft, and the other part of the lubricating grease can flow from the upper part to the lower part of the dustproof sleeve under the action of gravity, namely the lubricating grease flows from the oil storage section to the support section; the flow of lubricating grease can ensure the abundant lubrication of dirt proof boot and steering spindle, avoids because of lubricated not enough, the steering abnormal sound problem that the interference brought, and then has promoted the NVH performance of whole car, and the dirt proof boot structure that this technical scheme provided can ensure long-time lubrication moreover, reduces market motorcycle type fault rate, reduces market customer complains about, reduces because of the expense and the time that after sale problem processing produced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of a dust boot according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of the dust boot from another perspective;
FIG. 3 is a schematic view of another view of the dust boot;
fig. 4 is a schematic sectional structure view of the dust boot.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Through |
200 | |
| 210 | |
300 | |
| 400 | |
410 | |
| 500 | Fixed |
510 | Annular caulking groove |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a dustproof sleeve.
Referring to fig. 2 and 4, in an embodiment of the present invention, the dust cover is used for an automobile, the automobile includes a steering shaft, the dust cover has a through hole 100, and the steering shaft is inserted into the through hole 100; the dirt proof boot includes along the oil storage section 200, deformation section 300 and the support section 400 that the axial connects gradually, and oil storage section 200 is equipped with oil storage tank 210, and oil storage tank 210 and through-hole 100 intercommunication.
Specifically, lubricating grease is arranged in the oil storage groove 210, the oil storage groove 210 is arranged at the upper end of the dustproof sleeve, when the steering shaft rotates, the steering shaft can extrude the oil storage section 200, the lubricating grease in the oil storage groove 210 of the oil storage section 200 can flow into the through hole 100 communicated with the oil storage groove 210, and then part of the lubricating grease can flow onto the steering shaft, the lubricating grease flows from top to bottom from the steering shaft, and the other part of the lubricating grease can flow from the upper part to the lower part of the dustproof sleeve under the action of gravity, namely flows from the oil storage section to the supporting section; the flow of lubricating grease can ensure the abundant lubrication of dirt proof boot and steering spindle, avoids because of lubricated not enough, the steering abnormal sound problem that the interference brought, and then has promoted the NVH performance of whole car, and the dirt proof boot structure that this technical scheme provided can ensure long-time lubrication moreover, reduces market motorcycle type fault rate, reduces market customer complains about, reduces because of the expense and the time that after sale problem processing produced.
Optionally, the reservoir 210 is an annular reservoir 210. The annular oil storage groove 210 can be arranged to enable the oil storage groove 210 to increase the oil storage capacity of the oil storage groove 210 in the limited space of the oil storage section 200, and ensure that the oil storage groove 210 stores oil for a period of time. However, the utility model is not limited thereto, and in other embodiments, the oil reservoir 210 may be configured as a plurality of reservoirs disposed at intervals around the through hole.
Optionally, the annular oil reservoir 210 is provided with an annular opening communicating with the through hole 100. The open setting of annular can guarantee that the steering spindle all has the grease in the oil storage tank 210 all to flow lubricated steering spindle and dirt proof boot no matter to go to which direction, avoids the dirt proof boot to send the abnormal sound because of the rotational friction of steering spindle. However, the utility model is not limited thereto, and in other embodiments, the annular oil reservoir 210 may also be provided with a plurality of small holes communicated with the through hole 100.
Further, the annular opening and the top of the dustproof sleeve are arranged at intervals. Thus, even if the grease is pressed by the steering shaft and flows back upwards along the side wall of the oil storage section 200, the grease cannot flow out of the inner side wall of the through hole 100, and the outer wall surface of the dust cover is polluted. In one embodiment, the annular opening is disposed in the middle of the inner annular wall of the oil storage section 200, but the utility model is not limited thereto, and in the second embodiment, the annular opening may also be disposed at the bottom of the inner annular wall of the oil storage section 200. However, the utility model is not limited thereto, and in the third embodiment, the annular opening may also be disposed at the top of the inner annular wall of the oil storage section 200.
Further, the inner annular wall of the oil reservoir 210 is spaced from the steering shaft by a distance in the range of 0.5 mm to 1 mm. Such interval scope can avoid external impurity to get into through-hole 100, can also reduce the friction of steering spindle and dirt proof boot, and then promote the life of dirt proof boot. When the inner ring wall of the oil storage tank 210 is spaced from the steering shaft by less than 0.5 mm, the steering shaft and the dust-proof sleeve are easy to rub, so that the abrasion of the dust-proof sleeve is accelerated, and the service life of the dust-proof sleeve is influenced. When the interval between the inner annular wall of the oil storage tank 210 and the steering shaft is greater than 1 mm, the external impurities easily pass through the gap between the inner annular wall of the oil storage section 200 and the steering shaft and then reach the through hole 100, so that the dustproof sleeve makes an abnormal sound.
Further, in one embodiment, the inner annular wall of the reservoir 210 may be spaced 0.5 mm from the steering shaft. In the second embodiment, the interval between the inner annular wall of the oil reservoir 210 and the steering shaft may be 0.7 mm. In the third embodiment, the interval between the inner annular wall of the oil reservoir 210 and the steering shaft may be 0.9 mm.
Optionally, the deformation section 300 is bellows-shaped. The deformation adaptability is strong, the fit dimensional tolerance can be optimized, the structural durability is strong, and the service life of the dustproof sleeve can be longer. However, the utility model is not limited thereto, and in other embodiments, the deformation section 300 may also be made of a material with better elastic property (e.g. polyurethane rubber) as the deformation section 300.
Furtherly, the ripple structure of deformation section 300 is equipped with two at least, can increase the deformation scope of deformation section 300 like this, avoids 300 deformation scope undersize of deformation section, avoids the rotation of steering spindle to carry out rigid dragging to other function sections of dirt proof boot, and rigid dragging for a plurality of times can make the material of dirt proof boot take place rigid fatigue, and makes the dirt proof boot fracture. In one embodiment of the utility model, there are two corrugated structures. However, the present invention is not limited thereto, and in the second embodiment, four corrugated structures may be provided. However, the present invention is not limited thereto, and in the third embodiment, five corrugated structures may be provided.
Optionally, the dust boot further includes a fixing seat 500, the fixing seat 500 is disposed below the supporting section 400, and the fixing seat 500 is configured to be connected to a body of an automobile. The arrangement of the fixing seat 500 can increase the stability of the connection between the dustproof sleeve and the automobile body, and the dustproof sleeve is prevented from loosening from the automobile body. However, the utility model is not limited thereto, and in other embodiments, the supporting section 400 of the dust-proof cover can be directly fixed with the body of the automobile.
Referring to fig. 1 and 3, optionally, the outer circumferential surface of the fixing base 500 is provided with an annular caulking groove 510, and the annular caulking groove 510 is used for being fittingly embedded in the edge of the steering shaft through hole of the automobile body. The connection mode that the adaptation was inlayed and is established simple structure, the axiality is good, can bear great axial force, moment of torsion and dynamic load, and this technical scheme's dirt proof boot is the flexible piece moreover, only needs locate annular caulking groove 510 with the border of the steering spindle via hole of automobile body and can accomplish the installation, only needs the action of a embolia, need not to do rotary motion or the work of product location before the installation, and is swift succinct. However, the utility model is not limited thereto, and in other embodiments, the inner circumferential surface of the fixing base 500 may be provided with an annular insertion groove 510.
Optionally, an indicator 410 is provided on the support section 400 to indicate installation of the boot sleeve. The setting of pilot mark 410 can guide the installation direction of installer dirt proof boot for installer's installation effectiveness.
Further, the indication mark 410 is an indication arrow, and in one embodiment, the indication arrow is an indication arrow painted on the support section 400. In the second embodiment, the indicator 410 may also be an indicator arrow groove recessed toward the inside of the support section 400, and in other embodiments, the indicator 410 may also be in other forms, which is not particularly limited.
Optionally, the radius of the supporting section 400 gradually increases from the deformation section 300 to the direction of the fixing base 500, and it can be understood that the larger the supporting surface of the supporting object is, the stronger the stability of the supporting object is, the larger the radius is, which indicates that the lower the center of gravity is, the better the stability of the supporting object is; it can be seen that, the radius of the supporting section 400 is gradually increased from the deformation section 300 to the fixing base 500, so that the stability of the whole dust boot is stronger.
Optionally, the oil storage section 200, the deformation section 300, the support section 400 and the fixing base 500 are integrally formed. Integrated into one piece's structural rigidity is big, and the wholeness is good, stability is difficult fracture stronger, avoids the rotation of steering spindle to carry out a lot of extrusion to the dirt proof boot and drags for hard fatigue takes place for the dirt proof boot, and then makes the dirt proof boot fracture. And the integrated forming also avoids residues remaining in the gap, so that the manufacturing process and the installation flow are more convenient and faster. However, the utility model is not limited thereto, and in other embodiments, the oil storage section 200, the deformation section 300, the supporting section 400 and the fixing base 500 may be integrally formed by bonding.
The utility model further provides an automobile which comprises the dustproof sleeve, the specific structure of the dustproof sleeve refers to the embodiments, and the automobile at least has all the beneficial effects brought by the technical schemes of the embodiments because all the technical schemes of all the embodiments are adopted, and the detailed description is omitted.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A dustproof sleeve is used for an automobile, and the automobile comprises a steering shaft and is characterized in that the dustproof sleeve is provided with a through hole, and the steering shaft penetrates through the through hole; the dirt proof boot includes along the oil storage section, deformation section and the support section that the axial connects gradually, the oil storage section is equipped with the oil storage tank, just the oil storage tank with the through-hole intercommunication.
2. The dust boot of claim 1, wherein said oil reservoir is an annular oil reservoir.
3. The dust boot of claim 2, wherein said annular oil reservoir has an annular opening communicating with said through hole.
4. A dust boot according to any of claims 1 to 3, wherein the deformation section is bellows-shaped.
5. The dust boot of any one of claims 1 to 3, further comprising a fixing seat disposed below the support section, the fixing seat being configured to be connected to a body of the automobile.
6. The dust boot of claim 5, wherein the outer peripheral surface of the fixing seat is provided with an annular caulking groove for the edge of the steering shaft through hole of the automobile body to be fittingly inserted.
7. The dust boot of claim 6, wherein said support section is provided with an indicator mark for indicating installation of said dust boot.
8. The dust boot of claim 7, wherein the radius of the supporting portion increases from the deformation portion toward the fixing seat.
9. The dust boot of claim 8, wherein the oil storage section, the deformation section, the support section and the fixing base are integrally formed.
10. An automobile, characterized by comprising the dust boot as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018405.8U CN216401538U (en) | 2022-01-05 | 2022-01-05 | Dirt proof boot and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018405.8U CN216401538U (en) | 2022-01-05 | 2022-01-05 | Dirt proof boot and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216401538U true CN216401538U (en) | 2022-04-29 |
Family
ID=81286714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220018405.8U Active CN216401538U (en) | 2022-01-05 | 2022-01-05 | Dirt proof boot and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216401538U (en) |
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2022
- 2022-01-05 CN CN202220018405.8U patent/CN216401538U/en active Active
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