CN214451268U - Disc type steering shaft protection structure - Google Patents
Disc type steering shaft protection structure Download PDFInfo
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- CN214451268U CN214451268U CN202022606773.8U CN202022606773U CN214451268U CN 214451268 U CN214451268 U CN 214451268U CN 202022606773 U CN202022606773 U CN 202022606773U CN 214451268 U CN214451268 U CN 214451268U
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- protection structure
- dust cover
- steering shaft
- disc
- flanging
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Abstract
The utility model relates to a disc type steering shaft protection structure, which comprises a brake disc protection structure and a hub oil seal protection structure; the utility model discloses a disc steering spindle protective structure can avoid wheel hub oil blanket and brake disc because of using the early damage that the operating mode is abominable and arouse to reduce disc steering spindle's fault rate, maintenance cost, mistake work time etc.. The disc type steering shaft protection structure has great significance for improving the performance of the steering shaft, and meanwhile, the problem that the commercial vehicle is high in operation cost can be better solved, and the disc type steering shaft protection structure can become standard configuration of disc type steering shafts for high-end commercial vehicles.
Description
Technical Field
The utility model relates to an automobile parts field especially relates to a disc steering spindle protective structure.
Background
Along with the continuous improvement of cost of labor and vehicle maintenance expense, the operation company has provided higher requirement to the operation cost and the rate of attendance of commercial vehicle, needs commercial vehicle to have longer maintenance cycle to reduce the maintenance expense in the whole life cycle, improve the gross income, consequently, more city buses and logistics company now tend to choose the longer axle assembly of maintenance cycle for use, the utility model provides a disc steering spindle protective structure can reduce the maintenance expense of steering spindle in full life cycle by 50%.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a disk steering spindle protective structure to prior art's not enough, it can reduce requirements such as the maintenance cost of steering spindle in full life cycle.
The hub oil seal protection structure has the following 3 arrangement schemes:
the first scheme is as follows: the knuckle spindle nose is designed into a double-step structure, and a designed Z-shaped dust cover can be pressed on the steps to form small clearance fit with a bearing seat with a new structure, so that the hub oil seal is effectively protected. For details, see the example I
The second scheme is as follows: a circular ring boss is forged on the side of the steering knuckle spindle nose, the inner side of the circular ring is in small clearance fit with an ABS gear ring, and therefore the hub oil seal is effectively protected. For details, see example two
In the third scheme: the designed Z-shaped dust cover is pressed on the ABS gear ring and forms small clearance fit with the annular groove on the large surface of the steering knuckle, and the hub oil seal is effectively protected. For details, see example III
Above three kinds of arrangement schemes all can effectually protect the bearing oil blanket to avoid the damage of silt, rubble, reduce the trouble of the early damage of wheel hub unit bearing that arouses because the oil blanket damages, improve wheel hub bearing's life, and then reduce the maintenance cost.
The technical scheme of the brake disc protection structure is as follows: a brake dust cover is designed and is fastened on a steering knuckle through a bolt. The outer contour of the dust cover is designed into a flanging structure, so that the rigidity is improved; an observation hole is designed in the middle, so that the abrasion condition of the brake disc can be conveniently checked; meanwhile, the flanging direction of the dust cover faces the center of the steering shaft, so that the dust cover is convenient to disassemble, assemble and maintain. For details, see example four
The utility model discloses an adopt following technical scheme to realize:
a disc type steering shaft protection structure comprises a brake disc protection structure, wherein the brake disc protection structure comprises a steering knuckle, a flanging dust cover, a brake disc and a rim, and the flanging dust cover is fixed on the steering knuckle through a bolt and is matched with the rim to protect the brake disc; an observation hole is formed in the middle of the flanging dust cover, and the flanging direction faces to the center of the steering shaft.
As a further explanation of utility model, still include wheel hub bearing unit, rim connection pad and bearing frame, wheel hub bearing unit passes through the bolt assembly and is in inside the bearing frame, the bearing frame pass through the bolt with the rim connection pad with brake disc fixed connection.
On the other hand, including wheel hub oil blanket protective structure, wheel hub oil blanket protective structure includes bearing frame, wheel hub bearing oil blanket, "Z" type dust cover, knuckle and ABS ring gear, the knuckle with enclosed construction is constituteed to the bearing frame.
As a further explanation of the utility model, "Z" type dust cover one end is passed through the interference fit pressure equipment and is in on the knuckle axle, the other end with the bearing frame keeps the clearance suitable, through the knuckle with the enclosed construction is constituteed to the bearing frame.
As a further explanation of the utility model, knuckle spindle nose side is for cutting empty ring boss, the closed structure is constituteed to the cooperation ABS ring gear of cutting empty ring boss of knuckle spindle nose side.
As a further explanation of the utility model, be provided with the ring channel on the knuckle, "Z" type dust cover one end is passed through interference fit pressure equipment and is in on the ABS ring gear, the other end with the ring channel of knuckle keeps the clearance to properly constitute enclosed construction.
In yet another aspect, the protective structure for a brake disc of the protective structure for a disc steering shaft and the protective structure for a hub oil seal of the protective structure for a disc steering shaft.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model discloses a disc steering spindle protective structure, stopper protective structure comprise turn-ups dust cover, knuckle, turn-ups dust cover pass through the bolt-up in the knuckle spindle nose side, and the turn-ups structure of outside design increases the rigidity of turn-ups dust cover; the outer circle of the flanging dust cover is large in size, so that the gap between the flanging dust cover and the wheel rim can be reduced, and the maximum protection area for the brake disc is ensured; meanwhile, the structure design fully considers the function and the maintainability, the observation hole is designed for the flanging dust cover, the flanging direction faces the center side of the bridge, and the maintenance cost of the steering shaft in the whole life cycle can be reduced by 50 percent by convenient maintenance in the after-sales market.
Drawings
The utility model is further described with the following drawings:
FIG. 1 is an overall view of a first embodiment and a fourth embodiment of the present invention;
FIG. 2 is a partial schematic view of a wheel hub oil seal protection structure when a hollow circular boss is arranged on the side of a second knuckle spindle head according to an embodiment of the present invention;
FIG. 3 is a partial schematic view of a wheel hub oil seal protection structure when an annular groove is formed on a third knuckle according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a knuckle according to an embodiment of the present invention;
FIG. 5 is a schematic view of a structure of a second knuckle according to an embodiment of the present invention, wherein the second knuckle is provided with a truncated circular boss;
FIG. 6 is a schematic view of an annular groove structure provided on a third knuckle according to an embodiment of the present invention;
fig. 7 is the utility model discloses disc steering spindle protective structure brake disc protective structure sketch map.
Description of the reference numerals
1. A hub bearing unit; 2. a bearing seat; 3. a hub bearing oil seal; 4. a "Z" shaped dust cover; 5. a knuckle; 6. a flanging dust cover; 7. a brake disc; 8. a rim connecting plate; 9. a rim; 10. an ABS gear ring; 11. and (6) observing holes.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1, 4 and 7, a disc type steering shaft protection structure comprises a hub bearing unit 1, a bearing seat 2, a hub bearing oil seal 3, a steering knuckle 5 and a flanging dust cover 6, wherein the flanging dust cover 6 is fixed on the steering knuckle 5 through a bolt and is matched with a rim 9 to protect a brake disc 7, the outer contour of the flanging dust cover 6 is designed into a flanging structure, the rigidity is improved, an observation hole 11 is formed in the middle of the flanging dust cover, the abrasion condition of the brake disc is convenient to inspect, and the flanging direction of the flanging dust cover faces the center of the steering shaft, so that the disc type steering shaft protection structure is convenient to disassemble, assemble and maintain. The hub bearing unit 1 is assembled in the bearing seat 2 through bolts, and the bearing seat 2 is fixedly connected with the rim connecting plate 8 and the brake disc 7 through bolts. Still include "Z" type dust cover 4, "Z" type dust cover 4 one end is in through interference fit pressure equipment on knuckle axle 5, the other end with bearing frame 2 keeps the clearance suitable, through knuckle 5 with the bearing frame 2 constitutes enclosed construction realizes the protection to wheel hub bearing oil blanket 3.
Example two:
as shown in fig. 2, 5 and 7, a disc type steering shaft protection structure comprises a hub bearing unit 1, a bearing seat 2, a hub bearing oil seal 3, a steering knuckle 5 and a flanging dust cover 6, wherein a hollow circular boss is arranged on the shaft head side of the steering knuckle 5, the flanging dust cover 6 is fixed on the steering knuckle 5 through a bolt, the protection on a brake disc 7 is realized by matching with a rim 9, the outline of the flanging dust cover is designed to be a flanging structure, the rigidity is improved, an observation hole 11 is formed in the middle of the flanging dust cover, the abrasion condition of the brake disc is convenient to inspect, and the flanging direction of the flanging dust cover 6 faces the center of the steering shaft, so that the disassembly, assembly and maintenance are convenient. The hub bearing unit 1 is assembled in the bearing seat 2 through bolts, and the bearing seat 2 is fixedly connected with the rim connecting plate 8 and the brake disc 7 through bolts. The knuckle 5 and the ABS gear ring 10 form small clearance fit, and a circular boss designed at the knuckle 5 can protect the hub bearing oil seal 3.
Example three:
as shown in fig. 3, 6 and 7, a disc type steering shaft protection structure comprises a hub bearing unit 1, a bearing seat 2, a hub bearing oil seal 3, a steering knuckle 5 and a flanging dust cover 6, wherein the steering knuckle 5 is provided with an annular groove, the flanging dust cover 6 is fixed on the steering knuckle 5 through a bolt, and is matched with a rim 9 to realize protection of a brake disc 7, the outer contour of the flanging dust cover 6 is designed into a flanging structure, the rigidity is improved, an observation hole 11 is formed in the middle of the flanging dust cover, so that the abrasion condition of the brake disc can be conveniently checked, and the flanging direction of the flanging dust cover faces the center of the steering shaft, so that the disc type steering shaft protection structure is convenient to disassemble, assemble and maintain. The hub bearing unit 1 is assembled in the bearing seat 2 through bolts, and the bearing seat 2 is fixedly connected with the rim connecting plate 8 and the brake disc 7 through bolts. The hub bearing oil seal protection device is characterized by further comprising a Z-shaped dust cover 4, wherein one end of the Z-shaped dust cover 4 is press-mounted on the ABS gear ring 10 through interference fit, the other end of the Z-shaped dust cover is kept in proper clearance with an annular groove of the steering knuckle 5, and protection of the hub bearing oil seal 3 is achieved through cooperation of the steering knuckle 5 and the Z-shaped dust cover 4.
Example four:
as shown in fig. 1: a disc type steering shaft protection structure comprises a brake disc protection structure, wherein the brake disc protection structure comprises a steering knuckle 5, a flanging dust cover 6, a brake disc 7 and a rim 9, the flanging dust cover 6 is fixed on the steering knuckle 5 through bolts and is matched with the rim 9 to protect the brake disc 7; the outer contour of the flanging dust cover 6 is designed to be a flanging structure, the rigidity is improved, an observation hole 11 is formed in the middle of the flanging dust cover 6, and the flanging direction of the flanging dust cover 6 faces the center of the steering shaft.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A disc type steering shaft protection structure is characterized by comprising a brake disc protection structure, wherein the brake disc protection structure comprises a steering knuckle (5), a flanging dust cover (6), a brake disc (7) and a rim (9), wherein the flanging dust cover (6) is fixed on the steering knuckle (5) through a bolt and is matched with the rim (9) to protect the brake disc (7); an observation hole (11) is formed in the middle of the flanging dust cover (6), and the flanging direction faces the center of the steering shaft.
2. The disc steering shaft protective structure according to claim 1, further comprising a hub bearing unit (1), a rim connecting plate (8) and a bearing seat (2), wherein the hub bearing unit (1) is assembled inside the bearing seat (2) through bolts, and the bearing seat (2) is fixedly connected with the rim connecting plate (8) and the brake disc (7) through bolts.
3. The disc type steering shaft protection structure according to claim 1, which comprises a hub oil seal protection structure, wherein the hub oil seal protection structure comprises a bearing seat (2), a hub bearing oil seal (3), a Z-shaped dust cover (4), a steering knuckle (5) and an ABS gear ring (10), and the steering knuckle (5) and the bearing seat (2) form a closed structure.
4. The disc type steering shaft protection structure according to claim 3, characterized in that one end of the Z-shaped dust cover (4) is press-fitted on the steering knuckle (5) shaft through interference fit, the other end of the Z-shaped dust cover keeps proper clearance with the bearing seat (2), and a closed structure is formed by the steering knuckle (5) and the bearing seat (2).
5. The disc type steering shaft protection structure according to claim 3, wherein the steering knuckle (5) is provided with a truncated circular boss at the shaft head side, and the truncated circular boss at the shaft head side of the steering knuckle (5) is matched with the ABS gear ring (10) to form a closed structure.
6. The disc type steering shaft protection structure according to claim 3, characterized in that the steering knuckle (5) is provided with an annular groove, one end of the Z-shaped dust cover (4) is press-fitted on the ABS ring gear (10) through interference fit, and the other end of the Z-shaped dust cover and the annular groove of the steering knuckle (5) keep a gap to form a closed structure properly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022606773.8U CN214451268U (en) | 2020-11-12 | 2020-11-12 | Disc type steering shaft protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022606773.8U CN214451268U (en) | 2020-11-12 | 2020-11-12 | Disc type steering shaft protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214451268U true CN214451268U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022606773.8U Active CN214451268U (en) | 2020-11-12 | 2020-11-12 | Disc type steering shaft protection structure |
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| CN (1) | CN214451268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620125A (en) * | 2022-01-21 | 2022-06-14 | 北京航天发射技术研究所 | Steering support assembly |
-
2020
- 2020-11-12 CN CN202022606773.8U patent/CN214451268U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114620125A (en) * | 2022-01-21 | 2022-06-14 | 北京航天发射技术研究所 | Steering support assembly |
| CN114620125B (en) * | 2022-01-21 | 2023-07-14 | 北京航天发射技术研究所 | Steering support assembly |
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