High-strength steering knuckle for vehicle

Abstract

The high-strength vehicle steering knuckle comprises a steering knuckle body, a center through hole is formed in the middle of the steering knuckle body in a penetrating mode, a bearing outer sleeve is fixedly arranged in the center through hole in a sleeved mode, a hub bearing is installed in the bearing outer sleeve, and a limiting ring for limiting one end of the hub bearing is arranged at one end of the bearing outer sleeve. According to the steering knuckle, the bearing outer sleeve is fixedly arranged in the center through hole of the steering knuckle body in the sleeved mode, the limiting ring and the bearing check ring are arranged at the two ends of the bearing outer sleeve, it is ensured that the hub bearing is firmly installed, and the hub bearing is not prone to falling off due to the fact that the bearing outer sleeve is fixedly arranged in the center through hole of the steering knuckle body in the sleeved mode. Loosening or displacement is prevented, and the driving safety is improved. Meanwhile, the hub bearing is accurately positioned, uneven abrasion is reduced, and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, especially a high-strength steering knuckle for vehicles. BACKGROUND

[0002] The vehicle steering system is one of the key components of an automobile, and its design and manufacturing quality directly affect the operating performance, safety and ride comfort of the vehicle. Among them, the steering knuckle, as an important part connecting the suspension system and the wheels, plays an important role in ensuring the stability of vehicle driving. The installation method of the hub bearing in the center through hole of the steering knuckle is crucial to the reliability and durability of the entire system.

[0003] The common steering knuckle design on the current market usually installs the hub bearing directly in the center through hole of the steering knuckle. Although this design can meet the basic functional requirements, it has several limitations in actual application. First of all, due to the lack of effective limiting and fixing devices, the hub bearing may loosen or shift during long-term use, affecting driving safety. Secondly, the traditional installation method cannot guarantee the precise positioning of the hub bearing, which may cause uneven wear and reduce the service life. Therefore, in view of the above technical problems, the present application makes improvements. SUMMARY

[0004] The utility model provides a high-strength steering knuckle for vehicles, which solves the above problems in the prior art.

[0005] The technical solution of the utility model is as follows: a high-strength steering knuckle for vehicles, comprising a steering knuckle main body, a center through hole is formed in the middle of the steering knuckle main body, a bearing sleeve is fixedly arranged in the center through hole, a hub bearing is installed in the bearing sleeve, a limiting ring is arranged at one end of the bearing sleeve to limit one end of the hub bearing, a bearing retainer ring is fixedly connected to the other end of the hub bearing away from the limiting ring, and a hub clamping piece disc is fixedly installed in the hub bearing.

[0006] Preferably, the steering knuckle main body is provided with a right-angle step at one end of the center through hole and an arc surface step at the other end of the center through hole, one end of the bearing sleeve is integrally formed with a fixed outer edge for abutting against the right-angle step, the other end of the bearing sleeve is provided with a bent outer edge, and the bent outer edge is bent along the arc surface step and attached to the steering knuckle main body.

[0007] Preferably, the bearing retainer ring is welded and fixed in the bearing sleeve.

[0008] Preferably, the hub clamping disc has a bearing mounting groove, the hub bearing sleeve is arranged in the bearing mounting groove, the hub clamping disc has a clamping table for limiting one end of the hub bearing on one end of the bearing mounting groove, and the hub clamping disc is provided with a second bent outer edge on the other end of the bearing mounting groove, and the second bent outer edge is pressed on the other end of the hub bearing away from the clamping table.

[0009] Preferably, the knuckle body is provided with a plurality of through holes in the side wall of the central through hole, and a fastening rod is fixedly arranged in each through hole and pressed on the side wall of the bearing sleeve.

[0010] Preferably, the knuckle body is integrally formed with an upper control arm mounting portion, a lower control arm mounting portion, a caliper mounting portion and a steering tie rod mounting portion.

[0011] Preferably, a suspension connecting taper sleeve is fixedly mounted on the upper control arm mounting portion and the lower control arm mounting portion, and a tie rod connecting taper sleeve is fixedly mounted on the steering tie rod mounting portion.

[0012] Preferably, the knuckle body is provided with a first weight-reducing hole between the central through hole and the upper control arm mounting portion, a second weight-reducing hole between the central through hole and the lower control arm mounting portion, and a third weight-reducing hole in the steering tie rod mounting portion.

[0013] In summary, the beneficial effects of the present application are as follows:

[0014] 1. By fixedly arranging the bearing sleeve in the central through hole of the knuckle body and arranging the limiting ring and the bearing retainer ring at both ends, the hub bearing is firmly installed, the loosening or displacement of the hub bearing is prevented, and the driving safety is improved. At the same time, the hub bearing is accurately positioned, the uneven wear is reduced, and the service life is prolonged.

[0015] 2. The right-angle step and the arc surface step are adopted to facilitate the fixation of the bearing sleeve in the central through hole of the knuckle body, enhance the connection strength and stability between the bearing sleeve and the knuckle body, ensure that the bearing sleeve will not be displaced due to external force, and further improve the reliability of the whole system.

[0016] 3. The bearing retainer ring is fixed by welding, which provides additional safety protection, ensures that the hub bearing maintains a stable position during long-term use, and avoids loosening or falling off.

[0017] 4. The hub clamping disc is internally provided with a bearing mounting groove, and is provided with a clamping table and a second bent outer edge, which can more accurately position and install the hub bearing, enhance the stability, and simplify the assembly process.

[0018] 5、By setting the through hole on the center through hole side wall of the knuckle body and installing the fastening rod, the fixing strength of the bearing outer sleeve is increased, and the stability and durability of the overall structure are improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the present application.

[0022] Figure 3 It is a schematic diagram of the present application in Figure 2 the local enlarged view of the part near the center through hole.

[0023] In the figure: 1, knuckle body; 11, center through hole; 12, right angle step; 13, arc surface step; 14, through hole; 15, upper control arm mounting part; 16, lower control arm mounting part; 17, caliper mounting part; 18, steering tie rod mounting part; 191, first weight reduction hole; 192, second weight reduction hole; 193, third weight reduction hole; 2, bearing outer sleeve; 21, limiting ring; 22, fixed outer edge; 23, bent outer edge; 3, hub bearing; 4, bearing retainer; 5, hub clamp disc; 51, bearing mounting groove; 52, clamping table; 53, second bent outer edge; 6, fastening rod; 71, suspension connecting cone sleeve; 72, tie rod connecting cone sleeve. DETAILED DESCRIPTION

[0024] The drawings needed to be used in the embodiments of the present application will be combined below. Figures 1-3 The technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] Embodiment:

[0026] As Figures 1 to 3The utility model discloses a kind of high-strength steering knuckles for vehicle, including steering knuckle main body 1, steering knuckle main body 1 is aluminum forging integrated structure, center through-hole 11 is passed and is established in the middle part of steering knuckle main body 1, bearing sleeve 2 is fixedly sleeved in center through-hole 11, hub bearing 3 is installed in bearing sleeve 2, wherein, bearing sleeve 2 one end has the limiting ring 21 of the one end of hub bearing 3 is positioned, and bearing sleeve 2 is also fixedly connected with bearing baffle 4 in the one end of hub bearing 3 away from limiting ring 21, in addition, hub bearing 3 is fixedly installed in hub clamping piece disc 5, and hub clamping piece disc 5 is used to be installed with the hub on wheel and is connected.The utility model is fixedly sleeved bearing sleeve 2 in the center through-hole 11 of steering knuckle main body 1, and limiting ring 21 and bearing baffle 4 are set in both ends, ensure that hub bearing 3 is firmly installed, prevent its loosening or displacement, improve driving safety.Meanwhile, accurately position hub bearing 3, reduce uneven wear, prolong service life.

[0027] The specific structure that bearing sleeve 2 is fixedly sleeved in center through-hole 11 is that: steering knuckle main body 1 is provided with right angle step 12 in one end of center through-hole 11, and is provided with cambered surface step 13 in the other end of center through-hole 11, and the one end of bearing sleeve 2 is integrally formed with fixed outer edge 22 for abutting on right angle step 12, and is provided with bent outer edge 23 on the other end of bearing sleeve 2, and bent outer edge 23 is bent along cambered surface step 13 and is attached on steering knuckle main body 1.Using right angle step 12 and cambered surface step 13 design, bearing sleeve 2 is fixed in the center through-hole 11 of steering knuckle main body 1, which enhances the connection strength and stability between bearing sleeve 2 and steering knuckle main body 1, ensures that bearing sleeve 2 will not displace due to external force, and further improves the reliability of the whole system.

[0028] The specific fixing mode that bearing baffle 4 is fixed on bearing sleeve 2 is that: bearing baffle 4 is welded and fixed in bearing sleeve 2, bearing baffle 4 is fixed by welding mode, which provides additional security, ensures that hub bearing 3 maintains stable position in long time use, avoids loosening or falling off.

[0029] The specific structure that hub clamping piece disc 5 is installed in hub bearing 3 is that: hub clamping piece disc 5 has bearing installation groove 51 in it, hub bearing 3 is sleeved in bearing installation groove 51, hub clamping piece disc 5 has clamping table 52 on one end of bearing installation groove 51 for limiting one end of hub bearing 3, and is provided with second bent outer edge 53 on the other end of bearing installation groove 51, and second bent outer edge 53 is pressed on the one end of hub bearing 3 away from clamping table 52, bearing installation groove 51 is provided in the inside of hub clamping piece disc 5, and is equipped with clamping table 52 and second bent outer edge 53, which can more accurately position and install hub bearing 3, enhances its stability, and simplifies assembly process.

[0030] In the utility model, the knuckle main body 1 is provided with a plurality of through holes 14 on the side wall of the center through hole 11, the through holes 14 are fixedly provided with fastening rods 6, the fastening rods 6 are pressed on the side wall of the bearing outer sleeve 2, the fastening rods 6 can be arranged in the through holes 14 by the threaded cooperation mode, or can be fixed in the through holes 14 by the welding mode, the fastening rods 6 increase the fixing strength of the bearing outer sleeve 2, and the stability and durability of the overall structure are improved.

[0031] In the utility model, the knuckle main body 1 is integrally formed with an upper control arm mounting portion 15, a lower control arm mounting portion 16, a caliper mounting portion 17 and a steering tie rod mounting portion 18. Wherein, the upper control arm mounting portion 15 and the lower control arm mounting portion 16 are both fixedly provided with suspension connecting taper sleeves 71, and the steering tie rod mounting portion 18 is fixedly provided with a tie rod connecting taper sleeve 72, so as to reliably assemble with the upper control arm, the lower control arm, the caliper and the steering tie rod of the automobile.

[0032] In the utility model, the knuckle main body 1 is provided with a first weight reduction hole 191 between the center through hole 11 and the upper control arm mounting portion 15, and a second weight reduction hole 192 between the center through hole 11 and the lower control arm mounting portion 16, and a third weight reduction hole 193 is arranged on the steering tie rod mounting portion 18, by reasonably arranging the first, second and third weight reduction holes, the overall weight of the knuckle is reduced under the premise of not affecting the structural strength, which helps to reduce fuel consumption and improve vehicle performance.

[0033] The mounting process of the bearing outer sleeve 2, the hub bearing 3 and the hub clamping piece disc 5 in the utility model is as follows:

[0034] 1, first, the bearing outer sleeve 2 is inserted into the center through hole 11 of the knuckle main body 1, the limiting ring 21 at one end is abutted against the right-angle step 12, then the other end is bent along the arc step 13 and is attached to the knuckle main body 1 to form the bent outer edge 23. Then the fastening rod 6 is inserted into the through hole 14 of the knuckle main body 1, and they are tightly pressed on the side wall of the bearing outer sleeve 2, so that the stability of the overall structure is increased.

[0035] 2, the hub bearing 3 is carefully pushed into the bearing outer sleeve 2 until it is blocked by the limiting ring 21. Then the bearing retainer 4 is installed at the other end and is fixed by welding.

[0036] 3, the bearing mounting groove 51 on the hub clamping piece disc 5 is aligned with the hub bearing 3, and is pushed in until the hub bearing 3 is blocked by the clamping table 52, then the end of the hub clamping piece disc 5 away from the clamping table 52 is bent to form the second bent outer edge 53, the second bent outer edge 53 is pressed on the end of the hub bearing 3 away from the clamping table 52, so that the precise positioning of the hub bearing 3 is realized.

[0037] Meanwhile, it needs to be pointed out that the terms indicated by the utility model, such as "front", "rear", "vertical", "horizontal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0038] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-strength vehicle steering knuckle comprising a steering knuckle body, characterized by: The center through hole is provided with a bearing sleeve fixedly sleeved in the center through hole, a hub bearing is installed in the bearing sleeve, one end of the bearing sleeve is provided with a limiting ring for limiting one end of the hub bearing, a bearing retainer ring is fixedly connected to the bearing sleeve and located at the end of the hub bearing away from the limiting ring, and a hub clamping piece disc is fixedly installed in the hub bearing.

2. The high-strength vehicle steering knuckle of claim 1, wherein: The steering knuckle body is provided with a right-angle step at one end of the center through hole and an arc surface step at the other end of the center through hole, one end of the bearing sleeve is integrally formed with a fixed outer edge for abutting against the right-angle step, and the other end of the bearing sleeve is provided with a bent outer edge which is bent along the arc surface step and attached to the steering knuckle body.

3. A high-strength vehicle steering knuckle according to claim 2, characterized in that: The bearing retainer ring is welded and fixed in the bearing sleeve.

4. The high-strength vehicle steering knuckle of claim 1, wherein: The hub clamping piece disc is provided with a bearing installation groove, the hub bearing is sleeved in the bearing installation groove, the hub clamping piece disc is provided with a clamping table at one end of the bearing installation groove for limiting one end of the hub bearing, and the hub clamping piece disc is provided with a second bent outer edge at the other end of the bearing installation groove, which is pressed on the end of the hub bearing away from the clamping table.

5. The high-strength vehicle steering knuckle of claim 1, wherein: The steering knuckle body is provided with a plurality of through holes in the side wall of the center through hole, and the through holes are fixedly provided with fastening rods which are pressed against the side wall of the bearing sleeve.

6. The high-strength vehicle steering knuckle of claim 1, wherein: The steering knuckle body is integrally formed with an upper control arm mounting portion, a lower control arm mounting portion, a caliper mounting portion and a steering drag rod mounting portion.

7. A high-strength vehicle steering knuckle according to claim 6, wherein: The upper control arm mounting portion and the lower control arm mounting portion are fixedly provided with suspension connecting cone sleeves, and the steering drag rod mounting portion is fixedly provided with a drag rod connecting cone sleeve.

8. A high-strength vehicle steering knuckle as defined in claim 6, wherein: The steering knuckle body is provided with a first weight-reducing hole between the center through hole and the upper control arm mounting portion, a second weight-reducing hole between the center through hole and the lower control arm mounting portion, and a third weight-reducing hole in the steering drag rod mounting portion.

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