Knuckle assembly

Abstract

The utility model discloses a steering knuckle assembly, which relates to the technical field of auto spare parts, and comprises a steering knuckle main body and a pull rod connecting arm, an eccentric sleeve is connected inside the pull rod connecting arm, the bottom of the eccentric sleeve is connected with a gear, a screw rod penetrates through the lower part of the outer surface of the pull rod connecting arm, and the outer part of the screw rod is connected with a rack; and one end of the screw is provided with an anti-loosening bolt. Through the arrangement of the gear, the rack, the screw rod, the check bolt, the gasket and the check nut, the rack is moved by rotating the screw rod, and the rack is meshed with the gear to drive the eccentric sleeve to rotate after being moved, so that the eccentric sleeve rotates to adjust the position of the steering ball head; the gasket is placed on the anti-loosening bolt, and the two anti-loosening nuts are tightened, so that the screw rod is limited, the rack cannot move, and the gear cannot drive the eccentric sleeve to rotate to adjust the position of the steering ball head; and in addition, the operation is simple, the structural strength is high, and looseness is not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, in particular to a knuckle assembly. BACKGROUND

[0002] The knuckle is one of the important parts in the steering mechanism of the automobile, is the hinge of the wheel steering, and the function of the knuckle is to transmit and bear the load of the front part of the automobile, support and drive the front wheel to rotate around the kingpin to make the automobile turn.

[0003] The knuckle assembly and the automobile with the application number 202321506536.1 comprise a knuckle body, a connecting structure, a steering outer ball pin and a steering tie rod, the knuckle body is provided with a first connecting arm, the first connecting arm is provided with a mounting groove, the connecting structure is clamped in the mounting groove, the connecting structure is provided with an eccentric hole, the eccentric hole penetrates through the connecting structure, one end of the steering outer ball pin is arranged in the eccentric hole, and the other end of the steering tie rod is connected with the steering outer ball pin. In the knuckle assembly, the steering outer ball pin is connected with the knuckle body through the connecting structure with the eccentric hole, the position of the eccentric hole can be adjusted by rotating the connecting structure or by replacing the connecting structure with different eccentric hole positions, and thus the position of the steering outer ball pin can be adjusted. The application can be widely applied in the technical field of automobile parts.

[0004] The technical scheme adjusts the position of the ball pin by rotating the eccentric structure, but the angle limiting depends on the number of external protrusions of the connecting structure, the more the number, the more the adjustable positions, and the less the number, the less the adjustable positions, even if the number of external protrusions of the connecting structure is increased to achieve more adjustable positions of the ball pin, but one is that the increase of the number may affect the structural strength, reduce the wall thickness of the mounting groove, and thus the mounting groove is easy to be damaged when the structure is impacted, and two is that even if the number of protrusions is increased, some positions cannot be adjusted, it is difficult to be infinitely adjusted, and the flexibility is low. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a knuckle assembly to solve the technical problems mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a knuckle assembly, comprising a knuckle body and a tie rod connecting arm, the tie rod connecting arm is internally connected with an eccentric sleeve, the bottom of the eccentric sleeve is connected with a gear, a screw rod penetrates through the lower surface of the outer surface of the tie rod connecting arm, and the outer surface of the screw rod is connected with a rack; a lock bolt is arranged at one end of the screw rod, and a gasket and two lock nuts are arranged outside the lock bolt.

[0007] By adopting the technical scheme, the rack is displaced by rotating the screw rod, the rack is engaged with the gear after displacement to drive the eccentric sleeve to rotate, so that the eccentric sleeve is rotated to adjust the position of the steering ball head, and after the position of the steering ball head is adjusted, the gasket is placed on the check bolt and the two check nuts are tightened, so that the screw rod is limited, and the rack cannot be displaced, and the gear cannot drive the eccentric sleeve to rotate to adjust the position of the steering ball head.

[0008] Further, the rack is threadedly connected with the screw rod, and the rack is slidably connected with the pull rod connecting arm.

[0009] By adopting the technical scheme, the rack is displaced by rotating the screw rod, the rack is engaged with the gear after displacement to drive the eccentric sleeve to rotate, so that the eccentric sleeve is rotated to adjust the position of the steering ball head, and after the position of the steering ball head is adjusted, the gasket is placed on the check bolt and the two check nuts are tightened, so that the screw rod is limited, and the rack cannot be displaced, and the gear cannot drive the eccentric sleeve to rotate to adjust the position of the steering ball head.

[0010] Further, the gear is engaged with the rack.

[0011] By adopting the technical scheme, when the position of the steering ball head needs to be adjusted, the rack is displaced by rotating the screw rod, the rack is engaged with the gear after displacement to drive the eccentric sleeve to rotate.

[0012] Further, the diameter of the check bolt is smaller than the diameter of the screw rod, and the check nut is threadedly connected with the check bolt.

[0013] By adopting the technical scheme, since the diameter of the check bolt is smaller than the diameter of the screw rod, the rack is prevented from abutting against the check bolt, so that the phenomenon that the rack cannot be installed in the screw rod is avoided, and the screw rod is limited by tightening the two check nuts.

[0014] Further, the gasket abuts against the check nut and the pull rod connecting arm.

[0015] By adopting the technical scheme, the gasket is placed on the check bolt and the two check nuts are tightened, and the contact area between the check nut and the pull rod connecting arm is increased by the gasket.

[0016] Further, the shock absorber connecting arm is fixed to the top of the knuckle body, the lower swing arm connecting arm is fixed to the bottom of the knuckle body, the mounting hole is formed in one side of the outer surface of the knuckle body, the transmission shaft hole is formed in the middle of the outer surface of the knuckle body, the pull rod connecting arm is fixed to one side of the knuckle body, and the eccentric sleeve penetrates through the steering ball head.

[0017] By adopting the technical scheme, after the adjustment is completed, the shock absorber of the automobile is connected with the shock absorber connecting arm, the steering pull rod of the automobile is connected with the steering ball head, the lower swing arm of the automobile is connected with the lower swing arm connecting arm, the transmission shaft of the automobile is connected with the wheel, the transmission shaft hole is penetrated, and the knuckle body is connected with the automobile through the mounting hole, so that the installation operation is completed.

[0018] Further, the steering ball head is externally sleeved with a limiting nut, and the eccentric sleeve is penetrated by a limiting pin on one side of its outer surface.

[0019] By adopting the above technical scheme, the staff installs the eccentric sleeve from the bottom of the pull rod connecting arm upwards, and the bottom of the pull rod connecting arm is abutted by the gear, so that the eccentric sleeve is prevented from falling upwards, then the staff penetrates the limiting pin in interference fit through the eccentric sleeve, so that the eccentric sleeve is prevented from falling downwards, and thus the installation operation of the eccentric sleeve is completed, then the staff installs the steering ball head from the top of the eccentric sleeve, and then the staff sleeves the limiting nut at the bottom end of the steering ball head and tightens it, so as to limit the steering ball head and prevent it from falling off.

[0020] Further, the eccentric sleeve is detachably connected with the pull rod connecting arm through the limiting pin, and the steering ball head is detachably connected with the eccentric sleeve through the limiting nut.

[0021] By adopting the above technical scheme, the staff penetrates the limiting pin in interference fit through the eccentric sleeve, so that the eccentric sleeve is prevented from falling downwards, and then the staff installs the steering ball head from the top of the eccentric sleeve, and then the staff sleeves the limiting nut at the bottom end of the steering ball head and tightens it, so as to limit the steering ball head.

[0022] Further, the diameter of the gear is greater than that of the eccentric sleeve, and the gear is abutted with the pull rod connecting arm.

[0023] By adopting the above technical scheme, the staff installs the eccentric sleeve from the bottom of the pull rod connecting arm upwards, and the bottom of the pull rod connecting arm is abutted by the gear.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] The utility model discloses a gear, a rack, a screw rod, a lock bolt, a gasket and a lock nut are arranged, the rack is displaced by rotating the screw rod, the rack is engaged with the gear after displacement and drives the eccentric sleeve to rotate, so that the eccentric sleeve is rotated to adjust the position of the steering ball head, after adjusting the position of the steering ball head, the gasket is placed on the lock bolt and two lock nuts are tightened, so that the screw rod is limited, and then the rack cannot be displaced, and the gear cannot drive the eccentric sleeve to rotate to adjust the position of the steering ball head. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the utility model;

[0027] Figure 2 It is a gear down view structural schematic diagram of the utility model;

[0028] Figure 3This is a schematic diagram of the cross-sectional structure of the tie rod connecting arm of this utility model;

[0029] Figure 4 This is a schematic diagram of the eccentric sleeve explosion structure of this utility model.

[0030] In the diagram: 1. Steering knuckle body; 2. Shock absorber connecting arm; 3. Tie rod connecting arm; 4. Lower control arm connecting arm; 5. Drive shaft hole; 6. Mounting hole; 7. Eccentric sleeve; 8. Steering ball joint; 9. Limit nut; 10. Limit pin; 11. Gear; 12. Rack; 13. Screw; 14. Anti-loosening bolt; 15. Washer; 16. Anti-loosening nut. Detailed Implementation

[0031] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0032] The embodiments of this utility model will be described below based on its overall structure.

[0033] Example 1:

[0034] A steering knuckle assembly, such as Figures 1-4 As shown, the assembly includes a steering knuckle body 1 and a tie rod connecting arm 3. An eccentric sleeve 7 is internally connected to the tie rod connecting arm 3, and a gear 11 is connected to the bottom of the eccentric sleeve 7. The gear 11 meshes with a rack 12. After the rack 12 is displaced, it meshes with the gear 11, driving the eccentric sleeve 7 to rotate, thereby adjusting the position of the steering ball joint 8. A screw 13 passes through the lower outer surface of the tie rod connecting arm 3, and a rack 12 is externally connected to the screw 13. The rack 12 is threadedly connected to the screw 13, and the rack 12 is slidably connected to the tie rod connecting arm 3. When the operator rotates the screw 13, the rack 12 is displaced, and after displacement, it meshes with the gear 11, driving the eccentric sleeve 7 to rotate. One end of the screw 13 is provided with an anti-loosening bolt 14. The diameter of the anti-loosening bolt 14 is smaller than the diameter of the screw 13. The anti-loosening bolt 14 is provided with a washer 15 and two anti-loosening nuts 16. The anti-loosening nuts 16 are threadedly connected to the anti-loosening bolt 14. The washer 15 abuts against the anti-loosening nuts 16 and the connecting arm 3 of the pull rod. The washer 15 is placed on the anti-loosening bolt 14 and the two anti-loosening nuts 16 are tightened. The setting of the washer 15 increases the contact area between the anti-loosening nuts 16 and the connecting arm 3 of the pull rod, thereby limiting the screw 13, thus preventing the rack 12 from moving and preventing the gear 11 from driving the eccentric sleeve 7 to rotate and adjust the position of the steering ball head 8.

[0035] See Figures 1-4In the above embodiment, the shock absorber connecting arm 2 is fixed on the top of the knuckle body 1, and the shock absorber of the automobile can be connected with the shock absorber connecting arm 2; the lower swing arm connecting arm 4 is fixed on the bottom of the knuckle body 1, and the lower swing arm of the automobile can be connected with the lower swing arm connecting arm 4; the mounting hole 6 is arranged on one side of the outer surface of the knuckle body 1, and the knuckle body 1 can be connected with the automobile through the mounting hole 6; the transmission shaft hole 5 is arranged in the middle of the outer surface of the knuckle body 1, and the transmission shaft of the automobile connecting wheel can pass through the transmission shaft hole 5; the pull rod connecting arm 3 is fixed on one side of the knuckle body 1, and the eccentric sleeve 7 is provided with the steering ball head 8 penetrating through the top, and the steering pull rod of the automobile can be connected with the steering ball head 8.

[0036] Embodiment two:

[0037] On the basis of the above embodiment one, in order to facilitate the installation of the eccentric sleeve 7, the following settings are made.

[0038] Reference Figures 1-4 In the above embodiment, the limit nut 9 is sleeved outside the steering ball head 8, the steering ball head 8 is detachably connected with the eccentric sleeve 7 through the limit nut 9, the steering ball head 8 is loaded from the top of the eccentric sleeve 7, then the limit nut 9 is sleeved on the bottom end of the steering ball head 8 and is tightened, so as to limit the steering ball head 8, and the steering ball head 8 is prevented from falling off; the limit pin 10 penetrates through one side of the outer surface of the eccentric sleeve 7, the eccentric sleeve 7 is detachably connected with the pull rod connecting arm 3 through the limit pin 10, the diameter of the gear 11 is greater than that of the eccentric sleeve 7, the gear 11 abuts against the pull rod connecting arm 3, the eccentric sleeve 7 is loaded from the bottom of the pull rod connecting arm 3 upwards, the gear 11 abuts against the bottom of the pull rod connecting arm 3, so as to prevent the eccentric sleeve 7 from falling off upwards, then the limit pin 10 in interference fit is penetrated through the eccentric sleeve 7, so as to prevent the eccentric sleeve 7 from falling off downwards, and the installation operation of the eccentric sleeve 7 is completed.

[0039] The implementation principle of the utility model is as follows: first, the eccentric sleeve 7 is loaded from the bottom of the pull rod connecting arm 3 upwards, the gear 11 abuts against the bottom of the pull rod connecting arm 3, so as to prevent the eccentric sleeve 7 from falling off upwards, then the limit pin 10 in interference fit is penetrated through the eccentric sleeve 7, so as to prevent the eccentric sleeve 7 from falling off downwards, and the installation operation of the eccentric sleeve 7 is completed, then the steering ball head 8 is loaded from the top of the eccentric sleeve 7, then the limit nut 9 is sleeved on the bottom end of the steering ball head 8 and is tightened, so as to limit the steering ball head 8, and the steering ball head 8 is prevented from falling off;

[0040] When the position of the steering ball head 8 needs to be adjusted, the worker rotates the screw rod 13 to displace the rack 12, and the rack 12 is displaced to engage with the gear 11 to drive the eccentric sleeve 7 to rotate, so that the eccentric sleeve 7 is rotated to adjust the position of the steering ball head 8; after the position of the steering ball head 8 is adjusted, the worker places the gasket 15 on the lock bolt 14 and tightens the two lock nuts 16, and the gasket 15 is arranged to increase the contact area between the lock nut 16 and the pull rod connecting arm 3, so that the screw rod 13 is limited, and then the rack 12 cannot be displaced, and the gear 11 cannot drive the eccentric sleeve 7 to rotate to adjust the position of the steering ball head 8;

[0041] After the adjustment is completed, the worker can connect the shock absorber of the automobile with the shock absorber connecting arm 2, connect the steering pull rod of the automobile with the steering ball head 8, connect the lower swing arm of the automobile with the lower swing arm connecting arm 4, pass the transmission shaft hole 5 through the transmission shaft of the automobile, and connect the steering knuckle body 1 with the automobile through the mounting hole 6, so that the installation operation is completed.

[0042] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and changes without creative contribution after reading the specification without departing from the principles and purposes of the utility model, and the utility model is protected by the patent law as long as it is within the scope of the claims of the utility model.

Claims

1. A knuckle assembly comprising a knuckle body (1) and a drag link connecting arm (3), characterised in that: The pull rod connecting arm (3) is internally connected with an eccentric sleeve (7), the bottom of the eccentric sleeve (7) is connected with a gear (11), the outer surface of the pull rod connecting arm (3) is penetrated by a screw rod (13), and the outer surface of the screw rod (13) is connected with a rack (12); one end of the screw rod (13) is provided with a check bolt (14), and the outer surface of the check bolt (14) is respectively provided with a gasket (15) and two check nuts (16).

2. The knuckle assembly of claim 1, wherein: The rack (12) is threadedly connected with the screw rod (13), and the rack (12) is slidingly connected with the pull rod connecting arm (3).

3. The knuckle assembly of claim 2, wherein: The gear (11) is engaged with the rack (12).

4. The knuckle assembly of claim 1, wherein: The diameter of the check bolt (14) is smaller than that of the screw rod (13), and the check nuts (16) are threadedly connected with the check bolt (14).

5. The knuckle assembly of claim 4, wherein: The gasket (15) abuts against the check nuts (16) and the pull rod connecting arm (3) respectively.

6. The knuckle assembly of claim 1, wherein: The knuckle body (1) is fixedly connected with a shock absorber connecting arm (2) at the top, a lower swing arm connecting arm (4) at the bottom, an installation hole (6) is formed in one side of the outer surface of the knuckle body (1), a transmission shaft hole (5) is formed in the middle of the outer surface of the knuckle body (1), the pull rod connecting arm (3) is fixed to one side of the knuckle body (1), and a steering ball head (8) penetrates through the top of the eccentric sleeve (7).

7. The knuckle assembly of claim 6, wherein: The outer surface of the steering ball head (8) is sleeved with a limiting nut (9), and the outer surface of the eccentric sleeve (7) is penetrated by a limiting pin (10).

8. The knuckle assembly of claim 7, wherein: The eccentric sleeve (7) is detachably connected with the pull rod connecting arm (3) through the limiting pin (10), and the steering ball head (8) is detachably connected with the eccentric sleeve (7) through the limiting nut (9).

9. The knuckle assembly of claim 8, wherein: The diameter of the gear (11) is greater than that of the eccentric sleeve (7), and the gear (11) abuts against the pull rod connecting arm (3).

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