CN214451288U

CN214451288U - Shock-proof type car knuckle

Info

Publication number: CN214451288U
Application number: CN202120573373.3U
Authority: CN
Inventors: 陈候锋
Original assignee: Yuhuan Chuangyu Machinery Co ltd
Current assignee: Yuhuan Chuangyu Machinery Co ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-22
Anticipated expiration: 2031-03-19

Abstract

The utility model provides a shock-proof type car knuckle belongs to car knuckle technical field. It is poor that it has solved current auto steering knuckle shock attenuation effect, poor stability, the poor problem of life. This shock-proof type car knuckle, including body and rotation spindle nose, have two rotation portions that are the interval and set up on the body, the pinhole has all been seted up in two rotation portions, all inlay in the pinhole and be the axle sleeve of T style of calligraphy, the collar under has been seted up to the upper surface of axle sleeve bottom department, all be provided with in the pinhole and be used for the axle sleeve spacing pressure cover on the bellying seat, set up in the pressure cover and go up the collar corresponding with collar down, it communicates each other with collar down and forms an installation cavity to go up the collar, be provided with the spring in this installation cavity. The utility model has the advantages of the shock attenuation is effectual, stability is high and life is high.

Description

Shock-proof type car knuckle

Technical Field

The utility model belongs to the technical field of the auto steering knuckle, a knuckle, in particular to shock-proof type auto steering knuckle is related to.

Background

The steering knuckle is also called as a cleat, is one of important parts in an automobile steering axle, and can enable an automobile to stably run and sensitively transmit the running direction.

The knuckle generally includes steering spindle nose and two rotation portions, the steering spindle nose is connected with the wheel, all have the pinhole on two rotation portions, the pinhole is embedded to have the axle sleeve, the knuckle arm is connected in the axle sleeve cooperation in one of them pinhole, trapezoidal arm is connected in the axle sleeve cooperation in another pinhole, each wheel inboard has all set up the knuckle simultaneously, and connect through the front axle between two knuckles, trapezoidal arm in two knuckles is connected through the tie rod, the steering wheel passes through the swing of steering system control knuckle arm, thereby make one of them wheel turn to, this wheel drives the trapezoidal arm activity on another wheel through trapezoidal arm and tie rod, thereby make two wheels turn to. The steering knuckle arm and the trapezoid arm which are generally connected with the steering knuckle are provided with limiting parts, after the steering knuckle arm and the trapezoid arm are installed in the corresponding pin holes, the limiting parts on the steering knuckle arm and the trapezoid arm abut against the surface of the rotating part, and finally the steering knuckle arm and the trapezoid arm are locked through the locking piece.

The steering knuckle is used for transmitting and bearing the front load of the automobile and supporting and driving the wheels to steer. The existing steering knuckle has poor damping effect, poor stability and poor service life.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a shock-proof type car knuckle that stability is high, life is high.

The purpose of the utility model can be realized by the following technical proposal: a shock-absorbing automobile steering knuckle comprises a body and a rotating shaft head, wherein the body is provided with two rotating parts arranged at intervals, pin holes are formed in the two rotating parts, a steering knuckle arm and a trapezoid arm are respectively arranged in the corresponding pin holes, the shock-absorbing automobile steering knuckle is characterized in that a bulge seat which is radially and inwards bulged is arranged on the hole wall of each pin hole, a T-shaped shaft sleeve is embedded in each pin hole and is arranged on the bulge seat, the steering knuckle arm and the trapezoid arm are respectively connected in the corresponding shaft sleeves in a matching manner, a lower mounting ring is arranged on the upper surface at the bottom end of each shaft sleeve, a pressing sleeve used for limiting the shaft sleeve on the bulge seat is arranged in each pin hole, an upper mounting ring corresponding to the lower mounting ring is arranged in each pressing sleeve, the upper mounting ring and the lower mounting ring are mutually communicated to form a mounting cavity, and a spring is arranged in the mounting cavity, the shaft sleeve in still the axial seted up an oil duct, set up the annular oil groove that is linked together with the oil duct end on the internal perisporium of shaft sleeve, lie in annular oil groove bottom on the internal perisporium of shaft sleeve and still set up the oil storage annular that is linked together with annular oil groove.

In the shock-absorbing automobile steering knuckle, a plurality of shock-absorbing cushions I with shock-absorbing function are arranged between the pressure sleeve and the shaft sleeve, and a shock-absorbing cushion II with shock-absorbing function is arranged between the shaft sleeve and the boss.

In the shock-absorbing type automobile steering knuckle, the pressing sleeve is connected with the rotating part in a threaded fit mode.

In the damping type automobile steering knuckle, an extension groove extending outwards in the radial direction is formed in the inner wall of the top end of the oil duct, and a T-shaped plug is arranged in the top end of the oil duct.

In the shock-absorbing automobile steering knuckle, the outer diameter of the oil storage ring groove is smaller than that of the annular oil groove.

In the shock-absorbing automobile steering knuckle, the oil storage ring groove and the inner peripheral wall of the shaft sleeve are in circular arc transition.

Compared with the prior art, the damping type automobile steering knuckle has the damping effect on the steering knuckle arm and the trapezoidal arm through the spring, the first damping pad and the second damping pad, so that the steering of wheels is more stable.

Drawings

Fig. 1 is a schematic structural view of the present shock-absorbing type knuckle for an automobile.

Fig. 2 is a sectional view a-a of fig. 1 in the shock-absorbing type steering knuckle for an automobile.

In the figure, 1, a body; 2. rotating the shaft head; 3. a rotating part; 4. a pin hole; 5. a boss base; 6. a shaft sleeve; 7. a lower mounting ring; 8. pressing the sleeve; 9. an upper mounting ring; 10. a spring; 11. an oil passage; 12. an annular oil groove; 13. an oil storage ring groove; 14. a first shock absorption pad; 15. a second damping pad; 16. a plug; 17. a knuckle arm; 18. a locking member; 19. a limiting part.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the shock-absorbing type automobile steering knuckle comprises a body 1 and a rotating shaft head 2, wherein the body 1 is provided with two rotating parts 3 arranged at intervals, pin holes 4 are formed in the two rotating parts 3, a steering knuckle arm 17 and a trapezoid arm are respectively installed in the corresponding pin holes 4, a boss 5 protruding radially inwards is arranged on the hole wall of each pin hole 4, a T-shaped shaft sleeve 6 is embedded in each pin hole 4, the shaft sleeve 6 is placed on the boss 5, the steering knuckle arm 17 and the trapezoid arm are respectively connected in the corresponding shaft sleeve 6 in a matching manner, a lower mounting ring 7 is arranged on the upper surface of the bottom end of the shaft sleeve 6, a pressing sleeve 8 used for limiting the shaft sleeve 6 on the boss 5 is arranged in each pin hole 4, an upper mounting ring 9 corresponding to the lower mounting ring 7 is arranged in the pressing sleeve 8, the upper mounting ring 9 and the lower mounting ring 7 are communicated with each other to form a mounting cavity, and a spring 10 is arranged in the mounting cavity, an oil duct 11 has been seted up to the axial in the axle sleeve 6 still, seted up the annular oil groove 12 that is linked together with the oil duct 11 end on the internal perisporium of axle sleeve 6, lie in annular oil groove 12 bottom on the internal perisporium of axle sleeve 6 and still seted up the oil storage annular 13 that is linked together with annular oil groove 12, lubricating oil gets into from oil duct 11, flows into annular oil groove 12 and oil storage annular 13 in proper order in, contacts the outer wall of knuckle arm 17 or trapezoidal arm in oil storage annular 13, reaches lubricated effect. The oil storage ring groove 13 is equivalent to an oil storage space, and lubricating oil entering the oil storage ring groove 13 from the annular oil groove 12 can be stagnated and buffered in the oil storage ring groove 13, and then the outer wall of the knuckle arm 17 or the trapezoid arm is sufficiently lubricated.

Preferably, a plurality of shock-absorbing pads 14 for shock absorption are arranged between the pressing sleeve 8 and the shaft sleeve 6, and a shock-absorbing pad 15 for shock absorption is arranged between the shaft sleeve 6 and the boss 5.

The steering knuckle arm 17 and the limit part 19 on the trapezoid arm are respectively abutted against the top surface of the corresponding gland, and the tail ends of the steering knuckle arm 17 and the trapezoid arm penetrate out of the corresponding shaft sleeve 6 and are locked in the corresponding shaft sleeve 6 through the locking part 18. During the installation, spacing portion 19 suppression can play the effect of rapid compression under the effect of spring 10, shock pad two 15 and a plurality of shock pad 14 in the gland surface, later utilize retaining member 18 locking, under the supporting role of spring 10, make knuckle arm 17 inseparabler with trapezoidal arm complex, in addition, the vibrations power that knuckle arm 17 and trapezoidal arm brought is absorbed through spring 10, shock pad one 14 and shock pad two 15 in the during operation, the stability of the steering of improvement wheel.

In a further elaboration, the pressing sleeve 8 is connected with the rotating part 3 in a threaded fit mode, during assembly, the shaft sleeve 6 is directly placed into the pin hole 4, then the pressing sleeve 8 is locked to enable the pressing sleeve 8 to limit the shaft sleeve 6 in the pin hole 4, and the bottom of the pressing sleeve 8 abuts against the first damping pad 14.

In more detail, an extension groove extending radially outward is formed in an inner wall of the top end of the oil passage 11, a T-shaped plug 16 is disposed in the top end of the oil passage 11, the top of the plug 16 is disposed on the extension groove, and the lower end of the plug extends into the oil passage 11.

In more detail, the outer diameter of the oil storage ring groove 13 is smaller than the outer diameter of the annular oil groove 12, the oil storage ring groove 13 and the inner peripheral wall of the shaft sleeve 6 are in arc transition, and lubricating oil can pass through the arc and effectively and uniformly flow through the outer wall of the knuckle arm 17 or the trapezoidal arm.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A shock-absorbing automobile steering knuckle comprises a body (1) and a rotating shaft head (2), wherein the body (1) is provided with two rotating parts (3) arranged at intervals, pin holes (4) are formed in the two rotating parts (3), a steering knuckle arm (17) and a trapezoidal arm are respectively installed in the corresponding pin holes (4), the shock-absorbing automobile steering knuckle is characterized in that protruding seats (5) protruding inwards in the radial direction are arranged on the hole walls of the pin holes (4), shaft sleeves (6) in a T shape are embedded in the pin holes (4), the shaft sleeves (6) are placed on the protruding seats (5), the steering knuckle arm (17) and the trapezoidal arm are respectively connected in the corresponding shaft sleeves (6) in a matched mode, a lower installation ring (7) is arranged on the upper surface of the bottom end of each shaft sleeve (6), pressing sleeves (8) used for limiting the shaft sleeves (6) on the protruding seats (5) are arranged in the pin holes (4), the last collar (9) that corresponds with collar (7) down has been seted up in pressure cover (8), last collar (9) and lower collar (7) communicate each other and form an installation cavity, be provided with spring (10) in this installation cavity, axle sleeve (6) in still the axial seted up an oil duct (11), set up annular oil groove (12) that are linked together with oil duct (11) end on the internal perisporium of axle sleeve (6), lie in annular oil groove (12) bottom on the internal perisporium of axle sleeve (6) and still set up oil storage annular groove (13) that are linked together with annular oil groove (12).

2. The shock-absorbing automobile steering knuckle according to claim 1, characterized in that a plurality of shock-absorbing pads (14) for shock absorption are arranged between the pressing sleeve (8) and the shaft sleeve (6), and a shock-absorbing pad (15) for shock absorption is arranged between the shaft sleeve (6) and the boss (5).

3. A shock-absorbing steering knuckle for a vehicle according to claim 1, characterized in that said pressure sleeve (8) is connected to said rotating part (3) by a screw-fit.

4. The shock-absorbing type steering knuckle for automobile according to claim 1, characterized in that the inner wall of the top end of said oil duct (11) has an extended groove extending radially outward, and a T-shaped plug (16) is provided in the top end of said oil duct (11).

5. The shock-absorbing type steering knuckle for vehicles according to claim 1, wherein the oil storage ring groove (13) has an outer diameter smaller than that of the annular oil groove (12).

6. The shock-absorbing type automobile steering knuckle according to claim 1, wherein the oil storage ring groove (13) is in arc transition with the inner peripheral wall of the shaft sleeve (6).