CN209870492U

CN209870492U - Suspension ball head for adjusting automobile toe-in

Info

Publication number: CN209870492U
Application number: CN201920685568.XU
Authority: CN
Inventors: 刘继华
Original assignee: TAIZHOU AOXINGNA MACHINERY Co Ltd
Current assignee: TAIZHOU AOXINGNA MACHINERY Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2019-12-31
Anticipated expiration: 2029-05-14

Abstract

The utility model provides a toe-in adjustment is with hanging bulb belongs to auto-parts technical field. It has solved the current ball head of hanging and has been not convenient for toe-in adjustment scheduling problem. This automobile toe adjustment is with hanging in bulb sliding direction that connecting hole provided for waist shape hole and waist shape hole is unanimous with the extension direction of connecting plate, bulb portion has lubricated recess, the axis of ball round pin is 9 and the contained angle of perpendicular line inclines to keeping away from connecting plate side with pole portion, the spherical shell passes through step portion and is linked into an organic whole with the connecting plate, the top surface level of step portion and the top setting that is higher than the connecting plate, the equal circular arc transition of crossing department of step portion and connecting plate, the inner wall of ball seat has the supporting part of radial protrusion in order to support bulb portion first, be equipped with between shrouding and the ball seat and provide elasticity and make the ball seat contradict in bulb portion's. The utility model has the advantages of convenient toe-in adjustment, good lubricating effect, long service life and the like.

Description

Suspension ball head for adjusting automobile toe-in

Technical Field

The utility model belongs to the technical field of auto-parts, a auto-suspension accessory is related to, in particular to automobile toe-in adjustment is with hanging bulb.

Background

The toe-in of the vehicle means that the distance between the front ends (in the vehicle traveling direction) of the two front wheels of the vehicle is slightly smaller than the distance between the rear ends, the difference between the two distances becomes toe-in, and four-wheel alignment is periodically required to maintain an appropriate toe-in value of the front wheels. In order to avoid movement interference, the automobile front beam rod and the steering knuckle are connected through a suspension ball head.

For example, chinese patent literature discloses an automobile steering ball pin [ application number: 201120225237.1, respectively; authorization notice number: CN202180847U ], which comprises a ball head seat, a ball pin and a dust cover, wherein the central axis of the ball head seat forms an angle of 8 ° with the metal plate, and forms an angle of 30 ° with the horizontal plane, the upper end of the outer surface of the seat body is provided with a circle of slots, the ball head seat is provided with three connecting holes, the bottom of the ball pin is a sphere structure, the middle part is a frustum structure, the top is a screw structure, the center of the screw is provided with a pin hole, the upper end of the dust cover is fastened with the ball pin, and the lower end is fixed in the slot.

Foretell car turns to ball round pin passes through the design of the contained angle of bulb seat central axis and perpendicular and linking arm and horizontal plane, the stable connection of knuckle and swing arm has been realized, also the optimal design positioning parameter such as front wheel toe-in, but its three connecting hole that sets up on the bulb seat is the round hole that link up, the bulb seat position is fixed, the adjustment of front wheel toe-in is not convenient for, and the ball round pin is bottom and the bulb pad of spheroid structure, the lubricating effect between the bulb cover is not good, easy wearing and tearing, life has been reduced, the bulb cover supports partially softly to the first half of bulb round pin bottom, influence ball round pin bottom pivoted stability, the clearance between the bottom of wearing and tearing back ball round pin and the bulb pad can not obtain the compensation, can produce the problem of spacious, abnormal sound.

Disclosure of Invention

The utility model aims at providing a make things convenient for toe-in adjustment, lubricated effectual, long service life's car toe-in adjustment with hanging bulb to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: a suspension ball head for adjusting a front beam of an automobile comprises a sealing plate, a ball seat, a ball shell, a ball pin and a dust cover, wherein the ball seat is arranged in the ball shell, the ball pin is provided with a ball head part arranged in the ball seat, the ball pin is also provided with a rod part extending out of the ball shell, the sealing plate is arranged at the bottom end of the ball shell, the ball shell is provided with a connecting plate which extends in the radial direction and is horizontally arranged, the connecting plate is provided with a connecting hole which is vertically communicated, the lower end of the dust cover is fixedly connected to the upper part of the ball shell through a clamping ring, and the upper end of the dust cover is sleeved on the rod part of the ball pin through the clamping ring, the suspension ball head is characterized in that the connecting hole is a waist-shaped hole, the sliding direction provided by the waist-shaped hole is consistent with the extending direction of the connecting plate, the ball head part is provided with a lubricating groove, the included angle between the axis of, the top surface level of step portion and the top setting that is higher than the connecting plate, the equal circular arc transition of crossing department of step portion and connecting plate, the inner wall of ball seat have radial protrusion with the supporting part of supporting bulb first half, shrouding and ball seat between be equipped with and provide elasticity and make the ball seat contradict in the elastic component of bulb all the time.

In the suspension ball head for adjusting the automobile toe-in, the number of the connecting holes is two, the aperture size of the connecting hole close to the step part is larger than that of the connecting hole close to the end part of the connecting plate, and the hole centers of the two connecting holes and the axis of the ball pin are in the same plane.

In the suspension ball head for adjusting the automobile toe-in, the bottom surface of the connecting plate is provided with the waist-shaped limiting hole, the hole center of the waist-shaped limiting hole is consistent with the hole center of the connecting hole close to the end part of the connecting plate, and the aperture size of the waist-shaped limiting hole is larger than that of the connecting hole close to the end part of the connecting plate.

In the suspension ball head for adjusting the automobile toe-in, the two parallel inner side walls of the connecting hole are provided with the protruded and uniformly distributed teeth.

In the suspension ball head for adjusting the automobile toe-in, the lubricating groove is in a ring shape and bypasses the bottom and the top of the ball head part.

In foretell automobile toe adjustment is with hanging bulb, the bottom of ball seat be the through-hole, the inner wall that the ball seat supplies the bulb portion to contradict has the oily groove of crossing of a plurality of circumference equipartitions, the upper end of crossing oily groove communicate in the top surface of ball seat, the lower extreme of crossing oily groove communicates in the through-hole.

In the suspension ball head for adjusting the automobile toe-in, the middle part of the sealing plate is in threaded connection with the oil nozzle.

In the suspension ball head for adjusting the automobile toe-in, the elastic member is a disc spring, and the large end of the disc spring is supported at the bottom of the ball seat. The dish spring is effectual to the support of ball seat like this, and the dish spring provides elasticity and makes the ball seat contradict in the bulb portion all the time.

In the suspension ball head for adjusting the automobile toe-in, the part of the rod part, which is sleeved with the upper end of the dust cover, is a cylindrical section, and the end part, which is close to the ball head part, of the cylindrical section is provided with a circle of radially protruding retaining shoulders.

In the suspension ball head for adjusting the automobile toe-in, the inner wall of the upper end of the dust cover is provided with a plurality of rings of annular grooves which are uniformly distributed in the axial direction.

Compared with the prior art, this automobile toe-in adjustment makes things convenient for the adjustment of front wheel toe-in with hanging the bulb, can improve the firm in connection nature, and structural strength is high moreover, and bearing capacity is good, can compensate the wearing and tearing clearance, can not produce the problem of pine spacious, abnormal sound, and the protecting effect of dust cover is good, long service life.

Drawings

FIG. 1 is a schematic front view of a suspension ball head for adjusting the toe-in of an automobile

Fig. 2 is a schematic plan view of the suspension ball head for adjusting the toe-in of the automobile.

Fig. 3 is an enlarged view of the structure of fig. 1 at circle a.

Fig. 4 is a sectional view showing a ball seat of a suspension head for adjusting toe-in of a vehicle.

Fig. 5 is an enlarged view of the structure of fig. 1 at circle B.

In the figure, 1, closing plate; 2. a ball seat; 21. a through hole; 22. an oil passing groove; 3. a spherical shell; 31. a connecting plate; 311. connecting holes; 312. a waist-shaped limiting hole; 313. teeth; 32. a step portion; 33. a support portion; 4. a ball pin; 41. a ball head portion; 411. lubricating the groove; 42. a rod portion; 421. a cylindrical section; 422. a shoulder block; 5. a dust cover; 51. an annular groove; 6. a nozzle tip; 7. a disc spring; a. and (4) an included angle.

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, 2 and 3, the suspension ball head for adjusting the toe-in of the automobile comprises a sealing plate 1, a ball seat 2, a ball shell 3, a ball pin 4 and a dust cover 5, wherein the ball seat 2 is arranged in the ball shell 3, the ball pin 4 is provided with a ball head part 41 arranged in the ball seat 2, the ball pin 4 is further provided with a rod part 42 extending out of the ball shell 3, the sealing plate 1 is arranged at the bottom end of the ball shell 3, the ball shell 3 is provided with a connecting plate 31 extending radially and horizontally, the connecting plate 31 is provided with a connecting hole 311 penetrating vertically, the lower end of the dust cover 5 is fixedly connected to the upper part of the ball shell 3 through a clamping ring, the upper end of the dust cover 5 is sleeved on the rod part 42 of the ball pin 4 through the clamping ring, the connecting hole 311 is a waist-shaped hole and provides a sliding direction which is consistent with the extending direction of the connecting plate 31, the ball head part 41 is provided with a, the spherical shell 3 is connected with the connecting plate 31 into a whole through the step part 32, the top surface level of the step part is higher than the top of the connecting plate 31, the step part 32 is in arc transition with the connecting plate 31, the inner wall of the spherical seat 2 is provided with the supporting part 33 which is radially protruded to support the upper half part of the spherical head part 41, the elastic part which is used for providing elasticity and enabling the spherical seat 2 to be always contradicted to the spherical head part 41 is arranged between the sealing plate 1 and the spherical seat 2, the elastic part is the disc spring 7, and the big end of the disc spring 7 is supported at the bottom of the spherical.

When the suspension ball head for adjusting the automobile toe-in is used, a connecting hole 311 of the connecting plate 31 is used for a bolt to penetrate, so that the connecting plate 31 is connected with a steering knuckle, the ball pin 4 is connected with the toe-in rod, when the toe-in needs to be adjusted, the bolt is loosened, the connecting hole 311 which is a waist-shaped hole facilitates sliding of the connecting plate 31, and after the toe-in is adjusted, the bolt is screwed down again to finish the fixed connection of the connecting plate 31 and the steering knuckle, so that the toe-in is adjusted conveniently; the lubricating groove 411 is convenient for lubricating grease to circulate, so that the lubricating effect between the ball head part 41 and the ball seat 2 is ensured, the abrasion is reduced, and the service life is prolonged; the arrangement of the axial line of the ball pin 4, the inclined direction of the rod part 42 and the step part 32 ensures the capability of the ball pin 4 for bearing axial tension and compression loads, weakens the transmission effect of the loads to the side of the connecting plate 31, avoids stress concentration at the intersection of the step part 32 and the connecting part, and has high integral structural strength of the step part 32 and the connecting plate 31; the supporting effect of the supporting part 33 on the upper half part of the ball head part 41 is good, the rotational stability of the ball head part 41 is good, the elastic element enables the ball seat 2 to be always abutted to the ball head part 41 to compensate the abrasion gap, the generation of loose and abnormal sound problems is avoided, and the service life is prolonged.

Further saying in detail, the quantity of connecting hole 311 is two, the aperture size that is close to the connecting hole 311 of step portion 32 is greater than the aperture size that is close to the connecting hole 311 of connecting plate 31 tip, the hole center of two connecting holes 311 is in the coplanar with the axis of ball round pin 4, the great connecting hole 311 of aperture size supplies the great bolted connection of diameter like this, connecting plate 31 is close to step portion 32 department firm in connection nature good, the setting of two hole centers, form crisscross shearing force after avoiding connecting hole 311 and bolted connection, connecting plate 31 and knuckle firm in connection. The bottom surface of connecting plate 31 is equipped with the spacing hole 312 of waist shape, and the hole center of the spacing hole 312 of waist shape is unanimous with the hole center that is close to the connecting hole 311 of connecting plate 31 tip, and the aperture size of the spacing hole 312 of waist shape is greater than the aperture size that is close to the connecting hole 311 of connecting plate 31 tip, and the spacing hole 312 of waist shape is convenient for the gasket embedding in order to improve the fastness to connection. The two parallel inner side walls of the connecting holes 311 are provided with the convex teeth 313 which are uniformly distributed, the teeth 313 play a role in preventing looseness, bolts after connection are prevented from being loosened due to vibration, and the connection firmness of the connecting plate 31 and a steering knuckle is guaranteed.

The lubricating groove 411 is in a ring shape and bypasses the bottom and the top of the ball head portion 41, so that lubricating grease at the top and the bottom of the ball head portion 41 can circulate conveniently, the lubricating effect at the ball head portion 41 is ensured, the abrasion with the ball seat 2 and the supporting portion 33 is reduced, and the service life is prolonged. As shown in fig. 4, the bottom of ball seat 2 is through-hole 21, the inner wall that ball seat 2 supplies bulb portion 41 to contradict has the oily groove 22 of crossing of four circumference equipartitions, the upper end of crossing oily groove 22 communicates in the top surface of ball seat 2, the lower extreme of crossing oily groove 22 communicates in through-hole 21, through-hole 21 department supplies lubricating grease to save, play lubricated and certain effect of inhaling, it is convenient for lubricating grease to circulate to cross oil groove 22, guarantee the lubricated effect between ball seat 2 and the bulb portion 41, reducing wear, and service life is prolonged. 1 middle part threaded connection of shrouding has glib talker 6, and glib talker 6 is current standard component, through glib talker 6 to adding lubricating grease between shrouding 1 and the ball seat 2, convenient operation has guaranteed the lubricated effect of ball seat 2 department.

The position that pole portion 42 supplied the dust cover 5 upper end cover to establish is cylinder section 421, and the tip that cylinder section 421 is close to bulb portion 41 has the radial convex fender shoulder 422 of round, and cylinder section 421 avoids the dust cover 5 upper end to be pressed and excessive deformation, keeps off shoulder 422 and plays and stops, avoids dust cover 5 upper end landing to bulb portion 41 department, has guaranteed the guard effect of dust cover 5. As shown in fig. 5, the inner wall of the upper end of the dust cover 5 has three circles of axially and uniformly distributed annular grooves 51, and the arrangement of the annular grooves 51 ensures the effective contact area between the inner wall of the upper end of the dust cover 5 and the outer wall of the cylindrical section 421, so as to avoid the deformation of the upper end of the dust cover 5 and the gap generated between the upper end of the dust cover and the cylindrical section 421, ensure the protection effect of the dust cover 5, and prolong the service life.

Those not described in detail in this specification are within the skill of the art. 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 suspension ball head for adjusting a front beam of an automobile comprises a sealing plate (1), a ball seat (2), a ball shell (3), a ball pin (4) and a dust cover (5), wherein the ball seat (2) is arranged in the ball shell (3), the ball pin (4) is provided with a ball head part (41) arranged in the ball seat (2), the ball pin (4) is further provided with a rod part (42) extending out of the ball shell (3), the sealing plate (1) is arranged at the bottom end of the ball shell (3), the ball shell (3) is provided with a connecting plate (31) which extends radially and is horizontally arranged, the connecting plate (31) is provided with a connecting hole (311) which is vertically communicated, the lower end of the dust cover (5) is fixedly connected to the upper part of the ball shell (3) through a clamping ring, the upper end of the dust cover (5) is sleeved on the rod part (42) of the ball pin (4) through the clamping ring, and is characterized in that the sliding direction provided by the waist-shaped hole (311) is consistent with the extending direction of, bulb portion (41) lubricated recess (411) have, axis and the perpendicular line of ball round pin (4) contained angle (a) be 9 and pole portion (42) to keeping away from connecting plate (31) side slope, spherical shell (3) link integratively through step portion (32) and connecting plate (31), the top surface level of step portion (32) and be higher than the top setting of connecting plate (31), the equal circular arc transition of crossing department of step portion (32) and connecting plate (31), the inner wall of ball seat (2) have radial protrusion in order to support the supporting part (33) of the first half of bulb portion (41), shrouding (1) and ball seat (2) between be equipped with and provide elasticity and make ball seat (2) contradict in the elastic component of bulb portion (41) all the time.

2. The suspension ball head for adjusting the automobile toe-in is characterized in that the number of the connecting holes (311) is two, the aperture size of the connecting hole (311) close to the step part (32) is larger than that of the connecting hole (311) close to the end part of the connecting plate (31), and the hole centers of the two connecting holes (311) and the axis of the ball pin (4) are in the same plane.

3. The suspension ball head for adjusting the automobile toe-in is characterized in that a waist-shaped limiting hole (312) is formed in the bottom surface of the connecting plate (31), the center of the waist-shaped limiting hole (312) is consistent with the center of a connecting hole (311) close to the end of the connecting plate (31), and the aperture size of the waist-shaped limiting hole (312) is larger than that of the connecting hole (311) close to the end of the connecting plate (31).

4. The suspension ball head for adjusting the automobile toe-in is characterized in that two parallel inner side walls of the connecting hole (311) are provided with protruding and uniformly distributed teeth (313).

5. A suspension ball head for adjusting toe-in of a vehicle according to claim 1, 2, 3 or 4, wherein said lubrication groove (411) is in the shape of a loop and bypasses the bottom and top of the ball head portion (41).

6. The suspension ball head for adjusting the automobile toe-in is characterized in that a through hole (21) is formed in the bottom of the ball seat (2), a plurality of oil passing grooves (22) are circumferentially and uniformly distributed in the inner wall, abutted against the ball head portion (41), of the ball seat (2), the upper end of each oil passing groove (22) is communicated with the top surface of the ball seat (2), and the lower end of each oil passing groove (22) is communicated with the through hole (21).

7. The suspension ball head for adjusting the automobile toe-in is characterized in that the middle of the sealing plate (1) is in threaded connection with an oil nozzle (6).

8. A suspension bulb for adjusting toe-in of a vehicle according to claim 7, wherein the elastic member is a disc spring (7), and the large end of the disc spring (7) is supported on the bottom of the ball seat (2).

9. The suspension ball head for adjusting the automobile toe-in is characterized in that the part of the rod part (42) for sleeving the upper end of the dust cover (5) is a cylindrical section (421), and the end of the cylindrical section (421) close to the ball head part (41) is provided with a ring of radially protruding retaining shoulders (422).

10. The suspension ball head for adjusting the automobile toe-in is characterized in that the inner wall of the upper end of the dust cover (5) is provided with a plurality of circles of annular grooves (51) which are axially and uniformly distributed.