CN215762780U

CN215762780U - Suspension type steering ball head

Info

Publication number: CN215762780U
Application number: CN202121373886.6U
Authority: CN
Inventors: 刘继华
Original assignee: Taizhou Aoxingna Machinery Co ltd
Current assignee: Taizhou Aoxingna Machinery Co ltd
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-02-08
Anticipated expiration: 2031-06-21

Abstract

The utility model provides a suspension type steering ball head, and belongs to the technical field of automobile suspension parts. The novel ball head dustproof cover solves the problems that an existing ball head dustproof cover is easy to separate from a ball head seat, loses the protection effect and is short in service life. The suspension type steering ball head comprises a ball head seat and a ball head pin, wherein a ball head part is arranged on the ball head pin, the ball head part of the ball head pin is movably arranged in the ball head seat, a protective cover is arranged between the ball head seat and the ball head pin, the upper end of the protective cover is sleeved on the ball head pin and is in interference fit with the ball head pin, and a clamping structure capable of preventing the lower end of the protective cover from being pulled and separated from the ball head seat is arranged between the protective cover and the ball head seat. The protective cover of the utility model is not easy to separate from the ball seat, and has stable structure and long service life.

Description

Suspension type steering ball head

Technical Field

The utility model belongs to the technical field of automobile suspension parts, and relates to a suspension type steering ball head.

Background

The ball head assembly plays a key role in the operation stability, the driving smoothness and the safety of the vehicle.

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 head pin and a dust cover, wherein the central axis of the ball head seat forms an angle of 8 degrees with the metal plate, and forms an angle of 30 degrees with the horizontal plane, the upper end of the outer surface of the seat body is provided with a circle of clamping grooves, the ball head seat is provided with three connecting holes, the bottom of the ball head pin is of a sphere structure, the middle part of the ball head pin is of a frustum structure, the top of the ball head pin is of a screw structure, the central position of the screw is provided with a pin hole, the upper end of the dust cover is fixedly connected with the ball head pin, and the lower end of the dust cover is fixed in the clamping groove of the ball head seat.

In foretell car steering ball round pin, this dust cover upper end and bulb round pin fastening connection, the lower extreme is fixed in the draw-in groove of bulb seat, and when the bulb round pin rotated the pulling dust cover in the bulb seat, this dust cover all carried out elastic deformation repeatedly through the elasticity of self, and when using for a long time, this dust cover was separated from with the bulb seat easily, lost the effect of protection, and life is short, and it is inconvenient to use.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a suspended steering ball head which is simple in structure, stable in connection structure and long in service life, and a dust cover and a ball head seat are not easy to separate.

The purpose of the utility model can be realized by the following technical scheme: a suspension type steering ball head comprises a ball head seat and a ball head pin, wherein a ball head part is arranged on the ball head pin, the ball head part of the ball head pin is movably arranged in the ball head seat, and a protective cover is arranged between the ball head seat and the ball head pin; the card structure of joining in marriage include annular support skeleton, annular support skeleton on have the pawl of falling of circumference interval distribution, the outer wall of the port of the upper end of bulb seat on have the ring groove of indent setting, the pawl card of falling of annular support skeleton be located the ring groove of the upper end of the corresponding bulb seat in, the lower extreme of protection casing and bulb seat between still be provided with and lean on seal structure.

The suspension type steering ball head is mainly provided with the annular supporting framework for preventing the protective cover from being out of clamping and deforming at the joint of the protective cover and the ball head seat, can effectively inhibit the deformation of the protective cover from being out of the ball head seat, and has stable structure, stable connection between the ball head seat and the protective cover and long service life.

In the suspension type steering ball head, the inner wall of the port at the lower end of the abutting sealing structure including the protective cover is provided with an inward convex inverted clamping bulge, the inverted clamping bulge is of an annular structure, and the inverted clamping bulge and the outer wall of the port at the upper end of the ball head seat abut against the sealing. The purpose of setting up like this can prevent effectively that the port of the lower extreme of protection casing from leaking, and the leakproofness is good, stable in structure.

In foretell suspension type turns to bulb, annular support skeleton through the bending type of self form the concave position of U type, the port of the lower extreme of protection casing and the concave position adaptation of U type of annular support skeleton, the mouth of the port of the lower extreme of annular support skeleton and protection casing link firmly along the mode through vulcanizing, the inner wall of the concave position of U type of annular support skeleton inlay locate the mouth of the port of the lower extreme of protection casing along in, and the inner wall of the concave position of U type of this annular support skeleton extend to the bellied below of the card of falling of the lower extreme of protection casing. The purpose of this is: the inner wall circumference interval of the U type concave position that makes annular support skeleton supports in the card of falling of the lower extreme of protection casing arch, prevents that the protruding elasticity extrusion of falling card of the lower extreme of protection casing is sealed and is deformed, and is sealed effectual, stable in structure.

In a suspension type steering ball head, the cross section of the inner wall of the U-shaped concave position of the annular supporting framework is distributed in an inclined manner from outside to inside, and the inner wall of the U-shaped concave position of the annular supporting framework extends to the lower part of the inverted clamping bulge at the lower end of the protective cover and is used for inclined support. The purpose of this is: the supporting acting force supported on the inverted clamping bulge can be effectively increased, and the structure is stable; during actual assembly, a step surface is formed on the lower groove wall of the annular clamping groove of the ball head seat, and the bottom of the U-shaped concave position of the annular supporting framework is abutted against the lower groove wall of the annular clamping groove, so that the annular supporting framework is stable in stress.

In foretell a suspension type turns to bulb, the inner wall of the port of the upper end of protection casing be sawtooth ring form, when the upper end cover of protection casing was established and is assembled on the bulb round pin, and the port and the bulb round pin of the upper end of this protection casing contradict and grind the cooperation of leveling. The purpose that sets up like this is that the inner wall of the port that makes the upper end of protection casing has the deformation volume that the conflict ground level, laminates more when making the inner wall of the port of the upper end of protection casing and ball round pin conflict cooperation, stable in structure.

In the suspension type steering ball head, the inner wall of the port at the upper end of the protective cover is provided with an annular broken groove, and an elastic support ring with an L-shaped cross section is embedded in the annular broken groove. The purpose of this is: when the port and the ball head pin of the upper end of the protection cover are sleeved and assembled, the elastic acting force of the interference fit of the port of the upper end of the protection cover can be effectively increased, so that the interference fit of the inner wall of the port of the upper end of the protection cover and the ball head pin is stable.

In the suspension type steering ball head, the ball head seat is internally provided with an upper ball bowl and a lower ball bowl, and the ball head part of the ball head pin is positioned between the upper ball bowl and the lower ball bowl which are made of the ball head. During actual assembly, a spring ring is arranged between the upper ball bowl and the riveting ring of the ball head seat, the upper ball bowl is elastically abutted and matched with the riveting ring of the ball head seat through the spring ring, and when the ball head part of the ball head pin movably rotates between the upper ball bowl and the lower ball bowl, the upper ball bowl can elastically move up and down, so that the structure is stable; in order to make the lubricating oil of the ball head part of the ball head pin in the ball head seat leak outwards, an elastic sealing element is arranged between the port at the upper end of the ball head seat and the ball head pin.

In foretell suspension type turns to bulb, the intermediate position of lower ball bowl have oil opening, the intermediate position of the inner bottom of bulb seat is provided with the oil pan, the bulb seat on still have the glib talker of slope setting, this glib talker passes through the oil pan, oil opening lubricates in the bulb portion of bulb round pin. The purpose of this is to make: the ball head of the ball head pin can be fully lubricated between the lower ball bowl and the upper ball bowl in the ball head seat, the lubricating effect is good, and the abrasion is less.

Compared with the prior art, the suspension type steering ball head has the advantages that: the ball head structure has the advantages of reasonable and simple structural design, high structural stability, good lubricating effect of the ball head part of the ball head pin between the upper ball bowl and the lower ball bowl in the ball head seat, less abrasion, long service life and convenient use, and the deformation of the protective cover separated from the ball head seat is restrained by the annular supporting framework.

Drawings

Fig. 1 is a schematic sectional view of an exploded view of the present suspended steering bulb.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic top view of an annular support frame in a suspended steering bulb.

In the figure, 1, a ball socket; 2. a ball stud; 3. a ball head portion; 4. a protective cover; 5. reversely clamping the bulge; 6. an annular neck; 7. an annular support frame; 8. u-shaped concave positions; 9. an annular break groove; 10. an elastic support ring; 11. putting a ball bowl; 12. a ball bowl is arranged; 13. an oil port; 14. an oil bottom groove; 15. and (4) a nozzle tip.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the suspension type steering ball head mainly comprises a ball head seat 1 and a ball head pin 2, wherein the ball head pin 2 is provided with a ball head part 3, the ball head seat 1 is internally provided with an upper ball bowl 11 and a lower ball bowl 12, and the ball head part 3 of the ball head pin 2 is movably positioned between the upper ball bowl 11 and the lower ball bowl 12 made by the ball head; in actual manufacturing, the lower bowl 12 has an oil through hole 13 at an intermediate position, an oil bottom groove 14 is provided at an intermediate position of an inner bottom of the ball cup 1, and the ball cup 1 further has an oil nipple 15 obliquely provided, and the oil nipple 15 is lubricated to the ball head portion 3 of the ball stud 2 through the oil bottom groove 14 and the oil through hole 13.

During actual manufacturing, a protective cover 4 is arranged between the ball head seat 1 and the ball head pin 2, the upper end of the protective cover 4 is sleeved on the ball head pin 2 and is in interference fit with the ball head pin 2, and a clamping structure capable of preventing the lower end of the protective cover 4 from being pulled and separated from the ball head seat 1 is arranged between the protective cover 4 and the ball head seat 1; in actual manufacturing, the specific implementation of the snap-fit structure is as follows: the ball head seat mainly comprises an annular supporting framework 7, wherein the annular supporting framework 7 is provided with inverted clamping teeth 7a distributed at intervals in the circumferential direction, the outer wall of a port at the upper end of the ball head seat 1 is provided with an annular clamping groove 6 arranged in an inwards concave manner, the inverted clamping teeth 7a of the annular supporting framework 7 are clamped in the annular clamping groove 6 at the upper end of the corresponding ball head seat 1, and a propping and sealing structure is also arranged between the lower end of the protective cover 4 and the ball head seat 1; the abutting sealing structure comprises the following specific embodiments: an inward convex inverted clamping bulge 5 is arranged on the inner wall of the port at the lower end of the protective cover 4, the inverted clamping bulge 5 is of an annular structure, and the inverted clamping bulge 5 and the outer wall of the port at the upper end of the ball seat 1 are abutted and sealed.

During actual manufacturing, the annular supporting framework 7 is bent to form a U-shaped concave position 8, the port at the lower end of the protective cover 4 is matched with the U-shaped concave position 8 of the annular supporting framework 7, and the ports of the annular supporting framework 7 and the port at the lower end of the protective cover 4 are fixedly connected in a vulcanization mode; the inner wall of the U-shaped concave position 8 of the annular supporting framework 7 is embedded in the opening edge of the port at the lower end of the protective cover 4, the cross section of the inner wall of the U-shaped concave position 8 of the annular supporting framework 7 is distributed in an inclined mode from outside to inside, and the inner wall of the U-shaped concave position 8 of the annular supporting framework 7 extends to the lower portion of the inverted clamping protrusion 5 at the lower end of the protective cover 4 and is used for inclined support.

During actual manufacturing, the inner wall of the port at the upper end of the protective cover 4 is in a sawtooth ring shape, and when the upper end of the protective cover 4 is sleeved on the ball stud 2, the port at the upper end of the protective cover 4 is in interference, grinding and matching with the ball stud 2; in practical application, an annular broken groove 9 is formed in the inner wall of the port at the upper end of the protective cover 4, and an elastic support ring 10 with an L-shaped cross section is embedded in the annular broken groove 9.

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 utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. A suspension type steering ball head comprises a ball head seat (1) and a ball head pin (2), wherein a ball head part (3) is arranged on the ball head pin (2), the ball head part (3) of the ball head pin (2) is movably arranged in the ball head seat (1), and a protective cover (4) is arranged between the ball head seat (1) and the ball head pin (2), and is characterized in that the upper end of the protective cover (4) is sleeved on the ball head pin (2) and is in interference fit with the ball head pin (2), and a clamping structure capable of preventing the lower end of the protective cover (4) from being pulled and separated from the ball head seat (1) is arranged between the protective cover (4) and the ball head seat (1); the card structure of joining in marriage include annular supporting framework (7), annular supporting framework (7) on have the pawl (7 a) of falling of circumference interval distribution, the outer wall of the port of the upper end of bulb seat (1) on have annular groove (6) that the indent set up, the pawl (7 a) screens of falling of annular supporting framework (7) in annular groove (6) of the upper end of corresponding bulb seat (1), the lower extreme of protection casing (4) and bulb seat (1) between still be provided with and lean on seal structure.

2. A suspended steering ball according to claim 1, characterised in that the abutting sealing structure comprises an inwardly protruding reverse clamping protrusion (5) on the inner wall of the port at the lower end of the protective cover (4), the reverse clamping protrusion (5) is of an annular structure, and the reverse clamping protrusion (5) abuts against the outer wall of the port at the upper end of the ball seat (1) for sealing.

3. A suspended steering ball head according to claim 2, wherein the annular support frame (7) is bent to form a U-shaped recess (8), the port at the lower end of the protective cover (4) is adapted to the U-shaped recess (8) of the annular support frame (7), the ports of the annular support frame (7) and the port at the lower end of the protective cover (4) are fixedly connected in a vulcanization manner, the inner wall of the U-shaped recess (8) of the annular support frame (7) is embedded in the port at the lower end of the protective cover (4), and the inner wall of the U-shaped recess (8) of the annular support frame (7) extends to below the inverted buckle protrusion (5) at the lower end of the protective cover (4).

4. A suspended steering ball head according to claim 3, characterized in that the cross section of the inner wall of the U-shaped concave part (8) of the annular supporting framework (7) is distributed in an inclined manner from outside to inside, and the inner wall of the U-shaped concave part (8) of the annular supporting framework (7) extends to the lower part of the inverted clamping bulge (5) at the lower end of the protective cover (4) for inclined support.

5. A suspended steering ball head according to claim 4, characterized in that the inner wall of the port at the upper end of the protective cover (4) is in the shape of a sawtooth ring, and when the upper end of the protective cover (4) is sleeved on the ball pin (2), the port at the upper end of the protective cover (4) and the ball pin (2) are in interference and friction fit.

6. A suspended steering ball according to claim 5, characterized in that the inner wall of the port at the upper end of the shield (4) is provided with an annular groove (9), and an elastic support ring (10) with an L-shaped cross section is embedded in the annular groove (9).

7. A suspended steering ball according to claim 1 or 5, characterised in that the ball seat (1) has an upper ball bowl (11) and a lower ball bowl (12) therein, and the ball head part (3) of the ball stud (2) is located between the upper ball bowl (11) and the lower ball bowl (12) made of the ball head.

8. A suspended steering ball according to claim 7, characterized in that the lower ball bowl (12) has an oil through hole (13) at the middle position, an oil bottom groove (14) is provided at the middle position of the inner bottom of the ball seat (1), the ball seat (1) is further provided with an oil nozzle (15) which is obliquely arranged, and the oil nozzle (15) is lubricated on the ball head part (3) of the ball stud (2) through the oil bottom groove (14) and the oil through hole (13).