CN213628482U - Automobile steering tie rod ball head connecting structure - Google Patents

Abstract

The utility model discloses a car steering linkage bulb connection structure relates to car steering linkage technical field. The utility model comprises a ball head component, a pull rod and an inner shell, wherein the ball head component is arranged in the inner shell, and the pull rod is positioned at the right lower part of the ball head component; the ball head assembly comprises a ball pin joint, a ball pin, a bottom plate and a dust cover; the middle part of the ball pin joint is provided with a first annular groove; a dust cover is sleeved on the peripheral side surface of the first annular groove; the lower end of the ball pin joint is fixedly connected with a ball pin; the bottom of the ball pin is provided with a positioning pad. The utility model discloses a ball round pin is located inside the dust cover, and ball round pin bottom is equipped with the locating pad, when guaranteeing the buffering elastic space between ball round pin and the locating pad, has high wear-resisting, elasticity performance is higher than the spring characteristic because of the locating pad, when the impact force that steering linkage connects the receiving is uneven about, can effectively overcome because of hard spacing, compression spring's elasticity plays the buffering, prevents that steering linkage connects and easily causes steering wheel shake and leading wheel angle nonconformity.

Description

Automobile steering tie rod ball head connecting structure

Technical Field

The utility model belongs to the technical field of the auto steering pull rod, especially, relate to an auto steering pull rod bulb connection structure.

Background

The traditional structure of the automobile steering tie rod joint is that a ball head gasket is arranged at the bottom of a ball head pin, then a spring is arranged below the ball head gasket, and a bottom cover is arranged below the spring. Such structural drawbacks are the elastic damping during the hard damping of the metal spring fitting and the hard stop between the ball stud and the ball washer. When the automobile runs to a certain kilometer, the limiting capacity and the precision are reduced along with the elastic attenuation; in another situation, when the driving road is not flat, the impact force of the road is transmitted to the steering wheel, so that the steering wheel shakes; and the impact on the left and right front wheels due to uneven road surface cannot be balanced, and due to the hard limit of the steering pull rod joint, when the impact force of the left and right unbalanced impact reaches a certain magnitude, the hard limit of the left and right steering pull rod joints can generate unbalanced limit capacity, so that the rotation angles of the left and right steering wheels are inconsistent.

The existing steering pull rod joint easily causes the shaking of a steering wheel and the inconsistency of the angle of a guide wheel, and the part of a rod connecting ball head shaft assembly is easy to crack, wear and deform under the long-term high-strength working environment, so that the service life is short, the maintenance rate is high, and the defects of potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car steering linkage bulb connection structure cooperatees through subassembly, pin joint, ball round pin, bottom plate, dust cover, pull rod and strengthening rib to solve steering linkage joint and easily cause the problem that proposes on the defect that steering wheel shake and leading wheel angle are inconsistent and have the potential safety hazard.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an automobile steering pull rod ball head connecting structure, which comprises a ball head component, a pull rod and an inner shell, wherein the ball head component is arranged inside the inner shell, the pull rod is positioned on the peripheral side surface of the ball head component, and the ball head component comprises a ball pin joint, a ball pin, a bottom plate and a dust cover; a first annular groove is formed in the middle of the ball pin joint; a dust cover is sleeved on the peripheral side surface of the first annular groove; the bottom end of the ball pin joint is fixedly connected with a ball pin; the bottom of the ball pin is provided with a positioning pad; and a bottom plate is arranged at the bottom of the ball pin.

Further, an air cushion is arranged on the surface of the bottom plate; the peripheral side of the air cushion is provided with a compression spring; the compression spring is positioned at the bottom end of the positioning pad and is attached to the bottom plate.

Further, the lower surface of the dust cover is fixedly connected with a shell; the peripheral side surface of the shell is fixedly connected with a threaded joint; wherein, the bottom of the shell is in threaded connection with the bottom plate.

Furthermore, one end of the pull rod is in threaded connection with the threaded joint; a second annular groove is formed in the end part, close to the threaded joint, of the pull rod; the side surface of the second annular groove is sleeved with a first reinforcing rib; the other end of the pull rod is fixedly connected with a diamond frame.

Furthermore, a second pull rod is fixedly connected to the end part of the diamond frame; a third annular groove is formed in the end part, close to the diamond-shaped frame, of the second pull rod; and a second reinforcing rib is sleeved on the peripheral side surface of the third annular groove.

The utility model discloses following beneficial effect has:

1. the utility model discloses a locating component, the pin joint, the ball round pin, bottom plate and dust cover mutually support, the ball round pin is located inside the dust cover, ball round pin bottom is equipped with the locating pad, when guaranteeing the buffering elasticity space between ball round pin and the locating pad, because of the locating pad has high wear resistance, elasticity performance is higher than the spring characteristic, when the impact force that steering linkage joint receives is uneven about, can effectively overcome because of hard spacing, the buffering is played to the elasticity of spring, prevent that steering linkage joint easily causes steering wheel shake and leading wheel angle nonconformity.

2. The utility model discloses a pull rod, rhombus frame and strengthening rib cooperate, effectively solve prior art's pull rod connecting ball head subassembly position under the operational environment of long-term high strength, crackle and wearing and tearing deformation appear easily, life is lower, and the maintenance rate is higher, has the defect of potential safety hazard.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a ball joint connecting structure of an automobile steering tie rod of the present invention;

FIG. 2 is a schematic cross-sectional view of a ball head connecting structure of a steering tie rod of an automobile;

FIG. 3 is a schematic structural view of a ball pin;

FIG. 4 is a schematic view of a dust boot;

FIG. 5 is a schematic structural view of a base plate;

fig. 6 is a schematic structural view of the tie rod.

In the drawings, the components represented by the respective reference numerals are listed below:

1-ball head assembly, 2-pull rod, 201-second annular groove, 202-first reinforcing rib, 3-inner shell, 301-positioning pad, 4-pin joint, 401-first annular groove, 5-ball pin, 6-bottom plate, 601-air cushion, 602-compression spring, 7-dust cover, 701-outer shell, 702-threaded joint, 8-diamond frame, 9-second pull rod, 901-third annular groove and 902-second reinforcing rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention relates to a ball head connecting structure of a steering rod of an automobile, which comprises a ball head assembly 1, a rod 2 and an inner shell 3, wherein the ball head assembly 1 is installed inside the inner shell 3, the rod 2 is located on the peripheral side of the ball head assembly 1,

the ball head component 1 comprises a ball pin joint 4, a ball pin 5, a bottom plate 6 and a dust cover 7; the middle part of the ball pin joint 4 is provided with a first annular groove 401; a dust cover 7 is sleeved on the peripheral side surface of the first annular groove 401; the bottom end of the ball pin joint 4 is fixedly connected with a ball pin 5; the bottom of the ball pin 5 is provided with a positioning pad 301; the bottom of the ball pin 5 is provided with a bottom plate 6.

Wherein, the surface of the bottom plate 6 is provided with an air cushion 601; the peripheral side of the air cushion 601 is provided with a compression spring 602; the compression spring 602 is located at the bottom end of the positioning pad 301 and is attached to the bottom plate 6.

Wherein, the lower surface of the dust cover 7 is fixedly connected with a shell 701; a threaded joint 702 is fixedly connected to the peripheral side surface of the shell 701; wherein, the bottom of the shell 701 is connected with the bottom plate 6 by screw threads.

Wherein, one end of the pull rod 2 is connected with the thread joint 702 in a thread way; the end part of the pull rod 2 close to the threaded joint 702 is provided with a second annular groove 201; a first reinforcing rib 202 is sleeved on the peripheral side surface of the second annular groove 201; the other end of the pull rod 2 is fixedly connected with a diamond frame 8.

Wherein, the end part of the rhombic frame 8 is fixedly connected with a second pull rod 9; a third annular groove 901 is formed in the end part, close to the diamond-shaped frame 8, of the second pull rod 9; the peripheral side of the third annular groove 901 is sleeved with a second reinforcing rib 902.

The specific applications of this example are: the dust cover 7 is sleeved on the peripheral side of the ball pin joint 4, the bottom of the dust cover 7 is fixedly connected with the shell 701, the bottom of the shell 701 is connected with the bottom plate 6, the ball pin 5 is fixedly connected with the lower end of the ball pin joint 4, the positioning pad 501 is arranged at the bottom of the ball pin 5, when the impact force applied to the left and right steering pull rod 2 joints is unbalanced due to the fact that the positioning pad 501 has high wear resistance and the elasticity performance is higher than the spring performance while the buffering elastic space between the ball pin 5 and the positioning pad 501 is ensured, the problem that the steering pull rod 2 joints are prone to causing steering wheel shaking and inconsistent angle of a guide wheel due to the fact that the elastic force of a compression spring 602 is matched with the air cushion 601 can be effectively overcome, the first reinforcing rib 202 is arranged near the threaded joint 702 through the end part of the pull rod 2, the first reinforcing rib 202 is matched with the diamond frame 8, and the problem that the connecting ball head assembly 1, the device has the defects of easy occurrence of cracks and abrasion deformation, short service life, high maintenance rate and potential safety hazard.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A ball head connecting structure of an automobile steering pull rod comprises a ball head assembly (1), a pull rod (2) and an inner shell (3), wherein the ball head assembly (1) is arranged in the inner shell (3), the pull rod (2) is positioned on the peripheral side surface of the ball head assembly (1),

the method is characterized in that:

the ball head assembly (1) comprises a ball pin joint (4), a ball pin (5), a bottom plate (6) and a dust cover (7); a first annular groove (401) is formed in the middle of the ball pin joint (4); a dust cover (7) is sleeved on the peripheral side surface of the first annular groove (401); the bottom end of the ball pin joint (4) is fixedly connected with a ball pin (5); the bottom of the ball pin (5) is provided with a positioning pad (301); and a bottom plate (6) is arranged at the bottom of the ball pin (5).

2. The tie-rod ball joint structure of claim 1, wherein an air cushion (601) is installed on the surface of the bottom plate (6); the peripheral side surface of the air cushion (601) is provided with a compression spring (602); the compression spring (602) is positioned at the bottom end of the positioning pad (301) and is attached to the bottom plate (6).

3. The automotive tie rod ball joint structure according to claim 1, characterized in that a housing (701) is fixedly connected to the lower surface of the dust cover (7); the peripheral side surface of the shell (701) is fixedly connected with a threaded joint (702); wherein, the bottom of the shell (701) is in threaded connection with the bottom plate (6).

4. The automotive tie rod ball joint structure according to claim 3, characterized in that one end of the tie rod (2) is screwed with a threaded joint (702); a second annular groove (201) is formed in the end part, close to the threaded joint (702), of the pull rod (2); a first reinforcing rib (202) is sleeved on the peripheral side surface of the second annular groove (201); the other end of the pull rod (2) is fixedly connected with a diamond frame (8).

5. The automotive tie rod ball head connecting structure according to claim 4, characterized in that a second tie rod (9) is fixedly connected to the end of the diamond frame (8); a third annular groove (901) is formed in the end part, close to the diamond-shaped frame (8), of the second pull rod (9); and a second reinforcing rib (902) is sleeved on the peripheral side surface of the third annular groove (901).

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