CN220659838U - Device for replacing dust cover of steering outer ball head - Google Patents

Abstract

The utility model discloses a device for replacing a steering outer ball head dust cover, which relates to the technical field of novel ball head pin dust cover assembly and aims to solve the problems that in the prior art, an automobile maintenance factory does not have the condition of singly replacing the dust cover, when an automobile fails outdoors, only a trailer or a disassembling part is sent to a maintenance shop, the device is troublesome and high in price, the existing outer ball head dust cover is provided with an external clamp and an internal clamp, and the prior art cannot be quickly replaced in two structures.

Description

Device for replacing dust cover of steering outer ball head

Technical Field

The utility model relates to the technical field of assembling of novel ball stud dust covers, in particular to a steering outer ball head dust cover replacing device.

Background

The steering pull rod is used as an important part of an automobile steering system, and the dust cover is used as a sealing element to effectively separate the ball part of the steering ball head from the outside, so that excessive wear of a ball bowl caused by dust or moisture entering the ball part is avoided.

Because the dust cover is the rubber spare, all can lead to the damage of dust cover on the dust cover is splashed to foreign matter such as stone in actual driving process, because traditional auto repair factory and 4S shop do not possess the condition of changing the dust cover alone, many direct change outer bulb behind the discovery dust cover damage, the cost is too high, and the vehicle breaks down in the open air can't send the vehicle to 4S shop, can only send the maintenance shop to maintenance shop through the trailer or dismantle corresponding part and maintain, troublesome and the price is high, and current outer bulb dust cover has external clamp and built-in clamp two kinds of structures, the prior art can't realize the change to two kinds of structure dust covers fast.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a device for replacing a dust cover of a steering outer ball head, which can effectively solve the problems in the background technology.

The utility model discloses a device for replacing a dust cover of an external steering ball head, which adopts the technical scheme that the device comprises a U-shaped plate, a ball head, a dust cover, an external clamp, an internal clamp dust cover and a ball pin, wherein the lower end of the U-shaped plate is in threaded connection with a push rod, a cone barrel is arranged on the push rod, the top of the cone barrel is in threaded connection with a jackscrew, a three-jaw mechanism is fixedly connected above the U-shaped plate at the upper end of the jackscrew, the three-jaw mechanism comprises a three-jaw shaft, and annular arrays of clamping jaws are arranged on the three-jaw shaft, so that the external clamp spring is pressed in place through the three-jaw mechanism.

As a preferable technical scheme of the utility model, a first screw hole is arranged below the U-shaped plate, threads are arranged on the ejector rod, a working table surface is arranged at the upper end of the ejector rod, the ejector rod and the U-shaped plate are connected together through the first screw hole and the threads, lifting of the working table surface is realized through threaded fit, and the working table surface is used for placing the ball head part of the dust cover part to be replaced.

As a preferable technical scheme of the utility model, the top of the cone barrel is provided with a second screw hole, the jackscrew is connected to the cone barrel through the second screw hole, a second cone cavity is arranged in the cone barrel and used for avoiding the ball pin, and the diameter of the second screw hole is slightly larger than that of the ball pin.

As a preferable technical scheme of the utility model, the clamping claw is rotationally connected to the three-claw shaft through the pin shaft, a spring is arranged between the end part of the clamping claw and the three-claw shaft, a first conical cavity is arranged in the three-claw shaft, and the spring enables the three-claw mechanism to have larger tightening force in the opening process, so that the external clamp can be smoothly pressed into place when the ejector rod is screwed up.

Compared with the prior art, the utility model has the beneficial effects that: the utility model realizes the replacement of ball head dust covers with different types and structures by utilizing the outer surface and the bottom end surface of the cone barrel, has simple and small structure, is convenient for carrying outdoor operation, and can be directly used and replaced on the whole automobile.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the combination of the present utility model;

FIG. 3 is a cross-sectional view of a bond B-B according to the present utility model;

FIG. 4 is a schematic diagram of a three-jaw mechanism according to the present utility model;

FIG. 5 is a schematic diagram of the operation of the present utility model;

FIG. 6 is a second schematic diagram of the working process of the present utility model;

FIG. 7 is a schematic diagram of the working process of the present utility model;

FIG. 8 is an enlarged view of structure A of the present utility model;

FIG. 9 is a schematic view of an external clamp of the present utility model;

fig. 10 is a schematic view of a dust cap with a clip according to the present utility model.

In the figure: 1. an external clamp; 2. a three-jaw mechanism; 201. clamping claws; 202. a three-jaw shaft; 203. a spring; 204. a pin shaft; 205. a first conical cavity; 3. ball pins; 4. a jackscrew; 5. a U-shaped plate; 501. a first screw hole; 6. a cone barrel; 601. a second screw hole; 602. a second conical cavity; 7. ball head; 8. a push rod; 801. a thread; 802. a work table; 9. a dust cover; 901. and a clamp dust cover is arranged in the dust cover.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 10, the utility model discloses a steering outer ball head dust cover replacing device, which adopts the technical scheme that the steering outer ball head dust cover replacing device comprises a U-shaped plate 5, a ball head 7, a dust cover 9, an external clamp 1, an internal clamp dust cover 901 and a ball pin 3, wherein a first screw hole 501 is arranged below the U-shaped plate 5, the first screw hole 501 is connected with a thread 801 part of a mandril 8, a working table top 802 is arranged at the upper end of the mandril 8, the ball head 7 is placed on the working table top 802, a cone barrel 6 is arranged above the ball head 7, a second cone cavity 602 is formed inside the cone barrel 6, a second screw hole 601 is formed at the top of the cone barrel 6, a jackscrew 4 is connected in the second screw hole 601 in an internal mode, a three-jaw mechanism 2 is arranged on the U-shaped plate 5 above the jackscrew 4, the three-jaw mechanism 2 comprises a three-jaw shaft 202, the three-jaw shaft 202 is fixed to the U-shaped plate 5, a first cone cavity 205 is formed in the three-jaw shaft 202, a clamping jaw 201 is rotatably connected with the three-jaw 202 through a pin 204, and the three-jaw 202 is provided with an annular jaw array of the three-jaw 202 and the three-jaw 202 is connected with the three-jaw 202.

The working principle of the utility model is as follows: when the external clamp dust cover is installed, a spanner and other tools are used for rotating the ejector rod 8, the workbench surface 802 is rotated to the bottommost part of the U-shaped plate 5, as shown in fig. 5, the ball head 7 part on a piece to be installed is placed on the workbench surface 802, the dust cover 9 is covered to the installation position of the ball head 7 from the direction of the ball pin 3, the cone barrel 6 is covered on the dust cover 9, the distance between the bottom surface of the cone barrel 6 and an external clamping groove is adjusted by screwing the ejector wire 4 into the second screw hole 601 to prop against the top end of the ball pin 3 in the cone barrel 6, after adjustment, the external clamp 1 is sleeved above the cone barrel 6, as shown in fig. 1, the ejector rod 8 is rotated, so that the workbench surface 802 moves upwards, at this moment, the cone barrel 6 approaches to the three-jaw mechanism 2, the clamping jaw 201 clamps the cone barrel 6 under the action of the spring 203, the clamping jaw 201 slowly opens in the process of lifting the cone barrel 6, and pushes the external clamp 1 to move downwards as shown in fig. 6 until the external clamp 1 is pushed out from the bottom of the cone barrel 6, the external clamp 1 falls to the position of the external clamp groove and the external clamp groove is restored to be in the original state, and the dust cover 9 is fixed, as shown in fig. 7 and 8, and the installation is completed.

Example two

The difference between this embodiment and the first embodiment is that, when the built-in clamp dust cover 901 is installed, the jackscrew 4 is screwed off from the cone barrel 6 to avoid interference with the ball pin 3, the built-in clamp dust cover 901 is plugged into the cone barrel 6, at this time, the lower edge of the cone barrel 6 is attached to the outer edge of the built-in clamp dust cover 901, at this time, the cone barrel 6 is placed on the ball head 7, the ejector rod 8 is rotated, so that the cone barrel 6 can move into the first cone cavity 205 and stop moving upwards, the built-in clamp dust cover 901 is pressed to a proper position under the interaction force of the cone barrel 6 and the ejector rod 8, and the built-in clamp dust cover 901 is installed.

The mechanical connection is a common means adopted by the person skilled in the art, and the technical teaching can be obtained through limited tests, and the mechanical connection belongs to common general knowledge.

The components not described in detail herein are prior art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a turn to outer ball head dust cover change device, includes U-shaped board (5), bulb (7), dust cover (9), external clamp (1), built-in clamp dust cover (901), ball round pin (3), its characterized in that: the novel three-jaw type hydraulic lifting device is characterized in that the lower end of the U-shaped plate (5) is in threaded connection with the ejector rod (8), the ejector rod (8) is provided with the cone barrel (6), the top of the cone barrel (6) is in threaded connection with the jackscrew (4), the upper end of the jackscrew (4) is fixedly connected with the three-jaw mechanism (2) above the U-shaped plate (5), the three-jaw mechanism (2) comprises a three-jaw shaft (202), and annular array clamping jaws (201) are arranged on the three-jaw shaft (202).

2. The device for replacing a dust cover of an external steering ball according to claim 1, wherein: the utility model discloses a U-shaped board, including U-shaped board (5), ejector pin (8) and U-shaped board (5), U-shaped board (5) below is equipped with first screw (501), be equipped with screw (801) on ejector pin (8), ejector pin (8) upper end is equipped with table surface (802), ejector pin (8) with U-shaped board (5) are through first screw (501) with screw (801) are connected together.

3. The device for replacing a dust cover of an external steering ball according to claim 1, wherein: the top of the cone barrel (6) is provided with a second screw hole (601), the jackscrew (4) is connected to the cone barrel (6) through the second screw hole (601), and a second cone cavity (602) is formed in the cone barrel (6).

4. The device for replacing a dust cover of an external steering ball according to claim 1, wherein: the clamping jaw (201) is rotatably connected to the three-jaw shaft (202) through a pin shaft (204), a spring (203) is arranged between the end part of the clamping jaw (201) and the three-jaw shaft (202), and a first conical cavity (205) is formed in the three-jaw shaft (202).