CN212202885U

CN212202885U - Ball ring and steel ball combined tripod constant velocity universal joint

Info

Publication number: CN212202885U
Application number: CN202020343358.5U
Authority: CN
Inventors: 汤爱平
Original assignee: Anhui Yingkeer Automotive Components Co ltd
Current assignee: Anhui Yingkeer Automotive Components Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-12-22
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a belong to the technical field of universal joint, specifically be a combined tripod constant velocity universal joint of spherical ring steel ball, including mobile jib, uniform velocity pole, first universal wheel, second universal wheel and third universal wheel, the right side wall welding of mobile jib the uniform velocity pole, the circumference outer wall meshing of uniform velocity pole the first universal wheel, the second universal wheel and the third universal wheel, the right side wall welding of mobile jib has the connecting rod, the right side wall of mobile jib passes through the connecting rod with the left side wall welding of uniform velocity pole, this combined tripod constant velocity universal joint of spherical ring steel ball through the combination application of accessory, at the front end combination uniform velocity pole of connecting rod, the circumference outer wall of uniform velocity pole carries out the partition combination through the universal wheel, makes the inside groove that the universal wheel inboard contains the arc board can carry out effective contact with the constant velocity pole position, has increased the stability in use of universal joint, the smoothness is high, reduces mechanical wear, is convenient for realize the constant speed purpose.

Description

Ball ring and steel ball combined tripod constant velocity universal joint

Technical Field

The utility model relates to a universal joint technical field specifically is a combined tripod constant velocity joint of spherical ring steel ball.

Background

The universal joint is a part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, is a joint part of a universal transmission device of an automobile driving system, is combined with a transmission shaft and is called a universal joint transmission device, and the universal joint transmission device is arranged between an output shaft of a transmission and an input shaft of a main speed reducer of a drive axle on a vehicle driven by a rear wheel of a front engine; the front engine front wheel driven vehicle omits a transmission shaft, and the universal joint is arranged between a front axle half shaft which is responsible for driving and steering and wheels.

The universal joints are structurally and functionally similar to joints on four limbs of a human body, the universal joints allow included angles between connected parts to change within a certain range, and in order to meet the requirements of power transmission, steering and angle change caused by vertical jumping generated during running of an automobile, a driving axle of a front-drive automobile is connected with a common universal joint between a half shaft and an axle, but the deviation angle is required to be larger due to the limitation of axial size, a single universal joint cannot enable instantaneous angular speeds of an output shaft and an input shaft to be equal, vibration is easy to cause, damage of parts is aggravated, and great noise is generated, so various constant-velocity universal joints are widely adopted The clutch and the transmission are integrally installed on the frame, the drive axle is connected with the frame through the elastic suspension, a distance exists between the clutch and the transmission, the connection is needed, the uneven road surface generates jumping in the running process of the automobile, the load changes or the position difference of two assemblies is generated, the included angle and the distance between the output shaft of the transmission and the input shaft of the drive axle main reducer can be changed, therefore, the universal joint transmission form of the rear drive automobile adopts double universal joints, namely, the two ends of the transmission shaft are respectively provided with one universal joint, the included angle of the two ends of the transmission shaft is equal, and the instantaneous angular speed of the output shaft and the input shaft is ensured to be equal all the time.

The existing universal joint is mainly engaged in the combination mode of the universal wheel and the constant velocity rod in the combined application, so that the use stability of the universal joint is reduced in the position contact of the universal wheel and the constant velocity rod, the smoothness is greatly reduced, the mechanical abrasion cannot be prevented, and the negative influence on the realization of the constant velocity purpose is inevitably generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combined tripod constant velocity cardan joint of spherical ring steel ball to solve the current universal joint that proposes in the above-mentioned background art and make up the application, the universal wheel is main with the meshing with the compound mode of constant velocity pole, this has just leaded to in the universal wheel carries out the position contact with the constant velocity pole, the stability that the universal joint used has been reduced, smooth and easy degree greatly reduced, can't prevent mechanical wear, must meet the problem that the realization of constant velocity purpose produced negative impact.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a combined tripod constant velocity cardan joint of spherical ring steel ball, includes mobile jib, equalizer bar, first universal wheel, second universal wheel and third universal wheel, the right side wall welding of mobile jib the equalizer bar, the circumference outer wall meshing of equalizer bar first universal wheel the second universal wheel with the third universal wheel, the right side wall welding of mobile jib has the connecting rod, the right side wall of mobile jib passes through the connecting rod with the left side wall welding of equalizer bar, the right side wall threaded connection of equalizer bar has the fixed plate, the right side wall threaded connection of fixed plate has the combination bolt, the fixed plate passes through the combination bolt with the right side wall fixed connection of equalizer bar, the inside groove has been seted up to the inside of first universal wheel, the inside weld of inside groove has the arc board, the arc inboard with the circumference outer wall contact of equalizer bar.

Preferably, the inner wall of the circumference of the constant speed rod is sleeved with a core rod, and the left side wall of the core rod is welded with the right side wall of the connecting rod.

Preferably, the second universal wheel, the third universal wheel and the first universal wheel have the same structure.

Preferably, the radian of the arc plate is matched with the radian of the outer wall of the circumference of the constant-speed rod.

Preferably, the first universal wheel, the second universal wheel and the third universal wheel are uniformly distributed on the circumferential outer wall of the constant velocity rod.

Compared with the prior art, the beneficial effects of the utility model are that: this combined tripod formula constant velocity cardan joint of spherical ring steel ball through the combination application of accessory, at the front end combination constant velocity pole of connecting rod, the circumference outer wall of constant velocity pole carries out the partition combination through the universal wheel, makes the inside groove that the universal wheel inboard contains the arc board can carry out effective contact with the constant velocity pole position, has increased the stability in use of cardan joint, and smooth and easy degree is high, reduces mechanical wear, is convenient for realize the constant velocity purpose.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the combined structure of the present invention.

In the figure: 100 main rods, 110 connecting rods, 120 core rods, 200 constant speed rods, 210 fixing plates, 220 combined bolts, 300 first universal wheels, 310 inner grooves, 320 arc plates, 330 second universal wheels and 340 third universal wheels.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a ball-and-socket steel ball combined tripod constant velocity universal joint, which is convenient for ensuring stability, reducing abrasion and realizing constant velocity through the combined application of accessories, please refer to fig. 1-3, comprising a main rod 100, a constant velocity rod 200, a first universal wheel 300, a second universal wheel 330 and a third universal wheel 340;

referring to fig. 1 again, the left side wall of the main rod 100 has a connecting rod 110, and specifically, the right side wall of the main rod 100 is welded with the connecting rod 110;

referring to fig. 1 again, the left sidewall of the constant velocity pole 200 is fixedly connected to the right sidewall of the connecting rod 110, specifically, the right sidewall of the main pole 100 is welded to the constant velocity pole 200, the right sidewall of the main pole 100 is welded to the left sidewall of the constant velocity pole 200 through the connecting rod 110, the right sidewall of the constant velocity pole 200 is in threaded connection with a fixing plate 210, the right sidewall of the fixing plate 210 is in threaded connection with a combining bolt 220, and the fixing plate 210 is fixedly connected to the right sidewall of the constant velocity pole 200 through the combining bolt 220;

referring to fig. 1 to 3 again, the inner side of the first universal wheel 300 is movably connected to the outer side of the constant velocity stick 200, specifically, the circumferential outer wall of the constant velocity stick 200 is engaged with the first universal wheel 300, the second universal wheel 330 and the third universal wheel 340, an inner groove 310 is formed inside the first universal wheel 300, an arc plate 320 is welded inside the inner groove 310, and the inner side of the arc plate 320 is in contact with the circumferential outer wall of the constant velocity stick 200;

when the universal joint is used specifically, the connecting rod 110 is firstly fixed on the side surface of the main rod 100, the connecting rod 110 is connected with the constant velocity pole 200 by the core bar 120, the tail end of the constant velocity pole 200 is externally fixed by the fixing plate 210 and the combination bolt 220, after the fixing, the first universal wheel 300, the second universal wheel 330 and the third universal wheel 340 are equally divided and combined on the circumferential outer wall of the constant velocity pole 200, so that the first universal wheel 300, the second universal wheel 330 and the third universal wheel 340 can be combined in the rotating process, and the inner groove 310 containing the arc plate 320 on the inner side of the universal wheel can be effectively contacted with the position of the constant velocity pole 200, thereby increasing the use stability of the universal joint, having high smoothness, reducing the mechanical wear and being convenient for realizing the purpose of constant velocity.

Referring to fig. 1 again, in order to facilitate connection, specifically, the inner circumferential wall of the constant velocity rod 200 is sleeved with the core rod 120, and the left side wall of the core rod 120 is welded to the right side wall of the connecting rod 110.

Referring to fig. 1 to 3 again, in order to make the combined motion process of the constant velocity pole 200 consistent, specifically, the second universal wheel 330, the third universal wheel 340 and the first universal wheel 300 have the same structure, and the radian of the arc plate 320 matches with the radian of the circumferential outer wall of the constant velocity pole 200.

Referring to fig. 1 again, in order to increase the effect of constant velocity, specifically, the first universal wheel 300, the second universal wheel 330 and the third universal wheel 340 are uniformly distributed on the circumferential outer wall of the constant velocity stick 200.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a combined tripod constant velocity universal joint of spherical ring steel ball which characterized in that: including mobile jib (100), constant velocity pole (200), first universal wheel (300), second universal wheel (330) and third universal wheel (340), the right side wall welding of mobile jib (100) constant velocity pole (200), the circumference outer wall meshing of constant velocity pole (200) first universal wheel (300), second universal wheel (330) and third universal wheel (340), the right side wall welding of mobile jib (100) has connecting rod (110), the right side wall of mobile jib (100) passes through connecting rod (110) with the left side wall welding of constant velocity pole (200), the right side wall threaded connection of constant velocity pole (200) has fixed plate (210), the right side wall threaded connection of fixed plate (210) has combination bolt (220), fixed plate (210) pass through combination bolt (220) with the right side wall fixed connection of constant velocity pole (200), interior groove (310) have been seted up to the inside of first universal wheel (300), an arc plate (320) is welded in the inner groove (310), and the inner side of the arc plate (320) is in contact with the circumferential outer wall of the constant speed rod (200).

2. A ball-and-socket steel ball combined tripod constant velocity joint according to claim 1, wherein: the inner wall of the circumference of the constant speed rod (200) is sleeved with a core rod (120), and the left side wall of the core rod (120) is welded with the right side wall of the connecting rod (110).

3. A ball-and-socket steel ball combined tripod constant velocity joint according to claim 1, wherein: the second universal wheel (330), the third universal wheel (340) and the first universal wheel (300) have the same structure.

4. A ball-and-socket steel ball combined tripod constant velocity joint according to claim 1, wherein: the radian of the arc plate (320) is matched with the radian of the outer wall of the circumference of the constant-speed rod (200).

5. A ball-and-socket steel ball combined tripod constant velocity joint according to claim 1, wherein: the first universal wheel (300), the second universal wheel (330) and the third universal wheel (340) are uniformly distributed on the circumferential outer wall of the constant velocity rod (200).