CN216382295U

CN216382295U - Double-eccentric cross shaft half shaft assembly

Info

Publication number: CN216382295U
Application number: CN202122371094.1U
Authority: CN
Inventors: 庄晓南; 陈财水; 杨斌镇
Original assignee: LONGYAN WANTENG AXLE MANUFACTURING CO LTD
Current assignee: LONGYAN WANTENG AXLE MANUFACTURING CO LTD
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-04-26
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a double-eccentric cross shaft half shaft assembly which comprises a connecting piece, wherein an eccentric cross shaft center I is arranged on the left side inside the connecting piece, second left shaft heads are respectively arranged at the front end and the rear end of the eccentric cross shaft center I, first left shaft heads are respectively arranged at the upper end and the lower end of the eccentric cross shaft center I, and the first left shaft heads are rotatably connected inside first connecting holes. According to the utility model, firstly, the second left shaft head is matched with the first mounting hole, and the first left shaft head is matched with the first connecting hole, so that the first half shaft can flexibly rotate, and the second half shaft can flexibly rotate in the same way.

Description

Double-eccentric cross shaft half shaft assembly

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a double-eccentric cross shaft half shaft assembly.

Background

The cross shaft is also called a cross joint, namely a universal joint, is a work piece for realizing variable-angle power transmission, is used for positions needing to change the direction of a transmission axis, is a joint part of a universal transmission device of an automobile driving system, is a universal joint with different speeds widely used on automobiles, allows the maximum intersection angle of two adjacent shafts to be 15-20 degrees, and is one of key parts of the universal joint with the cross shaft.

Chinese patent document CN212839021U discloses a cross axle universal joint assembly, which comprises a cross axle and a shaft sleeve assembly, wherein the diameter of the shaft sleeve assembly is sleeved on each shaft neck of the cross axle, the shaft sleeve assembly comprises a bearing, a needle bearing and an oil seal, and is characterized in that a thickened oil cup is integrally arranged on the cross axle, and a lubrication channel for communicating the thickened oil cup with the shaft sleeve assembly is arranged in the cross axle. The oil seal comprises a framework and a sealing element, and the sealing element is provided with a plurality of tooth-shaped lips. Although the cross axle universal joint assembly has the advantages of good sealing performance, corrosion resistance, good wear resistance, convenience in maintenance, long service life and the like, the bearing capacity of the cross axle half shaft assembly is small, the cross axle half shaft assembly is easy to damage, and meanwhile, the axle head on the cross axle is easy to damage due to the lack of protection measures.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a double-eccentric cross shaft half shaft assembly.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a two eccentric cross axle semi-axis assemblies, includes the connecting piece, the inside left side of connecting piece is provided with eccentric cross axle center one, both ends are provided with second left axle head respectively around eccentric cross axle center one, the upper and lower both ends in eccentric cross axle center one are provided with first left axle head respectively, first left axle head rotates the inside of connecting at first connecting hole, the inside right side of connecting piece is provided with eccentric cross axle center two, both sides all are provided with second right axle head around eccentric cross axle center two, second right axle head rotates the inside of connecting at the second connecting hole.

As a further description of the above technical solution:

the first connecting holes are respectively arranged at the upper end and the lower end of the right side of the first half shaft.

As a further description of the above technical solution:

the second connecting holes are respectively arranged at the upper end and the lower end of the left side of the second half shaft.

As a further description of the above technical solution:

the first left shaft head and the second left shaft head are respectively close to a first rubber pad fixedly connected with one end of a center of an eccentric cross-shaped shaft center.

As a further description of the above technical solution:

and the first right shaft head and the second right shaft head are respectively close to a second rubber pad fixedly connected with one end of the center of the eccentric cross-shaped shaft center.

As a further description of the above technical solution:

the second left shaft head is located in the first mounting hole and is rotatably connected with the first mounting hole, and the first mounting hole is formed in the front end and the rear end of the right side in the connecting piece respectively.

As a further description of the above technical solution:

the first right shaft head is located in the second mounting hole and is rotatably connected with the second mounting hole, and the second mounting hole is formed in the upper end and the lower end of the right side in the connecting piece respectively.

The utility model has the following beneficial effects:

1. according to the utility model, firstly, the first eccentric cross-shaped axle center is longitudinally rotated in the connecting piece through the matching between the second left axle head and the first mounting hole, so that the first half axle and the connecting piece can longitudinally rotate, and meanwhile, the first half axle and the connecting piece can transversely rotate through the matching between the first left axle head and the first connecting hole, so that the first half axle can flexibly rotate.

2. According to the utility model, the first rubber pad and the second rubber pad can effectively protect the first left shaft head, the second left shaft head, the first right shaft head and the second right shaft head, play a role of buffering, avoid extrusion between the first eccentric cross shaft center and the second eccentric cross shaft center when rotating, and prolong the service life of the first left shaft head, the second left shaft head, the first right shaft head and the second right shaft head.

Drawings

FIG. 1 is a perspective view of a double eccentric cross axle half shaft assembly according to the present invention;

FIG. 2 is an exploded view of a double eccentric cross axle half shaft assembly according to the present invention.

Illustration of the drawings:

1. a first half shaft; 2. a first connection hole; 3. a connecting member; 4. a second half shaft; 5. a second connection hole; 6. a first mounting hole; 7. a second mounting hole; 8. a first left spindle nose; 9. an eccentric cross axis I; 10. a second left spindle nose; 11. a second right spindle nose; 12. an eccentric cross-shaped axis II; 13. a first right spindle nose; 14. a first rubber pad; 15. and a second rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, one embodiment of the present invention is provided: a double-eccentric cross axle half shaft assembly comprises a connecting piece 3, wherein the left side inside the connecting piece 3 is provided with an eccentric cross axle center I9, the front end and the rear end of the eccentric cross axle center I9 are respectively provided with a second left axle head 10, the upper end and the lower end of the eccentric cross axle center I9 are respectively provided with a first left axle head 8, the first left axle head 8 is rotatably connected inside a first connecting hole 2, the right side inside the connecting piece 3 is provided with an eccentric cross axle center II 12, the eccentric cross axle center I9 and the eccentric cross axle center II 12 shorten the distance between the axle center and the axle center of the connecting piece 3, so that the whole body can bear larger force, the front side and the rear side of the eccentric cross axle center II 12 are respectively provided with a second right axle head 11, the second right axle head 11 is rotatably connected inside a second connecting hole 5, and the eccentric cross axle center I9 can longitudinally rotate in the connecting piece 3 through the matching between the second left axle head 10 and a first mounting hole 6, and then make and to be vertical rotation between first semi-axis 1 and the connecting piece 3, simultaneously through the cooperation between first left spindle nose 8 and the first connecting hole 2, thereby make horizontal rotation between first semi-axis 1 and the connecting piece 3, thereby make the rotation that first semi-axis 1 can be nimble, the cooperation of first right spindle nose 13 and second mounting hole 7 is in the same way, in addition the cooperation between second right spindle nose 11 and the second connecting hole 5, thereby make the rotation that can be nimble between second semi-axis 4 and the connecting piece 3.

The first connecting hole 2 is respectively arranged at the upper end and the lower end of the right side of the first half shaft 1, the second connecting hole 5 is respectively arranged at the upper end and the lower end of the left side of the second half shaft 4, one end of the first left shaft head 8 and one end of the second left shaft head 10, which are respectively close to the center of the eccentric cross-shaped shaft center I9, are both fixedly connected with the first rubber pad 14, one end of the first right shaft head 13 and one end of the second right shaft head 11, which are respectively close to the center of the eccentric cross-shaped shaft center II 12, are both fixedly connected with the second rubber pad 15, the first rubber pad 14 and the second rubber pad 15 can effectively protect the first left shaft head 8, the second left shaft head 10, the first right shaft head 13 and the second right shaft head 11, play a role of buffering, avoid extrusion between the eccentric cross-shaped shaft center I9 and the eccentric cross-shaped shaft center II 12 during rotation, and prolong the service life of the first left shaft head 8, the second left shaft head 10, the first right shaft head 13 and the second right shaft head 11, the inside that is located first mounting hole 6 of second left spindle nose 10 rotates with first mounting hole 6 to be connected, first mounting hole 6 sets up both ends around the inside right side of connecting piece 3 respectively, make and to rotate vertically between first semi-axis 1 and the connecting piece 3, the inside that is located second mounting hole 7 of first right spindle nose 13 rotates with second mounting hole 7 to be connected, second mounting hole 7 sets up the upper and lower both ends on the inside right side of connecting piece 3 respectively, make rotation that can be nimble between second semi-axis 4 and the connecting piece 3.

The working principle is as follows: firstly, through the matching between the second left axle head 10 and the first mounting hole 6, the eccentric cross-shaped axle center first 9 is longitudinally rotated in the connecting piece 3, so that the first half axle 1 and the connecting piece 3 can longitudinally rotate, and simultaneously through the matching between the first left axle head 8 and the first connecting hole 2, the first half axle 1 and the connecting piece 3 can transversely rotate, so that the first half axle 1 can flexibly rotate, similarly, the matching between the first right axle head 13 and the second mounting hole 7 is matched, and the matching between the second right axle head 11 and the second connecting hole 5 is added, so that the second half axle 4 and the connecting piece 3 can flexibly rotate, meanwhile, the eccentric cross-shaped axle center first 9 and the eccentric cross-shaped axle center second 12 shorten the distance between the axle center and the axle center of the connecting piece 3, so that the whole body can bear larger force, and simultaneously, the first rubber pad 14 and the second rubber pad 15 can effectively protect the first left axle head 8, the second half axle head 1 and the connecting piece 3, The second left shaft head 10, the first right shaft head 13 and the second right shaft head 11 play a role in buffering, extrusion between the eccentric cross shaft center I9 and the eccentric cross shaft center II 12 is avoided when the shaft rotates, and the service lives of the first left shaft head 8, the second left shaft head 10, the first right shaft head 13 and the second right shaft head 11 are prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a two eccentric cross axle semi-axis assemblies, includes connecting piece (3), its characterized in that: the utility model discloses a connecting piece, including connecting piece (3), connecting piece (3) inside left side is provided with eccentric cross axle center (9), both ends are provided with second left axle head (10) respectively around eccentric cross axle center (9), the upper and lower both ends of eccentric cross axle center (9) are provided with first left axle head (8) respectively, first left axle head (8) are rotated and are connected the inside in first connecting hole (2), the inside right side of connecting piece (3) is provided with eccentric cross axle center two (12), both sides all are provided with second right axle head (11) around eccentric cross axle center two (12), second right axle head (11) are rotated and are connected the inside in second connecting hole (5).

2. The double eccentric cross axle half shaft assembly of claim 1 wherein: the first connecting holes (2) are respectively arranged at the upper end and the lower end of the right side of the first half shaft (1).

3. The double eccentric cross axle half shaft assembly of claim 1 wherein: the second connecting holes (5) are respectively arranged at the upper end and the lower end of the left side of the second half shaft (4).

4. The double eccentric cross axle half shaft assembly of claim 1 wherein: the upper end and the lower end of the right side in the connecting piece (3) are respectively provided with a second mounting hole (7), and a first right shaft head (13) is arranged in the second mounting hole (7).

5. The double eccentric cross axle half shaft assembly of claim 1 wherein: the second left shaft head (10) is located inside the first mounting hole (6) and is rotatably connected with the first mounting hole (6), and the first mounting hole (6) is formed in the front end and the rear end of the right side inside the connecting piece (3) respectively.