CN217022078U

CN217022078U - End necking pipe type torsion half shaft assembly

Info

Publication number: CN217022078U
Application number: CN202220829459.2U
Authority: CN
Inventors: 周元学; 李宝胜; 徐之富
Original assignee: Shandong Airui Intelligent Equipment Technology Co ltd
Current assignee: WEIFANG AIRUI BRAKE SYSTEM CO Ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-07-22
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses an end necking tubular torsion half shaft assembly, and particularly relates to the technical field of half shaft assemblies. According to the utility model, the fixing mechanism is arranged, the fixing effect between the half shaft main body and the hub connecting shaft is improved through double fixing, and two fixing modes are used for ensuring the connecting effect between the half shaft main body and the hub connecting shaft, so that the half shaft main body can drive the hub connecting shaft to rotate when rotating, and the condition that the half shaft main body and the hub connecting shaft fall off due to long-time use is effectively prevented.

Description

End necking pipe type torsion half shaft assembly

Technical Field

The utility model relates to the technical field of half shaft assemblies, in particular to an end-necking-pipe-type torsion half shaft assembly.

Background

The half shafts, also called drive shafts, are the shafts connecting the differential to the drive wheels. The half shaft is used for transmitting torque between the speed reducer of the gearbox and the driving wheel, the inner end and the outer end of the half shaft are respectively provided with a universal JOINT (U/JOINT) which is respectively connected with a gear of the speed reducer and an inner ring of a wheel hub through splines on the universal JOINTs, and the half shaft is used for transmitting power between the differential and the driving wheel. The half shaft of the common non-disconnected drive axle can be divided into 3 types of full floating type, 3/4 floating type and half floating type according to the external end supporting form, and the half shaft assembly plays a very important role in the automobile driving structure.

The half shaft assembly at present generally directly fixes the half shaft on the wheel hub inner ring through bolt and nut, drives the half shaft through the differential case and rotates to make the half shaft drive the wheel hub and rotate, however because fixed establishment is comparatively single, can lead to single fixed knot to drop in long-time use, lead to half shaft and wheel hub to be connected insecurely.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, embodiments of the present invention provide an end-necking-tube-type torsion half-shaft assembly, in which a fixing mechanism is provided, so as to improve the fixing effect between the half-shaft body and the hub connecting shaft by double fixing, and simultaneously, two fixing methods are used to ensure the connecting effect between the half-shaft body and the hub connecting shaft, so that the half-shaft body can drive the hub connecting shaft to rotate when rotating, thereby effectively preventing the half-shaft body and the hub connecting shaft from falling off due to long-term use, and solving the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an end-necking tubular torsion half shaft assembly comprises a half shaft main body, wherein a spline is sleeved on the outer side of the half shaft main body, a hub connecting shaft is arranged on the outer side of the spline, and a fixing mechanism is arranged on the outer side of the half shaft main body;

fixing mechanism is including fixed cover, fixed cover one end is provided with first connecting plate, first screw hole has been seted up to first connecting plate side surface, first connecting plate one side is provided with the second connecting plate, the second screw hole has been seted up to second connecting plate side surface, first screw hole and the inside bolt that all is provided with of second screw hole, the bolt outside is provided with the nut, fixed cover one end is provided with the adapter sleeve, the connecting hole has been seted up to adapter sleeve side surface, the through thread groove has been seted up on adapter sleeve outside surface, the thread groove has been seted up on semi-axis main part one end outside surface, through thread groove and the inside threaded rod that all is provided with of thread groove, the threaded rod top is provided with the rotary disk.

In a preferred embodiment, the fixing sleeve is arranged on the inner wall of the hub connecting shaft, and the outer wall of the fixing sleeve is fixedly connected with the inner wall of the hub connecting shaft.

In a preferred embodiment, the first threaded hole, the second threaded hole and the nut are all in threaded connection with the bolt, and the through thread groove and the thread groove are all in threaded connection with the threaded rod.

In a preferred embodiment, the axle shaft body is slidably coupled to the coupling hole, and the second coupling plate is disposed outside the axle shaft body, the coupling hole having the same diameter as the inner diameter of the fixing sleeve.

In a preferred embodiment, the number of the first threaded hole, the second threaded hole and the threaded groove is provided in plurality.

In a preferred embodiment, the connecting sleeve, the first connecting plate and the second connecting plate are all annular in cross-sectional shape, and the threaded rod, the bolt and the nut are all made of carbon steel material.

The utility model has the technical effects and advantages that:

1. the half shaft main body is inserted into the fixing sleeve through the arrangement of the fixing mechanism, the spline is inserted into the fixing sleeve, the second threaded hole is aligned with the first threaded hole, the bolt is screwed into the first threaded hole and the second threaded hole through the rotation of the bolt, then the nut is screwed into the bolt, the first connecting plate and the second connecting plate are fixed, the threaded grooves are aligned with the through threaded grooves, the threaded rod is screwed into the threaded grooves through the rotation of the rotating disc, and the assembly between the half shaft main body and the hub connecting shaft is formed; compared with the prior art, the fixing effect between the half shaft main body and the hub connecting shaft is improved through double fixing, and the connecting effect between the half shaft main body and the hub connecting shaft is ensured by using two fixing modes simultaneously, so that the wheel hub connecting shaft can be driven to rotate when the half shaft main body rotates, and the situation that the half shaft main body and the hub connecting shaft fall off due to long-time use is effectively prevented;

2. during the threaded rod through being made by carbon steel material twisted into the thread groove, during first screw hole and second screw hole were twisted into to the bolt of carbon steel material simultaneously, improved fixed establishment's life, effectively prevented threaded rod and bolt from rustting, further improved the life of whole subassembly, improved the safe effect of subassembly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings may be obtained according to these drawings without inventive labor.

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

FIG. 2 is a schematic view of a specific structure of the half shaft body of the present invention;

FIG. 3 is a side cross-sectional structural schematic view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

The symbols in the figures indicate:

1. a half shaft body; 2. a spline; 3. a hub connecting shaft; 4. fixing a sleeve; 5. a first connecting plate; 6. a first threaded hole; 7. a second connecting plate; 8. a second threaded hole; 9. a bolt; 10. a nut; 11. connecting sleeves; 12. connecting holes; 13. a through thread groove; 14. a thread groove; 15. a threaded rod; 16. the disc is rotated.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

The end-necking-tube-type torsion half shaft assembly shown in the attached drawings 1 to 4 comprises a half shaft main body 1, wherein a spline 2 is sleeved on the outer side of the half shaft main body 1, a hub connecting shaft 3 is arranged on the outer side of the spline 2, and a fixing mechanism is arranged on the outer side of the half shaft main body 1;

fixing mechanism is including

fixed cover

4, 4 one ends of fixed cover are provided with first connecting plate 5, first screw hole 6 has been seted up to 5 side surfaces of first connecting plate, 5 one side of first connecting plate is provided with second connecting plate 7, second screw hole 8 has been seted up to 7 side surfaces of second connecting plate, first screw hole 6 and the inside bolt 9 that all is provided with of second screw hole 8, the bolt 9 outside is provided with

nut

10, 4 one ends of fixed cover are provided with adapter sleeve 11, adapter sleeve 11 side surface has seted up connecting hole 12, adapter sleeve 11 outside surface has seted up through thread groove 13, thread groove 14 has been seted up on 1 one end outside surface of semi-axis main part, through thread groove 13 and the inside threaded rod 15 that all is provided with of thread groove 14, threaded rod 15 top is provided with rotary disk 16.

As shown in the accompanying drawings 1-4, the fixing sleeve 4 is arranged on the inner wall of the hub connecting shaft 3, the outer wall of the fixing sleeve 4 is fixedly connected with the inner wall of the hub connecting shaft 3, the first threaded hole 6, the second threaded hole 8 and the nut 10 are in threaded connection with the bolt 9, the penetrating thread groove 13 and the thread groove 14 are in threaded connection with the threaded rod 15, the half shaft main body 1 is in sliding connection with the connecting hole 12, the second connecting plate 7 is arranged on the outer side of the half shaft main body 1, the diameter of the connecting hole 12 is the same as the inner diameter of the fixing sleeve 4, and the overall fixing effect and stability of the half shaft assembly are improved.

As shown in fig. 1-4, the number of the first threaded holes 6, the number of the second threaded holes 8 and the number of the threaded grooves 14 are all set to be multiple, the cross-sectional shapes of the connecting sleeves 11, the first connecting plates 5 and the second connecting plates 7 are all set to be annular, and the threaded rods 15, the bolts 9 and the nuts 10 are all made of carbon steel materials, so that the service life of the assembly is prolonged, and the threaded rods 15, the bolts 9 and the nuts 10 are prevented from falling off and being damaged due to long-time use.

The working principle of the utility model is as follows:

when the utility model is assembled and fixed with a hub connecting shaft 3, firstly, a half shaft body 1 is inserted into a fixing sleeve 4 on the inner wall of the hub connecting shaft 3, a spline 2 is inserted into the fixing sleeve 4, a second connecting plate 7 is tightly attached to the surface of a first connecting plate 5 at one end of the fixing sleeve 4, a second threaded hole 8 on the surface of the second connecting plate 7 is aligned with a first threaded hole 6 on the surface of the first connecting plate 5, the first connecting plate 5 and the second connecting plate 7 are fixed by screwing the second threaded hole 8 and the first threaded hole 6 with a bolt 9, the bolt 9 is screwed into the first threaded hole 6 and the second threaded hole 8 by rotating the bolt 9, then a nut 10 is screwed into the bolt 9 on one side of the second connecting plate 7, a plurality of thread grooves 14 on the outer side surface of the half shaft body 1 are aligned with a through thread groove 13 on the surface of a connecting sleeve 11, and the through thread grooves 13 and the thread grooves 14 are both screwed with a threaded rod 15, the assembly between the axle body 1 and the hub connecting shaft 3 is then completed by rotating the rotary plate 16 so that the threaded rods 15 at the bottom of the rotary plate 16 are screwed into the through-threaded slots 13 and the threaded slots 14, further creating a securing effect between the axle body 1 and the hub connecting shaft 3.

In the description of the present invention, it is to be understood that the orientations or positional relationships indicated by the terms, such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are based on the orientations or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The above description is only a preferred embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides an tip throat tubular torsion half axle subassembly, includes half axle body (1), its characterized in that: a spline (2) is sleeved on the outer side of the half shaft main body (1), a hub connecting shaft (3) is arranged on the outer side of the spline (2), and a fixing mechanism is arranged on the outer side of the half shaft main body (1);

the fixing mechanism comprises a fixing sleeve (4), one end of the fixing sleeve (4) is provided with a first connecting plate (5), a side surface of the first connecting plate (5) is provided with a first threaded hole (6), one side of the first connecting plate (5) is provided with a second connecting plate (7), a side surface of the second connecting plate (7) is provided with a second threaded hole (8), bolts (9) are arranged inside the first threaded hole (6) and the second threaded hole (8), nuts (10) are arranged outside the bolts (9), one end of the fixing sleeve (4) is provided with a connecting sleeve (11), a side surface of the connecting sleeve (11) is provided with a connecting hole (12), a through threaded groove (13) is formed in the outer side surface of the connecting sleeve (11), a threaded groove (14) is formed in the outer side surface of one end of the half shaft main body (1), and threaded rods (15) are arranged inside the through threaded groove (13) and the threaded groove (14), the top of the threaded rod (15) is provided with a rotating disc (16).

2. An end-reducing tube torque axle shaft assembly as set forth in claim 1 wherein: the fixed sleeve (4) is arranged on the inner wall of the hub connecting shaft (3), and the outer wall of the fixed sleeve (4) is fixedly connected with the inner wall of the hub connecting shaft (3).

3. The end-necked tube-type torque half shaft assembly of claim 1, wherein: the first threaded hole (6), the second threaded hole (8) and the nut (10) are in threaded connection with the bolt (9), and the penetrating thread groove (13) and the thread groove (14) are in threaded connection with the threaded rod (15).

4. An end-reducing tube torque axle shaft assembly as set forth in claim 1 wherein: half axle main part (1) and connecting hole (12) sliding connection, second connecting plate (7) set up in the half axle main part (1) outside, connecting hole (12) diameter is the same with fixed cover (4) inside diameter.

5. An end-reducing tube torque axle shaft assembly as set forth in claim 1 wherein: the number of the first threaded holes (6), the second threaded holes (8) and the number of the threaded grooves (14) are all set to be multiple.

6. An end-reducing tube torque axle shaft assembly as set forth in claim 1 wherein: the cross section shapes of the connecting sleeve (11), the first connecting plate (5) and the second connecting plate (7) are all annular, and the threaded rod (15), the bolt (9) and the nut (10) are all made of carbon steel materials.