CN217976966U

CN217976966U - Half-shaft nut structure, front wheel side driving system and vehicle

Info

Publication number: CN217976966U
Application number: CN202222427712.4U
Authority: CN
Inventors: 陈雷
Original assignee: BAIC Group ORV Co ltd
Current assignee: BAIC Group ORV Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-06
Anticipated expiration: 2032-09-14

Abstract

The utility model provides a half-shaft nut structure front wheel limit actuating system and vehicle, the half-shaft nut structure includes: the nut seat is arranged on the mounting base; the mounting base comprises a first mounting end, a second mounting end, a third mounting end and a mounting central part, and the first mounting end, the second mounting end and the third mounting end are connected end to end and are all connected with the mounting central part; the middle part of the nut seat is provided with a threaded hole, the mounting center part is provided with a through hole matched with the threaded hole, and the threaded hole is communicated with the through hole; the nut seat and the installation center part are of an integrated structure. The utility model discloses a first installation end, second installation end and third installation end are to the enhancement of semi-axis nut structure, and fix on the drive semi-axis through the nut seat, and the nut seat is the integrated into one piece structure with the installation base to solved in the vehicle use after the assembly, the problem of rocking the abnormal sound that the semi-axis nut structure caused.

Description

Half-shaft nut structure, front wheel side driving system and vehicle

Technical Field

The embodiment of the utility model provides a relate to car technical field, especially relate to a half-shaft nut structure front wheel limit actuating system and vehicle.

Background

Currently, a front wheel driving system of an automobile generally comprises a steering driving half shaft, a hub bearing unit and other structures, wherein the driving force of the half shaft is transmitted to the hub bearing through a spline and finally transmitted to a wheel. As shown in FIG. 3, the steer-driven axle shaft assembly is typically mounted and secured via an axle shaft nut arrangement.

As shown in fig. 4, the existing half-axle nut structure is composed of a gasket, a nut and a locking cap, so that the half-axle nut structure can achieve a half-axle fastening effect. However, in the assembling process of the half-shaft nut structure, the half-shaft nut structure needs to be assembled according to the sequence of parts, firstly, the gasket is arranged at the end of the half-shaft, then, the nut is selected and twisted, then, the locking cap is sleeved in and the assembling angle is adjusted, the centering assembling mode of the slotted hole and the open hole at the end of the half-shaft is ensured to be complex, and therefore, the efficiency is low. And in the vehicle use after the assembly, belong to clearance fit between locking cap and the nut, there is the abnormal sound phenomenon problem of rocking, influence navigating mate or passenger's driving experience.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a half-axle nut structure front wheel limit actuating system and vehicle to there is the problem of rocking the abnormal sound in solving half-axle nut structure assembly complicacy, the vehicle use.

In order to solve the technical problem, the utility model discloses a realize like this:

in a first aspect, an embodiment of the present invention provides a half-axle nut structure, including a nut seat and a mounting base, where the nut seat is mounted on the mounting base;

the mounting base comprises a first mounting end, a second mounting end, a third mounting end and a mounting central part, and the first mounting end, the second mounting end and the third mounting end are connected end to end and are all connected with the mounting central part; the middle part of the nut seat is provided with a threaded hole, the mounting center part is provided with a through hole matched with the threaded hole, and the threaded hole is communicated with the through hole; the nut seat and the installation central part are of an integrally formed structure.

The utility model discloses further set up to: the nut seat and the mounting base are coaxially arranged.

The utility model discloses further set up to: the nut seat and the mounting base are of a centrosymmetric structure.

The utility model discloses further set up to: the first mounting end is provided with a first mounting hole, the second mounting end is provided with a second mounting hole, the third mounting end is provided with a third mounting hole, and the first mounting hole, the second mounting hole and the third mounting hole are all connected with a hub bearing.

The utility model discloses further set up to: the first mounting end is also provided with a first counter bore, and the first counter bore is communicated with the first mounting hole; the second mounting end is also provided with a second counter bore, and the second counter bore is communicated with the second mounting hole; and a third counter sink is further formed at the third mounting end and communicated with the third mounting hole.

The utility model discloses further set up to: the nut seat is a hexagon nut.

In a second aspect, an embodiment of the present invention provides a front wheel driving system, which includes a half-axle nut structure.

In a third aspect, embodiments of the present invention provide a vehicle, which includes a front wheel-side driving system.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a half-axle nut structure, through the enhancement of first installation end, second installation end and third installation end to half-axle nut structure, and fix on the drive semi-axis through the nut seat, nut seat and installation base integrated into one piece to solved in the vehicle use after the assembly, the problem of rocking the abnormal sound that the half-axle nut structure caused.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a half-axle nut structure in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a front wheel-side driving system according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a conventional front wheel-side drive system;

FIG. 4 is a schematic structural view of a conventional half-shaft nut;

in the figure: 1. a nut seat; 11. a threaded hole; 2. installing a base; 21. a first mounting end; 211. a first mounting hole; 212. a first counterbore; 22. a second mounting end; 221. a second mounting hole; 222. a second counterbore; 23. a third mounting end; 231. a third mounting hole; 232. a third counter sink; 100. a half-shaft nut structure; 200. a drive half shaft; 300. a hub bearing; 1000. a front wheel-side drive system; 2000. existing front edge drive systems; 2010. existing half-shaft nut configurations; 2011. a gasket; 2012. a nut; 2013. and a locking cap.

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 some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

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 otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The embodiment of the present invention provides a half-axle nut structure 100, please refer to fig. 1 and fig. 2, the half-axle nut structure 100 includes a nut seat 1 and an installation base 2, the nut seat 1 is installed on the installation base 2;

the mounting base 2 comprises a first mounting end 21, a second mounting end 22, a third mounting end 23 and a mounting central part (not shown in the figure), wherein the first mounting end 21, the second mounting end 22 and the third mounting end 23 are connected end to end and are all connected with the mounting central part; a threaded hole 11 is formed in the middle of the nut seat 1, a through hole matched with the threaded hole 11 is formed in the installation center part, and the threaded hole 11 is communicated with the through hole; the nut seat 1 and the installation central part are of an integrally formed structure.

The utility model discloses beneficial effect of embodiment: the embodiment of the utility model provides a half-shaft nut structure 100, through the enhancement of first installation end 21, second installation end 22 and third installation end 23 to half-shaft nut structure 100, and fix on drive semi-axis 200 through nut seat 1, nut seat 1 is the integrated into one piece structure with installation base 2 to solved in the vehicle use after the assembly, the problem of rocking the abnormal sound that half-shaft nut structure 100 caused.

Illustratively, as shown in fig. 2, the half-nut structure 100 forms a three-claw shape through the first mounting end 21, the second mounting end 22 and the third mounting end 23, and is connected to the hub bearing 300, so that not only the bearing capacity and the loosening effect of the half-nut structure 100 can be greatly improved, but also the contact area of the hub bearing 300 can be increased, and the clamping capacity of the half-nut structure 100 can be improved. Wherein, the nut seat 1 is in screw connection with the driving half shaft 200.

In one embodiment, referring to fig. 2, the nut seat 1 and the mounting base 2 are coaxially disposed.

In one embodiment, referring to fig. 2, the nut seat 1 and the mounting base 2 are of a central symmetrical structure.

In one embodiment, referring to fig. 1, the first mounting end 21 is provided with a first mounting hole 211, the second mounting end 22 is provided with a second mounting hole 221, the third mounting end 23 is provided with a third mounting hole 231, and the first mounting hole 211, the second mounting hole 221 and the third mounting hole 231 are all connected to the hub bearing 300.

Specifically, the half-shaft nut structure 100 is connected to the hub bearing 300 through three bolts passing through the first mounting hole 211, the second mounting hole 221 and the third mounting hole 231, so that the number of parts of the locking nut mechanism is reduced, the manufacturing and processing costs are saved, the assembly process is reduced, and the efficiency is improved. The bolt can be fastened according to the specified torque, and can be disassembled for multiple times.

In one embodiment, referring to fig. 1, the first mounting end 21 further has a first countersunk hole 212, and the first countersunk hole 212 is communicated with the first mounting hole 211; the second mounting end 22 is further provided with a second counter-sunk hole 222, and the second counter-sunk hole 222 is communicated with the second mounting hole 221; the third mounting end 23 is further provided with a third counter bore 232, and the third counter bore 232 is communicated with the third mounting hole 231.

Specifically, the bolts mounted in the first mounting hole 211, the second mounting hole 221, and the third mounting hole 231 do not protrude out of the surface of the mounting base 2 through the first counterbore 212, the second counterbore 222, and the third counterbore 232, thereby affecting the aesthetic appearance of the entire half-shaft nut structure 100.

In one embodiment, referring to fig. 1, the nut seat 1 is a hexagonal nut.

Specifically, nut seat 1 is of a hexagonal configuration and may be assembled to drive axle shaft 200 using a hex wrench or socket.

The embodiment of the present invention further provides a front wheel driving system 1000, please refer to fig. 2, wherein the front wheel driving system 1000 includes the half-shaft nut structure 100.

In this embodiment, as shown in fig. 2, the front wheel-side driving system 1000 further includes a steering driving axle shaft 200 and a hub bearing 300, and the hub bearing 300 and the axle nut structure 100 are sequentially mounted on the steering driving axle shaft 200. Three bolt holes matched with the first mounting hole 211, the second mounting hole 221 and the third mounting hole 231 are formed in the hub bearing 300, and a plurality of fixing holes used for fixing the half-shaft nut structure 100 are further formed in the hub bearing 300.

Specifically, the half-shaft nut arrangement 100 secures the steering drive half-shaft 200. And the length of the shaft end of the steering driving half shaft 200 connected with the half shaft nut is reduced, and the shaft end of the steering driving half shaft 200 can be reduced to expose the nut seat 1 for a certain distance after assembly, so that the weight of the whole vehicle is further reduced. The hub bearing 300 and the half-shaft nut structure 100 are sequentially installed behind the steering driving half shaft 200 and are installed on a plurality of fixing holes through bolts, and the plurality of fixing holes are respectively formed around the installation base 2, so that the half-shaft nut structure 100 is fixed. Preferably, the number of the fixing holes is 4 or 6, and the angle of each fixing hole is adjusted according to the difficulty of assembly, which is not limited herein.

An embodiment of the present invention further provides a vehicle (not shown in the figure), the vehicle includes a front wheel driving system 1000.

Specifically, the front wheel-side drive system 1000 is mounted on the vehicle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a half-axle nut structure 100 front wheel limit actuating system 1000, and vehicle, half-axle nut structure 100 is through first installation end 21, the enhancement of second installation end 22 and third installation end 23 to half-axle nut structure 100, and fix on drive semi-axis 200 through nut seat 1, nut seat 1 and installation base 2 are the integrated into one piece structure, thereby in the vehicle use after the assembly, the problem of rocking the abnormal sound that half-axle nut structure 100 caused, and then improve user's use experience and the whole appearance of vehicle. The length of the shaft end of the steering drive half shaft 200 connected with the half shaft nut is reduced, so that the weight of the whole vehicle is further reduced.

The above description is for illustrative purposes only and is not intended to be limiting, and the present invention is not limited to the above embodiments, and many modifications may be made by those skilled in the art without departing from the spirit and scope of the present invention.

Claims

1. A half-shaft nut structure, characterized by comprising: the nut seat is mounted on the mounting base;

the mounting base comprises a first mounting end, a second mounting end, a third mounting end and a mounting central part, wherein the first mounting end, the second mounting end and the third mounting end are connected end to end and are all connected with the mounting central part; the middle part of the nut seat is provided with a threaded hole, the mounting center part is provided with a through hole matched with the threaded hole, and the threaded hole is communicated with the through hole; the nut seat and the mounting center part are of an integrally formed structure.

2. The half-shaft nut structure as claimed in claim 1, wherein said nut seat and said mounting base are coaxially disposed.

3. The half-shaft nut structure as claimed in claim 1, wherein said nut seat and said mounting base are of a centrosymmetric structure.

4. The half-shaft nut structure as claimed in claim 1, wherein the first mounting end defines a first mounting hole, the second mounting end defines a second mounting hole, the third mounting end defines a third mounting hole, and the first mounting hole, the second mounting hole and the third mounting hole are all connected to a hub bearing.

5. The half-shaft nut structure as claimed in claim 4, wherein the first mounting end is further provided with a first counter bore, and the first counter bore is communicated with the first mounting hole; the second mounting end is also provided with a second counter bore, and the second counter bore is communicated with the second mounting hole; and a third counter sink is further formed at the third mounting end and communicated with the third mounting hole.

6. The half-shaft nut structure as claimed in claim 1, wherein said nut holder is a hexagonal nut.

7. A front wheel-side drive system, characterized in that it comprises the half-shaft nut arrangement according to any one of claims 1 to 6.

8. A vehicle characterized in that it comprises the front wheel-side drive system of claim 7.