CN215621201U

CN215621201U - Mounting structure of drive shaft and wheel hub

Info

Publication number: CN215621201U
Application number: CN202122103778.3U
Authority: CN
Inventors: 包海珠
Original assignee: Individual
Current assignee: Taizhou Huarui Electric Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-25
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a mounting structure of a driving shaft and a hub, relating to the technical field of hubs and having the technical scheme key points that: including the drive shaft, wheel hub, the rim, wheel hub and rim set up with one heart, it is fixed to be provided with the spoke between wheel hub and the rim to connect, the mounting hole has been seted up at wheel hub's center, the output of drive shaft is located the mounting hole and is provided with between the output of drive shaft and the mounting hole and make wheel hub and the synchronous pivoted linkage of drive shaft, the output of drive shaft is threaded connection still and is used for carrying out the spacing nut of axial to wheel hub, the spoke, rim synchronous rotation, under the restriction of linkage and nut, make holistic stability stronger.

Description

Mounting structure of drive shaft and wheel hub

Technical Field

The utility model relates to the technical field of hubs, in particular to a mounting structure of a driving shaft and a hub.

Background

At present, a wheel hub is a cylindrical metal part which is used for supporting a tire by taking an axle as a center in the tire of an electric vehicle, in general, the part of the wheel hub for mounting an axle is an important part for connecting a brake drum (a brake disc) and a wheel disc.

Along with the growth of china's electric motor car spare part industry, like electric tricycle, electric automobile etc. current wheel hub is fixed with wheel hub and drum through four screws mostly to make wheel hub and drive shaft synchronous rotation, but increase along with the travel time, the screw on the wheel hub is not hard up easily, causes the not hard up of wheel hub, and stability is relatively poor.

SUMMERY OF THE UTILITY MODEL

In view of the disadvantages of the prior art, an object of the present invention is to provide a mounting structure for a drive shaft and a hub, which has the advantage of higher stability.

The technical purpose of the utility model is realized by the following technical scheme: including drive shaft, wheel hub, rim, wheel hub with the rim sets up with one heart, wheel hub with be provided with the spoke between the rim and connect fixedly characterized by: the hub is characterized in that a mounting hole is formed in the center of the hub, the output end of the driving shaft is located in the mounting hole, a linkage piece enabling the hub and the driving shaft to synchronously rotate is arranged between the output end of the driving shaft and the mounting hole, and the output end of the driving shaft is further in threaded connection with a nut used for axially limiting the hub.

Through above-mentioned technical scheme, wheel hub, spoke, rim synchronous revolution under the restriction of linkage and nut for holistic stability is stronger.

Preferably, the linkage piece comprises a first linkage pin, a first installation groove is formed in the output end of the driving shaft, a second installation groove is formed in the hole wall of the installation hole, a first pin hole is formed in the first installation groove and the second installation groove in a matched mode, and the first linkage pin can be inserted into the first pin hole.

Through the technical scheme, the linkage pin I is matched with the pin hole I, so that the driving shaft can drive the mounting hole to rotate, and the driving shaft can drive the whole hub to rotate.

Preferably, the linkage piece is including installation cover one, the outside protrusion in side of drive shaft output is formed with a plurality of fixture blocks, installation cover one is fixed in the mounting hole, the inner chamber of installation cover one is seted up from bottom to top with a plurality of the draw-in groove of fixture block one-to-one, the fixture block can block into to the draw-in groove.

Through above-mentioned technical scheme, owing to have the cooperation of fixture block and draw-in groove, the drive shaft can drive installation cover one and rotate, and installation cover one install in the mounting hole and both synchronous rotations, finally can realize that the drive shaft drives wheel hub and stably rotates.

Preferably, the linkage piece comprises a second mounting sleeve and a second linkage pin, the second mounting sleeve is fixed in the mounting hole, a third mounting groove is formed in the output end of the driving shaft, a fourth mounting groove is formed in the inner cavity of the second mounting sleeve, a second pin hole is formed in the third mounting groove and the fourth mounting groove in a matched mode, and the second linkage pin can be inserted into the second pin hole.

Through the technical scheme, the second mounting sleeve and the second pin hole formed by the driving shaft enable the driving shaft to drive the second mounting sleeve to synchronously rotate under the action of the second linkage pin, the second mounting sleeve is mounted in the mounting hole and synchronously rotates, and finally the driving shaft drives the hub to rotate.

Preferably, the number of the nuts is one, and one end of the nut close to the main body of the driving shaft abuts against the hub.

Through above-mentioned technical scheme, the nut is direct with drive shaft threaded connection, and the nut pastes with the wheel hub mutually for wheel hub is driven the pivoted in-process by the drive shaft and can not break away from this side of nut.

Preferably, a limiting column is arranged between the nut and the driving shaft, and the limiting column can penetrate through the nut and the driving shaft.

Through above-mentioned technical scheme, after the nut installation is accomplished, insert spacing post to nut and drive shaft for relative rotation can not take place between nut and the drive shaft, improvement stability.

In summary, compared with the prior art, the beneficial effects of the utility model are as follows:

1. the mounting sleeve II is matched with the linkage pin II and the single nut is fixed, so that the integral stability is stronger in the rotation process of the hub;

2. four screws are fixed into a single nut, so that the material is saved.

Drawings

FIG. 1 is an exploded view of the first embodiment;

FIG. 2 is an exploded view of the second embodiment;

fig. 3 is an exploded view of the third embodiment.

Reference numerals: 1. a drive shaft; 2. a hub; 21. mounting holes; 3. a rim; 4. a spoke; 5. a linkage member; 51. mounting a first sleeve; 52. a first linkage pin; 53. mounting a second sleeve; 54. a second linkage pin; 6. a nut; 7. a limiting column; 8. a first mounting groove; 9. a second mounting groove; 10. a third mounting groove; 11. a fourth mounting groove; 12. a first pin hole; 13. a pin hole II; 14. a longitudinal projection; 15. a longitudinal groove; 16. a transverse bulge; 17. a transverse groove; 18. a clamping block; 19. a clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

a mounting structure of a driving shaft and a wheel hub comprises a driving shaft 1, a wheel hub 2 and a wheel rim 3, wherein the driving shaft 1 is a shaft for providing a rotating force for a vehicle to a tire, an outer ring of the wheel rim 3 is used for mounting a tire body, the wheel hub 2 and the wheel rim 3 are arranged in the same circle center, a wheel spoke 4 is arranged between the wheel hub 2 and the wheel rim 3 for connecting and fixing, specifically, the wheel spoke 4 is made by punching, a mounting hole 21 is arranged at the center of the wheel hub 2, the driving shaft 1 is provided with an output end, the output end of the driving shaft 1 is positioned in the mounting hole 21 when being mounted, a linkage piece 5 for enabling the wheel hub 2 and the driving shaft 1 to synchronously rotate is arranged between the output end of the driving shaft 1 and the mounting hole 21, the output end of the driving shaft 1 is further in threaded connection with a nut 6 for axially limiting the wheel hub 2, the number of the nuts 6 is one, when the nut 6 is screwed, one end, close to a main body of the driving shaft 1, is attached to the wheel hub 2, be provided with spacing post 7 between nut 6 and the drive shaft 1, spacing post 7 can transversely run through nut 6 and drive shaft 1, specifically, the condition that spacing post 7 aims at effectively preventing it from appearing becoming flexible after nut 6 screws up, it should be noted that, the material of drive shaft 1, wheel hub 2, rim 3 among the above-mentioned is general and common forging material in the market, and the retrench need not be repeated here.

The linkage piece 5 comprises a second mounting sleeve 53 and a second linkage pin 54, the second mounting sleeve 53 is fixed in the mounting hole 21, a third mounting groove 10 is formed in the output end of the driving shaft 1, a fourth mounting groove 11 is formed in the inner cavity of the second mounting sleeve 53, a second pin hole 13 is formed by matching the third mounting groove 10 with the fourth mounting groove 11, the second linkage pin 54 can be inserted into the second pin hole 13, the second mounting sleeve 53 and the second pin hole 13 formed by the driving shaft 1 enable the driving shaft 1 to drive the second mounting sleeve 53 to synchronously rotate under the action of the second linkage pin 54, the second mounting sleeve 53 is mounted in the mounting hole 21 and synchronously rotates with the first mounting sleeve and the second mounting sleeve, and finally the driving shaft 1 drives the hub 2 to rotate.

The working principle is as follows: wheel hub 2, spoke 4, rim 3 synchronous revolution under linkage 5 and nut 6's restriction for holistic stability is stronger, and because nut 6 threaded connection is on drive shaft 1, and for whole tire, the tire is around drive shaft 1 pivoted, thereby in the use, establish nut 6 precession direction to opposite with electric motor car advancing direction, then nut 6 can be more and more tight in electric motor car driving process, can not produce the condition that drops.

Example two:

the difference between the second embodiment and the first embodiment is that: as shown in fig. 2, the linkage member 5 includes a first mounting sleeve 51, a plurality of clamping blocks 18 are formed by the outward protrusion of the side surface of the output end of the driving shaft 1, the first mounting sleeve 51 is fixed in the mounting hole 21, the specific mounting manner is consistent with the embodiment, clamping grooves 19 corresponding to the clamping blocks 18 one by one are formed in the inner cavity of the first mounting sleeve 51 from bottom to top, the clamping blocks 18 can be clamped into the clamping grooves 19, due to the matching of the clamping blocks 18 and the clamping grooves 19, the driving shaft 1 can drive the first mounting sleeve 51 to rotate, the first mounting sleeve 51 is mounted in the mounting hole 21, the first mounting sleeve 51 and the first mounting sleeve 51 rotate synchronously, and finally, the driving shaft 1 can drive the hub 2 to rotate stably.

Example three:

the difference between the third embodiment and the first embodiment is that: as shown in fig. 3, the linkage member 5 includes a first linkage pin 52, a first mounting groove 8 is formed at the output end of the driving shaft 1, a second mounting groove 9 is formed at the hole wall of the mounting hole 21, a first pin hole 12 is formed by matching the first mounting groove 8 with the second mounting groove 9, the first linkage pin 52 can be inserted into the first pin hole 12, and the driving shaft 1 can drive the mounting hole 21 to rotate by adopting the matching of the first linkage pin 52 and the first pin hole 12, so that the driving shaft 1 can drive the whole hub 2 to rotate.

For convenience, the first and second mounting sleeves are collectively referred to as a mounting sleeve, the first mounting sleeve and the second mounting sleeve are referred to as a mounting sleeve, the first mounting sleeve is characterized in that the inner wall of the mounting hole 21 is provided with a plurality of longitudinal protrusions 14, the outer side wall of the mounting sleeve is provided with longitudinal grooves 15 corresponding to the longitudinal protrusions 14, the longitudinal protrusions 14 can be clamped into the longitudinal grooves 15, the inner wall of the mounting hole 21 is provided with a plurality of transverse protrusions 16, the outer side wall of the mounting sleeve is provided with transverse grooves 17 corresponding to the transverse protrusions 16, the transverse protrusions 16 can be pressed into the transverse grooves 17 in an interference fit manner, it should be noted that the protrusions are integrally formed, and the second mounting hole 21 does not have a transverse longitudinal groove, the second mode is preferably selected as the best solution in this embodiment, but the mounting sleeve with the transverse and longitudinal protrusions is firstly placed in the mounting hole 21, and then the die-casting process is matched to form the mounting sleeve, the transverse and longitudinal grooves are extruded in the mounting hole 21 after the completion, and the mounting hole 21 is tightly matched with the mounting sleeve at this time.

The above description is intended to be illustrative of the present invention and not to limit the scope of the utility model, which is defined by the claims appended hereto.

Claims

1. The utility model provides a mounting structure of drive shaft and wheel hub, includes drive shaft (1), wheel hub (2), rim (3), wheel hub (2) with rim (3) set up with one heart, wheel hub (2) with be provided with spoke (4) between rim (3) and connect fixedly characterized by: a mounting hole (21) is formed in the center of the hub (2), the output end of the driving shaft (1) is located in the mounting hole (21), a linkage piece (5) enabling the hub (2) and the driving shaft (1) to synchronously rotate is arranged between the output end of the driving shaft (1) and the mounting hole (21), and the output end of the driving shaft (1) is further in threaded connection with a nut (6) used for limiting the hub (2) in the axial direction.

2. A mounting structure for a drive shaft and a hub as claimed in claim 1, wherein: the linkage piece (5) comprises a first linkage pin (52), a first installation groove (8) is formed in the output end of the driving shaft (1), a second installation groove (9) is formed in the hole wall of the installation hole (21), the first installation groove (8) and the second installation groove (9) are matched to form a first pin hole (12), and the first linkage pin (52) can be inserted into the first pin hole (12).

3. A mounting structure for a drive shaft and a hub as claimed in claim 1, wherein: linkage (5) are including installation cover one (51), the outside protrusion in side of drive shaft (1) output is formed with a plurality of fixture blocks (18), installation cover one (51) are fixed in mounting hole (21), the inner chamber of installation cover one (51) has been seted up from bottom to top with a plurality of draw-in groove (19) of fixture block (18) one-to-one, fixture block (18) can block into extremely draw-in groove (19).

4. A mounting structure for a drive shaft and a hub as claimed in claim 1, wherein: linkage piece (5) are including installation cover two (53), linkage round pin two (54), installation cover two (53) are fixed in mounting hole (21), mounting groove three (10) have been seted up to the output of drive shaft (1), mounting groove four (11) have been seted up to the inner chamber of installation cover two (53), mounting groove three (10) with mounting groove four (11) cooperate and are formed with pinhole two (13), linkage round pin two (54) can insert to pinhole two (13).

5. A mounting structure for a drive shaft and a hub as claimed in claim 4, wherein: the number of the nuts (6) is one, and one end, close to the main body of the driving shaft (1), of each nut (6) is abutted to the hub (2).

6. A mounting structure for a drive shaft and a hub as claimed in claim 5, wherein: the nut (6) with be provided with spacing post (7) between drive shaft (1), spacing post (7) can run through nut (6) and drive shaft (1).