CN113715555A

CN113715555A - Lightweight automobile wheel hub

Info

Publication number: CN113715555A
Application number: CN202111054383.7A
Authority: CN
Inventors: 李明耀; 戴世明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2021-11-30

Abstract

The invention relates to the field of automobile hubs, in particular to a lightweight automobile hub, which comprises a rotating main shaft, wherein the right end of the rotating main shaft is fixedly connected with a first turntable, a plurality of connecting shafts are uniformly distributed on the first turntable, the connecting shafts are fixedly connected with the first turntable, the outer wall of each connecting shaft is wrapped with an air bag, a second turntable is arranged on each connecting shaft, a plurality of through holes are formed in the second turntable, each connecting shaft is in sliding connection with the second turntable through the through holes, each connecting shaft is used for driving the second turntable to rotate, a protective shell is arranged on the right side of the second turntable, the protective shell is fixedly connected with the second turntable, rubber tires are wrapped on the side walls of the second turntable and the protective shell, the air bags are wrapped on the connecting shafts, the height of a chassis of a vehicle is increased when the air bags are inflated, the situation that a higher obstacle scratches or punctures the chassis is avoided, and the inflated air bags are started or stopped when the tires run on or off a non-level road section, when the connecting shaft drives the second turntable to rotate, rigid contact is changed into flexible contact, and the effect of buffering and vibration reduction is achieved.

Description

Lightweight automobile wheel hub

Technical Field

The invention relates to the field of automobile hubs, in particular to a lightweight automobile hub.

Background

The hub is a cylindrical metal part which supports the tire by the inner contour of the tire and is arranged on a shaft at the center, the hub is divided into different types according to the diameter, the width, the forming mode and the like, and the structure of the hub greatly influences the performance of the automobile as the hub bears most of the load generated in the driving process of the automobile, and the patent number is as follows: CN111873701A discloses a lightweight automobile hub, which comprises a spacer, a leak hole and a wheel disc, wherein a main wheel is arranged in the spacer, a support block is fixed in the main wheel, a heat dissipation mechanism is arranged at the rear end of the leak hole, the leak hole is positioned in the middle of the support block, a reinforcing rib is arranged in the support block, the heat dissipation mechanism comprises a fixed block and a connecting block, the fixed block is fixed in the connecting block, a protective shell is arranged at the front end of the wheel disc, the wheel disc is positioned in the support block, a bolt hole is arranged in the wheel disc, and a wire binding mechanism is arranged on one side of the wheel disc, which is far away from the central line of the wheel disc. The abrasion speed of the tire is increased, but the use environment of a light vehicle used by children is not considered in the conventional wheel hub, and the rigid-connection wheel hub is easy to knock the children when the vehicle is started, stopped or drives across an uneven road section.

Disclosure of Invention

In order to avoid using rigidly connected wheel hub to gouge children when the vehicle is started and stopped or is driven across the uneven road section, make up for the wheel hub defect of children with light vehicle, the following technical scheme is proposed: the utility model provides a lightweight automobile wheel hub, including rotating the main shaft, rotate the first carousel of main shaft right-hand member fixedly connected with, evenly distributed has a plurality of connecting axles on the first carousel, connecting axle and first carousel fixed connection, connecting axle outer wall parcel has the gasbag, install the second carousel on the connecting axle, a plurality of through-holes have been seted up on the second carousel, the connecting axle passes through-hole and second carousel sliding connection, the connecting axle is used for driving the second carousel and rotates, second carousel right side is equipped with the protective housing, protective housing and second carousel fixed connection, the protective housing makes the inside enclosure space that forms of wheel hub, avoid external dust impurity to influence the operation of internal mechanism, second carousel and protective housing lateral wall parcel have the rubber tire.

It is specific, the inside air channel that is equipped with of rotation main shaft, air channel and gasbag intercommunication, the user is according to the demand, can fill the gassing in to the gasbag through the air channel, when the gasbag was bloated, can drive the rotation main shaft and carry out the lifting, thereby make the chassis height of vehicle improve, avoid the condition emergence on higher barrier fish tail or stabbing the chassis, the gasbag of aerifing simultaneously stops or when driving over uneven highway section at the tire, become the flexonics by rigid contact when making the connecting axle drive second carousel rotate, the effect of buffering damping has been played.

Specifically, be equipped with the third carousel in the clearance of first carousel and second carousel, third carousel and second carousel fixed connection, first annular spout has been seted up on the third carousel, be equipped with a plurality of balls in the first annular spout, the third carousel passes through ball and first carousel rolling contact, through be equipped with the third carousel in the clearance, make the sliding friction at second carousel and first carousel center become rolling friction, frictional force has been reduced, make the transmission between second carousel and the first carousel more smooth and easy laborsaving.

Specifically, the inner wall of one side of the protective shell, which is close to the second turntable, is provided with a plurality of circular grooves, the grooves correspond to the connecting shafts one to one, the circular grooves are the same as the diameters of the through holes, and the circular grooves are formed in the inner wall of the protective shell, so that the part, which exceeds the second turntable, of the connecting shafts rotates in the circular grooves, the displacement of the connecting shafts in the horizontal direction is limited, and the shaking amplitude of the tire during rolling is reduced.

Specifically, the spacing dish of connecting axle right-hand member fixedly connected with, the spacing fender ring of lateral wall fixedly connected with of spacing dish, second annular spout has been seted up with the terminal surface of protective housing inner wall contact to spacing fender ring, is equipped with a plurality of balls in the second annular spout, and ball and protective housing inner wall rolling contact through the ball on the spacing fender ring, make the connecting axle become rolling contact when the circular recess internal slip of protective housing rotates, have reduced frictional force, have prolonged wheel hub's life.

Specifically, the ball on spacing ring is rolled in the circular recess of protective housing through spacing to spacing dish, spacing ring and circular recess edge have the interval, spacing ring slides in the region that annular dog and circular recess are restricted, when the gasbag aerifys, the connecting axle changes with the joint height of second carousel and protective housing, the terminal spacing ring of connecting axle cooperates with the annular dog in the protective housing, the floating interval of the vertical direction of connecting axle has been restricted, make the connecting axle can not derail with being connected between second carousel and the protective housing, the stability of wheel hub structure has been improved.

Specifically, the gasbag is close to connecting axle one side and is equipped with the opening, fixedly connected with trachea on the opening, trachea and air channel fixed connection, and the trachea is used for making the air channel get into the more even of the velocity of flow of gasbag high-pressure gas, makes the gasbag admit air more steadily.

Specifically, the outer side of the air bag is wrapped by the nitrile rubber, when the acrylonitrile content of the nitrile rubber is 39%, the air tightness is equivalent to that of IIR rubber, the air tightness is good, hydrogenated nitrile rubber is selected preferably, the hydrogenated nitrile rubber has good elasticity and wear resistance, and the service life of the hub is prolonged.

Specifically, the protective housing is of a split structure, a thread groove is formed in the middle of the protective housing, each split of the protective housing is fixedly connected through a bolt, and the circular groove formed in the protective housing is of a concave-convex structure, so that the protective housing adopting the split structure is simpler and more convenient to install and disassemble, and a user of convenience can maintain and replace the protective housing.

Specifically, the second carousel and the protective housing are outer and are close to each other one side base equal fixedly connected with solid fixed ring, install a plurality of bolts on solid fixed ring, and the second carousel passes through bolted connection with the protective housing and closely laminates fixedly, makes the whole firm durable more of wheel hub.

Compared with the prior art, the invention has the following beneficial effects:

1. the connecting shaft is wrapped with the air bag, so that the height of the chassis of the vehicle is increased when the air bag is inflated, and the situation that a higher barrier scratches or stabs the chassis is avoided;

2. when the tire is started or stopped or runs through an uneven road section, the inflatable air bag enables the rigid contact to be changed into the flexible contact when the connecting shaft drives the second turntable to rotate, and the buffering and vibration damping effects are achieved.

3. The diameter of the connecting shaft is designed to be smaller than that of the through hole in the second rotary disc, when the automobile is started or the wheel hub stops suddenly due to the fact that obstacles on a road are met, the connecting shaft can have a buffering effect inside the through hole, and injury to a user when the automobile is started or stops suddenly is reduced.

Drawings

FIG. 1 is a front view of a lightweight automotive hub according to the present invention;

FIG. 2 is a cross-sectional view of a lightweight automobile hub according to the present invention;

FIG. 3 is a cross-sectional view of the airbag in the direction B-B in FIG. 2 of the lightweight automobile hub according to the present invention when the airbag is not inflated;

FIG. 4 is a cross-sectional view of the airbag in the direction B-B in FIG. 2 of the light-weight automobile hub according to the present invention when inflated;

FIG. 5 is a partial enlarged view of a connection position of a connecting shaft and a circular groove of the lightweight automobile hub;

FIG. 6 is a partial enlarged view of a joint of a second turntable and a protective shell of the lightweight automobile hub;

FIG. 7 is a partial enlarged view of a connection part of an air bag and a connecting shaft of the light-weight automobile hub;

FIG. 8 is a cross-sectional view A-A of FIG. 2 of a lightweight automotive hub according to the present invention;

FIG. 9 is a schematic structural view of a third turntable of the lightweight automobile hub according to the present invention.

In the figure: the pneumatic tire protection device comprises a rotating main shaft 1, a first rotary table 2, a connecting shaft 3, an air bag 4, a second rotary table 5, a through hole 6, a protective shell 7, a rubber tire 8, a vent groove 9, a fixing ring 10, a third rotary table 11, a first annular sliding groove 12, a circular groove 13, a limiting disc 14, an annular stop block 15, a limiting stop ring 16, a second annular sliding groove 17, an air pipe 18 and a thread groove 19.

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. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only used for convenience of description and simplicity of description, but do not indicate or imply that the designated device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, it is not to be understood that the present invention is limited to the embodiments based on the present invention, and all other embodiments obtained by one of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution: the utility model provides a lightweight automobile wheel hub, including rotating main shaft 1, rotate 1 right-hand member fixedly connected with first carousel 2 of main shaft, evenly distributed has a plurality of connecting axles 3 on the first carousel 2, connecting

axle

3 and 2 fixed connection of first carousel, 3 outer wall parcels of connecting axle have gasbag 4, install second carousel 5 on the connecting axle 3, a plurality of through-holes 6 have been seted up on the second carousel 5, connecting axle 3 passes through-

hole

6 and 5 sliding connection of second carousel, connecting axle 3 is used for driving second carousel 5 and rotates, 5 right sides of second carousel are equipped with protective housing 7,

protective housing

7 and 5 fixed connection of second carousel, protective housing 7 makes the inside enclosure space that forms of wheel hub, avoid external dust impurity to influence the operation of inside mechanism,

second carousel

5 and 7 lateral walls parcels of protective housing have rubber tyre 8.

It is specific, 1 inside air channel 9 that is equipped with of rotation main shaft,

air channel

9 and 4 intercommunications of gasbag, the user is according to the demand, can fill the gassing in to gasbag 4 through

air channel

9, 4 times of bloating of gasbag, can drive rotation main shaft 1 and carry out the lifting, thereby make the chassis height of vehicle improve, avoid the condition emergence on higher barrier fish tail or stabbing the chassis, gas filled gasbag 4 stops or drives when the non-flat road section at the tire simultaneously, become the flexonics by rigid contact when making connecting axle 3 drive second carousel 5 rotate, the effect of buffering damping has been played.

Specifically, be equipped with third carousel 11 in the clearance of first carousel 2 and second carousel 5,

third carousel

11 and 5 fixed connection of second carousel, first annular spout 12 has been seted up on the third carousel 11, be equipped with a plurality of balls in the first annular spout 12, third carousel 11 passes through ball and 2 rolling contact of first carousel, through be equipped with third carousel 11 in the clearance, make the sliding friction at

second carousel

5 and 2 centers of first carousel become rolling friction, frictional force has been reduced, make the transmission between second carousel 5 and the first carousel 2 more smooth and easy laborsaving.

Specifically, protective housing 7 is close to second carousel 5 one side inner wall and has seted up a plurality of circular recess 13, be equipped with annular dog 15 in the circular recess 13, circular recess 13 and connecting axle 3 one-to-one, circular recess 13 is the same with the diameter of through-hole 6, the circular recess 13 that the protective housing 7 inner wall was seted up, make connecting axle 3 surpass the part of second carousel 5 at circular recess 13 internal rotation, the displacement of connecting axle 3 in the horizontal direction has been restricted, the range of rocking when having reduced rubber tyre 8 and rolling.

Specifically, a plurality of spacing dishes 14 of 3 right side wall fixedly connected with of connecting axle, spacing fender ring 16 of the lateral wall fixedly connected with of spacing dish 14, second annular spout 17 has been seted up with the terminal surface of the contact of protective housing 7 inner wall to spacing fender ring 16, be equipped with a plurality of balls in the second annular spout 17, ball and the contact of protective housing 7 inner wall roll, through the ball on spacing fender ring 16, make connecting axle 3 become the roll contact when the circular recess 13 internal slip of protective housing 7 rotates, the frictional force has been reduced, wheel hub's life has been prolonged.

Specifically, the ball on spacing ring 16 is rolled in circular recess 13 of protective housing 7 through spacing retaining ring 14, spacing retaining ring 16 and circular recess 13 edge have the interval, spacing retaining ring 16 slides in the region that annular dog 15 and circular recess 13 were restricted, when gasbag 4 aerifys, connecting shaft 3 changes with the height of being connected of second carousel 5 and protective housing 7, spacing retaining ring 16 of connecting shaft 3 end cooperates with annular dog 15 in the protective housing 7, the floating interval of 3 vertical directions of connecting shaft has been restricted, make the connection between connecting shaft 3 and second carousel 5 and the protective housing 7 can not derail, the stability of wheel hub structure has been improved.

Specifically, the gasbag 4 is equipped with the opening near connecting axle 3 one side, fixedly connected with trachea 18 on the opening, trachea 18 and air channel 9 fixed connection, and trachea 18 is used for making air channel 9 get into the more even of the velocity of flow of gasbag 4 high-pressure gas, makes gasbag 4 admit air more steadily.

Specifically, the outer side of the air bag 4 is wrapped by nitrile rubber, when the acrylonitrile content of the nitrile rubber is 39%, the air tightness is equivalent to that of IIR rubber, the air tightness is good, hydrogenated nitrile rubber is selected preferably, the hydrogenated nitrile rubber has good elasticity and wear resistance, and the service life of the hub is prolonged.

Specifically, protective housing 7 is the components of a whole that can function independently structure, and thread groove 19 has been seted up at protective housing 7 middle part, and each components of a whole that can function independently of protective housing 7 passes through bolt fixed connection, because the circular recess 13 of seting up on protective housing 7 has concave-convex enclosed construction, and the protective housing 7 that adopts split type structure is simple and easy more convenient when the installation with dismantle, and the person of facilitating the use maintains the change.

Specifically, the second carousel 5 and the protective housing 7 are close to each other one side base equal fixedly connected with solid fixed ring 10, install a plurality of bolts on solid fixed ring 10, and second carousel 5 closely laminates fixedly through bolted connection with protective housing 7, makes the whole firm durable more of wheel hub.

During the use, starter motor drives and rotates main shaft 1 and rotates, it drives connecting axle 3 and first carousel 2 and rotates to rotate main shaft 1, it rotates to drive second carousel 5 when connecting axle 3 rotates, thereby make the vehicle move along, when the vehicle runs into the highway section not flat and probably produces the damage to the chassis, aerify in gasbag 4 through air channel 9, when gasbag 4 bloated, can drive and rotate main shaft 1 and carry out the lifting, thereby make the chassis height of vehicle improve, avoid the condition emergence of higher barrier fish tail or stabbing chassis, aerify gasbag 4 simultaneously when the tire opens and stops or drive through uneven highway section, become the flexonics by the rigid contact when making connecting axle 3 drive second carousel 5 and rotate, the effect of buffering damping has been played.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a lightweight automobile wheel hub, includes rotation main shaft (1), its characterized in that: rotate main shaft (1) right-hand member fixedly connected with first carousel (2), evenly distributed has a plurality of connecting axles (3) on first carousel (2), connecting axle (3) and first carousel (2) fixed connection, connecting axle (3) outer wall parcel has gasbag (4), install second carousel (5) on connecting axle (3), a plurality of through-holes (6) have been seted up on second carousel (5), connecting axle (3) are through-hole (6) and second carousel (5) sliding connection, second carousel (5) right side is equipped with protective housing (7), protective housing (7) and second carousel (5) fixed connection, second carousel (5) and protective housing (7) lateral wall parcel have rubber tire (8).

2. The light-weight automobile hub according to claim 1, characterized in that: an air groove (9) is formed in the rotating main shaft (1), and the air groove (9) is communicated with the air bag (4).

3. The light-weight automobile hub according to claim 1, characterized in that: be equipped with third carousel (11) in the clearance of first carousel (2) and second carousel (5), third carousel (11) and second carousel (5) fixed connection, first annular spout (12) have been seted up on third carousel (11), be equipped with a plurality of balls in first annular spout (12), third carousel (11) are through ball and first carousel (2) rolling contact.

4. The light-weight automobile hub according to claim 1, characterized in that: a plurality of circular grooves (13) are formed in the inner wall, close to one side of the second rotating disc (5), of the protective shell (7), annular stop blocks (15) are arranged in the circular grooves (13), the circular grooves (13) correspond to the connecting shafts (3) one to one, and the circular grooves (13) are the same as the through holes (6) in diameter.

5. The light-weight automobile hub according to claim 1, characterized in that: connecting axle (3) right-hand member fixedly connected with spacing dish (14), the lateral wall fixedly connected with spacing fender ring (16) of spacing dish (14), second annular spout (17) have been seted up with the terminal surface of protective housing (7) inner wall contact to spacing fender ring (16), be equipped with a plurality of balls in second annular spout (17), ball and protective housing (7) inner wall rolling contact.

6. The light-weight automobile hub according to claim 5, characterized in that: the limiting disc (14) rotates in a rolling mode in a circular groove (13) of the protective shell (7) through balls on a limiting stop ring (16), the limiting stop ring (16) and the edge of the circular groove (13) are spaced, and the limiting stop ring (16) slides in an area limited by an annular stop block (15) and the circular groove (13).

7. The light-weight automobile hub according to claim 1, characterized in that: an opening is formed in one side, close to the connecting shaft (3), of the air bag (4), an air pipe (18) is fixedly connected to the opening, and the air pipe (18) is fixedly connected with the vent groove (9).

8. The light-weight automobile hub according to claim 1, characterized in that: the outer side of the air bag (4) is wrapped with hydrogenated nitrile rubber, when the acrylonitrile content of the nitrile rubber is 39%, the air tightness is equivalent to that of IIR rubber, the air tightness is good, and the hydrogenated nitrile rubber has good elasticity and wear resistance.

9. The light-weight automobile hub according to claim 1, characterized in that: the protective housing (7) is of a split structure, a thread groove (19) is formed in the middle of the protective housing (7), and the protective housing (7) is fixedly connected through bolts in a split mode.

10. The light-weight automobile hub according to claim 1, characterized in that: the protective shell is characterized in that the second rotary table (5) and the protective shell (7) are mutually close to each other, a fixing ring (10) is fixedly connected to the bottom edge of one side, and a plurality of bolts are installed on the fixing ring (10).