CN219236681U

CN219236681U - Aluminum alloy hub with step groove

Info

Publication number: CN219236681U
Application number: CN202223574515.1U
Authority: CN
Inventors: 李焱华
Original assignee: Foshan Nanhai Leadermold Co ltd
Current assignee: Foshan Nanhai Leadermold Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-23
Anticipated expiration: 2032-12-31

Abstract

The utility model provides an aluminum alloy hub with a stepped groove, which comprises a rim, wherein the left end and the right end of the rim are integrally connected with an inner rim and an outer rim, the center of the outer rim is provided with a wheel disc, and spokes are integrally connected between the wheel disc and the outer rim. The utility model is provided with the step groove near the inflating valve hole, so that the tire pressure monitoring module can be mostly or completely contained in the area between the step groove and the tire, does not occupy the space of other positions, and improves the service life of the hub and the tire and the driving safety while meeting the tire pressure monitoring. Meanwhile, on the premise of meeting the basic requirement of the vehicle on the performance of the hub, the material consumption for manufacturing the hub is minimized, and the requirement of hub weight reduction can be met.

Description

Aluminum alloy hub with step groove

Technical Field

The utility model belongs to the technical field of aluminum alloy hubs, and particularly relates to an aluminum alloy hub with a stepped groove.

Background

The tire pressure monitoring function is to automatically monitor the tire pressure in real time in the running process of the automobile and alarm the air leakage and low pressure of the tire so as to ensure the running safety. Currently, tire pressure is usually detected by a tire pressure monitoring module, and when the tire pressure is too low or the tire leaks, the system automatically alarms. However, in the position of the hub near the valve, the tire pressure monitoring module is not specially reserved or limited in mounting position, so that the tire pressure monitoring module needs to occupy more space at other positions of the hub, the service lives of the hub and the tire are influenced, and certain potential safety hazards exist.

Meanwhile, as the requirements of energy conservation and consumption reduction of automobiles are continuously increased, the requirements of safety and environmental protection regulations are more stringent, the requirements of light weight of automobiles are more urgent, meanwhile, the labor cost and the manufacturing cost of enterprises are greatly increased under a large environment, and the weight of the aluminum alloy hub is reduced and optimized on the premise of not affecting the mechanical property due to the cost pressure.

Disclosure of Invention

In view of this, the present utility model provides an aluminum alloy hub with stepped grooves.

The technical scheme of the utility model is as follows:

the utility model provides an aluminum alloy wheel hub with step groove, includes the rim, both ends integration is connected with interior rim and outer rim about the rim, outer rim center is provided with the rim plate, the integration is connected with the spoke between rim plate and the outer rim, its characterized in that, be equipped with the inflating valve hole on the outer rim, the inflating valve hole is equipped with the step groove in the one side of keeping away from the spoke.

According to the tire pressure monitoring device, the step groove is specially formed near the inflating valve hole, and through the arrangement of the step groove, the tire pressure monitoring module can be mostly or completely contained in the area between the step groove and the tire, so that the tire pressure monitoring device does not occupy the space of other positions, and the service lives of the hub and the tire and the driving safety are prolonged while the tire pressure monitoring is met.

Further, the groove depth of the step groove is 1/5-1/3 of the thickness of the rim, and most tire pressure monitoring modules are adapted.

Furthermore, the horizontal section of the step groove is isosceles trapezoid, so that the universality can be improved.

Further, one side of the spoke is provided with a reinforcing rib, so that the strength of the spoke after the back is hollowed out can be reinforced to a certain extent, and the mechanical property of the spoke can be effectively improved.

Furthermore, PCD holes are symmetrically formed in the wheel disc.

Further, the wheel disc is symmetrically provided with first digging grooves at one side far away from the outer rim.

Further, the first material digging groove is arranged in a staggered mode with the PCD holes, and therefore the strength and mechanical properties of the wheel disc can be guaranteed.

Further, the first draw-out groove comprises a main groove, and the two ends of the main groove are respectively provided with a first auxiliary groove and a second auxiliary groove, so that the weight of the hub can be further reduced.

Further, the depth of the main groove is 1.5-2.5 times of that of the first auxiliary groove; the depth of the main groove is 1.5-2.5 times of that of the second auxiliary groove.

Further, the back of spoke is equipped with the second and draws the silo, can promote the holistic lightweight level of wheel hub.

According to the utility model, the first material drawing groove and the second material drawing groove are arranged, so that the overall light weight level of the hub can be improved, meanwhile, the first material drawing groove and the PCD holes are arranged in a staggered manner, and the reinforcing ribs are arranged on one side of the spoke, so that the balance of weight reduction and mechanical property improvement can be ensured.

The utility model is provided with the step groove near the inflating valve hole, so that the tire pressure monitoring module can be mostly or completely contained in the area between the step groove and the tire, does not occupy the space of other positions, and improves the service life of the hub and the tire and the driving safety while meeting the tire pressure monitoring. Meanwhile, on the premise of meeting the basic requirement of the vehicle on the performance of the hub, the material consumption for manufacturing the hub is minimized, and the requirement of hub weight reduction can be met.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

fig. 3 is a schematic view of a partial structure of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides an aluminum alloy wheel hub with step groove, includes rim 1, both ends integration is connected with interior round 2 and outer round 3 about the rim, outer round center is provided with rim plate 4, the integration is connected with spoke 5 between rim plate and the outer round, its characterized in that, be equipped with inflating valve hole 6 on the outer round, inflating valve hole is equipped with step groove 7 in the one side of keeping away from the spoke.

Further, the groove depth of the step groove is 1/4 of the thickness of the rim, and most tire pressure monitoring modules are adapted.

Further, one side of the spoke is provided with a reinforcing rib 8, so that the strength of the spoke after the back is hollowed out can be reinforced to a certain extent, and the mechanical property of the spoke can be effectively improved.

Further, PCD holes 41 are symmetrically arranged on the wheel disc.

Further, the wheel disc is symmetrically provided with a first digging groove 42 at one side far away from the outer rim.

Further, the first material drawing groove includes a main groove 421, and two ends of the main groove are respectively provided with a first auxiliary groove 422 and a second auxiliary groove 423, which can further reduce the weight of the hub.

Further, the depth of the main groove is 2 times that of the first auxiliary groove; the depth of the main groove is 2 times of that of the second auxiliary groove.

Further, the second material drawing groove 51 is arranged on the back surface of the spoke, so that the overall weight reduction level of the hub can be improved.

Example 2

This example provides an aluminum alloy hub identical to example 1, except,

further, the groove depth of the step groove is 1/5 of the thickness of the rim, and most tire pressure monitoring modules are adapted.

Further, the depth of the main groove is 1.5 times that of the first auxiliary groove; the depth of the main groove is 1.5 times of that of the second auxiliary groove.

Example 3

This example provides an aluminum alloy hub identical to example 1, except,

further, the groove depth of the step groove is 1/3 of the thickness of the rim, and most tire pressure monitoring modules are adapted.

Further, the depth of the main groove is 2.5 times that of the first auxiliary groove; the depth of the main groove is 2.5 times of that of the second auxiliary groove.

Example 4

This example provides an aluminum alloy hub identical to example 1, except,

further, the groove depth of the step groove is 2/5 of the thickness of the rim, and most tire pressure monitoring modules are adapted.

Further, the depth of the main groove is 1.8 times that of the first auxiliary groove; the depth of the main groove is 1.8 times of that of the second auxiliary groove.

Performance testing

The hubs of examples 1-3 were tested for mechanical properties, including 13 ° impact experiments: the method mainly comprises the steps of striking a contact part of a rim and a tire by a heavy hammer at an included angle of 13 degrees to simulate the striking impact of a vehicle in the running process, such as stones or road teeth, and setting a test load 2250LBS; bending fatigue test: the bending fatigue test simulates the stress of the hub when the vehicle is in tail flick and the like, the whole wheel is subjected to a rotary bending acting force, mainly the firmness of the joint of the rim and the spoke is seen, the impact load 793KG is set, and the bending stress 5646 N.M is set. The results show that the hubs of the examples 1-3 can meet the requirements of 13-degree impact experiments and bending fatigue experiments, and the test is qualified.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art. It should be noted that technical features not described in detail in the present utility model may be implemented by any prior art.

Claims

1. The utility model provides an aluminum alloy wheel hub with step groove, includes the rim, both ends integration is connected with interior rim and outer rim about the rim, outer rim center is provided with the rim plate, the integration is connected with the spoke between rim plate and the outer rim, its characterized in that, be equipped with the inflating valve hole on the outer rim, the inflating valve hole is equipped with the step groove in the one side of keeping away from the spoke.

2. An aluminium alloy hub with stepped grooves according to claim 1, wherein the groove depth of the stepped grooves is 1/5-1/3 of the rim thickness.

3. The aluminum alloy hub with stepped grooves according to claim 2, wherein the stepped grooves have a horizontal cross section of an isosceles trapezoid.

4. The aluminum alloy hub with stepped grooves according to claim 1, wherein one side of the spoke is provided with a reinforcing rib.

5. The aluminum alloy hub with stepped slots of claim 1, wherein said disks are symmetrically provided with PCD holes.

6. The aluminum alloy hub with stepped grooves according to claim 5, wherein the wheel disc is symmetrically provided with first undercut grooves at one side far from the outer rim.

7. The aluminum alloy hub with stepped slots of claim 6 wherein said first undercut groove is staggered with respect to the PCD holes.

8. The aluminum alloy hub with the stepped groove according to claim 6, wherein the first undercut groove comprises a main groove, and two ends of the main groove are respectively provided with a first auxiliary groove and a second auxiliary groove.

9. The aluminum alloy hub with stepped grooves of claim 8, wherein the depth of said primary grooves is 1.5-2.5 times the depth of the first secondary grooves; the depth of the main groove is 1.5-2.5 times of that of the second auxiliary groove.

10. The aluminum alloy hub with stepped grooves according to claim 4, wherein the back surface of the spoke is provided with a second undercut groove.