阅读说明：本技术 一种对开式轮辋 (Split rim ) 是由 席文进 张堃 黄茂 缪菊平 于 2018-08-20 设计创作，主要内容包括：本发明涉及一种对开式轮辋,所述轮辋包括内轮辋和外轮辋,所述内轮辋和所述外轮辋对开式连接,所述内轮辋的平底外周面上开设有浅槽,用于装配泄气可行驶装置的支撑体,所述浅槽自所述内轮辋平底外周面的一端开始沿所述内轮辋的轴线方向延伸；或者,所述浅槽为在所述内轮辋平底外周面中间部分沿所述内轮辋的轴线方向延伸的槽。本发明提供的对开式轮辋,因轮辋能够方便地装配泄气可行驶装置,能够在轮胎受损泄气时依然具有行驶功能,且装卸方便。(The invention relates to a split rim, which comprises an inner rim and an outer rim, wherein the inner rim and the outer rim are connected in a split manner, a shallow groove is formed in the outer flat-bottom peripheral surface of the inner rim and used for assembling a support body of an air-leakage travelable device, and the shallow groove extends from one end of the outer flat-bottom peripheral surface of the inner rim along the axial direction of the inner rim; alternatively, the shallow groove is a groove extending in the axial direction of the inner rim at the middle portion of the outer peripheral surface of the flat bottom of the inner rim. The split rim provided by the invention can be conveniently assembled with the run-flat running device, still has a running function when the tire is damaged and deflated, and is convenient to assemble and disassemble.)

1. The split type rim comprises an inner rim and an outer rim, wherein the inner rim and the outer rim are connected in a split manner, and is characterized in that a shallow groove is formed in the outer peripheral surface of a flat bottom of the inner rim, and the shallow groove extends from one end of the outer peripheral surface of the flat bottom of the inner rim along the axial direction of the inner rim; alternatively, the shallow groove is a groove extending in the axial direction of the inner rim at the middle portion of the outer peripheral surface of the flat bottom of the inner rim.

2. The split rim according to claim 1, wherein the shallow grooves have a depth of 3-5mm, preferably 3 ± 0.5 mm.

3. The split rim according to claim 1 or 2, wherein the length of the shallow groove in the axial direction of the rim is a part of the length of the flat-bottomed outer circumferential surface of the inner rim, and the shallow groove extends from an end of the inner rim connected to the outer rim.

4. The split rim as defined in claim 3, wherein the shallow groove is opened along a circumferential full circle of the outer peripheral surface of the inner rim; or the shallow grooves are a group of shallow grooves arranged at intervals in the circumferential direction of the outer peripheral surface of the inner rim.

5. The split rim according to any one of claims 1, 2 or 4, wherein the inner rim body and the outer rim body at the joint form a U-shaped groove facing the inner rim body side in the axial direction.

6. The split rim according to claim 1, 2 or 4, wherein the inner rim comprises an inner rim body and a spoke plate, the inner rim body is fixedly connected with the spoke plate, and the flat-bottom outer peripheral surface is arranged on the inner rim body; the outer rim comprises an outer rim body and a pressure plate, and the outer rim body is fixedly connected with the pressure plate; the spoke plate is connected with the pressure plate through bolts; the inner wheel rim and the outer wheel rim are made of steel.

7. The split rim according to claim 6, wherein the inner rim body and the web are provided with air passages communicating with each other.

8. The split rim as defined in claim 7, wherein said web has a raised internally threaded post attached thereto, said internally threaded post having a passageway therethrough communicating with said air passageway of said web and adapted for connection to a valve; and a hole for passing through the raised internal thread column is formed in the pressure plate.

9. The split rim according to claim 6, wherein the inner rim body is welded to the web and the outer rim body is welded to the pressure plate; the outer edge of the inner rim body of the inner rim is inwards sunken to form a sealing groove, and the sealing groove and the inner concave angle of the outer rim body of the outer rim together form a sealing space for accommodating an O-shaped sealing ring.

10. The split rim according to claim 1, wherein the inner rim body is provided with an air passage, and the outer rim body is provided with an avoidance hole at a position corresponding to the air passage.

Technical Field

The invention relates to the technical field of automobile rims, in particular to a split type rim.

Background

The wheel assembly is a walking part of the vehicle, and the bearing and movement functions of the vehicle are realized through the force and the moment transmitted by the wheel assembly. The wheel assembly comprises a rim and a tire, wherein the rim has important influence on the driving performance of the automobile, and the reliability of the automobile rim has the most direct influence on the driving safety of the automobile rim.

For military vehicles and other specialty vehicles, it is desirable to have a ride function when the tire is damaged and deflated, which requires the rim to be easily fitted with run-flat devices. At present, a steel rim safety wheel which can be assembled with a support body of an air-leakage traveling device is widely applied to special vehicles, but the safety wheel is heavy in weight and complex in assembly process, and can be maintained and replaced only by special press-fitting equipment, and the maintenance guarantee performance of most military vehicles in service is greatly limited. On the one hand, the integral structure of the rim causes inconvenience in disassembly and the like, and in addition, the design of a local structure also causes inconvenience in inflation and deflation maintenance of the tire as the arrangement of an upper air passage of the rim.

In addition, at present, the tire gradually shows the development trend of tubeless tire, and the rim is required to have good sealing performance.

Along with the further enhancement of the requirements of light weight of the rim and the cost performance of the whole automobile, the aluminum alloy rim is increasingly widely applied, and the aluminum alloy rim has the greatest advantages of small mass, oil saving and consumption saving. However, the large-size aluminum alloy rim needs a forging process, the process is complex, and the material cost and the processing cost are high. In contrast, steel rims are heavy but less expensive.

Therefore, it is a primary object of the present application to design a rim that facilitates easy installation and removal of the run-flat device. In addition, the application still further provides the rim with a good air passage structure design for facilitating inflation and deflation; further, the present application also contemplates a well-sealed rim structure.

Disclosure of Invention

The present invention is directed to a split rim to provide a rim that facilitates the installation and removal of run-flat devices. In addition, the application still further provides the rim with a good air passage structure design for facilitating inflation and deflation; further, the present application also contemplates a well-sealed rim structure.

The invention discloses a split rim, which comprises an inner rim and an outer rim, wherein the inner rim and the outer rim are connected in a split manner, a shallow groove is formed in the outer flat-bottom peripheral surface of the inner rim and used for assembling a support body of an air leakage travelable device, and the shallow groove extends from one end of the outer flat-bottom peripheral surface of the inner rim along the axial direction of the inner rim; alternatively, the shallow groove is a groove extending in the axial direction of the inner rim at the middle portion of the outer peripheral surface of the flat bottom of the inner rim.

Furthermore, the depth of the shallow grooves is 3-5 mm. Preferably, the depth of the shallow grooves is 3 ± 0.5 mm.

In the split rim, the length of the shallow groove in the axial direction of the rim is a part of the length of the flat bottom outer peripheral surface of the inner rim, and the shallow groove preferably extends from one end of the inner rim connected to the outer rim.

In the split rim, the shallow grooves are formed along the circumferential direction of the outer circumferential surface of the inner rim in a whole circle; or the shallow grooves are a group of shallow grooves arranged at intervals in the circumferential direction of the outer peripheral surface of the inner rim.

According to the split rim, the inner rim body and the outer rim body form a U-shaped groove facing one side of the inner rim body along the axial direction at the joint, so that an installation and positioning space of the inner support body is provided for the run-flat safe wheel assembly.

According to the split rim, the inner rim mainly comprises an inner rim body and a spoke plate, the inner rim body is fixedly connected with the spoke plate, and the outer peripheral surface of the flat bottom is arranged on the inner rim body; the outer rim comprises an outer rim body and a pressure plate, and the outer rim body is fixedly connected with the pressure plate; the spoke plate is connected with the pressure plate through bolts; the inner rim and outer rim are preferably made of steel.

Further, in the split rim, the inner rim body and the web are provided with communicated air passages, and the air passages of the inner rim body and the web are communicated to form a built-in air passage.

Foretell to open rim, be connected with the internal thread post on the radials, it has the intercommunication to open on this internal thread post the passageway of the air flue of radials, and this internal thread post is used for connecting the inflating valve. And a hole for passing through the raised internal thread column is formed in the pressure plate.

In the split rim, the inner rim body is welded with the spoke plate, and the outer rim body is welded with the pressure plate; the outer edge of the inner rim body of the inner rim is inwards sunken to form a sealing groove, and the sealing groove and the inner concave angle of the outer rim body of the outer rim together form a sealing space for accommodating an O-shaped sealing ring.

The utility model provides a to open rim, interior rim body is equipped with the air flue, outer rim body is corresponding air flue position department is equipped with dodges the hole.

The split rim is compact in structure, is a shallow-groove flat-bottom split rim convenient to install, and is used for installing an air-leakage driving device; the structure of the built-in air passage of the spoke plate and the inner rim body is compact, and the sealing design without an inner tube is adopted, so that the structure is compact, and the central inflation and deflation system of military and special vehicles is convenient to use; the rim of the invention has thinner wall thickness and built-in air passages, solves the problem of mounting the inner support, cancels the traditional inflating valve by the structure of the built-in air passages, and has compact structure and convenient assembly of the whole vehicle; the rim material can be high-strength steel for wheels, and the material cost and the processing cost are lower than those of an aluminum alloy rim.

Drawings

FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention;

FIG. 2 is a schematic front view of a rim according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

figure 4 is an enlarged partial structural schematic view of the joint of the inner rim body and the outer rim body in figure 3;

the reference numbers illustrate:

1 an inner rim; 1a inner rim body; 1b a web; 1c an internal threaded post; 1d, shallow slot; 2 clamping the bolt; a 3O-shaped sealing ring; 4, an outer rim; 4a outer rim body; 4b, pressing a plate; 5 a spherical washer; 6, a nut; 7U type groove.

Detailed Description

To facilitate understanding and implementing the invention by those of ordinary skill in the art, embodiments of the invention are now described with reference to the drawings.

Firstly, in order to conveniently install the run-flat device, the rim is designed to be in a split connection structure formed by the inner rim and the outer rim, and the inner rim and the outer rim are designed to be in a detachable connection structure in a bolt connection mode. Specifically, the inner rim and the outer rim are fastened and combined through bolts and nuts, and a spherical gasket can be added between the nuts and the outer rim.

The outer peripheral surface of the flat bottom of the inner wheel rim is provided with a shallow groove matched with the inner support body of the air-leakage driving device. When the inner support body is installed, the rim junction surface at the inner circle of the inner support body is matched with the shallow groove.

The shallow groove is suitable for being matched and installed with an inner support body of the run-flat running device, and preferably, the shallow groove is formed along the circumferential whole circle of the outer peripheral surface of the inner rim; or the shallow grooves are a group of shallow grooves arranged at intervals in the circumferential direction of the outer peripheral surface of the inner rim.

Furthermore, the depth of the shallow groove is preferably such that it can be tightly fitted with the inner support of the travelable device, preferably 3-5 mm. More preferably, the depth of the shallow grooves is 3 ± 0.5 mm.

The shallow groove can be a section arranged on the outer peripheral surface of the flat bottom of the shallow groove inner rim, the length of the shallow groove is a section in the middle of the flat bottom or a section from one end, and preferably, the shallow groove extends from one end of the outer peripheral surface of the flat bottom of the inner rim along the axial direction of the inner rim. More preferably, the shallow groove extends from an end of the inner rim connected to the outer rim.

Furthermore, an installation positioning space of the inner support body is provided for the run-flat safe wheel assembly, and a U-shaped groove facing one side of the inner rim body along the axial direction can be formed at the joint of the inner rim body and the outer rim body. When the inner support body is installed, the rim junction surface at the inner circle of the inner support body is matched with the shallow groove, so that the axial movement of the inner support body is limited, and the fixing and positioning effects are achieved.

Specifically, the inner rim mainly comprises an inner rim body and a spoke plate, wherein the inner rim body is fixedly connected with the spoke plate, preferably in a welded connection mode. The inner rim body is connected with the outer rim at one end, the other end forms a convex structure similar to the outer rim, and a flat bottom is formed in the middle of the two ends. Therefore, the inner rim body is provided with the flat-bottom outer peripheral surface in the middle part.

The outer rim mainly comprises an outer rim body and a pressure plate, wherein the outer rim body is fixedly connected with the pressure plate, preferably in welded connection. The spoke plate is connected with the pressure plate through bolts so as to connect the inner rim with the outer rim. The inner rim and the outer rim can be made of aluminum alloy or steel, and are preferably made of steel.

The outer rim body is provided with a center shaft, the inner rim body is provided with a flat bottom shallow groove, the outer rim body is provided with a U-shaped groove, the outer rim body is provided with a groove, the groove is provided with a groove opening facing to the inner rim body, the groove opening is provided with a groove opening facing to the outer rim body, and the groove opening is provided with a groove opening facing to the inner rim body.

In order to ensure the integral tightness, the rim structure is provided with a built-in air passage, the inner rim body is provided with the air passage, and the outer rim body is provided with a hole, so that the air passage is conveniently connected with an air valve.

Specifically, the split rim may have a communicating air passage on the inner rim body and the web plate, and the corresponding position of the pressure plate has a hole, so that the air passage of the inner rim body and the air passage of the web plate are communicated to form a built-in air passage, and the split rim can be directly connected with the inflating valve. The invention has the advantages that the structure of the built-in air passage of the spoke plate and the inner rim body and the sealing design without the inner tube ensure that the integral structure is compact, and the invention is particularly convenient for the central inflation and deflation system of military and special vehicles.

Further, in order to facilitate connection with the inflating valve, a raised internal thread column may be connected to the web, and a channel communicating with an air passage of the web may be formed in the internal thread column, and the internal thread column may be used to connect the inflating valve. And the pressure plate is provided with an avoidance hole, so that the installation of the internal thread column and the connection of the inflating valve are facilitated. When the inflating valve is replaced, the tire does not need to be disassembled like the prior art, and the inflating valve only needs to be disassembled at the end of the raised internal thread column.

Further, in order to ensure the connection sealing performance of the inner rim and the outer rim, a sealing groove can be formed by inwards recessing the outer edge of the inner rim, and the sealing groove and the inner concave angle of the outer rim body of the outer rim form a sealing space for accommodating an O-shaped sealing ring.

The split rim is compact in structure, is a shallow-groove flat-bottom split rim convenient to install, and is used for installing an air-leakage driving device; the structure of the built-in air passage of the spoke plate and the inner rim body is compact, and the sealing design without an inner tube is adopted, so that the structure is compact, and the central inflation and deflation system of military and special vehicles is convenient to use; the rim provided by the invention has the advantages that the wall thickness is thinner, the built-in air passage is additionally arranged, the problem of mounting the inner support is solved, the traditional inflating valve is omitted due to the built-in air passage structure, the structure is compact, and the whole vehicle assembly is convenient; the rim material can be high-strength steel for wheels, and the material cost and the processing cost are lower than those of an aluminum alloy rim.