Quickly disassembled and assembled air leakage drivable wheel assembly

Abstract

The invention relates to a quick disassembly and assembly air leakage drivable wheel assembly, which comprises a tire, an inner support body and a wheel, the inner support body is centrally sleeved on the outer diameter of a rim of the wheel, tire beads of the tire are arranged on two sides of the inner support body, the inner support body is axially limited, the wheel is provided with an inflating valve, and the inflating valve is connected with an inflating valve extension rod; the inner surface of the inner supporting body is provided with a plurality of annular oil grooves used for storing lubricating grease and an air channel used for avoiding an inflating valve. The inner surface of the inner supporting body and the outer diameter of the rim rotate through lubricating grease, the speed difference caused by inconsistency of the outer perimeter of the tire and the outer perimeter of the inner supporting body is counteracted, the service life of the inner supporting body is prolonged, and the air leakage driving capacity is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of automobiles, and particularly relates to a quickly disassembled and assembled run-flat wheel assembly. Background Art

[0002] With the development of society, automobiles have gradually become necessities of life, and people have higher and higher requirements for vehicle safety. The run-flat wheel assembly can enable the vehicle to have a certain run-flat ability, can self-rescue from danger, ensure that the vehicle and personnel can be evacuated from the dangerous area in time, avoid vehicle out of control caused by a flat tire during high-speed driving of the vehicle, and cause danger and accidents, and can improve the safety of the vehicle. Existing safety tires have a certain run-flat ability, but in terms of assembly, disassembly and assembly are relatively difficult and the maintainability is poor. Non-professionals cannot complete the disassembly and assembly tooling without professional tooling, which brings a lot of inconvenience to users and is not widely used. Summary of the Invention

[0003] The purpose of the present invention is to provide a quickly disassembled and assembled run-flat wheel assembly in view of the deficiencies of the prior art.

[0004] The present invention is implemented by adopting the following technical solutions:

[0005] A quickly disassembled and assembled run-flat wheel assembly includes a tire, an inner support body and a wheel. The inner support body is centrally sleeved on the outer diameter of the rim of the wheel. The bead of the tire is arranged on both sides of the inner support body to axially limit the inner support body. The wheel is provided with a valve stem, and the valve stem is connected to a valve stem extension rod. A plurality of annular oil grooves for storing grease and an air passage for avoiding the valve stem are arranged on the inner surface of the inner support body.

[0006] Preferably, the wheel includes a rim and a wheel spoke. The rim is a split rim. The wheel spoke includes an inner wheel spoke and an outer wheel spoke. The rim includes an inner rim body and an outer rim body. The inner rim body and the inner wheel spoke are integrally designed to form an inner wheel body. The outer rim body and the outer wheel spoke are integrally designed to form an outer wheel body. The inner wheel spoke is provided with a mounting hole and a connecting hole. The mounting hole is connected to an axle. The outer wheel spoke is provided with a through hole corresponding to the connecting hole. A connecting bolt passes through the connecting hole and the through hole to connect the outer wheel body and the inner wheel body, and is fastened by a nut.

[0007] Preferably, an installation groove is arranged on the outer surface of the inner wheel spoke, and a sealing ring is arranged in the installation groove. The inner wheel spoke is attached to the outer wheel spoke to squeeze the sealing ring to seal the inner wheel body and the outer wheel body.

[0008] Preferably, the connecting bolt is a non-full-thread bolt, a knurling is provided on the non-threaded area of the connecting bolt, the connecting bolt passes through the connecting hole and the through hole, the threaded area of the connecting bolt is connected to the nut, and the non-threaded area of the connecting bolt is located within the connecting hole.

[0009] Preferably, the inner rim body is provided with the valve mounting hole, one end of the valve is connected to the inner rim body through the valve mounting hole, and the other end of the valve is connected with the valve extension rod.

[0010] Preferably, the inner support body includes three groups of support body main bodies, inserts are embedded in the lower parts of one ends of the support body main bodies, mounting grooves are provided in the upper parts of the other ends of the support body main bodies, and the three groups of support body main bodies are combined into a ring through the cooperation of the inserts and the mounting grooves, and are fastened and limited by fixing bolts and limit bolts.

[0011] Preferably, fixing bolt holes and limit bolt holes are provided at the bottom of the mounting groove, a wedge is provided in the mounting groove, fixing holes and limit holes corresponding to the fixing bolt holes and the limit bolt holes are provided on the insert, the threaded area of the fixing bolt passes through the wedge and the fixing bolt hole to be connected with the fixing hole, and the nut of the fixing bolt is positioned by a U-shaped positioning block; the threaded area of the limit bolt passes through the U-shaped positioning block and the limit bolt hole to be connected with the limit hole, and a split pin for limiting is provided on the nut of the limit bolt.

[0012] Preferably, the support body main body is made of modified nylon.

[0013] Preferably, the width of the annular oil groove is 2 mm to 8 mm.

[0014] Preferably, the tire is a tubeless radial tire.

[0015] Compared with the prior art, the present invention has the following beneficial technical effects:

[0016] The structure of the quick-disassembly and deflatable drivable wheel assembly of the present invention is compact, the assembly is convenient, the tire and the inner support body are assembled on the wheel, there is no protrusion on the inner surface of the wheel and the inner support body, the rim is split type, the disassembly and assembly are convenient without special tools, and the maintenance and assembly are simple; during the actual use process, the tire is a consumable part and needs to be maintained and replaced irregularly. The inner support body is a safety device used only in emergency situations and is not easily damaged under non-emergency situations. Moreover, the inner support body is convenient for disassembly and assembly, which is convenient for replacing the tire.

[0017] The inner support structure has high reliability and a long deflated driving range. The outer circumference of the tire is inconsistent with the outer circumference of the inner support. During the rolling of the wheel after deflation, the inner surface of the inner support and the outer diameter of the rim rotate relying on grease, offsetting the speed difference caused by the inconsistency between the outer circumference of the tire and the outer circumference of the inner support, improving the service life of the inner support and enhancing the deflated driving ability. After any tire of the vehicle deflates, it can travel 100 kilometers at an average speed of not less than 30 km / h. Brief Description of the Drawings

[0018] Figure 1 It is a schematic cross-sectional structure diagram of the present invention;

[0019] Figure 2 is Figure 1 the cross-sectional view at B-B in

[0020] Figure 3 It is the front view of the inner support of the present invention;

[0021] Figure 4 is Figure 3 the cross-sectional view at A-A in

[0022] Figure 5 It is the exploded structure diagram of the inner support of the present invention;

[0023] Figure 6 is Figure 1 the cross-sectional view at C-C in

[0024] Figure 7 It is the cross-sectional view of the wheel assembly when driving with deflated tires of the present invention.

[0025] Reference Signs in the Drawings:

[0026] 1. Tire; 2. Inner support; 21. Support body main body; 22. Fixed bolt; 23. Wedge; 24. Limit bolt; 25. Split pin; 26. U-shaped positioning block; 27. Insert block; 211. Annular oil groove; 212. Air passage; 3. Wheel; 31. Inner wheel body; 311. Inner rim body; 312. Outer rim body; 32. Outer wheel body; 321. Inner wheel spoke; 322. Outer wheel spoke; 33. Sealing ring; 34. Nut; 35. Connecting bolt; 4. Valve; 5. Valve extension rod. Detailed Description of the Invention

[0027] To enable those skilled in the art to better understand the technical solutions in the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] As Figures 1 - 7 shown, a quickly disassembled and assembled air-deflated drivable wheel assembly includes a tire 1, an inner support body 2 and a wheel 3. The inner support body 2 is centered and sleeved on the outer diameter of the rim of the wheel 3. The bead of the tire 1 is arranged on both sides of the inner support body 2 to axially limit the inner support body 2. The wheel 3 is provided with a valve 4, and the valve 4 is connected to a valve extension rod 5; the inner surface of the inner support body 2 is provided with a plurality of annular oil grooves 211 for storing grease and an air passage 212 for avoiding the valve.

[0029] The outer circumference of the tire 1 is inconsistent with the outer circumference of the inner support body 2. During the rolling process of the wheel 3 after deflation, the inner surface of the inner support body 2 and the outer diameter of the rim form rotation by relying on the grease in the annular oil groove 211, offsetting the speed difference caused by the inconsistency between the outer circumference of the tire 1 and the outer circumference of the inner support body 2, improving the service life of the inner support body 2 and enhancing the air-deflated drivable ability.

[0030] The wheel 3 includes a rim and a wheel spoke. The rim is a split rim. The wheel spoke includes an inner wheel spoke 321 and an outer wheel spoke 322. The rim includes an inner rim body 311 and an outer rim body 312. The inner rim body 311 and the inner wheel spoke 321 are integrally designed to form an inner wheel body 31, and the outer rim body 312 and the outer wheel spoke 322 are integrally designed to form an outer wheel body 32; the inner wheel spoke 321 is provided with a mounting hole and a connection hole. The mounting hole is connected to an axle. The outer wheel spoke 322 is provided with a through hole corresponding to the connection hole. A connecting bolt 35 passes through the connection hole and the through hole to connect the outer wheel body 32 and the inner wheel body 31, and is fastened by a nut 34.

[0031] The outer surface of the inner wheel spoke 321 is provided with a mounting groove, and a sealing ring 33 is arranged in the mounting groove. The inner wheel spoke 321 is attached to the outer wheel spoke 322 to squeeze the sealing ring 33 to seal the inner wheel body 31 and the outer wheel body 32.

[0032] The connecting bolt 35 is a non-full-thread bolt. The non-threaded area of the connecting bolt 35 is provided with knurling. The connecting bolt 35 passes through the connection hole and the through hole. The threaded area of the connecting bolt 35 is connected to the nut 34, and the non-threaded area of the connecting bolt 35 is located in the connection hole.

[0033] The non-threaded area of the connecting bolt 35 is provided with knurling and is located in the connection hole, so that the connecting bolt 35 cannot rotate in the connection hole, facilitating assembly.

[0034] The inner rim body 311 is provided with a valve hole. One end of the valve 4 is connected to the inner rim body 311 through the valve hole, and the other end of the valve 4 is connected with a valve extension rod 5.

[0035] The valve extension rod 5 is installed on the valve 4 to lead the inflation port out of the plane of the outer wheel spoke 322, which is convenient for inflation operation.

[0036] The inner support body 2 includes three groups of support body main bodies 21. At the lower part of one end of each support body main body 21, an insert block 27 is inlaid. At the upper part of the other end of each support body main body 21, an installation groove is provided. The three groups of support body main bodies 21 are combined into a ring through the cooperation of the insert block 27 and the installation groove, and are fastened and limited by fixing bolts 22 and limit bolts 24.

[0037] The bottom of the installation groove is provided with a fixing bolt hole and a limit bolt hole. An inclined wedge 23 is arranged in the installation groove. The insert block 27 is provided with a fixing hole and a limit hole corresponding to the fixing bolt hole and the limit bolt hole. The threaded area of the fixing bolt 22 passes through the inclined wedge 23 and the fixing bolt hole and is connected with the fixing hole. The nut of the fixing bolt 22 is positioned by a U-shaped positioning block 26; the threaded area of the limit bolt 24 passes through the U-shaped positioning block 26 and the limit bolt hole and is connected with the limit hole. The nut of the limit bolt 24 is provided with an opening pin 25 for limiting.

[0038] The support body main body 21 is made of modified nylon.

[0039] The width of the annular oil groove 211 is 2 mm to 8 mm. Grease is evenly smeared on the inner surface of the inner support body 2. The grease fills the entire inner ring surface, and the grease should evenly fill the entire annular oil groove 211.

[0040] The tire 1 is a tubeless radial tire.

[0041] Although the present invention has been described in detail by referring to the accompanying drawings and in combination with the preferred embodiments, the present invention is not limited thereto. Without departing from the spirit and essence of the present invention, those of ordinary skill in the art can make various equivalent modifications or substitutions to the embodiments of the present invention, and these modifications or substitutions should all be within the scope of the present invention. / Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims

1. A quick-disassembly and quick-assembly air-leakage-tolerant drivable wheel assembly, characterized in that, It includes a tire (1), an inner support (2) and a wheel (3). The inner support (2) is centered and sleeved on the outer diameter of the rim of the wheel (3). The bead of the tire (1) is arranged on both sides of the inner support (2) to axially limit the inner support (2). The wheel (3) is provided with a valve stem (4), and the valve stem (4) is connected to a valve stem extension rod (5). The inner surface of the inner support (2) is provided with a number of annular oil grooves (211) for storing grease and an air passage (212) for avoiding the valve stem.

2. The quick-disassembly and quick-assembly air-leakage-tolerant drivable wheel assembly according to claim 1, wherein The wheel (3) includes a rim and spokes. The rim is a split rim. The spokes include an inner spoke (321) and an outer spoke (322). The rim includes an inner rim body (311) and an outer rim body (312). The inner rim body (311) and the inner spoke (321) are integrally designed to form an inner wheel body (31), and the outer rim body (312) and the outer spoke (322) are integrally designed to form an outer wheel body (32). The inner spoke (321) is provided with a mounting hole and a connecting hole. The mounting hole is connected to an axle. The outer spoke (322) is provided with a through hole corresponding to the connecting hole. A connecting bolt (35) passes through the connecting hole and the through hole to connect the outer wheel body (32) and the inner wheel body (31), and is fastened by a nut (34).

3. The quick-disassembly and quick-assembly air-leakage-tolerant drivable wheel assembly according to claim 2, wherein, The outer surface of the inner spoke (321) is provided with a mounting groove, and a sealing ring (33) is arranged in the mounting groove. The inner spoke (321) fits with the outer spoke (322) to squeeze the sealing ring (33) to seal the inner wheel body (31) and the outer wheel body (32).

4. The quick-disassembly and deflatable drivable wheel assembly according to claim 3, characterized in that, The connecting bolt (35) is a non-full-thread bolt. The non-threaded area of the connecting bolt (35) is provided with knurling. The connecting bolt (35) passes through the connecting hole and the through hole. The threaded area of the connecting bolt (35) is connected to the nut (34), and the non-threaded area of the connecting bolt (35) is located in the connecting hole.

5. The quick-disassembly and deflatable drivable wheel assembly according to claim 3, characterized in that, The inner rim body (311) is provided with the valve stem mounting hole. One end of the valve stem (4) is connected to the inner rim body (311) through the valve stem mounting hole, and the other end of the valve stem (4) is connected with the valve stem extension rod (5).

6. The quick-disassembly and deflatable drivable wheel assembly according to claim 5, characterized in that, The inner support (2) includes three groups of support body main bodies (21). At the lower part of one end of each support body main body (21), an insert block (27) is inlaid. At the upper part of the other end of each support body main body (21), a mounting groove is provided. The three groups of support body main bodies (21) are combined into a ring through the cooperation of the insert block (27) and the mounting groove, and are fastened and limited by fixing bolts (22) and limit bolts (24).

7. The quickly detachable air-leakage drivable wheel assembly according to claim 6, wherein, The bottom of the installation groove is provided with a fixing bolt hole and a limiting bolt hole. An inclined wedge (23) is arranged in the installation groove. The insert block (27) is provided with a fixing hole and a limiting hole corresponding to the fixing bolt hole and the limiting bolt hole. The threaded area of the fixing bolt (22) passes through the inclined wedge (23) and the fixing bolt hole to be connected with the fixing hole. The nut of the fixing bolt (22) is positioned by a U-shaped positioning block (26); the threaded area of the limiting bolt (24) passes through the U-shaped positioning block (26) and the limiting bolt hole to be connected with the limiting hole, and an opening pin (25) for limiting is arranged on the nut of the limiting bolt (24).

8. The quick-disassembly and quick-assembly air-leakage-tolerant drivable wheel assembly according to claim 6, wherein The main body (21) of the support is made of modified nylon.

9. The quick-disassembly and deflatable drivable wheel assembly according to claim 1, wherein, The width of the annular oil groove (211) is 2 mm to 8 mm.

10. The quickly detachable and deflatable drivable wheel assembly according to claim 1, characterized in that, The tire (1) is a tubeless radial tire.

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