Explosion-proof tire with multi-layer composite structure

Abstract

The utility model belongs to the field of tires, and particularly relates to a run-flat tire with a multilayer composite structure, which comprises a rim, an inner tube clamping ring is arranged on the outer layer of the rim, a clamping gap is reserved between the rim and the inner tube clamping ring, a lock plunger frame is mounted in the middle of the inner tube clamping ring, and a lock plunger penetrates through the lock plunger frame; the rim is sleeved with a tire, and the tire comprises an outer tire body and an inner tire body. The lock plunger penetrating through the lock plunger frame sequentially drags and penetrates through the inner tire clamping ring, the inner tire and the outer tire, the inner tire and the outer tire are pressed and covered by the lock plunger to be tightly attached, and the tire supporting piece, the inner tire and the outer tire form a composite structure. And when the tread is damaged, the spring piece resets to enable the tire supporting piece to protrude out of the outer layer of the tire, the tread is temporarily replaced by the tire supporting piece, normal running of the tire is kept, and the potential safety hazard of tire burst prevention is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tire, concretely relates to a multilayer composite structure's run-flat tire. BACKGROUND

[0002] Tire is the round annular elastic rubber product that rolls on the ground and is equipped on various vehicles or machines. It is usually installed on the metal rim, can support the vehicle body, buffer the impact from outside, realize the contact with the road surface and guarantee the driving performance of the vehicle. Tire is often used under complex and harsh conditions, it bears various deformations, loads, forces and high and low temperatures during driving, compared with ordinary tire, run-flat tire can continue driving after losing air pressure, while ordinary tire will collapse rapidly and cannot continue to support the vehicle, the tire wall design of run-flat tire can shrink and flatten rapidly when impacted, form rigid support and provide better buffering effect.

[0003] The existing run-flat tire is reinforced tire body, when punctured or losing air pressure, it continues driving on the road surface through the residual tire wall as support structure, when the tire wall is damaged seriously, the run-flat tire also cannot guarantee the driving of the vehicle in a short time, it is difficult to avoid safety accidents caused by tire burst, and there are deficiencies. SUMMARY

[0004] (I) Utility model purpose

[0005] To solve the technical problems in the background art, the utility model provides a multilayer composite structure's run-flat tire, which has the characteristics of multilayer composite structure improving the run-flat performance and inner support mechanism temporarily replacing the tire tread to contact the road surface and maintaining the driving state.

[0006] (II) Technical scheme

[0007] To solve the above technical problems, the utility model provides a multilayer composite structure's run-flat tire, which comprises a rim, an inner tube clamp ring is arranged on the outer layer of the rim, a clamping gap is left between the rim and the inner tube clamp ring, a lock bolt frame is installed in the middle part of the inner tube clamp ring, and a lock bolt penetrates through the lock bolt frame;

[0008] The outer part of the rim is sleeved with a tire, the tire comprises an outer tube and an inner tube, the outer tube is sleeved on the outer periphery of the rim, the inner part of the outer tube is attached with a tire tread, and the middle section of the tire tread is embedded in the clamping gap between the rim and the inner tube clamp ring.

[0009] The inner support mechanism comprises a supporting table arranged on the inner tube clamp ring and the lock bolt frame, a convex column is formed on the upper part of the supporting table, a spring piece is formed on the top of the convex column, and a tire supporting piece attached to the inner wall of the inner tube is formed on the other end of the spring piece.

[0010] Preferably, the two ends of the outer tire are embedded into the clamping grooves of the rim.

[0011] Preferably, the lock bolt penetrating through the lock bolt holder is sequentially pulled through the inner tire clamping ring, the inner tire and the outer tire.

[0012] Preferably, the spring member and the tire supporting member are both elastic members, and are always in a compressed state.

[0013] Preferably, the tire supporting member is arranged at the left part, the middle part and the right part in the tire, and gaps are arranged between adjacent tire supporting members.

[0014] Preferably, the outer wall of the outer tire is formed with a protruding tread, and the outer tire comprises, from outside to inside, a wear-resistant layer, an impact-resistant layer and a buffer layer.

[0015] The above technical scheme of the utility model has the following beneficial technical effects: the lock bolt penetrating through the lock bolt holder is sequentially pulled through the inner tire clamping ring, the inner tire and the outer tire, the inner and outer tires are tightly attached under the pressure of the lock bolt, the tire supporting member and the inner and outer tires form a composite structure, in the driving process, since the spring member and the tire supporting member are both elastic members, and are always in a compressed state, the inner and outer tires are supported by the protruding rod, the stability of the tire is improved, when the tread is damaged, the spring member resets the protruding tire supporting member outside the outer layer of the tire, the tire supporting member temporarily replaces the tread, the normal driving of the tire is maintained, and the safety hazard of the run-flat tire is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 Fig. 1 is a structural schematic diagram of the utility model;

[0017] Fig. 2 Fig. 2 is a sectional structural schematic diagram of the utility model;

[0018] Fig. 3 Fig. 3 is a structural schematic diagram of the inner supporting mechanism of the utility model.

[0019] REFERENCE SIGNS

[0020] 11, rim; 12, inner tire clamping ring; 13, lock bolt holder; 14, lock bolt; 2, tire; 31, outer tire; 32, tread; 33, inner tire; 41, supporting table; 42, protruding column; 43, spring member; 44, tire supporting member. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and explicit, the utility model is further described in detail below in combination with specific implementation manners and with reference to the drawings. It should be understood that these descriptions are only exemplary, and are not intended to limit the scope of the utility model. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0022] As Figs. 1-3 shown, the utility model provides a kind of multilayer composite structure's explosion-proof tire, including rim 11, the outer layer of rim 11 is provided with inner tube clamp ring 12, and rim 11 and inner tube clamp ring 12 between leave and hold clamping gap, the middle part of inner tube clamp ring 12 is equipped with lock bolt frame 13, and lock bolt frame 13 is penetrated with lock bolt 14;

[0023] The outside of rim 11 is equipped with tire 2, and tire 2 includes outer tube 31 and inner tube 33, and outer tube 31 is sleeved on the outer periphery of rim 11, and the inside of outer tube 31 is attached with tread 32, and the middle segment of tread 32 is embedded in the clamping gap of rim 11 and inner tube clamp ring 12.

[0024] The inner support mechanism includes a support table 41 disposed on the inner tube clamp ring 12 and the lock bolt frame 13, a protruding column 42 is formed on the upper part of the support table 41, a spring member 43 is formed on the top of the protruding column 42, and the other end of the spring member 43 is formed with a tire supporting member 44 attached to the inner wall of the inner tube 33.

[0025] It should be noted that the two ends of the outer tube 31 are embedded in the clamping groove of the rim 11, which fixes the edges of the outer tube 31, limits and locks the end of the outer tube 31.

[0026] In this embodiment, the outer tube 31 and the inner tube 33 are provided, and the lock bolt 14 penetrating through the lock bolt frame 13 is sequentially pulled through the inner tube clamp ring 12, the inner tube 33 and the outer tube 31, and the inner and outer tubes are tightly attached under the pressure of the lock bolt 14, and the tire supporting member 44 and the inner tube 33 and the outer tube 31 form a composite structure. During driving, the spring member 43 and the tire supporting member 44 are both elastic members and are always in a compressed state, supporting the inner and outer tubes with the protruding rod 42 to improve the stability of the tire 2.

[0027] When the tread is damaged, the spring member 43 resets the protruding tire supporting member 44 outside the outer layer of the tire 2, temporarily replaces the tread with the tire supporting member 44, maintains normal driving of the tire 2, and reduces the safety hazard of the explosion-proof tire.

[0028] It can be understood that the tire supporting member 44 is arranged at the left, middle and right parts inside the tire 2, and a gap is left between adjacent tire supporting members 44 to provide a path for outwardly expanding and pushing the tire supporting member 44.

[0029] In one embodiment, the outer wall of the outer tube 31 is formed with a protruding tread 32, and the outer tube 31 includes a wear-resistant layer, an impact-resistant layer and a buffer layer from outside to inside.

[0030] The wear-resistant layer is made of high-wear-resistant rubber material, and the surface is provided with asymmetric anti-skid patterns to improve the height of the tire.

[0031] The impact-resistant layer is woven from aramid fiber and is tightly combined with the wear-resistant layer through adhesion.

[0032] The buffer layer is made of high-elastic rubber material and has a honeycomb cavity structure, and has shock buffering performance.

[0033] It should be understood that the above specific embodiments of the present application are only used for illustrative or explanatory purposes of the principles of the present application, and do not constitute a limitation on the present application. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present application shall be included in the protection scope of the present application. In addition, the appended claims of the present application are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A run-flat tire of a multilayer composite structure, characterized in that, The rim (11) is provided with an inner tube clamp ring (12) on the outer layer, and a clamping gap is left between the rim (11) and the inner tube clamp ring (12), and a lock bolt holder (13) is mounted on the middle part of the inner tube clamp ring (12), and a lock bolt (14) is penetrated through the lock bolt holder (13); The outer part of the rim (11) is sleeved with a tire (2), and the tire (2) comprises an outer tube (31) and an inner tube (33), the outer tube (31) is sleeved on the outer circumference of the rim (11), and the inner part of the outer tube (31) is attached with a tread (32), and the middle segment of the tread (32) is embedded in the clamping gap between the rim (11) and the inner tube clamp ring (12); The inner support mechanism comprises a support table (41) arranged on the inner tube clamp ring (12) and the lock bolt holder (13), the upper part of the support table (41) is formed with a convex column (42), the top of the convex column (42) is formed with a spring piece (43), and the other end of the spring piece (43) is formed with a tire supporting piece (44) attached to the inner wall of the inner tube (33).

2. A run-flat tire of the multi-layer composite structure according to claim 1, characterized in that, The two ends of the outer tube (31) are embedded in the clamping groove of the rim (11).

3. A run-flat tire of the multi-layered composite structure according to claim 1, wherein, The lock bolt (14) penetrated through the lock bolt holder (13) is sequentially pulled through the inner tube clamp ring (12), the inner tube (33) and the outer tube (31).

4. A run-flat tire of the multi-layered composite structure according to claim 1, wherein, The spring piece (43) and the tire supporting piece (44) are both elastic pieces, and are always in a compressed state.

5. A run-flat tire of the multi-layered composite structure according to claim 1, wherein, The tire supporting piece (44) is arranged at the left part, the middle part and the right part in the tire (2), and a gap is left between adjacent tire supporting pieces (44).

6. A run-flat tire of the multi-layer composite structure according to claim 1, characterized in that, The outer wall of the outer tube (31) is formed with a convex tread (32), and the outer tube (31) comprises a wear-resistant layer, an impact-resistant layer and a buffer layer from outside to inside.

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