Damping explosion-proof dual-density PU tire

Abstract

The utility model belongs to the technical field of PU tires, and particularly relates to a damping explosion-proof dual-density PU tire which comprises a hub, a tire body is arranged on the outer surface of the hub, the tire body is composed of an outer layer and an inner layer, a waterproof layer is arranged on the outer surface of the outer layer, and a plurality of sets of anti-skid protrusions are evenly distributed on the outer surface of the waterproof layer. When the tire encounters sharp objects, the high-density outer layer can resist damage caused by the sharp objects and protect the internal structure of the tire from being damaged, and when the tire passes through a bumpy road section, the low-density inner layer can absorb vibration caused by uneven road surfaces and improve the riding comfort; according to the anti-explosion PU wheel, interface separation caused by too large hardness difference between the outer layer and the inner layer can be avoided, the wear resistance and elasticity of the PU wheel are comprehensively improved through combination of PU materials with different densities of the outer layer and the inner layer, and the anti-explosion performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PU tire technical field, concretely is a shock -proof explosion -proof double density PU tire. BACKGROUND

[0002] Tire is the round annular elasticity rubber product of ground rolling that is equipped on various vehicles or machines. Usually install on metal wheel rim, can support the vehicle body, buffer external impact, realize with the contact of road surface and guarantee the driving performance of vehicle, and PU tire is also a group of tire, also called PU perfusion wheel, it has excellent wear resistance and repeated bending performance, good tear strength and elasticity, oil resistance, acid resistance, base resistance and excellent low temperature performance, abandoned PU bottom can automatically degrade, benefit environmental protection, is widely applied to the field of tire.

[0003] The prior art has the following deficiencies:

[0004] The existing PU tire is mostly made of single material, and it is difficult to simultaneously consider shock absorption and explosion prevention. When facing rough and uneven road surfaces, extreme weather conditions or potential explosive threats, the limitations of single material tires are particularly prominent. UTILITARY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a shock -proof explosion -proof double density PU tire to solve the problems in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a shock -proof explosion -proof double density PU tire, comprising a hub, the outer surface of the hub is equipped with a tire, the tire is composed of an outer layer and an inner layer, the outer surface of the outer layer is equipped with a waterproof layer, and the outer surface of the waterproof layer is uniformly distributed and equipped with a plurality of anti -skid protrusions.

[0007] As a preferred technical scheme of the utility model, the hub comprises a hub inner ring, the outer side of the hub inner ring is equipped with a hub outer ring, a plurality of support pieces are fixedly installed between the hub inner ring and the hub outer ring, and through holes are formed in the support pieces.

[0008] As a preferred technical scheme of the utility model, the anti -skid protrusion is symmetrically inclined, and an inner cavity is formed in the anti -skid protrusion, and a buffer block is fixedly installed.

[0009] As a preferred technical scheme of the utility model, a transition layer is arranged between the outer layer and the inner layer, and a tensile layer is arranged between the transition layer, the outer layer and the inner layer.

[0010] As an optimal technical scheme of the utility model, the outer layer, the inner layer and the transition layer are integrally formed by injection molding, the outer layer is made of high-density PU material, the inner layer is made of low-density PU material, and the transition layer is made of medium-density PU material.

[0011] As an optimal technical scheme of the utility model, the anti-tension layer is internally woven into a net shape by a plurality of groups of anti-tension ropes that are longitudinally and transversely interlaced, and the outer side of the anti-tension layer is an outer ring that is circularly arranged, and the outer ring is made of high-strength plastic.

[0012] As an optimal technical scheme of the utility model, the two groups of outer rings are connected to each other, a plurality of groups of connecting blocks are fixedly installed on the inner surface of the inner outer ring, the connecting blocks are T-shaped, and extend to the inner surface of the hub outer ring.

[0013] Compared with the prior art, the utility model provides a shock-absorbing and explosion-proof double-density PU tire, which has the following beneficial effects:

[0014] 1. The double-density PU tire has the outer layer, the inner layer and the transition layer, and when a sharp object is encountered, the high-density outer layer can resist damage caused by the sharp object and protect the internal structure of the tire from being damaged, and when a bumpy road section is passed, the low-density inner layer can absorb the vibration caused by the uneven road surface, improve the riding comfort, and the medium-density transition layer can avoid interface separation caused by a large hardness difference between the outer layer and the inner layer, and the combination of the PU materials with different densities of the outer layer and the inner layer can comprehensively improve the wear resistance and elasticity of the PU wheel and improve the explosion-proof performance.

[0015] 2. The double-density PU tire has the anti-tension layer, which improves the stability between the transition layer and the outer layer and the inner layer, makes the tire more solid and less likely to tear, and the connecting blocks form a snap buckle fixed connection between the tire and the hub to prevent the tire from coming off when rotating. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a sectional structure schematic view of the utility model;

[0018] Figure 3 It is an anti-tension layer structure schematic view of the utility model;

[0019] Figure 4 It is an anti-tension layer structure schematic view of the utility model; Figure 2 It is a structure schematic view of A.

[0020] In the figure: 1, hub; 101, hub inner ring; 102, hub outer ring; 103, support; 104, through hole; 2, tire; 201, outer layer; 202, inner layer; 203, transition layer; 3, waterproof layer; 301, anti-skid protrusion; 302, inner cavity; 303, buffer block; 4, anti-tension layer; 401, anti-tension rope; 402, outer ring; 403, connecting block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 In the embodiment, the shock-absorbing and explosion-proof double-density PU tire comprises a hub 1, the outer surface of the hub 1 is provided with a tire 2, the tire 2 is composed of an outer layer 201 and an inner layer 202, the outer surface of the outer layer 201 is provided with a waterproof layer 3, and the outer surface of the waterproof layer 3 is uniformly provided with a plurality of groups of anti-skid protrusions 301.

[0023] In the embodiment, the hub 1 comprises a hub inner ring 101, the outer side of the hub inner ring 101 is provided with a hub outer ring 102, a plurality of groups of support pieces 103 are fixedly installed between the hub inner ring 101 and the hub outer ring 102, and through holes 104 are formed in the support pieces 103.

[0024] In the embodiment, the anti-skid protrusions 301 are symmetrically and obliquely arranged, the inner cavities 302 are formed in the anti-skid protrusions 301, and the buffer blocks 303 are fixedly installed in the inner cavities 302. By arranging the anti-skid protrusions 301, the anti-skid performance of the tire 2 during rotation is improved. By arranging the buffer blocks 303, the outer surface of the tire 2 is provided with a certain buffering performance when the tire 2 contacts the ground.

[0025] In the embodiment, the transition layer 203 is arranged between the outer layer 201 and the inner layer 202, and the anti-tension layer 4 is arranged between the transition layer 203 and the outer layer 201 and the inner layer 202.

[0026] In the embodiment, the outer layer 201, the inner layer 202 and the transition layer 203 are integrally formed by injection molding, the outer layer 201 is made of high-density PU material, the inner layer 202 is made of low-density PU material, and the transition layer 203 is made of medium-density PU material, so that the production quality of the PU wheel is improved, the high-density outer layer 201 can resist damage caused by sharp objects when encountering sharp objects, and the internal structure of the tire 2 is protected from damage, the low-density inner layer 202 can absorb the vibration caused by the uneven road surface when passing through the potholed road section, and the riding comfort is improved, and the medium-density transition layer 203 can avoid interface separation caused by too large hardness difference between the outer layer 201 and the inner layer 202, and the combination of PU materials with different densities of the outer layer 201 and the inner layer 202 comprehensively improves the wear resistance and elasticity of the PU wheel, and ensures that the tire does not burst.

[0027] In the embodiment, the anti-tension layer 4 is internally formed by a plurality of groups of anti-tension ropes 401 that are interlaced to form a mesh, and the outer side of the anti-tension layer 4 is an outer ring 402 in a circular ring shape, the outer ring 402 is made of high-strength plastic, and the anti-tension layer 4 improves the stability between the transition layer 203 and the outer layer 201 and the inner layer 202, so that the tire 2 is more solid and less likely to tear.

[0028] In the embodiment, the two groups of outer rings 402 are connected to each other, a plurality of groups of connecting blocks 403 are fixedly installed on the inner surface of the inner outer ring 402, the connecting blocks 403 are T-shaped and extend to the inner surface of the hub outer ring 102, and the connecting blocks 403 form a snap buckle fixed connection between the tire 2 and the hub 1, preventing the tire 2 from being separated from the tire when rotating.

[0029] The working principle and use process of the utility model are as follows: when in use, the high-density outer layer 201 can resist damage caused by sharp objects when encountering sharp objects, the low-density inner layer 202 can absorb the vibration caused by the uneven road surface when passing through the potholed road section, and the riding comfort is improved, and the medium-density transition layer 203 can avoid interface separation caused by too large hardness difference between the outer layer 201 and the inner layer 202, and the combination of PU materials with different densities of the outer layer 201 and the inner layer 202 comprehensively improves the wear resistance and elasticity of the PU wheel, and ensures that the tire does not burst, and the anti-tension layer 4 improves the stability between the transition layer 203 and the outer layer 201 and the inner layer 202, so that the tire 2 is more solid and less likely to tear, and the connecting blocks 403 form a snap buckle fixed connection between the tire 2 and the hub 1, preventing the tire 2 from being separated from the tire when rotating.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A shock absorbing explosion-proof double density PU tire, comprising a hub (1), the outer surface of the hub (1) is provided with a tire (2), characterized in that: The tire (2) is composed of an outer layer (201) and an inner layer (202), the outer surface of the outer layer (201) is provided with a waterproof layer (3), and the outer surface of the waterproof layer (3) is uniformly provided with a plurality of groups of anti-skid protrusions (301).

2. The shock absorbing and explosion proof dual density PU tire according to claim 1, wherein: The hub (1) comprises a hub inner ring (101), the outer side of the hub inner ring (101) is provided with a hub outer ring (102), a plurality of groups of supporting pieces (103) are fixedly installed between the hub inner ring (101) and the hub outer ring (102), and a through hole (104) is formed in the supporting piece (103).

3. The shock absorbing and explosion proof dual density PU tire of claim 1, wherein: The anti-skid protrusion (301) is symmetrically and obliquely arranged, an inner cavity (302) is formed in the anti-skid protrusion (301), and a buffer block (303) is fixedly installed.

4. The shock absorbing and explosion proof dual density PU tire of claim 1, wherein: The outer layer (201) and the inner layer (202) are provided with a transition layer (203), and the transition layer (203) is provided with a tensile layer (4) between the outer layer (201) and the inner layer (202).

5. The shock absorbing and explosion proof dual density PU tire of claim 1, wherein: The outer layer (201), the inner layer (202) and the transition layer (203) are integrally formed by injection molding, the outer layer (201) is made of high-density PU material, the inner layer (202) is made of low-density PU material, and the transition layer (203) is made of medium-density PU material.

6. The shock absorbing and explosion proof dual density PU tire of claim 4, wherein: The tensile layer (4) is longitudinally and transversely interlaced and woven into a mesh shape by a plurality of groups of tensile ropes (401), the outer side of the tensile layer (4) is provided with an outer ring (402) in a circular ring shape, and the outer ring (402) is made of high-strength plastic.

7. The shock absorbing and explosion proof dual density PU tire of claim 6, wherein: Two groups of the outer ring (402) are connected to each other, a plurality of groups of connecting blocks (403) are fixedly installed on the inner surface of the inner outer ring (402), the connecting block (403) is T-shaped, and extends to the inner surface of the hub outer ring (102).

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