Improved child-mother tire

Abstract

The utility model relates to the technical field of tires, in particular to an improved child-mother tire which comprises a mother tire, a connecting layer is fixedly connected to the inner side wall of the mother tire, an anti-explosion layer is fixedly connected to the inner side wall of the connecting layer, a limiting groove is formed in the inner side wall of the anti-explosion layer, a limiting block is clamped to the inner side wall of the limiting groove, and a limiting groove is formed in the inner side wall of the limiting block. The inner side wall of the limiting block is fixedly connected with a child tire, one side of the surface of the mother tire is fixedly connected with an outer wheel, and one side of the outer wheel is fixedly connected with an inner wheel. Due to the arrangement of the mother tire, the connecting layer and the anti-explosion layer, when the anti-explosion tire is used, the mother tire and the anti-explosion layer are connected through the connecting layer, the anti-explosion layer is supported and fixed, and the anti-explosion layer is supported by adopting an anti-explosion material, so that the anti-explosion tire has good anti-explosion performance, the effect of prolonging the service life of the tire is achieved, and the phenomenon that the anti-explosion tire is damaged when the tire runs at a high speed is avoided. And the tire is easy to explode, so that the tire is damaged, the service life is shortened, and subsequent use is not facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of tires, in particular to an improved mother-and-child tire. Background Art

[0002] The mother-and-child tire refers to a mother-and-child tire automobile safety wheel. That is, a sub-rim structure for fixing the sub-tire is added in the middle of the standard wheel rim, so that two tires can be installed on one wheel rim at the same time, the sub-tire and the external mother tire. The sub-tire is a solid structure made of elastic material, and the mother tire is located outside the sub-tire and wraps the sub-tire. However, the existing mother-and-child tire has the following disadvantages:

[0003] (1) The existing mother and child tires have weak explosion-proof functions. When the tires are in use, they are prone to explosions when running at high speeds, causing damage to the tires, reducing their service life and being unfavorable for subsequent use;

[0004] (2) The existing mother-child tire has a weak puncture protection function. When in use, if a sharp object from the outside pierces the inside of the tire, the tire is easily damaged, resulting in air leakage, which requires the tire to be replaced, increasing property losses. Summary of the invention

[0005] The utility model aims to provide an improved mother-and-child tire to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An improved mother-child tire comprises a mother tire, wherein the inner side wall of the mother tire is fixedly connected with a connecting layer, the inner side wall of the connecting layer is fixedly connected with an explosion-proof layer, the inner side wall of the explosion-proof layer is provided with a limiting groove, the inner side wall of the limiting groove is clamped with a limiting block, the inner side wall of the limiting block is fixedly connected with a mother tire, the mother tire and the explosion-proof layer are connected by setting the connecting layer, the explosion-proof layer is supported and fixed, the explosion-proof layer is supported by explosion-proof material, has good explosion-proof performance, achieves the effect of increasing the service life of the tire, and avoids the situation that the tire is easily exploded when running at high speed, resulting in damage to the tire, reduced service life, and is not conducive to subsequent use.

[0008] Preferably, an outer wheel is fixedly connected to one side of the surface of the mother tire, and an inner wheel is fixedly connected to one side of the outer wheel, and the outer wheel and the inner wheel are used in coordination to support the entire wheel.

[0009] Preferably, an installation groove is provided on the outer surface of the inner wheel, and a puncture-proof layer is fixedly connected to the inside of the installation groove. The puncture-proof layer is supported and fixed by the setting of the installation groove. The puncture-proof layer can reduce the possibility of damage to the tire surface after being pierced by sharp external objects, thereby achieving the effect of improving tire protection and avoiding the situation where the tire is easily damaged and leaks after sharp external objects pierce the inside of the tire, resulting in the need to replace the tire and increase property losses.

[0010] Preferably, a connecting groove is provided on the inner side wall of the sub-tire, and a connecting groove is fixedly connected inside the connecting groove. The groove is supported and fixed by the setting of the connecting groove, and the wheel is easily installed by the setting of the groove.

[0011] Preferably, a first fixing groove is provided on the outer surface of the mother tire, and a pattern is fixedly connected to the interior of the fixing groove. The pattern is fixed by the setting of the first fixing groove, and the friction of the wheel surface is increased by the setting of the pattern, and the overall aesthetics of the wheel is improved.

[0012] Preferably, a second fixing groove is formed on the inner side wall of the connecting groove, and an anti-skid layer is fixedly connected to the interior of the second fixing groove. The anti-skid layer is fixed by the setting of the second fixing groove. The anti-skid layer has anti-skid properties and can improve the overall anti-skid properties after the wheel is installed.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the improved mother-child tire, through the arrangement of the mother tire, the connecting layer and the explosion-proof layer, when in use, the mother tire and the explosion-proof layer are connected by the arrangement of the connecting layer, the explosion-proof layer is supported and fixed, the explosion-proof layer is supported by explosion-proof materials, has good explosion-proof performance, achieves the effect of improving the service life of the tire, avoids the situation that the tire is easily exploded when running at high speed, resulting in damage to the tire, reduced service life, and is not conducive to subsequent use. The improved mother-child tire, through the arrangement of the mounting groove and the puncture-proof layer, when in use, the puncture-proof layer is supported and fixed by the arrangement of the mounting groove, the puncture-proof layer can reduce the possibility of damage to the tire surface after being pierced by external sharp objects, achieves the effect of improving tire protection, avoids the situation that the tire is easily damaged and leaks after external sharp objects pierce the inside of the tire, resulting in the need to replace the tire and increase property losses. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0015] Figure 2 It is a front plan view schematic diagram of the device of the utility model;

[0016] Figure 3 This is a schematic diagram of the partial structural disassembly of the device of the utility model;

[0017] Figure 4 It is a side plan view schematic diagram of the device of the present utility model.

[0018] In the figure: 1. mother tire; 2. connecting layer; 3. explosion-proof layer; 4. limiting groove; 5. limiting block; 6. sub-tire; 7. outer wheel; 8. inner wheel; 9. anti-puncture layer; 10. connecting groove; 11. pattern; 12. second fixing groove; 13. anti-slip layer. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 As shown, the utility model provides a technical solution: an improved mother-child tire, comprising a mother tire 1, the inner side wall of the mother tire 1 is fixedly connected with a connecting layer 2, the inner side wall of the connecting layer 2 is fixedly connected with an explosion-proof layer 3, the inner side wall of the explosion-proof layer 3 is provided with a limiting groove 4, the inner side wall of the limiting groove 4 is clamped with a limiting block 5, the inner side wall of the limiting block 5 is fixedly connected with a child tire 6, the mother tire 1 and the explosion-proof layer 3 are connected by the setting of the connecting layer 2, the explosion-proof layer 3 is supported and fixed, the explosion-proof layer 3 is supported by explosion-proof materials, has good explosion-proof performance, achieves the effect of improving the service life of the tire, avoids the situation that the tire is easily exploded when running at high speed, resulting in damage to the tire, reduced service life, and is not conducive to subsequent use;

[0021] In this embodiment, preferably, an outer wheel 7 is fixedly connected to one side of the surface of the mother tire 1, and an inner wheel 8 is fixedly connected to one side of the outer wheel 7, and the outer wheel 7 and the inner wheel 8 are used in coordination to support the entire wheel;

[0022] In this embodiment, preferably, a mounting groove is provided on the outer surface of the inner wheel 8, and a puncture-proof layer 9 is fixedly connected inside the mounting groove. The puncture-proof layer 9 is supported and fixed by the setting of the mounting groove. The puncture-proof layer 9 can reduce the possibility of damage to the tire surface after being pierced by external sharp objects, thereby achieving the effect of improving tire protection, and avoiding the situation in which the tire is easily damaged and leaks after external sharp objects pierce the inside of the tire, resulting in the need to replace the tire and increasing property losses;

[0023] In this embodiment, preferably, a connecting groove is provided on the inner side wall of the sub-tire 6, and a connecting groove 10 is fixedly connected inside the connecting groove. The groove is supported and fixed by the setting of the connecting groove, and the wheel is easily installed by the setting of the groove.

[0024] In this embodiment, preferably, a first fixing groove is provided on the outer surface of the mother tire 1, and a pattern 11 is fixedly connected inside the fixing groove. The pattern 11 is fixed by the setting of the first fixing groove, and the friction of the wheel surface is improved by the setting of the pattern 11, and the overall aesthetics of the wheel is improved;

[0025] In this embodiment, preferably, a second fixing groove 12 is opened on the inner wall of the connecting groove 10, and an anti-skid layer 13 is fixedly connected to the interior of the second fixing groove 12. The anti-skid layer 13 is fixed by the setting of the second fixing groove 12. The anti-skid layer 13 has anti-skid properties and can improve the overall anti-skid properties after the wheel is installed.

[0026] When an improved mother-child tire of the present embodiment is in use, the mother tire 1 and the explosion-proof layer 3 are connected by setting the connecting layer 2, and the explosion-proof layer 3 is supported and fixed. The explosion-proof layer 3 is supported by explosion-proof materials and has good explosion-proof performance, thereby achieving the effect of increasing the service life of the tire and avoiding the situation that the tire is easily exploded when running at high speed, resulting in damage to the tire, reducing the service life, and being unfavorable for subsequent use. The puncture-proof layer 9 is supported and fixed by setting the mounting groove, and the puncture-proof layer 9 can reduce the possibility of damage to the tire surface after being pierced by external sharp objects, thereby achieving the effect of improving tire protection and avoiding external sharp objects. After an object penetrates into the tire, the tire is easily damaged and leaks, which causes the tire to need to be replaced, increasing property losses. The outer wheel 7 and the inner wheel 8 are used in conjunction with each other to support the wheel as a whole. The groove is supported and fixed by the setting of the connecting groove. The wheel is easily installed by the setting of the groove. The pattern 11 is fixed by the setting of the first fixing groove. The surface friction of the wheel is increased by the setting of the pattern 11, and the overall aesthetics of the wheel is improved. The anti-skid layer 13 is fixed by the setting of the second fixing groove 12. The anti-skid layer 13 has anti-skid properties and can improve the overall anti-skid properties after the wheel is installed.

[0027] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An improved mother-child tire, comprising a mother tire (1), characterized in that: The inner side wall of the mother tire (1) is fixedly connected to a connecting layer (2), the inner side wall of the connecting layer (2) is fixedly connected to an explosion-proof layer (3), the inner side wall of the explosion-proof layer (3) is provided with a limiting groove (4), the inner side wall of the limiting groove (4) is clamped with a limiting block (5), and the inner side wall of the limiting block (5) is fixedly connected to a sub-tire (6).

2. An improved mother-child tire according to claim 1, characterized in that: An outer wheel (7) is fixedly connected to one side of the surface of the mother tire (1), and an inner wheel (8) is fixedly connected to one side of the outer wheel (7).

3. An improved mother-child tire according to claim 2, characterized in that: The outer surface of the inner wheel (8) is provided with a mounting groove, and the interior of the mounting groove is fixedly connected with an anti-puncture layer (9).

4. The improved mother-child tire according to claim 1, characterized in that: The inner side wall of the sub-tire (6) is provided with a connection groove, and the interior of the connection groove is fixedly connected with a connection groove (10).

5. The improved mother-child tire according to claim 1, characterized in that: The outer surface of the mother tire (1) is provided with a first fixing groove, and the interior of the fixing groove is fixedly connected with a pattern (11).

6. An improved mother-child tire according to claim 4, characterized in that: A second fixing groove (12) is provided on the inner side wall of the connecting groove (10), and an anti-slip layer (13) is fixedly connected inside the second fixing groove (12).

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