Safe explosion-proof tire and production process thereof

Abstract

The invention provides a safe explosion-proof tire and a production process thereof, and relates to the technical field of tire production. The safe and explosion-proof tire comprises a hub, a wheel axle, an outer tire and a tire inner core, the wheel axle is connected to the middle of the hub, the outer portion of the hub is connected with a first rim assembly, a second rim assembly is arranged on one side of the first rim assembly, the first rim assembly and the second rim assembly are connected in a matched and clamped mode, and the tire inner core is connected with the outer tire. An outer tire is clamped to the outer side of the first rim assembly and the outer side of the second rim assembly, and the outer tire is filled with a tire inner core. According to the electric vehicle tire, the tire inner core made of PU foaming polyurethane E-TPU popcorn is arranged in the outer tire to form a whole, the customized hub is installed in the outer tire, the rim assembly is clamped left and right, and then the screws are installed for locking, and compared with a traditional electric vehicle tire, the electric vehicle tire is high in safety coefficient, does not need to be inflated, and is good in elasticity; and the tire cannot be punctured under the condition of high-temperature weather, the tire does not need to be repaired, and the tire is not easy to deform.

Description

Technical Field

[0001] The invention relates to the technical field of tire production, in particular to a safe explosion-proof tire and a production process thereof. Background Art

[0002] With the improvement of people's environmental awareness and the popularization of energy-saving and consumption-reducing concepts, electric vehicles are rapidly occupying the market. Electric vehicles have won the favor of consumers with their environmental protection, energy saving and light weight. With the rapid growth of the number of electric vehicles in my country, driving safety has become an important issue in the design, production and use of electric vehicles.

[0003] The explosion-proof performance of existing electric vehicle tires is not very ideal, which makes it easy for electric vehicle tires to blow out during actual use due to long-term bumps or treads being punctured by sharp objects. The service life of electric vehicle tires is difficult to guarantee, resulting in reduced safety in tire use. In addition, most existing electric vehicle tires have a short service life and need to be inflated. There are many cases of blowouts and tire repairs, which are prone to emergencies.

[0004] Therefore, those skilled in the art provide a safe explosion-proof tire and a production process thereof to solve the problems raised in the above background technology. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the present invention provides a safe explosion-proof tire and a production process thereof, which solves the problems that many existing electric vehicle tires have a short service life, need to be inflated, have a high incidence of blowouts and tire repairs, and are prone to emergencies.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A safe explosion-proof tire comprises a wheel hub, a wheel axle, an outer tire and a tire inner core, wherein the wheel axle is connected to the middle of the wheel hub, a wheel rim component 1 is connected to the outside of the wheel hub, a wheel rim component 2 is arranged on one side of the wheel rim component 1, and the wheel rim component 1 and the wheel rim component 2 are matched and clamped;

[0010] The outer sides of the wheel rim assembly 1 and the wheel rim assembly 2 are clamped with outer tires, and the inner sides of the outer tires are filled with tire inner cores.

[0011] Furthermore, the wheel rim assembly 1 and the wheel rim assembly 2 are connected and fixed by locking bolts, and a plurality of locking bolts are provided.

[0012] Furthermore, a plurality of connection holes are provided on the inner side of the tire inner core, and locking bolts penetrate through the connection holes.

[0013] Furthermore, the tire inner core is made of foamed thermoplastic polyurethane.

[0014] Furthermore, a process for preparing a safe explosion-proof tire comprises the following steps:

[0015] Step S1. Pre-foaming the foamable thermoplastic polyurethane using a steam foaming machine to make popcorn;

[0016] Step S2. Prepare a mold with a molding cavity having the same shape as the tire, put the prepared popcorn into the molding cavity of the mold, and then put the mold into a steamer to shape it into a tire core;

[0017] Step S3. Place the formed popcorn inside the outer tire, then install the wheel hub, clamp the wheel rim component 1 and the wheel rim component 2 on the left and right, then install the screws and lock them.

[0018] Furthermore, the tire inner core formed by the popcorn can fill the interior of the outer tire to provide a stable support, and the tire will not be suffocated.

[0019] Furthermore, in step S2, the steaming time in the steamer is 6 minutes, and the steamer temperature is 180-200°C.

[0020] Furthermore, the wheel hub is customized and is used to be combined with the outer tire to play a supporting role. The central axis of the wheel hub is used to install the tire on the electric vehicle. The wheel hub assembly 1 and the wheel hub assembly 2 are matched and installed on the tire.

[0021] (III) Beneficial effects

[0022] The present invention provides a safe explosion-proof tire and a production process thereof. It has the following beneficial effects:

[0023] 1. The present invention provides a safe and explosion-proof tire and a production process thereof. Compared with traditional electric vehicle tires, the safe and explosion-proof tire has a high safety factor, does not require inflation, has good elasticity, can prevent the tire from bursting in hot weather, does not require tire repair, and is not easy to deform.

[0024] 2. The present invention provides a safe explosion-proof tire and its production process, which is formed by arranging a tire inner core made of foamed thermoplastic polyurethane popcorn inside the outer tire, and installing it inside the outer tire through a customized wheel hub. The wheel rim assembly is clamped on the left and right and then screwed to lock it. The outer tire is wear-resistant during use and wraps the popcorn inside, effectively increasing the service life of the tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of the safety explosion-proof tire of the present invention;

[0026] Figure 2 A cross-sectional view of a safety explosion-proof tire of the present invention;

[0027] Figure 3 This is a schematic diagram of the structure of a safe explosion-proof tire hub of the present invention;

[0028] Figure 4 The figure is a schematic diagram of assembling the outer tire of the safety explosion-proof tire of the present invention.

[0029] Among them, 1. wheel hub; 2. wheel axle; 3. wheel rim assembly 1; 4. wheel rim assembly 2; 5. outer tire; 6. locking bolt; 7. tire inner core; 8. connecting hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Specific implementation method:

[0032] like Figure 1-4 As shown, a specific embodiment of the present invention provides a safe explosion-proof tire, comprising a wheel hub 1, an axle 2, an outer tire 5 and a tire inner core 7, wherein the axle 2 is connected to the middle of the wheel hub 1, a wheel rim assembly 1 3 is connected to the outside of the wheel hub 1, a wheel rim assembly 2 4 is arranged on one side of the wheel rim assembly 1 3, and the wheel rim assembly 1 3 and the wheel rim assembly 2 4 are matched and clamped;

[0033] The outer sides of the wheel rim assembly 1 3 and the wheel rim assembly 2 4 are clamped with a tire outer tire 5 , and the inner side of the tire outer tire 5 is filled with a tire inner core 7 .

[0034] The wheel rim assembly 1 3 and the wheel rim assembly 2 4 are connected and fixed by locking bolts 6, and a plurality of locking bolts 6 are provided. A plurality of connecting holes 8 are provided on the inner side of the tire inner core 7, and the connecting holes 8 are penetrated by the locking bolts 6. The tire inner core 7 is made of foamed thermoplastic polyurethane.

[0035] The preparation process of the safe explosion-proof tire comprises the following steps:

[0036] Step S1. Pre-foaming the foamable thermoplastic polyurethane using a steam foaming machine to make popcorn;

[0037] Step S2. Prepare a mold with a molding cavity having the same shape as the outer tire, and put the prepared popcorn into the molding cavity of the mold, and then put the mold into a steamer, steaming it for 6 minutes at a temperature of 200°C to shape it into a tire core 7;

[0038] Step S3. Place the formed popcorn inside the outer tire 5, then install the wheel hub 1, clamp the wheel rim component 1 3 and the wheel rim component 2 4 left and right, then install the screws and lock them.

[0039] The wheel hub 1 is customized and is used to be combined with the outer tire 5 to play a supporting role. The central axis of the wheel hub 1 is used to install the tire on the electric vehicle. The wheel hub component 1 3 and the wheel hub component 2 4 are matched and installed on the tire. The tire inner core 7 formed by popcorn can fill the inside of the outer tire 5 to support it stably and the tire will not hold air.

[0040] Although specific embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the specific embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safe explosion-proof tire, comprising a wheel hub (1), a wheel axle (2), a tire outer tire (5) and a tire inner tire core (7), characterized in that: The wheel axle (2) is connected to the middle of the wheel hub (1); the outside of the wheel hub (1) is connected to a wheel rim assembly (3); one side of the wheel rim assembly (3) is provided with a wheel rim assembly (4); the wheel rim assembly (3) and the wheel rim assembly (4) are engaged and snap-fitted; The outer sides of the wheel rim assembly 1 (3) and the wheel rim assembly 2 (4) are clamped with a tire (5), and the interior of the tire (5) is filled with a tire inner core (7).

2. A safe explosion-proof tire and its production process according to claim 1, characterized in that: The wheel rim assembly one (3) and the wheel rim assembly two (4) are connected and fixed by means of locking bolts (6), and a plurality of locking bolts (6) are provided.

3. A safe explosion-proof tire and a production process thereof according to claim 1, characterized in that: A plurality of connection holes (8) are provided on the inner side of the tire inner core (7), and locking bolts (6) penetrate through the connection holes (8).

4. A safe explosion-proof tire and a production process thereof according to claim 1, characterized in that: The tire inner core (7) is made of foamed thermoplastic polyurethane.

5. A process for preparing a safe explosion-proof tire as claimed in claims 1 to 4, characterized in that: The following steps are involved: Step S1. Pre-foaming the foamable thermoplastic polyurethane using a steam foaming machine to make popcorn; Step S2. Prepare a mold with a molding cavity having the same shape as the outer tire, put the prepared popcorn into the molding cavity of the mold, and then put the mold into a steamer to shape it into a tire inner core (7); Step S3. Place the formed popcorn inside the outer tire (5), then install the wheel hub (1), clamp the wheel rim component 1 (3) and the wheel rim component 2 (4) to the left and right, then install the screws and lock them.

6. The process for preparing a safe explosion-proof tire according to claim 5, characterized in that: The tire inner core (7) formed by the popcorn can fill the interior of the outer tire (5) to provide a stable support, and the tire will not be suffocated.

7. The process for preparing a safe explosion-proof tire according to claim 1, characterized in that: In step S2, the steaming time in the steamer is 6 minutes, and the steamer temperature is 180-200°C.

8. The process for preparing a safe explosion-proof tire according to claim 1, characterized in that: The wheel hub (1) is custom-made and is used to be combined with the outer tire (5) to play a supporting role. The central axis of the wheel hub (1) is used to install the tire on the electric vehicle. The wheel hub component 1 (3) and the wheel hub component 2 (4) are matched and installed on the tire.

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