阅读说明：本技术 一种车辆安全轮胎及其制备方法 (Vehicle safety tire and preparation method thereof ) 是由 付海洋 储立群 于 2021-08-24 设计创作，主要内容包括：本发明属于轮胎技术领域,具体的说是一种车辆安全轮胎及其制备方法,包括轮辋、胎体,轮辋的外侧固定连接有支撑体,支撑体的内部开设有活动腔,活动腔内部固定连接有弹性伸缩杆,弹性伸缩杆的外侧套接有压缩弹簧,弹性伸缩杆靠近胎体的一端固定连接有弧形板,弧形板的上表面固定连接有推板,推板靠近胎体的一侧固定连接有缓冲板,且缓冲板位于支撑体的顶部,支撑体的两侧均开设有通孔,通孔与活动腔相连通,轮辋的外侧铰接有第一连杆,第一连杆远离轮辋的一端铰接有第二连杆,第二连杆的通过拉绳固定连接有阻挡板；本发明通过压缩弹簧带动弹性伸缩杆将弧形板推至活动腔的顶部,从而将缓冲板推出,降低车辆爆胎时的沉降速度,保证车辆的行驶安全。(The invention belongs to the technical field of tires, and particularly relates to a vehicle safety tire and a preparation method thereof, wherein the vehicle safety tire comprises a rim and a tire body, the outer side of the rim is fixedly connected with a support body, the inside of the support body is provided with a movable cavity, the inside of the movable cavity is fixedly connected with an elastic telescopic rod, the outer side of the elastic telescopic rod is sleeved with a compression spring, one end of the elastic telescopic rod, which is close to the tire body, is fixedly connected with an arc-shaped plate, the upper surface of the arc-shaped plate is fixedly connected with a push plate, one side of the push plate, which is close to the tire body, is fixedly connected with a buffer plate, the buffer plate is positioned at the top of the support body, both sides of the support body are provided with through holes, the through holes are communicated with the movable cavity, the outer side of the rim is hinged with a first connecting rod, one end of the first connecting rod, which is far away from the rim, is hinged with a second connecting rod, and the second connecting rod is fixedly connected with a blocking plate through a pull rope; the elastic telescopic rod is driven by the compression spring to push the arc-shaped plate to the top of the movable cavity, so that the buffer plate is pushed out, the sedimentation speed of the vehicle during tire burst is reduced, and the running safety of the vehicle is ensured.)

1. A vehicle safety tire and a preparation method thereof comprise a rim (1) and a tire body (2), and are characterized in that: the wheel rim part of the rim (1) is tightly attached to the tire bead part of the tire body (2), the outer side of the rim (1) is fixedly connected with a support body (3), a movable cavity (32) is formed in the support body (3), one end, close to the rim (1), of the movable cavity (32) is fixedly connected with an elastic telescopic rod (33), the outer side of the elastic telescopic rod (33) is sleeved with a compression spring (34), one end, close to the rim (1), of the compression spring (34) is fixedly connected with the support body (3), the other end of the compression spring (34) is contacted with the lower surface of an arc-shaped plate (35), one end, close to the tire body (2), of the elastic telescopic rod (33) is fixedly connected with the arc-shaped plate (35), the upper surface of the arc-shaped plate (35) is fixedly connected with a push plate (36), the lower surface of the arc-shaped plate (35) is contacted with one end, far away from the rim (1), of the compression spring (34), one side of the push plate (36) close to the tire body (2) is fixedly connected with a buffer plate (31), the buffer plate (31) is located at the top of the support body (3), through holes (4) are formed in both sides of the support body (3), the through holes (4) are communicated with the movable cavity (32), uniformly distributed balls (41) are rotatably arranged on two side faces of the through holes (4) in the vertical direction, a first connecting rod (42) is hinged to the outer side of the rim (1), the connecting position of the support body (3) and the rim (1) is far away from the first connecting rod (42), a second connecting rod (43) is hinged to one end, far away from the rim (1), of the first connecting rod (42), a third connecting rod (44) is hinged to the middle of the second connecting rod (43), a second telescopic rod (45) is fixedly connected between the hinged part of the first connecting rod (42) and the second connecting rod (43) and the hinged part of the second connecting rod (43) and the third connecting rod (44), one end of the third connecting rod (44) far away from the second connecting rod (43) is fixedly connected with the supporting body (3), the other end of the second connecting rod (43) is fixedly connected with a pull rope (46), the other end of the pull rope (46) is fixedly connected with a blocking plate (47), the blocking plate (47) penetrates through the through hole (4) and is contacted with the push plate (36), a filling block (5) is fixedly connected with the contact part of the tire body (2) and the rim (1) inside the tire body (2), the lateral surface of the filling block (5) facing the support body (3) is fixedly connected with a hemisphere (51), the curved surface of the hemisphere (51) is in contact with the joint of the first connecting rod (42) and the second connecting rod (43).

2. A vehicle run-flat tire and a method of manufacturing the same according to claim 1, wherein: the tyre core is characterized in that convex strips (8) are fixedly connected to the inner portion of the tyre core (2) and are uniformly distributed, one end, far away from the rim (1), of the filling block (5) is in contact with a curved surface portion of the convex strips (8) at the top of the tyre core (2), an elastic metal net (52) is embedded in the filling block (5), and the main body of the filling block (5) is a thermoplastic elastomer.

3. A vehicle run-flat tire and a method of manufacturing the same according to claim 1, wherein: the supporter (3) is formed by arc connecting plate (37) concatenation, through fixture block (38) and linking piece (39) fixed connection between arc connecting plate (37), the interior hypotenuse of linking piece (39) contacts with the hypotenuse of arc connecting plate (37), the outer hypotenuse of linking piece (39) contacts with the hypotenuse of buffer board (31), the internal diameter of linking piece (39) is the same with the internal diameter of arc connecting plate (37), the external diameter of linking piece (39) is the same with the external diameter of buffer board (31), the inboard of linking piece (39) and the outside fixed connection of rim (1).

4. A vehicle run-flat tire and a method of manufacturing the same according to claim 1, wherein: the anti-rust tire is characterized in that a steel wire layer (6) is embedded in the tire body (2), a marking pipe (7) is embedded in the tire top of the tire body (2), and anti-rust oil is filled in the marking pipe (7).

5. A vehicle run-flat tire and a method of manufacturing the same according to claim 1, wherein: a liquid storage cavity (81) is formed in the raised lines (8), the liquid storage cavity (81) is connected with the marking pipe (7) through extrusion holes (82), and the raised lines (8) are uniformly distributed on the top of the tire body (2);

a method for producing a vehicle run-flat tire, which is applied to the one vehicle run-flat tire described above; the preparation method comprises the following steps:

s1: on the basis of S1, putting the tread and the convex strips into a forming machine for assembly, and filling rust-proof oil into the convex strips before assembly and packaging; simultaneously placing the sidewall and the filling block on a forming machine for assembly; after the assembly is finished, putting the tire tread and the tire side part into the forming machine again for assembly; finally, the assembled semi-finished carcass is conveyed into a vulcanizing machine, the carcass is installed on the vulcanizing machine for chemical processing, and the chemical processing is carried out in a mold for about 40 minutes, so that the finished carcass is vulcanized;

s2: on the basis of S1, putting the tread and the convex strips into a forming machine for assembly, and filling rust-proof oil into the convex strips before assembly and packaging; simultaneously, placing the tire side and the filling block on a forming machine for assembly, and after the assembly is finished, assembling the two parts by using the forming machine again; finally, the assembled tire body is conveyed into a vulcanizing machine, the tire body is arranged on the vulcanizing machine for chemical processing, and the chemical processing is carried out in a mold for about 40 minutes, so that the tire body is vulcanized into a finished tire body;

s3, firstly, connecting the blocking plate with the arc-shaped connecting plate through the through hole, blocking the compression spring from popping up, connecting the blocking plate with the pull rope on the second connecting rod, simultaneously connecting the second connecting rod with the third connecting rod, and then assembling the arc-shaped connecting plate and the connecting block through a clamping block in the tire body until the support part is assembled;

and S4, on the basis of S3, connecting the first connecting rod with the second connecting rod, fixedly connecting the arc-shaped connecting plate and the connecting block with a contact part on a rim through bolts, clamping the rim part of the rim and the tire bead part of the tire body to enable the rim and the tire bead part to be tightly attached, and finally driving air into the tire body until the tire is assembled.

Technical Field

The invention belongs to the technical field of tires, and particularly relates to a vehicle safety tire and a preparation method thereof.

Background

The tire is a circular ring-shaped elastic rubber product which is assembled on various vehicles or machines and rolls in a grounding way; the wheel rim is usually arranged on a metal wheel rim, can support a vehicle body, buffers external impact, realizes contact with a road surface and ensures the driving performance of a vehicle; after a common tire is punctured by foreign objects, air leakage is fast firstly, then the tire side collapses, the tire bead is separated from the rim, the vehicle cannot run continuously if the tire bead is light, and the vehicle overturns if the tire bead is heavy; the tire burst refers to the phenomenon that the tire is deflated due to sudden air loss caused by rupture in a very short time, and the vehicle is out of balance in the process of high-speed running due to the fact that the tire of the vehicle is instantaneously deflated, so that the vehicle is rotated, and traffic accidents are caused.

In the prior art, some technical schemes related to a vehicle safety tire also exist, for example, a chinese patent with application number 201920664464.0 discloses an inner support type structure pneumatic run-flat tire, which adopts a support elastic structure that a polymer composite material elastomer is placed in the tire on a commercial vehicle, when the tire is blown out, a certain support capacity can be generated, the vehicle is prevented from being out of control when the tire is blown out, the safety problem caused by the vehicle blown out is solved, and the personal injury and the property loss are reduced, but the technical scheme neglects a bit, in the process of the vehicle blown out, because the vehicle adopts a four-wheel support structure, if the vehicle is blown out in the process of high-speed driving, the balance of the vehicle can be broken instantly, although the vehicle keeps a certain balance due to the support elastic structure, the reaction speed of a vehicle owner is not always kept up when the vehicle is driving, thereby the vehicle is caused to run-flat and rotate under the inertia of the vehicle after the tire is blown out, causing traffic to occur.

Disclosure of Invention

The invention provides a vehicle safety tire and a preparation method thereof, aiming at overcoming the defects of the prior art and solving the problems that the vehicle cannot be sufficiently supported due to the fact that the tire loses air instantly when the tire bursts, and the vehicle rotates due to the fact that the vehicle loses balance suddenly in the driving process.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a vehicle safety tire and a preparation method thereof, comprising a rim and a tire body, wherein the rim part of the rim is tightly attached to the tire bead part of the tire body, the outer side of the rim is fixedly connected with a support body, the inner part of the support body is provided with a movable cavity, one end of the movable cavity close to the rim is fixedly connected with a first telescopic rod, the outer side of the first telescopic rod is sleeved with a compression spring, one end of the compression spring close to the rim is fixedly connected with the support body, one end of the first telescopic rod close to the tire body is fixedly connected with an arc-shaped plate, the upper surface of the arc-shaped plate is fixedly connected with a push plate, the lower surface of the arc-shaped plate is contacted with one end of the compression spring far away from the rim, one side of the push plate close to the tire body is fixedly connected with a buffer plate, the buffer plate is positioned at the top of the support body, and both sides of the support body are provided with through holes, the through hole is communicated with the movable cavity, the two side faces of the through hole in the vertical direction are rotatably provided with uniformly distributed balls, the outer side of the rim is hinged with a first connecting rod, the first connecting rod is far away from the joint of the support body and the rim, one end of the first connecting rod, which is far away from the rim, is hinged with a second connecting rod, the included angle between the first connecting rod and the second connecting rod is an acute angle, the middle part of the second connecting rod is hinged with a third connecting rod, a second telescopic rod is fixedly connected between the hinged part of the first connecting rod and the second connecting rod and the hinged part of the second connecting rod and the third connecting rod, one end of the third connecting rod, which is far away from the second connecting rod, is fixedly connected with the support body, the other end of the second connecting rod is fixedly connected with a pull rope, the other end of the pull rope is fixedly connected with a barrier plate, and the barrier plate penetrates through hole to be contacted with the push plate, the tyre comprises a tyre body and a rim, wherein a filling block is fixedly connected to the inner part of the tyre body, which is close to the contact part of the tyre body and the rim, a hemisphere is fixedly connected to the side surface of the filling block, which faces the support body, and the curved surface of the hemisphere is in contact with the joint of the first connecting rod and the second connecting rod.

When the vehicle runs, when the tire leaks or is burst during the running process of the vehicle, one side of the vehicle with burst tire sinks rapidly, so that the vehicle shakes violently, and a driver is reminded of the abnormal tire; when a vehicle tire bursts, a wheel hub generates a sinking phenomenon under the influence of the load of the vehicle, a filling block is influenced by the settlement of the vehicle, one end of the filling block, which is far away from a wheel rim, moves along the direction of the inner side of a tire body towards a support body, when the filling block moves towards the support body, the curved surface of a hemisphere is driven to apply an acting force towards the support body to the joint of a first connecting rod and a second connecting rod, so that the second connecting rod drives a blocking plate to do arc motion towards the support body by taking the joint of the blocking plate and a third connecting rod as an axis, when the first connecting rod drives the second connecting rod to move, a second telescopic rod contracts along with the motion of the second connecting rod, the blocking plate is prevented from being blocked when the first connecting rod drives the second connecting rod to move, the blocking plate cannot be pulled out of the through hole, when the second connecting rod drives a pull rope to move, the pull rope drives the blocking plate to be pulled out of the through hole, and the ball in the through hole rotates, so that the resistance of the blocking plate in the through hole is reduced, and then take the through-hole out with the barrier plate, the barrier plate mainly plays the effect of blockking compression spring, at this moment owing to lose the effect of barrier plate, so compression spring drives first telescopic link and promotes the arc to the top in activity chamber, make the push pedal release the buffer board, make the buffer board pop out and form the support in tire inside before the tire loses gas completely, slow down the sunken speed of tire and guarantee safety of traveling, simultaneously because there are first telescopic link and compression spring in the bottom of arc, first telescopic link and compression spring are after the buffer board forms the support when the vehicle traveles, the speed that slows down the tire, bear through the supporter until finally, first telescopic link and compression spring also can decompose and cushion the pressure that the buffer board formed simultaneously, the rigidity of supporter is imitative with the rigidity of the tire normal driving condition.

Preferably, the inner part of the tire body is fixedly connected with convex strips which are uniformly distributed, one end of the filling block, which is far away from the rim, is in contact with the curved surface part of the convex strips at the top of the tire body, an elastic metal net is embedded in the filling block, and the main body of the filling block is a thermoplastic elastomer;

when the tire is in work, the filling blocks are fixedly connected inside the tire body, and the filling blocks continuously rub at the connection part of the tire side and the tire top when the tire is in ground contact due to the load of the vehicle during the running process of the vehicle, so that the convex strips are fixedly connected at the tire top part inside the tire body to play a role in reducing friction, the damage to one side of the tire body close to a rim due to the fact that the inside of the tire body is rubbed for a long time is prevented, and the service life of the tire is prolonged; because the filling block is made of synthetic rubber and is embedded with the elastic metal net, the filling block has good impact resistance and fatigue resistance, the filling block decomposes the pressure of a part of the vehicle body through the rebound force of the elastic metal net inside the filling block in the process that the vehicle body is settled due to sudden air leakage of the tire, the settlement speed of the vehicle body is slowed down, and the running safety of the vehicle is improved.

Preferably, the support body is formed by splicing arc-shaped connecting plates, the arc-shaped connecting plates are fixedly connected with each other through clamping blocks, the inner oblique edges of the connecting blocks are in contact with the oblique edges of the arc-shaped connecting plates, the outer oblique edges of the connecting blocks are in contact with the oblique edges of the buffer plates, the inner diameters of the connecting blocks are the same as the inner diameters of the arc-shaped connecting plates, the outer diameters of the connecting blocks are the same as the outer diameters of the buffer plates, and the inner sides of the connecting blocks are fixedly connected with the outer sides of the wheel rims;

when the support body works, the situation that stress among the arc-shaped connecting plates is uneven often occurs when the support body runs, because the inner diameter of the connecting block is the same as that of the arc-shaped connecting plates, and the outer diameter of the connecting block is the same as that of the buffer plate, the support body is more tightly connected among the arc-shaped connecting plates under the connection of the clamping blocks when stressed, and meanwhile, the connecting block is made of elastic materials, so that the stress among the arc-shaped connecting plates can be decomposed and buffered, and the vehicle can run relatively stably after tire burst; because the connecting block decomposes and buffers the force to a certain degree, the acting force applied to the hub is reduced, and the service life of the hub is prolonged.

Preferably, a steel wire layer is embedded in the tire body, a marking pipe is embedded at the tire top of the tire body, and anti-rust oil is filled in the marking pipe;

when the vehicle runs normally, the steel wire layer is punctured by a sharp object to cause tire air leakage, the tire is influenced by upward extrusion of the sharp object, the broken steel wire penetrates the marking pipe upwards when the steel wire layer is broken, the marking pipe is filled with the anti-rust oil, the color of the anti-rust oil is reddish brown, the anti-rust oil is continuously extruded along with the running of the wheel during running, the broken steel wire is subjected to anti-rust treatment, and meanwhile, a mark area is formed on the surface of the tire, so that the punctured position is determined; meanwhile, one side of the tire burst of the vehicle can sink rapidly after the tire burst, so that the vehicle shakes violently, and meanwhile, in the process that the vehicle continues to run after the tire burst, the vehicle shakes to remind a driver of tire abnormity.

Preferably, a liquid storage cavity is formed in the raised lines, the liquid storage cavity is connected with the marking pipe through an extrusion hole, and the raised lines are uniformly distributed on the top of the tire in the tire body; the during operation, when the matrix is punctured to sharp-pointed object, at the in-process that the vehicle continues to travel, make the extrusion hole enlarge and then make the antirust oil in the stock solution chamber flow into in the mark pipe through the extrusion hole through tire and ground contact, along with the continuous contact of tire and ground, the continuous damaged department from the matrix of antirust oil is extruded, prevent that the tire from rubbing with ground and rubbing antirust oil and falling in the vehicle is traveling, make on the tire punctured the position and changeing, and antirust oil probably is removed to wash and is fallen and lead to the unable discernment and puncture the position after water hole, at this moment because the antirust oil in the stock solution chamber constantly extrudes at the vehicle in-process and can carry out the secondary positioning.

A method for producing a vehicle run-flat tire, which is applied to a vehicle run-flat tire according to the above claim; the preparation method comprises the following steps:

s1: on the basis of S1, putting the tread and the convex strips into a forming machine for assembly, and filling rust-proof oil into the convex strips before assembly and packaging; simultaneously placing the sidewall and the filling block on a forming machine for assembly; after the assembly is finished, putting the tire tread and the tire side part into the forming machine again for assembly; finally, the assembled semi-finished carcass is conveyed into a vulcanizing machine, the carcass is installed on the vulcanizing machine for chemical processing, and the chemical processing is carried out in a mold for about 40 minutes, so that the finished carcass is vulcanized;

s2: on the basis of S1, putting the tread and the convex strips into a forming machine for assembly, and filling rust-proof oil into the convex strips before assembly and packaging; simultaneously, placing the tire side and the filling block on a forming machine for assembly, and after the assembly is finished, assembling the two parts by using the forming machine again; finally, the assembled tire body is conveyed into a vulcanizing machine, the tire body is arranged on the vulcanizing machine for chemical processing, and the chemical processing is carried out in a mold for about 40 minutes, so that the tire body is vulcanized into a finished tire body;

s3, firstly, connecting the blocking plate with the arc-shaped connecting plate through the through hole, blocking the compression spring from popping up, connecting the blocking plate with the pull rope on the second connecting rod, simultaneously connecting the second connecting rod with the third connecting rod, and then assembling the arc-shaped connecting plate and the connecting block through a clamping block in the tire body until the support part is assembled;

s4, on the basis of S3, the first connecting rod and the second connecting rod are connected, then the arc-shaped connecting plate and the connecting block are fixedly connected with a contact part on the rim through bolts, then the rim part of the rim is clamped with the tire bead part of the tire body to enable the tire body to be tightly attached, and finally air is injected into the tire body until the tire is assembled.

The invention has the following beneficial effects:

1. the invention relates to a vehicle safety tire and a preparation method thereof, when a vehicle blows out, a hub sinks under the influence of the load of the vehicle, a filling block is influenced by the settlement of the vehicle, one end of the filling block, which is far away from a rim, moves along the direction of the inner side of a tire body towards a support body, when the filling block moves towards the support body, the curved surface of a hemisphere is driven to apply an acting force towards the support body to the joint of a first connecting rod and a second connecting rod, so that the second connecting rod drives a blocking plate to move towards the support body by taking the joint of the blocking plate and a third connecting rod as an axis, when the first connecting rod drives the second connecting rod to move, a second telescopic rod contracts along with the movement of the second connecting rod, the blocking plate is prevented from being stuck when the first connecting rod drives the second connecting rod to move, the blocking plate cannot be drawn out, when the second connecting rod rotates, a pull rope drives the blocking plate to be drawn out from a through hole, the ball in the through-hole rotates and has reduced the barrier plate and received the resistance in the through-hole, and then take the barrier plate out the through-hole, the barrier plate mainly plays the effect that blocks compression spring, this moment is owing to lose the effect of barrier plate, so compression spring drives first telescopic link and promotes the top to the activity chamber with the arc, make the push pedal release the buffer plate, make the buffer plate pop out and support at the inside formation of tire before the tire loses gas completely, slow down the sunken speed of tire and guarantee safety of traveling, simultaneously because there are first telescopic link and compression spring in the bottom of arc, first telescopic link and compression spring are after the buffer plate is supporting in the formation when the vehicle traveles, slow down the speed that descends to the tire, bear through the supporter finally, first telescopic link and compression spring also can decompose and cushion the pressure that the buffer plate formed simultaneously.

2. According to the vehicle safety tire and the preparation method thereof, the filling blocks are fixedly connected inside the tire body, and the filling blocks continuously rub at the connecting part of the tire side and the tire top when the tire is in ground contact due to the load of the vehicle during the running process of the vehicle, so that the convex strips are fixedly connected to the tire top part inside the tire body to play a role in reducing friction, the damage to one side of the tire body close to a rim caused by long-term friction inside the tire body is prevented, and the service life of the tire is prolonged; because the filling block is made of synthetic rubber and is embedded with the elastic metal net, the filling block has good impact resistance and fatigue resistance, the filling block decomposes the pressure of a part of the vehicle body through the rebound force of the elastic metal net inside the filling block in the process that the vehicle body is settled due to sudden air leakage of the tire, the settlement speed of the vehicle body is slowed down, and the running safety of the vehicle is improved.

3. According to the safety tire for the vehicle and the preparation method thereof, when the vehicle normally runs, a sharp object punctures a steel wire layer to cause tire air leakage, the tire is affected by upward extrusion of the sharp object, when the steel wire layer is damaged, the damaged steel wire punctures a marking pipe upwards, because the marking pipe is filled with the anti-rust oil, and the color of the anti-rust oil is red brown, in the process of continuing running of the vehicle, the tire is in contact with the ground to expand an extrusion hole, so that the anti-rust oil in a liquid storage cavity flows into the marking pipe through the extrusion hole, the anti-rust oil is continuously extruded along with the running of the vehicle wheel during running, the anti-rust treatment is carried out on the broken steel wire, and meanwhile, a marking area is formed on the surface of the tire, so that the puncture position is determined.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic of the main body of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

FIG. 5 is a cross-sectional view of the support body;

FIG. 6 shows a specific preparation method of the present invention.

In the figure: 1. a rim; 2. a carcass; 3. a support body; 31. a buffer plate; 32. a movable cavity; 33. a first telescopic rod; 34. a compression spring; 35. an arc-shaped plate; 36. pushing the plate; 37. an arc-shaped connecting plate; 38. a clamping block; 39. a joining block; 4. a through hole; 41. a ball bearing; 42. a first link; 43. a second link; 44. a third link; 45. a second telescopic rod; 46. pulling a rope; 47. a blocking plate; 5. filling blocks; 51. a hemisphere; 52. an elastic metal mesh; 6. a steel wire layer; 7. marking a tube; 8. a convex strip; 81. a liquid storage cavity; 82. and extruding the hole.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the vehicle safety tire and the preparation method thereof according to the present invention includes a rim 1 and a tire casing 2, a rim portion of the rim 1 is closely attached to a bead portion of the tire casing 2, a support body 3 is fixedly connected to an outer side of the rim 1, a movable cavity 32 is formed inside the support body 3, a first telescopic rod 33 is fixedly connected to one end of the movable cavity 32 close to the rim 1, a compression spring 34 is sleeved to an outer side of the first telescopic rod 33, one end of the compression spring 34 close to the rim 1 is fixedly connected to the support body 3, one end of the first telescopic rod 33 close to the tire casing 2 is fixedly connected to an arc-shaped plate 35, a push plate 36 is fixedly connected to an upper surface of the arc-shaped plate 35, a lower surface of the arc-shaped plate 35 is in contact with one end of the compression spring 34 away from the rim 1, one side of the push plate 36 close to the tire casing 2 is fixedly connected to a buffer plate 31, the buffer board 31 is located at the top of the support body 3, through holes 4 are formed in both sides of the support body 3, the through holes 4 are communicated with the movable cavity 32, the through holes 4 are rotatably provided with uniformly distributed balls 41 on both sides in the vertical direction, the outer side of the rim 1 is hinged with a first connecting rod 42, the first connecting rod 42 is far away from the connection position of the support body 3 and the rim 1, one end of the first connecting rod 42, which is far away from the rim 1, is hinged with a second connecting rod 43, the included angle between the first connecting rod 42 and the second connecting rod 43 is an acute angle, the middle part of the second connecting rod 43 is hinged with a third connecting rod 44, a second telescopic rod 45 is fixedly connected between the hinged position of the first connecting rod 42 and the second connecting rod 43 and the hinged position of the second connecting rod 43 and the third connecting rod 44, one end of the third connecting rod 44, which is far away from the second connecting rod 43, is fixedly connected with the support body 3, the other end of the second connecting rod 43 is fixedly connected with a pull rope 46, the other end of the pull rope 46 is fixedly connected with a blocking plate 47, the blocking plate 47 penetrates through the through hole 4 to be in contact with the push plate 36, a filling block 5 is fixedly connected to a part, close to the contact part of the tire body 2 and the rim 1, inside the tire body 2, of the filling block 5, a hemisphere 51 is fixedly connected to the side face, facing the supporting body 3, of the filling block 5, and the curved surface of the hemisphere 51 is in contact with the joint of the first connecting rod 42 and the second connecting rod 43.

When the vehicle runs, when the tire leaks or is burst during the running process of the vehicle, one side of the vehicle with burst tire sinks rapidly, so that the vehicle shakes violently, and a driver is reminded of the abnormal tire; when a vehicle tire bursts, a wheel hub sinks under the influence of the load of the vehicle, the filling block 5 is influenced by the vehicle sedimentation, one end of the filling block 5, which is far away from the wheel rim 1, moves along the direction of the inner side of the tire body 2 towards the support body 3, when the filling block 5 moves towards the support body 3, the curved surface of the hemisphere 51 is driven to apply an acting force towards the support body 3 to the joint of the first connecting rod 42 and the second connecting rod 43, so that the second connecting rod 43 drives the blocking plate 47 to do arc-shaped motion towards the support body 3 by taking the joint of the second connecting rod 43 and the third connecting rod 44 as an axis, when the first connecting rod 42 drives the second connecting rod 43 to move, the second telescopic rod 44 contracts along with the motion of the second connecting rod 43, the blocking plate 47 is prevented from being blocked when the first connecting rod 42 drives the second connecting rod 43 to move, the blocking plate 47 cannot be drawn out, when the second connecting rod 43 rotates, the pull rope 46 drives the blocking plate 47 to be drawn out from the through hole 4, the resistance of the blocking plate 47 in the through hole 4 is reduced by the rotation of the ball 41 in the through hole 4, and then the blocking plate 47 is drawn out of the through hole 4, the blocking plate 47 mainly plays a role of blocking the compression spring 34, at this time, because the effect of the blocking plate 47 is lost, the compression spring 34 drives the first telescopic rod 33 to push the arc-shaped plate 35 to the top of the movable cavity 32, so that the push plate 36 pushes out the buffer plate 31, the buffer plate 31 pops out before the tire is completely deflated and forms a support in the tire, the sinking speed of the tire is reduced, the running safety is ensured, meanwhile, because the first telescopic rod 33 and the compression spring 34 are arranged at the bottom of the arc-shaped plate 35, when the vehicle runs, the first telescopic rod 33 and the compression spring 34 can reduce the descending speed of the tire after the buffer plate 31 forms a support until the tire is finally loaded through the support body 3, and simultaneously the first telescopic rod 33 and the compression spring 34 can also decompose and buffer the pressure formed by the buffer plate 31, the stiffness of the support body 3 is comparable to the stiffness of a normal running condition of the tyre.

As an embodiment of the invention, the raised strips 8 are fixedly connected inside the tire casing 2 in an evenly distributed manner, one end of the filling block 5 away from the rim 1 is in contact with the curved surface part of the raised strips 8 on the top of the tire casing 2, an elastic metal net 52 is embedded inside the filling block 5, and the main body of the filling block 5 is a thermoplastic elastomer;

when the tire is in operation, the filling blocks 5 are fixedly connected inside the tire body 2, and the filling blocks 5 continuously rub at the connection part of the tire side and the tire top when the tire is in ground contact due to the load of the vehicle during the running process of the vehicle, so that the fixed connection convex strips 8 at the tire top part inside the tire body 2 play a role in reducing friction, prevent the damage of one side of the tire body 2 close to the rim 1 caused by the long-term friction inside the tire body 2, and prolong the service life of the tire; because the filling block 5 is made of synthetic rubber and the elastic metal net 52 is embedded in the filling block, the filling block has good impact resistance and fatigue resistance, the filling block 5 decomposes the pressure of a part of the vehicle body through the rebound force of the elastic metal net 52 in the filling block in the process that the vehicle body is settled due to sudden air leakage of the tire, the settlement speed of the vehicle body is slowed down, the running safety of the vehicle is improved, and meanwhile, the elastic metal net 52 has certain elasticity and can better move along the curved surface of the convex strip 8 in the filling block 5.

As an embodiment of the invention, the supporting body 3 is formed by splicing arc-shaped connecting plates 37, the arc-shaped connecting plates 37 are fixedly connected with each other through clamping blocks 38 and connecting blocks 39, the inner oblique edges of the connecting blocks 39 are contacted with the oblique edges of the arc-shaped connecting plates 37, the outer oblique edges of the connecting blocks 39 are contacted with the oblique edges of the buffer plates 31, the inner diameter of the connecting blocks 39 is the same as the inner diameter of the arc-shaped connecting plates 37, the outer diameter of the connecting blocks 39 is the same as the outer diameter of the buffer plates 31, and the inner sides of the connecting blocks 39 are fixedly connected with the outer sides of the wheel rims 1;

when the supporting body 3 works, the situation that stress among the arc-shaped connecting plates 37 is uneven often occurs when the supporting body 3 runs, because the inner diameter of the connecting block 39 is the same as that of the arc-shaped connecting plates 37, and the outer diameter of the connecting block 39 is the same as that of the buffer plate 31, the connecting among the arc-shaped connecting plates 37 is more compact under the connection of the clamping blocks 38 when the supporting body 3 is stressed, and meanwhile, the connecting block 39 is made of elastic materials, so that the force applied among the arc-shaped connecting plates 37 can be decomposed and buffered, and further, the vehicle can run relatively stably after a tire burst; because the connecting block 39 decomposes and buffers the force to a certain extent, the acting force applied to the hub is reduced, and the service life of the hub is prolonged.

As an embodiment of the invention, a steel wire layer 6 is embedded in the inner part of the tire body 2, a marking pipe 7 is embedded at the tire top part of the tire body 2, and anti-rust oil is filled in the marking pipe 7;

when the vehicle runs normally, a sharp object punctures the steel wire layer 6 to cause tire air leakage and is influenced by upward extrusion of the sharp object, the broken steel wire punctures the marking pipe 7 upwards when the steel wire layer 6 is broken, and the marking pipe 7 is filled with anti-rust oil, the anti-rust oil is red brown in color, and the anti-rust oil is continuously extruded along with running of a wheel during running to perform anti-rust treatment on the broken steel wire, and meanwhile, a mark area is formed on the surface of the tire, so that the puncturing position is determined; meanwhile, one side of the tire burst of the vehicle can sink rapidly after the tire burst, so that the vehicle shakes violently, and meanwhile, in the process that the vehicle continues to run after the tire burst, the vehicle shakes to remind a driver of tire abnormity.

As an embodiment of the present invention, a liquid storage cavity 81 is formed inside the raised line 8, the liquid storage cavity 81 is connected with the marking tube 7 through an extrusion hole 82, and the raised line 8 is uniformly distributed on the top of the tire in the tire body 2; the during operation, when the tire body 2 is punctured to sharp-pointed object, at the in-process that the vehicle continues to travel, make extrusion hole 82 enlarge and then make the rust-preventive oil in the stock solution chamber 81 flow into the mark pipe 7 through extrusion hole 82 through tire and ground contact, along with the continuous contact of tire and ground, the continuous damaged department from the tire body 2 of rust-preventive oil extrudes, prevent that the tire from rubbing rust-preventive oil with ground friction in the vehicle is traveling and falling, make on the tire puncture the position and change and discover, and the rust-preventive oil probably is washed away after the water hole and leads to the unidentifiable puncture position, at this moment because the rust-preventive oil in the stock solution chamber constantly extrudes at the vehicle in-process and can carry out the secondary positioning.

A method for producing a vehicle run-flat tire, which is applied to the one vehicle run-flat tire described above; the preparation method comprises the following steps:

s1: firstly, mixing raw materials for manufacturing a tire after passing the detection, putting the raw materials into a stirrer for heating and stirring, stirring to obtain the required rubber for the tire, tabletting and cutting the produced rubber to produce a tire tread, a tire side raised line and a filling block, adhering the rubber on a steel cord by calendering equipment, and winding the rubber on the tire tread and the tire side according to the specified times to enhance the impact resistance and the toughness of a tire body;

s2: on the basis of S1, putting the tread and the convex strips into a forming machine for assembly, and filling rust-proof oil into the convex strips before assembly and packaging; simultaneously placing the sidewall and the filling block on a forming machine for assembly; after the assembly is finished, putting the tire tread and the tire side part into the forming machine again for assembly; finally, the assembled semi-finished carcass is conveyed into a vulcanizing machine, the carcass is installed on the vulcanizing machine for chemical processing, and the chemical processing is carried out in a mold for about 40 minutes, so that the finished carcass is vulcanized;

s3, firstly, connecting the blocking plate with the arc-shaped connecting plate through the through hole, blocking the compression spring from popping up, connecting the blocking plate with the pull rope on the second connecting rod, simultaneously connecting the second connecting rod with the third connecting rod, and then assembling the arc-shaped connecting plate and the connecting block through a clamping block in the tire body until the support part is assembled;

and S4, on the basis of S3, connecting the first connecting rod with the second connecting rod, fixedly connecting the arc-shaped connecting plate and the connecting block with a contact part on a rim through bolts, clamping the rim part of the rim and the tire bead part of the tire body to enable the rim and the tire bead part to be tightly attached, and finally driving air into the tire body until the tire is assembled.

The specific working mode is as follows:

the filling block 5 is influenced by vehicle sedimentation, one end of the filling block 5 far away from the rim 1 moves along the direction of the inner side of the tire body 2 towards the support body 3, when the filling block 5 moves towards the support body 3, the curved surface of the hemisphere 51 is driven to apply acting force towards the support body 3 to the joint of the first connecting rod 42 and the second connecting rod 43, so that the second connecting rod 43 drives the blocking plate 47 to do arc motion towards the support body 3 by taking the joint with the third connecting rod 44 as an axis, when the first connecting rod 42 drives the second connecting rod 43 to move, the second telescopic rod 44 contracts along with the motion of the second connecting rod 43, the blocking plate 47 is prevented from being blocked when the first connecting rod 42 drives the second connecting rod 43 to move, the blocking plate 47 cannot be drawn out, when the second connecting rod 43 rotates, the pulling rope 46 drives the blocking plate 47 to be drawn out from the through hole 4, and the resistance of the blocking plate 47 in the through hole 4 is reduced by the rotation of the ball 41 in the through hole 4, the blocking plate 47 is further pulled out of the through hole 4, the blocking plate 47 mainly plays a role of blocking the compression spring 34, at the moment, the compression spring 34 drives the first telescopic rod 33 to push the arc-shaped plate 35 to the top of the movable cavity 32 due to the loss of the effect of the blocking plate 47, and the pushing plate 36 pushes the buffer plate 31 out;

when the support body 3 runs, the situation that the stress between the arc-shaped connecting plates 37 is uneven often occurs, because the inner diameter of the connecting block 39 is the same as that of the arc-shaped connecting plates 37, and the outer diameter of the connecting block 39 is the same as that of the buffer plate 31, the connection between the arc-shaped connecting plates 37 is tighter under the connection of the clamping blocks 38 when the support body 3 is stressed, and meanwhile, the connecting block 39 is made of an elastic material, so that the stress between the arc-shaped connecting plates 37 can be decomposed and buffered;

the steel wire layer 6 is punctured by a sharp object to cause tire air leakage, the tire is affected by upward extrusion of the sharp object, the marking pipe 7 is upward punctured by the damaged steel wire when the steel wire layer 6 is damaged, because the marking pipe 7 is filled with the anti-rust oil, and the color of the anti-rust oil is reddish brown, in the process of continuously driving the vehicle, the tire is in contact with the ground to enlarge the extrusion hole 82, so that the anti-rust oil in the liquid storage cavity 81 flows into the marking pipe 7 through the extrusion hole 82, and the anti-rust oil is continuously extruded along with the driving of the wheel.

In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.