阅读说明：本技术 一种汽车轮胎主动限速装置 (Automobile tire initiative speed limiting device ) 是由 周浩 于 2021-06-02 设计创作，主要内容包括：本发明公开一种汽车轮胎主动限速装置,包括胎面,所述胎面的内表面固定连接有轮毂,所述轮毂的内部固定连接有齿轮盘,所述齿轮盘与轮毂转动连接,所述齿轮盘的外表面开设有进风口,所述进风口的正面转动连接有压板。该汽车轮胎主动限速装置,通过在轮毂的内部安装制动机构,当行车电脑检测到制动无响应时,压板向齿轮盘靠近,顶块将进风口打开,外界的冷风从传动轴的外表面流入,由于传动轴和外界胎面一起转动,所以冷风在橡胶挡块的挤压下多段挤入气动机构内部,外界空气在为气动机构提供动力的同时也为汽车本身的刹车盘提供冷却效果,在辅助刹车的同时也在缩短刹车盘的相应时间,解决了传统汽车刹车片过热容易导致刹车失灵的问题。(The invention discloses an automobile tire active speed limiting device which comprises a tire tread, wherein a wheel hub is fixedly connected to the inner surface of the tire tread, a gear disc is fixedly connected to the inner part of the wheel hub, the gear disc is rotatably connected with the wheel hub, an air inlet is formed in the outer surface of the gear disc, and a pressing plate is rotatably connected to the front side of the air inlet. This automobile tire initiative speed limiting device, through the internally mounted arrestment mechanism at wheel hub, when the driving computer detects the braking and does not respond to, the clamp plate is close to the toothed disc, the kicking block is opened the air intake, external cold wind flows in from the surface of transmission shaft, because transmission shaft and external tread rotate together, so cold wind is inside the pneumatic mechanism is crowded into to the multistage under the extrusion of rubber dog, outside air also provides the cooling effect for the brake disc of car itself when providing power for pneumatic mechanism, also be shortening the corresponding time of brake disc in the auxiliary brake, the problem that traditional car brake block is overheated to lead to the brake failure easily has been solved.)

1. The utility model provides an automobile tire initiative speed limiting device, includes tread (1), its characterized in that: the utility model discloses a tire tread, including tire tread (1), internal surface fixedly connected with wheel hub (2), the inside fixedly connected with toothed disc (3) of wheel hub (2), toothed disc (3) rotate with wheel hub (2) and are connected, air intake (4) have been seted up to the surface of toothed disc (3), the front of air intake (4) is rotated and is connected with clamp plate (5), the back fixedly connected with kicking block (6) of clamp plate (5), the lower surface of kicking block (6) contacts with the surface of air intake (4) the inside swing joint of toothed disc (3) has arrestment mechanism (10), the bottom of arrestment mechanism (10) is provided with transmission shaft (11), arrestment mechanism (10) encircle around transmission shaft (11).

2. The active speed limiting device for the automobile tire according to claim 1, characterized in that: brake mechanism (10) are including cusp braking plate (20), the lower surface swing joint of cusp braking plate (20) has briquetting (21), the right side swing joint of briquetting (21) has splint (22), the left surface of splint (22) rotates and is connected with bracing piece (23), the lower surface welding of bracing piece (23) has stopper (24), the bottom of stopper (24) is provided with bent plate (25), the upper surface of bent plate (25) and the lower fixed surface of splint (22) are connected, the bottom of bent plate (25) rotates and is connected with rubber dog (26), the lower surface of rubber dog (26) and the fixed surface of transmission shaft (11) are connected, rubber dog (26) encircle around transmission shaft (11).

3. The active speed limiting device for the automobile tire according to claim 2, characterized in that: the top swing joint of rubber dog (26) has pneumatic mechanism (27), pneumatic mechanism (27) are located between two splint (22), the top swing joint of pneumatic mechanism (27) has locking mechanical system (28), locking mechanical system (28) are coaxial and collineation with pneumatic mechanism (27).

4. The active speed limiting device for the automobile tire according to claim 3, characterized in that: the pneumatic mechanism (27) comprises a sleeve (30), the outer surface of the sleeve (30) is rotatably connected with the left end of the supporting rod (23), the inner surface of the sleeve (30) is connected with a piston plate (31) in a sliding way, the upper surface of the piston plate (31) is fixedly connected with a push-pull rod (32), two sides of the sleeve (30) are rotationally connected with a telescopic rod (34) through a movable shaft (33), the outer surface of the movable shaft (33) is rotationally connected with the outer surface of the sleeve (30), the outer surface of the movable shaft (33) is fixedly connected with the left end of the telescopic rod (34), an extension spring (35) is fixedly connected in the wall of the telescopic rod (34), a clamping ball (36) is fixedly connected at the right end of the telescopic rod (34), the back of card ball (36) is provided with spacing dish (37), the surface of spacing dish (37) and the surface welding of sleeve (30).

5. The active speed limiting device for the automobile tire according to claim 3, characterized in that: the locking mechanism (28) comprises a connecting plate (40), a thrust spring (41) is fixedly connected to the lower surface of the connecting plate (40), the inner surface of the thrust spring (41) is movably connected with the outer surface of a push-pull rod (32), the top end of the push-pull rod (32) penetrates through the inner cavity of the connecting plate (40), the upper surface of the connecting plate (40) is rotatably connected with a rotating clamping block (42), fixing rods (43) are fixedly connected to two sides of the rotating clamping block (42), the top end of each fixing rod (43) is fixedly connected with the outer surface of a pressing block (21), a sealing strip (44) is fixedly connected to the left side of each fixing rod (43), a vacuum bin (45) is fixedly connected to the lower surface of each sealing strip (44), a sealing ball (46) is clamped to the left side of the vacuum bin (45), and a thimble (47) is movably connected to the bottom of the sealing ball (46), the lower surface of the thimble (47) is fixedly connected with the top end of the push-pull rod (32).

6. The active speed limiting device for the automobile tire according to claim 4, characterized in that: the telescopic link (34) is divided into two parts by extension spring (35) degree of consistency etc. the back of telescopic link (34) and the front fixed connection of bracing piece (23), the radius of card ball (36) on telescopic link (34) top equals the groove depth of spacing dish (37).

Technical Field

The invention relates to the technical field of automobile parts, in particular to an automobile tire active speed limiting device.

Background

Automobile tire is as car action, turn to and absorbing spare part, the safety class requirement is very high, the stopper of traditional car is mostly all installed inside wheel hub, generally divide into drum brake, disc brake and drum disc dual brake, these three kinds of braking methods respectively have an advantage, but no matter which kind of braking method all can produce a large amount of heats when braking, lead to the brake block overheated, the overheated probability that can increase the brake failure of brake block, and, when the brake is out of order, trample repeatedly and also can bring load for braking system, the emergency braking of taking under the emergency can the automobile body unbalanced stress simultaneously, cause easily turning on one's side, cause the impact to the human body.

Disclosure of Invention

The invention aims to provide an automobile tire active speed limiting device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automobile tire initiative speed limiting device, includes the tread, the internal surface fixedly connected with wheel hub of tread, wheel hub's inside fixedly connected with toothed disc, toothed disc rotates with wheel hub to be connected, the air intake has been seted up to toothed disc's surface, the front of air intake rotates and is connected with the clamp plate, the back fixedly connected with kicking block of clamp plate, the lower surface of kicking block contacts with the surface of air intake the inside swing joint of toothed disc has arrestment mechanism, arrestment mechanism's bottom is provided with the transmission shaft, arrestment mechanism encircles around the transmission shaft.

Preferably, the brake mechanism includes dentate braking plate, the lower surface swing joint of dentate braking plate has the briquetting, the right side swing joint of briquetting has splint, the left surface of splint rotates and is connected with the bracing piece, the lower surface welding of bracing piece has the stopper, the bottom of stopper is provided with the bent plate, the upper surface of bent plate and the fixed surface of splint are connected, the bottom of bent plate rotates and is connected with the rubber dog, the lower surface of rubber dog and the fixed surface of transmission shaft are connected, the rubber dog encircles around the transmission shaft.

Preferably, the top of the rubber stopper is movably connected with a pneumatic mechanism, the pneumatic mechanism is located between the two clamping plates, the top of the pneumatic mechanism is movably connected with a locking mechanism, and the locking mechanism and the pneumatic mechanism are coaxial and collinear.

Preferably, pneumatic mechanism includes the sleeve, telescopic surface rotates with the left end of bracing piece to be connected, telescopic internal surface sliding connection has the piston plate, the last fixed surface of piston plate is connected with the push-and-pull rod, telescopic both sides are rotated through the loose axle and are connected with the telescopic link, the surface and the telescopic surface of loose axle rotate to be connected, the surface and the left end fixed connection of telescopic link of loose axle, fixedly connected with extension spring in the wall of telescopic link, the right-hand member fixedly connected with card ball of telescopic link, the back of card ball is provided with spacing dish, the surface and the telescopic surface welding of spacing dish.

Preferably, the locking mechanism includes a connecting plate, a thrust spring is fixedly connected to a lower surface of the connecting plate, an inner surface of the thrust spring is movably connected to an outer surface of the push-pull rod, an inner cavity of the connecting plate is penetrated through a top end of the push-pull rod, a rotating fixture block is rotatably connected to an upper surface of the connecting plate, fixing rods are fixedly connected to two sides of the rotating fixture block, a top end of each fixing rod is fixedly connected to an outer surface of the corresponding pressing block, a sealing strip is fixedly connected to a left side of each fixing rod, a vacuum chamber is fixedly connected to a lower surface of each sealing strip, a sealing ball is clamped to a left side of each vacuum chamber, a thimble is movably connected to the bottom of each sealing ball, and a lower surface of each thimble is fixedly connected to a top end of the push-pull rod.

Preferably, the telescopic link is divided into two parts by the extension spring degree of consistency etc., the back of telescopic link and the front fixed connection of bracing piece, the radius of the card ball on telescopic link top equals the groove depth of spacing dish.

The invention provides an automobile tire active speed limiting device. The method has the following beneficial effects:

(1) according to the invention, the brake mechanism is arranged in the wheel hub, when the traveling computer detects that the brake does not respond, the pressure plate approaches to the gear disc, the air inlet is opened by the ejector block, external cold air flows in from the outer surface of the transmission shaft, and the transmission shaft and the external tire tread rotate together, so that the cold air is extruded into the pneumatic mechanism in multiple sections under the extrusion of the rubber stopper, the external air provides power for the pneumatic mechanism and also provides a cooling effect for the brake disc of the automobile, the corresponding time of the brake disc is shortened while the brake is assisted, and the problem that the brake is easy to fail due to the overheating of the traditional automobile brake pad is solved.

(2) The invention installs a locking mechanism in the brake mechanism, when the air inlet is opened, a working principle similar to a vacuum pump is formed between a rubber stop block and a bent plate, the rubber stop block presses air into the bottom of a piston plate, a pneumatic mechanism works, a support rod swings downwards, the included angle of the bent plate is reduced, the air flow rate is increased, a push-pull rod pushes up gradually, a fixed rod pushes a pressing block to move upwards, a tooth-shaped brake plate is meshed with the inner surface of a gear disc under the action of centrifugal force and the thrust of the pressing block, when the air pressure reaches the friction force applied to the thrust spring, the thrust spring is released, the ejector pin is pushed to move upwards under the combined action of the spring force and the gas thrust, the ejector pin pushes out a sealing ball, a sealing strip is communicated with the outside, the volume of the vacuum chamber is reduced, the lock mechanism is locked, the pressure value of the tooth-shaped brake plate to the gear disc is maximum, and the speed is reduced suddenly after the vehicle speed is reduced slowly at uniform speed in the early stage, when shortening braking distance, the impact that inside personnel received is minimize, through air pressure control braking effect, and it is great that inside personnel receive the impact when having solved traditional car emergency braking, and the vehicle takes place the problem of turning on one's side easily.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic structural view of the braking mechanism of the present invention;

FIG. 4 is a schematic view of the pneumatic mechanism of the present invention;

FIG. 5 is a schematic view of the locking mechanism of the present invention.

In the figure: 1. a tread; 2. a hub; 3. a gear plate; 4. an air inlet; 5. pressing a plate; 6. a top block; 10. a brake mechanism; 11. a drive shaft; 20. a toothed braking plate; 21. briquetting; 22. a splint; 23. a support bar; 24. a limiting block; 25. bending a plate; 26. a rubber stopper; 27. a pneumatic mechanism; 28. a locking mechanism; 30. a sleeve; 31. a piston plate; 32. a push-pull rod; 33. a movable shaft; 34. a telescopic rod; 35. an extension spring; 36. blocking the ball; 37. a limiting disc; 40. a connecting plate; 41. a thrust spring; 42. rotating the clamping block; 43. fixing the rod; 44. a sealing strip; 45. a vacuum bin; 46. a sealing ball; 47. and (4) a thimble.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: an automobile tire active speed limiting device comprises a tire tread 1, wherein a hub 2 is fixedly connected to the inner surface of the tire tread 1, a gear disc 3 is fixedly connected to the inner part of the hub 2, the gear disc 3 is rotatably connected with the hub 2, an air inlet 4 is formed in the outer surface of the gear disc 3, a pressure plate 5 is rotatably connected to the front surface of the air inlet 4, a top block 6 is fixedly connected to the back surface of the pressure plate 5, a braking mechanism 10 is movably connected to the inner part, contacting the lower surface of the top block 6 and the outer surface of the air inlet 4, of the gear disc 3, a transmission shaft 11 is arranged at the bottom of the braking mechanism 10, the braking mechanism 10 surrounds the transmission shaft 11, the braking mechanism 10 is arranged in the hub 2, when a traveling computer detects that braking does not respond, the pressure plate 5 approaches the gear disc 3, the top block 6 opens the air inlet 4, external cold air flows in from the outer surface of the transmission shaft 11, and rotates together with the external tire tread 1, therefore, cold air is extruded into the pneumatic mechanism 27 in multiple sections under the extrusion of the rubber stopper 26, the outside air provides cooling effect for the brake disc of the automobile when providing power for the pneumatic mechanism 27, the corresponding time of the brake disc is shortened when the auxiliary brake is performed, and the problem that the brake is failed due to the fact that the traditional automobile brake pad is overheated easily is solved.

Arrestment mechanism 10 includes dentate braking plate 20, the lower surface swing joint of dentate braking plate 20 has briquetting 21, the right side swing joint of briquetting 21 has splint 22, the left surface of splint 22 rotates and is connected with bracing piece 23, the lower skin weld of bracing piece 23 has stopper 24, stopper 24's bottom is provided with bent plate 25, the upper surface of bent plate 25 and splint 22's lower fixed surface are connected, the bottom of bent plate 25 rotates and is connected with rubber dog 26, the lower surface of rubber dog 26 and the outer fixed surface of transmission shaft 11 are connected, rubber dog 26 encircles around transmission shaft 11.

The top of the rubber stopper 26 is movably connected with a pneumatic mechanism 27, the pneumatic mechanism 27 is positioned between the two clamping plates 22, the top of the pneumatic mechanism 27 is movably connected with a locking mechanism 28, and the locking mechanism 28 and the pneumatic mechanism 27 are coaxial and collinear.

Pneumatic mechanism 27 includes sleeve 30, the surface of sleeve 30 rotates with the left end of bracing piece 23 to be connected, the internal surface sliding connection of sleeve 30 has piston plate 31, the last fixed surface of piston plate 31 is connected with push-and-pull rod 32, the both sides of sleeve 30 rotate through loose axle 33 and are connected with telescopic link 34, the surface of loose axle 33 rotates with the surface of sleeve 30 to be connected, the surface of loose axle 33 and the left end fixed connection of telescopic link 34, fixedly connected with extension spring 35 in the wall of telescopic link 34, the right-hand member fixedly connected with card ball 36 of telescopic link 34, the back of card ball 36 is provided with spacing dish 37, the surface of spacing dish 37 and the outer surface welding of sleeve 30.

The locking mechanism 28 comprises a connecting plate 40, a thrust spring 41 is fixedly connected to the lower surface of the connecting plate 40, the inner surface of the thrust spring 41 is movably connected with the outer surface of the push-pull rod 32, the top end of the push-pull rod 32 penetrates through the inner cavity of the connecting plate 40, a rotating clamping block 42 is rotatably connected to the upper surface of the connecting plate 40, fixing rods 43 are fixedly connected to the two sides of the rotating clamping block 42, the top end of each fixing rod 43 is fixedly connected with the outer surface of the pressing block 21, a sealing strip 44 is fixedly connected to the left side of each fixing rod 43, a vacuum chamber 45 is fixedly connected to the lower surface of each sealing strip 44, a sealing ball 46 is clamped to the left side of each vacuum chamber 45, a thimble 47 is movably connected to the bottom of each sealing ball 46, the lower surface of the thimble 47 is fixedly connected with the top end of the push-pull rod 32, and when the air inlet 4 is opened, the locking mechanism 28 is installed inside the brake mechanism 10, so that a vacuum pump-like working principle is formed between the rubber stopper 26 and the bent plate 25, the rubber stopper 26 presses air into the bottom of the piston plate 31, the pneumatic mechanism 27 works, the support rod 23 swings downwards, the included angle of the bent plate 25 is reduced, the air flow rate is increased, the push-pull rod 32 pushes up gradually, the fixed rod 43 pushes the press block 21 to move upwards, the toothed brake plate 20 is meshed with the inner surface of the gear disc 3 under the action of centrifugal force and the thrust of the press block 21, when the air pressure reaches the friction force applied to the thrust spring 41, the thrust spring 41 is released, the ejector pin 47 is pushed to move upwards under the combined action of spring force and air thrust, the ejector pin 47 pushes the sealing ball 46 out, the sealing strip 44 is communicated with the outside, the volume of the vacuum chamber 45 is reduced, the locking mechanism 28 is locked, the pressure value of the toothed brake plate 20 to the gear disc 3 is the largest, the speed is reduced suddenly after the vehicle speed is reduced slowly at a constant speed at an early stage, the impact received by internal personnel is reduced as much as possible while the braking distance is shortened, and the braking effect is controlled by the air pressure, the problem of inside personnel receive the impact great when traditional car emergency braking, and the vehicle takes place to turn on one's side easily is solved.

The telescopic rod 34 is equally divided into two parts by the uniformity of the extension spring 35, the back surface of the telescopic rod 34 is fixedly connected with the front surface of the support rod 23, and the radius of a clamping ball 36 at the top end of the telescopic rod 34 is equal to the groove depth of the limiting disc 37.

The working principle is as follows: when the brake device is used, when a traveling computer detects that a brake does not respond, the pressing plate 5 approaches the gear disc 3, the ejector block 6 opens the air inlet 4, external cold air flows in from the outer surface of the transmission shaft 11, the transmission shaft 11 and the external tire tread 1 rotate together, so the cold air is extruded into the pneumatic mechanism 27 in multiple sections under the extrusion of the rubber stopper 26, the external air provides power for the pneumatic mechanism 27 and also provides a cooling effect for the brake disc of an automobile, the corresponding time of the brake disc is shortened while the brake is assisted, when the air inlet 4 is opened, a working principle similar to a vacuum pump is formed between the rubber stopper 26 and the bent plate 25, the rubber stopper 26 presses the air into the bottom of the piston plate 31, the pneumatic mechanism 27 works, the supporting rod 23 swings downwards, the included angle of the bent plate 25 is reduced, the air flow rate is increased, the push-pull rod 32 pushes up gradually, and the fixed rod 43 pushes the pressing block 21 to move upwards, the dentate brake plate 20 receives centrifugal force and the thrust action of briquetting 21 and the internal surface meshing of toothed disc 3, when atmospheric pressure reached the frictional force that thrust spring 41 received, thrust spring 41 releases, spring force and gaseous thrust combined action promote thimble 47 upward movement, thimble 47 releases sealing ball 46, sealing strip 44 communicates with the external world, vacuum chamber 45 volume reduction, locking mechanical system 28 deadlocking, the great way of pressure value of dentate brake plate 20 to toothed disc 3 is the biggest, the speed drops precipitously after the slow at the uniform velocity reduction of speed in the early stage, when shortening braking distance, the impact that inside personnel received as far as possible reduces, through air pressure control braking effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.