A roof auxiliary deceleration device capable of preventing rear-end collision

Abstract

The present invention relates to the technical field of vehicle safety equipment, and provides a roof auxiliary deceleration device capable of preventing rear-end collision, comprising: a roof panel and a skylight; a buffer umbrella, located behind the skylight, for buffering and assisting the vehicle to stop, and an obliquely installed limiting cylinder is provided at the upper end of the roof panel for installing the buffer umbrella, and a first connecting rope is provided inside for connecting the buffer umbrella. The present invention can push out the buffer umbrella through the limiting disk to make it separate from the limiting cylinder when encountering danger through an electric push rod, at which time the first connecting rope and the anti-fall rope are respectively rotated and released outside the storage winding roller and the conical winding roller, and then the wind force is guided by the skylight to make the buffer umbrella expand and bulge, and at this time, the resistance of the buffer umbrella to the wind can be used to increase the resistance to the movement of the roof panel, so that the vehicle can be stopped in an emergency braking situation, and the vehicle can be stopped directly with the front vehicle to avoid expansion to ensure the safety of the vehicle body and personnel, and the anti-fall rope can be automatically reversed and recovered by the electric turner when the anti-fall rope is released to the maximum length, and the buffer umbrella can be driven to be recovered to prevent it from falling outside and affecting the normal driving of other vehicles.

Description

Technical Field

[0001] The present invention relates to the field of vehicle safety equipment, and more specifically, to a roof auxiliary speed reduction device capable of preventing rear-end collision. Background Art

[0002] With the popularization of automobiles, automobile traffic accidents are also gradually increasing. Especially on highways, cars are running at high speeds. When traffic accidents occur, it is easy to cause a chain collision, causing serious casualties. At the same time, it is easy to cause traffic jams, seriously affecting the passage of passing vehicles, and causing great pressure on traffic. Highway traffic accidents can be regarded as a serious disease of the transportation network. If vehicles can make timely judgments and take corresponding measures when they are in danger, the incidence of accidents such as rear-end collisions can be greatly reduced;

[0003] At present, most of the anti-rear-end collision devices used in the market are signboards or auxiliary buffer devices installed at the front and rear ends of the car. However, when they are used, the signboards can only remind the car owners at a fixed position, and the buffer structures at the front and rear of the vehicle can only buffer when a collision occurs, and there is still a collision that affects the safety of the vehicle itself;

[0004] In order to solve the above problems, the present application proposes a roof auxiliary speed reduction device that can prevent rear-end collisions. Summary of the invention

[0005] The purpose of the present invention is to provide a roof auxiliary speed reduction device capable of preventing rear-end collision, so as to solve the problems in the prior art.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A roof-mounted auxiliary deceleration device capable of preventing rear-end collisions comprises: a roof panel and a skylight; a buffer umbrella, located behind the skylight, for buffering and assisting the vehicle in braking; an obliquely installed limiting cylinder is provided at the upper end of the roof panel for installing the buffer umbrella, and a first connecting rope is provided inside the limiting cylinder for connecting the buffer umbrella; an electric push rod is located inside the limiting cylinder, and a limiting plate is provided at the upper end for automatically ejecting the buffer umbrella; a side cylinder is located below the limiting cylinder, and an anti-fall rope is provided inside the side cylinder for preventing the buffer umbrella from being overstressed and breaking free; a mounting seat is provided at the upper end of the roof panel for installing a fixing seat below the limiting cylinder, and the fixing seat is slidably mounted inside the mounting seat through a hook plate on one side.

[0008] Furthermore, the limiting cylinder is provided with a winding roller through an inner convex ring at the lower end, which is used to wind and store the first connecting rope, and the lower end of the storage winding roller is provided with a positioning plate for preventing the first connecting rope from being scattered.

[0009] Furthermore, an inner support rod is provided at the upper end of the inner convex ring and is located inside the hollow cavity of the winding roller, and a through hole is opened at the upper end of the storage winding roller.

[0010] Furthermore, a positioning protrusion is provided at the lower end of the inner support rod and is rotatably mounted in a positioning ring groove inside the lower end of the positioning plate.

[0011] Furthermore, a conical winding roller is provided inside the side cylinder for storing the anti-fall rope, and the lower end of the conical winding roller is an inwardly inclined structure. The side cylinder drives the conical winding roller to rotate through an electric motor at the bottom.

[0012] Furthermore, a connecting sleeve is provided on one side of the upper end of the side tube and is communicated with the limiting tube, and a connecting seat is provided on one side of the lower end of the side tube and is fixedly connected to the limiting tube.

[0013] Furthermore, a cover plate is provided at the front end of the limiting cylinder, and an elastic protrusion is provided through the inner boss to seal the upper end gap of the limiting cylinder. A side hole is opened on one side of the upper end of the limiting cylinder, and a second connecting rope is provided inside to connect to the boss.

[0014] Furthermore, a storage groove for hiding the mounting seat is provided on one side of the upper end of the roof panel, and folding curtain plates are provided at both ends of the storage groove.

[0015] Furthermore, a storage groove for storing the mounting seat is opened on one side of the upper end of the roof panel, and folding curtain plates are arranged at both ends of the storage groove.

[0016] Furthermore, a positioning screw is provided inside one end of the roof panel for fixing the mounting base inside the storage slot, a positioning threaded hole connected to the upper end of the storage slot is provided inside one end of the roof panel, extension slots for installing a folding curtain plate are provided at both ends of the storage slot, and sliding slots for sliding connection of the side top panel are provided at both ends of the extension slot.

[0017] Furthermore, the folding curtain plate is installed on the side plate, and a telescopic connecting rod is provided inside, a return spring is wound around the outer side of the telescopic connecting rod, and protruding side top plates are provided at both ends of the side plate.

[0018] Beneficial effects of the present invention:

[0019] 1. The present invention can use an electric push rod to push out the buffer umbrella through the limit plate to make it separate from the limit cylinder when encountering danger. At this time, the first connecting rope and the anti-fall rope are respectively rotated and released outside the storage winding roller and the conical winding roller, and then the buffer umbrella can be expanded and bulged after the wind force is guided by the skylight. At this time, the resistance of the buffer umbrella to the wind can increase the resistance to the movement of the roof plate, so that the vehicle can be stopped in an emergency braking situation, avoiding direct expansion with the front vehicle to ensure the safety of the vehicle body and personnel. At the same time, the anti-fall rope can be automatically reversed by the electric turn when it is released to the maximum length to retract the anti-fall rope. At this time, the buffer umbrella can be driven to be retracted to prevent it from falling outside and affecting the normal driving of other vehicles;

[0020] 2. The present invention provides a mounting seat at the upper end of the roof panel, and after the positioning screw is rotated to release the limit on the mounting seat, the reset spring is used to drive the mounting seat to automatically pop out so that the side top plate is against the upper end of the slide groove. At this time, the limiting cylinder can be directly pushed to make the lower end of the hook plate slide and be installed inside the mounting seat. At this time, the upper and lower ends of the fixing seat are connected and fixed by bolts to complete the installation. The operation is simple and the limiting cylinder can be conveniently installed on different vehicles for use. It can also be disassembled and repaired by itself after use for the convenience of next use. Finally, the positioning screw is used to limit the mounting seat so that the upper end surface of the mounting seat can be flush with the roof panel when the mounting seat is stored, ensuring the aesthetics so that the owner can choose to disassemble and assemble according to the actual situation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the overall appearance of the present invention;

[0023] Figure 2 for Figure 1 A schematic diagram of the structure of the upper part of the roof panel and the inner part of the buffer umbrella;

[0024] Figure 3 for Figure 1 Schematic diagram of the internal structure of the limiting cylinder and the side cylinder;

[0025] Figure 4 for Figure 1 A schematic diagram of the structure of the connection between the cover plate and the limiting cylinder;

[0026] Figure 5 for Figure 2 A schematic diagram of the exploded structure of the hook plate and the mounting base;

[0027] Figure 6 for Figure 1 A schematic diagram of the structure of the connection between the mounting seat and the roof panel;

[0028] Figure 7 for Figure 1 Schematic diagram of the internal structure of the side tube;

[0029] Figure 8 for Figure 3 A schematic diagram of the internal structure of the storage winding roller in the exploded state; DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] Please refer to Figure 1-3 : A roof auxiliary deceleration device capable of preventing rear-end collision, comprising: a roof panel 1 and a skylight 2;

[0032] The buffer umbrella 3 is located behind the sunroof and is used to buffer and assist the vehicle in stopping. The upper end of the roof panel 1 is provided with an obliquely installed limiting cylinder 4 for installing the buffer umbrella 3, and a first connecting rope 41 is provided inside for connecting the buffer umbrella 3;

[0033] The electric push rod 42 is located inside the limiting cylinder 4, and a limiting plate 43 is provided on the upper end thereof for automatically ejecting the buffer umbrella 3;

[0034] The side tube 5 is located below the limiting tube 4 and is provided with an anti-falling rope 51 for preventing the cushion umbrella 3 from being overstressed and breaking free;

[0035] A mounting seat 8 is provided at the upper end of the roof panel 1 for mounting a fixing seat 7 below the limiting cylinder 4 . The fixing seat 7 is slidably mounted inside the mounting seat 8 via a hook plate 71 on one side.

[0036] In specific implementation, by installing a distance sensor and a vehicle speed calculation mechanism in the vehicle, it is possible to automatically determine whether a rear-end collision will occur based on the braking distance and the distance between the vehicle in front at different vehicle speeds, and then start the electric push rod 42 to make a pushing action so that the buffer umbrella 3 can be disengaged in time for buffering, and at the same time as starting the electric push rod 42, start the rotary switch of the sunroof 2 so that its rear end can be rotated upward to open. It needs to be further explained that the distance sensor and vehicle speed calculation mechanism here are both known existing technologies on the market and will not be elaborated here.

[0037] Please continue reading Figure 3 : The limiting cylinder 4 is provided with a winding roller 45 through the inner convex ring 44 at the lower end, which is used to wind and store the first connecting rope 41. The lower end of the storage winding roller 45 is provided with a positioning plate 451 for preventing the first connecting rope 41 from being scattered. The storage winding roller 45 can be manually rotated to recycle the first connecting rope 41 after the buffer umbrella 3 is used. The structure is simple and can be restored by self-operation without the need for maintenance personnel.

[0038] Please continue reading Figure 3And 8: An inner support rod 452 is provided at the upper end of the inner convex ring 44, which is located inside the hollow cavity of the winding roller 45. A through hole 455 is opened at the upper end of the winding roller 45. The through holes 455 are set in multiple places in the overall equipment, all of which are used to pass the first connecting rope 41 or the anti-fall rope 51.

[0039] Please continue reading Figure 8 : A positioning protrusion 453 is rotatably mounted on a positioning ring groove 454 inside the lower end of the positioning plate 451 at the lower end of the inner support rod 452. The rotatable connection between the positioning protrusion 453 and the positioning ring groove 454 can drive the first connecting rope 41 to be automatically released when the buffer umbrella 3 is released.

[0040] Please continue reading Figure 3 : A conical winding roller 52 is provided inside the side tube 5 for storing the anti-fall rope 51. The lower end of the conical winding roller 52 is an inwardly inclined structure. The side tube 5 drives the conical winding roller 52 to rotate through the electric motor 53 at the bottom. The length of the anti-fall rope 51 is slightly longer than the first connecting rope 41. When the anti-fall rope 51 breaks, it can be extended to trigger the switch of the electric motor 53 to recover the anti-fall rope 51 and the buffer umbrella 3.

[0041] Please continue reading Figure 3 And 7: A connecting sleeve 54 is provided on one side of the upper end of the side tube 5 and is connected to the limiting tube 4. A connecting seat 55 is provided on one side of the lower end of the side tube 5 and is fixedly connected to the limiting tube 4. The limiting tube 4 and the upper and lower ends of the side tube 5 are split structures and are connected and fixed by bolts.

[0042] Please continue reading Figure 4 : A cover plate 6 is provided at the front end of the limiting cylinder 4, and an elastic protrusion 64 is provided through the inner boss 61 for sealing the upper end gap of the limiting cylinder 4. A side hole 62 is opened on one side of the upper end of the limiting cylinder 4, and a second connecting rope 63 is provided inside to connect to the boss 61. When the buffer umbrella 3 is ejected, the cover plate 6 can be automatically pushed out, and the second connecting rope 63 is used to place it on the outside of the limiting cylinder 4. The elastic protrusion 64 is used to limit the cover plate 6, and can also fill the gap to prevent impurities such as rainwater from entering the interior and affecting the overall service life.

[0043] Please continue reading Figure 5 A storage groove 81 for hiding the mounting seat 8 is provided on one side of the upper end of the roof panel 1, and folding curtain plates 82 are provided at both ends of the storage groove 81. The folding curtain plates 82 are used to drive the mounting seat 8 to automatically adapt to different usage positions.

[0044] Please continue reading Figure 5 and Figure 6: A positioning screw 811 is provided inside one end of the roof panel 1 for fixing the mounting seat 8 inside the receiving groove 81; a positioning threaded hole 812 connected to the upper end of the receiving groove 81 is provided inside one end of the roof panel 1; extension grooves 813 for installing the folding curtain plate 82 are provided at both ends of the receiving groove 81; sliding grooves 814 for sliding connection of the side top plate 824 are provided at both ends of the extension groove 813; when the mounting seat 8 is located at the upper end of the roof panel 1 or inside the receiving groove 81, the positioning screw 811 can be received inside the positioning threaded hole 812 to prevent it from being exposed to the outside and affecting the appearance.

[0045] Please continue reading Figure 6 : The folding curtain plate 82 is installed on the side plate 821, and a telescopic connecting rod 822 is provided inside. A return spring 823 is wound around the outer side of the telescopic connecting rod 822. Both ends of the side plate 821 are provided with protruding side top plates 824. The side top plates 824 are used to increase the pulling force of the roof plate 1 on the mounting seat 8 to avoid loosening when the buffer umbrella 3 is subjected to force.

[0046] The working principle of the present invention is:

[0047] The present invention installs a limiting cylinder 4 at the upper end of the roof panel 1, and utilizes an electric push rod 42 disposed inside the limiting cylinder 4 to push out the buffer umbrella 3 stored inside the limiting cylinder 4 through the limiting plate 43 at the end thereof to make it detach when encountering danger. At this time, the first connecting rope 41 and the anti-fall rope 51 located inside the limiting cylinder 4 and the side cylinder 5 are respectively rotated and released outside the storage winding roller 45 and the conical winding roller 52, and then the buffer umbrella 3 can be expanded and bulged after the wind force is guided by the skylight 2. At this time, the resistance of the buffer umbrella 3 to the wind can increase the resistance to the movement of the roof panel 1, so that the vehicle can be stopped in an emergency braking situation, avoiding direct When the front vehicle expands, the vehicle body and personnel are protected. At the same time, the electric motor 53 arranged inside the side cylinder 5 can automatically reverse and retract the anti-fall rope 51 when the anti-fall rope 51 is extended to the maximum length. At this time, the buffer umbrella 3 can be retracted to prevent it from falling to the outside and affecting the normal driving of other vehicles, thereby avoiding the buffer umbrella 3 from being subjected to excessive force and falling. Further, by utilizing the rotation connection between the positioning convex ring 453 and the positioning ring groove 454, the first connecting rope 41 can be automatically wound and stored on the outside of the storage winding roller 45 after use, and finally the cover plate 6 is rotated so that the second connecting rope 63 on the inner side of one end is stored in the limiting convex ring at one end of the limiting cylinder 4. The inside of the protrusion 62 can drive the boss 61 to sink into the inside of the limiting cylinder 4 and make the elastic protrusion 64 on the outside automatically engage with the limiting groove 65 installed on the inner side of one end of the limiting cylinder 4 to form a limit and seal for the next use; the present invention provides a mounting seat 8 at the upper end of the roof panel 1. After the positioning screw 811 arranged inside the positioning threaded hole 812 at one end of the roof panel 1 is rotated to release the limit of the mounting seat 8, the telescopic connecting rod 822 and the return spring 823 arranged inside the extension grooves 813 at both ends of the storage groove 81 are used to drive the side plate 821 at the upper end of the mounting seat 8 to automatically pop up, so that the side plates on both sides of the side plate 821 The top plate 824 is against the upper end surfaces of the slide grooves 814 at both ends of the storage grooves 81. At this time, the limiting cylinder 4 can be directly pushed to make the lower end part of the hook plate 71 located at one end of the fixing seat 7 slide and be installed inside the mounting seat 8. At this time, the upper and lower ends of the fixing seat 7 are connected and fixed with bolts to complete the installation. The operation is simple and convenient. The limiting cylinder 4 can be installed on different vehicles for use. It can also be disassembled and repaired by itself after use for the convenience of next use. Finally, by limiting the mounting seat 8 through the positioning screw 811, the upper end surface can be flush with the roof panel 1 when the mounting seat 8 is stored, ensuring the aesthetics so that the owner can choose to disassemble and assemble according to actual conditions.

[0048] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around" and the like indicate orientation or positional relationship, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0049] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A roof auxiliary deceleration device capable of preventing rear-end collision, characterized in that: include: roof panels and sunroofs; The buffer umbrella is located behind the skylight and is used to buffer and assist the vehicle in stopping. The upper end of the roof panel is provided with an obliquely installed limiting cylinder for installing the buffer umbrella, and a first connecting rope is provided inside for connecting the buffer umbrella; The electric push rod is located inside the limit cylinder, and a limit plate is provided on the upper end for automatically ejecting the buffer umbrella; The side tube is located below the limit tube and is equipped with an anti-fall rope to prevent the cushion parachute from being broken free due to excessive force. A mounting seat is provided at the upper end of the roof plate for mounting a fixing seat below the limiting cylinder. The fixing seat is slidably mounted inside the mounting seat through a hook plate on one side.

2. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 1, characterized in that: The limiting cylinder is provided with a winding roller through the inner convex ring at the lower end, which is used to wind and store the first connecting rope. The lower end of the storage winding roller is provided with a positioning plate for preventing the first connecting rope from being scattered.

3. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 2, characterized in that: An inner support rod is arranged at the upper end of the inner convex ring and is located inside the hollow cavity of the winding roller. A through hole is opened at the upper end of the winding roller for receiving the winding roller.

4. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 3, characterized in that: The lower end of the inner support rod is provided with a positioning convex ring which is rotatably mounted in a positioning ring groove inside the lower end of the positioning plate.

5. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 1, characterized in that: A conical winding roller is provided inside the side cylinder for storing the anti-fall rope, and the lower end of the conical winding roller is an inwardly inclined structure. The side cylinder drives the conical winding roller to rotate through an electric motor at the bottom.

6. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 1, characterized in that: A connecting sleeve is provided on one side of the upper end of the side tube and is communicated with the limiting tube, and a connecting seat is provided on one side of the lower end of the side tube and is fixedly connected with the limiting tube.

7. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 1, characterized in that: A cover plate is provided at the front end of the limiting cylinder, and an elastic protrusion is provided through the inner boss to seal the upper end gap of the limiting cylinder. A side hole is opened on one side of the upper end of the limiting cylinder, and a second connecting rope is provided inside to connect to the boss.

8. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 1, characterized in that: A storage groove for hiding the mounting seat is provided on one side of the upper end of the roof plate, and folding curtain plates are provided at both ends of the storage groove.

9. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 1, characterized in that: A positioning screw is provided inside one end of the roof panel for fixing the mounting base inside the storage slot. A positioning threaded hole connected to the upper end of the storage slot is provided inside one end of the roof panel. Extension slots for installing a folding curtain plate are provided at both ends of the storage slot. Sliding slots for sliding connection of the side top panel are provided at both ends of the extension slot.

10. The roof auxiliary deceleration device capable of preventing rear-end collision according to claim 1, characterized in that: The folding curtain plate is installed on the side plate, and a telescopic connecting rod is arranged inside, a return spring is wound around the outer side of the telescopic connecting rod, and protruding side top plates are arranged at both ends of the side plate.

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