CN215752241U

CN215752241U - Automobile chassis with protective structure

Info

Publication number: CN215752241U
Application number: CN202122375181.4U
Authority: CN
Inventors: 张玉清; 刘扬; 徐国峰; 陈虎斌; 张履军
Original assignee: Changzhou Jude New Material Co ltd
Current assignee: Zhang Yuqing
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-08
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to an automobile chassis technology, which is used for solving the problem that a protection plate is damaged greatly in the protection process, needs to be replaced frequently and is not changed in steering to cause damage to an automobile chassis, and particularly relates to an automobile chassis with a protection structure, which comprises wheel shafts, the automobile chassis and the protection plate, wherein the wheel shafts are rotatably connected to two sides of the upper surface of the automobile chassis, and the protection plate is connected to the middle position of the lower surface of the automobile chassis; the friction force between the friction block and the wheel axle is controlled by changing the length of the electric push rod, so that the lifting height of the protection plate is adjusted by the connecting belt after the volute spiral spring outside the rotating sleeve is wound, the friction between the protection plate and the bulge is reduced, the service life of the protection plate is prolonged, and a driver is helped to judge the distance between a chassis and a peripheral object through the warning effect of the warning lamp, so that the mutual friction damage is prevented.

Description

Automobile chassis with protective structure

Technical Field

The utility model relates to the technology of automobile chassis, in particular to an automobile chassis with a protective structure.

Background

The automobile chassis consists of four parts, namely a transmission system, a running system, a steering system and a braking system. The chassis is used for supporting and mounting the automobile engine and all parts and assemblies thereof, forming the integral shape of the automobile, and receiving the power of the engine to enable the automobile to move and ensure normal running.

In the prior art, the protection plate is connected below the chassis by adopting an elastic structure, so that the protection plate protects the chassis, the protection plate moves upwards under the extrusion due to the action of the elastic structure when being protected, and is simultaneously subjected to the downward acting force of resilience of the elastic structure, and the protection plate is in close contact with and rubs against the protrusions under the action of the acting force, so that the protrusions greatly damage the protection plate, the service life of the protection plate is shortened, and the protection plate needs to be frequently replaced, and is very inconvenient; in the steering process of the automobile, the four corners of the chassis are easy to extrude and rub with surrounding objects, and a driver sits in the automobile and cannot observe the distance between the two sides of the front end of the chassis and the surrounding objects, so that the driver is easy to rub with the surrounding objects to damage the automobile and the surrounding objects during steering.

In view of the above technical problem, the present application proposes a solution.

Disclosure of Invention

The utility model aims to control the friction force between a friction block and a wheel axle by changing the length of an electric push rod, so that the lifting height of a protection plate is adjusted by a connecting belt after a volute spring outside a rotating sleeve is coiled, the friction between the protection plate and a bulge is slowed down, the service life of the protection plate is prolonged, a driver is helped to judge the distance between a chassis and peripheral objects by the warning function of a warning lamp, the mutual friction damage is prevented, the problem that the chassis is damaged due to the fact that the protection plate is damaged greatly in the protection process, needs to be replaced frequently and steered constantly is solved, and the automobile chassis with the protection structure is provided.

The purpose of the utility model can be realized by the following technical scheme:

the automobile chassis with the protection structure comprises wheel shafts, an automobile chassis and protection plates, wherein the wheel shafts are rotatably connected to two sides of the upper surface of the automobile chassis;

the protection mechanism comprises a supporting block, a collision plate is slidably connected to the lower surface of the protection plate close to one side of the supporting block, a supporting rod is connected to the outer side wall of the collision plate close to the supporting block, a movable groove is formed in the supporting block corresponding to the position of the supporting rod, a spring is sleeved on the outer side wall of the supporting rod close to the inner side of the movable groove, a baffle is connected to one end of the outer side wall of the supporting rod close to the spring, and a pressure sensor is connected to the inner side wall of the movable groove corresponding to the position of the baffle;

the outer side wall of the wheel axle is sleeved with a rotating sleeve, the outer side wall of the rotating sleeve is connected with a volute spiral spring, the outer side wall of the rotating sleeve is close to two sides of the volute spiral spring and is connected with a telescopic box, an electric push rod is connected to the middle position of the upper surface in the telescopic box, and the inner side wall of the rotating sleeve corresponds to the position of the telescopic box and is slidably connected with a friction block.

As a preferred embodiment of the utility model, one side of the upper surface of the chassis is provided with a warning mechanism;

the warning mechanism comprises a connecting plate, the outer side wall of the connecting plate is connected with an extrusion plate through an elastic block, roller grooves are formed in two sides of the outer side wall of the extrusion plate, rollers are connected to the inner side wall of each roller groove in a rotating mode through rotating shafts, the outer side wall of the connecting plate is close to one side of a chassis and is connected with a battery box, the upper surface of the elastic block corresponds to the position of the battery box, hole grooves are formed in the position of the battery box, slots are connected to the corresponding hole groove inner sides of the outer side wall of the connecting plate, and inserting blocks are connected to the corresponding hole groove inner sides of the outer side wall of the elastic block.

As a preferred embodiment of the present invention, holes are formed in the inner lower surface of the bellows and the inner side wall of the rotating sleeve at positions corresponding to the friction blocks, and the size of the hole is the same as the size of the cross section of the friction block.

As a preferable embodiment of the utility model, the outer side wall of the wheel axle is connected with limiting clamps corresponding to two sides of the rotating sleeve, the inner diameter size of the rotating sleeve is larger than the outer diameter size of the wheel axle, and the upper surface of the chassis is connected with a reel close to the rotating sleeve.

As a preferred embodiment of the utility model, a warning lamp is connected to the position, corresponding to the battery box, above the chassis through a power line, and a groove is formed in the position, corresponding to the roller, of the upper surface of the elastic block.

As a preferred embodiment of the present invention, one side of the outer side wall of the insertion block, which is close to the insertion slot, is connected with an induction metal sheet, and the position of the outer side wall of the insertion slot, which corresponds to the insertion block, is also connected with an induction metal sheet.

Compared with the prior art, the utility model has the beneficial effects that:

1. the friction force between the friction block and the wheel shaft is controlled by changing the length of the electric push rod, so that the lifting height of the protection plate is adjusted by the connecting band after the volute spiral spring outside the rotating sleeve is wound, the friction between the protection plate and the bulge is reduced, the service life of the protection plate is prolonged, and the protection plate does not need to be frequently replaced;

2. through the warning effect of the circuit that is in the same place by the response sheetmetal on battery box, the inserted block, the inboard response sheetmetal of slot and warning light series connection at the vehicle steering in-process, make the driver of sitting in the driver's cabin can be more clear learn the distance size between chassis and the object all around, be convenient for carry out the regulation of automobile body position at the driving in-process, prevent to cause the damage of peripheral object and automobile body.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a bottom view of the present invention shown in FIG. 1;

FIG. 3 is a support block pattern of the present invention;

FIG. 4 is an internal structure view of the sliding groove of the present invention;

FIG. 5 is a view showing the internal structure of the bellows of the present invention;

FIG. 6 is a friction block pattern of the present invention;

fig. 7 is a structural view of a warning mechanism of the present invention.

In the figure: 1. a warning mechanism; 11. a connecting plate; 12. an elastic block; 13. inserting a block; 14. a slot; 15. a pressing plate; 16. a roller groove; 17. a battery box; 18. a roller; 2. a wheel shaft; 3. a chassis; 4. a protection mechanism; 41. a collision plate; 42. a support block; 43. a support bar; 44. a movable groove; 45. a pressure sensor; 46. a baffle plate; 47. a spring; 48. an electric push rod; 49. rotating the sleeve; 410. a telescopic box; 411. a volute spiral spring; 412. a friction block; 5. and (4) a protective plate.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.

Example 1:

referring to fig. 1-6, an automobile chassis with a protective structure comprises wheel axles 2, an automobile chassis 3 and a protective plate 5, wherein the wheel axles 2 are rotatably connected to two sides of the upper surface of the automobile chassis 3, and the protective plate 5 is connected to the middle position of the lower surface of the automobile chassis 3;

the lower surface of the vehicle chassis 3 is connected with a protection plate 5 through an elastic structure, so that the protection plate 5 can change the position through the elastic shrinkage of the elastic structure when being impacted and extruded, and the elastic structure can buffer the acting force acting on the protection plate 5, so that the acting force transmitted to the vehicle chassis 3 is slowed down, and the external impact and extrusion are difficult to directly act on the vehicle chassis 3 to cause the damage of the vehicle chassis 3;

the lower surface of the chassis 3 is provided with a protection mechanism 4 near one side of the protection plate 5, the protection mechanism 4 comprises a supporting block 42, the lower surface of the protection plate 5 near one side of the supporting block 42 is connected with a collision plate 41 in a sliding way, the position of the outer side wall of the collision plate 41 near the supporting block 42 is connected with a supporting rod 43, the collision plate 41 is connected with the supporting block 42 through the supporting of nine supporting rods 43 and slides in position, the nine supporting rods 43 are distributed at three positions at the inner side of the supporting block 42 in a triangular way, a movable groove 44 is arranged at the position corresponding to the supporting rod 43 inside the supporting block 42, a spring 47 is sleeved at the inner side of the outer side wall of the supporting rod 43 near the movable groove 44, the spring 47 is sleeved at the outer side of the nine supporting rods 43, one end of the spring 47 at the inner side of the movable groove 44 at two sides of the supporting block 42 is connected on the inner wall of the movable groove 44, the other end is connected on the collision plate 41, one end of the spring 47 at the inner side of the movable groove 44 at the middle position of the supporting block 42 is connected on the collision plate 41, the other end of the supporting rod 43 is connected to a baffle 46, one end of the outer side wall of the supporting rod 43, which is close to the spring 47, is connected to the baffle 46, the position of the inner side wall of the movable groove 44, which corresponds to the baffle 46, is connected to a pressure sensor 45, the baffle 46 is sleeved on the supporting rod 43 and moves under the action of external force, so that when the collision plate 41 is collided to extrude the spring 47, the spring 47 can push the baffle 46 to move, and the pressure sensor 45 detects the acting force on the baffle 46;

the outer side wall of the wheel shaft 2 is sleeved with a rotating sleeve 49, the inner diameter of the rotating sleeve 49 is larger than the outer diameter of the wheel shaft 2, the outer side wall of the wheel shaft 2 corresponding to the two sides of the rotating sleeve 49 is connected with a limiting clamp, the limiting clamp can limit the position of the rotating sleeve 49 on the outer side of the wheel shaft 2, the upper surface of the chassis 3 close to the position of the rotating sleeve 49 is connected with a reel, one end of an internal connecting line of the reel is connected with a control device, the other end of the internal connecting line of the reel is connected with an electric push rod 48, so that the transmission of a control command is facilitated, the outer side wall of the rotating sleeve 49 is connected with a volute spring 411, one end of the volute spring 411 is connected on the outer side wall of the rotating sleeve 49, the other end of the volute spring is connected with a protection plate 5 below the chassis 3 through a connecting belt, so that the wheel shaft 2 drives the rotating sleeve 49 to rotate to cause the volute spring 411 to be tightened, and the tightened volute spring 411 pulls the protection plate 5 to ascend through the connecting belt, the outer side wall of the rotating sleeve 49 is connected with a telescopic box 410 close to two sides of the volute spring 411, holes are formed in the positions, corresponding to the friction blocks 412, of the lower surface inside the telescopic box 410 and the inner side wall of the rotating sleeve 49, the holes are the same as the cross section of the friction blocks 412, an electric push rod 48 is connected to the middle position of the upper surface inside the telescopic box 410, the position, corresponding to the telescopic box 410, of the inner side wall of the rotating sleeve 49 is connected with the friction blocks 412 in a sliding mode, the upper end of the electric push rod 48 is connected to the upper surface inside the telescopic box 410, the lower end of the electric push rod 48 is connected with the friction blocks 412, and when the length of the electric push rod 48 is changed after receiving signals, the friction blocks 412 can be driven to slide up and down on the inner sides of the holes;

when the friction block 412 and the wheel shaft 2 rub against each other to cause the wheel shaft 2 to drive the rotating sleeve 49 to rotate so as to tighten the scroll spring 411, the scroll spring 411 is connected with the belt traction protection plate 5 to move in position, meanwhile, the rotating sleeve 49 is subjected to traction force caused by the falling of the protection plate 5, when the traction force is greater than the friction force, the rotating sleeve 49 does not continue to rotate along with the rotation of the wheel shaft 2, a power line connected with the electric push rod 48 for signal transmission is led out from the inner side of the reel in the curling process, and is contracted into the reel after being restored, the collision plate 41 transmits a signal to lift the protection plate 5 after collision and extrusion, and timing equipment in automobile control equipment controls the electric push rod 48 to shorten to the original length after detecting that the collision plate 41 is not subjected to collision and extrusion for a certain time, so that the friction block 412 is reset;

in the prior art, an elastic structure is mostly adopted to connect a protection plate 5 below a vehicle chassis 3, so that the protection plate 5 protects the vehicle chassis 3, the protection plate 5 moves upwards when being extruded due to the action of the elastic structure when being protected, and simultaneously receives downward acting force of resilience of the elastic structure, the protection plate 5 is in close contact with and rubs against a protrusion under the action of the acting force, so that the protrusion causes great damage to the protection plate 5, the service life of the protection plate 5 is shortened, and the protection plate 5 needs to be frequently replaced, and is very inconvenient;

during the moving process of the automobile, the bump contacts with the collision plate 41 and extrudes the collision plate 41, the collision plate 41 moves the extrusion spring 47 to enable the pressure sensor 45 to detect the pressure change, the detected pressure data is transmitted to the automobile control equipment to be compared with the set data range, a signal is transmitted to the electric push rod 48 according to the set data range corresponding to the detected data to extend in the corresponding length, the friction block 412 connected with the lower end of the electric push rod 48 extends out of the inner side of the expansion tank 410 on the rotating sleeve 49 to be in mutual extrusion friction with the wheel shaft 2, the wheel shaft 2 drives the rotating sleeve 49 to rotate through friction, the spiral spring 411 outside the rotating sleeve 49 is tightened, the protection plate 5 is pulled to move upwards under the action of the elastic structure through the connecting belt, the friction between the protection plate 5 and the bump after the position of the protection plate 5 rises is reduced, and the damage to the protection plate 5 is reduced, the service life of the protection plate 5 is prolonged.

Example 2:

referring to fig. 1 and 7, a warning mechanism 1 is disposed on one side of the upper surface of a chassis 3, the warning mechanism 1 includes a connecting plate 11, the outer side wall of the connecting plate 11 is connected with a squeeze plate 15 through an elastic block 12, the squeeze plate 15 and the connecting plate 11 are both arc-shaped, roller grooves 16 are disposed on both sides of the outer side wall of the squeeze plate 15, rollers 18 are rotatably connected to the inner side wall of the roller grooves 16 through a rotating shaft, two roller grooves 16 are disposed on the outer side wall of the squeeze plate 15, a battery box 17 is connected to one side of the outer side wall of the connecting plate 11, which is close to the chassis 3, a hole groove is disposed on the upper surface of the elastic block 12, which corresponds to the battery box 17, a slot 14 is connected to the inner side of the outer side wall of the connecting plate 11, an insertion block 13 is connected to the inner side of the corresponding hole groove of the outer side wall of the elastic block 12, a warning light is connected to the position above the chassis 3, which corresponds to the roller 18, a groove is disposed on the upper surface of the elastic block 12, the outer side wall of the insertion block 13 close to the insertion slot 14 is connected with a sensing metal sheet, the outer side wall of the insertion slot 14 corresponding to the insertion block 13 is also connected with a sensing metal sheet, the battery box 17, the sensing metal sheet on the insertion block 13, the sensing metal sheet on the inner side of the insertion slot 14 and the warning lamp are connected in series on the same circuit, so that the sensing metal sheet on the insertion block 13 and the sensing metal sheet on the inner side of the insertion slot 14 are in contact with each other, the circuit is switched on, and the warning lamp is turned on;

in the prior art, when an automobile is steered, the four corners of the chassis 3 are easy to extrude and rub with surrounding objects, and a driver sitting in the automobile is difficult to observe the distance between the two sides of the front end of the chassis 3 and the surrounding objects, so that the automobile and the surrounding objects are easy to rub during steering to cause damage;

turn to in-process chassis 3 and when object contact and the mutual extrusion all around, gyro wheel 18 contacts with object all around, and rotate at the removal in-process and make the frictional force between the two reduce, it is inboard that stripper plate 15 promotes the inboard inserted block 13 of elastic block 12 and inserts slot 14 when being extruded to carry out the position change, make the response sheetmetal mutual contact between them, the circuit switch-on, the warning light that is located the vapour car roof one side of top lights, the shining of navigating mate accessible warning light learns chassis 3 and object contact all around, the position of being convenient for adjust the automobile body prevents to turn to the in-process and cause the damage to the car outside with the mutual friction of object all around.

When the automobile collision protection device is used, in the process of automobile traveling, a bulge firstly contacts with a collision plate 41 and extrudes the collision plate 41, the collision plate 41 moves an extrusion spring 47 to enable a pressure sensor 45 to detect pressure change, detected pressure data is transmitted to automobile control equipment to be compared with a set data range, a signal is transmitted to an electric push rod 48 according to the set data range corresponding to the detected data to extend in a corresponding length, a friction block 412 connected with the lower end of the electric push rod 48 extends out of an expansion box 410 on a rotating sleeve 49 to be mutually extruded and rubbed with a wheel shaft 2, the wheel shaft 2 drives the rotating sleeve 49 to rotate through friction, a volute spring 411 on the outer side of the rotating sleeve 49 is tightened, the protection plate 5 is pulled to move upwards under the action of an elastic structure through a connecting belt, and the friction between the protection plate 5 and the bulge is reduced after the position of the protection plate 5 is lifted, reduce the injury to guard plate 5, make guard plate 5's life obtain the extension, turn to in-process chassis 3 and object contact all around and when extrudeing each other, gyro wheel 18 contacts with object all around, and rotate at the removal in-process and make the frictional force between the two reduce, it is inboard that stripper plate 15 promotes the inboard inserted block 13 of elastic block 12 and inserts slot 14 when extrudeing to carry out the position change, make response sheetmetal mutual contact between them, the circuit switch-on, the warning light that is located top car roof one side lights, the illumination of navigating mate accessible warning light learns chassis 3 and object contact all around, the position of being convenient for adjust the automobile body prevents to turn to in-process and object's mutual friction all around and causes the damage to car outside car lacquer, influence the pleasing to the eye of car.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The automobile chassis with the protection structure comprises wheel shafts (2), an automobile chassis (3) and protection plates (5), wherein the wheel shafts (2) are rotatably connected to two sides of the upper surface of the automobile chassis (3), the protection plates (5) are connected to the middle positions of the lower surfaces of the automobile chassis (3), and the automobile chassis with the protection structure is characterized in that one side, close to the protection plates (5), of the lower surface of the automobile chassis (3) is provided with a protection mechanism (4);

the protection mechanism (4) comprises a supporting block (42), one side, close to the supporting block (42), of the lower surface of the protection plate (5) is connected with a collision plate (41) in a sliding mode, the position, close to the supporting block (42), of the outer side wall of the collision plate (41) is connected with a supporting rod (43), a movable groove (44) is formed in the supporting block (42) and corresponds to the position of the supporting rod (43), a spring (47) is sleeved on the outer side wall of the supporting rod (43) and close to the inner side of the movable groove (44), one end, close to the spring (47), of the outer side wall of the supporting rod (43) is connected with a baffle (46), and a pressure sensor (45) is connected to the position, corresponding to the baffle (46), of the inner side wall of the movable groove (44);

the outer side wall of the wheel shaft (2) is sleeved with a rotating sleeve (49), the outer side wall of the rotating sleeve (49) is connected with a volute spiral spring (411), the outer side wall of the rotating sleeve (49) is close to two sides of the volute spiral spring (411) and is connected with a telescopic box (410), an electric push rod (48) is connected to the middle position of the inner upper surface of the telescopic box (410), and the inner side wall of the rotating sleeve (49) corresponds to the position of the telescopic box (410) and is slidably connected with a friction block (412).

2. The automobile chassis with the protective structure is characterized in that a warning mechanism (1) is arranged on one side of the upper surface of the automobile chassis (3);

warning mechanism (1) is including connecting plate (11), connecting plate (11) lateral wall is connected with stripper plate (15) through elasticity piece (12), gyro wheel groove (16) have been seted up to stripper plate (15) lateral wall both sides, gyro wheel groove (16) inside wall is rotated through the pivot and is connected with gyro wheel (18), connecting plate (11) lateral wall is close to one side of chassis (3) is connected with battery box (17), elasticity piece (12) upper surface corresponds battery box (17) position department has seted up the hole groove, connecting plate (11) lateral wall corresponds the hole inslot side and is connected with slot (14), elasticity piece (12) lateral wall corresponds the hole inslot side and is connected with inserted block (13).

3. The automobile chassis with the protective structure is characterized in that holes are formed in the positions, corresponding to the friction blocks (412), of the inner lower surface of the telescopic box (410) and the inner side wall of the rotating sleeve (49), and the size of each hole is the same as that of the cross section of each friction block (412).

4. The automobile chassis with the protective structure is characterized in that limiting clamps are connected to the outer side wall of the wheel axle (2) corresponding to two sides of the rotating sleeve (49), the inner diameter of the rotating sleeve (49) is larger than the outer diameter of the wheel axle (2), and a winder is connected to the position, close to the rotating sleeve (49), of the upper surface of the automobile chassis (3).

5. The automobile chassis with the protection structure is characterized in that a warning lamp is connected to the position, corresponding to the battery box (17), above the automobile chassis (3) through a power line, and a groove is formed in the position, corresponding to the roller (18), of the upper surface of the elastic block (12).

6. The automobile chassis with the protective structure is characterized in that an induction metal sheet is connected to one side, close to the slot (14), of the outer side wall of the insert block (13), and the induction metal sheet is also connected to the position, corresponding to the insert block (13), of the outer side wall of the slot (14).