CN113753002A - New energy automobile's collision avoidance device - Google Patents
New energy automobile's collision avoidance device Download PDFInfo
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- CN113753002A CN113753002A CN202111313581.0A CN202111313581A CN113753002A CN 113753002 A CN113753002 A CN 113753002A CN 202111313581 A CN202111313581 A CN 202111313581A CN 113753002 A CN113753002 A CN 113753002A
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- China
- Prior art keywords
- bumper
- block
- automobile
- oil
- main bumper
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/34—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T5/00—Vehicle modifications to facilitate cooling of brakes
Abstract
The invention relates to the field of new energy automobile protection, in particular to an anti-collision protection device of a new energy automobile, which comprises an automobile bottom plate, a hydraulic oil pipe, an oil tank, a brake caliper, a first buffer mechanism and the like; the automobile brake device is characterized in that a brake disc is fixedly connected to a rear wheel of an automobile, oil tanks are symmetrically arranged on a bottom plate of the automobile, a hydraulic oil pipe is fixedly connected to the oil tanks together, two brake calipers are connected to the oil tanks in a sliding mode, and a first buffer mechanism is connected to the bottom plate of the automobile in a sliding mode. Through first reset spring's effect, the rear comes the car and strikes main bumper, and first reset spring can receive compression and bounce-back, can reach and cushion the shock attenuation effect to main bumper, avoids the inside spare part of car to damage.
Description
Technical Field
The invention relates to the field of new energy automobile protection, in particular to an anti-collision protection device for a new energy automobile.
Background
With the gradual formation of the automobile society, a large number of gasoline vehicles continuously discharge harmful gases and pollutants, and under the pressure of energy and environmental protection, new energy automobiles undoubtedly become the development direction of future automobiles, the new energy automobiles adopt unconventional automobile fuels as power sources, integrate advanced technologies in the aspects of power control and driving of the vehicles, form automobiles with advanced technical principles, new technologies and new structures, and the brake systems of the new energy automobiles can technically ensure the safe running of the automobiles.
When the automobile is impacted by a rear automobile, the automobile can drive forwards due to inertia, a traditional braking system usually prompts a driver to brake the automobile through a sensor, a vacuum boosting servo braking system is generally adopted, manpower and boosting force are used for clamping a brake disc through a brake caliper finally to realize braking, but the driver cannot brake the automobile quickly when the response is not timely or the sensor fails, so that the automobile is easy to generate continuous rear-end accidents, and great potential safety hazards exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the anti-collision protection device of the new energy automobile, which can buffer and absorb the automobile after the automobile is collided, can quickly brake the automobile after the automobile is collided, can avoid the continuous rear-end collision accident caused by the forward running of the automobile, and can reduce the braking effect by half after the emergency braking of the automobile to prevent the rollover accident, so as to solve the problems that the automobile cannot be quickly braked when the reaction of a driver is not timely or a sensor fails and the continuous rear-end collision accident of the automobile is easy to occur in the background technology.
The technical scheme is as follows: the utility model provides a new energy automobile's collision avoidance device, including the vehicle bottom board, the rigid coupling has the brake disc on the wheel behind the car, the brake disc is used for making the auto wheel braking, the symmetry is provided with the oil tank on the vehicle bottom board, the oil tank is used for saving hydraulic oil, two common fixedly connected with hydraulic pressure oil pipe on the oil tank, hydraulic pressure oil pipe is used for carrying hydraulic oil, sliding connection has two braking pincers on the oil tank, braking pincers are used for relying on the friction will the brake disc braking, sliding connection has a buffer gear on the vehicle bottom board, a buffer gear is used for buffering the car, and brake gear locates vehicle bottom board top surface, brake gear is used for control hydraulic oil in the oil tank transmits pressure for braking pincers are right the brake disc is braked.
As further preferred scheme, first buffer gear is including main bumper, first slider, second slider, first reset spring, fixed block and swing strip, sliding connection has main bumper on the vehicle bottom plate, main bumper is used for bearing the impact of rear vehicle to the device, first slider symmetry sliding connection is on the vehicle bottom plate, main bumper and two first slider rigid couplings, sliding connection has two pairs of second sliders on the vehicle bottom plate, be connected with first reset spring between second slider and the vehicle bottom plate, first reset spring plays buffering cushioning effect, second slider top surface fixedly connected with fixed block, the rotation type is connected with two swing strips on the first slider, swing strip is connected with the fixed block rotary type.
As a further preferred scheme, the braking mechanism comprises a support frame, a hollow pipe, a first oil chamber, a circular plate, a sealing strip, a second oil chamber, an air chamber, a perforated pipe, a magnetic block, a fixing strip, an L-shaped frame, a sliding rod, a sealing block and a second reset spring, wherein the top surface of the chassis is vertically connected with the two support frames, the two support frames are fixedly connected with the hollow pipe together, two ends of the hollow pipe are communicated with the first oil chamber for storing hydraulic oil, the circular plate is connected in the first oil chamber in a sliding manner, the sealing strip is welded on one side of the circular plate, the sealing strip is connected with the first oil chamber in a sliding manner, the first oil chamber is communicated with the second oil chamber for storing hydraulic oil, the second oil chamber is communicated with the oil tank, the middle of the hollow pipe is communicated with the air chamber for storing gas, one side of the air chamber is communicated with the perforated pipe for exhausting, the magnetic block is connected in the air chamber, the inboard middle part rigid coupling of main bumper has the fixed strip, the fixed strip is connected with trompil pipe slidingtype, fixedly connected with L shape frame on the air chamber, the sliding connection has the slide bar on the L shape frame, the welding of slide bar left end has airtight piece, airtight piece and air chamber slidingtype connection, airtight piece be used for with the air chamber is sealed, be connected with second reset spring between airtight piece and the L shape frame, the slide bar passes second reset spring.
As a further preferable scheme, the perforated pipe is symmetrically provided with three air outlets, when the impact is not serious, air in the perforated pipe can be discharged from the air outlets, and the influence of the fixing strip on the magnetic block after the fixing strip extrudes the air in the perforated pipe is avoided to the greatest extent.
As a further preferable scheme, the air-tight structure further comprises a pushing-away mechanism, the pushing-away mechanism is arranged on the inner side of the main bumper and used for pushing the airtight block away so that the airtight block is not blocked by the air outlet of the air chamber, the pushing-away mechanism comprises a wedge-shaped strip and a first fixing rod, the wedge-shaped strip is fixedly connected to the middle of the inner side of the main bumper, the right end of the sliding rod is welded with the first fixing rod, and the wedge-shaped strip is used for pushing the first fixing rod away when moving linearly along with the main bumper.
As further preferred scheme, still including first ending and losing the mechanism, vehicle bottom board top surface fixed mounting has first ending and loses the mechanism, first ending and losing the mechanism be used for right main bumper plays the absorbing effect of buffering, first ending and losing the mechanism including fixed plate, switch and gasbag, vehicle bottom board top surface fixed mounting has two fixed plates, fixed plate front side fixed mounting has the switch, the fixed plate rear side is provided with the gasbag, the switch is used for controlling the gasbag inflation, the gasbag is used for alleviating because of the striking gives great impact force that main bumper brought.
As a further preferred scheme, still including the second and only decrease the mechanism, main bumper top surface is provided with the second and only decreases the mechanism, the second only decreases the mechanism and is used for protecting the tire, the second only decreases the mechanism including linkage frame, second dead lever, side bumper and torsion spring, main bumper top surface symmetry fixed mounting has the linkage frame, vehicle bottom board top surface is connected with two second dead levers perpendicularly, the pivoted type is connected with the side bumper on the second dead lever, the side bumper is used for protecting the tire, the side bumper is connected with the linkage frame rotary type, the linkage frame be used for with the side bumper with main bumper is connected, the side bumper is connected with first slider rotary type, be connected with torsion spring between side bumper and the linkage frame.
As a further preferred scheme, still including cooling mechanism, be provided with cooling mechanism on the first dead lever, cooling mechanism is used for right the brake disc cools down, cooling mechanism is including trompil frame and water tank, the welding of first dead lever bottom has the trompil frame, oil tank top fixed mounting has the water tank for the water storage, the trompil frame contacts each other with the water tank bottom surface, the trompil frame be used for with water tank bottom delivery port blocks.
As a further preferred scheme, the vehicle bottom plate comprises a second buffer mechanism, the second buffer mechanism is fixedly mounted on the top surface of the vehicle bottom plate and used for buffering the main bumper, the second buffer mechanism comprises supporting legs, an open-cell energy absorption box, a PS foam block and an extrusion rod, two supporting legs are fixedly mounted on the top surface of the vehicle bottom plate, the tops of the supporting legs are fixedly mounted with the open-cell energy absorption box together, the PS foam block is connected in the open-cell energy absorption box in a sliding manner and used for buffering the main bumper when the main bumper is collided, the extrusion rod is welded on one side of the PS foam block and contacted with the main bumper, and the extrusion rod is used for bearing impact force when the main bumper is collided.
As a further preferable scheme, circular holes are formed in the open-cell energy absorption box in a circumferentially distributed manner, and the diameter of the inner hole of each circular hole is larger than that of the outer hole, so that the PS foam block can be conveniently extruded out of the circular holes, and the stress surface of the PS foam block is enlarged.
The invention has the following advantages:
through first reset spring's effect, the rear comes the car and strikes main bumper, and first reset spring can receive compression and bounce-back, can reach and cushion the shock attenuation effect to main bumper, avoids the inside spare part of car to damage.
The pressure is transmitted to the brake caliper through the hydraulic oil in the oil tank, so that the brake caliper plays a braking role on the brake disc through friction, the automobile is stopped emergently, the continuous rear-end collision accident caused by forward running of the automobile is avoided, and the safety accident rate is reduced.
The air outlet of the air chamber is not blocked by the sealing block any more, so that air is discharged, after the automobile is emergently braked, the circular plate does not apply pressure on hydraulic oil in the first oil chamber any more, the braking effect of the braking caliper on the brake disc is halved, and the phenomenon that the automobile is turned on one side due to the overlarge braking effect is avoided.
Through the side bumper that sets up, when the main bumper can't bear huge impact, the link between main bumper and the side bumper can the fracture, avoids the side bumper to follow the main bumper and leads to the fact the impact to the tire forward, plays the effect of protection tire.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention.
Fig. 2 is a schematic perspective view of a second embodiment of the present invention.
FIG. 3 is a schematic view of a first partial body structure according to the present invention.
FIG. 4 is a schematic view of a second partial body structure according to the present invention.
Fig. 5 is a perspective view of a third embodiment of the present invention.
Fig. 6 is a schematic view of a partially cut-away perspective structure of the present invention.
Fig. 7 is a schematic view of a first partially separated body structure of the first buffer mechanism of the present invention.
Fig. 8 is a schematic view of a second partially-separated body structure of the first buffer mechanism of the present invention.
Fig. 9 is a schematic view of a first partial body structure of the braking mechanism of the present invention.
Fig. 10 is a schematic view of a first partially cut-away perspective structure of the braking mechanism of the present invention.
Fig. 11 is a schematic view of a second partially cut-away perspective structure of the braking mechanism of the present invention.
Fig. 12 is a schematic view of a second partial body structure of the braking mechanism of the present invention.
Fig. 13 is an enlarged schematic view of the structure of the present invention a.
Fig. 14 is a perspective view of a fourth embodiment of the present invention.
Fig. 15 is a schematic perspective view of a first loss stop mechanism of the present invention.
Fig. 16 is a schematic view of a first partial body structure of a second loss stop mechanism according to the present invention.
Fig. 17 is a schematic view of a second partial structure of the second loss stop mechanism of the present invention.
Fig. 18 is a schematic perspective view of the cooling mechanism of the present invention.
Fig. 19 is a schematic view of a fifth partial body structure according to the present invention.
Fig. 20 is a schematic sectional perspective view of the cooling mechanism of the present invention.
Fig. 21 is a schematic view of a first partially-separated body structure of the second buffer mechanism according to the present invention.
Fig. 22 is a schematic view of a second partially separated body structure of the second buffer mechanism of the present invention.
Fig. 23 is a partially cut-away perspective view of a second damping mechanism according to the present invention.
FIG. 24 is a schematic cross-sectional perspective view of an apertured crash box of the present invention.
Wherein: 1-vehicle bottom plate, 2-brake disc, 3-hydraulic oil pipe, 4-oil tank, 5-brake caliper, 6-first buffer mechanism, 61-main bumper, 62-first slide block, 63-second slide block, 64-first return spring, 65-fixed block, 66-swinging bar, 7-brake mechanism, 71-support frame, 72-hollow pipe, 73-first oil chamber, 74-circular plate, 75-closed bar, 76-second oil chamber, 77-air chamber, 78-perforated pipe, 79-magnetic block, 711-fixed bar, 712-L-shaped frame, 713-slide bar, 714-closed block, 715-second return spring, 8-push-open mechanism, 81-wedge bar, 82-first fixed bar, 9-first loss-stopping mechanism, 91-fixed plate, 92-switch, 93-air bag, 10-second damage prevention mechanism, 101-connecting frame, 102-second fixed rod, 103-side bumper, 104-torsion spring, 11-cooling mechanism, 111-perforated frame, 112-water tank, 12-second buffer mechanism, 121-leg, 122-perforated energy absorption box, 123-PS foam block and 124-extrusion rod.
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.
Example 1
An anti-collision protection device of a new energy automobile is shown in figures 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17 and comprises an automobile bottom plate 1, hydraulic oil pipes 3, oil tanks 4, brake calipers 5, a first buffer mechanism 6 and a brake mechanism 7, wherein brake discs 2 are fixedly connected to rear wheels of the automobile, the oil tanks 4 are symmetrically arranged on the automobile bottom plate 1, the hydraulic oil pipes 3 are fixedly connected to the two oil tanks 4 together, the two brake calipers 5 are connected to the oil tanks 4 in a sliding mode, the first buffer mechanism 6 is connected to the automobile bottom plate 1 in a sliding mode, and the brake mechanism 7 is arranged on the top surface of the automobile bottom plate 1.
The braking mechanism 7 comprises a supporting frame 71, a hollow pipe 72, a first oil chamber 73, a circular plate 74, a sealing strip 75, a second oil chamber 76, an air chamber 77, a perforated pipe 78, a magnetic block 79, a fixing strip 711, an L-shaped frame 712, a sliding rod 713, a sealing block 714 and a second reset spring 715, wherein the top surface of the vehicle bottom plate 1 is vertically connected with the two supporting frames 71, the two supporting frames 71 are fixedly connected with the hollow pipe 72 together, the two ends of the hollow pipe 72 are communicated with the first oil chamber 73, the circular plate 74 is connected in a sliding manner in the first oil chamber 73, the sealing strip 75 is welded at one side of the circular plate 74, the sealing strip 75 is connected with the first oil chamber 73 in a sliding manner, the first oil chamber 73 is communicated with the second oil chamber 76, the second oil chamber 76 is communicated with the oil tank 4, the middle part of the hollow pipe 72 is communicated with the air chamber 77, one side of the air chamber 77 is communicated with the perforated pipe 78, the magnetic block 79 is connected in the air chamber 77 in a sliding manner, the middle part of the inner side of the main bumper 61 is fixedly connected with a fixing strip 711, the fixing strip 711 is connected with the perforated pipe 78 in a sliding manner, an L-shaped frame 712 is fixedly connected to the air chamber 77, a sliding rod 713 is connected to the L-shaped frame 712 in a sliding manner, a sealing block 714 is welded at the left end of the sliding rod 713, the sealing block 714 is connected with the air chamber 77 in a sliding manner, a second reset spring 715 is connected between the sealing block 714 and the L-shaped frame 712, and the sliding rod 713 penetrates through the second reset spring 715.
This equipment fixed mounting is in new energy automobile bottom rear side, hydraulic pressure oil pipe 3 is connected with braking system, the car is when the rear comes the car striking at the in-process of traveling, the rear comes the car and can strike main bumper 61, main bumper 61 drives first slider 62 and moves towards being close to hydraulic pressure oil pipe 3 direction, first slider 62 drives two adjacent second sliders 63 relative motion through swing strip 66, first reset spring 64 receives the compression and rebounds, can reach buffering shock attenuation effect, main bumper 61 can promote fixed strip 711 and move towards being close to hydraulic pressure oil pipe 3 direction simultaneously, reset through the first reset spring 64 of compression thereupon and drive two adjacent second sliders 63 relative motion, second slider 63 drives first slider 62 and the upper mounting through swing strip 66 and moves the reset towards keeping away from hydraulic pressure oil pipe 3 direction.
When the collision is serious, the fixing strip 711 can push the magnetic block 79 to move towards the direction close to the hydraulic oil pipe 3, the magnetic block 79 extrudes the gas in the gas chamber 77, so that the gas pressure in the gas chamber 77 and the hollow pipe 72 is increased, the gas can push the circular plate 74 and the sealing strip 75 to move towards the direction close to the hydraulic oil pipe 3, the sealing strip 75 does not block the oil outlet of the first oil chamber 73 any more, so that the first oil chamber 73 is communicated with the second oil chamber 76, the circular plate 74 extrudes the hydraulic oil in the first oil chamber 73 and the second oil chamber 76, so that the hydraulic oil in the oil tank 4 pushes the two adjacent brake calipers 5 to move oppositely, the brake calipers 5 are in contact with the brake disc 2, the brake calipers 5 play a role of braking the brake disc 2 through friction, so that the automobile is stopped emergently, the automobile is prevented from running forwards, and a driver controls the brake system to brake the brake disc 2 and simultaneously, the hydraulic oil in the hydraulic oil pipe 3 can flow into the oil tank 4 under the pressure, therefore, the pressure of hydraulic oil in the oil tank 4 is increased, the friction force between the brake caliper 5 and the brake disc 2 is further increased, the brake disc 2 is further braked, and the continuous rear-end collision accident caused by forward running of the automobile is avoided.
Example 2
On the basis of embodiment 1, as shown in fig. 13, the vehicle bumper further includes a push-away mechanism 8, the push-away mechanism 8 is disposed inside the main bumper 61, the push-away mechanism 8 includes a wedge-shaped bar 81 and a first fixing rod 82, the wedge-shaped bar 81 is fixedly connected to the middle portion of the inside of the main bumper 61, and the first fixing rod 82 is welded to the right end of the sliding rod 713.
When the rear side of the automobile is collided, the main bumper 61 can drive the wedge-shaped strip 81 to move towards the direction close to the hydraulic oil pipe 3, after the automobile is emergently braked, the wedge-shaped bar 81 will contact with the first fixing bar 82, the wedge-shaped bar 81 will push the first fixing bar 82 and the device thereon to move away from the air chamber 77, the sealing block 714 will not block the air outlet of the air chamber 77, the air in the air chamber 77 and the hollow tube 72 will be discharged through the air outlet, so that the air pressure in the air chamber 77 and the hollow tube 72 is reduced, the circular plate 74 does not apply pressure to the hydraulic oil in the first oil chamber 73 any more, the braking effect of the brake caliper 5 on the brake disc 2 is reduced by half, the situation that the automobile turns over due to overlarge braking effect is avoided, a driver controls the braking system to brake the brake disc 2, the hydraulic oil in the oil tank 4 flows into the second oil chamber 76 under the pressure, the hydraulic oil will push the sealing strip 75 and the circular plate 74 to move and reset away from the hydraulic oil pipe 3. When the main bumper 61 moves towards the direction far away from the hydraulic oil pipe 3, the wedge-shaped strip 81 is separated from the first fixing rod 82, the compressed second return spring 715 is reset to drive the sealing block 714 and the upper device thereof to move towards the direction close to the air chamber 77, and the air outlet of the air chamber 77 is blocked by the sealing block 714.
Example 3
On the basis of embodiment 2, as shown in fig. 14 and 15, the vehicle chassis further comprises a first anti-damage mechanism 9, the first anti-damage mechanism 9 is fixedly mounted on the top surface of the vehicle chassis 1, the first anti-damage mechanism 9 comprises a fixing plate 91, a switch 92 and an air bag 93, two fixing plates 91 are fixedly mounted on the top surface of the vehicle chassis 1, the switch 92 is fixedly mounted on the front side of the fixing plate 91, and the air bag 93 is arranged on the rear side of the fixing plate 91.
When two adjacent second sliding blocks 63 move relatively, the second sliding blocks 63 press the switch 92, the switch 92 controls the expansion of the air bag 93, the air bag 93 can relieve large impact force brought to the main bumper 61 by impact, and the air bag 93 plays a role in buffering and damping the main bumper 61.
Example 4
On the basis of embodiment 3, as shown in fig. 16 and 17, the vehicle bumper further includes a second damage prevention mechanism 10, the top surface of the main bumper 61 is provided with the second damage prevention mechanism 10, the second damage prevention mechanism 10 includes a connecting frame 101, a second fixing rod 102, a side bumper 103 and a torsion spring 104, the connecting frame 101 is symmetrically and fixedly installed on the top surface of the main bumper 61, two second fixing rods 102 are perpendicularly connected to the top surface of the vehicle underbody 1, the side bumper 103 is rotatably connected to the second fixing rod 102, the side bumper 103 is rotatably connected to the connecting frame 101, the side bumper 103 is rotatably connected to the first slider 62, and the torsion spring 104 is connected between the side bumper 103 and the connecting frame 101.
When a rear vehicle collides the main bumper 61, the first slider 62 drives the side bumper 103 to swing, and when the main bumper 61 moves in a direction away from the hydraulic oil pipe 3, the compressed torsion spring 104 resets to drive the side bumper 103 to swing and reset. When the main bumper 61 cannot bear a large impact force, the connecting frame 101 between the main bumper 61 and the side bumper 103 is broken, so as to prevent the main bumper 61 from driving the side bumper 103 to move towards the direction close to the hydraulic oil pipe 3 to impact the tire.
Example 5
On the basis of embodiment 4, as shown in fig. 18, 19 and 20, the cooling device further includes a cooling mechanism 11, the cooling mechanism 11 is disposed on the first fixing rod 82, the cooling mechanism 11 includes an opening frame 111 and a water tank 112, the opening frame 111 is welded at the bottom end of the first fixing rod 82, the water tank 112 is fixedly mounted at the top of the oil tank 4, and the bottom surfaces of the opening frame 111 and the water tank 112 are in contact with each other.
When the wedge-shaped bar 81 pushes the first fixing rod 82 and the upper device thereof to move towards the direction far away from the air chamber 77, the hole opening frame 111 does not block the water outlet at the bottom of the water tank 112 any more, so that water in the water tank 112 flows onto the brake disc 2 to cool the brake disc 2, and the phenomenon that sparks are scraped out due to overlarge friction force between the brake disc 2 and the brake caliper 5 is avoided.
Example 6
On the basis of embodiment 5, as shown in fig. 21, 22, 23 and 24, the vehicle underbody bumper structure further comprises a second buffer mechanism 12, the second buffer mechanism 12 is fixedly mounted on the top surface of the vehicle underbody 1, the second buffer mechanism 12 comprises supporting legs 121, an open-cell energy absorption box 122, a PS foam block 123 and an extrusion rod 124, the two supporting legs 121 are fixedly mounted on the top surface of the vehicle underbody 1, the open-cell energy absorption box 122 is fixedly mounted on the tops of the two supporting legs 121 together, the PS foam block 123 is connected in the open-cell energy absorption box 122 in a sliding manner, the extrusion rod 124 is welded on one side of the PS foam block 123, and the extrusion rod 124 is in contact with the main bumper 61.
When a rear vehicle impacts the main bumper 61, the main bumper 61 pushes the extrusion rod 124, and the extrusion rod 124 extrudes the PS foam block 123, so that the PS foam block 123 is extruded from the circular hole of the open-cell energy absorption box 122, and the PS foam block 123 can buffer the main bumper 61 through the extrusion rod 124.
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.
Claims (10)
1. The utility model provides a new energy automobile's collision avoidance device, including vehicle bottom board (1), its characterized in that: a brake disc (2) is fixedly connected on the rear wheel of the automobile, the brake disc (2) is used for braking the automobile wheel, the chassis (1) is symmetrically provided with oil tanks (4), the oil tanks (4) are used for storing hydraulic oil, the two oil tanks (4) are fixedly connected with a hydraulic oil pipe (3) together, the hydraulic oil pipe (3) is used for conveying hydraulic oil, the oil tank (4) is connected with two braking clamps (5) in a sliding way, the brake caliper (5) is used to brake the brake disc (2) by means of friction, the vehicle bottom plate (1) is connected with a first buffer mechanism (6) in a sliding way, the first buffer mechanism (6) is used for buffering the automobile, the brake mechanism (7) is arranged on the top surface of the automobile bottom plate (1), the brake mechanism (7) is used for controlling hydraulic oil in the oil tank (4) to transmit pressure to the brake caliper (5) to brake the brake disc (2).
2. The anti-collision protection device of the new energy automobile as claimed in claim 1, characterized in that: the first buffer mechanism (6) comprises a main bumper (61), a first sliding block (62), a second sliding block (63), a first reset spring (64), a fixed block (65) and a swinging strip (66), the vehicle bottom plate (1) is connected with the main bumper (61) in a sliding manner, the main bumper (61) is used for bearing the impact force of a rear vehicle to the device, the first sliding block (62) is symmetrically connected to the vehicle bottom plate (1) in a sliding manner, the main bumper (61) is fixedly connected with the two first sliding blocks (62), the vehicle bottom plate (1) is connected with two pairs of second sliding blocks (63) in a sliding manner, the first reset spring (64) is connected between the second sliding block (63) and the vehicle bottom plate (1), the first reset spring (64) plays a role in shock absorption, the top surface of the second buffer sliding block (63) is fixedly connected with the fixed block (65), the first sliding block (62) is connected with the two swinging strips (66) in a rotating manner, the swing strip (66) is rotatably connected with the fixed block (65).
3. The anti-collision protection device of the new energy automobile as claimed in claim 2, characterized in that: the brake mechanism (7) comprises a support frame (71), a hollow pipe (72), a first oil chamber (73), a circular plate (74), a closed strip (75), a second oil chamber (76), an air chamber (77), a perforated pipe (78), a magnetic block (79), a fixing strip (711), an L-shaped frame (712), a sliding rod (713), a closed block (714) and a second reset spring (715), wherein the top surface of the vehicle bottom plate (1) is vertically connected with two support frames (71), the two support frames (71) are jointly and fixedly connected with the hollow pipe (72), two ends of the hollow pipe (72) are communicated with the first oil chamber (73) used for storing hydraulic oil, the circular plate (74) is connected in the first oil chamber (73) in a sliding manner, the closed strip (75) is welded on one side of the circular plate (74), the closed strip (75) is connected with the first oil chamber (73) in a sliding manner, the first oil chamber (73) is communicated with the second oil chamber (76) used for storing the hydraulic oil, the second oil chamber (76) is communicated with the oil tank (4), the hollow tube (72) is communicated with an air chamber (77) used for storing gas, one side of the air chamber (77) is communicated with a perforated tube (78) used for exhausting, a magnetic block (79) is connected to the air chamber (77) in a sliding manner, a fixing strip (711) is fixedly connected to the middle of the inner side of the main bumper (61), the fixing strip (711) is connected with the perforated tube (78) in a sliding manner, an L-shaped frame (712) is fixedly connected to the air chamber (77), a sliding rod (713) is connected to the L-shaped frame (712) in a sliding manner, a sealing block (714) is welded to the left end of the sliding rod (713), the sealing block (714) is connected with the air chamber (77) in a sliding manner, the sealing block (714) is used for sealing the air chamber (77), and a second reset spring (715) is connected between the sealing block (714) and the L-shaped frame (712), the slide bar (713) passes through a second return spring (715).
4. The anti-collision protection device of the new energy automobile as claimed in claim 3, characterized in that: the perforated pipe (78) is symmetrically provided with three air outlet holes, when the impact is not serious, the air in the perforated pipe (78) can be discharged from the air outlet holes, and the influence on the magnetic block (79) after the fixing strip (711) extrudes the air in the perforated pipe (78) is avoided to the maximum extent.
5. The anti-collision protection device of the new energy automobile as claimed in claim 3, characterized in that: the air chamber structure is characterized by further comprising a pushing-away mechanism (8), the pushing-away mechanism (8) is arranged on the inner side of the main bumper (61), the pushing-away mechanism (8) is used for pushing the sealing block (714) away so that the sealing block can not block an air outlet of the air chamber (77), the pushing-away mechanism (8) comprises a wedge-shaped strip (81) and a first fixing rod (82), the wedge-shaped strip (81) is fixedly connected to the middle of the inner side of the main bumper (61), the first fixing rod (82) is welded to the right end of the sliding rod (713), and the wedge-shaped strip (81) is used for pushing the first fixing rod (82) away when moving linearly along with the main bumper (61).
6. The anti-collision protection device of the new energy automobile as claimed in claim 5, characterized in that: still including first only decreasing mechanism (9), vehicle bottom plate (1) top surface fixed mounting has first only decreasing mechanism (9), first only decreasing mechanism (9) is used for right main bumper (61) plays the absorbing effect of buffering, first only decreasing mechanism (9) is including fixed plate (91), switch (92) and gasbag (93), vehicle bottom plate (1) top surface fixed mounting has two fixed plates (91), fixed plate (91) front side fixed mounting has switch (92), fixed plate (91) rear side is provided with gasbag (93), switch (92) are used for controlling gasbag (93) inflation, gasbag (93) are used for alleviating because of the striking give great impact force that main bumper (61) brought.
7. The anti-collision protection device of the new energy automobile as claimed in claim 6, characterized in that: still including the second and only decrease mechanism (10), main bumper (61) top surface is provided with the second and only decreases mechanism (10), the second only decreases mechanism (10) and is used for protecting the tire, the second only decreases mechanism (10) including connection frame (101), second dead lever (102), side bumper (103) and torsion spring (104), main bumper (61) top surface symmetry fixed mounting has connecting frame (101), vehicle bottom board (1) top surface is connected with two second dead levers (102) perpendicularly, the last rotation type of second dead lever (102) is connected with side bumper (103), side bumper (103) are used for protecting the tire, side bumper (103) are connected with connecting frame (101) rotary type, connecting frame (101) are used for with side bumper (103) with main bumper (61) are connected, side bumper (103) are connected with first slider (62) rotary type, and a torsion spring (104) is connected between the side bumper (103) and the connecting frame (101).
8. The anti-collision protection device of the new energy automobile as claimed in claim 7, characterized in that: still including cooling mechanism (11), be provided with cooling mechanism (11) on first dead lever (82), cooling mechanism (11) are used for right brake disc (2) cool down, cooling mechanism (11) are including trompil frame (111) and water tank (112), the welding of first dead lever (82) bottom has trompil frame (111), oil tank (4) top fixed mounting has water tank (112) for the water storage, trompil frame (111) and water tank (112) bottom surface in contact with each other, trompil frame (111) be used for with water tank (112) bottom delivery port blocks.
9. The anti-collision protection device of the new energy automobile as claimed in claim 8, characterized in that: also comprises a second buffer mechanism (12), the top surface of the vehicle bottom plate (1) is fixedly provided with the second buffer mechanism (12), the second buffer mechanism (12) is used for buffering the main bumper (61), the second buffer mechanism (12) comprises supporting legs (121), an open-cell energy absorption box (122), a PS foam block (123) and an extrusion rod (124), two supporting legs (121) are fixedly arranged on the top surface of the vehicle bottom plate (1), the tops of the two supporting legs (121) are jointly and fixedly provided with an open-pore energy absorption box (122), the open-cell energy absorption box (122) is connected with a PS foam block (123) in a sliding way, the PS foam block (123) is used for buffering when the main bumper (61) is impacted, a squeezing rod (124) is welded on one side of the PS foam block (123), the squeezing rod (124) is contacted with the main bumper (61), the pressing rod (124) is used for bearing impact force when the main bumper (61) is impacted.
10. The anti-collision protection device of the new energy automobile as claimed in claim 9, characterized in that: the opening energy absorption box (122) is provided with circular holes in a circumferential distribution mode, the diameter of the inner holes of the circular holes is larger than the diameter of the outer holes of the circular holes, so that the PS foam blocks (123) are conveniently extruded from the circular holes, and the stress surface of the PS foam blocks (123) is increased.
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| CN202111313581.0A CN113753002B (en) | 2021-11-08 | 2021-11-08 | New energy automobile's collision avoidance device |
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| CN202111313581.0A CN113753002B (en) | 2021-11-08 | 2021-11-08 | New energy automobile's collision avoidance device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013393A (en) * | 2021-12-16 | 2022-02-08 | 苏州经贸职业技术学院 | Automobile front bumper assembly supporting structure |
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|---|---|
| CN113753002B (en) | 2022-06-24 |
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