CN112277854A - Automobile front bumper assembly - Google Patents
Automobile front bumper assembly Download PDFInfo
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- CN112277854A CN112277854A CN202011202679.4A CN202011202679A CN112277854A CN 112277854 A CN112277854 A CN 112277854A CN 202011202679 A CN202011202679 A CN 202011202679A CN 112277854 A CN112277854 A CN 112277854A
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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
- B60R19/023—Details
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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
- B60R19/03—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
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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
- B60R19/20—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 containing mainly gas or liquid, e.g. inflatable
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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
- B60R19/22—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 containing mainly cellular material, e.g. solid foam
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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
- B60R2019/026—Buffers, i.e. bumpers of limited extent
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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
- B60R2019/186—Additional energy absorbing means supported on bumber beams, e.g. cellular structures or material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses an automobile front bumper assembly, belonging to the technical field of automobile parts, which can realize pre-buffering by combining with the existing buffering material through an air compressing cover, highly extrude a force reducing layer after absorbing energy deformation, further buffer impact force, transmit pressure to the force reducing layer at the rear side of the force reducing layer by virtue of a force transmitting press ball, ensure that non-Newtonian liquid and the force reducing ball in the force reducing layer start to play a compression resistance role, particularly, the force reducing ball actively releases substances capable of quickly freezing water in the force reducing ball after utilizing the characteristic of energy absorption of the liquid, force the frozen water after energy absorption to be converted into solid characteristic to resist the impact force, and melt the ice by utilizing the characteristic of heat generated by friction to fit a secondary rebound phenomenon caused by the impact force, and simultaneously realize obvious temperature reduction in the impact process of an automobile body so as to avoid secondary fire damage caused by the impact, effectively improving the anti-collision effect and the safety function of the automobile bumper.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to an automobile front bumper assembly.
Background
The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body. The front and rear bumpers of the automobile are stamped into channel steel by steel plates and riveted or welded with the frame longitudinal beam for many years, and a large gap is reserved between the channel steel and the automobile body, so that the front and rear bumpers of the automobile are quite unattractive. With the development of the automobile industry and the extensive use of engineering plastics in the automobile industry, automobile bumpers have also been revolutionized as an important safety device. The front and rear bumpers of the sedan car of today are required to be harmonious and unified with the shape of the car body and to be light in weight in itself, besides maintaining the original protection function. The front and rear bumpers of a car are all made of plastic and are called plastic bumpers. The plastic bumper of a common automobile consists of three parts, namely an outer plate, a buffer material and a cross beam. Wherein the outer plate and the buffer material are made of plastics, and the cross beam is punched into a U-shaped groove by a cold-rolled sheet; the outer plates and the cushioning material are attached to the cross member.
The most important step of the automobile bumper is the absorption of external impact force, so the selection of the buffer material is particularly important, but the buffer material only depends on the absorption effect of the buffer material, so the buffer material still has defects when the buffer material faces large impact force, and the safety protection of a vehicle body and a user is still insufficient.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an automobile front bumper assembly, which can realize pre-buffering by combining with the existing buffering material through an air compression cover, highly extrude a force reduction layer after absorbing energy deformation, further buffer impact force, transmit pressure to the force reduction layer at the rear side by virtue of a force transmission ball, ensure that non-Newtonian liquid and the force reduction ball in the force reduction layer start to play a compression resistance role, particularly, the force reduction ball actively releases substances capable of quickly freezing water in the force reduction ball after utilizing the characteristic of energy absorption of the liquid, force the water freezing after energy absorption to be converted into solid characteristic to resist the impact force, and melt ice by utilizing the characteristic of frictional heat, so as to fit for a secondary rebound phenomenon caused by the impact force, reduce the damage to the minimum, and realize obvious temperature reduction of an automobile body in the impact process, avoid consequently the conflagration secondary damage that huge impact brought, effectively improve the crashproof effect and the safety action of car bumper.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a bumper assembly before car, includes bumper shell, energy-absorbing splint and web beam, energy-absorbing splint inlay and adorn between bumper shell and web beam, energy-absorbing splint are including the subtracting power layer and the power layer that are connected, and the power layer is located the one side that is close to web beam, subtract the power layer and be close to bumper shell one end and be connected with a plurality of evenly distributed's pressure gas hood, it is connected with a plurality of and the corresponding biography power stick of pressure gas hood to inlay in the power layer to subtract, and passes power stick one end and extend to in the pressure gas hood, it is connected with the biography power pressure ball to pass power stick far away pressure gas hood one end, and passes power pressure ball and inlays in the junction on power layer and web beam, the intussuseption power layer is filled with a plurality of evenly distributed's change power ball.
Furthermore, the force transforming balls are divided into various sizes and distributed along the direction close to the reinforcing cross beam from large to small according to the sizes, the distribution characteristics can ensure that the force transforming balls have large contact area and well complete force transmission, and meanwhile, impact force can be highly dispersed along with the increase of the size reduction quantity, so that a good force transforming effect is realized.
Further, the power ball includes rigidity hemisphere and hydrous hemisphere, the hydrated hemisphere is kept away from rigidity hemisphere one end and is connected with the protection pearl, the protection pearl is close to rigidity hemisphere one end and is connected with the friction post, inlay in rigidity hemisphere the inner be connected with friction post assorted friction cover, can realize the combination of rigidity and flexibility between rigidity hemisphere and the hydrated hemisphere, both can realize the transmission of power through the rigidity hemisphere, also can realize the buffering of dissolving of power through the hydrated hemisphere, the protection pearl plays the effect of the hydrous hemisphere of protection, avoid the phenomenon that the hydrated hemisphere excessively worn and torn to appear in deformation process, the cooperation of friction post and friction cover can realize changing external impact energy into kinetic energy and heat energy, can consume external impact force on the one hand, on the other hand can be used for subsequent ice-melt action with the heat.
Further, a plurality of evenly distributed's accuse gas pocket has been seted up on the rigid hemisphere, accuse gas pocket outside opening part covers has the pre-compaction membrane of being connected with rigid hemisphere surface, the activity is inlayed in the accuse gas pocket has the magnetism microballon, and is connected with elasticity between magnetism microballon and the pre-compaction membrane and acts as go-between, still set up a plurality ofly on the rigid hemisphere internal surface with magnetism microballon assorted activity ball groove, activity ball inslot activity is inlayed and is had the pre-compaction membrane that receives earlier with magnetism microballon assorted spin dissolving ball and extrudees before the rigid hemisphere receives the extrusion and contract, utilizes gas to do work and forces the magnetism microballon to remove in the accuse gas pocket, then utilizes magnetic attraction to drive spin dissolving ball to rotate at activity ball groove, and then triggers the action of freezing with the water contact in the water-bearing.
Furthermore, rotation dissolving ball includes the hydrophobic ball, the closed groove has been seted up to the hydrophobic ball near magnetism microballon one end, the closed groove in-connection has interior magnetic path, closed groove notch department seals and is connected with water-soluble layer, water-soluble layer internal surface inlays and is connected with a plurality of ice-making particles, interior magnetic path is used for following the magnetic field of magnetism microballon and then drives the hydrophobic ball and rotate, water-soluble layer plays the guard action and the holding effect to the ice-making particle, water-soluble layer and water contact begin to dissolve behind hydrophobic ball rotation direction to it also dissolves to expose ice-making particle in step, and ice-making particle dissolves and can follow the ambient environment and absorb a large amount of heats, water freezes from this fast and provides certain intensity and resists the impact force, avoids the water-containing hemisphere energy-absorbing excessively to suffer permanent destruction.
Further, inlay outside the closed groove and be connected with water-swelling rubber circle, and water-swelling rubber circle wraps up water-soluble layer, the closed inslot intussuseption is filled with highly-compressed air, and water-swelling rubber circle plays the effect on the water-soluble layer of protection, avoids it and moisture contact in advance, and after water-soluble layer dissolves, the highly-compressed air in closed groove can be found the horse and carry the ice-making particle and disperse fast in aqueous for dissolve speed.
Furthermore, the hydrophobic ball is made of hydrophobic materials, the water-soluble layer is made of water-soluble materials, the ice-making particles are made of saltpeter, the hydrophobic ball prevents water in the water-containing hemisphere from entering the movable ball groove to interfere with the water-soluble layer in advance by utilizing the hydrophobic effect of the hydrophobic ball, and the saltpeter can absorb a large amount of heat when being dissolved in the water.
Furthermore, the rigid hemisphere is made of a high-strength hard material, the water-containing hemisphere is made of an elastic waterproof material, and the friction column and the friction sleeve are made of high-friction-coefficient materials.
Furthermore, the force-transforming layer is filled with non-Newtonian liquid, and gaps are reserved between every two adjacent force-transforming balls, so that the impact force buffering effect of the force-transforming layer can be remarkably improved.
Further, the damping layer adopts high elasticity porous material to make, the cover of calming anger adopts plastic material to make, and the cover intussuseption of calming anger is filled with protective gas, protective gas includes but not limited to carbon dioxide and nitrogen gas, when the cover energy-absorbing warp of calming anger, can extrude protective gas into in the damping layer to force the damping layer inflation to improve its buffer effect, receive extrusion back protective gas secondary release once more at the damping layer, not only improve the high effect of buffering, protective gas after the damping layer release more is the dispersion simultaneously, can effectively cover the regional fire prevention of bumper and handle.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can realize pre-buffering by combining with the existing buffering material by utilizing the air compression cover, highly extrude the force reduction layer after absorbing energy deformation, further buffer the impact force, transmit the pressure to the force conversion layer at the rear side of the force reduction layer by means of the force transmission compression ball, ensure that non-Newtonian liquid in the force conversion layer and the force conversion ball start to play a role in resisting pressure, particularly, the force conversion ball actively releases substances capable of quickly freezing water in the force conversion ball after utilizing the characteristic of liquid energy absorption, force the water freezing after energy absorption to convert the solid characteristic to resist the impact force, melt ice by utilizing the characteristic of frictional heat generation, agree with the secondary rebound phenomenon caused by the impact force, can reduce the damage to the minimum, realize obvious cooling in the impact process of the vehicle body, and avoid the secondary damage of fire caused by huge impact, effectively improving the anti-collision effect and the safety function of the automobile bumper.
(2) The force transforming ball is divided into various sizes, and is distributed along the direction close to the reinforcing cross beam from big to small according to the size, the distribution characteristic can ensure that the force transforming ball has a larger contact area, the force is well transferred, and meanwhile, along with the increase of the size reduction quantity, the impact force can be highly dispersed, so that a good force transforming effect is realized.
(3) The power ball includes rigidity hemisphere and aqueous hemisphere, the aqueous hemisphere is kept away from rigidity hemisphere one end and is connected with the protection pearl, the protection pearl is close to rigidity hemisphere one end and is connected with the friction post, inlay in rigidity hemisphere the inner be connected with friction post assorted friction cover, can realize rigid-flexible combination between rigidity hemisphere and the aqueous hemisphere, both can realize the transmission of power through the rigidity hemisphere, also can realize the buffering of dissolving of power through the aqueous hemisphere, the protection pearl plays the effect of protection aqueous hemisphere, avoid aqueous hemisphere excessive wearing and tearing phenomenon to appear in deformation process, the cooperation of friction post and friction cover can realize changing external impact energy into kinetic energy and heat energy, external impact force can be consumed on the one hand, on the other hand can be used for subsequent ice-melt action with the heat.
(4) Set up a plurality of evenly distributed's accuse gas pocket on the rigid hemisphere, accuse gas pocket outside opening part covers has the pre-compaction membrane of being connected with rigid hemisphere surface, the activity is inlayed magnetic microsphere in the accuse gas pocket, and be connected with elasticity between magnetic microsphere and the pre-compaction membrane and act as go-between, still set up a plurality ofly on the rigid hemisphere internal surface with magnetic microsphere assorted activity ball groove, activity is inlayed and is had the pre-compaction membrane that matches with magnetic microsphere earlier and receive the extrusion and deformation shrink before the rigid hemisphere receives the extrusion, utilize gaseous doing the power and force the magnetic microsphere to remove in accuse gas pocket, then utilize magnetic attraction to drive the spin dissolving ball and rotate at activity ball groove, and then trigger the action of freezing with the water contact in the water-bearing hemisphere.
(5) Rotation is dissolved ball and is included the hydrophobic ball, the closed groove has been seted up near magnetism microballon one end to the hydrophobic ball, closed groove in-connection has interior magnetic path, closed groove notch department seals and is connected with water-soluble layer, water-soluble layer internal surface inlays and is connected with a plurality of ice-making particles, interior magnetic path is used for following the magnetic field of magnetism microballon and then drives the hydrophobic ball and rotate, water-soluble layer plays the guard action and the effect of holding to the ice-making particle, water-soluble layer and water contact begin to dissolve behind hydrophobic ball rotation direction, and expose ice-making particle and also dissolve in step, and ice-making particle dissolves and can follow the surrounding environment and absorb a large amount of heats, water freezes from this fast and provides certain intensity and resists the impact force, avoid the excessive permanent.
(6) The closed groove outside is inlayed and is connected with water-swelling rubber circle, and meets water-swelling rubber circle and wrap up water-soluble layer, and the closed inslot is filled with highly-compressed air, meets water-swelling rubber circle and plays the effect on the water-soluble layer of protection, avoids it and moisture contact in advance, after water-soluble layer dissolves, the highly-compressed air in closed groove can be found the horse and carry the ice-making particle and disperse fast in aqueous for dissolve speed.
(7) The hydrophobic ball is made of hydrophobic materials, the water-soluble layer is made of water-soluble materials, the ice-making particles are made of saltpeter, the hydrophobic ball prevents water in the water-containing hemisphere from entering the movable ball groove to interfere with the water-soluble layer in advance by utilizing the hydrophobic effect of the hydrophobic ball, and the saltpeter can absorb a large amount of heat when being dissolved in the water.
(8) The damping layer adopts high elasticity porous material to make, it adopts plastic material to make to press the hood, and it has protective gas to press the hood intussuseption, protective gas includes but not limited to carbon dioxide and nitrogen gas, when pressing the hood energy-absorbing deformation, can squeeze into the damping layer with protective gas, thereby force the damping layer inflation to improve its buffering effect, receive extrusion back protective gas secondary release once more at the damping layer, not only improve the high effect of buffering, protective gas after the damping layer release more is the dispersion simultaneously, can effectively cover the regional fire prevention of carrying out of bumper and handle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of an energy absorbing cleat portion of the present invention;
FIG. 3 is a schematic structural view of a force ball according to the present invention in a normal state;
FIG. 4 is a schematic structural diagram of the present invention in a variable spherical state;
FIG. 5 is a schematic view of the structure of the self-rotating lyosphere of the present invention;
fig. 6 is a schematic view of the structure at a in fig. 5.
The reference numbers in the figures illustrate:
the automobile bumper comprises a bumper shell 1, an energy-absorbing splint 2, a force reducing layer 21, a force changing layer 22, a reinforcing beam 3, a gas compression cover 4, a force transmission rod 5, non-Newtonian liquid 6, a force transmission pressure ball 7, a force changing ball 8, a rigid hemisphere 81, a water-containing hemisphere 82, a protective bead 83, a friction column 84, a friction sleeve 85, a pre-pressed film 86, an elastic pull wire 87, a magnetic microsphere 88, a self-rotating dissolving ball 9, a hydrophobic ball 91, an inner magnetic block 92, a water-swelling rubber ring 93, a water-soluble layer 94 and ice-making particles 95.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, an automobile front bumper assembly includes a bumper shell 1, an energy-absorbing clamp plate 2 and a reinforcing beam 3, the energy-absorbing clamp plate 2 is embedded between the bumper shell 1 and the reinforcing beam 3, the energy-absorbing clamp plate 2 includes a force-reducing layer 21 and a force-transforming layer 22 which are connected, the force-transforming layer 22 is located at one side close to the reinforcing beam 3, one end of the force-reducing layer 21 close to the bumper shell 1 is connected with a plurality of uniformly distributed air compression hoods 4, the force-reducing layer 21 is embedded with a plurality of force-transmitting rods 5 corresponding to the air compression hoods 4, one end of each force-transmitting rod 5 extends into the air compression hoods 4, one end of each force-transmitting rod 5 far from the air compression hoods 4 is connected with a force-transmitting pressure ball 7, the force-transmitting pressure ball 7 is embedded at the connection position of the force-reducing layer 21 and the force-transforming layer 22, and the force-transforming layer 22 is filled with a.
The non-Newtonian liquid 6 is filled in the force-transforming layer 22, and gaps are reserved between every two adjacent force-transforming balls 8, so that the impact force buffering effect of the force-transforming layer 22 on impact force can be remarkably improved.
The force transforming ball 8 is divided into various sizes, and is distributed along the direction close to the reinforcing beam 3 from large to small according to the size, the distribution characteristic can ensure that the force transforming ball 7 has a larger contact area, the force is well transferred, and meanwhile, along with the increase of the size reduction quantity, the impact force can be highly dispersed, so that a good force transforming effect is realized.
Referring to fig. 3-4, the force-melting ball 8 includes a rigid hemisphere 81 and a water-containing hemisphere 82, one end of the water-containing hemisphere 82 away from the rigid hemisphere 81 is connected with a protective bead 83, one end of the protective bead 83 close to the rigid hemisphere 81 is connected with a friction column 84, a friction sleeve 85 matched with the friction column 84 is connected to the inner end of the rigid hemisphere 81 in an embedded manner, rigid-flexible combination can be achieved between the rigid hemisphere 81 and the water-containing hemisphere 82, force transmission can be achieved through the rigid hemisphere 81, force chemical buffering can be achieved through the water-containing hemisphere 82, the protective bead 83 plays a role in protecting the water-containing hemisphere 82, excessive abrasion of the water-containing hemisphere 82 in a deformation process is avoided, the friction column 84 and the friction sleeve 85 are matched to achieve conversion of external impact energy into kinetic energy and thermal energy, on the one hand, external impact force can be consumed, and.
The rigid hemisphere 81 is made of high-strength hard material, the water-containing hemisphere 82 is made of elastic waterproof material, and the friction column 84 and the friction sleeve 85 are both made of high-friction-coefficient material.
A plurality of uniformly distributed air control holes are formed in the rigid hemisphere 81, a prepressing film 86 connected with the outer surface of the rigid hemisphere 81 covers an opening at the outer side of each air control hole, magnetic microspheres 88 are movably embedded in the air control holes, an elastic pull wire 87 is connected between each magnetic microsphere 88 and each prepressing film 86, a plurality of movable ball grooves matched with the magnetic microspheres 88 are further formed in the inner surface of the rigid hemisphere 81, self-spinning dissolving balls 9 matched with the magnetic microspheres 88 are movably embedded in the movable ball grooves, the prepressing films 86 are extruded and deformed and contracted before the rigid hemisphere 81 is extruded, the magnetic microspheres 88 are forced to move in the air control holes by gas acting, then the self-spinning dissolving balls 9 are driven to rotate in the movable ball grooves by magnetic attraction, and then contact with water in the water-containing hemisphere 82 to trigger icing action.
Referring to fig. 5-6, the autorotation hydrosphere 9 includes a hydrophobic sphere 91, a closed groove is formed at one end of the hydrophobic sphere 91 close to the magnetic microsphere 88, an inner magnetic block 92 is connected in the closed groove, a water soluble layer 94 is connected at the notch of the closed groove in a closed manner, a plurality of ice-making particles 95 are embedded and connected on the inner surface of the water soluble layer 94, the inner magnetic block 92 is used for driving the hydrophobic sphere 91 to rotate along with the magnetic field of the magnetic microsphere 88, the water soluble layer 94 plays a role in protecting and containing the ice-making particles 95, the water soluble layer 94 starts to dissolve when being contacted with water after the hydrophobic sphere 91 rotates, the exposed ice-making particles 95 are also dissolved synchronously, the ice-making particles 95 can absorb a large amount of heat from the surrounding environment, water is quickly frozen to provide certain strength to resist impact force, and the water-.
Inlay in the closed groove outside and be connected with water-swelling rubber circle 93, and water-swelling rubber circle 93 wraps up water-soluble layer 94, and the closed inslot intussuseption is filled with highly-compressed air, and water-swelling rubber circle 93 plays the effect of the water-soluble layer 94 of protection, avoids it to contact with moisture in advance, dissolves the back at water-soluble layer 94, and the highly-compressed air in closed groove can be found the horse and carry ice-making particle 95 at aquatic fast dispersion for dissolve speed.
The hydrophobic ball 91 is made of hydrophobic materials, the water soluble layer 94 is made of water soluble materials, the ice making particles 95 are made of saltpeter, the hydrophobic ball 91 utilizes the hydrophobic effect of the saltpeter to prevent water in the water-containing hemisphere 82 from entering the movable ball groove to interfere with the water soluble layer 94 in advance, and the saltpeter can absorb a large amount of heat when being dissolved in the water.
The invention can be combined with the existing buffer material, utilize the compressed air cover 4 to realize pre-buffering, highly extrude the force reducing layer 21 after absorbing energy deformation, further buffer the impact force, simultaneously transmit the pressure to the force melting layer 22 at the rear side of the force reducing layer 21 by the force transmitting press ball 7, the non-Newtonian liquid 6 and the force melting ball 8 in the force melting layer 22 begin to play a role of pressure resistance, especially, the force melting ball 8 actively releases substances capable of quickly freezing water in the inner part after utilizing the characteristic of liquid energy absorption, the water freezing after energy absorption is forced to be converted into solid characteristic to resist the impact force, and the ice is melted by utilizing the characteristic of friction heat generation, the damage can be reduced to the lowest, meanwhile, the body can realize obvious temperature reduction in the impact process, and avoid the secondary fire damage caused by the impact, effectively improving the anti-collision effect and the safety function of the automobile bumper.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a car front bumper assembly, includes bumper shell (1), energy-absorbing splint (2) and web beam (3), energy-absorbing splint (2) inlay and adorn between bumper shell (1) and web beam (3), its characterized in that: energy-absorbing splint (2) are including the subtracting power layer (21) and the power of change layer (22) that are connected, and power of change layer (22) are located the one side that is close to web beam (3), subtract power layer (21) and be close to bumper shell (1) one end and be connected with a plurality of evenly distributed's pressure gas hood (4), inlay in power of subtracting layer (21) and be connected with a plurality of and pressure gas hood (4) corresponding power transmission stick (5), and power transmission stick (5) one end extends to in pressure gas hood (4), power transmission stick (5) keep away from pressure gas hood (4) one end and are connected with power transmission pressure ball (7), and power transmission pressure ball (7) inlay in the junction that subtracts power layer (21) and power of change layer (22), power of change layer (22) intussuseption is filled with a plurality of evenly distributed's power ball (8).
2. The automotive front bumper assembly of claim 1, wherein: the force-changing balls (8) are divided into various sizes and distributed along the direction close to the reinforcing cross beam (3) from large to small according to the sizes.
3. The automotive front bumper assembly of claim 2, wherein: change power ball (8) including rigid hemisphere (81) and moisture hemisphere (82), moisture hemisphere (82) are kept away from rigid hemisphere (81) one end and are connected with protection pearl (83), protection pearl (83) are close to rigid hemisphere (81) one end and are connected with friction post (84), inlay in rigid hemisphere (81) the inner and be connected with friction post (84) assorted friction cover (85).
4. The automotive front bumper assembly of claim 3, wherein: set up a plurality of evenly distributed's accuse gas pocket on rigid hemisphere (81), accuse gas pocket outside opening part covers pre-compaction membrane (86) of being connected with rigid hemisphere (81) surface, magnetism microballon (88) have been inlayed in the activity of accuse gas pocket, and be connected with elasticity stay wire (87) between magnetism microballon (88) and pre-compaction membrane (86), still seted up a plurality ofly on rigid hemisphere (81) internal surface and magnetism microballon (88) assorted activity ball groove, activity ball inslot activity is inlayed and is had and dissolve ball (9) with magnetism microballon (88) assorted rotation.
5. The automotive front bumper assembly of claim 4, wherein: the self-rotating dissolving ball (9) comprises a hydrophobic ball (91), a closed groove is formed in one end, close to the magnetic microsphere (88), of the hydrophobic ball (91), an inner magnetic block (92) is connected in the closed groove, a water-soluble layer (94) is connected to the opening of the closed groove in a closed mode, and a plurality of ice-making particles (95) are connected to the inner surface of the water-soluble layer (94) in an embedded mode.
6. The automotive front bumper assembly of claim 5, wherein: the water-swelling rubber ring (93) is inlaid and connected to the outer side of the closed groove, the water-swelling rubber ring (93) wraps the water-soluble layer (94), and high-pressure air is filled in the closed groove.
7. The automotive front bumper assembly of claim 6, wherein: the hydrophobic ball (91) is made of hydrophobic materials, the water-soluble layer (94) is made of water-soluble materials, and the ice-making particles (95) are made of saltpeter.
8. The automotive front bumper assembly of claim 3, wherein: the rigid hemisphere (81) is made of a high-strength hard material, the water-containing hemisphere (82) is made of an elastic waterproof material, and the friction column (84) and the friction sleeve (85) are both made of high-friction-coefficient materials.
9. The automotive front bumper assembly of claim 1, wherein: the force-changing layer (22) is filled with non-Newtonian liquid (6), and gaps are reserved between every two adjacent force-changing balls (8).
10. The automotive front bumper assembly of claim 1, wherein: the pressure reducing layer (21) is made of a high-elasticity porous material, the air compression cover (4) is made of a plastic material, and protective gas is filled in the air compression cover (4) and comprises but is not limited to carbon dioxide and nitrogen.
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| CN202011202679.4A CN112277854A (en) | 2020-11-02 | 2020-11-02 | Automobile front bumper assembly |
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| CN202011202679.4A CN112277854A (en) | 2020-11-02 | 2020-11-02 | Automobile front bumper assembly |
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| CN112277854A true CN112277854A (en) | 2021-01-29 |
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