CN221049648U - Automobile buffer component based on non-Newtonian fluid - Google Patents

Automobile buffer component based on non-Newtonian fluid Download PDF

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Publication number
CN221049648U
CN221049648U CN202322613464.7U CN202322613464U CN221049648U CN 221049648 U CN221049648 U CN 221049648U CN 202322613464 U CN202322613464 U CN 202322613464U CN 221049648 U CN221049648 U CN 221049648U
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newtonian fluid
box body
energy
plugging
pressure relief
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CN202322613464.7U
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李国旺
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Hebei Yongsheng Auto Parts Manufacturing Co ltd
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Hebei Yongsheng Auto Parts Manufacturing Co ltd
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Abstract

The utility model provides an automobile buffer component based on non-Newtonian fluid, which belongs to the technical field of automobile parts and comprises an energy-absorbing box body, wherein the energy-absorbing box body is of a honeycomb structure made of rubber, connectors for being connected with an automobile body and an anti-collision beam respectively are arranged on two sides of the energy-absorbing box body, and a plurality of crumple grooves are formed in the outer part of the energy-absorbing box body; the energy-absorbing box body is internally provided with a plurality of crumple containing cavities, the crumple containing cavities are internally used for filling non-Newtonian fluid, and pressure relief openings are formed in the inner walls between two adjacent crumple containing cavities which are arranged front and back. The utility model can well absorb energy and buffer in use, especially when single side is pressed, the pressure resistance of the reinforced energy absorption box structure is stronger, and the damage after collision is reduced.

Description

Automobile buffer component based on non-Newtonian fluid
Technical Field
The utility model belongs to the technical field of automobile parts, and particularly relates to an automobile buffer component based on non-Newtonian fluid.
Background
Automobiles are important vehicles in life of people at present, and safety is considered firstly in production and manufacture, so that a large number of buffer components are installed on the automobiles, and the buffer components mainly comprise chassis buffer systems, front and rear bumpers of the automobiles, anti-collision beams and the like.
As vehicles are more and road conditions are more and more complex, accidents such as collision and the like are very easy to occur in the process of driving automobiles, wherein front collision or rear collision (rear collision) is the most under low-speed driving. In the prior art, in order to effectively improve the protection effect of a front anti-collision beam and a rear anti-collision beam under low-speed collision of an automobile, an automobile energy absorption box is generally arranged between the front anti-collision beam and a front longitudinal beam and between the rear anti-collision beam and a rear longitudinal beam so as to fully absorb the collision energy of the automobile. Specifically, take the car to bump before taking place under low-speed driving as the example, wherein, car crash box one end is fixed with the preceding mounting panel of being connected with preceding crashproof roof beam, the other end is fixed with the back mounting panel of being connected with the front longitudinal beam, and be equipped with the crumple groove on the lateral wall of car crash box, thereby when the car bumps before taking place, in preceding crashproof roof beam will collide the energy transfer car crash box, car crash box absorbs the collision energy through the crumple deformation of crumple groove, can reduce the deflection of longeron, thereby ensured personnel's in the car safety.
However, the existing energy-absorbing box is simpler, only has a blank shell, and has an effect in buffering, but due to the internal cavity structure, the materials used by the energy-absorbing boxes of various brands are equivalent, the energy-absorbing effect is equivalent, most of the energy-absorbing boxes are in complex conditions such as oblique collision (non-forward collision) and the like when the vehicle is actually collided, and at the moment, the energy-absorbing boxes of the traditional simple structure are difficult to effectively exert the energy-absorbing effect due to uneven collision force born by the automobile energy-absorbing boxes, so that unilateral stress is serious.
Accordingly, there is a need to provide a new non-newtonian fluid based automotive cushioning member that addresses the above-described technical problems.
Disclosure of utility model
The utility model aims to provide an automobile buffer component based on non-Newtonian fluid, which solves the technical problems that the traditional energy-absorbing box structure in the prior art is difficult to effectively buffer a single side when offset collision occurs, and serious collision damage is easy to cause.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the automobile buffer component based on the non-Newtonian fluid comprises an energy absorption box body, wherein the energy absorption box body is of a honeycomb structure made of rubber, connectors used for being connected with an automobile body and an anti-collision beam respectively are arranged on two sides of the energy absorption box body, and a plurality of crumple grooves are formed in the outer portion of the energy absorption box body; the energy-absorbing box body is internally provided with a plurality of crumple containing cavities, the crumple containing cavities are internally used for filling non-Newtonian fluid, and pressure relief openings are formed in the inner walls between two adjacent crumple containing cavities which are arranged front and back.
With the adoption of the technical scheme, in one possible implementation mode, the opening direction of the pressure relief opening is consistent with the flow direction of the non-Newtonian fluid after the impact on the energy absorption box body, and the plugging mechanism capable of falling off after the impact is arranged in the pressure relief opening.
In combination with the above technical solution, in one possible implementation manner, the plugging mechanism includes a plugging shell slidably disposed in the pressure relief opening, the cross section of the plugging shell is in a T shape, and the tail end of the plugging shell is provided with a guiding head with a conical structure.
In combination with the above technical solution, in one possible implementation manner, the plugging shell is provided with a plurality of supporting skirtboards, and the plurality of supporting skirtboards are all in contact with the inner wall of the pressure relief opening, and the supporting skirtboards are made of elastic materials.
In combination with the above technical scheme, in a possible implementation manner, a pair of guide plates are slidably mounted on the plugging shell, the pair of guide plates are correspondingly arranged, the pair of guide plates and the plurality of supporting skirtboards are staggered, and friction plates contacted with the inner wall of the pressure relief opening are arranged on one sides, away from each other, of the pair of guide plates.
In combination with the above technical scheme, in a possible implementation manner, a pair of guide plates are arranged on one side of the plugging shell, and are respectively provided with a stress plate, and springs are respectively arranged on the pair of stress plates, and the free ends of the springs are fixedly connected with the inner wall of the plugging shell.
In combination with the above technical scheme, in a possible implementation manner, a pushing plate in sliding contact with a pair of stressed plates is arranged in the plugging shell, a threaded rod in threaded connection with the pushing plate is rotatably arranged on the plugging shell, and a screwing block is arranged at one end of the threaded rod outside the plugging shell.
In combination with the above technical scheme, in a possible implementation manner, both sides of the energy-absorbing box body are provided with a plurality of side covers, the side covers are respectively corresponding to the plurality of collapsing capacity cavities, and the side covers are provided with burst parts which can burst after being pressed.
In combination with the above technical solution, in one possible implementation manner, the pushing plate is in a conical structure, and contact surfaces of the pair of force plates and the pushing plate are inclined planes.
The automobile buffer component based on the non-Newtonian fluid has the beneficial effects that: compared with the prior art, the rubber energy-absorbing box body with the honeycomb structure, the multi-channel crumple grooves of the energy-absorbing box body and the crumple capacity cavity filled with non-Newtonian fluid are formed; when collision impact occurs, the energy absorption box body can absorb energy through the structural deformation of the energy absorption box body, the characteristic that the non-Newtonian fluid is subjected to phase change after being stressed can be utilized, the pressure resistance can be increased, a large amount of non-Newtonian fluid can be extruded to absorb energy, when the collision impact energy is large, the non-Newtonian fluid can enter the adjacent collapsing capacity cavity from the pressure relief opening to further dissipate energy, so that in use, energy absorption and buffering can be well carried out, and particularly when single side is stressed, the reinforced energy absorption box structure is stronger in pressure resistance, and damage after collision is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic front view of a non-Newtonian fluid-based automotive damping member according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional front view of a preferred embodiment of a non-Newtonian fluid-based automotive cushioning member provided by the present utility model;
FIG. 3 is an enlarged schematic view of the portion A shown in FIG. 2;
FIG. 4 is an enlarged schematic view of the portion B shown in FIG. 3;
FIG. 5 is a schematic view of a cross-sectional left-hand side view of the plugging mechanism of the present utility model;
FIG. 6 is a schematic diagram of a left-hand construction of the plugging mechanism of the present utility model;
Fig. 7 is a schematic right-view structure of the plugging mechanism in the present utility model.
Wherein, each reference sign is as follows in the figure:
1. An energy absorption box body; 2. a connector; 3. a crush cell; 4. a collapsing capacitive cavity; 5. a pressure relief port; 6. plugging the shell; 7. a guide head; 8. supporting the skirt plate; 9. a guide plate; 10. a friction plate; 11. a force-bearing plate; 12. a spring; 13. a push plate; 14. a threaded rod; 15. twisting blocks; 16. a side cover; 17. and a burst part.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the described embodiments are only some, but not all, embodiments of the present utility model, and that the specific embodiments described herein are intended to be illustrative of the present utility model and not limiting. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be further noted that the drawings and embodiments of the present utility model mainly describe the concept of the present utility model, and on the basis of the concept, some specific forms and arrangements of connection relations, position relations, power units, power supply systems, hydraulic systems, control systems, etc. may not be completely described, but those skilled in the art may implement the specific forms and arrangements described above in a well-known manner on the premise of understanding the concept of the present utility model.
When an element is referred to as being "fixed" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In the description of the present utility model, the meaning of "a plurality" means two or more, and the meaning of "a number" means one or more, unless specifically defined otherwise.
The non-newtonian fluid-based automotive cushioning members provided by the present utility model will now be described.
As shown in fig. 1 to 7, a first embodiment of the present utility model provides a vehicle cushioning member based on a non-newton fluid, which includes an energy absorption box body 1, wherein the energy absorption box body 1 is a honeycomb structure made of rubber, and both sides of the energy absorption box body 1 are respectively provided with a connector 2 for connecting with a vehicle body and an anti-collision beam, and a plurality of crumple grooves 3 are arranged outside the energy absorption box body 1; the energy-absorbing box body 1 is internally provided with a plurality of crumple containing cavities 4, the plurality of crumple containing cavities 4 are internally used for filling non-Newtonian fluid, and pressure relief openings 5 are formed in the inner walls between two adjacent crumple containing cavities 4 which are arranged front and back.
Compared with the prior art, the automobile buffer component based on the non-Newtonian fluid has the advantages that the rubber energy-absorbing box body with the honeycomb structure, the plurality of crumple grooves of the energy-absorbing box body and the crumple capacity cavity filled with the non-Newtonian fluid are formed; when collision impact occurs, the energy absorption box body can absorb energy through the structural deformation of the energy absorption box body, the characteristic that the non-Newtonian fluid is subjected to phase change after being stressed can be utilized, the pressure resistance can be increased, a large amount of non-Newtonian fluid can be extruded to absorb energy, when the collision impact energy is large, the non-Newtonian fluid can enter the adjacent collapsing capacity cavity from the pressure relief opening to further dissipate energy, so that in use, energy absorption and buffering can be well carried out, and particularly when single side is stressed, the reinforced energy absorption box structure is stronger in pressure resistance, and damage after collision is reduced.
Further, the direction of seting up of pressure release mouth 5 is unanimous with the non-Newtonian fluid flow direction after the energy-absorbing box body 1 receives the impact, is equipped with the shutoff mechanism that can drop after receiving the impact in the pressure release mouth 5, shutoff mechanism shutoff pressure release mouth 5 when pressure balance, is strikeed when pressure is too big to carry out the pressure release layer upon layer, the cushioning effect is better.
Specifically, the plugging mechanism comprises a plugging shell 6 which is slidably arranged in a pressure relief opening 5, the cross section of the plugging shell 6 is in a T shape, the tail end of the plugging shell 6 is provided with a guide head 7 with a conical structure, the plugging shell 6 in the pressure relief opening 5 in the plugging mechanism is used for plugging, the plugging shell 6 with the T-shaped structure is lighter, and meanwhile components such as a skirt plate 8 and the like are conveniently installed and supported.
Further, a plurality of support skirtboards 8 are arranged outside the plugging shell 6, the plurality of support skirtboards 8 are in contact with the inner wall of the pressure relief opening 5, the support skirtboards 8 are made of elastic materials, and the support skirtboards 8 made of elastic materials can be released from the pressure relief opening 5 to fix the plugging shell 6.
Further, a pair of guide plates 9 are slidably mounted on the plugging shell 6, the pair of guide plates 9 are correspondingly arranged, the pair of guide plates 9 and the plurality of supporting skirtboards 8 are staggered, friction plates 10 which are in contact with the inner wall of the pressure relief opening 5 are arranged on the sides, away from each other, of the pair of guide plates 9, the friction plates 10 are enabled to be in contact with the pressure relief opening 5 through the slidable guide plates 9, friction is adjusted, and flow pressure of non-Newtonian fluid during buffering is adjusted, so that different pressure relief forces are achieved.
Further, the stress plates 11 are arranged on one sides of the pair of guide plates 9, which are positioned in the plugging shell 6, springs 12 are arranged on the pair of stress plates 11, the free ends of the springs 12 are fixedly connected with the inner wall of the plugging shell 6, and the guide plates 9 are conveniently kept through the cooperation of the stress plates 11 and the springs 12.
Further, a pushing plate 13 in sliding contact with the pair of force bearing plates 11 is arranged in the plugging shell 6, a threaded rod 14 in threaded connection with the pushing plate 13 is rotatably arranged on the plugging shell 6, a screwing block 15 is arranged at one end of the threaded rod 14 outside the plugging shell 6, and the pushing plate 13 driven by the threaded rod 14 can push and separate the pair of force bearing plates 11, so that the position of the friction plate 10 is adjusted.
Further, a plurality of side covers 16 are arranged on two sides of the energy absorption box body 1, the side covers 16 are respectively arranged corresponding to the collapsing capacity cavities 4, the side covers 16 are provided with bursting parts 17 which can be burst after being pressed, and the bursting parts 17 on the side covers 16 can burst and release pressure after being excessively pressed, so that the buffering effect is further improved.
Further, the pushing plate 13 is in a conical structure, and the contact surfaces of the pair of force bearing plates 11 and the pushing plate 13 are inclined planes.
The working principle of the automobile buffer component based on the non-Newtonian fluid provided by the utility model is as follows:
When the energy absorption box is used, as shown in a diagram 2, the energy absorption box is installed, the left side of the energy absorption box is installed on a frame, the right side of the energy absorption box is installed on a bumper, and the direction of the vehicle is opposite to the direction of the vehicle by the guide head 7;
during assembly, the plugging shell 6 plugs the pressure relief opening 5, the supporting skirt plate 8 contacts the inner wall of the pressure relief opening 5 and is used for avoiding direct falling, then the screwing block 15 is rotated according to the pressure when the non-Newtonian fluid is filled and the pressure required during impact, the screwing block 15 drives the threaded rod 14 to rotate, the threaded rod 14 drives the pushing plate 13 to rotate, the pushing plate 11 is pushed to slide when the pushing plate 13 slides, the spring 12 is driven by the force bearing plate 11 to compress or stretch, and the guide plate 9 is driven by the force bearing plate 11 to slide at the same time, so that the friction plate 10 can adjust the contact pressure with the pressure relief opening 5;
When the pressure is impacted, the pressure is transmitted backwards along the front direction, at the moment, the front crumple groove 3 is compressed, the crumple container cavity 4 is compressed, the non-Newtonian fluid is compressed and then pushes against the plugging shell 6 in the pressure relief opening 5, so that the plugging mechanism is gradually separated from the pressure relief opening 5 until the pressure relief opening 5 is completely opened, the non-Newtonian fluid in the front crumple container cavity 4 flows into the rear crumple container cavity 4, and when the pressure is overlarge, the non-Newtonian fluid impacts the side seal cover 16 at the side edge, so that the crumple part 17 is crumpled, the crumple part 17 is provided with a crack, and is easy to crumble, but the opening pressure is larger than the maximum friction force of the plugging mechanism.
Compared with the related art, the automobile buffer component based on the non-Newtonian fluid has the following beneficial effects:
The utility model provides an automobile buffer component based on non-Newtonian fluid, a plurality of crumple grooves 3 are formed on the automobile buffer component based on non-Newtonian fluid, a crumple containing cavity 4 filled with the non-Newtonian fluid is formed in the automobile buffer component based on the honeycomb energy-absorbing box body 1, in use, energy absorption and buffering can be well carried out, especially when single side is pressed, the pressure resistance of the reinforced energy-absorbing box structure is stronger, damage after collision is reduced, the plugging mechanism plugs a pressure relief opening 5 when pressure is balanced, the plugging mechanism is impacted and opened when the pressure is overlarge, so that the pressure relief effect is good, plugging is carried out through a plugging shell 6 in the pressure relief opening 5 in the plugging mechanism, the plugging shell 6 with a T-shaped structure is lighter, meanwhile, components such as a supporting apron plate 8 can be conveniently installed, the plugging shell 6 can be fixed through the supporting apron plate 8 made of elastic materials, the contact with the pressure relief opening 5 is regulated through a slidable guide plate 9, friction is regulated, the flow pressure of the non-Newtonian fluid during buffering is regulated, different pressure relief force is achieved when the impact plate 10 is regulated, the impact plate is impacted and opened when the impact plate 11 and a spring 12 is in an oversized mode, the plugging plate is conveniently kept through the matching of the stress plate 11 and the spring 12, the impact plate is driven by the push plate 14, the impact plate is further, the impact plate is separated through the impact plate is pushed and the impact plate 16, the impact plate is further can be separated through the impact plate and the impact plate 16, the impact plate is further and the impact plate is separated, the impact plate is stressed and opened and the impact plate is stressed by the impact plate 16 when the impact plate is stressed and opened.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (9)

1. The automobile buffer component based on the non-Newtonian fluid is characterized by comprising an energy absorption box body (1), wherein the energy absorption box body (1) is of a honeycomb structure made of rubber, connectors (2) used for being connected with an automobile body and an anti-collision beam respectively are arranged on two sides of the energy absorption box body, and a plurality of crumple grooves (3) are formed in the outer portion of the energy absorption box body (1); a plurality of collapsing capacity cavities (4) are arranged in the energy-absorbing box body (1), the collapsing capacity cavities (4) are filled with non-Newtonian fluid, and pressure relief openings (5) are formed in the inner walls between two adjacent front-back collapsing capacity cavities (4).
2. The non-newtonian fluid based automotive cushioning member of claim 1, wherein: the pressure relief opening (5) is arranged in a direction consistent with the flow direction of the non-Newtonian fluid after the impact on the energy-absorbing box body (1), and a plugging mechanism which can fall off after the impact is arranged in the pressure relief opening (5).
3. The non-newtonian fluid based automotive cushioning member of claim 2, wherein: the plugging mechanism comprises a plugging shell (6) which is arranged in the pressure relief opening (5) in a sliding manner, the cross section of the plugging shell (6) is in a T shape, and the tail end of the plugging shell (6) is provided with a guide head (7) with a conical structure.
4. A non-newtonian fluid based automotive cushioning member according to claim 3, wherein: the plugging shell (6) is provided with a plurality of supporting skirtboards (8), the supporting skirtboards (8) are contacted with the inner wall of the pressure relief opening (5), and the supporting skirtboards (8) are made of elastic materials.
5. The non-newtonian fluid based automotive cushioning member of claim 4, wherein: the plugging shell (6) is provided with a pair of guide plates (9) in a sliding mode, the guide plates (9) are correspondingly arranged, the guide plates (9) are staggered with the supporting skirtboards (8), and friction plates (10) in contact with the inner wall of the pressure relief opening (5) are arranged on one sides, away from each other, of the guide plates (9).
6. The non-newtonian fluid based automotive cushioning member of claim 5, wherein: one side of the pair of guide plates (9) positioned in the plugging shell (6) is provided with a stress plate (11), the pair of stress plates (11) are provided with springs (12), and the free ends of the springs (12) are fixedly connected with the inner wall of the plugging shell (6).
7. The non-newtonian fluid based automotive cushioning member of claim 6, wherein: the plugging shell (6) is internally provided with a pushing plate (13) in sliding contact with a pair of stressed plates (11), the plugging shell (6) is rotatably provided with a threaded rod (14) in threaded connection with the pushing plate (13), and one end of the threaded rod (14) outside the plugging shell (6) is provided with a screwing block (15).
8. The non-newtonian fluid based automotive cushioning member of claim 7, wherein: the energy-absorbing box body (1) both sides all are equipped with a plurality of side seal covers (16), and a plurality of side seal covers (16) correspond a plurality of respectively the collapsing appearance matter chamber (4) set up, be equipped with on the side seal cover (16) and burst apart portion (17) that can burst apart after the pressurized.
9. The non-newtonian fluid based automotive cushioning member of claim 8, wherein: the pushing plate (13) is of a conical structure, and the contact surfaces of the pair of stressed plates (11) and the pushing plate (13) are inclined planes.
CN202322613464.7U 2023-09-26 2023-09-26 Automobile buffer component based on non-Newtonian fluid Active CN221049648U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322613464.7U CN221049648U (en) 2023-09-26 2023-09-26 Automobile buffer component based on non-Newtonian fluid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322613464.7U CN221049648U (en) 2023-09-26 2023-09-26 Automobile buffer component based on non-Newtonian fluid

Publications (1)

Publication Number Publication Date
CN221049648U true CN221049648U (en) 2024-05-31

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Application Number Title Priority Date Filing Date
CN202322613464.7U Active CN221049648U (en) 2023-09-26 2023-09-26 Automobile buffer component based on non-Newtonian fluid

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