CN216069895U - Buffering subassembly and vehicle - Google Patents

Abstract

The utility model discloses a buffer assembly and a vehicle, and belongs to the technical field of vehicles. The buffer assembly comprises a buffer support and a supporting framework, the buffer support and the supporting framework are mutually sleeved, the buffer support is connected with the first part, the supporting framework is connected with the second part, and a yielding cavity is formed between the buffer support and the supporting framework after mutual sleeving. Under the condition that the first part and the second part are close to each other and the sleeving depth of the buffer support and the supporting framework is increased, the buffer support and the supporting framework are mutually extruded, and at least one of the buffer support and the supporting framework is subjected to plastic deformation.

Description

Buffering subassembly and vehicle

Technical Field

The utility model belongs to the technical field of vehicles, and particularly relates to a buffer assembly and a vehicle.

Background

In the event of a traffic accident such as a collision of a vehicle with a pedestrian, the pedestrian is more likely to be injured, and particularly, the leg is injured more frequently.

In the prior art, various vehicle enterprises have been working on developing more rational and safer vehicle structures to reduce the injury of the pedestrian's legs from the vehicle in a collision. In the design of an automobile, a bumper is a protective structure on the automobile, so that the automobile body can be protected on one hand, and the collision damage of the automobile can be reduced on the other hand.

However, when a vehicle collides with a pedestrian, the pedestrian is injured. For example, the legs of a pedestrian often have high injury caused by the collision with a bumper and even cause injury to the pedestrian.

Disclosure of Invention

The embodiment of the utility model aims to provide a buffer assembly and a vehicle, which can solve the problem that in the prior art, when the vehicle collides with a pedestrian, the pedestrian is injured or even disabled.

In order to solve the technical problem, the utility model is realized as follows:

in a first aspect, embodiments of the present invention provide a cushioning assembly for reducing impact energy of a first part relative to a second part, the first part being disposed opposite the second part, the cushioning assembly being between the first part and the second part; it is characterized in that the preparation method is characterized in that,

the buffer assembly comprises a buffer support and a support framework, the buffer support and the support framework are mutually sleeved, the buffer support is connected with the first part, the support framework is connected with the second part, and a yielding cavity is formed between the buffer support and the support framework after the buffer support and the support framework are mutually sleeved;

the first part with the second part is close to each other, just the buffering support with under the condition that the supporting framework cup joints the degree of depth and increases, the buffering support with the supporting framework extrudees each other, the buffering support with at least one plastic deformation in the supporting framework.

In a second aspect, embodiments of the present invention provide a vehicle including the above-described cushion assembly.

In the embodiment of the utility model, the buffer assembly consists of the buffer bracket and the supporting framework which are sleeved with each other, and the arrangement of the buffer assembly increases the energy absorption space and improves the energy absorption efficiency. Have certain chamber of stepping down between the buffering support that cup joints each other and the supporting framework, the chamber of stepping down can make buffering support and supporting framework have the ascending surplus of activity in certain direction between the mutual extruded in-process of skeleton at buffering support, so that buffering support with one among the supporting framework produces plastic deformation more easily, and then weakens the striking energy after the striking to the protection by the object of striking, can be for human body or other objects etc.. The support framework is specifically used for supporting the position of the second part. Embodiments of the present invention have the beneficial effect of attenuating the energy of impact between the first and second parts.

When the bumper is applied to a vehicle, the crumple space of the bumper when being impacted can be enlarged, the energy absorption efficiency is improved, and the impact damage is reduced, for example, the damage degree to the impacted person can be reduced; in addition, only the buffer bracket is damaged probably after the collision, and the maintenance cost of the vehicle is reduced.

Drawings

FIG. 1 is a schematic structural diagram of a cushioning assembly in an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a cushion assembly in an embodiment of the present invention;

FIG. 3 is a diagram illustrating the connection relationship between the buffer members according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of the connection of the cushioning members in an embodiment of the present invention.

Description of reference numerals:

10. a buffer assembly; 101. a buffer bracket; 1011. a sleeving groove; 1012. a weakening structure; 102. a support framework; 1021. a skeleton body; 1022. a buffer section; 20. a limiting structure; 201. mounting grooves; 30. and a locking structure.

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 some, not all, embodiments of the present invention. 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.

The terms first, second and the like in the description and in the claims of the present invention are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the utility model may be practiced other than those illustrated or described herein, and that the objects identified as "first," "second," etc. are generally a class of objects and do not limit the number of objects, e.g., a first object may be one or more. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The following describes the buffer assembly and the vehicle provided by the embodiment of the utility model in detail through specific embodiments and application scenarios thereof with reference to the accompanying drawings.

Referring to fig. 1-4, an embodiment of the present invention provides a cushioning assembly 10 for reducing impact energy of a first part disposed opposite a second part with the cushioning assembly 10 therebetween; it is characterized in that the preparation method is characterized in that,

the buffering assembly 10 comprises a buffering support 101 and a supporting framework 102, the buffering support 101 and the supporting framework 102 are mutually sleeved, the buffering support 101 is connected with the first part, the supporting framework 102 is connected with the second part, and a yielding cavity is formed between the buffering support 101 and the supporting framework 102 after the buffering support 101 and the supporting framework 102 are mutually sleeved;

when the first part and the second part are close to each other and the depth of the socket joint between the buffer bracket 101 and the support frame 102 is increased, the buffer bracket 101 and the support frame 102 are pressed against each other, and at least one of the buffer bracket 101 and the support frame 102 is plastically deformed.

In the embodiment of the utility model, the buffer assembly 10 is composed of the buffer bracket 101 and the supporting framework 102 which are sleeved with each other, and the arrangement of the buffer assembly 10 increases the energy absorption space and improves the energy absorption efficiency. Have certain chamber of stepping down between the buffering support 101 that cup joints each other and the supporting framework 102, the chamber of stepping down can be at the in-process that buffering support 101 and supporting framework 102 extrude each other, make and have the ascending surplus of activity in certain direction between buffering support 101 and the supporting framework 102, so that buffering support 101 with one in the supporting framework 102 produces plastic deformation more easily, and then weakens the striking energy after the striking, with the protection by the object of striking, the object of being struck can be for human body or other objects etc.. The support frame 102 is particularly adapted to support the position of the second part. Embodiments of the present invention have the beneficial effect of attenuating the energy of impact between the first and second parts.

It should be noted that, when the first part and the second part are parts on the vehicle, when the vehicle collides, the first part and the second part approach each other, the buffer bracket 101 disposed on the first part and the support framework 102 disposed on the second part are pressed against each other, the yielding space provided by the buffer bracket 101 enables the support framework 102 to enter the yielding cavity, and the support framework 102 enters the yielding cavity to enable at least one of the buffer bracket 101 or the support framework 102 to generate plastic deformation.

It should be noted that a certain abdicating cavity is formed between the buffer bracket 101 and the support framework 102 which are sleeved with each other, and when a vehicle collides, the energy generated by the collision is converted into potential energy by the plastic deformation of the buffer bracket 101 or the support framework 102, so that the beneficial effect of weakening the impact energy between the first part and the second part is obtained.

Specifically, the first part and the second part are not limited to be provided on the vehicle, and may be provided on other devices, which is not limited in this embodiment.

Optionally, in the embodiment of the present invention, the supporting frame 102 includes a frame main body 1021 and a buffering portion 1022, the frame main body 1021 is connected to the buffering portion 1022, and the buffering portion 1022 is sleeved with the buffering bracket 101.

The framework body 1021 is specifically used for assembling a second part, and the second part can be a bumper of a vehicle; the buffer part 1022 is specifically used for causing plastic deformation of one of the buffer part 1022 and the buffer bracket 101 when the vehicle is in collision so as to absorb the impact energy, thereby reducing the impact damage.

Optionally, in the embodiment of the present invention, the buffer part 1022 is a truncated pyramid or a circular truncated cone, a socket groove 1011 is disposed on the buffer bracket 101, and the buffer part 1022 is at least partially located in the socket groove 1011; under the condition that the sleeving depth of the buffer support 101 and the support framework 102 is increased, the buffer part 1022 moves towards the inside of the sleeving groove 1011 and extrudes the inner wall of the sleeving groove 1011, and at least one plastic deformation of the inner wall of the sleeving groove 1011.

The receiving groove 1011 is specifically configured to receive a portion of the buffer part 1022, and when the vehicle does not collide, the buffer part 1022 is at least partially connected to the receiving groove 1011. When the vehicle collides, the buffer part 1022 moves into the engaging groove 1011, and the engaging depth between the buffer bracket 101 and the buffer part 1022 increases. Because the buffer part 1022 is in a truncated pyramid or circular truncated cone structure, the resistance of the buffer part 1022 to the movement in the socket groove 1011 increases with the increase of the socket depth, and when a certain socket depth is reached, the socket groove 1011 and the buffer part 1022 are squeezed with each other, and one of the buffer part 1022 and the buffer bracket 101 is plastically deformed to absorb the impact energy, so as to reduce the impact damage. In the case where at least one inner wall of the receiving groove 1011 is plastically deformed, the impact energy can be absorbed by the deformation of the inner wall of the receiving groove 1011, so as to reduce the impact damage.

In the present invention, the stiffness of the buffer part 1022 can be increased to reduce the plastic deformation of the buffer part 1022, and further, the buffer bracket 101 alone can be plastically deformed to absorb the impact energy to reduce the impact damage. This allows only the buffer bracket 101 to be destroyed after impact, thereby reducing the maintenance cost after impact.

Specifically, when the vehicle collides, the buffering portion 1022 moves towards the inside of the socket groove 1011, and because the buffering portion 1022 is in the shape of a prismoid or a circular truncated cone, the resistance generated by the buffering portion 1022 in the moving process is increased, and when the buffering portion 1022 and the socket groove 1011 reach a certain socket depth, the inner wall of the socket groove 1011 can generate plastic deformation due to the penetration of the buffering portion 1022, thereby improving the energy absorption efficiency. The shape of the receiving groove 1011 can be adapted to the shape of the buffer 1022 as needed.

The buffer part 1022 may be a truncated pyramid or a circular truncated cone, or may be an irregular shape whose end connected to the receiving groove 1011 is smaller than the end connected to the receiving groove 1011, which is far from the receiving groove 1011.

Optionally, in the embodiment of the present invention, a limiting structure 20 is disposed on the first part, and the limiting structure 20 is used for limiting the position of the buffer bracket 101.

The first part is specifically used for fixing most parts of the vehicle, and the limiting structure 20 is used for fixing the position of the buffer bracket 101 when the vehicle is not collided; when a vehicle collides, the limiting structure 20 is used for limiting the movable stroke of the buffer bracket 101 not to exceed the position of the limiting structure 20, and the effect of preventing the buffer bracket 101 from colliding with the first part and causing the first part to be damaged is achieved.

Specifically, the limit bracket plays a role in fixing the buffer bracket 101, and ensures that the activity of the buffer bracket 101 is not beyond the position of the limit structure 20, so that the buffer bracket 101 is prevented from swinging during the activity, the direct collision between the buffer bracket 101 and the first part is avoided as much as possible, the first part is prevented from being damaged due to the direct collision, and the maintenance cost after the vehicle collision is reduced.

Optionally, in the embodiment of the present invention, an installation groove 201 is formed on the limiting structure 20, and the buffer bracket 101 is located in the installation groove 201.

Among them, the mounting groove 201 is provided at a position of a side wall directly connected to the buffer, particularly, at a certain position where the buffer bracket 101 is mounted at the time of assembly. The mounting groove 201 may be integrally formed with the first component, or may be an external structure fixedly connected to the first component, which is not limited in this embodiment.

It should be noted that, the mounting groove 201 is provided on 4 side walls of the limiting structure 20, the buffer support 101 is located in the mounting groove 201 and keeps a certain distance from the limiting structure 20, the mounting groove 201 prevents the buffer support 101 from shaking, and meanwhile, the buffer support 101 is ensured not to be separated from the limiting structure 20.

Optionally, in the embodiment of the present invention, at least one weakening structure 1012 is disposed on the buffer bracket 101, and the weakening structure 1012 is used for reducing the local strength of the buffer bracket 101.

When a vehicle collides, the weakening structure 1012 is specifically used for concentrating an acting force generated by the vehicle collision, reducing the local strength of the buffer bracket 101, and further enabling the buffer bracket 101 to be more easily damaged at the position of the weakening structure 1012, so that plastic deformation occurs in the damage process, and more impact energy is absorbed.

It should be noted that the weakening structure 1012 is not necessarily a specific outer structure, but may be an inner region where stress concentration occurs, and the weakening structure 1012 weakens the strength of the wall of the buffer bracket 101, and facilitates the stress concentration to be formed in the vicinity of the weakening structure 1012, so that failure, specifically, plastic deformation and cracking, occurs around the weakening structure 1012. Weakening the plastic deformation and cracking of the structure 1012 has the beneficial effect of weakening the impact energy between the first part and the second part, and in addition, weakening the plastic deformation and cracking of the structure 1012 can absorb the impact energy, thereby reducing the impact damage, avoiding the direct collision between the buffer bracket 101 and the first part as much as possible, avoiding the damage of the first part caused by the direct collision and reducing the maintenance cost after the vehicle collision.

Optionally, in an embodiment of the present invention, the weakening structure 1012 is a weakening groove or a weakening hole.

The weakening groove or the weakening hole is used for strengthening stress concentration on the buffer bracket 101, wherein the weakening hole may be a circular hole, a square hole, a long hole, a polygonal hole or a special-shaped hole, and the type of the weakening hole may also be a through hole or a blind hole, which is not limited in this embodiment. The present embodiment is also not limited to the type and shape of the weakening groove, and is specifically set as required.

It should be noted that weakening the grooves or weakening the holes strengthens the stress concentration on the buffer bracket 101, and the energy generated by the vehicle collision is absorbed by weakening the plastic deformation and cracking around the grooves or weakening the holes, and the plastic deformation and cracking of the buffer bracket 101 can play a role of buffering and absorbing energy, so that the buffer bracket 101 and the first part are prevented from directly colliding as much as possible, the first part is prevented from being damaged due to the direct collision, and the maintenance cost after the vehicle collision is reduced.

Optionally, in the embodiment of the present invention, a locking structure 30 is disposed at a position where the buffer bracket 101 is engaged with the supporting frame 102, and the locking structure 30 is used for maintaining an initial assembling position of the buffer bracket 101 and the supporting frame 102.

When the vehicle is not in collision, the locking structure 30 is specifically used for locking the position between the buffer bracket 101 and the supporting framework 102, and plays a role in preventing the buffer bracket 101 from being separated from the supporting framework 102; when the vehicle collides, the locking structure 30 is disabled, and the buffer part 1022 moves into the receiving groove 1011.

It should be noted that the initial assembly position is a position between the cushion structure and the support frame 102 when the cushion structure is at least partially fitted to the support frame 102 when the vehicle is not in collision.

Optionally, in the embodiment of the present invention, the locking structure 30 includes a limiting protrusion and a limiting groove, and the limiting protrusion is matched with the limiting groove;

one of the limiting protrusion and the limiting groove is disposed on the buffer bracket 101, and the other is disposed on the supporting frame 102.

The limiting protrusion can be arranged on the buffer bracket 101, and the corresponding limiting groove can be arranged on the supporting framework 102; the limiting protrusion can also be arranged on the supporting framework 102, and the corresponding limiting groove is arranged on the buffering bracket 101. When the vehicle is not collided, the locking structure 30 is in a matching state, the limiting protrusions and the limiting grooves are connected with each other, and the buffer bracket 101 and the support framework 102 form a stable connection state; when a vehicle collides, the engagement state of the locking structure 30 is broken, the limit protrusion and the limit groove are separated, and the buffer part 1022 moves toward the inside of the socket groove 1011.

It should be noted that, the limiting protrusion and the limiting groove are connected to each other, so that the locking structure 30 is in a matching state, and can play a role in fixing the positions of the buffer bracket 101 and the support frame 102.

Optionally, an embodiment of the present invention further provides a vehicle including the above-mentioned cushion assembly 10, where the first component is a front end frame or a rear end frame of the vehicle, and the second component is a bumper.

It should be noted that, when the above-mentioned cushion assembly 10 is applied to a vehicle, it can increase the collapsing space of the bumper when being impacted, improve the energy-absorbing efficiency, and reduce the impact damage, for example, the damage to the impacted person can be reduced; in addition, only the cushion bracket 101 is broken after the collision, which reduces the maintenance cost of the vehicle.

Specifically, the bumper may be a front bumper corresponding to the front end frame, or may be a rear bumper corresponding to the rear end frame, which is not limited in this embodiment.

In the embodiment of the utility model, the buffer assembly 10 is composed of the buffer bracket 101 and the supporting framework 102 which are sleeved with each other, and the arrangement of the buffer assembly 10 increases the energy absorption space and improves the energy absorption efficiency. Have certain chamber of stepping down between the buffering support 101 that cup joints each other and the supporting framework 102, the chamber of stepping down can be at the in-process that buffering support 101 and supporting framework 102 extrude each other, make and have the ascending surplus of activity in certain direction between buffering support 101 and the supporting framework 102, so that buffering support 101 with one in the supporting framework 102 produces plastic deformation more easily, and then weakens the striking energy after the striking, with the protection by the object of striking, the object of being struck can be for human body or other objects etc.. The support frame 102 is particularly adapted to support the position of the second part. Embodiments of the present invention have the beneficial effect of attenuating the energy of impact between the first and second parts. When the buffer assembly 10 is applied to a vehicle, the collapse space of a bumper when being impacted can be enlarged, the energy absorption efficiency is improved, and the impact damage can be reduced, such as the injury degree to the impacted person can be reduced; in addition, only the cushion bracket 101 is broken after the collision, which reduces the maintenance cost of the vehicle.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of embodiments of the present invention is not limited to performing functions in the order illustrated or discussed, but may include performing functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. A cushioning assembly for reducing impact energy of a first part relative to a second part, the first part being disposed opposite the second part, the cushioning assembly (10) being between the first part and the second part; it is characterized in that the preparation method is characterized in that,

the buffer assembly (10) comprises a buffer support (101) and a supporting framework (102), the buffer support (101) and the supporting framework (102) are mutually sleeved, the buffer support (101) is connected with the first part, the supporting framework (102) is connected with the second part, and a yielding cavity is formed between the buffer support (101) and the supporting framework (102) after mutual sleeving;

under the condition that the first part and the second part are close to each other and the sleeving depth of the buffer bracket (101) and the supporting framework (102) is increased, the buffer bracket (101) and the supporting framework (102) are mutually extruded, and at least one of the buffer bracket (101) and the supporting framework (102) is plastically deformed.

2. The cushioning assembly according to claim 1, characterized in that the supporting framework (102) comprises a framework main body (1021) and a cushioning portion (1022), the framework main body (1021) is connected with the cushioning portion (1022), and the cushioning portion (1022) is sleeved with the cushioning bracket (101).

3. The cushioning assembly according to claim 2, characterized in that the cushioning portion (1022) is a truncated pyramid or a truncated cone, and the cushioning bracket (101) is provided with an engagement groove (1011), the cushioning portion (1022) being at least partially within the engagement groove (1011); under the condition that the sleeving depth of the buffer support (101) and the support framework (102) is increased, the buffer part (1022) moves towards the inside of the sleeving groove (1011) and extrudes the inner wall of the sleeving groove (1011), and at least one plastic deformation of the inner wall of the sleeving groove (1011) is realized.

4. The dampening assembly according to claim 1, characterized in that a stop structure (20) is provided on the first part, the stop structure (20) being adapted to limit the position of the dampening bracket (101).

5. The buffer assembly according to claim 4, wherein a mounting groove (201) is formed on the limiting structure (20), and the buffer bracket (101) is located in the mounting groove (201).

6. The dampening assembly according to claim 5, characterized in that the dampening bracket (101) is provided with at least one weakening structure (1012), the weakening structure (1012) being adapted to reduce the local strength of the dampening bracket (101).

7. The bumper assembly of claim 6, wherein the weakening structure (1012) is a weakening groove or a weakening hole.

8. The buffer assembly according to claim 4, wherein the matching position of the buffer bracket (101) and the supporting frame (102) is provided with a locking structure (30), and the locking structure (30) is used for maintaining the initial assembling position of the buffer bracket (101) and the supporting frame (102).

9. The cushion assembly of claim 8, wherein the locking structure (30) comprises a retaining protrusion and a retaining groove, the retaining protrusion and the retaining groove being adapted;

wherein, one of the limiting protrusion and the limiting groove is arranged on the buffer bracket (101), and the other is arranged on the supporting framework (102).

10. A vehicle, characterized by comprising a cushion assembly (10) as claimed in any one of claims 1 to 9; wherein the first part is a front end frame or a rear end frame of the vehicle, and the second part is a bumper.

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