Nine-square anti-collision cushion
By combining a nine-grid structure design with multiple layers of buffer grilles, the shortcomings of existing anti-collision buffer pads in dealing with impacts of different directions and intensities are solved, achieving more efficient buffering performance and multi-directional impact resistance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 山东省路桥集团装备科技有限公司
- Filing Date
- 2025-08-13
- Publication Date
- 2026-07-24
AI Technical Summary
Existing anti-collision buffer pads have shortcomings in structural design and buffering performance, and cannot effectively cope with impact forces of different directions and intensities, resulting in low buffering efficiency and failure to make full use of space to improve buffering performance.
The nine-grid structure design divides the mounting shell into nine areas, combining low-density and high-density horizontal honeycomb units, double-layer buffer grids and elastic steel wire materials, and is securely installed through positioning strips and slots to form a multi-directional buffer system.
It significantly improves the overall impact resistance of the buffer pad, enabling it to better cope with angular and non-head-on collisions, reduce maintenance costs, and improve ease of use and reusability.
Smart Images
Figure CN224549015U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of anti-collision buffer technology, and in particular to a nine-grid anti-collision buffer pad. Background Technology
[0002] The crash buffer vehicle is parked behind the construction area. The buffer pads of the crash buffer vehicle absorb the impact energy of rear-end collisions, which helps protect the safety of road maintenance workers and equipment during highway maintenance.
[0003] Currently, existing crash pads have certain shortcomings in terms of structural design and cushioning performance. Some pads use a single structural design, which cannot effectively cope with impacts of different directions and intensities. For example, some simple rubber pads are prone to cracking or deformation under large impacts, losing their cushioning effect. Other pads lack a rational structural layout, failing to adapt to non-head-on collision conditions and failing to provide targeted cushioning based on the different impact locations, resulting in low cushioning efficiency and inability to fully utilize space to improve cushioning performance.
[0004] Therefore, a nine-grid anti-collision buffer pad is proposed to address the above problems. Utility Model Content
[0005] This invention addresses the shortcomings of existing technologies by developing a nine-grid anti-collision buffer pad. This invention can significantly improve its anti-collision buffering performance, more effectively cope with various complex collision situations, and absorb and disperse collision impact forces to the greatest extent.
[0006] The technical solution to the technical problem solved by this utility model is as follows: This utility model provides a nine-grid anti-collision buffer pad, including a mounting shell, two horizontal partitions and two vertical partitions. The horizontal partitions and vertical partitions divide the mounting shell into nine mounting areas. Each mounting area is provided with a horizontal honeycomb unit along the length direction perpendicular to the mounting shell. A buffer grid is also provided at one end of the mounting shell near the collision side along the length direction perpendicular to the mounting shell.
[0007] As an optimization, the buffer grid is provided in two layers, which are connected by elastic columns. Positioning strips are provided at the ends of the buffer grids, and slots for installing the positioning strips are provided on the inner wall of the mounting housing.
[0008] As an optimization, two positioning strips are provided. The cross-sections of both the positioning strips and the slots are T-shaped, and the ends of the two positioning strips that are far apart from each other and the ends of the two slots that are far apart from each other are semi-circular.
[0009] As an optimization, the interior of the buffer grid is made of elastic steel wire.
[0010] As an optimization, longitudinal honeycomb units are also provided in the mounting area near the side walls of the mounting housing. The longitudinal honeycomb units are arranged between the transverse honeycomb units and the side walls of the mounting housing along the length of the mounting housing.
[0011] As an optimization, both the horizontal and vertical honeycomb units include a honeycomb core, an upper honeycomb panel, and a lower honeycomb panel. The upper and lower honeycomb panels are vertically arranged, and the honeycomb core is attached between the upper and lower honeycomb panels by adhesive.
[0012] As an optimization, a cover plate is provided on the top of the mounting housing, and a fixing plate connected to the vehicle body is provided at the rear end. The thickness of both the mounting housing and the transverse partition is 2mm.
[0013] As an optimization, a riveting plate for connecting the mounting housing and the cover plate is also included, the riveting plate being "L" shaped.
[0014] As an optimization, a collision contact plate is provided at the front end of the mounting housing. The collision contact plate includes a straight plate and two oblique plates. The two oblique plates are respectively located at both ends of the straight plate, and the ends of the two oblique plates away from the straight plate are connected to the mounting housing. The straight plate and the mounting housing are connected by a connecting plate.
[0015] The effects provided in the utility model description are merely those of the embodiments, and not all the effects of the utility model. The above technical solution has the following advantages or beneficial effects: 1. Through a unique nine-grid structure design, the mounting shell is divided into nine areas, which can more effectively absorb and disperse energy, significantly improving the overall impact resistance of the cushioning pad.
[0016] 2. By setting low-density transverse honeycomb units in the middle and high-density transverse honeycomb units on both sides, the overall weight can be kept constant while better handling non-head-on collisions such as angular collisions and offset collisions.
[0017] 3. The double-layer buffer grid is connected by elastic columns and is securely installed in the mounting housing by positioning strips and slots, which greatly enhances the buffering effect and facilitates the inspection and replacement of the buffer grid during use, reducing maintenance costs and improving ease of use. The elastic steel wire, as the internal material of the buffer grid, has excellent elasticity and toughness, and can generate large deformation to absorb energy during collision. Moreover, it has strong recovery ability after deformation, ensuring the reusability of the buffer grid. Attached Figure Description
[0018] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0019] Figure 1 This is an overall structural diagram of the present invention; Figure 2 This is a structural diagram of the installation of the buffer grid of this utility model; Figure 3 This is a structural diagram of the buffer grid of this utility model; Figure 4 This utility model Figure 3 Enlarged view of point A in the middle; Figure 5 This is a structural diagram showing the position of the elastic column of this utility model; Figure 6 This is a structural diagram showing the position of the card slot in this utility model; Figure 7 This is a structural diagram showing the connection between the mounting housing and the collision contact plate of this utility model; Figure 8 This is a cross-sectional view of the horizontal and vertical honeycomb units of this utility model; Figure 9 This is a force-displacement curve diagram for different grids of this utility model.
[0020] In the diagram, 1. Mounting housing; 101. Slot; 2. Horizontal partition; 3. Vertical partition; 4. Horizontal honeycomb unit; 5. Buffer grid; 501. Positioning strip; 6. Elastic column; 7. Vertical honeycomb unit; 8. Honeycomb core; 9. Upper honeycomb panel; 10. Lower honeycomb panel; 11. Cover plate; 12. Fixing plate; 13. Riveting plate; 14. Collision contact plate; 1401. Direct plate; 1402. Misaligned plate; 15. Connecting plate. Detailed Implementation
[0021] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different examples. This repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present invention omits descriptions of well-known components and processing techniques and processes to avoid unnecessarily limiting the present invention. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate orientation or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] Example 1: This embodiment provides a nine-grid anti-collision buffer pad, such as Figures 1-6 As shown, the device includes a mounting housing 1, two horizontal partitions 2, and two vertical partitions 3. The horizontal partitions 2 and 3 divide the mounting housing 1 into nine mounting areas. Each mounting area has horizontal honeycomb units 4 arranged along the length perpendicular to the mounting housing 1. The density of the horizontal honeycomb units 4 in the three mounting areas in the middle of the mounting housing 1 is lower than the density of the horizontal honeycomb units 4 in the six mounting areas on both sides of the mounting housing 1. A buffer grid 5 is also provided at one end of the mounting housing 1 near the impact side, along the length perpendicular to the mounting housing 1. This unique nine-grid structure divides the mounting housing into nine areas, more effectively absorbing and dispersing energy, significantly improving the overall impact resistance of the buffer pad. The use of low-density horizontal honeycomb units 4 in the middle and high-density horizontal honeycomb units 4 on both sides allows for better handling of non-head-on collisions such as angular and offset collisions while maintaining the same overall weight.
[0023] The buffer grid 5 has two layers, which are connected by elastic columns 6. The end of the buffer grid 5 is provided with positioning strips 501. The inner wall of the mounting housing 1 is provided with slots 101 for installing positioning strips 501 to ensure that the buffer grid 5 is installed firmly and is not easy to shift during the collision.
[0024] Two positioning strips 501 are provided. Both the positioning strips 501 and the slots 101 have T-shaped cross-sections. The ends of the two positioning strips 501 that are far apart from each other and the ends of the two slots 101 that are far apart from each other are semi-circular. The T-shaped cross-section increases the friction and connection stability between the positioning strips 501 and the slots 101, while the semi-circular ends reduce stress concentration, thereby improving the reliability and service life of the structure.
[0025] The buffer grid 5 is made of elastic steel wire. The elastic steel wire has good elasticity and toughness, and can deform rapidly at the moment of impact, absorbing a large amount of impact energy and effectively reducing the impact of the collision on the protected object.
[0026] Example 2: like Figure 8 As shown in the above embodiment, longitudinal honeycomb units 7 are further provided in the installation area near the side walls of the mounting housing 1. These longitudinal honeycomb units 7 are arranged along the length of the mounting housing 1 between the transverse honeycomb units 4 and the side walls of the mounting housing 1. The two sets of longitudinal honeycomb units 7 near the impact end are connected to the buffer grid 5 at their front ends and to the first transverse partition 2 at their rear ends. The two sets of longitudinal honeycomb units 7 in the middle are connected to the transverse honeycomb units 4 at their front ends and to the front face of the second transverse partition 2 at their rear ends. The two sets of longitudinal honeycomb units 7 away from the impact end are connected to the rear face of the second transverse partition 2 at their front ends and to the rear inner wall of the mounting housing 1 at their rear ends. The longitudinal honeycomb units 7 and the transverse honeycomb units 4 cooperate to form a structural system with good buffering performance in multiple directions, further improving the buffer pad's ability to resist impact forces in different directions.
[0027] Both the horizontal honeycomb unit 4 and the vertical honeycomb unit 7 include a honeycomb core 8, an upper honeycomb plate 9, and a lower honeycomb plate 10. The upper honeycomb plate 9 and the lower honeycomb plate 10 are arranged vertically, and the honeycomb core 8 is attached between the upper honeycomb plate 9 and the lower honeycomb plate 10 by adhesive (using epoxy resin adhesive).
[0028] like Figure 1 As shown, a cover plate 11 is provided on the top of the mounting housing 1, and a fixing plate 12 connected to the vehicle body is provided at the rear end. The thickness of both the mounting housing 1 and the transverse partition 2 is 2mm. The fixing plate 12 fixes the entire gradient anti-collision buffer pad to the rear of the anti-collision buffer vehicle, providing support and fixation. The honeycomb core 8 and honeycomb panel, mounting housing 1, transverse partition 2, vertical partition 3 and cover plate 11 are all made of 3-series aluminum alloy, and the fixing plate 12 is made of Q355B material.
[0029] Example 3: like Figure 1 and Figure 7 As shown, based on embodiments 1 and 2, a riveting plate 13 is also included for connecting the mounting housing 1 and the cover plate 11. The riveting plate 13 is L-shaped. The L-shaped riveting plate 13 connects the cover plate 11 to the mounting housing 7, ensuring overall rigidity and facilitating maintenance and replacement.
[0030] A collision contact plate 14 is provided at the front end of the mounting housing 1. The collision contact plate 14 includes a direct plate 1401 and two inclined plates 1402. The two inclined plates 1402 are respectively located at both ends of the direct plate 1401, and the ends of the two inclined plates 1402 away from the direct plate 1401 are connected to the mounting housing 1. The direct plate 1401 and the mounting housing 1 are connected by a connecting plate 15. The combination of the direct plate 1401 and the inclined plates 1402 achieves initial diversion of the collision force, guides the collision force, and evenly transmits the collision force to all parts of the buffer pad, thereby improving the overall anti-collision effect of the buffer pad.
[0031] like Figure 9 As shown, observing the force-displacement diagrams under different numbers of grids, compared with the two-grid model, the second peak force of the four-grid model decreased by 21.67%, the second peak force of the six-grid model decreased by 5.6%, and the second peak force of the nine-grid model decreased by 47.5%.
[0032] Although the specific embodiments of the utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the utility model. Based on the technical solution of the utility model, various modifications or variations that can be made by those skilled in the art without creative effort are still within the scope of protection of the utility model.
Claims
1. A nine-grid anti-collision buffer pad, comprising a mounting housing (1), characterized in that: It also includes two horizontal partitions (2) and two vertical partitions (3). The horizontal partitions (2) and vertical partitions (3) divide the mounting housing (1) into nine mounting areas. Each mounting area is provided with horizontal honeycomb units (4) along the length direction perpendicular to the mounting housing (1). The density of horizontal honeycomb units (4) in the three mounting areas in the middle of the mounting housing (1) is less than the density of horizontal honeycomb units (4) in the six mounting areas on both sides of the mounting housing (1). A buffer grid (5) is also provided at one end of the mounting housing (1) near the collision side along the length direction perpendicular to the mounting housing (1).
2. The nine-grid anti-collision buffer pad according to claim 1, characterized in that: The buffer grid (5) is provided in two layers, and the two layers of buffer grid (5) are connected by elastic columns (6). The end of the buffer grid (5) is provided with positioning strips (501), and the inner wall of the mounting housing (1) is provided with slots (101) for installing positioning strips (501).
3. The nine-grid anti-collision buffer pad according to claim 2, characterized in that: Two positioning strips (501) are provided. The cross-sections of the positioning strips (501) and the slots (101) are both T-shaped. The ends of the two positioning strips (501) that are far apart from each other and the ends of the two slots (101) that are far apart from each other are both semi-circular.
4. The nine-grid anti-collision buffer pad according to claim 1 or 2, characterized in that: The buffer grid (5) has elastic steel wire inside.
5. The nine-grid anti-collision buffer pad according to claim 1 or 2, characterized in that: Longitudinal honeycomb units (7) are also provided in the installation area near the two side walls of the mounting housing (1). The longitudinal honeycomb units (7) are arranged between the transverse honeycomb units (4) and the side walls of the mounting housing (1) along the length direction of the mounting housing (1).
6. The nine-grid anti-collision buffer pad according to claim 5, characterized in that: Both the horizontal honeycomb unit (4) and the vertical honeycomb unit (7) include a honeycomb core (8), an upper honeycomb plate (9) and a lower honeycomb plate (10). The upper honeycomb plate (9) and the lower honeycomb plate (10) are vertically arranged, and the honeycomb core (8) is attached between the upper honeycomb plate (9) and the lower honeycomb plate (10) by adhesive.
7. The nine-grid anti-collision buffer pad according to claim 1 or 2, characterized in that: The top of the mounting housing (1) is provided with a cover plate (11), and the rear end is provided with a fixing plate (12) connected to the vehicle body. The thickness of the mounting housing (1) and the transverse partition (2) is 2mm.
8. The nine-grid anti-collision buffer pad according to claim 7, characterized in that: It also includes a riveting plate (13) for connecting the mounting housing (1) and the cover plate (11), the riveting plate (13) being "L" shaped.
9. The nine-grid anti-collision buffer pad according to claim 1 or 2, characterized in that: The front end of the mounting housing (1) is provided with a collision contact plate (14). The collision contact plate (14) includes a direct plate (1401) and two oblique plates (1402). The two oblique plates (1402) are respectively located at both ends of the direct plate (1401). The ends of the two oblique plates (1402) away from the direct plate (1401) are connected to the mounting housing (1). The direct plate (1401) and the mounting housing (1) are connected by a connecting plate (15).