CN218112563U

CN218112563U - Crash-proof energy absorption box assembly

Info

Publication number: CN218112563U
Application number: CN202221316845.8U
Authority: CN
Inventors: 赵洪林; 董月厚; 李宁; 左利学; 张宇怀
Original assignee: Tianjin Fengtong Shengyuan Technology Co ltd
Current assignee: Tianjin Fengtong Shengyuan Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-12-23
Anticipated expiration: 2032-05-30

Abstract

The utility model provides an anti-collision energy absorption box assembly, which comprises a connecting plate, a threaded rod, a spring washer, a fastening nut, an energy absorption box, a cross-shaped bracket, a double-buffering pressing plate structure and an energy absorption installation sleeve structure, wherein the four corners outside the connecting plate are respectively and integrally connected with the threaded rod; spring washers are sleeved on the outer walls of the threaded rods; the outer wall of the threaded rod is in threaded connection with a fastening nut, and the fastening nut is positioned on the outer side of the spring washer; the middle part of the left part of the connecting plate on the right side is integrally connected with an energy absorption box; the energy absorption box is internally and integrally connected with a cross-shaped bracket. The utility model discloses according to the clamp plate, annular mount pad, buffer spring, stopper and cushion rubber piece's setting is favorable to realizing the function of flexible buffering.

Description

Crash-proof energy absorption box assembly

Technical Field

The utility model belongs to the technical field of the energy-absorbing box assembly, especially, relate to an energy-absorbing box assembly of anticollision.

Background

The energy absorption box assembly is an important energy absorption device in an automobile bumper system, is mainly arranged between a cross beam and a frame longitudinal beam, and can be subjected to plastic deformation when a vehicle is in strong collision, so that a part of impact force can be absorbed, and the safety of passengers in the vehicle is further protected.

The prior energy absorption box assembly has some problems in the using process, such as:

1. the energy absorption effect is poor;

2. the problem of flexible buffering is inconvenient to realize;

3. inconvenient installation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that exists, the utility model provides an energy-absorbing box assembly of anticollision, wherein the utility model discloses a can realize through following technical scheme:

an anti-collision energy absorption box assembly comprises a connecting plate, a threaded rod, a spring washer, a fastening nut, an energy absorption box, a cross-shaped bracket, a double-buffering pressing plate structure and an energy absorption installation sleeve structure, wherein the threaded rod is integrally connected to four corners of the outer side of the connecting plate respectively; spring washers are sleeved on the outer walls of the threaded rods; the outer wall of the threaded rod is in threaded connection with a fastening nut, and the fastening nut is positioned on the outer side of the spring washer; the middle part of the left part of the connecting plate on the right side is integrally connected with an energy absorption box; the inside of the energy absorption box is integrally connected with a cross-shaped bracket; the double-buffering pressing plate structure is connected with the connecting plate; the energy-absorbing mounting sleeve structure is connected with the energy-absorbing box; the double-buffering pressing plate structure comprises a pressing plate, an annular mounting seat, a buffering spring, a limiting block and a buffering rubber block, wherein the pressing plate is integrally connected with the middle part of the left part of the cross-shaped support; the middle part of the left part of the pressing plate is integrally connected with an annular mounting seat; a buffer spring is arranged on the inner side of the annular mounting seat, and the left end of the buffer spring is sleeved on the outer wall of the limiting block; the left part of the limiting block is integrally connected with the middle part of the right part of the connecting plate on the left side; the middle part of the left part of the pressing plate is connected with a buffer rubber block in a gluing mode, and the buffer rubber block is located on the inner side of the buffer spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, according to the clamp plate, annular mount pad, buffer spring, stopper and cushion rubber piece's setting is favorable to realizing the function of flexible buffering.

2. The utility model discloses in, the setting of can inhale energy installation sleeve structure be favorable to solving the not good problem of energy-absorbing effect.

3. The utility model discloses in, connecting plate, threaded rod, spring washer and fastening nut's setting, be favorable to realizing being convenient for install the function in the external car with the device.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the double-buffering pressing plate structure of the present invention.

Fig. 3 is a schematic structural diagram of the energy-absorbing installation sleeve structure of the present invention.

In the figure:

1. a connecting plate; 2. a threaded rod; 3. a spring washer; 4. fastening a nut; 5. an energy absorption box; 6. a cross-shaped bracket; 7. a double buffer pressing plate structure; 71. a pressing plate; 72. an annular mounting seat; 73. a buffer spring; 74. a limiting block; 75. a buffer rubber block; 8. the sleeve structure can be installed by absorbing energy; 81. installing a sleeve; 82. a receiving groove; 83. a buffering energy-absorbing plate; 84. and (7) reinforcing the plate.

Detailed Description

The utility model is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, an anti-collision energy absorption box assembly comprises a connecting plate 1, a threaded rod 2, a spring washer 3, a fastening nut 4, an energy absorption box 5 and a cross-shaped bracket 6, wherein the four corners of the outer side of the connecting plate 1 are respectively and integrally connected with the threaded rod 2; the outer wall of each threaded rod 2 is sleeved with a spring washer 3 to play a role in preventing looseness; the outer wall of the threaded rod 2 is in threaded connection with a fastening nut 4, and the fastening nut 4 is positioned on the outer side of the spring washer 3; the middle part of the left part of the connecting plate 1 on the right side is integrally connected with an energy absorption box 5; the energy absorption box 5 is internally and integrally connected with a cross-shaped bracket 6, so that the energy absorption box 5 is in a wavy ladder type to collapse when being impacted.

The anti-collision energy absorption box assembly further comprises a double-buffering pressing plate structure 7 and an energy absorption installation sleeve structure 8, and the double-buffering pressing plate structure 7 is connected with the connecting plate 1, so that the flexible buffering function is realized; the energy-absorbing mounting sleeve structure 8 is connected with the energy-absorbing box 5, and the energy-absorbing effect is improved.

The double-buffering pressing plate structure 7 comprises a pressing plate 71, an annular mounting seat 72, a buffering spring 73, a limiting block 74 and a buffering rubber block 75, wherein the pressing plate 71 is integrally connected with the middle part of the left part of the cross-shaped bracket 6; the middle part of the left part of the pressing plate 71 is integrally connected with an annular mounting seat 72; a buffer spring 73 is arranged on the inner side of the annular mounting seat 72, and the left end of the buffer spring 73 is sleeved on the outer wall of the limiting block 74; the left part of the limiting block 74 is integrally connected with the middle part of the right part of the connecting plate 1 on the left side; the middle part of the left part of the pressing plate 71 is glued with a buffer rubber block 75, the buffer rubber block 75 is positioned at the inner side of the buffer spring 73, when the energy-absorbing box 5 receives impact force towards the left side, the energy-absorbing box 5 can move towards the left side, at the moment, the energy-absorbing box 5 pushes the pressing plate 71 towards the left side through the cross-shaped bracket 6, the pressing plate 71 compresses the buffer spring 73, so that the buffer spring 73 absorbs the impact force, when the left side of the buffer rubber block 75 is contacted with the limiting block 74, the buffer rubber block 75 continuously absorbs the impact force, and the function of flexible buffering is realized.

In this embodiment, as shown in fig. 3, the energy-absorbable installation sleeve structure 8 includes an installation sleeve 81, a receiving groove 82, a buffering and energy-absorbing plate 83 and a reinforcing plate 84, wherein the receiving groove 82 is sequentially formed in the upper side and the lower side of the left side of the installation sleeve 81 from left to right; the lower side of the right inner wall of the containing groove 82 is uniformly connected with a buffering energy-absorbing plate 83 in an integrated mode, when the energy-absorbing box 5 is impacted to the left side, the energy-absorbing box 5 can move to the left side, the energy-absorbing box 5 and the mounting sleeve 81 are arranged in an interference fit mode, so that the friction force generated when the energy-absorbing box 5 moves in the mounting sleeve 81 is large, the impact force can be absorbed, in the moving process of the energy-absorbing box 5, the energy-absorbing box 5 can impact the buffering energy-absorbing plate 83, the buffering energy-absorbing plate 83 can be stressed outwards, the buffering energy-absorbing plate 83 can completely enter the containing groove 82, the buffering energy-absorbing plate 83 can block the movement of the energy-absorbing box 5 in a stage mode, the energy-absorbing performance of the energy-absorbing box 5 is improved, and the problem of poor energy-absorbing effect is solved by combining flexible buffering and rigid buffering; reinforcing plates 84 are integrally connected to the middle parts of the front and rear parts of the mounting sleeve 81 and the upper and lower parts of the mounting sleeve 81.

In this embodiment, specifically, the left portion of the installation sleeve 81 and the left side are integrally connected to the middle portion of the right portion of the connection plate 1, and the inner side of the installation sleeve 81 is provided with the limit block 74.

In this embodiment, specifically, the energy absorption box 5 is inserted into the right side inside the mounting sleeve 81, and the energy absorption box 5 and the mounting sleeve 81 are in interference fit, wherein the energy absorption box 5 is located on the right side of the buffering energy absorption plate 83.

In this embodiment, specifically, the left portion of the reinforcing plate 84 is integrally connected to the periphery of the right portion of the connecting plate 1 on the left side.

In this embodiment, specifically, the left ends of the energy absorbing and buffering plates 83 are all disposed to be inclined inward.

In this embodiment, the cushion spring 73 is located inside between the upper cushion plate 83 and the lower cushion plate 83.

In this embodiment, specifically, the buffer spring 73 is a stainless steel spring.

In this embodiment, specifically, the mounting sleeve 81 is an aluminum alloy pipe with a square longitudinal section.

In this embodiment, specifically, the buffering energy-absorbing plate 83 and the connecting plate 1 both use aluminum alloy plates.

In this embodiment, specifically, the energy absorption box 5 is an aluminum alloy box with a square longitudinal section.

In this embodiment, specifically, the cross-shaped bracket 6 is an aluminum alloy frame with a cross-shaped longitudinal section, and when the right end of the energy-absorbing box 5 is impacted by the cross-shaped bracket 6, the energy-absorbing box 5 is collapsed in a wavy ladder manner, so that the energy-absorbing box 5 can effectively absorb impact force caused by impact.

Principle of operation

In the utility model, when the energy-absorbing box 5 receives the impact force to the left, the energy-absorbing box 5 can move to the left, and at the moment, the energy-absorbing box 5 pushes the pressing plate 71 to the left through the cross-shaped bracket 6, so that the pressing plate 71 compresses the buffer spring 73, and the buffer spring 73 absorbs the impact force, and when the left side of the buffer rubber block 75 contacts with the limiting block 74, the buffer rubber block 75 continues to absorb the impact force, thereby realizing the function of flexible buffering; when the energy-absorbing box 5 receives the impact force to the left side, the energy-absorbing box 5 then can move to the left side, set up because of energy-absorbing box 5 and installation sleeve 81 are interference fit, thereby the frictional force when energy-absorbing box 5 moves in installation sleeve 81 is great, and then can absorb the impact force, at the in-process that energy-absorbing box 5 removed, energy-absorbing box 5 can strike buffering energy-absorbing plate 83, buffering energy-absorbing plate 83 then can receive the power to the outside this moment, thereby buffering energy-absorbing plate 83 then can all get into and accomodate recess 82 inside, can block the removal of energy-absorbing box 5 in stage through buffering energy-absorbing plate 83, and then make the energy-absorbing performance of energy-absorbing box 5 improve, combine together through flexible buffer and rigid buffer, thereby solve the not good problem of energy-absorbing effect.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. The anti-collision energy absorption box assembly is characterized by comprising a connecting plate (1), a threaded rod (2), a spring washer (3), a fastening nut (4), an energy absorption box (5), a cross-shaped support (6), a double-buffering pressing plate structure (7) and an energy absorption mounting sleeve structure (8), wherein the threaded rod (2) is integrally connected to four corners of the outer side of the connecting plate (1); the outer wall of the threaded rod (2) is sleeved with a spring washer (3); the outer wall of the threaded rod (2) is in threaded connection with a fastening nut (4), and the fastening nut (4) is positioned on the outer side of the spring washer (3); the middle part of the left part of the connecting plate (1) on the right side is integrally connected with an energy absorption box (5); the energy absorption box (5) is internally and integrally connected with a cross-shaped bracket (6).

2. A crash box assembly according to claim 1, wherein said double cushioning press plate structure (7) is connected to the web (1); the energy-absorbing mounting sleeve structure (8) is connected with the energy-absorbing box (5); the double-buffering pressing plate structure (7) comprises a pressing plate (71), an annular mounting seat (72), a buffering spring (73), a limiting block (74) and a buffering rubber block (75), wherein the pressing plate (71) is integrally connected with the middle part of the left part of the cross-shaped support (6); the middle part of the left part of the pressing plate (71) is integrally connected with an annular mounting seat (72); a buffer spring (73) is arranged on the inner side of the annular mounting seat (72), and the left end of the buffer spring (73) is sleeved on the outer wall of the limiting block (74); the left part of the limiting block (74) is integrally connected with the middle part of the right part of the connecting plate (1) on the left side; the middle part of the left part of the pressing plate (71) is glued with a buffer rubber block (75), and the buffer rubber block (75) is positioned on the inner side of the buffer spring (73).

3. The crash-proof energy absorption box assembly according to claim 2, wherein the energy absorption mounting sleeve structure (8) comprises a mounting sleeve (81), a receiving groove (82), a buffering energy absorption plate (83) and a reinforcing plate (84), wherein the receiving groove (82) is respectively formed in the upper side and the lower side of the left side inside the mounting sleeve (81) from left to right; the lower side of the right inner wall of the containing groove (82) is uniformly connected with a buffering energy-absorbing plate (83); the middle parts of the front part and the rear part of the installation sleeve (81) and the upper part and the lower part of the installation sleeve (81) are integrally connected with reinforcing plates (84).

4. A crash box assembly according to claim 3 wherein the left portion of the mounting sleeve (81) is integrally connected to the middle portion of the right portion of the connecting plate (1) at the left side, and the inner side of the mounting sleeve (81) is provided with a stopper (74).

5. An anti-collision energy absorption box assembly according to claim 3, wherein the energy absorption box (5) is inserted into the right side inside the mounting sleeve (81), and the energy absorption box (5) is in interference fit with the mounting sleeve (81), wherein the energy absorption box (5) is positioned on the right side of the right buffering energy absorption plate (83).

6. A crash box assembly as defined in claim 3, wherein said gusset (84) is integrally connected at its left portion to said left portion of said web (1) at its right portion.

7. A crash box assembly as set forth in claim 3 wherein said bumper beam (83) is inclined inwardly at each of its left ends.