Rear end cross beam connecting plate

Abstract

The utility model relates to the technical field of automobile parts, and discloses a rear end cross beam connecting plate which comprises two longitudinal beams, an anti-collision cross beam and an energy absorption box, a plurality of cylinders are fixedly connected to the inner surface of the rear side of the energy absorption box, and energy absorption cylinders are movably inserted into the cylinders. An energy absorption transverse plate is fixedly connected to the outer surface, away from the cylinder, of the energy absorption cylinder, a plurality of vertical springs are fixedly connected between the opposite outer surfaces of the energy absorption transverse plate and the energy absorption box, and transverse springs are fixedly connected to the outer surfaces of the left side and the right side of the energy absorption box. According to the rear-end cross beam connecting plate, when the anti-collision cross beam is subjected to impact force, the impact force is transmitted to the energy absorption cross plate, the impact force is vertically buffered by the vertical spring in cooperation with the energy absorption cylinder and the cylinder, and the impact force is transversely buffered by the buffer rotating rod in cooperation with the sliding block and the transverse spring, so that the impact force is buffered in multiple directions; and the impact resistance of the energy absorption transverse plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a rear end crossbeam connecting plate. Background Art

[0002] When a car collides, it needs certain devices to buffer the energy. The energy buffering devices mostly refer to the car's anti-collision beam. The anti-collision beam is a device used to reduce the absorption of collision energy when the vehicle is hit. It consists of a main beam, an energy absorption box, and a mounting plate connected to the car. The main beam and the energy absorption box can effectively absorb the collision energy when the vehicle collides at a low speed, and minimize the damage to the longitudinal beam of the vehicle body caused by the impact force. In this way, it plays a protective role on the vehicle. Anti-collision beams are set at the front and rear ends of the car.

[0003] In the prior art, common automobile cross beams are composed of energy absorbing components and cross plates. The energy absorbing components can only buffer the impact force in one direction, so that the cross plate has low impact resistance and is very easy to break after a car collision, thereby reducing the safety of the car. Therefore, a rear end cross beam connecting plate is proposed. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a rear end cross beam connecting plate to solve the problems mentioned in the above background technology.

[0005] The cam is an axially-coupled device for activating the rotation of the two wheels, and the cam is connected to the two wheels via a plurality of springs, each of which is connected to the two wheels respectively.

[0006] Furthermore, two fixing feet are fixedly connected to the rear outer surface of the energy absorption box, and the two fixing feet are fixedly connected to the outer surface of the energy absorption box away from the positioning blocks. Positioning grooves are provided at the centers of the front end outer surfaces of the two longitudinal beams, and receiving grooves are provided inside the longitudinal beams at the left and right ends of the positioning grooves. Limiting springs are fixedly connected inside the receiving grooves, and the other ends of the limiting springs are fixedly connected to the limiting blocks. Limiting holes are provided on the left and right outer surfaces of the positioning blocks.

[0007] Furthermore, the front outer surface of the energy-absorbing horizontal plate is fixedly connected with two fixing seats, the rear outer surface of the anti-collision beam is fixedly connected with two plug-in blocks, and slots are provided inside the two fixing seats.

[0008] Furthermore, the front outer surface of the fixing foot and the front outer surface of the longitudinal beam are each provided with two symmetrically arranged first screw holes, and the internal threads of the first screw holes are connected with first bolts.

[0009] Furthermore, the top outer surfaces of the fixing seat and the insert block are both provided with a second screw hole, and the inner threads of the second screw hole are connected with a second bolt.

[0010] Furthermore, a reinforcing cross beam is fixedly connected between the opposite outer surfaces of the two longitudinal beams.

[0011] Furthermore, the outer surfaces of the front and rear sides of the limit block facing the central end of the longitudinal beam are inclined outer surfaces.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The rear end cross beam connecting plate transmits the impact force to the energy absorbing cross plate when the anti-collision cross beam is subjected to the impact force. The vertical spring is used in conjunction with the energy absorbing tube and the cylinder to vertically buffer the impact force, and the impact force is laterally buffered by the buffer rotating rod, the slider and the transverse spring, thereby buffering the impact force in multiple directions and improving the impact resistance of the energy absorbing cross plate.

[0014] 2. The rear end beam connecting plate is provided with a fixing foot and a positioning block, so that the positioning block is inserted into the positioning groove, and the energy absorption box is initially positioned in cooperation with the limiting spring, the limiting block and the limiting hole, and then the energy absorption box and the longitudinal beam are fixed by the first bolt in cooperation with the first screw hole, and the anti-collision beam is fixed by providing an insert block, a fixing seat and a slot in cooperation with the second bolt and the second screw hole, thereby avoiding the traditional method of directly using bolts for installation, where the other end of the energy absorption box and the anti-collision beam is not subjected to force, resulting in the downward movement of the energy absorption box and the anti-collision beam due to gravity and being difficult to position. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model from top view;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the energy absorption box and the anti-collision beam of the utility model from top view;

[0018] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 5 It is a schematic diagram of the explosion structure of the anti-collision beam and the energy absorption box related structure of the utility model.

[0020] In the figure: 1. longitudinal beam; 2. anti-collision beam; 3. energy absorption box; 4. cylinder; 5. energy absorption cylinder; 6. vertical spring; 7. energy absorption horizontal plate; 8. buffer rotating rod; 9. transverse spring; 10. slider; 11. slide bar; 12. fixed foot; 13. positioning block; 14. positioning groove; 15. receiving groove; 16. limit spring; 17. limit block; 18. limit hole; 19. fixed seat; 20. plug block; 21. first bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Please refer to Figure 1-Figure 5The utility model provides a technical solution: a rear end cross beam connecting plate, including two longitudinal beams 1, an anti-collision cross beam 2 and an energy absorption box 3, a plurality of cylinders 4 are fixedly connected to the inner surface of the rear side of the energy absorption box 3, and energy absorption cylinders 5 are movably inserted in the interior of the plurality of cylinders 4, and the outer surface of the energy absorption cylinder 5 away from the cylinder 4 is fixedly connected to the energy absorption cross plate 7, and a plurality of vertical springs 6 are fixedly connected between the outer surfaces of the energy absorption cross plate 7 and the energy absorption box 3. The plurality of vertical springs 6 are respectively sleeved on the outer surfaces of the plurality of cylinders 4 and the energy absorption cylinder 5, and the left and right ends of the outer surface of the energy absorption cross plate 7 close to the energy absorption box 3 are rotatably connected with buffer rotating rods 8, and the outer surface of the buffer rotating rod 8 away from the energy absorption cross plate 7 is rotatably connected with a slider 10, and the left and right outer surfaces of the energy absorption box 3 are fixedly connected with a slide bar 11, and the two sliders 10 are respectively movably sleeved on the outer surfaces of the two slide bars 11, and the left and right outer surfaces of the energy absorption box 3 are fixedly connected with a transverse Spring 9, the other end of the transverse spring 9 is fixedly connected to the slider 10, and the transverse spring 9 is sleeved on the outer surface of the slide bar 11. In the present embodiment, when the anti-collision beam 2 is subjected to the impact force, the impact force is transmitted to the energy absorbing cross plate 7. The energy absorbing cross plate 7 is subjected to the force so that the energy absorbing tube 5 moves inside the cylinder 4, and the vertical spring 6 is deformed. The energy of the impact force is buffered and absorbed by the vertical spring 6, and the buffering rotating rod 8 is rotated. When the buffering rotating rod 8 rotates, it drives the slider 10 to slide on the outer surface of the slide bar 11, and the transverse spring 9 is deformed. The impact force is absorbed and buffered in the transverse direction, thereby buffering the impact force in multiple directions, thereby improving the anti-collision ability of the energy absorbing cross plate 7, and playing a damping role through the friction force between the cylinder 4 and the energy absorbing tube 5. When the anti-collision beam 2 is not subjected to external force, the vertical spring 6 and the transverse spring 9 can be reset to play the next anti-collision function.

[0023] Two fixing feet 12 are fixedly connected to the outer surface of the rear side of the energy absorption box 3, and the two fixing feet 12 are fixedly connected to the outer surface away from the energy absorption box 3 with positioning blocks 13. Positioning grooves 14 are provided at the centers of the front end outer surfaces of the two longitudinal beams 1. The interior of the longitudinal beam 1 is provided with receiving grooves 15 at both ends of the positioning grooves 14. The interior of the receiving grooves 15 is fixedly connected with a limiting spring 16, and the other end of the limiting spring 16 is fixedly connected with a limiting block 17. The outer surfaces of the left and right sides of the positioning block 13 are provided with limiting holes 18. In this embodiment, The energy absorption box 3 is installed. During installation, the positioning block 13 is first inserted into the corresponding positioning groove 14. When the positioning block 13 enters the positioning groove 14 and contacts the limit block 17, the limit block 17 is squeezed to both sides, and the limit spring 16 is deformed. As the positioning block 13 enters, the limit block 17 is received in the accommodating groove 15. When the limit block 17 contacts the limit hole 18, the limit block 17 is driven to be inserted into the limit hole 18 under the elastic force of the limit spring 16, thereby preliminarily limiting the longitudinal beam 1 and the positioning block 13.

[0024] Two fixing seats 19 are fixedly connected to the front outer surface of the energy-absorbing cross plate 7, and two plug blocks 20 are fixedly connected to the rear outer surface of the anti-collision beam 2. Slots are provided inside the two fixing seats 19. In the present embodiment, when the anti-collision beam 2 is fixed on the energy-absorbing cross plate 7, the plug blocks 20 are first inserted into the corresponding slots to preliminarily position the anti-collision beam 2.

[0025] The front outer surface of the fixing foot 12 and the front outer surface of the longitudinal beam 1 are each provided with two symmetrically arranged first screw holes, and the internal threads of the first screw holes are connected with first bolts 21. In this embodiment, the fixing foot 12 and the longitudinal beam 1 are fixed by screwing the second bolt into the second screw hole, thereby fixing the energy absorption box 3 on the surface of the longitudinal beam 1.

[0026] A second screw hole is provided on the top outer surface of the fixing seat 19 and the insert block 20, and the internal thread of the second screw hole is connected with a second bolt. In this embodiment, the second bolt is screwed into the inside of the second screw hole to fix the fixing seat 19 and the insert block 20, thereby fixing the anti-collision beam 2 on the energy absorbing cross plate 7.

[0027] A reinforcing crossbeam is fixedly connected between the opposite outer surfaces of the two longitudinal beams 1 . In this embodiment, the strength between the two longitudinal beams 1 is increased by the reinforcing crossbeam.

[0028] The outer surfaces of the front and rear sides of the limit block 17 facing the center end of the longitudinal beam 1 are inclined outer surfaces. In this embodiment, by setting the limit block 17 with an inclined outer surface, when the positioning block 13 contacts the limit block 17, the limit block 17 can be squeezed inward and the limit spring 16 can be deformed.

[0029] Working principle: When the utility model is used, the energy absorption box 3 is installed first. When installing, the positioning block 13 is first inserted into the corresponding positioning groove 14. When the positioning block 13 enters the positioning groove 14 and contacts the limit block 17, the limit block 17 is squeezed to both sides, and the limit spring 16 is deformed. As the positioning block 13 enters, the limit block 17 is stored in the receiving groove 15. When the limit block 17 contacts the limit hole 18, the limit block 17 is driven to be inserted under the elastic force of the limit spring 16. The limiting hole 18 is inside, thereby preliminarily limiting the longitudinal beam 1 and the positioning block 13. At this time, the second screw hole on the fixing foot 12 corresponds to the second screw hole on the longitudinal beam 1, and then the second bolt is screwed into the second screw hole to fix the energy absorption box 3, and then the anti-collision beam 2 is installed. During installation, align the plug block 20 with the slot of the fixing seat 19, and insert the plug block 20 into the slot. When the plug block 20 is inserted into the top of the slot, the threaded hole on the surface of the fixing seat 19 corresponds to the first screw hole on the surface of the plug block 20. , and then screw the first bolt 21 into the first screw hole to complete the installation of the anti-collision beam 2, thereby avoiding the situation in the traditional way of directly using bolts for installation, where the energy absorbing box 3 and the other end of the anti-collision beam 2 are not subjected to force, resulting in them moving downward due to gravity and being difficult to position. When the anti-collision beam 2 is subjected to impact force, the impact force is transmitted to the energy absorbing cross plate 7. The energy absorbing cross plate 7 is subjected to force to make the energy absorbing cylinder 5 move inside the cylinder 4, and the vertical spring 6 is deformed. The energy of the impact force is buffered and absorbed by the vertical spring 6, and the buffer rotating rod 8 is rotated. When the buffer rotating rod 8 rotates, it drives the slider 10 to slide on the outer surface of the slide rod 11, and the transverse spring 9 is deformed. The impact force is absorbed and buffered in the transverse direction, thereby buffering the impact force in multiple directions, improving the impact resistance of the energy absorbing cross plate 7, and playing a damping role through the friction between the cylinder 4 and the energy absorbing cylinder 5. When the anti-collision beam 2 is not subjected to external force, the vertical spring 6 and the transverse spring 9 can be reset to play the next anti-collision function.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rear end cross beam connecting plate, comprising two longitudinal beams (1), an anti-collision cross beam (2) and an energy absorption box (3), characterized in that: A plurality of cylinders (4) are fixedly connected to the inner surface of the rear side of the energy absorption box (3), and energy absorption cylinders (5) are movably inserted inside the plurality of cylinders (4). An energy absorption transverse plate (7) is fixedly connected to the outer surface of the energy absorption cylinder (5) away from the cylinder (4). A plurality of vertical springs (6) are fixedly connected between the energy absorption transverse plate (7) and the outer surface opposite to the energy absorption box (3). The plurality of vertical springs (6) are respectively sleeved on the outer surfaces of the plurality of cylinders (4) and the energy absorption cylinder (5). The energy absorption transverse plate (7) is disposed at the left and right ends of the outer surface of the energy absorption box (3). The energy absorbing box (3) is rotatably connected to a buffer rotating rod (8), and the outer surface of the buffer rotating rod (8) away from the energy absorbing horizontal plate (7) is rotatably connected to a slider (10). The left and right outer surfaces of the energy absorbing box (3) are fixedly connected to sliders (11), and the two sliders (10) are movably sleeved on the outer surfaces of the two sliders (11). The left and right outer surfaces of the energy absorbing box (3) are fixedly connected to transverse springs (9), and the other end of the transverse spring (9) is fixedly connected to the slider (10), and the transverse spring (9) is sleeved on the outer surface of the slider (11).

2. A rear end cross beam connecting plate according to claim 1, characterized in that: Two fixing feet (12) are fixedly connected to the rear outer surface of the energy absorption box (3); the two fixing feet (12) are fixedly connected to the outer surface away from the energy absorption box (3) with positioning blocks (13); positioning grooves (14) are provided at the center of the front end outer surfaces of the two longitudinal beams (1); the interior of the longitudinal beams (1) is provided with receiving grooves (15) at the left and right ends of the positioning grooves (14); the interior of the receiving grooves (15) is fixedly connected to a limiting spring (16); the other end of the limiting spring (16) is fixedly connected to a limiting block (17); and limiting holes (18) are provided on the left and right outer surfaces of the positioning block (13).

3. The rear end beam connecting plate according to claim 1, characterized in that: The front outer surface of the energy absorbing cross plate (7) is fixedly connected to two fixing seats (19), the rear outer surface of the anti-collision cross beam (2) is fixedly connected to two plug-in blocks (20), and slots are provided inside the two fixing seats (19).

4. A rear end cross beam connecting plate according to claim 2, characterized in that: The front outer surface of the fixing foot (12) and the front outer surface of the longitudinal beam (1) are both provided with two symmetrically arranged first screw holes, and the internal threads of the first screw holes are connected with first bolts (21).

5. The rear end beam connecting plate according to claim 3, characterized in that: The top outer surfaces of the fixing seat (19) and the insert block (20) are both provided with a second screw hole, and the inner thread of the second screw hole is connected with a second bolt.

6. The rear end cross beam connecting plate according to claim 1, characterized in that: A reinforcing cross beam is fixedly connected between the opposite outer surfaces of the two longitudinal beams (1).

7. The rear end cross beam connecting plate according to claim 2, characterized in that: The outer surfaces of the front and rear sides of the limit block (17) facing the center end of the longitudinal beam (1) are inclined outer surfaces.

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