Integrated buffer mechanism

Abstract

The utility model relates to an integrated buffering mechanism, which belongs to the field of automobile vibration reduction, and comprises a longitudinal beam (1) and a buffering block (2), the buffering block (2) is arranged on the longitudinal beam (1), the longitudinal beam (1) is connected with an elastic mechanism (3), the buffering block (2) comprises a bottom plate (4), a limiting support (5) and a rubber block (6), the limiting support (5) is arranged in the rubber block (6), and the bottom plate (4) is connected with the elastic mechanism (3). The elastic mechanism (3) comprises a steel plate spring (7), a pressing plate (8) and a lifting lug (9), the steel plate spring (7) is connected with the pressing plate (8), one end of the steel plate spring (7) is connected with the lifting lug (9), and the lifting lug (9) is connected with one end of the longitudinal beam (1). The longitudinal beam reinforcing plate is additionally arranged at the longitudinal beam of the vehicle body, so that the longitudinal beam is prevented from being deformed, and when the buffer block (2) is impacted and the rubber block (6) deforms to the limiting position of the limiting support (5), deformation is stopped, and the longitudinal beam (1) is prevented from being impacted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile damping, specifically, the utility model relates to an integrated buffer mechanism. BACKGROUND

[0002] Due to the total mass limitation, a load-bearing structure is usually adopted to realize the lightweight design of the whole vehicle. As a load-bearing base, the lower vehicle body longitudinal beam supports the installation of the chassis suspension components and bears the force and torque transmitted by the suspension components.

[0003] Suspension is the general term of all force transmission connecting devices between the load-bearing vehicle body and the wheels.

[0004] Due to the fact that the road surface on which the vehicle travels cannot be absolutely flat, the vertical reaction force acting on the wheels is often impact, especially when driving at high speed on bad roads, the impact force will reach a large value. When the impact force is transmitted to the vehicle body, the vehicle components will be damaged.

[0005] Chinese patent CN10592349A disclosed a kind of automobile longitudinal beam on September 7, 2016, the automobile longitudinal beam includes oppositely arranged outer plate and inner plate, the inner plate includes inner plate body, top plate connecting the top edge of the inner plate body and the top edge of the outer plate, and bottom plate connecting the bottom edge of the outer plate and the bottom edge of the inner plate body, which cannot solve the collision protection of automobile components, cannot avoid longitudinal beam deformation. UTILITY MODEL CONTENT

[0006] The utility model aims at providing an integrated buffer mechanism for collision protection of automobile components and preventing longitudinal beam deformation, to solve the problem of automobile component damage caused by impact force transmission to the vehicle body.

[0007] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0008] An integrated buffer mechanism includes a longitudinal beam and a buffer block, the buffer block is arranged on the longitudinal beam, and the longitudinal beam is connected with an elastic mechanism.

[0009] The buffer block includes a bottom plate, a limiting support and a rubber block, one end of the bottom plate is connected with the longitudinal beam, the other end of the bottom plate is connected with the rubber block, the limiting support is arranged in the rubber block, and the limiting support is connected with the bottom plate.

[0010] The bottom of the steel plate spring is connected with a pressing plate, and the two ends of the steel plate spring are respectively connected with the longitudinal beam.

[0011] The steel plate spring is provided with a first eye ring and a second eye ring at two ends respectively, the first eye ring is connected with one end of the longitudinal beam through a lifting lug, the first eye ring and the lifting lug are connected through a rotating shaft, and the second eye ring is connected with the other end of the longitudinal beam.

[0012] The lifting lug comprises a first lifting lug plate, a second lifting lug plate and a lifting lug bushing, and the first lifting lug plate and the second lifting lug plate are arranged on two sides of the lifting lug bushing respectively.

[0013] The lifting lug is connected with a first supporting plate, the first supporting plate is arranged at one end of the longitudinal beam, the second eye ring is connected with a second supporting plate, and the second supporting plate is arranged at the other end of the longitudinal beam.

[0014] The pressing plate and the axle are connected through a U-shaped bolt.

[0015] The longitudinal beam is provided with a shock absorber, one end of the shock absorber is connected with the longitudinal beam, and the other end of the shock absorber is connected with the pressing plate.

[0016] The bottom plate is a U-shaped plate, and the bottom plate and the longitudinal beam are connected through a bolt.

[0017] The first supporting plate is triangular, the second supporting plate is triangular, and the limiting support is square.

[0018] The technical effect of the utility model is: through the longitudinal beam of the body of the vehicle which is impacted by the suspension, the U-shaped bottom plate of the longitudinal beam reinforcing plate is increased, the deformation of the longitudinal beam is avoided, the buffer block is arranged on the longitudinal beam, the limiting effect can be achieved, the limiting support is arranged in the rubber block, when the buffer block is impacted and the rubber block is deformed to the limit position of the limiting support, the deformation is stopped, the elastic mechanism is protected, the impact on the longitudinal beam is prevented, the impact time is prolonged through the elastic deformation of the steel plate spring, the shock absorber plays the effect of damping vibration attenuation and high-frequency impact suppression. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present specification includes the following drawings, and the shown contents are respectively:

[0020] Figure 1 It is an integrated buffer mechanism overall assembly schematic view.

[0021] Figure 2 It is Figure 1 It is an elastic mechanism structure schematic view.

[0022] Figure 3 It is Figure 1 It is a buffer block structure schematic view.

[0023] Figure 4 It is Figure 3 Side view.

[0024] Marked in the figure: 1, longitudinal beam; 2, buffer block; 3, elastic mechanism; 4, bottom plate; 5, limiting support; 6, rubber block; 7, steel plate spring; 8, pressing plate; 9, lifting lug; 10, U-shaped bolt; 11, first eye; 12, second eye; 13, first lifting lug plate; 14, second lifting lug plate; 15, lifting lug bushing; 16, first support plate; 17, second support plate; 18, axle; 19, shock absorber. DETAILED DESCRIPTION

[0025] The specific embodiments of the present application are further described in detail below with reference to the accompanying drawings, and the purpose is to help the technical personnel in the field to have a more complete, accurate and in-depth understanding of the inventive concept and technical scheme of the present application, and to help them to implement it.

[0026] As shown in Figure 1 and Figure 2 , an integrated buffer mechanism includes a longitudinal beam 1 and a buffer block 2, the buffer block 2 is arranged on the longitudinal beam 1, and the longitudinal beam 1 is connected with an elastic mechanism 3. The buffer block 2 is fixed on the longitudinal beam 1, which can bear the impact and protect the longitudinal beam 1 of the vehicle body, avoiding the deformation of the longitudinal beam 1 of the vehicle body due to impact.

[0027] As shown in Figure 1 , Figure 3 and Figure 4 , the buffer block 2 includes a bottom plate 4, a limiting support 5 and a rubber block 6, one end of the bottom plate 4 is connected with the longitudinal beam 1, the other end of the bottom plate 4 is connected with the rubber block 6, the limiting support 5 is arranged in the rubber block 6, the rubber block 6 stops deforming when it deforms to the limit position of the limiting support 5, and the limiting support 5 is connected with the bottom plate 4. The limiting support 5 is arranged inside the rubber block, when the buffer block 2 is impacted, the rubber block 6 stops deforming when it deforms to the limit position of the limiting support 5, which fully protects the limit stress of the elastic mechanism 3 within the allowable design stress of the elastic member, meets the design requirements of the suspension fatigue strength, the rubber block 6 is made of rubber material, and the buffering effect is better; the impact load transmitted by the wheel is transmitted to the longitudinal beam 1 of the vehicle body through the buffer block 2, the bottom plate 4 is a metal product made by stamping process, which is used as a reinforcing plate of the longitudinal beam 1, and is bonded with rubber by vulcanization process to make the integrated buffer block 2.

[0028] The elastic mechanism 3 includes a steel plate spring 7 and a pressing plate 8, the steel plate spring 7 and the pressing plate 8 are connected, and the two ends of the steel plate spring 7 are respectively connected with the longitudinal beam 1. The main body of the elastic mechanism 3 is the steel plate spring 7, the steel plate spring 7 is composed of multiple pieces of alloy spring steel with different lengths and curvatures, the two ends of the steel plate spring 7 are bent into eyes, the spring sheet deforms to absorb the road impact energy, reduce the vibration amplitude transmitted to the vehicle body, and has the effect of buffering and damping.

[0029] The first eyelet 11 and the second eyelet 12 are respectively arranged at two ends of the leaf spring 7, the first eyelet 11 is connected with the hanger 9 and one end of the longitudinal beam 1, the first eyelet 11 and the hanger 9 are connected through a rotating shaft, and the second eyelet 12 is connected with the other end of the longitudinal beam 1.

[0030] The hanger 9 comprises a first hanger plate 13, a second hanger plate 14 and a hanger bushing 15, the first hanger plate 13 and the second hanger plate 14 are respectively arranged at two sides of the hanger bushing 15.

[0031] The first support plate 16 is arranged at one end of the longitudinal beam 1, the second support plate 17 is arranged at the other end of the longitudinal beam 1, the first support plate 16 is fixedly connected with the first eyelet 11 through bolts, and the second support plate 17 is fixedly connected with the second eyelet 12 through bolts.

[0032] The pressing plate 8 and the axle 18 are connected through the U-shaped bolt 10.

[0033] The longitudinal beam 1 is provided with the shock absorber 19, one end of the shock absorber 19 is connected with the longitudinal beam 1, and the other end of the shock absorber 19 is connected with the pressing plate 8.

[0034] The bottom plate 4 is a U-shaped plate, and the bottom plate 4 is connected with the longitudinal beam 1 through bolts.

[0035] The first support plate 16 is triangular, the second support plate 17 is triangular, and the limiting support 5 is square.

[0036] The utility model discloses a working principle: a kind of integrated buffer mechanism, including stringer 1 and buffer block 2, buffer block 2 is equipped in stringer 1, play the effect of bearing impact protection car body stringer 1, avoid car body stringer 1 due to impact and produce deformation, stringer 1 is connected with elastic mechanism 3, buffer block 2 includes bottom plate 4, limit support 5 and rubber block 6, bottom plate 4 one end and stringer 1 are connected, and bottom plate 4 other end and rubber block 6 are connected, limit support 5 is arranged in rubber block 6, elastic mechanism 3 includes steel plate spring 7, pressing plate 8 and lug 9, steel plate spring 7 and pressing plate 8 are connected, and impact protection is carried out through elastic mechanism 3 and buffer block 2, U-type bolt 10 is equipped on pressing plate 8, steel plate spring 7 both ends are equipped with first ear 11 and second ear 12 respectively, and first ear 11 and first support plate 16 are connected by bolt, and first support plate 16 is equipped in stringer one end, and second ear 12 and lug 9 are connected through the connection of rotating shaft, and lug 9 includes first lug plate 13, second lug plate 14 and lug bushing 15, and first lug plate 13 and second lug plate 14 are equipped at lug bushing 15 two sides respectively, and lug 9 and second support plate 17 are connected by bolt, and second support plate 17 is equipped in stringer 1 other end;Pressing plate 8 and axle 18 are connected by U-type bolt 10, and stringer 1 is provided with shock absorber 19, and shock absorber 19 one end and stringer 1 are connected, and shock absorber 19 other end and pressing plate 8 are connected, and shock absorber 19 play the effect of damping vibration attenuation and high-frequency impact suppression.

[0037] The utility model has been described exemplarily above in connection with the drawings. Obviously, the utility model does not limit the above-mentioned mode in the specific implementation. As long as various non-essential improvements are carried out by using the method concept and technical scheme of the utility model, or the above-mentioned concept and technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An integrated cushioning mechanism, characterized by: The utility model provides a kind of longitudinal beam and bumper block, the bumper block (2) is equipped on longitudinal beam (1), and the longitudinal beam (1) is connected with elastic mechanism (3), and the bumper block (2) includes bottom plate (4), limiting support (5) and rubber block (6), one end of the bottom plate (4) is connected with longitudinal beam (1), the other end of the bottom plate (4) is connected with rubber block (6), the limiting support (5) is arranged in rubber block (6), the limiting support (5) is connected with bottom plate (4), and the elastic mechanism (3) includes steel plate spring (7) and pressing plate (8), the bottom of the steel plate spring (7) is connected with pressing plate (8), and the two ends of the steel plate spring (7) are respectively connected with longitudinal beam (1).

2. An integrated cushioning mechanism according to claim 1, wherein: The two ends of the steel plate spring (7) are respectively provided with first ear (11) and second ear (12), the first ear (11) is connected with one end of longitudinal beam (1) by lifting lug (9);The first ear (11) and lifting lug (9) are connected by rotating shaft, and the second ear (12) is connected with the other end of longitudinal beam (1).

3. An integrated cushioning mechanism according to claim 2, wherein: The lifting lug (9) includes first lifting lug plate (13), second lifting lug plate (14) and lifting lug bushing (15), and the first lifting lug plate (13) and the second lifting lug plate (14) are respectively arranged on both sides of the lifting lug bushing (15).

4. An integrated cushioning mechanism according to claim 3, wherein: The lifting lug (9) is connected with first support plate (16), the first support plate (16) is arranged on one end of longitudinal beam (1), and the second ear (12) is connected with second support plate (17), and the second support plate (17) is arranged on the other end of longitudinal beam (1).

5. An integrated cushioning mechanism according to any one of claims 1-4, wherein: The pressing plate (8) and axle (18) are connected by U-shaped bolt (10).

6. An integrated cushioning mechanism according to any one of claims 1-4, wherein: The longitudinal beam (1) is provided with shock absorber (19), one end of the shock absorber (19) is connected with longitudinal beam (1), and the other end of the shock absorber (19) is connected with pressing plate (8).

7. An integrated cushioning mechanism according to any one of claims 1-4, wherein: The bottom plate (4) is U-shaped plate, and the bottom plate (4) and longitudinal beam (1) are connected by bolt.

8. The integrated cushioning mechanism of claim 4, wherein: The first support plate (16) is triangular, the second support plate (17) is triangular structure, and the limiting support (5) is square.

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