Vehicle buffering device

Abstract

The utility model relates to the technical field of vehicle protection, and discloses a vehicle buffering device which comprises an anti-collision main beam, a positioning groove is formed in the inner wall of the anti-collision main beam, sliding blocks are fixedly connected to the two sides of the anti-collision main beam, a rubber block is detachably connected to the inner wall of the anti-collision main beam, a positioning block is fixedly connected to the outer wall of the rubber block, and the positioning block is fixedly connected to the outer wall of the rubber block. And a mounting assembly is arranged on the inner wall of the rubber block. The vehicle buffering device is provided with a fixing rod, a piston, a first sealing ring, a mounting shell, a shell cover, a sealing groove, a second sealing ring, a cover plate, hydraulic oil and a pressure valve, the piston and the mounting shell are sealed through the first sealing ring, and the fixing rod and the shell cover are sealed through the second sealing ring; the sealing performance of the oil cavity in the mounting shell is enhanced through a double-sealing structure, the problem that hydraulic oil is prone to leakage in the prior art is effectively solved, leakage of the hydraulic oil in the mounting shell in the long-term running process of a vehicle is prevented, and the stability of the buffering device is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle protection technical field, concretely is a kind of vehicle buffer device. BACKGROUND

[0002] Vehicle anti-collision buffer device is a device designed to reduce the impact force when vehicle collision, protect vehicle and passenger safety, it is usually installed in the front, rear or side of vehicle, to absorb impact energy, reduce collision impact, and reduce the damage suffered by vehicle and passenger.

[0003] Prior art publication No.CN220742958U patent literature provides a kind of vehicle anti-collision buffer device, the energy-absorbing box of the device is provided with the straight sleeve that can be deformed and absorb energy, and in the straight sleeve, the bumper that can absorb energy and buffer is arranged, and in front of the anti-collision main beam, the anti-collision auxiliary beam is arranged, a large number of damping plates on the rear side of anti-collision auxiliary beam can absorb a large amount of impact energy, when inner rod gradually inserts into the slot, due to the existence of hydraulic oil, hydraulic oil will rush open pressure valve when receiving greater pressure, overflow outward, so that the speed of inner rod insertion into the slot will slow down, so the force acting on the vehicle body longitudinal beam will be greatly reduced, the injury of the person in the vehicle can be reduced.

[0004] The prior art described above, although by being provided with hydraulic oil buffer mechanism, but in actual use, inner rod is inserted into the sleeve for installation, without sealing structure, in the process of long-time driving of vehicle, hydraulic oil is prone to leakage, secondly, the parts such as covering piece, anti-collision auxiliary beam and damping plate are generally fixed by adhesive bonding, in long-time use, covering piece is prone to fall off, and it is also relatively inconvenient to maintain and replace after use, cannot be well disassembled, therefore, we need a kind of vehicle buffer device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of vehicle buffer device to solve the problems raised in the above background.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of vehicle buffer device, including anti-collision main beam, the inner wall of the anti-collision main beam is provided with positioning slot, and the both sides of anti-collision main beam are fixedly connected with sliding block, the inner wall of the anti-collision main beam is detachably connected with rubber block, and the outer wall of rubber block is fixedly connected with positioning block, the inner wall of the rubber block is provided with installation assembly, the outer wall of the anti-collision main beam is provided with buffer assembly;

[0007] The mounting assembly comprises a fixing groove, an inner wall of the fixing groove is slidably connected with a backing plate, an outer wall of the backing plate is provided with a fixing bolt, an outer wall of the anti-collision main beam is fixedly connected with a mounting cylinder, an inner wall of the mounting cylinder is provided with a buffer damper, an inner wall of the mounting cylinder is slidably connected with a sliding frame, an outer wall of the anti-collision main beam is slidably connected with a covering piece, an inner wall of the covering piece is provided with a mounting hole, an inner wall of the mounting hole is provided with a fastening bolt, and a sliding groove is formed in the inner wall of the covering piece.

[0008] An outer wall of the anti-collision main beam is detachably connected with a fixing rod, one end of the fixing rod is fixedly connected with a piston, an inner wall of the piston is provided with a first sealing ring, an outer wall of the piston is slidably connected with a mounting shell, an outer wall of the mounting shell is detachably connected with a shell cover, an inner wall of the shell cover is provided with a sealing groove, an inner wall of the sealing groove is provided with a second sealing ring, and the inner wall of the shell cover is detachably connected with a cover plate, the inside of the mounting shell is filled with hydraulic oil, an outer wall of the mounting shell is provided with a pressure valve, and one end of the mounting shell is detachably connected with a vehicle body longitudinal beam.

[0009] Preferably, the anti-collision main beam and the rubber block form a fixed structure through the fixing bolt, and one end of the fixing bolt penetrates through the backing plate and the rubber block and extends into the anti-collision main beam for connection.

[0010] Preferably, the covering piece and the sliding frame form a fixed structure through the fastening bolt, and one end of the fastening bolt is screwed through the covering piece and extends into the sliding frame for connection.

[0011] Preferably, one end of the sliding block extends into the sliding groove, and an outer wall of the sliding block is attached to an inner wall of the sliding groove.

[0012] Preferably, the number of the fixing rods is two, and the two fixing rods are symmetrically arranged on the anti-collision main beam.

[0013] Preferably, one end of the fixing rod extends into the mounting shell and is connected with the piston, and an outer wall of the piston is attached to an inner wall of the mounting shell.

[0014] Preferably, the inner wall of the sealing groove and the outer wall of the second sealing ring are attached to each other, and the shape and size of the inner wall of the sealing groove and the outer wall of the second sealing ring are matched with each other.

[0015] Compared with the prior art, the anti-collision main beam of the utility model has the advantages that:

[0016] First, the utility model discloses a fixed rod, piston, first sealing ring, installation shell, shell cover, sealing groove, second sealing ring, apron, hydraulic oil and pressure valve are provided, and the first sealing ring is sealed between the piston and the installation shell, and the second sealing ring is sealed between the fixed rod and the shell cover, and the sealing performance of the oil cavity in the installation shell is strengthened through the double sealing structure, effectively solve the problem that the hydraulic oil is easy to leak in the prior art, prevent the hydraulic oil in the installation shell from leaking during the long-term driving of the vehicle, and ensure the stability of the buffer device.

[0017] Second, the utility model discloses a positioning groove, sliding block, rubber block, positioning block, fixed groove, backing plate, fixed bolt, installation cylinder, buffer damper, sliding frame, cover, mounting hole, fastening bolt and sliding groove are provided, and the rubber block is installed through the cooperation of the positioning block and the positioning groove of the anti-collision main beam, is fixed through the fixed bolt, and the cover is fixed with the sliding frame through the fastening bolt, so that the disassembly of each part is more convenient, the problem that the traditional adhesive fixing mode is easy to fall off is avoided, and the parts are convenient for post-maintenance or replacement, when buffering, the rubber block and the buffer damper cooperate, a part of impact energy is absorbed through the deformation of the rubber block in the early stage of collision, and then the buffer damper further slows down the impact force, in combination with the damping effect of the hydraulic oil buffer mechanism, more gentle force transmission is realized, the impact of the collision on the vehicle body longitudinal beam and the occupant is reduced, and the vehicle safety performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structure schematic diagram of the utility model;

[0019] Figure 2 It is the anti-collision main beam and rubber block structure schematic diagram of the utility model;

[0020] Figure 3 It is the utility model Figure 2 It is the enlarged structure schematic diagram of A place in the utility model;

[0021] Figure 4 It is the utility model Figure 2 It is the enlarged structure schematic diagram of B place in the utility model.

[0022] Wherein: 1, the anti-collision main beam;2, the positioning groove;3, the sliding block;4, the rubber block;5, the positioning block;6, the installation assembly;601, the fixed groove;602, the backing plate;603, the fixed bolt;604, the installation cylinder;605, the buffer damper;606, the sliding frame;607, the cover;608, the mounting hole;609, the fastening bolt;610, the sliding groove;7, the buffer assembly;701, the fixed rod;702, the piston;703, the first sealing ring;704, the installation shell;705, the shell cover;706, the sealing groove;707, the second sealing ring;708, the apron;709, the hydraulic oil;710, the pressure valve;8, the vehicle body longitudinal beam. DETAILED DESCRIPTION

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1-4 As shown, a vehicle buffer device includes a main anti-collision beam 1. A positioning groove 2 is formed on the inner wall of the main anti-collision beam 1, and sliders 3 are fixedly connected to both sides of the main anti-collision beam 1. A rubber block 4 is detachably connected to the inner wall of the main anti-collision beam 1, and a positioning block 5 is fixedly connected to the outer wall of the rubber block 4. An installation assembly 6 is provided on the inner wall of the rubber block 4, and a buffer assembly 7 is provided on the outer wall of the main anti-collision beam 1. The installation assembly 6 includes a fixing groove 601, and a pad 602 is slidably connected to the inner wall of the fixing groove 601. A fixing bolt 603 is provided on the outer wall of the pad 602. An installation cylinder 604 is fixedly connected to the outer wall of the main anti-collision beam 1, and a buffer damper 605 is provided on the inner wall of the installation cylinder 604. A sliding frame 606 is slidably connected to the inner wall of the installation cylinder 604. A cover 607 is slidably connected to the outer wall of the main anti-collision beam 1, and the inner wall of the cover 607... The system includes a mounting hole 608, with a fastening bolt 609 on the inner wall of the mounting hole 608. A groove 610 is provided on the inner wall of the cover 607. A fixing rod 701 is detachably connected to the outer wall of the anti-collision main beam 1, and a piston 702 is fixedly connected to one end of the fixing rod 701. A first sealing ring 703 is provided on the inner wall of the piston 702, and a mounting shell 704 is slidably connected to the outer wall of the piston 702. A shell cover 705 is detachably connected to the outer wall of the mounting shell 704, and a sealing groove 706 is provided on the inner wall of the shell cover 705. A second sealing ring 707 is provided on the inner wall of the sealing groove 706. A cover plate 708 is detachably connected to the inner wall of the shell cover 705. The mounting shell 704 is filled with hydraulic oil 709, and a pressure valve 710 is provided on the outer wall of the mounting shell 704. A vehicle longitudinal beam 8 is detachably connected to one end of the mounting shell 704.

[0025] By the technical scheme, the first sealing ring 703 is arranged between the piston 702 and the mounting shell 704 for sealing, and the second sealing ring 707 is arranged between the fixed rod 701 and the shell cover 705 for sealing, so that the sealing performance of the oil cavity in the mounting shell 704 is improved by the double sealing structure, the problem of leakage of the hydraulic oil 709 in the prior art is solved, the leakage of the hydraulic oil 709 in the mounting shell 704 during long-term driving of the vehicle is prevented, and the stability of the buffer device is ensured; the rubber block 4 is installed in cooperation with the positioning groove 2 of the anti-collision main beam 1 through the positioning block 5 and is fixed through the fixing bolt 603, the covering piece 607 is fixed with the sliding frame 606 through the fastening bolt 609, the disassembly and assembly of the components are more convenient, the problem that the traditional adhesive fixing mode is easy to fall off is avoided, and the components are convenient for later maintenance or replacement; during the buffering, the rubber block 4 and the buffer damper 605 cooperate to absorb part of the impact energy in the early stage of the collision through the deformation of the rubber block 4, and then the buffer damper 605 further slows down the impact force, in combination with the damping effect of the hydraulic oil 709 buffer mechanism, more gentle force transmission is realized, the impact of the collision on the vehicle body longitudinal beam 8 and the occupant is reduced, and the safety performance of the vehicle is improved.

[0026] Specifically, the anti-collision main beam 1 and the rubber block 4 form a fixed structure through the fixing bolt 603, and one end of the fixing bolt 603 penetrates the rubber block 4 and the spacer plate 602 and extends into the anti-collision main beam 1 to be connected.

[0027] By the technical scheme, the rubber block 4 is provided with a plurality of fixing grooves 601, the spacer plate 602 is arranged in the fixing groove 601, and the rubber block 4 can be fixed on the anti-collision main beam 1 through the fixing bolt 603, so that the installation and disassembly are facilitated.

[0028] Specifically, the covering piece 607 and the sliding frame 606 form a fixed structure through the fastening bolt 609, and one end of the fastening bolt 609 is screwed through the covering piece 607 and extends into the sliding frame 606 to be connected.

[0029] By the technical scheme, the covering piece 607 is fixed on the sliding frame 606 through the fastening bolt 609, so that the installation and disassembly of the covering piece 607 are facilitated.

[0030] Specifically, one end of the sliding block 3 extends into the sliding groove 610, and the outer wall of the sliding block 3 is attached to the inner wall of the sliding groove 610.

[0031] By the technical scheme, when the covering piece 607 is installed, the covering piece 607 is slidably installed on the anti-collision main beam 1 through the sliding groove 610.

[0032] Specifically, the number of the fixed rods 701 is two, and the two fixed rods 701 are symmetrically arranged on the anti-collision main beam 1.

[0033] Through the technical scheme, one end of the fixed rod 701 is provided with a plate body, the plate body is fixed on the anti-collision main beam 1 through bolts, and installation and disassembly are facilitated.

[0034] Specifically, one end of the fixed rod 701 extends into the mounting shell 704 and is connected with the piston 702, and the outer wall of the piston 702 is attached to the inner wall of the mounting shell 704.

[0035] Through the technical scheme, the connection effect between the piston 702 and the mounting shell 704 is improved, and when the piston 702 moves, the piston 702 can move in the mounting shell 704.

[0036] Specifically, the inner wall shape and size of the sealing groove 706 and the outer wall shape and size of the second sealing ring 707 are matched with each other, and the inner wall of the sealing groove 706 is attached to the outer wall of the second sealing ring 707.

[0037] Through the technical scheme, the connection effect between the sealing groove 706 and the second sealing ring 707 is improved, the second sealing ring 707 is installed in the sealing groove 706, the second sealing ring 707 is fixed by the cover plate 708, the cover plate 708 is fixed on the shell cover 705 through bolts, and installation and disassembly are facilitated.

[0038] In use, first installation, the operator fixes the fixed rod 701 on the anti-collision main beam 1 through bolt, fixes the installation shell 704 on the vehicle body longitudinal beam 8 through bolt, the operator assembles the positioning block 5 on the rubber block 4 is aimed at the positioning slot 2 on the anti-collision main beam 1, the slot in the rubber block 4 is fitted on the installation cylinder 604, the operator puts the gasket 602 into the fixed slot 601 of the rubber block 4, the rubber block 4 is fixed on the anti-collision main beam 1 through the fixed bolt 603, after fixing the rubber block 4, the operator covers the cover 607 on the rubber block 4, the sliding block 3 on the anti-collision main beam 1 is clamped into the sliding slot 610 of the cover 607, the fastening bolt 609 is placed into the installation hole 608, and the fastening bolt 609 is rotated into the sliding frame 606 through the tool and is fixed, so that the cover 607 is installed, and the disassembly and assembly between the parts are convenient, and the parts are convenient for later maintenance or replacement;When impacted, the cover 607 is impacted first, the impact force of collision is buffered through the rubber block 4, when the impact force is large and the rubber block 4 is deformed, the sliding frame 606 slides in the installation cylinder 604, so that the buffer damper 605 works, the impact force is buffered, if the impact force is very large, the cover 607 and the rubber block 4 and other parts are damaged, the impact force impacts the anti-collision main beam 1, the rigidity of the anti-collision main beam 1 can play a good anti-collision role, and other parts of the automobile behind the anti-collision main beam 1 are protected, the impact force makes the anti-collision main beam 1 move, the anti-collision main beam 1 drives the fixed rod 701 to move, the fixed rod 701 drives the piston 702 to move in the installation shell 704, the piston 702 moves to compress the hydraulic oil 709, the hydraulic oil 709 is opened under a large pressure and is overflowed outward, so that the speed of the piston 702 is slowed down, so that the force acting on the vehicle body longitudinal beam 8 is greatly reduced, the injury of the person in the vehicle can be reduced, and the whole work is completed, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vehicle buffer device, comprising a main anti-collision beam (1), characterized in that: The inner wall of the anti-collision main beam (1) is provided with a positioning groove (2), and the two sides of the anti-collision main beam (1) are fixedly connected with sliders (3). The inner wall of the anti-collision main beam (1) is detachably connected with a rubber block (4), and the outer wall of the rubber block (4) is fixedly connected with a positioning block (5). The inner wall of the rubber block (4) is provided with an installation component (6), and the outer wall of the anti-collision main beam (1) is provided with a buffer component (7). The mounting assembly (6) includes a fixing groove (601), and a pad (602) is slidably connected to the inner wall of the fixing groove (601). A fixing bolt (603) is provided on the outer wall of the pad (602). An mounting cylinder (604) is fixedly connected to the outer wall of the anti-collision main beam (1), and a buffer damper (605) is provided on the inner wall of the mounting cylinder (604). A sliding frame (606) is slidably connected to the inner wall of the mounting cylinder (604). A cover (607) is slidably connected to the outer wall of the anti-collision main beam (1), and an mounting hole (608) is opened on the inner wall of the cover (607). A fastening bolt (609) is provided on the inner wall of the mounting hole (608). A sliding groove (610) is opened on the inner wall of the cover (607). The outer wall of the anti-collision main beam (1) is detachably connected to a fixing rod (701), and one end of the fixing rod (701) is fixedly connected to a piston (702). The inner wall of the piston (702) is provided with a first sealing ring (703), and the outer wall of the piston (702) is slidably connected to a mounting shell (704). The outer wall of the mounting shell (704) is detachably connected to a shell cover (705), and the inner wall of the shell cover (705) is provided with a sealing groove (706). The inner wall of the sealing groove (706) is provided with a second sealing ring (707). The inner wall of the shell cover (705) is detachably connected to a cover plate (708). The interior of the mounting shell (704) is filled with hydraulic oil (709), and the outer wall of the mounting shell (704) is provided with a pressure valve (710). One end of the mounting shell (704) is detachably connected to a vehicle body longitudinal beam (8).

2. A vehicle buffer device according to claim 1, characterized in that: The anti-collision main beam (1) is fixed by fixing bolts (603) and rubber blocks (4), and one end of the fixing bolts (603) passes through the pad (602) and the rubber blocks (4) and extends into the anti-collision main beam (1) for connection.

3. A vehicle buffer device according to claim 1, characterized in that: The cover (607) is fixed to the sliding frame (606) by fastening bolts (609), and one end of the fastening bolt (609) is threaded through the cover (607) and extends into the sliding frame (606) for connection.

4. A vehicle buffer device according to claim 1, characterized in that: One end of the slider (3) extends into the groove (610), and the outer wall of the slider (3) is in contact with the inner wall of the groove (610).

5. A vehicle buffer device according to claim 1, characterized in that: The number of fixed rods (701) is two, and the two fixed rods (701) are symmetrically arranged on the anti-collision main beam (1).

6. A vehicle buffer device according to claim 1, characterized in that: One end of the fixing rod (701) extends into the mounting shell (704) and connects with the piston (702), and the outer wall of the piston (702) fits against the inner wall of the mounting shell (704).

7. A vehicle buffer device according to claim 1, characterized in that: The inner wall shape and size of the sealing groove (706) match the outer wall shape and size of the second sealing ring (707), and the inner wall of the sealing groove (706) fits against the outer wall of the second sealing ring (707).

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