CN216331882U

CN216331882U - Side direction scour protection hits protection thick stick for trailer

Info

Publication number: CN216331882U
Application number: CN202122616393.7U
Authority: CN
Inventors: 牛善平; 张红军
Original assignee: Liangshan Huasheng Transportation Equipment Manufacturing Co ltd
Current assignee: Liangshan Huasheng Transportation Equipment Manufacturing Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-19
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a lateral anti-collision protective bar for a trailer, which comprises a mounting plate, wherein the side wall of the mounting plate is fixedly connected with a sealing cylinder, the inner walls of the front side and the rear side of the sealing cylinder are fixedly connected with partition plates, the opposite outer sides of the two partition plates are respectively connected with a first piston in a sliding manner, the upper ends of the two pistons are respectively fixedly connected with a first vertical shaft, the two first vertical shafts respectively penetrate through the side wall of the upper end of the sealing cylinder, the penetrating parts of the two first vertical shafts and the side wall of the upper end of the sealing cylinder are respectively movably sealed, the ends of the two first vertical shafts, far away from the first piston, are respectively and fixedly connected with the same anti-collision bar, the opposite inner side walls of the two partition plates are respectively connected with a second piston in a sliding manner, and the upper end of the second piston is fixedly connected with a second vertical shaft. When the anti-collision bar is in side collision, the first guide wheel, the second rotating wheel and the third guide wheel rotate to remove a part of collision force, and the collision direction can be changed, so that the damage caused by collision is further reduced.

Description

Side direction scour protection hits protection thick stick for trailer

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a lateral anti-collision protective bar for a trailer.

Background

An automobile accessory is a product that constitutes each unit of an automobile as a whole and serves the automobile. The automobile parts are various in types, people consume more and more automobiles along with the improvement of living standard of people, and the market of the automobile parts is getting larger and larger. Automobile parts manufacturers have also developed rapidly in recent years.

In the prior art, once a side wall protection bar of a semitrailer collides, the side wall protection bar can only collide with a collision object in a hard collision manner, and impact force during collision cannot be effectively reduced, so that the side wall of the semitrailer is easily damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that once a side wall protection bar of a semitrailer collides, the side wall protection bar can only collide with a collision object in a hard collision manner and cannot effectively slow down or reduce the impact force during collision, so that the side wall of the semitrailer is easily damaged.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a side collision-proof protective bar for a trailer comprises a mounting plate, wherein the side wall of the mounting plate is fixedly connected with a sealing cylinder, the inner walls of the front side and the rear side of the sealed cylinder are fixedly connected with clapboards, the opposite outer sides of the two clapboards are respectively connected with a first piston in a sliding way, the upper ends of the two pistons are respectively fixedly connected with a first vertical shaft, the two first vertical shafts respectively penetrate through the side wall of the upper end of the sealed cylinder, the penetrating parts of the two first vertical shafts and the side wall of the upper end of the sealed cylinder are respectively movably sealed, the ends of the two first vertical shafts, far away from the first piston, are respectively fixedly connected with a same anti-collision bar, and the opposite inner side walls of the two clapboards are respectively connected with a second piston in a sliding way, the upper end of the second piston is fixedly connected with a second vertical shaft which penetrates through the side wall of the upper end of the sealing cylinder, the second vertical shaft is movably sealed with the penetrating position of the side wall of the upper end of the sealing cylinder, and the transverse plate is fixedly connected with the second vertical shaft far away from the second vertical shaft end.

Preferably, through holes are formed in the two partition plates close to the mounting plate, and the diameters of the two through holes are smaller than the thickness of the first piston.

Preferably, the side wall of the side, close to the first piston, of the anti-collision bar is fixedly connected with two spiral springs, the two spiral springs are sleeved on the first vertical shaft, and the lower ends of the two spiral springs are fixedly connected with the outer wall of the upper end of the sealing cylinder.

Preferably, the equal fixed connection spout of sealed cylinder left and right sides outer wall, two equal sliding connection slider in the spout, two the slider lateral wall all rotates and connects the down tube, two the down tube all rotates with the crashproof thick stick lateral wall and is connected.

Preferably, the both ends of the anti-collision bar are respectively rotatably connected with the first guide wheel, the side wall of the anti-collision bar close to the side of the inclined rod is respectively rotatably connected with the second rotary wheel, and the middle part of the anti-collision bar is rotatably connected with the third guide wheel.

Preferably, the first guide wheel is made of rubber, and the side wall of the first guide wheel is provided with a wear-resistant layer.

Preferably, the two inclined rods are made of alloy, and the side walls of the two inclined rods are coated with an anticorrosive material.

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

1. when the front side of the anti-collision bar is collided, the anti-collision bar firstly pushes against the two first vertical shafts, the two first vertical shafts push the two first pistons, the two first pistons extrude the space in the sealed air cylinder, the air pressure in the sealed air cylinder is increased, the increased air pressure can push the second piston to move towards the anti-collision bar, the second piston pushes the second vertical shaft to move towards the anti-collision bar, the transverse plate at the upper end of the second vertical shaft can be contacted with the inner wall of the anti-collision bar, the overall strength of the anti-collision bar can be increased, and the damage to the side wall of a semitrailer can be reduced;

2. when the anti-collision bar is in side collision, the first guide wheel, the second rotating wheel and the third guide wheel rotate to remove a part of collision force, and the collision direction can be changed, so that the damage caused by collision is further reduced.

Drawings

Fig. 1 is a schematic structural view of a side impact protection bar for a trailer according to the present invention;

fig. 2 is a schematic structural diagram at a in fig. 1.

In the figure: the device comprises a mounting plate 1, a sealing cylinder 2, a partition plate 3, a first piston 4, a first vertical shaft 5, a bumper 6, a second piston 7, a second vertical shaft 8, a transverse plate 9, a through hole 10, a spiral spring 11, a sliding chute 12, a sliding block 13, an inclined rod 14, a first guide wheel 15, a second rotating wheel 16 and a third guide wheel 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-2, a side direction scour protection hits protection thick stick for trailer, including mounting panel 1, mounting panel 1 lateral wall fixed connection sealed cylinder 2, the equal fixed connection baffle 3 of the side inner wall of sealed cylinder 2 front and back side, the equal sliding connection first piston 4 in the relative outside of two baffles 3, the equal fixed connection first vertical axis 5 in two piston upper ends, two first vertical axes 5 all run through sealed cylinder 2 upper end lateral wall, two first vertical axes 5 and sealed cylinder 2 upper end lateral wall run through the equal swing joint in department, two first vertical axes 5 keep away from the equal fixed connection same anticollision thick stick 6 in first piston 4 end, the equal sliding connection second piston 7 in the relative inboard lateral wall of two baffles 3, second piston 7 upper end fixed connection second vertical axis 8, second vertical axis 8 runs through sealed cylinder 2 upper end lateral wall, second vertical axis 8 and sealed cylinder 2 upper end lateral wall run through the swing joint in department, second vertical axis 8 keeps away from second vertical axis 8 and connects diaphragm 9. When the crashproof thick stick 6 openly collides, crashproof thick stick 6 can at first support two first vertical axes 5, two first vertical axes 5 support two

first pistons

4, 2 inner spaces of two first pistons 4 extrusion seal cylinder, 2 internal gas pressure increases at this moment in the seal cylinder, the atmospheric pressure of increase will promote the motion of second piston 7 toward crashproof thick stick 6 direction, second piston 7 promotes the motion of second vertical axis 8 toward crashproof thick stick 6 direction, diaphragm 9 of 8 upper ends of second vertical axis will contact with 6 inner walls of crashproof thick stick, 6 bulk strength of crashproof thick stick will be increased like this, will reduce the semitrailer lateral wall and cause the damage.

Through holes 10 are formed in the two partition plates 3 close to the mounting plate 1, and the diameters of the two through holes 10 are smaller than the thickness of the first piston 4. Thus facilitating the communication of the gas in the sealed cylinder 2.

The bumper 6 is close to the equal fixed connection coil spring 11 of 4 side lateral walls of first piston, and two coil spring 11 all overlap on first vertical axis 5, and the equal fixed connection of two 11 lower extremes of coil spring and 2 upper end outer walls of sealed cylinder. When a frontal collision occurs, the two coil springs 11 are compressed to resist the collision force, and the two compressed coil springs 11 or the original position driving the first cross rod to recover after the collision.

Equal fixed connection spout 12 of both sides outer wall about sealed cylinder 2, equal sliding connection slider 13 in two spouts 12, two slider 13 lateral walls all rotate and connect down tube 14, and two down tube 14 all rotate with the 6 lateral walls of anticollision thick stick and are connected. In a collision, the two diagonal rods 14 serve to support the bumper beam 6, while the two first vertical shafts 5 are bent in a diagonal collision.

The two ends of the bumper 6 are rotatably connected with the first guide wheels 15, the side wall of the bumper 6, close to the inclined rod 14, is rotatably connected with the second rotating wheels 16, and the middle of the bumper 6 is rotatably connected with the third guide wheels 17. When the crash bar 6 is in a side impact, the first guide wheel 15, the second rotating wheel 16 and the third guide wheel 17 are rotated to remove a part of the impact force, and the direction of the impact can be changed, thereby further reducing the damage caused by the impact.

Two first leading wheel 15 materials are rubber, and two 15 lateral walls of first leading wheel all set up the wearing layer. The rubber has elasticity as a whole, and when a collision occurs, the impact force of the collision is reduced.

The two inclined rods 14 are made of alloy, and the side walls of the two inclined rods 14 are coated with an anticorrosive material. The overall strength of the two diagonals 14 is increased.

When the front of the bumper 6 is collided, the bumper 6 firstly pushes the two first vertical shafts 5, the two first vertical shafts 5 push the two first pistons 4, the two first pistons 4 extrude the space in the sealed cylinder 2, at the moment, the air pressure in the sealing cylinder 2 is increased, the increased air pressure can push the second piston 7 to move towards the bumper 6, the second piston 7 pushes the second vertical shaft 8 to move towards the bumper 6, the transverse plate 9 at the upper end of the second vertical shaft 8 can be contacted with the inner wall of the bumper 6, the overall strength of the bumper 6 can be increased, the damage to the side wall of the semitrailer can be reduced, when the crash bar 6 is in a side impact, the first guide wheel 15, the second rotating wheel 16 and the third guide wheel 17 are rotated to remove a part of the impact force, and the direction of the impact can be changed, thereby further reducing the damage caused by the impact.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The side anti-collision protective bar for the trailer comprises a mounting plate (1) and is characterized in that the side wall of the mounting plate (1) is fixedly connected with a sealing cylinder (2), the inner walls of the front side and the rear side of the sealing cylinder (2) are fixedly connected with partition plates (3), the two partition plates (3) are in sliding connection with first pistons (4) relatively to the outer side, the upper ends of the two pistons are fixedly connected with first vertical shafts (5), the two first vertical shafts (5) penetrate through the side wall of the upper end of the sealing cylinder (2), the penetrating positions of the two first vertical shafts (5) and the side wall of the upper end of the sealing cylinder (2) are movably sealed, the ends, far away from the first piston (4), of the two first vertical shafts (5) are fixedly connected with the same anti-collision bar (6), the inner side walls of the two partition plates (3) are in sliding connection with a second piston (7), the upper end of the second piston (7) is fixedly connected with a second vertical shaft (8), the second vertical shaft (8) penetrates through the side wall of the upper end of the sealing cylinder (2), the penetrating position of the second vertical shaft (8) and the side wall of the upper end of the sealing cylinder (2) is movably sealed, and the second vertical shaft (8) is far away from a transverse plate (9) fixedly connected with the second vertical shaft (8).

2. A side impact protection bar for a trailer according to claim 1, wherein two of said partition plates (3) are provided with through holes (10) on the side close to the mounting plate (1), and the diameter of two of said through holes (10) is smaller than the thickness of the first piston (4).

3. A lateral anti-collision protection bar for a trailer according to claim 1, wherein the side wall of the anti-collision bar (6) close to the first piston (4) is fixedly connected with a coil spring (11), two coil springs (11) are sleeved on the first vertical shaft (5), and the lower ends of the two coil springs (11) are fixedly connected with the outer wall of the upper end of the sealing cylinder (2).

4. The lateral anti-collision protection bar for the trailer according to claim 1, wherein the outer walls of the left side and the right side of the sealing cylinder (2) are fixedly connected with sliding grooves (12), sliding blocks (13) are slidably connected in the two sliding grooves (12), the side walls of the two sliding blocks (13) are rotatably connected with inclined rods (14), and the two inclined rods (14) are rotatably connected with the side walls of the anti-collision bar (6).

5. A lateral anti-collision protection bar for a trailer according to claim 1, wherein both ends of the anti-collision bar (6) are rotatably connected with a first guide wheel (15), the side wall of the anti-collision bar (6) close to the diagonal rod (14) is rotatably connected with a second rotating wheel (16), and the middle part of the anti-collision bar (6) is rotatably connected with a third guide wheel (17).

6. A side impact protection bar for a trailer according to claim 5, wherein the two first guide wheels (15) are made of rubber, and the side walls of the two first guide wheels (15) are provided with wear-resistant layers.

7. A side impact protection bar for trailer according to claim 4, wherein the two diagonal rods (14) are made of alloy, and the side walls of the two diagonal rods (14) are coated with anticorrosive material.