CN2447232Y

CN2447232Y - Vehicle collision flexible safety means

Info

Publication number: CN2447232Y
Application number: CN 00215665
Authority: CN
Inventors: 于民
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-01
Filing date: 2000-08-01
Publication date: 2001-09-12
Anticipated expiration: 2010-08-01

Abstract

The utility model relates to a vehicle collision flexible safety device, which is finished according to the resistance-displacement characteristic and the resistance-speed characteristics in the fluid mechanics and the gas compression theory. A columniform device with a unidirectional barrel type gas and hydraulic structure is mainly composed of the orderly installation of a barrel type cylinder body, a unidirectional push rod piston, a hydraulic chamber spring, a gas-oil separating piston, an air chamber spring, a sealing element and a dirt-proof sleeve. In the process of a vehicle generating a collision, large parts of impact energy generated by a colliding object and a collided object is absorbed and digested by middle flexible safety device; thus, the loss after the vehicle collides is furthest reduced; the safety of drivers is ensured.

Description

A kind of auto against Flexible Safety device

The utility model relates to auto against Flexible Safety device.

Along with communication and developing of automobile industry, the traffic accident incidence improves fast.To the traffic accident investigation and analysis; When automobile in the front or polarization face when bumping, its external force and automobile are exercised inertia and body structure are held can't stand the impact energy that two relative power produce and be distorted, and cause vehicle frame, vehicle body, travel, power system destruction in various degree, serious harm the personal safety of chaufeur.Reason is: collided between the rigid construction and collision thing of thing automobile, in the moment that bumps, lack assimilating of impact energy that two relative power are produced.The utility model purpose is to overcome above-mentioned reason, between automobile and collision thing, set up a contact system in advance, promptly one group or several groups of devices respectively are installed in the main longitudinal grider front and back end of automobile chassis frame, between external force and two relative power of running car inertia, to the absorption of putting up a resistance of the impact energy that produced of collision, make its momentum balance, reduce to lose purpose to alleviate the impact of collision, to reach to automobile and chaufeur.

The utility model is realized by following technical proposal.

It is according to the resistance-placement property in the mechanics of liquids, and the Flexible Safety device of the unidirectional cartridge type gas fluid power structure that resistance-speed characteristic, gas compression theory are finished is installed in when bumping the front and back end of at first stressed automobile main longitudinal grider.The moment of auto against, at the collision thing and between by the collision thing, can touch earlier in the Flexible Safety device that is full of hydraulic oil and unreactable gas, be exposed to the push rod of the outer push-rod piston of cartridge type cylinder body, the promotion push-rod piston fast speed compression hydraulic oil and the pressure chamber spring of interlock, its application force promotes the Oil-gas Separation piston again, second-compressed unreactable gas and energy chamber spring, under compression, the recoil damping hole of push-rod piston of hydraulic oil in the pressure chamber, spray into multistage oil pocket and enter another grease chamber, three application forces absorb and digest the impact energy that external force and inertia produce, to have alleviated collision damage.

The utility model is mainly by the cartridge type cylinder body, unidirectional push-rod piston, pressure chamber spring, and the Oil-gas Separation piston, energy chamber spring, sealing member, dust protecting cap are formed, and it is characterized in that:

1 unidirectional push-rod piston is unit of the hollow class cylinder of metallic material or non-metallic material manufacturing, and piston end has the hydraulic damping hole, seal groove, and multistage oil pocket, the push rod end has pouring orifice;

2 Oil-gas Separation pistons, the first cylinder for metallic material or non-metallic material manufacturing has seal groove and spring positioning groove;

3 cartridge type cylinder bodies are metallic material or non-metallic material manufacturing, and front end is equipped with the front end cover that has seal ring of the unidirectional push-rod piston of sealing, and there is air inflation sealing device the rear end;

4 unidirectional push-rod pistons, pressure chamber spring, Oil-gas Separation piston, energy chamber spring with placing in the cartridge type cylinder body, are formed pressure chamber and energy chamber in order; Oil revolute chamber is between the front end cover inner end surface and push-rod piston front end face of cartridge type cylinder body, when impacting generation, external force promotes just to form when unidirectional push-rod piston compresses pressure chamber: unidirectional push-rod piston push rod is under the air-proof condition of cartridge type cylinder body front end cover, can axially move, part is exposed to outside the cartridge type cylinder body; Dispensing hydraulic oil and unreactable gas are finished product behind the inspection no leak; The simple type structure does not have the Oil-gas Separation piston, the energy chamber spring, and the cartridge type cylinder body does not have gas injection sealing arrangement, not inert gas injecting; This device is installed between the main longitudinal grider front and back end and bumper/spoiler of all kinds of automobiles, also can be installed in the front of bumper/spoiler, this device can with the Vehicle Frame Design one, the outward appearance external form can be made of solid and pack processing.

Auto against Flexible Safety device by the technical solution of the utility model manufacturing has following advantage:

1 is safe and reliable.Adopt hydraulic damping, air compression, the Flexible Safety device that the compression spring technology is made, three application force interlock effects, moment finishes synchronously, and to the impact energy that produces between external force and two relative power of automobile inertial, it is big to assimilate effect, mitigation.

2 convenience, comformability is strong.Can be installed on any automobile as required.

With embodiment the utility model is further described in conjunction with the accompanying drawings:

Figure one, is the structural representation of the utility model example 1.

Figure two, are the structural representations of the utility model example 2.

Among the figure, (1) bumper holder; (2) dust protecting cap; (3) cartridge type cylinder body front end cover; (4) automobile main longitudinal grider; (4 ') vehicle beam; (5) unidirectional push-rod piston hydraulic damping hole; (6) bumper holder bolt; (7) pouring orifice sealing bolt; (8) unidirectional push-rod piston; (9) cartridge type cylinder body; (10) pressure chamber spring; (11) Oil-gas Separation piston; (12) energy chamber spring; (13) cartridge type rear end of the cylinder block lid; (14) gas injection port sealing nut; (15) main longitudinal grider and cartridge type cylinder body supporting washer; (15 ') skeleton symbol cylinder base fixed block.

Embodiment 1 is shown in figure one: (9) cartridge type cylinder body is made hollow unit cylinder with metallic material or non-metallic material, (13) cartridge type rear end of the cylinder block lid is connected into one with (9) cartridge type cylinder body leak free, after seal ring put into respectively the seal groove that is equipped with piece installing, again by (12) energy chamber spring, (11) Oil-gas Separation piston, (10) pressure chamber spring, (8) order of unidirectional push-rod piston is loaded in (9) cartridge type cylinder body, wherein the pusher section of (8) unidirectional push-rod piston is outside (9) cartridge type cylinder body, and (3) cartridge type cylinder body front end cover passes being connected on (9) cartridge type cylinder body of (8) individual event push-rod piston push rod seal.After checking sealing state, screw off (6) bumper holder nut and (7) pouring orifice sealing nut, inject hydraulic oil to the amount of appraising and deciding through pouring orifice to the pressure chamber of (9) cartridge type cylinder body, screw in and screw (7) pouring orifice sealing nut, unscrew (14) gas injection port sealing nut again, to authorized pressure, screw the empty sealing of (14) gas injection nut to the air scoop inert gas injecting of (9) cartridge type cylinder body.Inspection has or not liquefied gas to reveal, and after the standard up to specification, (2) dust protecting cap on (8) unidirectional push-rod piston pushing rod sleeve is fixed on (1) bumper holder on the push rod of (8) unidirectional push-rod piston by (6) bumper holder nut.After the shell of (9) cartridge type cylinder body was fixed (15) level beam and cartridge type cylinder body supporting washer, the screw by (3) cartridge type cylinder body front end cover was fixedly connected through nut with (4) automobile longitudinal girder again.

When bumping, the collision thing at first touches bumper/spoiler and (1) bumper holder of automobile, impact effect is moved after making (8) unidirectional push-rod piston in (9) cartridge type cylinder body, promptly compress hydraulic oil and (10) liquid air chamber spring, thereby promote (11) Oil-gas Separation Piston Compression unreactable gas and (12) energy chamber spring; When hydraulic oil is compressed, under powerful application force, hydraulic oil recoil (5) unidirectional push-rod piston hydraulic damping hole, be ejected into multistage oil pocket to oil revolute chamber, oil revolute chamber is formed at (8) unidirectional push-rod piston displacement, the space that forms between (3) cartridge type cylinder body front end cover inner end surface and (8) unidirectional push-rod piston end face.The interlock effect of these three application forces is absorbed impact energy during vehicle frame is impacted and digests, and has alleviated the type of vehicle frame in collision process and has become, and has protected vehicle body, vehicle frame, and power, driving system has ensured the safety of chaufeur.

Embodiment 2 is shown in figure two, because the part vehicle is unsuitable for installing long auto against Flexible Safety device, therefore, designs the two simple type structures of publishing picture.There is not (11) Oil-gas Separation piston in its structure, (12) energy chamber spring, (9) cartridge type cylinder body gas injection sealing arrangement, not inert gas injecting.The principle of work of embodiment 2 is with the principle of work of the hydraulic part of embodiment 1.

The auto against Flexible Safety device of embodiment 1 and embodiment 2 can divide into groups to be installed between the bumper/spoiler and main longitudinal grider of automobile, or is installed in the front of bumper/spoiler.External form can be packed processing with solid.

Adopt such scheme, the utility model example 1, embodiment 2, and following effect is arranged substantially: in automobile bumps process, the collision thing with by the impact energy of collision deposits yields, mostly assimilated by the Flexible Safety device in the middle of it.Farthest reduce the loss behind the auto against, ensured the safety of chaufeur.

Claims

The Flexible Safety device of 1 one kinds of auto againsts mainly is made up of cartridge type cylinder body, unidirectional push-rod piston, pressure chamber spring, Oil-gas Separation piston, energy chamber spring, sealing member, dust protecting cap, it is characterized in that:

(1) unidirectional push-rod piston is unit of the hollow class cylinder of metal material section or non-metallic material manufacturing, and piston end has hydraulic damping hole, seal groove, multistage oil pocket, push rod end that pouring orifice is arranged;

(2) Oil-gas Separation piston, the first cylinder for metallic material or non-metallic material manufacturing has seal groove and spring positioning groove;

(3) cartridge type cylinder body is metallic material or non-metallic material manufacturing, and front end is equipped with the front end cover that has seal ring of the unidirectional push rod of sealing, and there is air inflation sealing device the rear end;

(4) unidirectional push-rod piston, pressure chamber spring, Oil-gas Separation piston, energy chamber spring place in the cartridge type cylinder body together in order, and in forming pressure chamber and energy chamber, dispensing hydraulic oil and unreactable gas check that nothing is a finished product after revealing; The simple type structure does not have the Oil-gas Separation piston, the energy chamber spring, and the cartridge type cylinder body does not have gas injection sealing arrangement, not inert gas injecting;
2 auto against Flexible Safety devices according to claim 1 is characterized in that describedly, and the piston end of unidirectional push-rod piston has single-stage or multistage oil pocket, and the hydraulic damping hole is one or several.