CN102700631A

CN102700631A - Automobile anti-rollover system

Info

Publication number: CN102700631A
Application number: CN2012101517209A
Authority: CN
Inventors: 马根昌
Original assignee: SUZHOU LUNQIN INDUSTRIAL DESIGN CO LTD
Current assignee: SUZHOU LUNQIN INDUSTRIAL DESIGN CO LTD
Priority date: 2012-05-16
Filing date: 2012-05-16
Publication date: 2012-10-03

Abstract

The invention provides an automobile anti-rollover system, which comprises symmetrical columnar left and right cylinders in fixed connection with the chassis. In the left and right cylinders are provided three communicating columnar cavities along the axial line, which are a pressure bearing cavity, a transfer cavity and a heavy liquid cavity from bottom up in sequence; the inside diameters of the pressure bearing cavity and the heavy liquid cavity are larger than the inside diameter of the transfer cavity; the heavy liquid cavities of the left and right cylinders communicate with each other via a guide pipe, and counterweight liquid is sealed in the communicating space of the heavy liquid cavities of the left and right cylinders; the left and right cylinders each is provided with a transfer assembly, which includes a big piston capable of sliding in the heavy liquid cavity, a small piston capable of sliding in the transfer cavity, and a transfer rod connecting the big piston with the small piston; inside the pressure bearing cavity is provided a pressure bearing plug, and pressure bearing liquid is sealed between the pressure bearing plug and the small piston; and a support rod connected with an automobile damper is fixed at the outer end of the pressure bearing plug. The inventive system can effectively improve stability of a small-sized automobile chassis, and overcome the rollover problem of the automobile under a high-speed turning condition, so as to improve automobile safety.

Description

Anti-rollover system for automobiles

Technical field

The present invention relates to car chassis device field, particularly, is a kind of system that prevents that automobile from turning on one's side because of direction deflection under fast state.

Background technology

At present, along with the quick construction of express highway, overpass, expressway, automobile under more road conditions, can reach very high moving velocity.Yet from the consideration of safety, the moving velocity of automobile receives many-sided restriction, particularly to some subcompacts; Like three-wheeled motor vehicle etc., even if very open road conditions are arranged, and driving engine preferably, like smart; Also should not reach higher speed, because automobile is in the process of running at high speed, in case direction squints to some extent, the centnifugal force that is produced is also very huge; Because the chassis weight of miniature car is limited, is easy to turn on one's side, and causes severe traffic accidents.

For the problem that prevents vehicle side turning, still there is not a kind of reliable technique scheme at present, it is overcome.

Summary of the invention

To the problems referred to above, the object of the present invention is to provide a kind of anti-rollover system for automobiles, this system can improve the stability on miniature car chassis effectively, overcomes its rollover problem under the high speed deflection state, to improve the safety of automobile.

The technical solution adopted for the present invention to solve the technical problems is: this anti-rollover system for automobiles comprise with vehicle frame captive joint, symmetrical column left and right sides cylinder body; Offer the column chamber of three connections along axis in the cylinder body of the said left and right sides; Be followed successively by from bottom to up: pressure pocket, transmission chamber, heavy-fluid chamber, the internal diameter in said pressure pocket and heavy-fluid chamber is greater than the internal diameter that transmits the chamber; The heavy-fluid chamber of said left and right sides cylinder body is interconnected through conduit, and the space inner sealing that the heavy-fluid chamber of left and right sides cylinder body is communicated with has counterweight liquid; Also respectively be provided with transmitting assembly in the cylinder body of the said left and right sides, said transmitting assembly comprises the big piston that can in said heavy-fluid chamber, slide, the valve piston that can in said transmission chamber, slide, and the transmission bar that connects said big piston, valve piston; Also be provided with the pressure-bearing plug in the said pressure pocket, be closed with supporting roll between said pressure-bearing plug and the valve piston; Said pressure-bearing is held beyond the Great Wall and is consolidated with the cramp bar that links to each other with automobile damper.

As preferably, the ratio of said pressure pocket and the internal diameter that transmits the chamber is greater than 20:1, so that the small height change value of supporting roll can react on the height change value of transmitting supporting roll in the chamber by the value more than 20 times in the pressure pocket; And said valve piston can be substituted by a plunger with the transmission bar.

As preferably, said counterweight liquid is made up of big density liquid, can adopt carbon tetrachloride, Bromide solution, polyanion sodium salt, Aqueous Lithium Salts, mercury.

As preferably, said supporting roll is made up of hydraulic oil.

Beneficial effect of the present invention is: in automobile produced the blink of rollover tendency, the pressure of automobile one side increased suddenly, and the pressure of opposite side is die-offed; As, when automobile was desired to turn on one's side to the right, right side wheels and ground-surface pressure increased suddenly; Left side wheel and ground-surface pressure are die-offed, and at this moment, the right side Shock absorber produces moment thrust to the strut bar of said right cylinder body; Impel the interior pressure-bearing of right cylinder body to push away beyond the Great Wall; Thereby cause the height of supporting roll in transmitting the chamber to increase rapidly, thereby promote said valve piston, big piston rapidly, impel a large amount of counterweight flow of liquid heavy-fluid chamber left in the right heavy-fluid chamber; Thereby make the weight of weight moment in automobile left side greater than the right side, the right side tipping of effectively having controlled automobile thus to; When automobile was desired to turn on one's side left, it was identical when turning over the right side to control principle; Native system can improve the stability on miniature car chassis effectively, overcomes its rollover problem under the high speed deflection state, to improve the safety of automobile.

Description of drawings

Fig. 1 is the structural representation of an embodiment of this anti-rollover system for automobiles.

Fig. 2 be Fig. 1 embodiment automobile produce the right side tipping to the time working state figure.

Fig. 3 be Fig. 1 embodiment automobile produce the left side tipping to the time working state figure.

The specific embodiment

Below in conjunction with accompanying drawing and embodiment the present invention is further specified:

In the embodiment shown in fig. 1; This anti-rollover system for automobiles comprises column that captive joint with vehicle frame, symmetrical left and right sides cylinder body 1a, 1b; Offer the column chamber of three connections respectively along axis in the cylinder body of the said left and right sides, be followed successively by from bottom to up:

pressure pocket

13a, 13b,

transmit chamber

12a, 12b; Heavy-fluid chamber 11a, 11b, the internal diameter of said

pressure pocket

13a, 13b and heavy-fluid chamber 11a, 11b is greater than the internal diameter that transmits

chamber

12a, 12b; The heavy-fluid chamber 11a of said left and right sides cylinder body, 11b are interconnected through conduit 5, and the space inner sealing that the heavy-fluid chamber of left and right sides cylinder body 1a, 1b is communicated with has counterweight liquid 6; Also respectively be provided with transmitting assembly in the cylinder body of the said left and right sides; Said transmitting assembly comprises big piston 2a, the 2b that can in said heavy-fluid chamber 11a, 11b, slide; Valve piston 3a, the 3b that can in said

transmission chamber

12a, 12b, slide, and the transmission bar 23a, the 23b that connect said big piston, valve piston; Also be provided with pressure-bearing

plug

4a, 4b in said pressure pocket 13a, the 13b, be closed with supporting roll between said pressure-bearing

plug

4a, 4b and valve piston 3a, the 3b; Said pressure-bearing

plug

4a, 4b outer end are consolidated with cramp bar 41a, the 41b that links to each other with automobile damper.

Under normal conditions; Said left and right sides cylinder body 1a, 1b can be processed by body of stainless steel, and the ratio of said

pressure pocket

13a, 13b and the internal diameter of

transmission chamber

12a, 12b is greater than 20:1, so; Raised 1cm like the supporting roll in the pressure pocket by pressure-bearing

plug

4a, 4b; Then transmit fluid column in the

chamber

12a, 12b with more than the rising 20cm, impel said transmitting assembly to do large scale and raise, to push a large amount of counterweight liquid 6 to automobile one side through said big piston 2a, 2b.What be worth proposition is that under the less situation of the internal diameter of said

transmission chamber

12a, 12b, in order to improve structural stability, said valve piston can be substituted by a plunger with the transmission bar.

Said supporting roll can be made up of normal hydraulic oil, and is made up of big density liquid for said counterweight liquid 6, can adopt carbon tetrachloride, Bromide solution, polyanion sodium salt, Aqueous Lithium Salts, mercury etc.; Its major requirement is, density of liquid is big as far as possible, and price is cheap as far as possible; Because counterweight liquid 6 is osed tops; Its toxicity requires low slightly, except that severe toxicity, all can adopt.

The principle of work of this anti-rollover system for automobiles such as Fig. 2, shown in Figure 3, in Fig. 2, automobile produced the right side tipping to; Then right side wheels and ground-surface pressure increase suddenly, and left side wheel and ground-surface pressure are die-offed, at this moment; The right side Shock absorber produces moment thrust F to the strut bar 41b of right cylinder body; Impel in the right cylinder body to push away (because pressure-bearing plug 4b ascending amount is less, the shift in position that Gu Tuzhong does not draw pressure-bearing plug 4b) on the pressure-bearing plug 4b, thereby cause the height of supporting roll in transmitting chamber 13b to increase rapidly; Thereby promote said valve piston,

big piston

3b, 2b rapidly; Impel a large amount of counterweight liquid 6 in the right heavy-fluid chamber to flow to left heavy-fluid chamber, thereby make the weight of weight moment in automobile left side greater than the right side, the right side tipping of effectively having controlled automobile thus to; When automobile is desired to turn on one's side left; It is identical when turning over the right side to control principle, and its state is as shown in Figure 3, and automobile left side Shock absorber produces moment thrust F to the strut bar 41a of left cylinder; Through continuous transfer function; Finally make a large amount of counterweight liquid 6 flow to right heavy-fluid chamber, thereby make the weight of weight moment on automobile right side greater than the left side, the left side tipping of effectively having controlled automobile thus to.

Native system can improve the stability on miniature car chassis effectively, overcomes its rollover problem under the high speed deflection state, to improve the safety of automobile.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims

1. anti-rollover system for automobiles; It is characterized in that: comprise column that captive joint with vehicle frame, symmetrical left and right sides cylinder body (1a, 1b); Offer the column chamber of three connections along axis in the cylinder body of the said left and right sides; Be followed successively by from bottom to up: pressure pocket (13a, 13b), transmission chamber (12a, 12b), heavy-fluid chamber (11a, 11b), the internal diameter of said pressure pocket (13a, 13b) and heavy-fluid chamber (11a, 11b) is greater than the internal diameter that transmits chamber (12a, 12b); The heavy-fluid chamber (11a, 11b) of said left and right sides cylinder body (1a, 1b) is interconnected through conduit (5), and the space inner sealing that the heavy-fluid chamber of left and right sides cylinder body (11a, 11b) is communicated with has counterweight liquid (6); Also respectively be provided with transmitting assembly in the cylinder body of the said left and right sides; Said transmitting assembly comprises the big piston (2a, 2b) that can in said heavy-fluid chamber (11a, 11b), slide, the valve piston (3a, 3b) that can in said transmission chamber (12a, 12b), slide, and the transmission bar (23a, 23b) that connects said big piston, valve piston; Also be provided with pressure-bearing plug (4a, 4b) in the said pressure pocket (13a, 13b), be closed with supporting roll between said pressure-bearing plug (4a, 4b) and the valve piston (3a, 3b); Said pressure-bearing plug (4a, 4b) outer end is consolidated with the cramp bar (41a, 41b) that links to each other with automobile damper.

2. anti-rollover system for automobiles according to claim 1 is characterized in that: the ratio of the internal diameter in said pressure pocket (13a, 13b) and transmission chamber (12a, 12b) is greater than 20:1.

3. anti-rollover system for automobiles according to claim 1 is characterized in that: said counterweight liquid (6) is made up of a kind of in carbon tetrachloride, Bromide solution, polyanion sodium salt, Aqueous Lithium Salts, the mercury.

4. anti-rollover system for automobiles according to claim 1 is characterized in that: said supporting roll is made up of hydraulic oil.

5. anti-rollover system for automobiles according to claim 1 and 2 is characterized in that: said valve piston (3a, 3b) can be substituted by a plunger with transmission bar (23a, 23b).