CN115123158A - Anti-skid device for vehicle and vehicle - Google Patents
Anti-skid device for vehicle and vehicle Download PDFInfo
- Publication number
- CN115123158A CN115123158A CN202210980069.XA CN202210980069A CN115123158A CN 115123158 A CN115123158 A CN 115123158A CN 202210980069 A CN202210980069 A CN 202210980069A CN 115123158 A CN115123158 A CN 115123158A
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- China
- Prior art keywords
- vehicle
- antiskid device
- airbag
- bracket
- balloon
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000009977 dual effect Effects 0.000 claims description 3
- 239000011185 multilayer composite material Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
Abstract
The invention provides an antiskid device for a vehicle, comprising: an airbag (2); and a bracket (3), the bracket (3) holding the airbag (2) and being connected to a body of a vehicle; wherein the vehicle antiskid device (1) is configured to be capable of generating a force for braking a vehicle in a wedge-acting manner by contacting the ground in an inflated state of the airbag (2). According to some embodiments, the antiskid device for vehicles according to the present invention can effectively assist braking, shorten a braking distance of a vehicle, and prevent the vehicle from slipping or drifting sideways by forming a "pneumatic wedge" in front of the vehicle in driving.
Description
Technical Field
The invention relates to an auxiliary anti-skid technology of a vehicle, in particular to an anti-skid device for a vehicle and the vehicle.
Background
Generally, a vehicle brakes by friction of wheels with the ground. In the north, snow or ice often accumulates on the road surface after snow falls in winter. At this time, if the automobile brakes on the road surface, the friction coefficient between the tire and the road surface is very low, and the adhesion force of the tire to the ground is reduced, so that the automobile cannot be normally braked as usual, the braking distance of the automobile is lengthened if the vehicle is light, and the automobile sideslips or even swings if the vehicle is heavy, so that the traffic accident caused by the out-of-control of the automobile is caused. The consequences are even more severe especially when the vehicle is driving on a sloping and downhill road.
The existing antiskid device has the problems of complex structure and assembly, insufficient antiskid effect caused by small contact area with the ground, easy damage of the structure, damage to the ground and the like. Therefore, there is a need for an improved anti-skid device for a vehicle.
Disclosure of Invention
In view of the technical problems in the prior art, an object of the present invention is to provide an anti-skid device for a vehicle to assist braking of the vehicle, particularly braking on a road surface with snow or ice and/or a downhill, thereby preventing a traffic accident.
According to a first aspect of the present invention, there is provided an antiskid device for a vehicle, comprising: an air bag; and a bracket that holds the airbag and is connected to a body of a vehicle; wherein the vehicle antiskid device is configured to be able to contact the ground in an inflated state of the airbag to generate a force for braking the vehicle in a wedge action manner.
In the present invention, the "wedge action mode" means that the vehicle antiskid device forms a "wedge" in the traveling front of the vehicle by deformation of the airbag. Hereinafter, "wedge" is also referred to as "inflation wedge".
In the above and following description, the terms "front" and "rear" are used with respect to the direction of travel of the vehicle, i.e., "front" refers to the same direction as the direction of travel of the vehicle, and "rear" refers to the opposite direction to the direction of travel of the vehicle. Thus, the front may also be the direction in which the rear of the vehicle is pointing.
According to an alternative embodiment of the present invention, the antiskid device for vehicles further comprises: a valve assembly mounted on the support to control inflation and deflation of the balloon; and a pump connected to the valve assembly to control at least inflation of the bladder.
According to an alternative embodiment of the invention, the balloon is connected to the stent along an edge of the stent such that a cavity adapted to contain a gas is formed between the balloon and the stent.
According to an alternative embodiment of the invention, the bracket is shaped such that the vehicle anti skid device in the inflated state of the airbag is at least partially in the form of a cylinder, which extends in the width direction of the vehicle, the cylinder preferably having a sector-shaped cross section, preferably having a sector angle of 270 degrees.
According to an alternative embodiment of the invention, the bracket comprises two mutually perpendicular portions, at least one of which is connected to the body of the vehicle.
According to an alternative embodiment of the invention, said valve assembly is a single valve adapted to inflate and deflate the balloon, or comprises an air inlet valve adapted to inflate the balloon and a deflation valve adapted to deflate the balloon; and/or the pump is a dual pump for inflation and deflation adapted to inflate and deflate the balloon, or comprises a compression pump adapted to inflate the balloon and a vacuum pump adapted to deflate the balloon.
According to an alternative embodiment of the invention, the balloon consists of a single-layer or multilayer composite material; and/or the bladder has an anti-slip structure on at least the surface of the portion of the bladder that contacts the ground after inflation.
According to an alternative embodiment of the invention, the anti-skid device for a vehicle is integrated with or detachably mounted under a front impact beam and/or a rear impact beam of the vehicle in such a way that the length direction of the anti-skid device is approximately parallel to the front impact beam and/or the rear impact beam; and/or the anti-skid device for a vehicle further comprises a pressure sensor preferably fixed to the bracket for detecting the air pressure in the air bag.
According to an alternative embodiment of the present invention, the antiskid device for vehicles may be turned on and/or off manually by a user or automatically by a control module based on parameters collected by the vehicle system.
In the present invention, the opening or closing of the antiskid device for a vehicle means that the airbag is in an inflated state or a deflated state, respectively.
According to a second aspect of the present invention, there is provided a vehicle having an antiskid device for a vehicle according to the present invention and a control module for controlling the antiskid device.
According to certain embodiments of the present invention, it will be appreciated by those skilled in the art that the inflated bladder may deform when in contact with the ground due to the resistance of the ground. On the other hand, the airbag receives frictional force from the ground and thrust transmitted from the vehicle through the bracket, and the actual center of gravity of the airbag moves rearward, i.e., in a direction opposite to the traveling direction of the vehicle, by both forces, that is, the entire airbag is dragged rearward. The anti-skid device for a vehicle according to the present invention increases a contact area with the ground by deformation of the air bag, thereby generating a greater force for braking the vehicle, as compared to the conventional anti-skid device. In addition, the contact area between the airbag and the ground of the antiskid device for a vehicle increases as the amount of gas filled in the airbag increases within a certain range. In this way, the braking effect of the antiskid device for a vehicle on the vehicle can be controlled by controlling the amount of gas filled in the airbag. Therefore, by using the anti-skid device according to the present invention, it is possible to effectively assist braking, shorten a vehicle braking distance, and prevent a vehicle from slipping or drifting sideways. In addition, the anti-skid device for the vehicle has the advantages of simple structure and convenience in installation and replacement.
Advantages and aspects of the present invention are not limited to the above-mentioned advantages and aspects.
Drawings
The principles, features and advantages of the present invention may be better understood by describing the invention in more detail below with reference to the accompanying drawings. The drawings comprise:
fig. 1 is a schematic sectional view showing an exemplary embodiment of an antiskid device for vehicles according to the present invention in an inflated state of an airbag.
Fig. 2 is a schematic front view showing an exemplary embodiment of an antiskid device for vehicles according to the present invention, which is installed under an impact beam of a vehicle, in an inflated state of an airbag.
Fig. 3 is a schematic view of a vehicle in which a front impact beam is mounted with an antiskid device for vehicles according to the present invention, wherein the vehicle travels on a downhill road.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and exemplary embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the principles of the invention and do not delimit the scope of the invention.
Fig. 1 is a schematic sectional view showing one example embodiment of an antiskid device for vehicles 1 according to the present invention in an inflated state of an airbag 2. Fig. 2 is a schematic front view showing one example embodiment of the antiskid device for a vehicle 1 according to the present invention in an inflated state of the airbag 2, wherein the antiskid device for a vehicle 1 is installed under an impact beam 7 of the vehicle.
As shown in fig. 1, an antiskid device 1 for a vehicle according to the present invention may include an airbag 2 and a bracket 3, the bracket 3 holding the airbag 2 and being attached to a body of the vehicle.
According to an exemplary embodiment of the present invention, as shown in fig. 1, the antiskid device for vehicles 1 further includes: a valve assembly including an air inlet valve 4 for inflating the air bag and an air release valve 5 for releasing the air bag, the air inlet valve 4 and the air release valve 5 being mounted on the bracket 3 to control inflation and deflation of the air bag 2; and a pump (not shown) connected to at least the inlet valve 4 to control at least the inflation of the bladder 2.
Although the embodiment shown in fig. 1 illustrates an example in which the valve assembly comprises an inlet valve 4 and an outlet valve 5, it will be appreciated by those skilled in the art that the valve assembly may be a single valve adapted to inflate and deflate the balloon.
Preferably, however, separate control of both inflation and deflation of the air bags is advantageously achieved by providing separate inlet and deflation valves. For example, the air bag can be rapidly inflated, so that the antiskid device 1 for the vehicle can play an antiskid role as soon as possible, thereby strengthening the braking of the vehicle; meanwhile, the air bag can be deflated slowly or the deflation rate of the air bag can be finely adjusted.
Further, it will be appreciated by those skilled in the art that the opening and closing of the valve assembly and the rate of inflation and deflation of the balloon may be controlled by external control means.
Although not shown, the valve assembly may be connected to the pump, for example, by a vent line. In addition to being a pump connected to the inlet valve 4 to control the inflation of the bladder 2, the pump may also include a compressed air pump for inflating the bladder and a vacuum pump for deflating the bladder. In particular, the inlet valve 4 may be connected to a compressed air pump and the release valve 5 may be connected to a vacuum pump. Alternatively, the pump may be a dual pump capable of inflating and deflating the balloon.
According to an exemplary embodiment of the invention, as shown in fig. 1, the airbag 2 is connected to the stent 3 along an edge of the stent 3 such that a cavity adapted to contain a gas is formed between the airbag 2 and the stent 3.
In the present invention, the balloon 2 may be attached to the stent 3 in a variety of ways known in the art, for example, the balloon 2 may be pressed against the stent 3 along the edges of the stent 3 by one or more slats, or the balloon and stent may be integrated using fluidization techniques. Furthermore, the choice of the manner in which the balloon is attached to the stent may depend on the choice of balloon material and stent material.
In the present invention, the material of the stent is not particularly limited, and may be, for example, a metal, an alloy, a polymer material having high rigidity, a composite material, or the like. In addition, the material of the air bag is not limited, and the material in the prior art can be selected as long as the elastic material can provide the friction force to the ground and has the wear-resisting property. Additionally or alternatively, the balloon may be composed of a single or multi-layer composite material as is known in the art. Alternatively, in another exemplary embodiment according to the present invention, the surface of the air bag, at least the portion of the air bag that contacts the ground in the inflated state, may have a non-slip structure, which may be a non-slip structure known in the art, such as a non-slip pad, a non-slip stud, or the like.
With reference to fig. 1 and 2, according to an exemplary embodiment of the present invention, the shape of the bracket 3 is designed such that in the inflated state of the airbag 2, the antiskid device 1 for a vehicle is at least partially in the form of a cylinder. Preferably, the cylinder has an approximately sector-shaped cross section; it is further preferred that the cross-sectional fan shape of the column has a fan angle of 270 degrees as shown in fig. 1.
According to an exemplary embodiment of the present invention, as shown in fig. 1, the bracket 3 may comprise two mutually perpendicular portions, i.e. the bracket 3 is shaped like an "L". In the present invention, the two mutually perpendicular portions of the bracket 3 may be fixedly connected to each other or integrated. The two parts of the bracket 3 may be fixedly connected in various ways known in the art. Furthermore, the integrated bracket 3 may also be manufactured by, for example, punching a plate material. Additionally, one or both of the two parts of the bracket 3 may be plate-shaped.
According to an exemplary embodiment of the present invention, as shown in fig. 2, the antiskid device for vehicles may be integrated with or detachably mounted under a front impact beam and/or a rear impact beam 7 of a vehicle in such a manner that the lengthwise direction thereof is substantially parallel to the front impact beam and/or the rear impact beam 7.
In the case where the antiskid device for a vehicle is installed under the front impact beam, the antiskid device for a vehicle may come into contact with the ground after being opened when the vehicle travels forward, thereby forming a frictional force opposite to the traveling direction of the vehicle at the contact position of the airbag with the ground.
In the case where the antiskid device for a vehicle is installed under the rear impact beam, when the vehicle travels backward, for example, when backing up, the antiskid device for a vehicle may come into contact with the ground after being opened, thereby forming a frictional force, which is also opposite to the traveling direction of the vehicle, at the contact position of the airbag with the ground.
According to another exemplary embodiment of the present invention, anti-skid devices for vehicles may be installed on both front and rear impact beams of a vehicle, thereby enabling different anti-skid devices for vehicles to be used under different driving conditions. In addition, two vehicle antiskid devices respectively mounted on the front impact beam and the rear impact beam can also be used simultaneously.
The anti-skid device for a vehicle can be attached to the body of the vehicle, in particular to the impact beam of the vehicle, in various known ways. For example, the bracket 3 of the antiskid device for vehicles 1 may be attached to the vehicle body by screwing or the like. In particular, as shown in fig. 1, at least one of the two mutually perpendicular portions of the bracket 3 may be mounted to the body of the vehicle, for example by means of a screw connection.
When the airbag 2 is in the deflated state, the antiskid device 1 for a vehicle can be characteristically stowed, for example, in a flat form, under the body of the vehicle, such as a front impact beam and/or a rear impact beam, so as not to interfere with the normal running of the vehicle.
According to an exemplary embodiment of the present invention, as shown in fig. 1, the antiskid device for vehicles 1 further includes a pressure sensor 6 fixed to the bracket 3 for detecting the air pressure inside the air bag 2.
Preferably, according to another exemplary embodiment of the present invention, the valve assembly (and the pump) of the antiskid device for vehicles 1 may be controlled according to the value of the air pressure inside the air bag 2 detected by the pressure sensor 6. For example, the valve assembly or a part of the valve assembly (and the pump) may be closed after the air pressure value detected by the pressure sensor 6 reaches a preset value, thereby stopping the inflation of the airbag 2. Control of the opening and closing of the valve assembly (and pump) may be accomplished by a control module integrated within a vehicle, such as a vehicle machine system. The control module may include manual confirmation means for the user, such as a corresponding button or a corresponding box displayed in the display interface, so that the user can manually turn on (and off) the anti-skid device for the vehicle. In addition, preferably, the control module can control the antiskid device for the vehicle based on various relevant parameters collected by the vehicle-mounted machine system, so that the antiskid device for the vehicle can be automatically opened (and closed).
According to the invention, the braking of the vehicle, in particular on snow or icy and/or downhill roads, can be significantly improved. For example, fig. 3 is a schematic view of a vehicle in which a front impact beam is mounted with the antiskid device for a vehicle 1 according to the present invention, wherein the vehicle travels on a downhill road.
As shown in fig. 3, when the vehicle is traveling on a downhill road, i.e., in the direction of the broken line arrow in the figure, the antiskid device for a vehicle 1 mounted to the front impact beam comes into contact with the ground in the inflated state of the airbag, so that the ground exerts a frictional force F1 opposite to the traveling direction, i.e., upward along a slope, against the antiskid device for a vehicle at the contact position of the airbag with the ground. In addition, at this contact position, the ground surface forms an upward supporting force with respect to the antiskid device for a vehicle 1, and the supporting force and the frictional force F1 form a resultant force F2 that forms an obtuse angle with respect to the traveling direction of the vehicle. The antiskid device for a vehicle 1 forms an "air wedge" under the front lower portion of the vehicle by the resultant force F2, thereby increasing the force for braking the vehicle, and thereby improving the antiskid performance of the vehicle, particularly when running on a downhill road.
Although specific embodiments of the invention have been described herein in detail, they have been presented for purposes of illustration only and are not to be construed as limiting the scope of the invention. Various substitutions, alterations, and modifications may be devised without departing from the spirit and scope of the present invention.
Claims (10)
1. An anti-skid device (1) for a vehicle, comprising:
an airbag (2); and
a bracket (3), the bracket (3) holding the airbag (2) and being connected to a body of a vehicle;
wherein the vehicle antiskid device (1) is configured to be capable of generating a force for braking a vehicle in a wedge-acting manner by contacting the ground in an inflated state of the airbag (2).
2. The antiskid device (1) for vehicles according to claim 1, wherein the antiskid device (1) for vehicles further comprises:
the valve assembly is arranged on the bracket (3) and controls the inflation and deflation of the air bag (2); and
a pump connected to a valve assembly to control at least inflation of the bladder (2).
3. The antiskid device for vehicles according to claim 1 or 2,
the balloon (2) is connected to the support (3) along an edge of the support (3) such that a cavity adapted to contain a gas is formed between the balloon (2) and the support (3).
4. The antiskid device for a vehicle according to any one of claims 1 to 3,
the shape of the holder (3) is designed such that the vehicle anti-skid device (1) in the inflated state of the airbag (2) is at least partially in the form of a cylinder which extends in the width direction of the vehicle, the cylinder preferably having a sector-shaped cross section, preferably having a sector angle of 270 degrees.
5. The antiskid device for a vehicle according to any one of claims 1 to 4,
the bracket (3) comprises two mutually perpendicular portions, at least one of which parts of the bracket (3) is connected to the body of the vehicle.
6. The antiskid device for a vehicle according to any one of claims 1 to 5,
said valve assembly is a single valve adapted to inflate and deflate the air bag, or consists of an air inlet valve adapted to inflate the air bag and a deflation valve adapted to deflate the air bag; and/or
The pump is a dual pump for inflation and deflation adapted to inflate and deflate the balloon, or comprises a compression pump adapted to inflate the balloon and a vacuum pump adapted to deflate the balloon.
7. The antiskid device for a vehicle according to any one of claims 1 to 6,
the airbag (2) is made of a single-layer or multi-layer composite material; and/or
The air bag (2) has an anti-slip structure on at least the surface of the portion thereof which comes into contact with the ground after inflation.
8. The antiskid device for a vehicle according to any one of claims 1 to 7,
the vehicle antiskid device (1) is integrated with or detachably mounted below a front collision beam and/or a rear collision beam (7) of a vehicle in a manner that the length direction of the vehicle antiskid device is approximately parallel to the front collision beam and/or the rear collision beam (7); and/or
The vehicle antiskid device (1) further comprises a pressure sensor (6) preferably fixed on the support (3) and used for detecting the air pressure in the air bag (2).
9. The antiskid device for a vehicle according to any one of claims 1 to 8,
the anti-skid device (1) for the vehicle is manually opened and/or closed by a user or automatically opened and/or closed through control of a control module based on parameters collected by a vehicle machine system.
10. A vehicle having a vehicle anti-skid device (1) according to any one of claims 1-9 and a control module for controlling the vehicle anti-skid device (1).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210980069.XA CN115123158A (en) | 2022-08-16 | 2022-08-16 | Anti-skid device for vehicle and vehicle |
| DE102023003141.0A DE102023003141A1 (en) | 2022-08-16 | 2023-07-29 | A vehicle anti-slip device and a vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210980069.XA CN115123158A (en) | 2022-08-16 | 2022-08-16 | Anti-skid device for vehicle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115123158A true CN115123158A (en) | 2022-09-30 |
Family
ID=83387983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210980069.XA Pending CN115123158A (en) | 2022-08-16 | 2022-08-16 | Anti-skid device for vehicle and vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115123158A (en) |
| DE (1) | DE102023003141A1 (en) |
-
2022
- 2022-08-16 CN CN202210980069.XA patent/CN115123158A/en active Pending
-
2023
- 2023-07-29 DE DE102023003141.0A patent/DE102023003141A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE102023003141A1 (en) | 2024-02-22 |
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