CN210555215U - Mass body - Google Patents
Mass body Download PDFInfo
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- CN210555215U CN210555215U CN201921461817.3U CN201921461817U CN210555215U CN 210555215 U CN210555215 U CN 210555215U CN 201921461817 U CN201921461817 U CN 201921461817U CN 210555215 U CN210555215 U CN 210555215U
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- motor vehicle
- mass block
- vehicle
- stroke cavity
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Abstract
The utility model relates to a mass body, which belongs to an emergency braking protection device, wherein the rear part of a motor vehicle is provided with an inclined mass body with a travel cavity, the inclination direction is opposite to the advancing direction of a vehicle head, a mass block is arranged in the travel cavity, two ends of the mass block are respectively supported by a first elastic device and a second elastic device to ensure that the mass block is in a suspension state, when the motor vehicle is braked emergently, the mass block can move along the travel cavity to the lower side along the incline direction due to inertia, thereby generating strong pushing force and traction force at the tail end of the vehicle, ensuring that the vehicle is safely and effectively decelerated to a safe braking speed interval, effectively shortening braking time and braking distance, shortening the emergency braking time, increasing the speed change, increasing the generated continuous pushing inertia force, effectively reducing or even avoiding the possibility of tail flicking, sideslip or overturning when the motor vehicle is braked emergently, the driving safety of the motor vehicle is greatly improved.
Description
Technical Field
The utility model relates to an emergency braking protector, in particular to quality body.
Background
In modern society, motor vehicles are spread all over the world. The hidden traffic troubles brought by the motor vehicles are gradually highlighted, and are caused by emergency braking when the motor vehicles meet emergency situations to a great extent.
In the process of high-speed running of the motor vehicle, if emergency braking is carried out, the vehicle head can be pressed downwards, the vehicle tail is lifted upwards, the braking capacity (including the pressing capacity and the friction) of the two front wheels can be far greater than that of the two rear wheels, the ground gripping capacity of the vehicle tail can be far smaller than that of the vehicle head, and therefore the motor vehicle can easily have various conditions such as tail flicking, sideslip and overturning, can flick the vehicle out of a running place regardless of tail flicking or sideslip, can collide with surrounding pedestrians, vehicles or buildings to a greater extent, has great harm to drivers and the society, and can only get worse if overturning occurs.
While emergency braking is a normal operation in the event of an emergency, and is a fact that any one driver cannot control or predict.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's defect, the utility model provides a mass body, through the mass body that sets up the slope inside the motor vehicle trunk or motor vehicle carriage afterbody, the direction of advance of its incline direction and motor vehicle is opposite, be equipped with the quality piece in the stroke cavity of mass body, support through first resilient means and second resilient means respectively, when motor vehicle emergency braking, the quality piece can push down to first resilient means's direction because of inertia along the stroke cavity, thereby produce powerful holding down force to the rear of a vehicle, with the reduction speed of a motor vehicle, reduce brake time and braking distance.
The technical scheme for realizing the purpose is as follows:
the utility model provides a mass body, which comprises
The inclined shell is provided with a stroke cavity, a first elastic device is fixedly arranged at the bottom of the stroke cavity, and the other end of the first elastic device is a movable end;
the mass block is arranged at the movable end, the outer diameter of the mass block is matched with the stroke cavity, and a plurality of balls are arranged at the contact part of the mass block and the inner wall of the stroke cavity and are in sliding connection through the balls so as to reduce the friction force of the mass block during movement; the other end of the mass block is provided with
The second elastic device is fixedly arranged at the top of the stroke cavity, and the mass block is prevented from generating adverse effects on a mass body or a motor vehicle and the like due to rebounding of the first elastic device after the first elastic device is compressed.
Further, the inclination angle of the shell is 40-50 degrees with the horizontal plane, so that the mass body can provide larger downward pressure.
Further, the top end of the shell is provided with a mounting surface for mounting the mass body.
Furthermore, the inner wall of the stroke cavity is a smooth surface, the outer surface of the mass block is provided with a first groove, and the ball is arranged in the first groove; or the inner wall of the stroke cavity is provided with a second groove, the ball is arranged in the second groove, and the outer surface of the mass block is a smooth surface. The ball and the first groove/the second groove are designed to limit the ball, so that the mass block can be conveniently installed in the stroke cavity.
Further, the housing is a cylinder.
Furthermore, the mass body is fixedly arranged in a trunk of the motor vehicle or at the tail of a carriage of the motor vehicle, and according to the lever principle, the farther the distance between the mass body and the head of the motor vehicle is, the stronger the acting force generated by the mass body is.
Has the advantages that: compared with the prior art, the utility model has the difference that the utility model provides a mass body, through set up the casing that has the slope of stroke cavity at the motor vehicle rear portion, its incline direction is opposite with the direction that the locomotive gos forward, be equipped with a quality piece in the stroke cavity, the both ends of quality piece are supported through first resilient means and second resilient means respectively, make it be in suspension state, when the motor vehicle emergency braking, the quality piece can be because of inertia along stroke cavity direction downward movement to produce powerful holding down force and tractive power at the rear of a vehicle, emergency braking time is short, speed variation is big more, the produced continuous holding down inertia power that just is big more, braking distance and braking time when having greatly reduced the motor vehicle emergency braking, can effectively reduce or even avoided the possibility that the motor vehicle emergency braking appears whipping, sideslip or overturning, the driving safety of the motor vehicle is greatly improved.
Drawings
Fig. 1 is a front cross-sectional view of the mass body of the mass block installed in the stroke cavity of the present invention.
Fig. 2 is a front cross-sectional view of the mass body of the middle mass block outside the stroke cavity.
Fig. 3 is a schematic structural view of the mass body installed in the motor vehicle according to the present invention.
The device comprises a shell, a 10-stroke cavity, 11-a first elastic device, 12-a mass block, 121-a first groove, 13-a ball, 14-a second elastic device, 15-a mounting surface, 2-a motor vehicle, 3-a guide post, 31-a lower end, 32-an upper end, 33-a third elastic device, 4-a limiting cover and 5-a mounting block.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
The first embodiment is as follows:
referring to fig. 1 and 3, the present invention provides a mass body, which comprises
The inclined shell 1 is provided with a stroke cavity 10, a first elastic device 11 is fixedly arranged at the bottom of the stroke cavity 10, and the other end of the first elastic device 11 is a movable end;
the mass block 12 is arranged at the movable end, the outer diameter of the mass block 12 is matched with the stroke cavity 10, a plurality of balls 13 are arranged at the contact part of the mass block 12 and the inner wall of the stroke cavity 10, and the balls 13 are in sliding connection to reduce the friction force of the mass block 12 during movement, obviously, the balls 13 are only one medium providing smaller friction force, the invention is not limited to the medium, for example, a lubricant can be coated at the contact part of the mass block and the stroke cavity, and the mass block 12 can move freely under the condition of smaller or even no friction force; the other end of the mass block 12 is provided with
And the second elastic device 14 is fixedly arranged at the top of the stroke cavity 10, so that the mass block 12 is prevented from generating adverse effects on a mass body or a motor vehicle and the like due to the rebound of the first elastic device 11 after the first elastic device 11 is compressed.
The mass 12 may be selected from a material having a relatively large mass per unit volume, such as a stainless steel block.
Preferably, the housing 1 is inclined at an angle of 40 to 50 degrees from the horizontal plane, so that the mass body can provide a large downward pressure.
Preferably, the top end of the housing 1 is provided with a mounting surface 15 for mounting the mass body, obviously, the top end of the housing 1 is provided with a mounting surface 15 only in a preferred embodiment, and according to the actual mounting position and the mounting space, the bottom end of the housing 1 or the outer wall of the housing 1 can be the mounting surface, or the bottom end, the top end and the outer wall of the housing 1 can be fixed at multiple positions, so as to ensure that the housing 1 does not have relative displacement with the load.
Preferably, the inner wall of the stroke cavity 10 is smooth, the outer surface of the mass block 12 is provided with a first groove 121, and the ball 13 is mounted in the first groove 121; or the inner wall of the stroke cavity 10 is provided with a second groove, the ball 13 is arranged in the second groove, and the outer surface of the mass block 12 is a smooth surface. The design of the balls 13 and the first/second grooves 121/121 is mainly used to limit the balls 13, and facilitate the installation of the mass 12 in the stroke cavity 10.
Preferably, the housing is a cylinder.
Preferably, the mass body is fixedly arranged in a trunk of the motor vehicle or at the tail of a compartment of the motor vehicle 2, and according to the lever principle, the farther the distance from the head of the motor vehicle 2, the stronger the acting force generated by the mass body.
Example two:
referring to fig. 2 and 3, the present invention further provides an embodiment in which the mass block is disposed outside the stroke cavity, and the same parts as those in the first embodiment are not repeated, and only the differences are described in this embodiment.
In this embodiment, a guide post 3 is added, the lower end 31 of the guide post 3 is arranged in the stroke cavity 10, by the ball 13 cooperating with said stroke cavity 10, the upper end 32 of the guide post 3 is arranged outside the stroke cavity 10, the diameter of the upper end 32 is smaller than that of the lower end 31, the top of the shell 1 is provided with a limit cover 4, the limit cover 4 is provided with a through hole matched with the diameter of the upper end 32, the limit cover 4 is used for preventing the lower end 31 of the guide post 3 from popping out of the stroke cavity 10, the top end of the guide post 3 is provided with an installation block 5, the diameter of the installation block 5 is larger than that of the guide post at the upper end 32, the mass block 12 is fixedly arranged on the installation block 5, the upper end 32 of the guide post 3 is sleeved with a third elastic device 33, the surface of the limit cover 4 is also provided with an anti-collision pad, in emergency braking, the mounting block 5 is prevented from moving obliquely downward, which adversely affects the housing 1.
In the embodiment, the inertia effect of the mass block, the arrangement of the inclination angle of the shell and the arrangement of the initial suspension state of the mass block are also utilized. When the motor vehicle is braked emergently, the mass block moves in the stroke cavity along with the guide post in the oblique downward direction.
More than, the utility model discloses the product quality body can dispose domestic minibus, freight train according to the required suitable configuration scheme of size of vehicle, medium bus, freight train, motorbus, freight train to and the trailer vehicle that contains two sections within two sections, it is better to large-scale trailer truck and two no-load freight train vehicle effects.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (7)
1. A mass, characterized by: comprises that
The inclined shell is provided with a stroke cavity, a first elastic device is fixedly arranged at the bottom of the stroke cavity, and the other end of the first elastic device is a movable end;
the mass block is arranged at the movable end, the outer diameter of the mass block is matched with the stroke cavity, and a plurality of balls are arranged at the contact part of the mass block and the inner wall of the stroke cavity; the other end of the mass block is provided with
And the second elastic device is fixedly arranged at the top of the stroke cavity.
2. The mass of claim 1, wherein:
the inclination angle of the shell is 40-50 degrees from the horizontal plane.
3. The mass of claim 1, wherein:
the top end of the shell is provided with an installation surface.
4. The mass of claim 1, wherein:
the inner wall of the stroke cavity is a smooth surface, a first groove is formed in the outer surface of the mass block, and the ball is mounted in the first groove.
5. The mass of claim 1, wherein:
the inner wall of the stroke cavity is provided with a second groove, the ball is arranged in the second groove, and the outer surface of the mass block is a smooth surface.
6. The mass of claim 1, wherein:
the shell is a cylinder.
7. The mass of claim 1, wherein:
the mass body is fixedly arranged in a trunk of a motor vehicle or at the tail part of a carriage of the motor vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461817.3U CN210555215U (en) | 2019-09-04 | 2019-09-04 | Mass body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461817.3U CN210555215U (en) | 2019-09-04 | 2019-09-04 | Mass body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210555215U true CN210555215U (en) | 2020-05-19 |
Family
ID=70629118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921461817.3U Active CN210555215U (en) | 2019-09-04 | 2019-09-04 | Mass body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210555215U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539806A (en) * | 2019-09-04 | 2019-12-06 | 上海标吉汽车科技有限公司 | Mass body and application thereof in motor vehicle industry |
-
2019
- 2019-09-04 CN CN201921461817.3U patent/CN210555215U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110539806A (en) * | 2019-09-04 | 2019-12-06 | 上海标吉汽车科技有限公司 | Mass body and application thereof in motor vehicle industry |
| CN110539806B (en) * | 2019-09-04 | 2024-03-22 | 上海标吉汽车科技有限公司 | Mass body and application thereof in motor vehicle industry |
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