CN201792821U - Automobile anti-collision device with collision buffering function - Google Patents

Automobile anti-collision device with collision buffering function Download PDF

Info

Publication number
CN201792821U
CN201792821U CN201020542678XU CN201020542678U CN201792821U CN 201792821 U CN201792821 U CN 201792821U CN 201020542678X U CN201020542678X U CN 201020542678XU CN 201020542678 U CN201020542678 U CN 201020542678U CN 201792821 U CN201792821 U CN 201792821U
Authority
CN
China
Prior art keywords
diaphragm
overflow
hole
cylinder
collision
Prior art date
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.)
Expired - Fee Related
Application number
CN201020542678XU
Other languages
Chinese (zh)
Inventor
黄宇亮
陈�胜
张婷婷
施群
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN201020542678XU priority Critical patent/CN201792821U/en
Application granted granted Critical
Publication of CN201792821U publication Critical patent/CN201792821U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model relates to an automobile anti-collision device with a collision buffering function, comprising a bumper, a frame, a piston, a cylinder body, a bolt, a working medium in the cylinder body, an overflow through hole, a small pressure release hole and membranes. The bumper is connected with the piston, the piston can push the liquid medium in the cylinder body to work, the overflow through hole is arranged on the wall of the cylinder body, and the membranes with different thicknesses are sequentially arranged in the overflow through hole. The device can be arranged on the front end, tail end or side surface of a vehicle; when the vehicle is collided, the device turns rigid collision into elastic collision; and simultaneously, the small pressure release hole releases energy so as to achieve the purpose of protecting people in the vehicle and the vehicle body.

Description

Anti-collision device for automobile with damp impacts effect
Technical field
The utility model relates to mobile anticollision device technical field, particularly a kind of anti-collision device for automobile with damp impacts effect.
Background technology
Have only some simple crashproof measures at the automobile collision preventing technical elements at present, for example bumper/spoiler is housed at automotive front, the safety air bag that also promising protection chaufeur life security is used etc., but its crashproof effect is all undesirable, and the accident of car crash has generation more.In addition, the automobile collision preventing technical elements adopts mechanics sensor and mechano-electronic cooperating to realize automobile brake system is controlled in addition, though can before collision, the anticipation collision case take place, in time take the emergency braking measure, but this system can not reduce personal injury and the loss that collision causes under the situation that collision has taken place.The anti-collision device for automobile of Ying Yonging is mostly combined closely with automobile body now, is not easy to change, and bumps afterwards because of the damp impacts scarce capacity, and it is too fast to release energy, and also can cause bigger infringement.
The utility model content
The purpose of this utility model provides a kind of anti-collision device for automobile with damp impacts effect, and this device uses mechanical transmission method combining to prolong collision time, slowly discharge collision energy, makes occupant and automobile itself all obtain safety assurance.
For achieving the above object, the technical scheme that the utility model is taked is:
A kind of anti-collision device for automobile with damp impacts effect comprises bumper/spoiler vehicle frame, piston, cylinder body, bolt, the working medium that is positioned at cylinder body, overflow through hole, pressure release aperture, diaphragm.Have an end of a piston to be connected with bumper clamp, its other end inserts in the cylinder body, and can be in cylinder body inboard wall of cylinder block parallel sliding relatively.Cylinder body is screwed by bolt and vehicle frame and is fastenedly connected, and cylinder body is detachable the replacing.Cylinder side wall had an overflow through hole downwards near its bottom position place when the cylinder body level was installed, and the diameter of overflow through hole is less than the diameter of cylinder body.Corresponding overflow lead to the hole site place is provided with overflow ducts on the vehicle frame.Have the multi-disc diaphragm to be positioned at the overflow through hole, and be at least two, wherein first diaphragm inboard is near the inside of cylinder body, and first diaphragm is with overflow through hole complete closed.The diaphragm of other outside first diaphragm is parallel with first diaphragm, and the adjacent spaces setting successively of each diaphragm.The inwall of the overflow through hole between second diaphragm that first diaphragm is adjacent is provided with the pressure release aperture, and the space that forms between first diaphragm and second diaphragm is connected with ambient atmosphere; The pressure release aperture that the inwall of the overflow through hole between second and third diaphragm is provided with makes the space that forms between this two diaphragm be connected with ambient atmosphere; The space that forms between other adjacent diaphragms and identical with the set-up mode between second and third diaphragm with the pressure release aperture of its connection.Working medium in the cylinder body is incompressible liquid.
The thickness of diaphragm increases from top to bottom successively along the overflow through hole, and each diaphragm spacing also increases from top to bottom successively along the overflow through hole.
The technical solution of the utility model is the application of water bumper, and water bumper is widely used on the equipment such as lifting, transportation, railway, vehicle.The radical function of water bumper is to prevent rigid collision in operational process, and the safety buffer device of avoiding causing equipment unit to damage, water bumper are to utilize metering hole to the damping effect of fluid and design-calculated.Be characterized in: compact conformation, absorb that energy is big, effect steadily.
The present invention has following substantive distinguishing features and advantage compared with prior art:
When automobile bumped with certain speed, bumper/spoiler promoted the working medium in the Piston Compression cylinder body, and cylinder interior pressure is raise, when being elevated to the maximum pressure value that first diaphragm can bear, rupture of diaphragm, working medium is flowed out by the pressure release aperture, the energy of the collision part that leaks; Because the energy that produces during auto against is very big; the energy that produces when particularly the at high speed traveling automobile is collided is bigger; the energy that releases from a pressure release aperture not enough like this; piston moves under huge energy promotes; when pressure is elevated to the maximum pressure value that second diaphragm can bear; this rupture of diaphragm; working medium flows out from the pressure release aperture again; the energy part that leaks again of collision; this process continues gets off, and collision time is prolonged, and rigid collision becomes bumping collision; most of energy is by the pressure release aperture; the pressure release macropore is discharged the automobile outside, reaches the effect of protection automobile body and occupant's safety.
Description of drawings
Fig. 1 is the anti-collision device for automobile structural representation with damp impacts effect.
Fig. 2 is the local structure for amplifying scheme drawing of the overflow through hole I of Fig. 1
The specific embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
As shown in Figure 1 and Figure 2, the anti-collision device for automobile that originally has a damp impacts effect comprises piston 1, bolt 2, cylinder body 3, bumper/spoiler 4, vehicle frame 5, the working medium 6 that is positioned at cylinder body 3, overflow through hole 7, pressure release aperture 8, diaphragm 9.One end of piston 1 is captiveed joint with bumper/spoiler 4, its other end inserts in the cylinder body 3, and can be in cylinder body 3 cylinder body 3 inwall parallel sliding relatively, when the working medium 6 in the piston 1 extruding cylinder body 3, the pressure of 1 pair of working medium 6 of piston can size unchangeably by liquid to all directions transmission, comprise to diaphragm 9 positions and transmitting.Cylinder body 3 is screwed by bolt 2 and vehicle frame 5 and is fastenedly connected, and can realize dismounting and replacing.Cylinder body 3 sidewalls had overflow through hole 7 downwards near its bottom position place when cylinder body 3 levels were installed, and the diameter of overflow through hole 7 is less than the diameter of cylinder body 3.If the cross-sectional area of piston 1 is S 1, the pressure that is added on the piston 1 is F 1, then the pressure of 1 pair of working medium 6 of piston is P=F I/ S I, since liquid pressure can size unchangeably by liquid to all directions transmission, so, the inevitable P that also equal of pressure that diaphragm 9 is suffered.If the cross-sectional area of diaphragm 9 is S 2, the pressure F that pressure P is produced on diaphragm 9 2=P * S 2=F 1* (S 2/ S I), the area of diaphragm 9 is far smaller than piston 1 cross-sectional area, so the pressure that is transmitted on the diaphragm 9 is F 1Will be significantly smaller than the pressure that is added on the piston 1 is F 1,, just can realize that the buffer action of violent bump takes place vehicle anti-collision device for automobile of the present utility model according to this principle.Corresponding overflow through hole 7 positions are provided with overflow ducts on the vehicle frame 5, can break to release energy with diaphragm 9 effectively to cooperate, and camp step by step, and coordinate buffering, optimize the usefulness of the technical program.Diaphragm 9 is positioned at overflow through hole 7, and is at least 2, and wherein first diaphragm inboard is near the inside of cylinder body 3, and first diaphragm is with overflow through hole 7 complete closed; The diaphragm of other outside first diaphragm is parallel with first diaphragm, and the adjacent spaces setting successively of each diaphragm; The inwall of the overflow through hole 7 between second diaphragm that first diaphragm is adjacent is provided with pressure release aperture 8, and the space that forms between first diaphragm and second diaphragm is connected with ambient atmosphere; The pressure release aperture that the inwall of the overflow through hole between second and third diaphragm is provided with makes the space that forms between this two diaphragm be connected with ambient atmosphere; The space that forms between other adjacent diaphragms and identical with the set-up mode between second and third diaphragm with the pressure release aperture of its connection.Working medium 6 is incompressible liquid.
Because the wall thickness of cylinder body 3 is limited, be not easy to install a lot of diaphragms, and also need to be provided with more pressure release aperture 8 when more diaphragm is installed, this will cause the strength degradation of overflow through hole 7 sidewalls, can not reach the technique effect of the technical solution of the utility model; From the buffering effect of anti-collision device for automobile with damp impacts effect, the quantity of diaphragm very little, the exergonic time can not effectively be prolonged, and does not have the effect of effective damp impacts effect again.The quantity of diaphragm 9 is preferably 3~8, and the thickness of each diaphragm 9 increases from top to bottom successively along overflow through hole 7, and each diaphragm spacing also increases from top to bottom successively along overflow through hole 7.Diaphragm is preferably 4, the optimum thickness of 4 diaphragms be along overflow through hole 7 from top to bottom successively 3,5,7,9mm, can adapt to the requirement of manufacturing process so better, can reach better technical effect simultaneously.
The anti-collision device for automobile that the utility model provides also can be placed on front end, tail end or the side of automobile, and according to stressed size the diaphragm of different numbers and different-thickness is installed, and satisfies the buffering needs of automobile from the collision energy of different collision directions.

Claims (5)

1. anti-collision device for automobile with damp impacts effect, comprise bumper/spoiler (4) and vehicle frame (5), it is characterized in that: have an end of a piston (1) to captive joint with described bumper/spoiler (4), its other end inserts in cylinder body (3), and can be cylinder body (3) in relative cylinder body (3) inwall parallel sliding; Described cylinder body (3) is screwed by bolt (2) and vehicle frame (5) and is fastenedly connected; Be provided with working medium (6) in the cylinder body (3); Cylinder body (3) sidewall had an overflow through hole (7) downwards near its bottom position place when described cylinder body (3) level was installed, and the diameter of described overflow through hole (7) is less than the diameter of cylinder body (3); Described vehicle frame (5) is gone up corresponding overflow through hole (7) position and is provided with overflow ducts; Have multi-disc diaphragm (9) to be positioned at overflow through hole (7), and be at least 2, wherein first diaphragm inboard is near the inside of cylinder body (3), and first diaphragm is with overflow through hole (7) complete closed; The diaphragm of other outside first diaphragm is parallel with first diaphragm, and the adjacent spaces setting successively of each diaphragm; The inwall of the overflow through hole (7) between second diaphragm that first diaphragm is adjacent is provided with pressure release aperture (8), and described pressure release aperture (8) makes the space that forms between first diaphragm and second diaphragm be connected with ambient atmosphere.
2. the anti-collision device for automobile with damp impacts effect according to claim 1, it is characterized in that, the quantity of described diaphragm (9) is 3~8, and the pressure release aperture that the inwall of the overflow through hole between described second and third diaphragm is provided with makes the space that forms between this two diaphragm be connected with ambient atmosphere; The space that forms between other adjacent diaphragms and identical with the set-up mode between second and third diaphragm with the pressure release aperture of its connection.
3. the anti-collision device for automobile with damp impacts effect according to claim 1 and 2, it is characterized in that, the thickness of each described diaphragm (9) increases from top to bottom successively along overflow through hole (7), and each diaphragm spacing also increases from top to bottom successively along overflow through hole (7).
4. the anti-collision device for automobile with damp impacts effect according to claim 3 is characterized in that, described diaphragm is 4, the thickness of 4 diaphragms along overflow through hole (7) be followed successively by 3,5,7 from top to bottom, 9mm.
5. the anti-collision device for automobile with damp impacts effect according to claim 1 and 2 is characterized in that, described working medium (6) is incompressible liquid.
CN201020542678XU 2010-09-25 2010-09-25 Automobile anti-collision device with collision buffering function Expired - Fee Related CN201792821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020542678XU CN201792821U (en) 2010-09-25 2010-09-25 Automobile anti-collision device with collision buffering function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020542678XU CN201792821U (en) 2010-09-25 2010-09-25 Automobile anti-collision device with collision buffering function

Publications (1)

Publication Number Publication Date
CN201792821U true CN201792821U (en) 2011-04-13

Family

ID=43847743

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201020542678XU Expired - Fee Related CN201792821U (en) 2010-09-25 2010-09-25 Automobile anti-collision device with collision buffering function

Country Status (1)

Country Link
CN (1) CN201792821U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104554101A (en) * 2015-01-28 2015-04-29 王家全 Automotive progressive pressurization bumper
CN106427848A (en) * 2016-11-22 2017-02-22 郑州经度知识产权代理服务有限公司 Epitaxial energy-storing device for automobile bumper
CN106467076A (en) * 2016-09-09 2017-03-01 北京汽车股份有限公司 Vehicle
CN107150647A (en) * 2017-04-20 2017-09-12 浙江零跑科技有限公司 Compressible automobile collision preventing girder construction
CN107253472A (en) * 2017-05-23 2017-10-17 周毅 New-energy electric vehicle
CN108688599A (en) * 2017-04-12 2018-10-23 福特全球技术公司 Energy absorption kneepad

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104554101A (en) * 2015-01-28 2015-04-29 王家全 Automotive progressive pressurization bumper
CN106467076A (en) * 2016-09-09 2017-03-01 北京汽车股份有限公司 Vehicle
CN106427848A (en) * 2016-11-22 2017-02-22 郑州经度知识产权代理服务有限公司 Epitaxial energy-storing device for automobile bumper
CN108688599A (en) * 2017-04-12 2018-10-23 福特全球技术公司 Energy absorption kneepad
CN107150647A (en) * 2017-04-20 2017-09-12 浙江零跑科技有限公司 Compressible automobile collision preventing girder construction
CN107253472A (en) * 2017-05-23 2017-10-17 周毅 New-energy electric vehicle
CN107253472B (en) * 2017-05-23 2019-05-03 周毅 New-energy electric vehicle

Similar Documents

Publication Publication Date Title
CN201792821U (en) Automobile anti-collision device with collision buffering function
CN202896488U (en) Automobile collision damping device
CN201544901U (en) Pneumatic collision energy absorbing device of automobile
CN102085839A (en) Car crash pneumatic energy-absorbing device
CN103010132B (en) A kind of buffer device for collision of automobile
CN102501875B (en) Anti-collision device for step type multistep air compression energy absorption locomotive
CN101739844B (en) Automobile safety collision buffer device
CN104999977A (en) Five-level gradual-type gas-liquid-solid coupling collision energy absorption device and application
CN102602351A (en) Automobile bumper with multilevel buffering device
CN102145674A (en) Automobile collision energy-absorbing buffer device
CN202063098U (en) Energy-absorbing buffering device in collision of vehicle
CN204821430U (en) Solid coupling collision energy -absorbing device of gradual gas -liquid of pyatyi
CN110641405A (en) Air pressure buffering automobile collision energy absorption device
CN202987180U (en) Integrated type buffering and crushing device
CN103407459B (en) A kind of End collision energy absorption device of railway vehicle
CN203381639U (en) Rolling stock end portion collision energy absorbing device
CN100358753C (en) Shock absorber
CN206243109U (en) A kind of new automobile Hydraulic bumper
CN201309460Y (en) Bumper for energy conversion vehicle
CN103010250B (en) Integrated form buffering crushing device
CN1321022C (en) Force absorbing energy storage anticolliding safety device
CN203793266U (en) Collision buffer of automobile
CN107499265B (en) Automobile impact buffering system and method
CN100406306C (en) Force absorbing energy storage anti-colliding safety device
CN208498432U (en) A kind of automobile collision energy absorber

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110413

Termination date: 20120925

C17 Cessation of patent right