[go: up one dir, main page]

CN107150647A - Compressible automobile collision preventing girder construction - Google Patents

Compressible automobile collision preventing girder construction Download PDF

Info

Publication number
CN107150647A
CN107150647A CN201710263042.8A CN201710263042A CN107150647A CN 107150647 A CN107150647 A CN 107150647A CN 201710263042 A CN201710263042 A CN 201710263042A CN 107150647 A CN107150647 A CN 107150647A
Authority
CN
China
Prior art keywords
piston
sleeve
pressure release
girder construction
blanking cover
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.)
Pending
Application number
CN201710263042.8A
Other languages
Chinese (zh)
Inventor
张友国
陈吓莲
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.)
Zhejiang Zero Run Technology Co Ltd
Original Assignee
Zhejiang Zero Run Technology Co Ltd
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 Zhejiang Zero Run Technology Co Ltd filed Critical Zhejiang Zero Run Technology Co Ltd
Priority to CN201710263042.8A priority Critical patent/CN107150647A/en
Publication of CN107150647A publication Critical patent/CN107150647A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24Arrangements for mounting bumpers on vehicles
    • B60R19/26Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/32Fluid shock absorbers, e.g. with coaxial coil springs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24Arrangements for mounting bumpers on vehicles
    • B60R19/26Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/34Arrangements for mounting bumpers on vehicles comprising yieldable mounting means destroyed upon impact, e.g. one-shot type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/24Arrangements for mounting bumpers on vehicles
    • B60R19/26Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
    • B60R19/36Combinations of yieldable mounting means of different types
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R19/00Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
    • B60R19/02Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
    • B60R19/18Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
    • B60R2019/1806Structural beams therefor, e.g. shock-absorbing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vibration Dampers (AREA)

Abstract

The present invention relates to automobile.A kind of Compressible automobile collision preventing girder construction, anti-collision beam and energy-absorption box including front longitudinal, in front of front longitudinal, the energy-absorption box include extend along the longitudinal direction sleeve, be slidingly sealed the piston being connected in sleeve, the piston and the sleeve surround main seal cavity, the main seal cavity is filled with fluid, the main seal cavity is provided with relief hole, and the relief hole can be connected with pressure release blanking cover with outwards extracting;Both the sleeve and piston, one links together with the anti-collision beam, another one links together with the front longitudinal.The purpose of the present invention be overcome the shortcomings of existing collision prevention girders body deform upon could energy-absorbing there is provided a kind of Compressible automobile collision preventing girder construction.

Description

Compressible automobile collision preventing girder construction
Technical field
The present invention relates to automobile, more particularly to a kind of Compressible automobile collision preventing girder construction.
Background technology
Automobile buffer beam is the important component of formed automobile collision safety.It is used as the main energy absorbing component in collision, anticollision Beam is located at the front portion or rear portion of white body, and it is connected with longeron, at the same the torsional rigidity of dialogue body assembly, bending stiffness, NVH performances have a major impact.
Existing automobile buffer beam is mostly steel construction or aluminium alloy structure, and is rigid.During collision, only collision prevention girders Body deforms upon ability energy-absorbing, is frequently necessary to change collision prevention girders after collision occurs.
The content of the invention
The purpose of the present invention be overcome the shortcomings of existing collision prevention girders body deform upon could energy-absorbing there is provided a kind of compressible Formula automobile collision preventing girder construction.
Above technical problem is solved by the following technical programs:A kind of Compressible automobile collision preventing girder construction, including Front longitudinal, anti-collision beam and energy-absorption box in front of front longitudinal, the energy-absorption box include sleeve, the cunning extended along the longitudinal direction Dynamic sealing is connected to the piston in sleeve, and the piston and the sleeve surround main seal cavity, and the main seal cavity is filled with stream Body, the main seal cavity is provided with relief hole, and the relief hole can be connected with pressure release blanking cover with outwards extracting;The sleeve and piston The two, one links together with the anti-collision beam, another one links together with the front longitudinal.Lived when being collided Plug moves towards sleeve inner and compresses the fluid in main seal cavity, plays a part of energy-absorbing.As piston is compressed into sleeve Pressure rise, fluid washes pressure release blanking cover open, and fluid flows out from relief hole and realizes energy-absorbing;If two above process Collision energy can be consumed, then the present invention can be restored and be recycled.If the above two is crossed process and can't consumed Falling collision energy, then sleeve or piston etc. can be deformed and absorb energy, now then become present invention produces irreversible Shape is damaged.By setting relief hole and the upper pressure release blanking cover of connection, it is possible to increase collision energy-absorbing effect, blocked up if being not provided with pressure release Lid, then collision energy-absorbing effect can weaken more.
Preferably, the rear end of the sleeve is welded with energy-absorption box shrouding, energy-absorption box shrouding is by connecting bolt with before described Longeron is linked together, and the front end of the piston is welded on anti-collision beam, and piston is provided with sealing ring, and the rear end of piston is worn Linked together in the front end of the sleeve and by the sealing ring with the sleeve seal.
Preferably, the piston bush is provided with the closure covered in the barrel forward end, the closure, sealing ring, work Plug and sleeve surround auxiliary annular seal space.When piston is collided and during internal pressure, the volume of auxiliary annular seal space can increase and cause under pressure Drop, so that the extrapolability that piston is subject to is larger, plays a part of improving impact resistant effect.
Preferably, the bonding area of the piston is more than the 80% of the aperture area of the sleeve.
Preferably, the piston is hollow-core construction, when collision energy is larger, piston can preferentially be deformed and inhale Can, play a part of preventing anti-collision beam from deforming to greatest extent.
Preferably, being welded as full weld between the front end of the piston and anti-collision beam.
Preferably, the outer surface of the pressure release blanking cover is provided with pressure limiting bulge loop and prevents from being inserted into sleeve in pressure release blanking cover Interior anti-avulsion bulge loop, is provided with cylinder seal section between pressure limiting bulge loop and anti-avulsion bulge loop, the pressure release blanking cover is close by the cylinder Envelope section be sealed connected together with the pressure limiting hole, the pressure limiting bulge loop towards seal section one end end face be the conical surface, the cone The drift angle in face is less than 180 °.Good reliability during connection.The frictional force that can be produced by changing the size of drift angle to cause is different, To change the power size for being rushed to open needs.
Preferably, the pressure release blanking cover includes the inner cylinder closed outer end and is set in the outer tube that inner cylinder is, it is described interior The inner of cylinder and the inner of outer tube link together and form deformation groove, and it is outer that the pressure limiting bulge loop and anti-avulsion bulge loop are all set The outer peripheral face of sleeve pipe.Reliability when convenience and guarantee when can improve assembling are connected.
Preferably, the piston is connected on the rear surface of the anti-collision beam.
Preferably, the rear surface of the anti-collision beam connects plane provided with piston, the piston connection plane is parallel The yz faces of vehicle coordinate system.Convenience during assembling can be improved.Yz faces refer to the upright plane along the width extension of vehicle body.
Preferably, the pressure release blanking cover, which is outer end, closes the cylindrical shape to form bottom wall, the inner peripheral surface of the pressure release blanking cover The blade rotated provided with the guiding pressure release blanking cover, the sleeve is also rotatably connected to be used for by described in what the bottom wall alignd The annular blade that bottom wall is cut from the pressure release blanking cover.It can be moved when pressure release blanking cover produces ejection towards annular blade, ring Shape blade, which cuts off the bottom wall of pressure release blanking cover, causes fluid to be abutted through outflow inside pressure release blanking cover and pressure release blanking cover with annular blade Together, pressure release blanking cover and annular blade is caused to produce rotation together and play suction in the presence of blade during fluid outflow Energy is the effect of consumed energy.
The present invention has advantages below:The energy collided by fluid as Absorption of Medium, increase participates in the key element of energy-absorbing; The size for absorbing energy is flexible, gradual increase, the energy size that can be produced to different collisions, has different replies to arrange Apply, add maintenanceability, while being also improved to the crash protection of pedestrian.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the embodiment of the present invention one;
Fig. 2 is Fig. 1 A-A schematic cross-sectional views;
Fig. 3 is the section view enlarged diagram of the junction of pressure release blanking cover and sleeve;
Fig. 4 is the partial schematic diagram of the embodiment of the present invention two.
In figure:Front longitudinal 1, anti-collision beam 2, piston connection plane 21, energy-absorption box 3, sleeve 31, relief hole 311, link 312nd, plane bearing 313, piston 32, sealing ring 321, energy-absorption box shrouding 33, closure 34, connecting bolt 35, pressure release blanking cover 36, The end face of inner cylinder 361, outer tube 362, bottom wall 363, deformation groove 364, pressure limiting bulge loop 365, pressure limiting bulge loop towards seal section one end 3651st, anti-avulsion bulge loop 366, cylinder seal section 367, blade 368, annular blade 37, adapter sleeve 371, main seal cavity S1, auxiliary sealing The inclination angle R of chamber S2, pressure limiting bulge loop towards the end face of seal section one end.
Embodiment
The present invention is illustrated with embodiment below in conjunction with accompanying drawing.
Embodiment one, referring to Fig. 1, a kind of Compressible automobile collision preventing girder construction, including front longitudinal 1, anti-collision beam 2 and suction Can box 3.
Front longitudinal 1 has two.Two front longitudinals 1 are distributed in left-right direction.
Anti-collision beam 2 extends in left-right direction.Anti-collision beam 2 is located at the front of front longitudinal 1.The left and right two of anti-collision beam 2 Piston connection plane 21 is designed with the rear surface at end.The yz faces of the parallel vehicle coordinate system of piston connection plane 21.Anti-collision beam 2 The advanced raised arc in centre.
Energy-absorption box 3 has two.Two energy-absorption boxes 3 are supported on the left and right ends of anti-collision beam 2 by anti-collision beam 2 with before two Longeron 1 links together.Specially energy-absorption box 3 includes sleeve 31, piston 32, energy-absorption box shrouding 33 and closure 34.Sleeve 31 Extend along the longitudinal direction.Weld and link together with energy-absorption box shrouding 33 in the rear end of sleeve 31.Energy-absorption box shrouding 33 passes through even Connecting bolt 35 is screwed in the screwed hole of front longitudinal 1 and is detachably connected with front longitudinal 1.The rear end of piston 32 is located in sleeve In 31 front end.The rear end of piston 32 is welded on the company that same anti-collision beam 2 is realized in piston connection plane 21 in the way of full weld Connect.Closure 34 is set on piston 32 and is located in the front end of sleeve 31.
Referring to Fig. 2, piston 32 is provided with sealing ring 321.Sealing ring 321 has twice.Piston 32 is slided by sealing ring 321 It is sealedly connected in sleeve 31.Piston 32, sleeve 31, sealing ring 321 and energy-absorption box shrouding 33 surround main seal cavity S1.Primary seal Chamber S1 is air filled with fluid, fluid.Main seal cavity S1 is provided with relief hole 311.Relief hole 311 can be connected with outwards extracting Pressure release blanking cover 36.Closure 34, sealing ring 321, piston 32 and sleeve 31 surround auxiliary annular seal space S2.Piston 32 is hollow-core construction. The bonding area of piston(I.e. axial projected area)For more than the 80% of the aperture area of sleeve.
Referring to Fig. 3, pressure release blanking cover 36 includes inner cylinder 361 and outer tube 362.Inner cylinder 361 is that only outer end is entered provided with bottom wall 363 Row closing.Outer tube 362 is set in outside inner cylinder 361.Inner cylinder 361 the inner and outer tube 362 the inner link together and Form deformation groove 364.The outer peripheral face of outer tube 362 is provided with pressure limiting bulge loop 365 and anti-avulsion bulge loop 366.Anti-avulsion bulge loop 366 is used to prevent Stopping leak pressure blanking cover 36 is pressed into sleeve 31 through relief hole 311.It is close provided with cylinder between pressure limiting bulge loop 365 and anti-avulsion bulge loop 366 Seal section 367.Pressure release blanking cover 36 is sealed connected together by cylinder seal section 367 with relief hole 311.The direction sealing of pressure limiting bulge loop Duan Yiduan end face 3651 is the conical surface, and the drift angle of the conical surface is less than 180 ° namely pressure limiting bulge loop and inclined towards the end face of seal section one end Angle R is less than 90 °.
Referring to Fig. 1 to Fig. 3, if subjected to collision energy ambassador energy-absorption box 3 deform, then endergonic process of the invention For:First stage, piston is mobile first into sleeve to cause pressure release blanking cover 36 to be rushed to open, and fluid sprays from relief hole, produces dynamic Can, air overcomes atmospheric pressure to do work.
The kinetic energy IA1+ air acting IA2 for collision energy IA=fluid that the stage absorbs.
Second stage, energy-absorption box 3 starts crumple deformation.The energy that the collision energy IB that the stage absorbs=piston deformation absorbs Measure the energy IB2 that IB1+ colleting deformations absorb.
Gross energy I=IA+IB that the present invention absorbs.
Assuming that the maximum kinetic energy of the fluid in main seal cavity is IA1max, air maximum amount of work is IA2max.So exist Collision energy I<During IA1max+IA2max, piston and sleeve are indeformable, and the present invention is without damage, it is only necessary to supplement energy-absorbing fluid i.e. Can, add maintenanceability.
Embodiment two, the difference of be the same as Example one is:
Referring to Fig. 4, the inner peripheral surface of inner cylinder 361 is provided with the leaf for guiding pressure release blanking cover 36 to rotate when fluid in inner cylinder 361 through flowing through Piece 368.Sleeve 31 is provided with link 312.Link 312 is rotatably connected to annular blade 37 by plane bearing 313.Endless knife Piece 37 aligns with bottom wall 363.The overall diameter of annular blade 37 is equal to the interior diameter of inner cylinder 261.Annular blade 37 is provided with same deformation The adapter sleeve 371 of groove 364.
Using process from, if pressure release blanking cover 36 sprays, annular blade 37 with bottom wall 363 contact before, adapter sleeve 371 Be initially inserted into deformation groove 364 and positioned and then bottom wall 363 is drawn close towards annular blade 37 and cut, fluid section from Inner cylinder 361 flows out and causes pressure release blanking cover 36 to produce rotation(If the clamping power between adapter sleeve 371 and deformation groove 364 is big Annular blade 37 can also be rotated together), play a part of the collision energy that increases consumption.

Claims (10)

1. a kind of Compressible automobile collision preventing girder construction, including front longitudinal and the anti-collision beam in front of front longitudinal, its feature It is, in addition to energy-absorption box, sleeve that the energy-absorption box includes extending along the longitudinal direction, is slidingly sealed the work being connected in sleeve Plug, the piston and the sleeve surround main seal cavity, and the main seal cavity is filled with fluid, and the main seal cavity is provided with pressure release Hole, the relief hole can be connected with pressure release blanking cover with outwards extracting;Both the sleeve and piston, one is with the anti-collision beam Link together, another one links together with the front longitudinal.
2. Compressible automobile collision preventing girder construction according to claim 1, it is characterised in that the rear end of the sleeve is welded with Energy-absorption box shrouding, energy-absorption box shrouding is linked together by connecting bolt with the front longitudinal, and the front end of the piston is welded on On anti-collision beam, piston is provided with sealing ring, and the rear end of piston is located in the front end of the sleeve and by the sealing ring Linked together with the sleeve seal.
3. Compressible automobile collision preventing girder construction according to claim 2, it is characterised in that the piston bush is provided with and covered The closure of the barrel forward end, the closure, sealing ring, piston and sleeve surround auxiliary annular seal space.
4. Compressible automobile collision preventing girder construction according to claim 3, it is characterised in that the bonding area of the piston For more than the 80% of the aperture area of the sleeve.
5. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the piston For hollow-core construction.
6. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the pressure release The anti-avulsion bulge loop that the outer surface of blanking cover is inserted into sleeve provided with pressure limiting bulge loop and preventing in pressure release blanking cover, pressure limiting bulge loop and only Cylinder seal section is provided between de- bulge loop, the pressure release blanking cover is sealedly connected on by the cylinder seal section with the pressure limiting hole Together, the pressure limiting bulge loop is the conical surface towards the end face of seal section one end, and the drift angle of the conical surface is less than 180 °.
7. Compressible automobile collision preventing girder construction according to claim 6, it is characterised in that the pressure release blanking cover includes outer Inner cylinder and be set in the outer tube that inner cylinder is that end seal is closed, the inner of the inner cylinder and the inner of outer tube link together and shape Into deformation groove, the outer peripheral face for the outer tube that the pressure limiting bulge loop and anti-avulsion bulge loop are all set.
8. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the piston It is connected on the rear surface of the anti-collision beam.
9. Compressible automobile collision preventing girder construction according to claim 8, it is characterised in that the rear table of the anti-collision beam Face connects plane provided with piston, and the piston connects the yz faces of the parallel vehicle coordinate system of plane.
10. the Compressible automobile collision preventing girder construction according to claim 1 or 2 or 3 or 4, it is characterised in that the pressure release Blanking cover is that the cylindrical shape to form bottom wall is closed in outer end, and the inner peripheral surface of the pressure release blanking cover is provided with the guiding pressure release blanking cover rotation Blade, the sleeve is also rotatably connected to is used for cut the bottom wall from the pressure release blanking cover with what the bottom wall alignd Annular blade.
CN201710263042.8A 2017-04-20 2017-04-20 Compressible automobile collision preventing girder construction Pending CN107150647A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710263042.8A CN107150647A (en) 2017-04-20 2017-04-20 Compressible automobile collision preventing girder construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710263042.8A CN107150647A (en) 2017-04-20 2017-04-20 Compressible automobile collision preventing girder construction

Publications (1)

Publication Number Publication Date
CN107150647A true CN107150647A (en) 2017-09-12

Family

ID=59794184

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710263042.8A Pending CN107150647A (en) 2017-04-20 2017-04-20 Compressible automobile collision preventing girder construction

Country Status (1)

Country Link
CN (1) CN107150647A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107972617A (en) * 2017-12-14 2018-05-01 南京理工大学 Performance adjustable automobile collision energy-absorbing device
CN112413864A (en) * 2020-11-25 2021-02-26 重庆瑞阳吉星科技有限公司 Double-temperature-zone air conditioner controller
CN112406471A (en) * 2020-11-25 2021-02-26 重庆瑞阳吉星科技有限公司 Electric air conditioner controller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2490023Y (en) * 2001-06-06 2002-05-08 徐州矿物集团有限公司机电设备分公司 Hydraulic anti-collision safety beam
CN201792821U (en) * 2010-09-25 2011-04-13 上海大学 Automobile anti-collision device with collision buffering function
KR101691110B1 (en) * 2015-07-09 2017-01-09 인천대학교 산학협력단 Front bumper system with divided impact absorption structure
CN106467076A (en) * 2016-09-09 2017-03-01 北京汽车股份有限公司 Vehicle
CN206826588U (en) * 2017-04-20 2018-01-02 浙江零跑科技有限公司 A kind of Compressible automobile collision preventing girder construction

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2490023Y (en) * 2001-06-06 2002-05-08 徐州矿物集团有限公司机电设备分公司 Hydraulic anti-collision safety beam
CN201792821U (en) * 2010-09-25 2011-04-13 上海大学 Automobile anti-collision device with collision buffering function
KR101691110B1 (en) * 2015-07-09 2017-01-09 인천대학교 산학협력단 Front bumper system with divided impact absorption structure
CN106467076A (en) * 2016-09-09 2017-03-01 北京汽车股份有限公司 Vehicle
CN206826588U (en) * 2017-04-20 2018-01-02 浙江零跑科技有限公司 A kind of Compressible automobile collision preventing girder construction

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
朱大滨等: "《压力容器安全基础》", 28 February 2014 *
黄晋华等: "《新入厂工人应知应会1000问》", 31 October 2004 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107972617A (en) * 2017-12-14 2018-05-01 南京理工大学 Performance adjustable automobile collision energy-absorbing device
CN107972617B (en) * 2017-12-14 2023-08-22 南京理工大学 Performance-adjustable automobile collision energy absorbing device
CN112413864A (en) * 2020-11-25 2021-02-26 重庆瑞阳吉星科技有限公司 Double-temperature-zone air conditioner controller
CN112406471A (en) * 2020-11-25 2021-02-26 重庆瑞阳吉星科技有限公司 Electric air conditioner controller
CN112406471B (en) * 2020-11-25 2022-02-15 重庆瑞阳吉星科技有限公司 Electric air conditioner controller

Similar Documents

Publication Publication Date Title
CN107150647A (en) Compressible automobile collision preventing girder construction
US12012130B2 (en) Reusable collision energy absorption device for rail vehicle
WO2017148145A1 (en) Collision energy absorption apparatus for rail vehicles
JP6398853B2 (en) Shock absorbing member
CN106347265B (en) A kind of extension energy-storage type automobile front beam
CN109591739A (en) Anticollision beam before a kind of automobile
JP5222965B2 (en) Shock absorber for railway vehicles
CN206826588U (en) A kind of Compressible automobile collision preventing girder construction
CN104842906B (en) Energy-absorbing buffer device, anti-collision structure and vehicle
CN109367561B (en) Cutting type energy-absorbing anti-creeper for railway vehicle
CN207773073U (en) Performance adjustable automobile collision energy-absorbing device
CN201703435U (en) Front longitudinal beam of automobile engine compartment
CN205273374U (en) Energy -absorbing device of vehicle anticollision gear of energy -absorbing subassembly and applied this subassembly
CN204161278U (en) A kind of front anti-collision beam structure of vehicle
JP6492842B2 (en) Shock absorber for vehicle
CN105398412B (en) A kind of hydraulic cushion bumper
CN107972614A (en) Include and suppress the secondary energy-absorbing model vehicle front collision energy-absorbing device of rod-type and its method
CN208897017U (en) Improve the energy-absorption box of the small offset collision stress of vehicle
CN209467190U (en) Upper tubing string with pressure forming stoping block and include its column assy
CN107972613B (en) A high-efficiency energy-absorbing device with graded collapse
CN206644769U (en) A kind of vehicle front anticollision gear
CN204222791U (en) A kind of automobile front beam
CN211809472U (en) Automobile bumper support
CN210852644U (en) Novel composite material lightweight anti-collision crossbeam
CN104828143B (en) collision energy-absorbing longitudinal beam and frame

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170912