CN202806649U - Ejection bumper for automobile - Google Patents
Ejection bumper for automobile Download PDFInfo
- Publication number
- CN202806649U CN202806649U CN 201220344516 CN201220344516U CN202806649U CN 202806649 U CN202806649 U CN 202806649U CN 201220344516 CN201220344516 CN 201220344516 CN 201220344516 U CN201220344516 U CN 201220344516U CN 202806649 U CN202806649 U CN 202806649U
- Authority
- CN
- China
- Prior art keywords
- bumper
- crossbeam
- guide rod
- piston
- ejection
- 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
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
An ejection bumper for an automobile comprises an automobile crossbar and a bumper arranged at the front end of the crossbar. The ejection bumper is characterized in that two ejection guide rods which are perpendicularly connected with the bumper are arranged on the inner side of the bumper, each ejection guide rod comprises an ejection rod, a guide rod sleeve and a compression spring, the front end of each ejection rod is connected with the bumper, each guide rod sleeve is sleeved with the rear end of the corresponding ejection rod, each compression spring is arranged in the corresponding guide rod sleeve and is abutted to the rear end of the corresponding ejection rod, the front end of each guide rod sleeve is connected with the crossbar by a bracket, the rear end of each guide rod sleeve is connected with the rear end of the crossbar by a support, and the front end of the crossbar is movably connected with the inner side of the bumper by a positioning block. Impact force born by an automobile head when the automobile head is collided is offset by elastic force of the compression springs arranged in the ejection guide rod sleeves, ejection force directly acts on the bumper, deformation force on the bumper and deformation force on the automobile head are reduced, the automobile head is prevented from being damaged, and persons on front seats are prevented from being injured.
Description
Technical field
The utility model relates to Federal bumper, particularly about automobile ejection type bumper/spoiler.
Background technology
Federal bumper is to absorb the foreign impacts power that relaxes, the safety device of protection vehicle body front and rear part, and Federal bumper all is to be fixed in automobile or crossbeam front end by tubulose or tabular steel plate in one's early years, the cushion characteristic of this bumper/spoiler is relatively poor.In recent years Federal bumper mostly is plastic bumper, it is comprised of outside plate, padded coaming and crossbeam, and wherein outside plate and padded coaming are made of plastic, and crossbeam becomes U-lag by cold-rolling steel-plate punch, outside plate and padded coaming are attached on the crossbeam, and the longeron of crossbeam and vehicle frame is connected and fixed.Hence one can see that; existing plastic bumper only depends on the outside plate and the padded coaming absorption mitigation foreign impacts power that are attached on the crossbeam limited; in case powerful collision impact occurs; headstock and front forechoir destroy serious; front forechoir personnel are injured seriously; existing safety strap and safety air bag only have certain protective role to chaufeur head and upper body, but the protection that headstock distortion and front forechoir personnel's the lower part of the body injures is seemed helpless.
Summary of the invention
The utility model exists absorption to relax the not enough problem of foreign impacts power for existing Federal bumper, designs the ejection type bumper/spoiler that the powerful absorption of a kind of energy relaxes foreign impacts power, reaches and improves the vehicle safety performance purpose.
Design plan of the present utility model is: a kind of automobile is with launching bumper/spoiler, it comprises automotive frame and is located at the safety lever of crossbeam front end, it is characterized in that establishing in the safety lever inboard two with the safety lever guide rod that launches connected vertically, describedly launch the piston ejector ram, ejector piston that guide rod comprises that front end is connected with safety lever, leader casing with described piston ejector ram, ejector piston rear end phase fit, with the Compress Spring that is located in the leader casing and connects with the piston ejector ram, ejector piston rear end, the front end of described leader casing is connected with crossbeam by carriage, the rear end of described leader casing is connected with the rear end of crossbeam by support, and the front end of crossbeam is by locating piece and the inboard flexible connection of safety lever.
Described leader casing front end is fixed on the inboard of crossbeam by semicircle annular bracket support.
Captiveed joint with the crossbeam rear inside by the right-angled triangle support in described leader casing rear end.
Establish axial groove on the described leader casing, establish slidably guide rod pin in the axial groove.
Between connecting, Compress Spring in the described leader casing and piston ejector ram, ejector piston establish spring shim.
Establish fanning strip in the middle of the described safety lever inboard, described fanning strip is flexibly connected by the locating dowel pin that interts from bottom to top by the locating piece clamping that is located at the crossbeam front end.
The beneficial effects of the utility model are, employing is located at the elastic force that launches Compress Spring in the leader casing and offsets headstock suffered impulsive force when being knocked, this ejection force directly acts on safety lever, reduces the deformation force of safety lever and headstock, makes headstock and front seats personnel avoid destroying and injury.
Description of drawings
Fig. 1 is the utility model integral structure birds-eye view.
Fig. 2 a is the A-A cutaway view of Fig. 1, and Fig. 2 b is the B-B section-drawing of Fig. 1.
Fig. 3 is the right elevation of Fig. 1.
Fig. 4 is bumper/spoiler assembling scheme drawing.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to shown in Figure 1, launch safety lever and comprise safety lever 1, crossbeam 2, safety lever 1 and crossbeam 2 can select designing material to make according to different vehicle.The guide rod that launches of two perpendicular connections is established in safety lever 1 inboard, describedly launch the piston ejector ram, ejector piston 5 that guide rod comprises that front end is connected with safety lever 1, with the leader casing 3 of piston ejector ram, ejector piston 5 rear end phase fits, and the Compress Spring 4 that is located in the leader casing 3 and connects with piston ejector ram, ejector piston 5 rear ends.Leader casing 3 is welded to form by an end of one thick one thin two steel pipes, and Compress Spring 4 is enclosed within the extra heavy pipe, and an end and the tubule of Compress Spring 4 are kept out mutually, and the other end and piston ejector ram, ejector piston 5 connect.The front end of leader casing 3 is supported and fixed on the inboard of crossbeam 2 by carriage 12, and carriage 12 is the semicircular ring of upper and lower mutual fastening and inboard fixing with crossbeam 2.Captiveed joint with crossbeam 2 rear inside by support 10 in the rear end of leader casing 3, described support 10 is the right-angled triangle support, and a square edge 11 of right-angled triangle fixes with leader casing 3 rear ends, and another square edge 13 fixes with crossbeam 2 rear inside.The front end sleeve of piston ejector ram, ejector piston 5 is connected in the annulus seat 15 that fixes with safety lever 1 inboard, and the front end of crossbeam 2 is flexibly connected by locating piece 8 and safety lever 1.
Referring to Fig. 2 a and shown in Figure 3, the leading portion of leader casing 3 is established an axial groove 15, establishes a guide rod pin 7 slidably in this axial groove 15, and guide rod pin 7 is fixed on spring shim 6 in the leader casing 3, is used for preventing that the elastic force of piston ejector ram, ejector piston 5 compressed springs 4 from ejecting leader casing 3.
Shown in Fig. 2 b, safety lever 1 is inboard middle, it is the fanning strip 14 that the welding of position, axis parallels with safety lever 1, fanning strip 14 is by being located at the middle locating piece clamping about in the of 8 of crossbeam 2 front ends, be flexibly connected by the locating dowel pin 9 that interts from bottom to top, when being installed, locating dowel pin 9 to overcome the elastic force of Compress Spring 4 parts, with fanning strip 14 and locating piece 8 tensions, and the head end of locating dowel pin 9 inserted down, so that locating dowel pin can come off by gravity when being subjected to external force collision, fanning strip 14 breaks away from locating piece 8, and Compress Spring 4 discharges elastic force payment impact.
Referring to shown in Figure 4, when headstock is impacted to overtake, safety lever 1 inboard middle locating piece 8 and the guide rods that launch that are socketed in the annulus seat 15 move simultaneously, locating piece 8 is impacted, locating dowel pin 9 comes off, Compress Spring 4 discharges compressed elastic force launches forward piston ejector ram, ejector piston 5, this ejection force is offset the part impact, this situation is the ejection force situation that is less than or equal to Compress Spring 4 in impact, be cancelled owing to impact this moment, safety lever 1 and the front body power that is impacted is minimum, substantially can destroyedly not be out of shape, and the front truck seat occupant also is safe.If impact is during greater than the ejection force of Compress Spring 4, except launching forward, piston ejector ram, ejector piston offsets a part of impact, also have remaining impact by piston ejector ram, ejector piston 5, Compress Spring 4 and launch guide rod and be delivered to support 10, transferred to the rear end of crossbeam 2 by support 10, change the pulling force that car is drawn back into, that is to say by launching guide rod original automobile is transferred to by advancing to retreat, can avoid collision deformation and personnel injury.
Figure 4 shows that a kind of enforcement scheme drawing, for the vehicle of different purposes, should calculate and design according to the load-carrying size that needing only basic structure identical all is the utility model institute protection domain.
Claims (6)
1. automobile is with launching bumper/spoiler, it comprises automotive frame (2) and is located at the safety lever (1) of crossbeam front end, it is characterized in that establishing in safety lever (1) inboard two with the safety lever guide rod that launches connected vertically, describedly launch the piston ejector ram, ejector piston (5) that guide rod comprises that front end is connected with safety lever (1), leader casing (3) with described piston ejector ram, ejector piston (5) rear end phase fit, with the Compress Spring (4) that is located in the leader casing (3) and connects with piston ejector ram, ejector piston (5) rear end, the front end of described leader casing (3) is connected with crossbeam (2) by carriage (12), the rear end of described leader casing (3) is connected by the rear end of support (10) with crossbeam (2), and the front end of crossbeam is by locating piece and the inboard flexible connection of safety lever.
2. automobile according to claim 1 is characterized in that with launching bumper/spoiler described leader casing front end is supported and fixed on the inboard of crossbeam (2) by semicircle loop bracket (12).
3. automobile according to claim 1 is with launching bumper/spoiler, it is characterized in that described leader casing rear end captiveed joint with crossbeam (2) rear inside by right-angled triangle support (10).
4. automobile according to claim 1 is characterized in that establishing axial groove (15) on the described leader casing (3) with launching bumper/spoiler, establishes slidably guide rod pin (7) in the axial groove (15).
5. automobile according to claim 4 is with launching bumper/spoiler, it is characterized in that slidably guide rod pin (7) in the described axial groove (15) part that is connected with piston ejector ram, ejector piston (5) establishes spring shim (6).
6. automobile according to claim 1 is with launching bumper/spoiler, it is characterized in that the inboard middle fanning strip (14) of establishing of described safety lever (1), described fanning strip (14) is flexibly connected by the locating dowel pin (9) that interts from bottom to top by locating piece (8) clamping that is located at crossbeam (2) front end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344516 CN202806649U (en) | 2012-07-07 | 2012-07-07 | Ejection bumper for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344516 CN202806649U (en) | 2012-07-07 | 2012-07-07 | Ejection bumper for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202806649U true CN202806649U (en) | 2013-03-20 |
Family
ID=47865577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220344516 Expired - Fee Related CN202806649U (en) | 2012-07-07 | 2012-07-07 | Ejection bumper for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202806649U (en) |
-
2012
- 2012-07-07 CN CN 201220344516 patent/CN202806649U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150707 |
|
| EXPY | Termination of patent right or utility model |