CN201300798Y - Double-bar and double-buffer bumper for automobile - Google Patents
Double-bar and double-buffer bumper for automobile Download PDFInfo
- Publication number
- CN201300798Y CN201300798Y CNU2008201460197U CN200820146019U CN201300798Y CN 201300798 Y CN201300798 Y CN 201300798Y CN U2008201460197 U CNU2008201460197 U CN U2008201460197U CN 200820146019 U CN200820146019 U CN 200820146019U CN 201300798 Y CN201300798 Y CN 201300798Y
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- Prior art keywords
- thick stick
- spring
- automobile
- spoilers
- bumper
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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.)
- Expired - Fee Related
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Abstract
A double-bar and double-buffer bumper for an automobile relates to a bumper for an automobile, and the utility model particularly provides the double-bar and double-buffer bumper for the automobile, which is retractable and has strong anti-collision capability. The double-bar and double-buffer bumper is provided with a front bar, a rear bar and an expansion damping device; the front bar is connected with the rear bar, and the expansion damping device is arranged between the front bar and the rear bar; the expansion damping device is provided with a draw cord, a pull rod, two sets of driving mechanisms and at least two spring shock absorbers, each driving mechanism is provided with a motor, a transmission gear set, a bracket, a cord winding shaft, a driving gear and a running toothed rack, the motor and the bracket are arranged on the rear bar, the motor is connected with the cord winding shaft through a transmission gear set, the bracket is arranged on the front bar, the cord winding shaft is arranged on the bracket, and connected with the driving gear, the driving gear is meshed with the running toothed rack, the running toothed rack is arranged on the front bar, two ends of the draw cord are wound on the cord winding shaft, the draw cord is connected with the pull rod, the spring shock absorber is provided with a spring, a spring bracket and a limit component, the pull rod is connected at the front end of the spring, the spring bracket is connected at the back end of the spring, and arranged on the rear bar, and the limit component is arranged on the side of the spring bracket.
Description
Technical field
The utility model relates to a kind of automotive bumper, especially relates to a kind of automobile two slow bumper/spoilers of parallel bars.
Background technology
At present, automobile pollution increases fast, because the influence of all factors such as road traffic condition, navigating mate quality, traffic accident often takes place, and collision case ratio such as wherein knock into the back is very big.The safety precaution effect of bumper/spoiler in collision case is very important.
The general automobiles bumper/spoiler generally is the horizontal bar structure, adopts channel-section steel or plastic material to make, and has shortcomings such as fragile, that anti-collision capacity is relatively poor.The spring damper that now some Federal bumper customized designs arranged also, improving the safety precaution ability, but each spring damper is to adopt single spring to constitute, and can only play buffer action one time, buffering effect is undesirable.
Notification number provides a kind of Federal bumper for the utility model patent of CN2471638.Comprise safety lever guard rail and support, be provided with dash plate in safety lever guard rail the place ahead.Be provided with spring below the front apron and between the support.This utility model and existing nerf bar relatively have following characteristics: when collision happens, can absorb impact better more, the intensity height makes driver and crew obtain better protection.
Notification number provides a kind of automobile rear bumper arm for the utility model patent of CN2860948.Form by strut bar, pipe link and safety screen.Pipe link vertically is connected with safety screen, and strut bar and pipe link are arranged on the car chassis crane span structure, safety screen parallel with automobile tail and overhead the height 250～600mm.
Notification number provides a kind of automobile elasticity safety lever for the utility model patent of CN2604353, it by before, during and after three safety levers and at least 2 expansion links and many group springs constitute, be equipped with the reinforcement steel pipe on front bumper, middle safety lever and the rear bumper arm, middle safety lever and rear bumper arm are fixed on the chassis ridgepole of automobile, in, back two safety levers open 2～4 holes, 2～4 expansion links are fixed on the front bumper, every expansion link put on respectively two groups of above springs pass in, the hole of being opened on back two safety levers, by nut expansion link is fixed.The front end of every expansion link and middle part are equipped with the reinforcement spring cushion block, and the outside of every expansion link and spring all is with two inside and outside bores overcoat telescopic pipe of fit mutually.
Summary of the invention
The purpose of this utility model provides a kind of automobile two slow bumper/spoilers of parallel bars scalable, that anti-collision capacity is strong.
The utility model is provided with Qian Gang, back thick stick and flexible shock absorption device; Qian Gang flexibly connects with the back thick stick, and flexible shock absorption device is located between Qian Gang and the back thick stick;
Flexible shock absorption device is provided with stay cord, pull bar, 2 cover driver train and at least 2 spring dampers, every cover driver train is provided with motor, driving gear set, support, the wiring axle, driven wheel and walking rack, motor and support are fixedly arranged on respectively on the thick stick of back, motor output shaft is connected with driving gear set, driving gear set is connected with the wiring axle, prop up and be set up on the preceding thick stick, wiring is located on the support, the wiring axle is connected with driven wheel, driven wheel and walking rack engagement, on the thick stick, the stay cord two ends were respectively on the wiring axle of 2 cover driver trains before walking rack was installed in, stay cord is connected with pull bar, spring damper is provided with spring, spring bracket and locating part, the spring front end is connected with pull bar, and spring rear end is connected with spring bracket, spring bracket is fixedly arranged on the thick stick of back, and locating part is located at the side of spring bracket.
Preferably be provided with 2 cover guide piecees between Qian Gang and back thick stick, every cover guide piece is provided with guide rail and sliding part, and guide rail is located on the thick stick of back, and on the thick stick, sliding part cooperated with guide rail is movable before sliding part was located at.
Described guide rail can be the pulley-type guide rail, and the pulley-type guide rail preferably is provided with support plate and at least 2 group pulleys, and every group of pulley is provided with at least 2 fixed pulleys, and each fixed pulley is parallel to be located on the support plate, and support plate and Hou Gang are connected; Described sliding part is preferably 2 slide-bars, and 2 slide-bars and Qian Gang are connected, 2 slide-bars respectively with each fixed pulley surface bearing fits of 2 groups of pulleys.
The cross-sectional plane of preceding thick stick is preferably the U font, and the two ends of preceding thick stick are bending end, and the sliding part of guide piece is located in the bending end groove, and the Hou Gang bottom surface is provided with ripple, can improve buffer capacity, and back thick stick is connected in the front end or the rear end of vehicle chassis girder steel.
Driving gear set preferably is made of 2 vertical finishing bevel gear cuter engagements of axial line.
Motor is preferably synchronous dynamo, is convenient to speed governing.
The set spring of spring damper preferably is made of the spring of 2 screw cylindricals, and 2 spring diameters are different with length, and the less spring of diameter is positioned at the bigger spring of diameter, and the length of the spring that diameter is less is shorter.Be respectively equipped with front end permanent seat and rear end permanent seat in the front-end and back-end of 2 springs, the front end of 2 springs is connected with pull bar by the front end permanent seat, and the rear end of 2 springs is connected with spring bracket by the rear end permanent seat.
Preferably be provided with flexible hold-down arm on the thick stick of back, flexible hold-down arm rear end is connected in back thick stick lower surface, and flexible hold-down arm front end is supported on the lower surface of preceding thick stick.
Preferably be provided with the auxilliary platform that rises on band inclined-plane in the side of spring bracket, the auxilliary platform that rises is connected on the thick stick of back.The auxilliary platform that rises is used to support to arrive in and is in the curved spring after of compression, and at preceding thick stick when protracting, rise the platform assist spring and lift but assist.
Principle of work of the present utility model is as follows: when meeting the abnormal condition emergency brake, be located at the clockwise work of motor of the inductive switch startup 2 cover telescopic drive mechanisms in the control circuit, the driven by motor driving gear set, driving gear set drives the wiring axle, the wiring axle drives driven wheel, driven wheel drives walking rack, thick stick protracted before walking rack drove, with this simultaneously, the wiring axle drives stay cord synchronously, stay cord drives pull bar to a side shifting, thick stick inside face before the spring of pull bar drive spring damper protracts and holds out against, locating part can make spring be in the state that vertically protracts, and forms a bigger buffer distance between meeting and the back thick stick after preceding thick stick protracts, and can improve anti-collision capacity greatly.When normal vehicle operation, inductive switch in the control circuit is pressed again, the motor counter-rotating work of 2 cover telescopic drive mechanisms, thick stick retraction before walking rack can drive, stay cord drives pull bar and moves to opposite side, pull bar drives the spring retraction of spring damper and bends and leans against auxilliary the liter on the platform, and spring damper etc. are in Qian Gang and are connected in the formed normal little space with the back thick stick is compact, can not influence vehicle appearance.
This shows, compared with the prior art, the utlity model has following outstanding advantage and effect:, therefore have the double insurance effect owing to adopted the double-rod structure of Qian Gang and back thick stick.Because preceding thick stick is scalable, has increased buffer distance, safety improves greatly.Because each spring damper is provided with 2 springs, and form the damping of spring secondary, so spring damper has the double buffering function, thereby make anti-collision capacity of the present utility model strong, safe.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the structural representation of back thick stick, pulley-type guide rail and the flexible hold-down arm of the utility model embodiment.
The specific embodiment
Referring to Fig. 1 and 2, the utility model is provided with preceding thick stick 1, back thick stick 2, flexible shock absorption device and 2 cover guide piecees.The cross-sectional plane of preceding thick stick 1 is the U font, the two ends bending of preceding thick stick 1, and bending end flexibly connects with the two ends of back thick stick 2, and flexible shock absorption device is located between preceding thick stick 1 and the back thick stick 2.
Flexible shock absorption device is provided with stay cord 10, pull bar 9,2 cover telescopic drive mechanism and 4 spring dampers.Every cover driver train is provided with motor 19 (synchronous dynamo), driving gear set (being made of 2 vertical finishing bevel gear cuter 13 engagements of axial line), support 11, wiring axle 12, driven wheel 14 and walking rack 15.Motor 19 is fixedly arranged on the thick stick 2 of back, support 11 is fixedly arranged on the thick stick 2 of back, wiring axle 12 is located on the support 11, motor 19 output shafts are connected with 1 finishing bevel gear cuter 13 of driving gear set, and driving gear set 1 finishing bevel gear cuter 13 in addition is connected with wiring axle 12, and wiring axle 12 is connected with driven wheel 14, driven wheel 14 and walking rack 15 engagements, on the thick stick 1, on 2 wiring axles 12, stay cord 10 was connected with pull bar 9 respectively at stay cord 10 two ends before walking rack 15 was installed in.Spring damper is provided with spring ( spring 3 and 4 by 2 screw cylindricals constitutes), spring bracket 6 and positioning plate 7; 2 springs 3 are different with length with 4 diameter, the less spring 4 of diameter is positioned at the bigger spring of diameter 3, the length of the spring 4 that diameter is less is shorter, be respectively equipped with front end permanent seat 8 and rear end permanent seat 5 in the front-end and back-end of 2 springs 3 and 4,2 springs 3 are connected with pull bar 9 by front end permanent seat 8 with 4 front end, 2 springs 3 are connected with spring bracket 6 by rear end permanent seat 5 with 4 rear end, positioning plate 7 is located at the side of spring bracket 6, when bumping, preceding thick stick 1 is because of being hit the depression meeting pressuring spring 3 and 4 that deforms, pressuring spring 3 and 4 o'clock, because spring 3 length are longer, can suffer oppression earlier, then are urged to spring 4 again, therefore spring 3 and 4 can produce the secondary buffer effect, can obviously improve cushioning ability.When rear end permanent seat 5 bumps when connecing positioning plate 7, spring 3 and 4 just in time is in the vertical state that protracts, and so, just can guarantee the normal shock-absorbing function of spring 3 and 4, improves reliability of the present utility model.
2 cover guide piece structures are identical, are located at respectively between preceding thick stick 1 two ends and thick stick 2 two ends, back.Every cover guide piece is provided with 2 groups of pulley guide rails 17 and 2 slide-bars 16, and every group of pulley guide rails 17 is provided with the pulley 171 of several parallel installations, and pulley 171 is the matrix pulley, and each pulley 171 all is located on the support plate 172, and support plate 172 is fixedly arranged on the thick stick 2 of back.Before 2 slide-bar 16 symmetries are fixedly arranged in thick stick 1 end, 2 slide-bars 16 are inserted in the concave arc place (not drawing among the figure) of 2 groups of pulleys 171 respectively and can slide along pulley 171, thus the guide piece when thick stick 1 is flexible before becoming.
The bottom surface of back thick stick 2 is provided with ripple (not drawing among the figure), the buffer capacity when collision can be improved in the ripple bottom surface, and back thick stick 2 is connected in the front end or the rear end of vehicle chassis girder steel by 2 attaching partss 22.Be provided with the flexible hold-down arm 21 of 2 symmetric arrangement on the thick stick 2 of back, flexible hold-down arm 21 rear ends are connected in back thick stick 2 on the lower surface of ground direction, and the front end of flexible hold-down arm 21 supports to arrive at preceding thick stick 1 on the lower surface of ground direction.
Be equipped with the auxilliary platform 20 that rises on band inclined-plane in the side of each spring bracket 6, the auxilliary platform 20 that rises is connected on the thick stick 2 of back.
Claims (10)
1, automobile is characterized in that being provided with Qian Gang, back thick stick and flexible shock absorption device with the two slow bumper/spoilers of parallel bars, and Qian Gang flexibly connects with the back thick stick, and flexible shock absorption device is located between Qian Gang and the back thick stick; Flexible shock absorption device is provided with stay cord, pull bar, 2 cover driver train and at least 2 spring dampers, every cover driver train is provided with motor, driving gear set, support, the wiring axle, driven wheel and walking rack, motor and support are fixedly arranged on respectively on the thick stick of back, motor output shaft is connected with driving gear set, driving gear set is connected with the wiring axle, prop up and be set up on the preceding thick stick, wiring is located on the support, the wiring axle is connected with driven wheel, driven wheel and walking rack engagement, on the thick stick, the stay cord two ends were respectively on the wiring axle of 2 cover driver trains before walking rack was installed in, stay cord is connected with pull bar, spring damper is provided with spring, spring bracket and locating part, the spring front end is connected with pull bar, and spring rear end is connected with spring bracket, spring bracket is fixedly arranged on the thick stick of back, and locating part is located at the side of spring bracket.
2, the automobile as claimed in claim 1 two slow bumper/spoilers of parallel bars, it is characterized in that being provided with 2 cover guide piecees between Qian Gang and back thick stick, every cover guide piece is provided with guide rail and sliding part, and guide rail is located on the thick stick of back, on the thick stick, sliding part cooperated with guide rail is movable before sliding part was located at.
3, the automobile as claimed in claim 2 two slow bumper/spoilers of parallel bars, it is characterized in that described guide rail is the pulley-type guide rail, the pulley-type guide rail is provided with support plate and 2 groups of pulleys, and every group of pulley is provided with at least 2 fixed pulleys, each fixed pulley is parallel to be located on the support plate, and support plate and Hou Gang are connected; Described sliding part is 2 slide-bars, and 2 slide-bars and Qian Gang are connected, 2 slide-bars respectively with each fixed pulley surface bearing fits of 2 groups of pulleys.
4, automobile as claimed in claim 1 is characterized in that with the two slow bumper/spoilers of parallel bars the cross-sectional plane of preceding thick stick is the U font, and the two ends of preceding thick stick are bending end, and the sliding part of guide piece is located in the groove of bending end.
5, automobile as claimed in claim 1 is characterized in that with the two slow bumper/spoilers of parallel bars driving gear set is made of 2 vertical finishing bevel gear cuter engagements of axial line.
6, automobile as claimed in claim 1 is with the two slow bumper/spoilers of parallel bars, it is characterized in that the set spring of spring damper constitutes by 2 screw cylindrical springs are nested.
7. the automobile as claimed in claim 6 two slow bumper/spoilers of parallel bars, the front-end and back-end that it is characterized in that described 2 screw cylindrical springs are respectively equipped with front end permanent seat and rear end permanent seat, the front end of 2 screw cylindrical springs is connected with pull bar by the front end permanent seat, and the rear end of 2 screw cylindrical springs is connected with spring bracket by the rear end permanent seat.
8, automobile as claimed in claim 1 is characterized in that with parallel bars pair slow bumper/spoilers the back thick stick is provided with flexible hold-down arm, and flexible hold-down arm rear end is connected in back thick stick lower surface, and flexible hold-down arm front end is supported on the lower surface of preceding thick stick.
9, automobile as claimed in claim 1 is characterized in that with the two slow bumper/spoilers of parallel bars the side of spring bracket is provided with the auxilliary platform that rises on band inclined-plane, and the auxilliary platform that rises is connected on the thick stick of back.
10, automobile as claimed in claim 1 is characterized in that with the two slow bumper/spoilers of parallel bars the bottom surface of back thick stick is provided with ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201460197U CN201300798Y (en) | 2008-10-24 | 2008-10-24 | Double-bar and double-buffer bumper for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201460197U CN201300798Y (en) | 2008-10-24 | 2008-10-24 | Double-bar and double-buffer bumper for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201300798Y true CN201300798Y (en) | 2009-09-02 |
Family
ID=41084416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201460197U Expired - Fee Related CN201300798Y (en) | 2008-10-24 | 2008-10-24 | Double-bar and double-buffer bumper for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201300798Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248926A (en) * | 2011-04-22 | 2011-11-23 | 王强 | Automobile safety protection device |
| CN103569004A (en) * | 2013-10-31 | 2014-02-12 | 昆山市大久电子有限公司 | Automobile bumper |
| CN103640537A (en) * | 2013-12-08 | 2014-03-19 | 许冬雨 | Plate spring bumper |
| CN105691335A (en) * | 2016-01-18 | 2016-06-22 | 王旭明 | Automotive bumper |
| CN106882138A (en) * | 2015-12-16 | 2017-06-23 | 天津梓彦科技发展有限公司 | A kind of bumper for car |
| CN107378562A (en) * | 2017-09-12 | 2017-11-24 | 昆山篙陵兴金属制品有限公司 | A kind of intermetallic composite coating fixing device |
-
2008
- 2008-10-24 CN CNU2008201460197U patent/CN201300798Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102248926A (en) * | 2011-04-22 | 2011-11-23 | 王强 | Automobile safety protection device |
| CN103569004A (en) * | 2013-10-31 | 2014-02-12 | 昆山市大久电子有限公司 | Automobile bumper |
| CN103640537A (en) * | 2013-12-08 | 2014-03-19 | 许冬雨 | Plate spring bumper |
| CN106882138A (en) * | 2015-12-16 | 2017-06-23 | 天津梓彦科技发展有限公司 | A kind of bumper for car |
| CN105691335A (en) * | 2016-01-18 | 2016-06-22 | 王旭明 | Automotive bumper |
| CN107378562A (en) * | 2017-09-12 | 2017-11-24 | 昆山篙陵兴金属制品有限公司 | A kind of intermetallic composite coating fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090902 Termination date: 20111024 |