CN205395995U - Utilize permanent magnet's buffer - Google Patents
Utilize permanent magnet's buffer Download PDFInfo
- Publication number
- CN205395995U CN205395995U CN201620152997.7U CN201620152997U CN205395995U CN 205395995 U CN205395995 U CN 205395995U CN 201620152997 U CN201620152997 U CN 201620152997U CN 205395995 U CN205395995 U CN 205395995U
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- CN
- China
- Prior art keywords
- bumper
- permanent magnet
- vehicle frame
- coupling parts
- whippletree
- 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.)
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Abstract
The utility model discloses an utilize permanent magnet's buffer (1), include: bumper whippletree (10), bumper whippletree (10) attach through bumper connecting piece (15) and connect on frame (3), end plate (21) and cross slab (13) inside be provided with permanent magnet (131), and end plate (21) inside permanent magnet with the permanent magnet's of cross slab (13) inside the setting that the magnetic pole is opposite. Even make the bumper whippletree under the effect of less impact force, reaction that also can be sensitive and produce the deformation under the low -speed state, can have good protection effect to the pedestrian, and less deformation can self -recovery.
Description
Technical field
This utility model relates to a kind of buffer unit, especially a kind of for vehicle bumper, utilizes the buffer unit of permanent magnet.
Background technology
Generally, automobile or other vehicles are both provided with bumper, so that when automobile collides with automobile or other barriers, the bumper arranged before and after automobile is by absorbing and cushion the safety of foreign impacts power, protection vehicle body front and rear part, thus reduce the injury to personnel and vehicle when high-speed impact.In general, by arranging padded coaming between bumper and vehicle body, when bumper is subject to impacting, by impulsive force is shifted to vehicle body, thus in the bumper process with the interphase interaction of vehicle body, padded coaming deformation is to reach the effect absorbing and cushioning.
Such as a kind of bumper disclosed in Chinese patent CN104742838A, it includes vehicle body and the bumper being installed on vehicle body, bumper is cushioning effect in collision, this bumper includes front thick stick, this bumper also includes the Buffer Unit that at least two relative tilt is arranged, this each Buffer Unit includes elastic component to be fixed the articulated part being connected and fixes, with this elastic component other end, the connecting rod being connected with this elastic component one end, this articulated part is for being articulated with this vehicle body, and this connecting rod is away from one end of elastic component and this front thick stick pivot joint.Can play a role well but although this bumper collides when low cruise, when speed per hour buffer capacity as the Buffer Unit of padded coaming self when more than more than 30km/h is limited, and the Buffer Unit connecting rod-type is easily damaged, cushioning effect more cannot be realized.
And for example a kind of elastomeric composition bumper disclosed in Chinese patent CN103978943A, including: plastic shell, anti-collision beam and helical spring, described plastic shell is arranged on the front of anti-collision beam, described helical spring is connected between plastic shell and anti-collision beam, described anti-collision beam is provided with several positioning sleeve, the end of described positioning sleeve is respectively arranged with hole, location, and the inner side of described plastic shell is provided with several guide post, and the front end of described guide post is separately positioned on inside hole, location.By the way, by the toughness of plastic shell itself plus the shock-absorbing capacity of spring, in slight-scuffing, it is possible to effectively reduce the damage of pedestrian and vehicle, and anti-collision beam is it is also ensured that the intensity of structure.Although this kind of bumper is by positioning the carrying out reinforcement to a certain extent for guide post of the mode in hole, and recognizes that the plastic deformation using plastic shell and spring is to increase protective effect, but crash protection when being still limited to vehicle low cruise.But time actually due to motor vehicles and pedestrian impact, usually having taken up brake measure due to driver, the power on bumper that acts on is usually less than the degree of the deformation such as the padded coaming that can make guide post so that this kind of bumper effectively can not provide protection for pedestrian.
Along with the development controlling technology, car manufactures has been developed for lift-launch multiple sensors, such as touch sensor, radar, laser radar, optical pickocff etc. on onboard system, by the collision detected or predict between pedestrian.When onboard system when detection or predict with pedestrian collision time or will with pedestrian impact time, active activation or transfer some counter-measures to alleviate the collision that pedestrian is subject to.But such system needs complicated sensor and Mechatronic Systems to play a role, and its unfailing performance is still worth discussion.Most important, how it effectively provides the problem protected when still unresolved inevitable collision occurs.
Utility model content
This utility model provides a kind of technical scheme, has solved at least one technical problem existed in prior art.
This utility model provides a kind of buffer unit, including: bumper whippletree, described bumper whippletree is attached on vehicle frame by bumper coupling parts, and can relative to the longitudinally opposed movement of described vehicle frame；Described bumper coupling parts is hollow tubular part, and one end is used for being attached bumper whippletree, and the middle part of described bumper coupling parts is provided with diaphragm plate；It is provided with gripper shoe in the end of described vehicle frame, described gripper shoe has fixing pipe along described vehicle frame to the direction longitudinal extension of described bumper coupling parts, and it being attached with end plate at described fixing tube end, the inner tubular portion at described bumper coupling parts that is sized and shaped for of described end plate moves freely；It is characterized in that: described end plate and described diaphragm plate are internally provided with permanent magnet and the setting that the permanent magnet within described end plate is contrary with the magnetic pole of the permanent magnet within described diaphragm plate.
Preferably, described permanent magnet is that display forms by the fritter permanent magnet of same size, and the externally used rubber of described permanent magnet or synthetic resin material are coated with.
Preferably, the lower wall of described vehicle frame having a groove, described groove is adapted so that the long cantilever traverse of pendulum, and passes through the lower wall attaching to described vehicle frame that bearing pin is rotatable.
Preferably, the lower wall of described bumper coupling parts is provided with block piece corresponding to the position of groove, when described bumper coupling parts is when moving towards the longitudinal direction of described vehicle frame, impulsive force from described bumper whippletree is transferred to be positioned at the drive end of the described long cantilever end of described pendulum by described block piece so that pendulum produces to overcome the swing of action of gravity.
The beneficial effects of the utility model are:
Even if 1. bumper whippletree is under less impact force action, it is possible to sensitive reaction and be deformed, under lower-speed state, pedestrian can be had good protected effect, and less deformation can recover voluntarily.
2. owing to long cantilever rotates around bearing pin, and the distance between drive end and bearing pin is much smaller than the distance of pendulum center of gravity to bearing pin, according to mechanics principle, pendulum can produce sizable counteracting force, so that the impulsive force that vehicle produces when high-speed impact, it is converted into the motion of pendulum.
3., when vehicle is with bigger speed impacts, permanent magnet provides the cushioning effect of a part so that when pendulum is increased to extreme higher position, the upper limit of the travel speed of vehicle is promoted, thus security performance can ensure.
Accompanying drawing explanation
At this, embodiment of the present utility model will be described schematically with reference to drawings below:
Fig. 1 is the structural representation of the buffer unit of a kind of embodiment of this utility model.
Fig. 2 is the schematic diagram of the inertia weight that this utility model adopts.
Fig. 3 is the permanent magnet structure schematic diagram that this utility model adopts.
It should be noted that accompanying drawing only represents each parts of embodiment schematically, be not drawn to draw, and the parts in embodiment do not constituted restriction.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is further described, but this utility model is not confined to these detailed description of the invention.One skilled in the art would recognize that this utility model covers all alternatives, improvement project and the equivalents that potentially include in Claims scope.
As used herein, term " automobile " and " vehicle " represent any wheeled vehicle of traveling or cross-country run on road, and include, but is not limited to car, truck, commerial vehicle, cross type vehicle and construction vehhicle.
Embodiment 1
As it is shown in figure 1, this utility model illustrates a kind of buffer unit 1, the front/rear collision bumper being particularly well-suited to automobile or vehicle uses.Buffer unit 1 includes bumper whippletree 10, and this bumper whippletree 10 is attached on vehicle frame 3 by bumper coupling parts 15, and can relative to longitudinal direction (i.e. the longitudinal direction of the vehicle) relative movement of vehicle frame 3.This embodiment is not excluded for bumper whippletree 3 certainly and also attaches to vehicle frame 3 by other means simultaneously.
In typical vehicle, bumper whippletree 10 is installed on the longitudinal beam of two vehicle frames, vertically moving of bumper whippletree is realized by being arranged on guide rail 16 ball bearing between vehicle frame longitudinal beam and bumper coupling parts or similar device (not shown), this is it is well known that do not repeat them here in automotive field.
Bumper coupling parts 15 is hollow tubular part, and its one end is used for being attached bumper whippletree 10, and the other end is then uncovered setting.The middle part of bumper coupling parts 15 is provided with diaphragm plate 13, bumper coupling parts 15 is divided into two area of space.
Padded coaming can be filled, it is preferred that padded coaming is EPP expanded material or PP material near first area of space 14 inside of bumper whippletree 10 one end.
Referring to Fig. 3, diaphragm plate 13 is internally provided with permanent magnet 131, this diaphragm plate preferred non-integral are made up of permanent magnet, but be made up of in display the fritter permanent magnet 131 of same size, externally used rubber or the synthetic resin material 132 of permanent magnet 131 are coated with, can be prevented effectively from and impact the Magnet damage caused, or long oxidation effect causes Magnet declines.
Gripper shoe 33 it is provided with in the end of vehicle frame 3, gripper shoe 33 has fixing pipe 23 along vehicle frame 3 to the direction longitudinal extension of bumper coupling parts 15, and it being attached with end plate 21 in fixing pipe 23 end, the inner tubular portion at bumper coupling parts 15 that is sized and shaped for of described end plate 21 moves freely.
And end plate 21 is similar to diaphragm plate 13, it is internally provided with permanent magnet and the setting that the permanent magnet within end plate 21 is contrary with the magnetic pole of the permanent magnet within diaphragm plate 13.Schematically, in FIG from left to right, the arrangement of the permanent magnet poles in end plate 21 to diaphragm plate 13 is N-S, N-S.
So, even if when bumper whippletree 12 is under less impact force action, it is possible to sensitive reaction and be deformed, under lower-speed state, pedestrian can be had good protected effect, and less deformation can recover voluntarily under the effect of permanent magnet.
Embodiment 2
On the basis of embodiment 1, as illustrated in fig. 1 and 2, the lower wall of vehicle frame 3 having a groove, this groove is adapted so that the long cantilever 53 of pendulum 50 is through groove, and passes through the lower wall attaching to vehicle frame 3 that bearing pin 52 is rotatable.
The lower wall of bumper coupling parts 15 is corresponding to the position of groove, it is provided with block piece 41, when bumper coupling parts 15 is when moving towards the longitudinal direction of vehicle frame 3, the impulsive force of block piece 41 self-protective thick stick whippletree 10 in the future is transferred to be positioned at the drive end 51 of long cantilever 53 end of pendulum 50 so that pendulum produces to overcome the swing of action of gravity.Owing to long cantilever 53 rotates around bearing pin 52, and the distance between drive end 51 and bearing pin 52 is much smaller than the distance of pendulum 50 center of gravity to bearing pin, according to mechanics principle, pendulum 50 can produce sizable counteracting force, so that the impulsive force that vehicle produces when high-speed impact, it is converted into the motion of pendulum.
Preferably, block piece 41, under the impact force action of vehicle low speed impact, will not touch drive end 51.
As shown in Figure 2, a sizable angle is formed between main body and the bearing of trend of long cantilever 53 of pendulum 50, make the center of gravity working as pendulum 50 to the distance of rotating shaft bearing pin 52 much larger than the distance between drive end 51 and bearing pin 52, it is preferred that the center of gravity of pendulum 50 to the distance of rotating shaft bearing pin 52 is 5-15 times of the drive end 51 spacing with bearing pin 52.
Accompanying drawing labelling 50 ' expression pendulum 50 is rocked to state during extreme higher position.
Embodiment 3
On the basis of embodiment 1 and 2, in the side 11 that bumper whippletree 10 extends to downside, and pendulum 50 is near the side of bumper whippletree 10, is provided with the contrary permanent magnet of magnetic pole 12.
So, when vehicle is with bigger speed impacts, permanent magnet 12 provides the cushioning effect of a part so that when pendulum 50 is increased to extreme higher position, the upper limit of the travel speed of vehicle is promoted, thus security performance can ensure.
Above-mentioned specific embodiment is schematically illustrating this utility model content, does not represent the restriction to this utility model content.It may occur to persons skilled in the art that, in this utility model, concrete structure can have a lot of versions, but the technical characteristics of the used technical solution is same or similar with this utility model, all should be covered by this utility model protection domain.
Claims (4)
1. a buffer unit (1), including: bumper whippletree (10), described bumper whippletree (10) is attached on vehicle frame (3) by bumper coupling parts (15), and can relative to the longitudinally opposed movement of described vehicle frame (3)；
Described bumper coupling parts (15) is hollow tubular part, and one end is used for described attachment bumper whippletree (10), and the middle part of described bumper coupling parts (15) is provided with diaphragm plate (13)；
Gripper shoe (33) it is provided with in the end of described vehicle frame (3), described gripper shoe (33) has fixing pipe (23) along described vehicle frame (3) to the direction longitudinal extension of described bumper coupling parts (15), and it being attached with end plate (21) in described fixing pipe (23) end, the inner tubular portion at described bumper coupling parts (15) that is sized and shaped for of described end plate (21) moves freely；
It is characterized in that: described end plate (21) and described diaphragm plate (13) are internally provided with permanent magnet (131) and the setting that the permanent magnet of described end plate (21) inside is contrary with the magnetic pole of the permanent magnet of described diaphragm plate (13) inside.
2. buffer unit (1) as claimed in claim 1, it is characterized in that: described permanent magnet (131) is that display forms by the fritter permanent magnet of same size, the externally used rubber of described permanent magnet (131) or synthetic resin material (132) are coated with.
3. buffer unit (1) as claimed in claim 1, it is characterized in that: the lower wall of described vehicle frame (3) has a groove, described groove is adapted so that long cantilever (53) traverse of pendulum (50), and passes through the lower wall attaching to described vehicle frame (3) that bearing pin (52) is rotatable.
4. buffer unit (1) as claimed in claim 3, it is characterized in that: the lower wall of described bumper coupling parts (15) is provided with block piece (41) corresponding to the position of groove, when described bumper coupling parts (15) is when moving towards the longitudinal direction of described vehicle frame (3), impulsive force from described bumper whippletree (10) is transferred to be positioned at the drive end (51) of described long cantilever (53) end of described pendulum (50) by described block piece (41) so that pendulum produces to overcome the swing of action of gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152997.7U CN205395995U (en) | 2016-02-29 | 2016-02-29 | Utilize permanent magnet's buffer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152997.7U CN205395995U (en) | 2016-02-29 | 2016-02-29 | Utilize permanent magnet's buffer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205395995U true CN205395995U (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620152997.7U Expired - Fee Related CN205395995U (en) | 2016-02-29 | 2016-02-29 | Utilize permanent magnet's buffer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205395995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105752010A (en) * | 2016-02-29 | 2016-07-13 | 孙莉新 | Buffering device with permanent magnets |
-
2016
- 2016-02-29 CN CN201620152997.7U patent/CN205395995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105752010A (en) * | 2016-02-29 | 2016-07-13 | 孙莉新 | Buffering device with permanent magnets |
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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: 20160727 Termination date: 20190228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |