CN108223665A - Shell and energy absorption device - Google Patents
Shell and energy absorption device Download PDFInfo
- Publication number
- CN108223665A CN108223665A CN201810111691.0A CN201810111691A CN108223665A CN 108223665 A CN108223665 A CN 108223665A CN 201810111691 A CN201810111691 A CN 201810111691A CN 108223665 A CN108223665 A CN 108223665A
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- China
- Prior art keywords
- side wall
- shell
- guide groove
- absorbing
- energy absorption
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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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/121—Vibration-dampers; Shock-absorbers using plastic deformation of members the members having a cellular, e.g. honeycomb, structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/128—Vibration-dampers; Shock-absorbers using plastic deformation of members characterised by the members, e.g. a flat strap, yielding through stretching, pulling apart
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Dampers (AREA)
Abstract
The invention belongs to the technical fields of passive security protective device, provide a kind of shell, the shell is in right cylinder shape, cavity including being used to house power-absorbing, and the side wall around cavity periphery, guide groove group is provided on side wall, guide groove group includes the multiple guide grooves set along the circumferential ring of side wall, and multiple guide grooves are equidistantly intervally arranged along the axial direction of side wall；In addition, the present invention also provides a kind of energy absorption device, including power-absorbing and shell, power-absorbing is placed in cavity.Present invention employs guide groove group is set on side wall, pass through circumferentially extending of multiple guide grooves along side wall, and it is equally spaced from arranging along the axial direction of side wall, so that when shell is by axial impact force, orderly folded deformation can occur in an axial direction for entire side wall, so as to solve the technical issues of shell folded form is unordered, is difficult to control, it is therefore prevented that shell is generated to squeeze and be destroyed in folded deformation to power-absorbing, ensure that the energy-absorbing buffering effect of shell.
Description
Technical field
The invention belongs to the technical fields of passive security protective device, are to be related to a kind of shell and energy-absorbing more specifically
Device.
Background technology
Ultimate bodyguard of the energy absorption device as the security of the lives and property of protection passenger is widely used in automobile, track is handed over
It is open to traffic, the fields such as high-rise building elevator shaft.
At present, energy absorption device generally can wrap up a shell, Jin Erzeng in the honeycomb core periphery being welded by aluminium foil
Strong honeycomb core bears the ability of longitudinal loading, is effectively prevented honeycomb core and radial shape occurs when bearing to hit and collapse
The phenomenon that becoming, leading to energy-absorbing buffering process unstability.But above-mentioned shell is generally curled by sheet metal, surfacing,
When colliding, when occurring orderly to collapse realization energy-absorbing buffering, which also occurs honeycomb core
Folded deformation, it is unordered however, as the folded form of shell, it is difficult to control, usually honeycomb core be caused to squeeze during deformation
Pressure, when serious, can destroy the structure of honeycomb core, affect the energy-absorbing effect of energy absorption device entirety.
Invention content
The purpose of the present invention is to provide a kind of shell and energy absorption devices, to solve in the prior art, shell folded form
The technical issues of unordered, uncontrollable.
To achieve these goals, the technical solution adopted by the present invention is：A kind of shell is provided, in right cylinder shape, including
Cavity for housing power-absorbing and the side wall around the cavity periphery；Guide groove group is provided on the side wall,
The guide groove group includes multiple guide grooves for setting of circumferential ring along the side wall, and multiple guide grooves are along the side wall
It is axial to be equidistantly intervally arranged.
Further, the guide groove is recessed towards the interior from the appearance of the side wall or from the side wall
Inner surface is recessed to the interior.
Further, the width of the guide groove is greater than or equal to the spacing between adjacent two guide grooves.
Further, the guide groove group includes be recessed from the inner surface of the side wall to outside the side wall multiple first
Guide groove and from the appearance of the side wall towards multiple second guide grooves of the cavity sunken inside；Multiple described first lead
It is alternately arranged to slot and multiple second guide grooves, between the inner surface of first guide groove and the outer surface of the side wall
Spacing be equal to or less than second guide groove inner surface and the side wall inner surface between spacing.
Further, the width of first guide groove is greater than or equal to the width of second guide groove.
Further, the axial cross section along the side wall of first guide groove is arc-shaped or trapezoidal or triangle.
Further, the axial cross section along the side wall of second guide groove is arc-shaped or trapezoidal.
The advantageous effect of shell provided by the invention is：The setting guide groove group on side wall is employed, is led by multiple
It to slot along the circumferentially extending of side wall, and is equally spaced from arranging along the axial direction of side wall so that when shell is rushed by axial direction
When hitting power, orderly folded deformation can occur in an axial direction for entire side wall, unordered, uncontrollable so as to solve shell folded form
The technical issues of, it is therefore prevented that shell is generated to squeeze and be destroyed in folded deformation to power-absorbing, ensure that the energy-absorbing buffering of shell
Effect.
The present invention also provides a kind of energy absorption devices, and including power-absorbing and above-mentioned shell, the power-absorbing is placed in
In the cavity.
Further, the energy absorption device further include one end for being anchored on the shell for connecting by the bottom of fender
Seat.
Further, the energy absorption device further includes the one end for being right against pedestal place end for being anchored on the shell
Anti- climbing tooth.
The advantageous effect of energy absorption device provided by the invention is：Shell is employed, by setting guide groove on side wall
Group so that when shell is by axial impact force, orderly folded deformation can occur in an axial direction for entire side wall, so as to solve
The technical issues of shell folded form is unordered, uncontrollable avoids shell and generates extruding to power-absorbing in folded deformation
It destroys, it is therefore prevented that radial deformation occurs for power-absorbing, ensure that the energy-absorbing buffering effect of energy absorption device.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the schematic front view of shell that the embodiment of the present invention one provides；
Fig. 2 is the axial cross-sectional views of shell provided by Embodiment 2 of the present invention；
Fig. 3 is the schematic front view of shell that the embodiment of the present invention three provides；
Fig. 4 is the schematic front view of shell that the embodiment of the present invention four provides；
Fig. 5 is the schematic front view of shell that the embodiment of the present invention five provides；
Fig. 6 is the schematic front view of shell that the embodiment of the present invention six provides；
Fig. 7 is the enlarged diagram of part A in Fig. 2.
Wherein, each reference numeral in figure：
10-shell, 11-side wall, 12-guide groove group, 100-cavity, 120-guide groove, the 121-the first guide groove,
122-the second guide groove, the width of W1-guide groove, the width of the guide grooves of W2-first, the guide grooves of W3-second width,
Spacing between the slot bottom widths of the guide grooves of W4-second, S-two neighboring guide groove.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
It please refers to Fig.1 to Fig. 7, now shell provided by the invention is illustrated.The shell 10 is in right cylinder shape, including cavity
100 and side wall 11, wherein, cavity 100 can be used for housing power-absorbing, and side wall 11 is centered around the periphery of cavity 100, and in side
Guide groove group 12 is provided on wall 11, which includes multiple guide grooves 120, and herein, multiple guide grooves 120 are along side wall
11 circumferential ring is set, and the axial direction of multiple guide grooves 120 along side wall 11 is equally spaced from arranging.Herein, side wall 11 is by plate
After material bending, then the opposite sides edge of the plank welded to be formed；Guide groove group 12 can the plank upper roller swaging into or
By milling process on the plank, i.e., compartment of terrain eliminates a part of material and processes to be formed on thicker plank.
When shell 10 is by axial impact force, since stress concentration is at guide groove 120, close to the stress of shell 10
The guide groove 120 at end can deform prior to other positions of side wall 11, then along the guide groove 120 of the axial alignment of side wall 11
Collapse Deformation can occur in an orderly manner one by one, so as to guide entire side wall 11 that orderly folded deformation occurs in an axial direction.
Shell 10 provided by the invention, compared with prior art, advantageous effect is：It employs to set on side wall 11 and lead
To slot group 12, it is equally spaced from arranging by circumferentially extending of multiple guide grooves 120 along side wall 11, and along the axial direction of side wall 11
Row so that when shell 10 is by axial impact force, orderly folded deformation can occur in an axial direction for entire side wall 11, so as to solve
The technical issues of shell folded form of having determined is unordered, uncontrollable, it is therefore prevented that shell generates power-absorbing in folded deformation
It squeezes and destroys, ensure that the energy-absorbing buffering effect of shell.
The structure of guide groove group 12 is illustrated below by specific embodiment.The width W1 of the guide groove below
Refer to the width of notch the widest part of guide groove 120, the width W2 of the first guide groove refers to that the notch of the first guide groove 121 is most wide
The width at place, the width W3 of the second guide groove refer to the width of notch the widest part of the second guide groove 122, the slot of the second guide groove
Bottom width degree W4 refers to the width of slot bottom the widest part of the second guide groove 122.
Embodiment one, please refers to Fig.1：
In the present embodiment, inner recess of the guide groove 120 from the appearance of side wall 11 towards side wall 11, and the width of guide groove
The interval S that W1 is greater than or equal between two neighboring guide groove is spent, between the inner surface of guide groove 120 and the inner surface of side wall 11
Be smaller than or the thickness equal to side wall 11 so that when side wall 11 is by axial impact force, stress is first focused on being oriented to
On the cell wall of slot 120, and then make guide groove 120 that Collapse Deformation occur prior to other positions of side wall 11.
Embodiment two, please refers to Fig. 2 and Fig. 7：
In the present embodiment, inner recess of the guide groove 120 from the inner surface of side wall 11 to side wall 11, and the width of guide groove
Spend the interval S that W1 is greater than or equal between two neighboring guide groove, inner surface and the side wall 11 of the slot bottom 121 of guide groove 120
The thickness for being smaller than side wall 11 between outer surface so that when side wall 11 is by axial impact force, entire side wall 11 is from thickness
It spends at smaller 120 place of guide groove and starts folded deformation.
Embodiment three, please refers to Fig. 3：
In the present embodiment, guide groove group 12 includes multiple first guide grooves 121 and multiple second guide grooves 122, wherein, the
One guide groove 121 is recessed from the inner surface of side wall 11 to outside side wall 11, and the second guide groove 122 is from the appearance of side wall 11 towards cavity
100 sunken insides, and multiple first guide grooves 121 are alternately arranged with multiple second guide grooves 122, the first guide groove 121 it is interior
Spacing between surface and the outer surface of side wall 11 is equal to or less than the inner surface of the second guide groove 122 and the inner surface of side wall 11
Between spacing；Herein, the axial cross section along side wall 11 of the first guide groove 121 is arc-shaped, the first adjacent guide groove 121
Connect between the second guide groove 122, the axial cross section along side wall 11 of the slot bottom of the second guide groove 122 can be in linear type or circle
Arc, and the slot bottom width W4 of the second guide groove is less than the width W2 of the first guide groove, in this way, when side wall 11 is by axial direction
During impact force, prior to the second guide groove 122 Collapse Deformation occurs for the first guide groove 121 so that the folded deformation of side wall 11 is more
Orderly, more stablize.
Example IV please refers to Fig. 4：
In the present embodiment, the structure of guide groove group 12 is basically identical with above-described embodiment three, the difference lies in：First
The axial cross section along side wall 11 of guide groove 121 is trapezoidal, and the axial cross section along side wall 11 of the second guide groove 122 is also in ladder
Shape, and the width W2 of the first guide groove is greater than or equal to the width W3 of the second guide groove, in this way, when side wall 11 is by axial direction
During impact force, prior to the second guide groove 122 Collapse Deformation occurs for the first guide groove 121 so that the folded deformation of side wall 11 is more
Orderly, more stablize.
Embodiment five, please refers to Fig. 5：
In the present embodiment, the structure of guide groove group 12 is basically identical with above-described embodiment four, the difference lies in：First
The axial cross section along side wall 11 of guide groove 121 is triangular in shape, and the axial cross section along side wall 11 of the second guide groove 122 is in ladder
Shape, and the slot bottom width W4 of the second guide groove is less than the width W2 of the first guide groove, in this way, when side wall 11 is rushed by axial direction
When hitting power, the first guide groove 121 prior to the second guide groove 122 occur Collapse Deformation so that the folded deformation of side wall 11 more added with
Sequence is more stablized.
Embodiment six, please refers to Fig. 6：
In the present embodiment, the structure of guide groove group 12 is basically identical with above-described embodiment three, the difference lies in：First
The axial cross section along side wall 11 of guide groove 121 is arc-shaped, and the axial cross section along side wall 11 of the second guide groove 122 is also in circle
Arc, and the width W2 of the first guide groove is greater than or equal to the width W3 of the second guide groove, in this way, when side wall 11 is by axial direction
Impact force when, the first guide groove 121 prior to the second guide groove 122 occur Collapse Deformation so that the folded deformation of side wall 11 is more
Added with sequence, more stablize.
The present invention also provides a kind of energy absorption device (not shown), including power-absorbing and above-mentioned shell 10, wherein, energy-absorbing
Element has the honeycomb for being welded and being formed by aluminium foil, and power-absorbing is accommodated in above-mentioned cavity 100.
Energy absorption device provided by the invention, compared with prior art, advantageous effect is：Employ shell 10, by
Guide groove group 12 is set on side wall 11 so that when shell 10 is by axial impact force, entire side wall 11 can occur in an axial direction
Orderly folded deformation so as to solve the technical issues of shell folded form is unordered, is difficult to control, avoids shell and is folding
Power-absorbing is generated to squeeze during deformation and is destroyed, it is therefore prevented that radial deformation occurs for power-absorbing, ensure that the energy-absorbing of energy absorption device
Buffering effect.
Further, as a kind of specific embodiment of energy absorption device provided by the invention, above-mentioned energy absorption device also wraps
Pedestal (not shown) is included, which is fastenedly connected in one end of above-mentioned shell 10, for connecting by fender, such as：Automobile, fire
Vehicle, elevator etc..Specifically, one end of pedestal and shell 10 is fastenedly connected, and mounting hole is offered on pedestal, energy absorption device
The mounting hole is passed through with being fastenedly connected by fender by fastener.In this way, ensure that energy absorption device obtains best protection effect
Fruit.
Further, a kind of specific embodiment as shell provided by the invention and energy absorption device, above-mentioned energy-absorbing dress
Put and further include anti-climbing tooth (not shown), the anti-climbing tooth be fastenedly connected above-mentioned shell 10 be right against above-mentioned pedestal where end one
End.Specifically, shell 10 includes head cover, which is sealed on one end of side wall 11, and anti-climbing tooth is arranged on the outer surface of the head cover
On, and the head cover is vertical with the central axes of power-absorbing, parallel with pedestal and by the composition surface between fender.In this way, have
The phenomenon that climbing is ridden when preventing from mutually being collided by fender to effect, improves the reliability of energy absorption device protection.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. shell, which is characterized in that the shell be in right cylinder shape, including be used to house power-absorbing cavity and around
The side wall of the cavity periphery；Guide groove group is provided on the side wall, the guide groove group includes the circumferential direction along the side wall
Multiple guide grooves that ring is set, and multiple guide grooves are equidistantly intervally arranged along the axial direction of the side wall.
2. shell as described in claim 1, which is characterized in that the guide groove is from the appearance of the side wall towards the side wall
Inner recess is recessed from the inner surface of the side wall to the interior.
3. shell as claimed in claim 2, which is characterized in that the width of the guide groove, which is greater than or equal to described in adjacent two, leads
Spacing between slot.
4. shell as described in claim 1, which is characterized in that the guide groove group is included from the inner surface of the side wall to institute
State multiple first guide grooves for being recessed outside side wall and from the appearance of the side wall towards multiple the second of the cavity sunken inside
Guide groove；Multiple first guide grooves are alternately arranged with multiple second guide grooves, the inner surface of first guide groove
Spacing between the outer surface of the side wall is equal to or less than the inner surface of second guide groove and the interior table of the side wall
Spacing between face.
5. shell as claimed in claim 4, which is characterized in that the width of first guide groove is greater than or equal to described second
The width of guide groove.
6. shell as claimed in claim 4, which is characterized in that the axial cross section along the side wall of first guide groove is in
Arc-shaped or trapezoidal or triangle.
7. shell as claimed in claim 4, which is characterized in that the axial cross section along the side wall of second guide groove is in
It is arc-shaped or trapezoidal.
8. energy absorption device, which is characterized in that including power-absorbing and claim 1 to 7 any one of them shell, the energy-absorbing
Element is placed in the cavity.
9. energy absorption device as claimed in claim 8, which is characterized in that the energy absorption device, which further includes, is anchored on the shell
One end is used to connect by the pedestal of fender.
10. energy absorption device as claimed in claim 9, which is characterized in that the energy absorption device, which further includes, is anchored on the shell
Be right against the pedestal where end one end anti-climbing tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111691.0A CN108223665A (en) | 2018-02-05 | 2018-02-05 | Shell and energy absorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111691.0A CN108223665A (en) | 2018-02-05 | 2018-02-05 | Shell and energy absorption device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108223665A true CN108223665A (en) | 2018-06-29 |
Family
ID=62669601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810111691.0A Pending CN108223665A (en) | 2018-02-05 | 2018-02-05 | Shell and energy absorption device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223665A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839812A (en) * | 2018-07-24 | 2018-11-20 | 南京理工大学 | A kind of ejection buffer unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108839812A (en) * | 2018-07-24 | 2018-11-20 | 南京理工大学 | A kind of ejection buffer unit |
| CN108839812B (en) * | 2018-07-24 | 2021-06-29 | 南京理工大学 | Ejection buffer device |
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