CN201184385Y - Rigidity-changing buffer block - Google Patents
Rigidity-changing buffer block Download PDFInfo
- Publication number
- CN201184385Y CN201184385Y CNU2008200573535U CN200820057353U CN201184385Y CN 201184385 Y CN201184385 Y CN 201184385Y CN U2008200573535 U CNU2008200573535 U CN U2008200573535U CN 200820057353 U CN200820057353 U CN 200820057353U CN 201184385 Y CN201184385 Y CN 201184385Y
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- buffer
- buffer stopper
- rigidity
- boss structure
- buffer block
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Abstract
The utility model relates to a variable-rigidity buffer block, which comprises a buffer block main body and a buffer block mounting part. The buffer block main body also includes at least a first buffer section and a second buffer section, wherein the rigidity of the first buffer section is larger than that of the second buffer section; preferably, the first buffer section is integrated with the second buffer section; and the second buffer section is a boss structure arranged on the first buffer section. By arranging the boss structure on the buffer block main body, the buffer block has lower rigidity before the door cover of a corresponding device is locked to achieve small closing force; the rigidity of the buffer block is increased dramatically after the door cover is locked to sufficiently absorb the kinetic energy of the door cover to prevent collision and scoring of the cover and vehicle parts, thereby effectively solve the contradiction between energy absorption and closing force reduction.
Description
Technical field
The utility model relates to a kind of buffer stopper, particularly relates to a kind of change rigidity buffer stopper that is applied to automotive body positions such as engine hood, trunk lid, lifting door, side door.
Background technique
Often be applied to the buffer stopper structure in the automotive industry, its major function is: one, improve the rigidity of vehicle, can significantly improve engine hood, trunk lid, lifting door, side door and vehicle body region of interest mode, reduce noise, prevent resonance; Two, provide buffer function, prevent that movement parts and vehicle body spare from bumping and scratch; Three, adjust engine hood, trunk lid, lifting door or side door and close power.Consider from endergonic angle, wish that buffer stopper rigidity is big, and consider, wish that then buffer stopper rigidity is little, therefore just form a pair of contradiction from the angle that power is closed in reduction.
The structure of present traditional buffer stopper mostly is holistic simple block structure, as shown in fig. 1.The tradition buffer stopper is along with the increase of amount of deformation, and buffer stopper rigidity remains unchanged substantially or changes slowly.Particularly, the stiffness curve of traditional buffer stopper as shown in Figure 5, wherein transverse axis is an amount of deformation, the longitudinal axis is a load.As can be seen from Figure 1, existing whole block traditional buffer stopper structure mainly comprises the installation 101 of buffer stopper body 100 and bottom, difference between the different buffer stoppers just has certain change, for example rectangle, trapezoidal or cylindricality etc. in shape at the buffer stopper body; But the structure of this kind has caused the rigidity of buffer stopper to remain unchanged substantially or has changed slowly, therefore can not solve power absorption and reduction and close contradiction between the power.
The model utility content
The purpose of this utility model is, for the defective that overcomes above-mentioned prior art provide a kind of have become stiffness characteristics flexibly, can overcome power absorption and reduce the change rigidity buffer stopper of closing contradiction between the power.
For achieving the above object, the utility model is taked following design proposal:
A kind of change rigidity buffer stopper of the present utility model, comprise buffer stopper body and buffer stopper assembly, also comprise at least the first buffer portion and second buffer portion on the described buffer stopper body, the rigidity of wherein said first buffer portion is greater than the rigidity of second buffer portion, preferably, described first buffer portion and second buffer portion are for being made into integration, and described second buffer portion is the boss structure that is arranged on first buffer portion.
Preferably, described boss structure is two or more, and this boss structure is provided with to the inner recessed depressed area of boss.Described boss structure equals 0.8～1.2 with respect to the ratio H1/H2 of the height H 1 of buffer stopper body and the depth H 2 of the depressed area of boss structure inside.
Preferably, described boss structure is with respect to ratio H1/H3≤0.8 of height H 1 with the buffer stopper body height of buffer stopper body.
Further, described boss structure is the solid construction that is made into integration with the buffer stopper body.Described boss structure is circular or rectangle or trapezoidal or polygonal or their combination.Preferably, described buffer stopper assembly place also is provided with locking muscle.
The utility model has the advantages that: because buffer stopper body of the present utility model is provided with boss structure, make buffer stopper before the door closure locking of related device, ratio of rigidity is lower, can satisfy the little requirement of the power of closing; After the door closure locking, buffer stopper rigidity sharply increases, and fully absorbs door closure kinetic energy, prevents to cause lid and bodywork parts to bump and scratch owing to crossing to close.Thereby effectively solved power absorption and reduction and closed contradiction between the power.
Description of drawings
Fig. 1 is the structural representation of existing traditional buffer stopper;
Fig. 2 is the structural representation of a kind of preferred embodiment of the utility model buffer stopper;
Fig. 3 is the sectional view of A-A among Fig. 2;
Fig. 4 is the sectional view of B-B among Fig. 2;
Fig. 5 is the stiffness curve of traditional buffer stopper;
Fig. 6 is the stiffness curve of the utility model buffer stopper.
Embodiment
Referring to Fig. 2, Fig. 3, Fig. 4 and Fig. 6, a kind of preferred embodiment that becomes the rigidity buffer stopper of the utility model shown in it, comprise buffer stopper body 1 and buffer stopper assembly 2, buffer stopper assembly 2 of the present utility model can adopt various mounting structure of the prior art, as buckle installation, screw installation etc.Also comprise at least the first buffer portion 11 and second buffer portion 12 on the described buffer stopper body 1, the rigidity of wherein said first buffer portion 11 is greater than the rigidity of second buffer portion 12, the structure of this kind stiffness variation just can solve power absorption and reduction and close contradiction between the power.
Preferably, described first buffer portion 11 and second buffer portion 12 are for being made into integration, can improve the working life of buffer stopper integral body thus and be easy to and make, further, the second less buffer portion 12 of described rigidity is the boss structure that is arranged on the first bigger buffer portion 11 of rigidity.
Referring to Fig. 2 and Fig. 4, wherein show a kind of preferred embodiment of the utility model boss structure, wherein said boss structure is two, and one or two above boss structures also can be set as required.
Described boss structure can be the solid construction that is made into integration with buffer stopper body 1, and more preferably, boss structure is provided with to the inner recessed depressed area 4 of boss.Depressed area 4 is inner recessed to buffer stopper body 1, make between the edge of boss structure and the buffer stopper body 1 and and the bottom of the depressed area 4 of boss structure between formed two height difference H 1 and H2, H1 is the height of boss structure with respect to buffer stopper body 1, and H2 is depressed area 4 degree of depth of the inside of boss structure.In concrete engineering is used, the stiffness variation of buffer stopper can be adjusted by adjusting H1 and H2 value, big more second buffer portion of H1 and/or H2 is that little rigidity zone is big more, and parameters such as wall thickness t, boss size D that the rigidity size in little rigidity zone can be by adjusting boss structure and buffering block body 1 drafting angle are adjusted; The rigidity in big rigidity zone can be by buffer stopper body 1 overall length L and parameter such as drafting angle adjust.
Referring to Fig. 4, preferably, described boss structure equals 0.8～1.2 with respect to the ratio H1/H2 of the height H 1 of buffer stopper body 1 and the depth H 2 of the depressed area 4 of boss structure inside, further, usually when described boss structure equaled 1 with respect to the ratio H1/H2 of the height H 1 of buffer stopper body 1 and the depth H 2 of the depressed area 4 of boss structure inside, the stiffness variation district shown in Fig. 6 reached minimum substantially; In addition, in the present embodiment, described boss structure is with respect to the height H 1 of buffer stopper body 1 and ratio H1/H3≤0.8 of buffer stopper body 1 height, because in theory regardless of boss height H 1 and whole buffer stopper body height H3 proportionate relationship, all has the change stiffness characteristics, but generally big rigidity zone will disappear as H1/H3＞0.8 time, and the stiffness characteristics performance has only little rigidity zone and stiffness variation district.
In various preferred embodiments of the present utility model, described boss structure can be circular or rectangle or trapezoidal or polygonal or their combination.
Referring to Fig. 6, wherein show the utility model at the stiffness curve that has adopted the buffer stopper body 1 that is made into integration to combine with boss structure, make that buffer stopper is in second buffer portion 12 (boss structure part) in the small deformation zone, because the sectional area that is compressed is little, so ratio of rigidity is less; When distortion reached H1 height (promptly reaching the large deformation zone of first buffer portion 11 on the buffer stopper body 1), owing to the sectional area that is compressed significantly increases, so rigidity significantly increased immediately; And as shown in Figure 6, between big rigidity zone and little rigidity zone, formed the stiffness variation district.
Again on the one hand, change rigidity buffer stopper of the present utility model has also carried out locking design, promptly be provided with locking muscle 5 (as shown in Fig. 2 and Fig. 4) in the bottom of buffer stopper body 1, this locking muscle altitude range can be 0.3～1.2 millimeter, interactional pressure between this locking muscle structure by having certain rigidity and the platy structure (not shown) that matches with buffer stopper assembly 2 with mounting hole, can prevent effectively that the utility model from producing loosening phenomenon after installation, the arrangement of locking muscle can be straight line, also can be the shapes of any curves formula, present embodiment is a form of straight lines.
Obviously, those of ordinary skill in the art can constitute the bigger buffer stopper of various types of stiffness variation with a kind of change rigidity buffer stopper of the present utility model.
The foregoing description is only for the usefulness that the utility model is described; and be not to be to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technological schemes that are equal to also should belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (8)
1, a kind of change rigidity buffer stopper, comprise buffer stopper body (1), it is characterized in that: also comprise at least the first buffer portion (11) and second buffer portion (12) on the described buffer stopper body (1), the rigidity of wherein said first buffer portion (11) is greater than the rigidity of second buffer portion (12), and described second buffer portion (12) is for being arranged on the boss structure on first buffer portion (11).
2, change rigidity buffer stopper according to claim 1 is characterized in that: described first buffer portion (11) and second buffer portion (12) are for being made into integration.
3, change rigidity buffer stopper according to claim 1 is characterized in that: described boss structure is two or more, and this boss structure is provided with to the inner recessed depressed area (4) of boss.
4, change rigidity buffer stopper according to claim 3 is characterized in that: described boss structure equals 0.8～1.2 with respect to the ratio H1/H2 of the height H 1 of buffer stopper body (1) and the depth H 2 of the depressed area (4) of boss structure inside.
5, change rigidity buffer stopper according to claim 1 is characterized in that: described boss structure is less than or equal to 0.8 with respect to the height H 1 of buffer stopper body (1) with buffer stopper body (1) ratio H1/H3 highly.
6, change rigidity buffer stopper according to claim 2 is characterized in that: described boss structure is the solid construction that is made into integration with buffer stopper body (1).
7, change rigidity buffer stopper according to claim 1 is characterized in that: described boss structure is circular or rectangle or trapezoidal or polygonal.
8, change rigidity buffer stopper according to claim 1 is characterized in that: it highly is 0.3～1.2 millimeter locking muscle (5) that described buffer stopper assembly (2) is located also to be provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200573535U CN201184385Y (en) | 2008-04-15 | 2008-04-15 | Rigidity-changing buffer block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200573535U CN201184385Y (en) | 2008-04-15 | 2008-04-15 | Rigidity-changing buffer block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201184385Y true CN201184385Y (en) | 2009-01-21 |
Family
ID=40272124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200573535U Expired - Fee Related CN201184385Y (en) | 2008-04-15 | 2008-04-15 | Rigidity-changing buffer block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201184385Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966279A (en) * | 2012-11-23 | 2013-03-13 | 奇瑞汽车股份有限公司 | Rubber toughness base of lock pillar of back door of hatchback vehicle and construction method thereof |
| CN104864015A (en) * | 2014-02-21 | 2015-08-26 | 3M创新有限公司 | Vibration damping device, electronic device comprising same as well as mobile equipment |
| CN107284530A (en) * | 2016-04-01 | 2017-10-24 | 标致雪铁龙集团 | Hood and its manufacture method, motor vehicles and pedestrian protecting method of testing |
| CN110145193A (en) * | 2019-04-26 | 2019-08-20 | 浙江金昂五金制品有限公司 | A kind of hydraulic hinge door closer of adjustable location structure |
| CN115306245A (en) * | 2022-08-26 | 2022-11-08 | 浙江极氪智能科技有限公司 | Buffer structure and vehicle |
-
2008
- 2008-04-15 CN CNU2008200573535U patent/CN201184385Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966279A (en) * | 2012-11-23 | 2013-03-13 | 奇瑞汽车股份有限公司 | Rubber toughness base of lock pillar of back door of hatchback vehicle and construction method thereof |
| CN102966279B (en) * | 2012-11-23 | 2015-08-12 | 奇瑞汽车股份有限公司 | A kind of hatchback vehicle back door lock rubber toughness pedestal and constructive method thereof |
| CN104864015A (en) * | 2014-02-21 | 2015-08-26 | 3M创新有限公司 | Vibration damping device, electronic device comprising same as well as mobile equipment |
| CN107284530A (en) * | 2016-04-01 | 2017-10-24 | 标致雪铁龙集团 | Hood and its manufacture method, motor vehicles and pedestrian protecting method of testing |
| CN107284530B (en) * | 2016-04-01 | 2021-06-22 | 标致雪铁龙集团 | Engine hood, manufacturing method thereof, motor vehicle and pedestrian protection testing method |
| CN110145193A (en) * | 2019-04-26 | 2019-08-20 | 浙江金昂五金制品有限公司 | A kind of hydraulic hinge door closer of adjustable location structure |
| CN115306245A (en) * | 2022-08-26 | 2022-11-08 | 浙江极氪智能科技有限公司 | Buffer structure and vehicle |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20170415 |