CN108730395A - Damper with bionical ear bones chain structure - Google Patents

Damper with bionical ear bones chain structure Download PDF

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Publication number
CN108730395A
CN108730395A CN201810855483.1A CN201810855483A CN108730395A CN 108730395 A CN108730395 A CN 108730395A CN 201810855483 A CN201810855483 A CN 201810855483A CN 108730395 A CN108730395 A CN 108730395A
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CN
China
Prior art keywords
bionical
damper
incus
ear
malleus
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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.)
Granted
Application number
CN201810855483.1A
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Chinese (zh)
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CN108730395B (en
Inventor
李允公
李明智
王怀玉
刘君瑜
李思雨
郑月震
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Northeastern University China
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Northeastern University China
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Priority to CN201810855483.1A priority Critical patent/CN108730395B/en
Publication of CN108730395A publication Critical patent/CN108730395A/en
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Publication of CN108730395B publication Critical patent/CN108730395B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • F16F7/10Vibration-dampers; Shock-absorbers using inertia effect
    • F16F7/104Vibration-dampers; Shock-absorbers using inertia effect the inertia member being resiliently mounted

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Prostheses (AREA)
  • Vibration Dampers (AREA)

Abstract

The present invention provides a kind of damper with bionical ear bones chain structure.The present invention includes:The damper shell of the absorber main body of bionical human ear auditory ossicular chain and bionical human ear inner ear, absorber main body is assemblied in damper shell, absorber main body includes bionical malleus portion, bionical incus portion and bionical stapes portion, bionical malleus portion includes upper, bottom surface all has the hammer handle portion of default radian, the interconnecting piece in the tup portion and connection hammer handle subordinate bottom surface and tup portion consistent with human ear malleus head configuration, bionical incus portion includes the long process of incus portion extended with the matched hammer anvil joint portion of hammer head shape and hammer anvil joint portion, bionical stapes portion includes the incudostapedial joint portion being connected with long process of incus portion and stapes footplate portion.Damper fast response time, adaptive adjustment capability provided by the invention based on auditory ossicular chain driving mechanism are strong, can preferably protect work in-plant equipment and the safety of construction personnel, while can also apply and allow the damping performance of seat more preferable in traffic and transport field.

Description

Damper with bionical ear bones chain structure
Technical field
The present invention relates to shock-absorption device technical fields, specifically, more particularly to a kind of with bionical ear bones chain structure Damper.
Background technology
With the development of society and economy, requirement of the people for live and work quality is also higher and higher.People now It not only requires safe and reliable, and requires journey comfortable, the research and development of damper seem especially important.Damper, which can play, to be subtracted Effect that is small or cutting down influence of the vibrations to equipment and personnel so that certain equipment and personnel rise from the influence of bad vibration To the effect of protection equipment and personnel normal work and safety, therefore it is widely used in the frequent landing etc. of various machineries.But Existing damper there are problems that, such as:Conventional oil pneumatic bumper although simple in structure, convenient for safeguarding, but working life Short, technological requirement is high and needs to spend with regard to the relatively large number of time due to overhauling and safeguarding.For certain specific occasion dampers, Such as damp adjustable damper, also have complicated, cost is higher, does not have the shortcomings that generality.
Invention content
According to technical problem set forth above, and it is simple to provide a kind of internal structure, being capable of effective protection equipment and work The damper with bionical ear bones chain structure of the personal safety of personnel.
The technological means that the present invention uses is as follows:
A kind of damper with bionical ear bones chain structure, including the absorber main body of bionical human ear auditory ossicular chain and bionical people The damper shell of ear inner ear, the absorber main body are assemblied in the damper shell, and the absorber main body includes imitative Raw malleus portion, bionical incus portion and bionical stapes portion, the bionical malleus portion include the hammer that upper and lower bottom surface all has default radian Shank, the tup portion consistent with human ear malleus head configuration and the interconnecting piece for connecting hammer handle subordinate bottom surface and tup portion, institute It includes default with having of extending of the matched hammer anvil joint portion of the hammer head shape and hammer anvil joint portion to state bionical incus portion The long process of incus portion of dog-ear, the bionical stapes portion include the incudostapedial joint portion being connected with the long process of incus portion and stapes footplate Portion, the horizontal direction after the tup portion is connect with hammer anvil joint portion open up the through-hole for being adapted to connecting rod, and the connecting rod passes through Bionical malleus portion and bionical incus portion are fixed on the damper shell of both sides, the incudostapedial joint portion and the stapes footplate portion It is connected by the first spring.
Further, the damper shell includes the protecting bin at the sidewall paneling and center of both sides, the protecting bin packet Include the first upper plate, the second upper plate and the first lower plate of lower section, the second lower plate of top, first upper plate by bolt with it is described Second upper plate is connected, and second upper plate is connected by bolt with second lower plate, and second lower plate passes through bolt and institute It states the first lower plate to be connected, first lower plate is connected by bolt with first upper plate.
Further, first upper plate includes planar portions and the curved face part with certain radian, is additionally provided with placement test With the spring groove portion of spring.
Further, the bottom surface of first lower plate is equipped with the annular relief that internal diameter is adapted to the incudostapedial joint portion, ring The center of shape lug boss opens up through-hole with the first lower plate being connected, and the diameter of the through-hole is more than the straight of the long process of incus portion Diameter.
Further, the sidewall paneling and the first upper plate plane portion and the opposite position of curved face part open up shape and its The opening matched, the sidewall paneling lower part open up rectangular aperture, and the length of rectangle is not less than the diameter in the stapes footplate portion, and width is not More than the distance for arriving stapes footplate portion bottom at the top of the annular relief.
Further, the part in bionical malleus portion and bionical incus portion is passed through in the connecting rod and extends its part Equipped with torsionspring.
Further, the curved face part center of first upper plate is equipped with opening, and opening is equipped with described bionical for controlling The both ends of the second spring of the interconnecting piece displacement in malleus portion, the second spring are connected to the upper and lower end of opening.
Further, the through hole of first lower plate is horizontally disposed with the third for controlling long process of incus portion displacement Spring.
Further, the center of the cross section in the hammer handle portion and the center in bionical stapes portion are located along the same line.
Compared with the prior art, the present invention has the following advantages:
The present invention provides a set of response by the shape and its connection relation of malleus incus and stapes in bionical auditory ossicular chain The damper based on auditory ossicular chain driving mechanism that speed is fast, adaptive adjustment capability is strong, damping performance function is more preferable, can be more preferable The safety of work in-plant equipment and construction personnel are protected in ground, while can also apply and allow the damping property of seat in traffic and transport field Can be more preferable, passenger more comfortably feels at ease, and by the way that limit spring is arranged, preferably protects each joint, extends the use of damper Service life.
The present invention can be widely popularized in shock-absorption device technical field based on the above reasons.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to do simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.
Fig. 1 is the damper explosion diagram that the present invention has bionical ear bones chain structure.
Fig. 2 is bionical malleus portion simulation model figure in damper of the present invention with bionical ear bones chain structure.
Fig. 3 is bionical incus portion simulation model figure in damper of the present invention with bionical ear bones chain structure.
Fig. 4 is the incudostapedial joint portion simulation model in bionical stapes portion in damper of the present invention with bionical ear bones chain structure Figure.
Fig. 5 is the stapes footplate portion simulation model in bionical stapes portion in damper of the present invention with bionical ear bones chain structure Figure.
Fig. 6 is the damper explosive view overall structure diagram that the present invention has bionical ear bones chain structure.
In figure:1, hammer handle portion;2, interconnecting piece;3, tup portion;4, hammer anvil joint portion;5, long process of incus portion;6, incudostapedial joint Portion;7, stapes footplate portion;8, sidewall paneling;9, the first upper plate;10, the second upper plate;11, the second lower plate;12, the first lower plate;13, even Extension bar;14, torsionspring;15, the first spring;16, second spring.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only It is only a part of the embodiment of the present invention, instead of all the embodiments.Below to the description of at least one exemplary embodiment reality It is merely illustrative on border, never as to the present invention and its application or any restrictions used.Based on the reality in the present invention Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to In the scope of protection of the invention.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root According to exemplary embodiments of the present invention.As used herein, unless the context clearly indicates otherwise, otherwise singulative It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be clear that for ease of description, attached each portion shown in the drawings The size divided not is to be drawn according to actual proportionate relationship.For the known technology of person of ordinary skill in the relevant, side Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation A part for book.In shown here and discussion all examples, appointing to occurrence should be construed as merely illustrative, and Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should be noted that:Similar label Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached It need not be further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical, Vertically, the orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that Signified device or element must have a particular orientation or with specific azimuth configuration and operations with hint, therefore cannot manage Solution is limiting the scope of the invention:The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ", " ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction " Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and " in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and And respective explanations are made to the opposite description in space used herein above.
Furthermore, it is necessary to which explanation, limits parts, it is only for be convenient for using the words such as " first ", " second " Corresponding parts are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this The limitation of invention protection domain.
As shown in figures 1 to 6, the present invention provides a kind of dampers with bionical ear bones chain structure, including bionical human ear to listen The damper shell of the absorber main body of bone chain and bionical human ear inner ear, the absorber main body are assemblied in the damper shell Interior, the absorber main body includes bionical malleus portion, bionical incus portion and bionical stapes portion, the bionical malleus portion include it is upper, Bottom surface all has the hammer handle portion 1, the tup portion 3 consistent with human ear malleus head configuration and the connection hammer handle portion of default radian The interconnecting piece 2 of bottom surface and tup portion, the bionical incus portion include with the matched hammer anvil joint portion 4 of the hammer head shape and What hammer anvil joint portion extended has the long process of incus portion 5 of default dog-ear, and the bionical stapes portion includes and the long process of incus Connected incudostapedial joint portion 6 of portion 5 and stapes footplate portion 7, the horizontal direction after the tup portion 3 is connect with hammer anvil joint portion 4 are opened If being adapted to the through-hole of connecting rod 13, the connecting rod 13 is fixed on the damper of both sides across bionical malleus portion and bionical incus portion On shell, the incudostapedial joint portion 6 is connect with the stapes footplate portion 7 by the first spring 15.
The damper shell includes the protecting bin at the sidewall paneling and center of both sides, and the protecting bin includes the of top One upper plate 9, the second upper plate 10 and the first lower plate 12 of lower section, the second lower plate 11, first upper plate 9 pass through bolt and described the Two upper plates 10 are connected, and second upper plate 10 is connected by bolt with second lower plate 12, and second lower plate 12 passes through spiral shell Bolt is connected with first lower plate 11, and first lower plate 11 is connected by bolt with first upper plate 9.
First upper plate 9 includes planar portions and the curved face part with certain radian, is additionally provided with and places test spring Spring groove portion, by preventing different-stiffness and the spring of damping, acquisition from hammering the acceleration ratio of stapes into shape in the spring groove portion, Determine the influence to integral shock-absorbing at malleus.
The bottom surface of first lower plate 12 is equipped with the annular relief that internal diameter is adapted to the incudostapedial joint portion, annular relief Center open up through-hole with the first lower plate 12 being connected, the diameter of the through-hole is more than the diameter in the long process of incus portion 5.
The sidewall paneling 8 and 9 planar portions of the first upper plate and the opposite position of curved face part open up that shape is matched to be opened Mouthful, 8 lower part of the sidewall paneling opens up rectangular aperture, and the length of rectangle is not less than the diameter in the stapes footplate portion 7, and width is not more than The distance of 7 bottom of stapes footplate portion is arrived at the top of the annular relief.
The part in bionical malleus portion and bionical incus portion is passed through in the connecting rod 13 and extends its part is equipped with torsion Turn spring 14.When the epimere motion amplitude in bionical malleus portion is small, hammer anvil is slided along the direction of connecting rod 13 is opposite together, is turned round Turn spring 14 to be compressed, effective protection hammers stirrup joint into shape.
The curved face part center of first upper plate 9 is equipped with opening, and opening is equipped with for controlling the bionical malleus portion The both ends of the second spring 16 of interconnecting piece displacement, the second spring 16 are connected to the upper and lower end of opening, second spring 16 as button, prevents from sliding relatively, and when malleus is downward, second spring 16 gives a upward power, when bionical malleus portion When upward, spring gives a downward power, can be with the bionical malleus portion of effective protection.
The through hole of first lower plate 12 is horizontally disposed with the third spring for controlling 5 displacement of long process of incus portion. When vibrating big, stapes can rotate, third spring effective protection incudostapedial joint.
The center of the cross section in the hammer handle portion 1 and the center in bionical stapes portion are located along the same line.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (9)

1. a kind of damper with bionical ear bones chain structure, which is characterized in that including:The damper master of bionical human ear auditory ossicular chain The damper shell of body and bionical human ear inner ear, the absorber main body are assemblied in the damper shell, the damper Main body includes bionical malleus portion, bionical incus portion and bionical stapes portion, the bionical malleus portion include upper and lower bottom surface all have it is pre- If the hammer handle portion (1) of radian, the tup portion (3) consistent with human ear malleus head configuration and connection hammer handle subordinate bottom surface and hammer The interconnecting piece (2) on head, the bionical incus portion include being closed with the matched hammer anvil joint portion (4) of the hammer head shape and hammer anvil What section portion extended has the long process of incus portion (5) of default dog-ear, and the bionical stapes portion includes and the long process of incus portion (5) Connected incudostapedial joint portion (6) and stapes footplate portion (7), the tup portion (3) connect with hammer anvil joint portion (4) after level side To the through-hole for opening up adaptation connecting rod (13), the connecting rod (13) passes through bionical malleus portion and bionical incus portion to be fixed on both sides Damper shell on, the incudostapedial joint portion (6) is connect with the stapes footplate portion (7) by the first spring.
2. the damper according to claim 1 with bionical ear bones chain structure, which is characterized in that the damper shell Protecting bin at sidewall paneling and center including both sides, the protecting bin include the first upper plate (9) of top, the second upper plate (10) The first lower plate (12), the second lower plate (11) with lower section, first upper plate (9) pass through bolt and the second upper plate (10) phase Even, second upper plate (10) is connected by bolt with second lower plate (12), second lower plate (12) by bolt and First lower plate (11) is connected, and first lower plate (11) is connected by bolt with first upper plate (9).
3. the damper according to claim 1 or 2 with bionical ear bones chain structure, which is characterized in that on described first Plate (9) includes planar portions and the curved face part with certain radian, is additionally provided with the spring groove portion for placing test spring.
4. the damper according to claim 2 with bionical ear bones chain structure, which is characterized in that first lower plate (12) bottom surface is equipped with internal diameter and is adapted to the annular relief in the incudostapedial joint portion, the center of annular relief be connected first Lower plate (12) opens up through-hole, and the diameter of the through-hole is more than the diameter of the long process of incus portion (5).
5. the damper according to claim 2 with bionical ear bones chain structure, which is characterized in that the sidewall paneling (8) With the first upper plate (9) planar portions and the opposite position of curved face part open up the matched opening of shape, under the sidewall paneling (8) Portion opens up rectangular aperture, and the length of rectangle is not less than the diameter of the stapes footplate portion (7), and width is not more than the annular relief Distance of the top to stapes footplate portion (7) bottom.
6. the damper according to claim 1 with bionical ear bones chain structure, which is characterized in that the connecting rod (13) On across bionical malleus portion and bionical incus portion part and extend its part and be equipped with torsionspring (14).
7. the damper according to claim 3 with bionical ear bones chain structure, which is characterized in that first upper plate (9) curved face part center is equipped with opening, and opening is equipped with the second bullet of the interconnecting piece displacement for controlling the bionical malleus portion The both ends of spring (16), the second spring (16) are connected to the upper and lower end of opening.
8. the damper according to claim 4 with bionical ear bones chain structure, which is characterized in that first lower plate (12) through hole is horizontally disposed with the third spring for controlling long process of incus portion (5) displacement.
9. the damper according to claim 1 with bionical ear bones chain structure, which is characterized in that the hammer handle portion (1) The center at center and bionical stapes portion of cross section be located along the same line.
CN201810855483.1A 2018-07-31 2018-07-31 Shock absorber with bionic ossicular chain structure Expired - Fee Related CN108730395B (en)

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CN201810855483.1A CN108730395B (en) 2018-07-31 2018-07-31 Shock absorber with bionic ossicular chain structure

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CN201810855483.1A CN108730395B (en) 2018-07-31 2018-07-31 Shock absorber with bionic ossicular chain structure

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CN108730395B CN108730395B (en) 2020-03-13

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108710775B (en) * 2018-07-31 2021-05-25 东北大学 Auditory ossicle chain transmission mechanism-based damping system and design method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6450488B1 (en) * 2000-01-06 2002-09-17 Research & Manufacturing Corp. Isolator pad for a motor vehicle leaf spring
US20020143406A1 (en) * 2001-03-30 2002-10-03 Townsend Barry W. Prosthetic foot with tunable performance
CN204372023U (en) * 2014-11-18 2015-06-03 马勒技术投资(中国)有限公司 For the vibration isolator stress equilibrium type fastener of support
CN104895985A (en) * 2015-06-15 2015-09-09 吉林大学 Goat leg joint-shaped vibration reduction joint
CN104948657A (en) * 2015-05-13 2015-09-30 泰州扬子江车辆部件有限公司 Bionic layer and engine cylinder block vibration damping structure
CN205371429U (en) * 2016-01-17 2016-07-06 张薛莲 A bumper shock absorber is taken advantage of to car
CN107997857A (en) * 2017-12-26 2018-05-08 北京科仪邦恩医疗器械科技有限公司 A kind of sealed knee joint tibial component of W types

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6450488B1 (en) * 2000-01-06 2002-09-17 Research & Manufacturing Corp. Isolator pad for a motor vehicle leaf spring
US20020143406A1 (en) * 2001-03-30 2002-10-03 Townsend Barry W. Prosthetic foot with tunable performance
CN204372023U (en) * 2014-11-18 2015-06-03 马勒技术投资(中国)有限公司 For the vibration isolator stress equilibrium type fastener of support
CN104948657A (en) * 2015-05-13 2015-09-30 泰州扬子江车辆部件有限公司 Bionic layer and engine cylinder block vibration damping structure
CN104895985A (en) * 2015-06-15 2015-09-09 吉林大学 Goat leg joint-shaped vibration reduction joint
CN205371429U (en) * 2016-01-17 2016-07-06 张薛莲 A bumper shock absorber is taken advantage of to car
CN107997857A (en) * 2017-12-26 2018-05-08 北京科仪邦恩医疗器械科技有限公司 A kind of sealed knee joint tibial component of W types

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Granted publication date: 20200313