JPS6388344A - Vibration isolator - Google Patents
Vibration isolatorInfo
- Publication number
- JPS6388344A JPS6388344A JP22984986A JP22984986A JPS6388344A JP S6388344 A JPS6388344 A JP S6388344A JP 22984986 A JP22984986 A JP 22984986A JP 22984986 A JP22984986 A JP 22984986A JP S6388344 A JPS6388344 A JP S6388344A
- Authority
- JP
- Japan
- Prior art keywords
- vibration
- vibration isolating
- elastic body
- rubber
- vibrating body
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 235000019589 hardness Nutrition 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
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
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/08—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of a material having high internal friction, e.g. rubber
- F16F3/087—Units comprising several springs made of plastics or the like material
- F16F3/093—Units comprising several springs made of plastics or the like material the springs being of different materials, e.g. having different types of rubber
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、振動体の下部に取付けられ振動体から接地
面への振動の伝達を抑制する防振装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a vibration isolating device that is attached to the lower part of a vibrating body and suppresses transmission of vibration from the vibrating body to a ground surface.
［従来の技術］ 第４図を参照して従来の防振装置を説明する。[Conventional technology] A conventional vibration isolator will be explained with reference to FIG.
防振ゴム１０は筒部１２と上端面部１４とからなり、上
端面部１４の中心孔には円筒状のカラー１６が貫挿され
ている。ボルト１８は、防振ゴム１０の下端側から挿入
され、カラー１６及び振動体２０（機械等）のボルト孔
を貫通し、上端においてナツト２２を螺着されている。The vibration isolating rubber 10 includes a cylindrical portion 12 and an upper end surface portion 14, and a cylindrical collar 16 is inserted through the center hole of the upper end surface portion 14. The bolt 18 is inserted from the lower end side of the vibration isolating rubber 10, passes through the bolt hole of the collar 16 and the vibrating body 20 (machine, etc.), and is screwed onto a nut 22 at the upper end.
ボルト１８の頭部とナツト２２との締め付けにより防振
ゴム１０は振動体２０に固定される。防振ゴム１０の下
端面は接地面２４に接触し、こうして振動体２０は防振
ゴム１０を介して接地面２４に載置される。The vibration isolating rubber 10 is fixed to the vibrating body 20 by tightening the head of the bolt 18 and the nut 22. The lower end surface of the vibration isolating rubber 10 contacts the ground plane 24, and the vibrating body 20 is thus placed on the ground plane 24 via the vibration isolating rubber 10.
［発明が解決しようとする問題点コ
従来の防振装置では、防振ゴム１０の硬度が高い（硬い
）と、防振ゴム１０が十分に振動を吸収できなくなると
ともに、振動体２０の振動に伴って、振動体２０が移動
してしまう不具合があり、また、防振ゴム１０の硬度が
低い（軟らかい）と、振動の吸収や振動体２０の静止保
持には優れるが、防振ゴム１０が振動体２０との相対摺
動により早期に摩耗してしまう不具合がある。[Problems to be Solved by the Invention] In the conventional vibration isolating device, if the vibration isolating rubber 10 has high hardness (hardness), the vibration isolating rubber 10 will not be able to absorb vibrations sufficiently, and the vibration of the vibrating body 20 will As a result, there is a problem that the vibrating body 20 moves.Also, if the vibration isolating rubber 10 has low hardness (softness), it is excellent in absorbing vibrations and keeping the vibrating body 20 stationary, but the vibration isolating rubber 10 is There is a problem that it wears out early due to relative sliding with the vibrating body 20.
この発明の目的は、早期の摩耗を回避しつつ。The aim of this invention is to avoid premature wear.
振動の吸収及び振動体の静止保持にも優れる防振装置を
提供することである。It is an object of the present invention to provide a vibration isolating device that is excellent in absorbing vibrations and keeping a vibrating body stationary.
［問題点を解決するための手段］
この発明による防振装置は、振動体の下面に固定され硬
度が低い（軟らかい）第一の防振弾性体と、この第一の
防振弾性体の下面に着脱自在に固定され下面において接
地面に接触し硬度が高い（硬い）第二の防振弾性体とを
有してなる。[Means for solving the problem] The vibration isolating device according to the present invention includes a first vibration isolating elastic body fixed to the lower surface of the vibrating body and having a low hardness (soft), and a lower surface of the first vibration isolating elastic body. and a second vibration-proofing elastic body which is removably fixed to the ground surface and has a high hardness (hardness) and which contacts the ground plane at its lower surface.
［作用］ 第一の防振弾性体は振動体の振動を吸収する。[Effect] The first vibration-proof elastic body absorbs vibrations of the vibrating body.
したがって、振動体から接地面への振動の伝達が抑制さ
れるとともに、振動体の移動が防止される。Therefore, transmission of vibration from the vibrating body to the ground plane is suppressed, and movement of the vibrating body is prevented.
第一の防振弾性体はその下端側において第二の防振弾性
体の上面側に固定されており、また、接地面には第二の
防振弾性体の下端面が接触するので、第一の防振弾性体
及び第二の防振弾性体の摩耗が抑制される。The first vibration-proof elastic body is fixed at its lower end to the upper surface side of the second vibration-proof elastic body, and the lower end surface of the second vibration-proof elastic body is in contact with the ground plane. Wear of the first vibration-proofing elastic body and the second vibration-proofing elastic body is suppressed.
［実施例］ 以下、この発明を図面の実施例について説明する。[Example] Hereinafter, the present invention will be described with reference to embodiments shown in the drawings.
第１図において、第一の防振弾性体としての第一の防振
ゴム２６は１円筒状の筒部２８と、この筒部２８の上端
側につながる上端面部３０と、筒部２８の下端面に形成
された膨出突起３２とを有している。膨出突起３２は筒
部２８への結合部において径を縮小された首を有してい
る。上端面部３０の中心孔には円筒状のカラー１６が貫
挿され、ボルト１８は、第一の防振ゴム２６の下端側か
ら挿入されて、カラー１６及び振動体２０のボルト孔を
貫通し、上端においてナツト２２を螺着されている。ボ
ルト１８の頭部とナツト２２との締め付けにより第一の
防振ゴム２６は振動体２０の下端側に固定される。第二
の防振弾性体としての円筒状の第二の防振ゴム３４は、
その上端において雌雄の嵌合により第一の防振ゴム２６
の膨出突起３２に着脱自在に結合するる凹所３６を有し
、下端面において接地面２４に接地される。凹所３６の
開口部は径を縮小されており、膨出突起３２は、凹所３
６の開口部の弾性的な拡張により凹所３６内へ嵌入され
た後、凹所３６の開口部の復元により首を締められ、凹
所３６に係止される。第一の防振ゴム２６及び第二の防
振ゴム３４の硬度は相違しており、第一の防振ゴム２６
の硬度は低く、すなわち軟らかく。In FIG. 1, a first vibration isolating rubber 26 as a first vibration isolating elastic body has a cylindrical tube portion 28, an upper end surface portion 30 connected to the upper end side of this tube portion 28, and a bottom portion of the tube portion 28. It has a bulging protrusion 32 formed on the end surface. The bulging protrusion 32 has a neck whose diameter is reduced at its connection to the cylindrical portion 28 . A cylindrical collar 16 is inserted into the center hole of the upper end surface portion 30, and a bolt 18 is inserted from the lower end side of the first vibration isolating rubber 26 and passes through the bolt hole of the collar 16 and the vibrating body 20. A nut 22 is screwed onto the upper end. By tightening the head of the bolt 18 and the nut 22, the first vibration isolating rubber 26 is fixed to the lower end side of the vibrating body 20. The cylindrical second vibration isolating rubber 34 as the second vibration isolating elastic body is
At its upper end, the first vibration isolating rubber 26 is formed by fitting the male and female parts together.
It has a recess 36 that is detachably connected to the bulging protrusion 32, and is grounded to the ground surface 24 at the lower end surface. The diameter of the opening of the recess 36 is reduced, and the bulging protrusion 32
After being fitted into the recess 36 by elastic expansion of the opening of the recess 36, the neck is tightened and locked in the recess 36 by the restoration of the opening of the recess 36. The first vibration-proof rubber 26 and the second vibration-proof rubber 34 have different hardnesses, and the first vibration-proof rubber 26
The hardness of is low, that is, it is soft.
第二の防振ゴム３４の硬度は高く、すなわち硬くなって
いる。The second anti-vibration rubber 34 has high hardness, that is, it is hard.
実施例の作用について説明する。振動体２０の振動は軟
らかい第一の防振ゴム２６により吸収される。The operation of the embodiment will be explained. The vibrations of the vibrating body 20 are absorbed by the soft first vibration isolating rubber 26.
これにより振動体２０からの振動伝達及び接地面２４に
対する振動体２０の移動が抑制される。接地面２４には
硬い第二の防振ゴム３４が接しているので、第二の防振
ゴム３４の摩耗は少ない。また、第一の防振ゴム２６と
第二の防振ゴム３４との間には相対的な摺動が生じない
ので、第一の防振ゴム２６の摩耗が問題になることはな
い。This suppresses vibration transmission from the vibrating body 20 and movement of the vibrating body 20 with respect to the ground plane 24. Since the hard second anti-vibration rubber 34 is in contact with the ground plane 24, the second anti-vibration rubber 34 suffers little wear. Moreover, since there is no relative sliding between the first vibration-proof rubber 26 and the second vibration-proof rubber 34, wear of the first vibration-proof rubber 26 does not become a problem.
第２図は第１図の第二の防振ゴム３４の変形例としての
第二の防振ゴム３４ｂを示しており、第二の防振ゴム３
４ｂは、内径を縮小され、かつ外径を拡大されている。FIG. 2 shows a second anti-vibration rubber 34b as a modification of the second anti-vibration rubber 34 in FIG.
4b has a reduced inner diameter and an enlarged outer diameter.
これにより接地面２４との第二の防振ゴム３４ｂの接触
面積を増大することができる。Thereby, the contact area of the second vibration isolating rubber 34b with the ground plane 24 can be increased.
第３図は第１図の第二の防振ゴム３４の変形例としての
第二の防振ゴム３４ｃを示しており、第二の防振ゴム３
４ｃの周壁の縦断面はたる状に形成されている。FIG. 3 shows a second vibration isolator 34c as a modification of the second vibration isolator 34 in FIG.
The vertical cross section of the peripheral wall 4c is shaped like a barrel.
第二の防振ゴム３４については、寸法（高さ及び径）、
形状及び振動吸収特性の異なる種々のものがあらかじめ
用意され、それらの内から状況に応じて適切なものが選
択されて、それを第一の防振ゴム２６に固定したり、今
までの第二の防振ゴム３４と交換することが可能である
。Regarding the second anti-vibration rubber 34, dimensions (height and diameter),
Various types of rubber with different shapes and vibration absorption characteristics are prepared in advance, and an appropriate one is selected depending on the situation, and it is fixed to the first vibration isolating rubber 26 or used as a second vibration damping rubber. It is possible to replace it with the anti-vibration rubber 34.
なお、実施例では、第一の防振ゴム２６及び第二の防振
ゴム３４にそれぞれ膨出突起３２及び凹所３６を設けて
いるが、膨出突起３２及び凹所３６をそれぞれ第二の防
振ゴム３４及び第一の防振ゴム２６に設けることも可能
である。In the embodiment, the first anti-vibration rubber 26 and the second anti-vibration rubber 34 are provided with the protrusion 32 and the recess 36, respectively. It is also possible to provide the anti-vibration rubber 34 and the first anti-vibration rubber 26.
［発明の効果］
このように、この発明によれば、防振装置が、硬度のそ
れぞれ低い及び高い上側及び下側の第一の防振弾性体及
び第二の防振弾性体とを有する。[Effects of the Invention] As described above, according to the present invention, the vibration isolating device includes the first vibration isolating elastic body and the second vibration isolating elastic body on the upper and lower sides, which have low and high hardness, respectively.
したがって、接地面には第二の防振弾性体が接触して、
摩耗が抑制され、また他方では、振動体の振動の吸収は
第一の防振弾性体により行なわれて、接地面の方への振
動伝達の抑制及び振動体の静止保持を図ることができる
。Therefore, the second vibration-proof elastic body contacts the ground plane,
Wear is suppressed, and on the other hand, vibrations of the vibrating body are absorbed by the first vibration-proof elastic body, making it possible to suppress vibration transmission to the ground plane and to hold the vibrating body stationary.
第１図はこの発明の実施例の構造図、第２図及び第３図
はともに第１図の第二の防振ゴムの変形例を示す断面図
、第４図は従来の防振装置の構造図である。
２０・・・振動体、２４・・・接地面、２６・・・第一
の防振ゴム（第一の防振弾性体）、３４゜３４ｂ、３４
ｃ・・・第二の防振ゴム（第二の防振弾性体）。
第１図
第２図
手糸売ネ市正書（自発）
昭和６１年１１月２５日
特許庁長官 黒 １）明 ａ 殿
１、事件の表示
昭和６１年特許願第２２９８４９号
２、発明の名称
防振装置
３、補正をする者
事件との関係 特許出願人
名 称 株式会社丸山製作所
４、代理人
５、補正の対象
明細書の発明の詳細な説明の瀾
（６，補正の内容）
明細書中
第５頁第２行の「結合するる凹所」を次のとおり訂正す
る
「結合する凹所ＪFig. 1 is a structural diagram of an embodiment of the present invention, Figs. 2 and 3 are both sectional views showing a modification of the second vibration isolating rubber shown in Fig. 1, and Fig. 4 is a structural diagram of a conventional vibration isolating device. It is a structural diagram. 20... Vibrating body, 24... Ground plane, 26... First vibration isolating rubber (first vibration isolating elastic body), 34° 34b, 34
c...Second anti-vibration rubber (second anti-vibration elastic body). Figure 1 Figure 2 Teitouri Ne Ichisho (self-proposal) November 25, 1986 Commissioner of the Patent Office Black 1) Ming a Tono 1, Indication of the incident 1986 Patent Application No. 229849 2, Title of the invention Vibration isolating device 3, relationship with the case of the person making the amendment Patent applicant name Maruyama Seisakusho Co., Ltd. 4, agent 5, detailed description of the invention in the specification subject to amendment (6, content of amendment) In the specification In the second line of page 5, “Joining recess” is corrected as follows: “Joining recess J
Claims (4)
性体と、この第一の防振弾性体の下面に着脱自在に固定
され下面において接地面に接触し硬度が高い第二の防振
弾性体とを有してなることを特徴とする防振装置。(1) A first vibration-proof elastic body that is fixed to the lower surface of the vibrating body and has low hardness, and a second vibration-proof elastic body that is removably fixed to the lower surface of the first vibration-proof elastic body and has a high hardness that contacts the ground surface on the lower surface. A vibration isolating device comprising: a vibration isolating elastic body.
は雌雄の嵌合により互いに固定されていることを特徴と
する特許請求の範囲第１項記載の防振装置。(2) The vibration isolating device according to claim 1, wherein the first vibration isolating elastic body and the second vibration isolating elastic body are fixed to each other by male and female fitting.
はゴムからなることを特徴とする特許請求の範囲第１項
記載の防振装置。(3) The vibration isolating device according to claim 1, wherein the first vibration isolating elastic body and the second vibration isolating elastic body are made of rubber.
から選択されたものが前記第一の防振弾性体に固定され
ることを特徴とする特許請求の範囲第１項記載の防振装
置。(4) A second vibration-proof elastic body selected from various second vibration-proof elastic bodies having different sizes and shapes is fixed to the first vibration-proof elastic body. Anti-vibration device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22984986A JPS6388344A (en) | 1986-09-30 | 1986-09-30 | Vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22984986A JPS6388344A (en) | 1986-09-30 | 1986-09-30 | Vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6388344A true JPS6388344A (en) | 1988-04-19 |
Family
ID=16898647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22984986A Pending JPS6388344A (en) | 1986-09-30 | 1986-09-30 | Vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6388344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178270U (en) * | 1988-06-06 | 1989-12-20 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4886380A (en) * | 1972-02-15 | 1973-11-14 | ||
| JPS5838047B2 (en) * | 1981-01-02 | 1983-08-20 | ウエスチングハウス エレクトリック コ−ポレ−ション | gas insulated power line |
-
1986
- 1986-09-30 JP JP22984986A patent/JPS6388344A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4886380A (en) * | 1972-02-15 | 1973-11-14 | ||
| JPS5838047B2 (en) * | 1981-01-02 | 1983-08-20 | ウエスチングハウス エレクトリック コ−ポレ−ション | gas insulated power line |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01178270U (en) * | 1988-06-06 | 1989-12-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5834271B2 (en) | Vibrating tool handle vibration isolator | |
| US20150323029A1 (en) | Tubular vibration-damping device | |
| US6435490B1 (en) | Dual hemisphere elastomer mount | |
| JPS6388344A (en) | Vibration isolator | |
| JPH06264968A (en) | Engine mount for vehicle | |
| JPH0285529A (en) | Damper for resilient support mount | |
| GB2100832A (en) | Vibration absorber in motor vehicle transmission | |
| JP2001165220A (en) | Vibration control device | |
| GB2326234B (en) | A vibration damper assembly for a vibrating structure gyroscope resonator | |
| JP2008185153A (en) | Vibration isolation device | |
| JPH03586Y2 (en) | ||
| JP2578068Y2 (en) | Air spring type vibration isolator | |
| JPH03140641A (en) | Vibration isolating bush | |
| JPH018753Y2 (en) | ||
| JP2000142463A (en) | Body mount | |
| JP2000043528A (en) | Bound bumper | |
| JPH0415331A (en) | Vibrationproof mount | |
| JPS608202Y2 (en) | Vibration isolating device for the handle attachment part of a brush cutter | |
| KR200235183Y1 (en) | Dual mode dustproof structure of automobile drive shaft | |
| JPH08170690A (en) | Floating rubber | |
| JP2018017292A (en) | Antivibration device | |
| JP2008075735A (en) | Vibration absorbing device | |
| JPH0680043U (en) | Dynamic damper | |
| JPH0543242Y2 (en) | ||
| JPS5938484Y2 (en) | Titanpa vibration isolator |