JPH0348445Y2 - - Google Patents
Info
- Publication number
- JPH0348445Y2 JPH0348445Y2 JP1984023900U JP2390084U JPH0348445Y2 JP H0348445 Y2 JPH0348445 Y2 JP H0348445Y2 JP 1984023900 U JP1984023900 U JP 1984023900U JP 2390084 U JP2390084 U JP 2390084U JP H0348445 Y2 JPH0348445 Y2 JP H0348445Y2
- Authority
- JP
- Japan
- Prior art keywords
- dust boot
- bellows
- shoulder
- dust
- joint
- 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.)
- Expired
Links
- 239000000428 dust Substances 0.000 claims description 29
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
Landscapes
- Sealing Devices (AREA)
- Diaphragms And Bellows (AREA)
- Pivots And Pivotal Connections (AREA)
Description
【考案の詳細な説明】
本考案はダストブーツに関するものである。さ
らに詳しくは車両用継手あるいは産業用機器およ
び家庭用機器の継手を密閉して外部からの泥、
水、埃あるいは小石の飛来等から守るためのダス
トブーツに関する。[Detailed Description of the Invention] The present invention relates to a dust boot. For more details, seal joints for vehicles, industrial equipment, and household equipment to prevent mud from entering the room.
Relates to dust boots for protection from flying water, dust, pebbles, etc.
車両用継手あるいは産業用機器および家庭用機
器の継手は、その継手部を中心にして屈曲と回転
とを行うのが一般的である。この継手部は、外部
の泥、水、埃あるいは小石の飛来等から継手部分
を守るためにダストブーツで密閉されている。従
来このダストブーツには蛇腹構造をその胴部に設
け、固着端部に連なる肩部は単なる曲面にて構成
されたものが使用される。しかし、このダストブ
ーツでは、継手の屈曲に対しては変位を吸収しう
るが、回転に対しては満足に吸収しうるものでは
なかつた。つまり継手の一方のロツドと他方のロ
ツドが回転すると、ダストブーツの蛇腹部分が捩
じれて山が陥没して美感を損うという欠点を有し
ていた。さらにこの陥没した部分は、使用を続け
るにつれて、この部分から亀裂が発生し実質的に
シールする機能を失うという欠点を有していた。 2. Description of the Related Art Joints for vehicles, industrial equipment, and household equipment generally bend and rotate around the joint. This joint is sealed with a dust boot to protect it from external dirt, water, dust, or flying stones. Conventionally, this dust boot has been provided with a bellows structure on its body, and the shoulder section connected to the fixed end section is simply a curved surface. However, although this dust boot can absorb displacement from bending of the joint, it cannot satisfactorily absorb rotation. In other words, when one rod of the joint rotates and the other rod rotates, the bellows portion of the dust boot is twisted, causing the peak to cave in, resulting in an unsightly appearance. Furthermore, this depressed portion has the disadvantage that as use continues, cracks develop from this portion and the sealing function is essentially lost.
そこで本考案は、ロツド間の回転変位に対して
も充分に吸収し、かつ屈曲変位に対しても同時に
吸収しうるダストブーツを提供するものである。 Therefore, the present invention provides a dust boot that can sufficiently absorb rotational displacement between rods and can also absorb bending displacement at the same time.
本考案はこの点に鑑み創案されたもので、以下
図面に基づき詳しく説明する。 The present invention was devised in view of this point, and will be explained in detail below based on the drawings.
第１図は、本考案に係るダストブーツの全体斜
視図、第２図は車両用継手にダストブーツが装着
された状態を示す断面図であり、第３図はダスト
ブーツを上方より見た平面図、第４図は肩部の蛇
腹面の形状を示す断面図である。ダストブーツ１
は、胴部２と肩部３と固着端部４，５より構成さ
れる。一方の固着端部４は、上記胴部２より外径
が小さい。胴部２は、両固着端部４，５の中心を
結ぶ直線Ａを蛇腹構造の中心軸とする蛇腹部６を
有し、肩部３は固着端部４から外方へ向けて放射
状に広がる蛇腹面７を有する。蛇腹面７は、隣り
合う傾斜辺８ａ，８ｂより構成され、これらは互
いに不等長で斜辺の長い傾斜辺８ａと斜辺の短い
傾斜辺８ｂとが交互に設けられている。 FIG. 1 is an overall perspective view of the dust boot according to the present invention, FIG. 2 is a sectional view showing the dust boot attached to a vehicle joint, and FIG. 3 is a plan view of the dust boot from above. 4 are cross-sectional views showing the shape of the bellows surface of the shoulder portion. dust boots 1
is composed of a body part 2, a shoulder part 3, and fixed end parts 4 and 5. One fixed end portion 4 has a smaller outer diameter than the body portion 2 . The body part 2 has a bellows part 6 whose central axis is a straight line A connecting the centers of both fixed ends 4 and 5, and the shoulder part 3 extends radially outward from the fixed end part 4. It has a bellows surface 7. The bellows surface 7 is composed of adjacent inclined sides 8a and 8b, which have unequal lengths and are alternately provided with long oblique sides 8a and short oblique sides 8b.
第２図に示すように本考案のダストブーツ１
は、継手１１を密閉するよう固着端部４，５がロ
ツド１２，１３に密着するようにバンド１４にて
締付けられている。継手１１は一方のロツド１２
と他方のロツド１３を係合しており、Ｐ方向に屈
曲することができかつＱ方向に回転（最大180゜）
することもできる。 As shown in Fig. 2, the dust boot 1 of the present invention
is tightened with a band 14 so that the fixed ends 4, 5 are in close contact with the rods 12, 13 so as to seal the joint 11. The joint 11 is connected to one rod 12
and the other rod 13, and can be bent in the P direction and rotated in the Q direction (up to 180°).
You can also.
本考案のダストブーツは、継手１１のＰ方向の
屈曲に対しては、蛇腹部６の収縮・伸長にてその
変位を吸収することができる。さらに継手１１の
Ｑ方向の回転に対しては肩部３の蛇腹面７にてそ
の変位を吸収することができるのである。この時
に肩部３の蛇腹面７がその蛇腹を構成する隣り合
う傾斜辺８ａ，８ｂが不等長であれば、短い傾斜
辺８ｂ方向にのみ変位する回転に対してダストブ
ーツが変位を特に吸収しやすく、回転角度も大き
い角度を吸収することができる。また、隣り合う
傾斜辺が等長である場合は、回転変位を吸収する
方向に方向性がないので回転する方向が装着され
た位置を中心にして両方向に回転（±45゜）する
場合に特に効果的であり、傾斜辺を等長するか不
等長とするかは任意に選択できる。 The dust boot of the present invention can absorb the bending of the joint 11 in the P direction by contraction and expansion of the bellows part 6. Furthermore, the displacement of the rotation of the joint 11 in the Q direction can be absorbed by the bellows surface 7 of the shoulder portion 3. At this time, if the bellows surface 7 of the shoulder part 3 has unequal lengths on the adjacent inclined sides 8a and 8b that constitute the bellows, the dust boot will particularly absorb the displacement when the rotation is displaced only in the direction of the short inclined side 8b. It is easy to rotate and can absorb large rotation angles. In addition, if the adjacent inclined sides are of equal length, there is no directionality in the direction in which rotational displacement is absorbed. This is effective, and it is possible to arbitrarily select whether the inclined sides are of equal or unequal length.
本考案のダストブーツの材質は特に限定される
ものではないが、特に合成ゴム、天然ゴムのゴム
類。ポリウレタン系エラストマー、ポリエステル
系エラストマー、スチレン−ブタジエン系エラス
トマー、ポリオレフイン系エラストマー、ポリア
ミド系エラストマー等の熱可塑性エラストマー、
さらには軟質ポリ塩化ビニル、低密度ポリエチレ
ン樹脂、エチレン−ビニル共重合体等の軟質材に
て構成するのが望ましい。 The material of the dust boots of the present invention is not particularly limited, but especially synthetic rubber and natural rubber. Thermoplastic elastomers such as polyurethane elastomers, polyester elastomers, styrene-butadiene elastomers, polyolefin elastomers, polyamide elastomers,
Furthermore, it is preferable to use a soft material such as soft polyvinyl chloride, low density polyethylene resin, or ethylene-vinyl copolymer.
本考案のダストブーツは上記した継手類のみに
その使用形態を限定するものではない。その機能
が屈曲と回転とを有する機械であれば、例えば産
業用ロボツトの腕等の機械のダストブーツにも充
分使用できるものである。 The usage of the dust boot of the present invention is not limited to the above-mentioned joints. As long as the function is bending and rotation, it can be sufficiently used for dust boots of machines such as the arms of industrial robots.
本考案の固着端部は、ダストブーツの両端が実
質的に動かないように固定されていればよく実施
例で示したバンドによる締付けの他、嵌合、係合
等の固着あるいは密閉せずに数箇所で固着するこ
ともできる。 The fixed ends of the present invention may be fixed so that both ends of the dust boot do not move substantially, in addition to tightening with a band as shown in the embodiment, without fixing or sealing by fitting, engaging, etc. It can also be fixed in several places.
本考案の肩部は、蛇腹面を有し、この部分で回
転変位を吸収する。上記実施例では肩部は一方の
固着端部に連設して胴部の片方にだけ設けられて
いたが、この肩部を胴部をはさんで両方に設ける
ことも可能である。 The shoulder portion of the present invention has a bellows surface, and this portion absorbs rotational displacement. In the embodiments described above, the shoulder portion was provided on only one side of the body part, connected to one of the fixed ends, but it is also possible to provide this shoulder portion on both sides of the body part.
本考案は、胴部と肩部と固着端部より形成され
たダストブーツにおいて、該胴部が蛇腹構造を有
しかつ該肩部が固着端部から外方に向けて放射状
に広がる傾斜辺を交互に連設した蛇腹面を有する
ことを特徴とするダストブーツであるので、継手
のロツド間の回転変位に対しても蛇腹の変形及び
陥没を起すことなく充分に吸収しかつ屈曲変位に
対しても同時に吸収できるのであり、さらには陥
没による亀裂の発生をも防止できるのである。 The present invention provides a dust boot formed of a torso, a shoulder, and a fixed end, in which the torso has a bellows structure, and the shoulder has sloped sides that radiate outward from the fixed end. Since the dust boot is characterized by having bellows surfaces that are arranged in a row in an alternating manner, it can sufficiently absorb rotational displacement between the rods of the joint without causing deformation or collapse of the bellows, and can also resist bending displacement. At the same time, it is also possible to absorb water and prevent cracks from occurring due to cave-ins.
第１図は本考案のダストブーツの全体側面図、
第２図はダストブーツを車両用継手に装着した状
態を示す断面図、第３図は第１図のダストブーツ
を上方より見た平面図、第４図は第１図の蛇腹面
の形状を示す断面図である。
１……ダストブーツ、２……胴部、３……肩
部、７……蛇腹面、１１……継手。
Figure 1 is an overall side view of the dust boot of the present invention.
Figure 2 is a sectional view showing the dust boot attached to a vehicle joint, Figure 3 is a plan view of the dust boot in Figure 1 seen from above, and Figure 4 shows the shape of the bellows surface in Figure 1. FIG. 1... Dust boots, 2... Torso, 3... Shoulder, 7... Bellows surface, 11... Joint.
Claims (1)
ブーツにおいて、該胴部が蛇腹構造を有しかつ
該肩部が固着端部から外方に向けて放射状に広
がる傾斜辺を交互に連設した蛇腹面を有するこ
とを特徴とするダストブーツ。 ２ 肩部は、隣り合う傾斜辺が不等長に形成され
た蛇腹面を有することを特徴とる実用新案登録
請求の範囲第１項記載のダストブーツ。[Claims for Utility Model Registration] 1. A dust boot formed of a torso, a shoulder, and a fixed end, in which the torso has a bellows structure, and the shoulder extends radially outward from the fixed end. A dust boot characterized by having a bellows surface with alternating sloping sides that spread out. 2. The dust boot according to claim 1, wherein the shoulder portion has a bellows surface in which adjacent inclined sides are formed to have unequal lengths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390084U JPS60137270U (en) | 1984-02-23 | 1984-02-23 | dust boots |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2390084U JPS60137270U (en) | 1984-02-23 | 1984-02-23 | dust boots |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60137270U JPS60137270U (en) | 1985-09-11 |
| JPH0348445Y2 true JPH0348445Y2 (en) | 1991-10-16 |
Family
ID=30517556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2390084U Granted JPS60137270U (en) | 1984-02-23 | 1984-02-23 | dust boots |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60137270U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014211182A (en) * | 2013-04-18 | 2014-11-13 | Nok株式会社 | Dust cover for ball joint |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594037B2 (en) * | 1979-04-12 | 1984-01-27 | 日本電信電話株式会社 | mechanical digging shield |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594037U (en) * | 1982-06-28 | 1984-01-11 | 日野自動車株式会社 | Transmission control boots |
-
1984
- 1984-02-23 JP JP2390084U patent/JPS60137270U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS594037B2 (en) * | 1979-04-12 | 1984-01-27 | 日本電信電話株式会社 | mechanical digging shield |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60137270U (en) | 1985-09-11 |
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