JPS60172772A - Flexible boot - Google Patents
Flexible bootInfo
- Publication number
- JPS60172772A JPS60172772A JP59024511A JP2451184A JPS60172772A JP S60172772 A JPS60172772 A JP S60172772A JP 59024511 A JP59024511 A JP 59024511A JP 2451184 A JP2451184 A JP 2451184A JP S60172772 A JPS60172772 A JP S60172772A
- Authority
- JP
- Japan
- Prior art keywords
- flexible boot
- flexible
- boot
- crest parts
- outer peripheral
- 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
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/04—Bellows
- F16J3/041—Non-metallic bellows
- F16J3/043—Non-metallic bellows with particular means for limiting wear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
Abstract
Description
【発明の詳細な説明】 本発明はフレキシブルブーツに関する。[Detailed description of the invention] FIELD OF THE INVENTION The present invention relates to flexible boots.
第１図に示すようにフレキシブルブーツ２は等速ジ、イ
ンド、ステアリング機構等の潤滑用グリースを保持し、
かつ外部からのダストや水等の侵入を防止するために使
用される。フレキシブルブーツ２は、クランｆ４．４’
によりジヨイント５の外輪６及び軸８に固着されてお夛
、軸８に追随し曲げ及び／又は捩れが生ずる。フレキシ
ブルブーツ２に曲げ及び／又は捩れが生ずるとその外周
面同志が接触し相互に摩擦力が働く。フレキシブルブー
ツ２は天然ゴム又は合成ゴムによ多構成されてお９、曲
げ及び／又は捩れた状態で高速度目−転するとフレキシ
ツルブーツ２は破損してしまう。As shown in FIG. 1, the flexible boot 2 holds grease for lubricating the constant velocity steering, steering, steering mechanisms, etc.
It is also used to prevent dust, water, etc. from entering from the outside. Flexible boots 2 are Clan f4.4'
As a result, the joint 5 is fixed to the outer ring 6 and the shaft 8, and bends and/or twists following the shaft 8. When the flexible boot 2 is bent and/or twisted, its outer peripheral surfaces come into contact with each other and a frictional force is exerted on each other. The flexible boot 2 is made of natural rubber or synthetic rubber, and if rolled at high speed while being bent and/or twisted, the flexible boot 2 will be damaged.
これを防止するため、外周面に熱収縮性部材を被覆し補
強層を形成したフレキシブルブーツを使うことが知られ
ている。しかし、この場合、補強層を一定にフレキシブ
ルブーツ本体に密着させることが困難であシ、また、逆
に補強層のためフレキシブルブーツの伸縮性が低下して
、フレキシブルブーツの機能を損なってしまう。In order to prevent this, it is known to use a flexible boot whose outer peripheral surface is coated with a heat-shrinkable material to form a reinforcing layer. However, in this case, it is difficult to keep the reinforcing layer in constant contact with the flexible boot body, and conversely, the reinforcing layer reduces the elasticity of the flexible boot, impairing its functionality.
そこで、フレキシブルブーツ外周面の摩擦抵抗を減らす
ために、第２図に示した如く、フレキシブルブーツ２の
本体１０の外周表面全体に植毛１２を施すことが提案さ
れている。Therefore, in order to reduce the frictional resistance on the outer circumferential surface of the flexible boot, it has been proposed to apply flocking 12 to the entire outer circumferential surface of the main body 10 of the flexible boot 2, as shown in FIG.
しかしながら、この様に外周表面全体に植毛を施すと、
植毛全体の耐久性が劣化し、しかも、ブーツ凹所をなす
谷部１４は、外周表面同志が摩擦することがないため、
植毛の効果が得られず、寧了谷部１４の柔軟性が失なわ
れるために、フレキシブルブーツの伸縮性が損なわれる
という欠点があったＯ
本発明は従来のフレキシブルブーツのかかる欠点を改良
することを目的としてなされたものである。本発明のフ
レキシブルシーツは外周表面のうち山部のみに短繊維を
植毛したことを特徴とするフレキシブルブーツである。However, when the entire outer peripheral surface is implanted in this way,
The durability of the flock as a whole deteriorates, and in addition, the outer peripheral surfaces of the troughs 14 forming the boot recesses do not rub against each other.
There was a drawback that the elasticity of the flexible boots was impaired because the effect of flocking could not be obtained and the flexibility of the valley part 14 was lost.The present invention improves this drawback of conventional flexible boots. It was done for that purpose. The flexible sheet of the present invention is a flexible boot characterized by having short fibers flocked only on the peaks of the outer peripheral surface.
短繊維材料としては、たとえばナイロン、ポリエステル
、レーヨンが好ましい。その長さは０．２〜１０■、デ
ニールは１．０〜３０が好ましい。Preferred short fiber materials include, for example, nylon, polyester, and rayon. Its length is preferably 0.2 to 10 cm, and its denier is preferably 1.0 to 30.
この発明のフレキシブルブーツの製造はたとえば次のよ
うに行なう。第２図に基づいて説明する。The flexible boots of the present invention are manufactured, for example, as follows. This will be explained based on FIG.
１ずフレキシブルブーツ本体２０の外周表面のうち山部
２２のみをプライマー処理する。該処理方法としては紫
外線処理方法や、トリクロロイソシアヌール酸２１）メ
チレンクロライド溶液による酸洗方法がある。次いでこ
の山部１６に接着剤２４を塗布する。接着剤としてはウ
レタン系、アクリル系、ゴム系が好ましい。また膜厚は
０１〜０．６ ｔｍが好ましい。接着剤塗布後、短繊維
２６全植毛し、次いで硬化させる。硬化条件としては１
４０〜ｂ
以上の方法のほかに、機械的方法によって植毛してもよ
い。First, only the crests 22 of the outer peripheral surface of the flexible boot body 20 are treated with a primer. The treatment method includes an ultraviolet treatment method and a pickling method using a trichloroisocyanuric acid (21) methylene chloride solution. Next, adhesive 24 is applied to this peak 16. As the adhesive, urethane-based, acrylic-based, and rubber-based adhesives are preferred. Further, the film thickness is preferably 01 to 0.6 tm. After applying the adhesive, all 26 short fibers are flocked and then hardened. The curing conditions are 1
40-b In addition to the above methods, hair transplantation may be performed using a mechanical method.
本発明は以上のように構成したので伸縮性を損なうこと
なく耐摩耗性を向上させることができた。Since the present invention is constructed as described above, the abrasion resistance can be improved without impairing elasticity.
実施例
ジョイン） ５’ｉＨ４０°曲げた状態で６ Ｏｒ、ｐ
、ｍの回転を与えた。Example join) 5'iH 40° bent state 6 Or, p
, gave a rotation of m.
フレキシブルブーツ本体の外周表面の山部に植毛した本
発明のフレキシブルブーツと、無植毛の従来のフレキシ
ブルブーツをそれぞれ第１図に示すように取付けた。A flexible boot of the present invention in which the crests of the outer circumferential surface of the flexible boot body were flocked and a conventional flexible boot without flocking were attached as shown in FIG. 1, respectively.
無植毛のものは、２５〜３０時間で山と山との間に摩耗
會きたした。In the non-flocked product, wear occurred between the peaks in 25 to 30 hours.
本発明のフレキシブルブーツは５００時間経過後でも摩
耗は生じていなかった。The flexible boots of the present invention showed no wear even after 500 hours.
第１図はフレキシブルブーツの使用状態金示す断面図で
ある。第２図は従来例のフレキシブルブーツを示す断面
図である。第３図は本発明のフレキシブルブーツを示す
断面図である。
２・・・フレキシブルブーツ、４ 、４’・・・フラン
ジ、５・・・ジヨイント、６・・・外輪、８・・・軸、
１０．２０・・・フレキシブルブーツ本体、１２．２６
・・・植毛、１４・・・谷部、２２・・・山部、２４・
・・接着剤、２６・・・短繊維。
第 １ 図
第 ２ 図
４FIG. 1 is a sectional view showing the flexible boot in use. FIG. 2 is a sectional view showing a conventional flexible boot. FIG. 3 is a sectional view showing the flexible boot of the present invention. 2... Flexible boot, 4, 4'... Flange, 5... Joint, 6... Outer ring, 8... Shaft,
10.20...Flexible boots body, 12.26
...Fleet, 14...Tanibe, 22...Yamabe, 24.
...Adhesive, 26...short fiber. Figure 1 Figure 2 Figure 4
Claims (1)
とするフレキシブルブーツ。Flexible boots characterized by short fibers being flocked only on the peaks of the outer circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59024511A JPS60172772A (en) | 1984-02-14 | 1984-02-14 | Flexible boot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59024511A JPS60172772A (en) | 1984-02-14 | 1984-02-14 | Flexible boot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60172772A true JPS60172772A (en) | 1985-09-06 |
Family
ID=12140192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59024511A Pending JPS60172772A (en) | 1984-02-14 | 1984-02-14 | Flexible boot |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60172772A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04136566A (en) * | 1989-12-11 | 1992-05-11 | Giichi Kuze | Shaft seal rubber seal bellows and manufacture thereof |
| US5292487A (en) * | 1991-04-16 | 1994-03-08 | Sumitomo Electric Industries, Ltd. | Czochralski method using a member for intercepting radiation from raw material molten solution and apparatus therefor |
| US11739790B2 (en) * | 2016-01-26 | 2023-08-29 | Zf Friedrichshafen Ag | Ball joint for a vehicle, in particular for an off-road vehicle |
-
1984
- 1984-02-14 JP JP59024511A patent/JPS60172772A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04136566A (en) * | 1989-12-11 | 1992-05-11 | Giichi Kuze | Shaft seal rubber seal bellows and manufacture thereof |
| US5292487A (en) * | 1991-04-16 | 1994-03-08 | Sumitomo Electric Industries, Ltd. | Czochralski method using a member for intercepting radiation from raw material molten solution and apparatus therefor |
| US5429067A (en) * | 1991-04-16 | 1995-07-04 | Sumitomo Electric Industries, Ltd. | Czochralski method using a member for intercepting radiation from a raw material molten solution |
| US11739790B2 (en) * | 2016-01-26 | 2023-08-29 | Zf Friedrichshafen Ag | Ball joint for a vehicle, in particular for an off-road vehicle |
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