JP2017203475A - Rust preventive cap for bolts/nuts - Google Patents
Rust preventive cap for bolts/nuts Download PDFInfo
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- JP2017203475A JP2017203475A JP2016094294A JP2016094294A JP2017203475A JP 2017203475 A JP2017203475 A JP 2017203475A JP 2016094294 A JP2016094294 A JP 2016094294A JP 2016094294 A JP2016094294 A JP 2016094294A JP 2017203475 A JP2017203475 A JP 2017203475A
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 230000003449 preventive effect Effects 0.000 title claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000002265 prevention Effects 0.000 claims description 22
- 239000003795 chemical substances by application Substances 0.000 abstract description 13
- 238000002347 injection Methods 0.000 abstract description 12
- 239000007924 injection Substances 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000000243 solution Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Abstract
Description
本発明はボルト・ナットの防錆キャップに関する。 The present invention relates to a rust prevention cap for bolts and nuts.
機械産業、建設業等では多くのボルト・ナットが使用されているが、その締結機能を保持するために腐食の防止、抑制が大きな課題である。特に、ボルト・ナットが外気等の腐食環境にさらされた状態で使用される場合、その重要性はさらに増大する。 Many bolts and nuts are used in the machine industry, the construction industry, etc., but the prevention and control of corrosion is a major issue in order to maintain the fastening function. In particular, when the bolts and nuts are used in a state where they are exposed to a corrosive environment such as the outside air, the importance is further increased.
従来からこの課題に対応するために多くの方式が提案されてきた。締結部にキャップを取り付けて腐食を防止する方式も一般に使用されている。例えば、締結部に樹脂系のキャップを固定する方式やキャップを専用のボルトで固定する方式である。しかし、樹脂系のキャップは固定が甘く、外れたり割れたりすることがあり、専用のボルトでキャップを固定する方式はその固定用ボルトが腐食してしまうという問題があった。 Conventionally, many methods have been proposed to deal with this problem. A method of preventing corrosion by attaching a cap to the fastening portion is also generally used. For example, there are a method of fixing a resin cap to the fastening portion and a method of fixing the cap with a dedicated bolt. However, the resin-based cap is not fixed easily and may be detached or cracked, and the method of fixing the cap with a dedicated bolt has a problem that the fixing bolt is corroded.
また、特許文献１には、橋梁，鉄橋，鋼構造物等のボルト部およびナット部に嵌合する耐腐食性金属被覆プラスチック製防錆キャップに関し、防食効果を発揮することのできる防錆キャップが記載されている。 Patent Document 1 discloses a rust-proof cap that can exhibit a corrosion-proof effect with respect to a corrosion-resistant metal-coated plastic rust-proof cap that is fitted to bolts and nuts of bridges, steel bridges, steel structures, and the like. Have been described.
しかしながら、特許文献１の装置はボルト・ナットに対して防錆キャップを嵌合させて、キャップの内部を発泡体で充満させる方式であり、装置が複雑で製作、取り付けが困難であるという問題があった。
本発明は、締結部の座面の安定を目的としてボルト・ナットに挟み込んで使用される座金に着目し、この座金を利用して座金より上部を一体化した防錆キャップをボルト・ナットの締結部に固定する方式としたものである。この防錆キャップに注入口と空気抜き口を設けることで注入剤を注入し防錆を実現する。
本発明は、構造が単純で製作、取り付けが容易であり、現在使用中のボルト・ナットに合わせて製作し取り付けることも可能な応用範囲の広い防錆キャップを提供することを課題とする。
However, the device of Patent Document 1 is a method in which a rust prevention cap is fitted to a bolt and nut and the inside of the cap is filled with foam, and the device is complicated and difficult to manufacture and attach. there were.
The present invention pays attention to a washer that is sandwiched between bolts and nuts for the purpose of stabilizing the seating surface of the fastening part. Using this washer, a rust prevention cap integrated with the upper part of the washer is fastened to the bolt and nut. This is a method of fixing to the part. By providing the rust prevention cap with an inlet and an air vent, an injection agent is injected to achieve rust prevention.
SUMMARY OF THE INVENTION An object of the present invention is to provide a rust prevention cap having a wide range of application that is simple in structure and easy to manufacture and attach, and can be manufactured and attached to a bolt and nut currently in use.
上記課題を解決するために、請求項１の発明は、被締結材料の表裏面に露出するボルト・ナットの防錆キャップにおいて、被締結材料と、ナットの座面との間に配設される第１の座金であって、第１の座金の外周部に雄ネジが設けられたものと、ナットに被せる第１のキャップであって、第１の座金の雄ネジと螺合される雌ネジ部と、第１のキャップの内壁とナットとの間に注入される注入剤の注入口及び空気抜き口を有するものと、被締結材料と、ボルト頭部の座面との間に配設される第２の座金であって、第２の座金の外周部に雄ネジが設けられたものと、
ボルト頭部に被せる第２のキャップであって、第２の座金の雄ネジと螺合される雌ネジ部と、第２のキャップの内壁と上記ボルトの頭部との間に注入される注入剤の注入口及び空気抜き口を有するものを具備することを特徴とする。
請求項２の発明は、さらに、第１の座金の雄ネジと螺合される雌ネジを有する防錆キャップ用ナットと、防錆キャップ用ナットの該雌ネジに螺合される雌ネジ部を有する第３のキャップであって、第３のキャップの内壁と上記ナットとの間に注入される注入剤の注入口及び空気抜き口を有するものを具備することを特徴とする。
In order to solve the above-mentioned problems, the invention of claim 1 is arranged between a material to be fastened and a seating surface of the nut in a rust prevention cap for a bolt and nut exposed on the front and back surfaces of the material to be fastened. A first washer having a male screw on the outer periphery of the first washer, and a first cap that covers the nut, and a female screw that is screwed with the male screw of the first washer And a portion having an inlet and an air vent for an injecting agent to be injected between the inner wall of the first cap and the nut, a material to be fastened, and a seating surface of the bolt head. A second washer having a male screw on the outer periphery of the second washer;
A second cap that covers the bolt head, a female screw portion that is screwed with a male screw of the second washer, and an injection that is injected between the inner wall of the second cap and the bolt head. It has what has the injection port of an agent, and an air vent.
The invention of claim 2 further comprises a rust prevention cap nut having a female screw threadedly engaged with the male screw of the first washer, and a female screw portion threadedly engaged with the female screw of the rustproof cap nut. A third cap having an inlet and an air vent for an injecting agent to be injected between the inner wall of the third cap and the nut is provided.
本発明の防錆キャップは、ボルト・ナットと被締結材料との間に固定された座金の外周に雄ネジを切って、これに雌ネジを有する防錆キャップを取り付けることにより、容易に外れないものとすることができる。
さらに、防錆キャップの内部に、注入剤例えばコーキング剤等を注入、充填することにより水分・塩分・酸素等を遮断し、確実な腐食防止環境を維持することができる。
The rust preventive cap of the present invention is not easily removed by cutting a male screw on the outer periphery of a washer fixed between a bolt / nut and a material to be fastened and attaching a rust preventive cap having a female screw to this. Can be.
Furthermore, by injecting and filling an injecting agent such as a caulking agent into the anticorrosion cap, moisture, salt, oxygen, etc. can be cut off and a reliable corrosion prevention environment can be maintained.
以下に、本発明の第１の実施形態について図を用いて説明する。まず、本実施形態の構成について説明する。
図１に示すように、被締結材料３０と、ナット２０の座面２０ａとの間に配設される第１の座金４ａには外周部に雄ネジ４ｃが設けられている。ナット２０に被せる第１のキャップ１には第１の座金４ａの雄ネジ４ｃと螺合される雌ネジ部１ａと、第１のキャップ１の内壁１ｂとナット２０との間に注入される注入剤６の注入口１ｃ及び空気抜き口１ｄが設けられている。被締結材料３０と、ボルト頭部１０ａの座面１０ｂとの間に配設される第２の座金４ｂには外周部に雄ネジ４ｄが設けられている。ボルト頭部１０ａに被せる第２のキャップ２には第２の座金４ｂの雄ネジ４ｄと螺合される雌ネジ部２ａと、第２のキャップ２の内壁２ｂと上記ボルト頭部１０ａとの間に注入される注入剤６の注入口２ｃ及び空気抜き口２ｄが設けられている。本実施形態では第１のキャップ１及び第２のキャップ２は各々座金４ａ及び座金４ｂに直接螺合にて固定される。
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. First, the configuration of the present embodiment will be described.
As shown in FIG. 1, a male screw 4c is provided on the outer periphery of the first washer 4a disposed between the material to be fastened 30 and the seating surface 20a of the nut 20. The first cap 1 covering the nut 20 is injected between the female screw portion 1a screwed with the male screw 4c of the first washer 4a and between the inner wall 1b of the first cap 1 and the nut 20. An inlet 1c for the agent 6 and an air vent 1d are provided. A male screw 4d is provided on the outer peripheral portion of the second washer 4b disposed between the material to be fastened 30 and the seat surface 10b of the bolt head 10a. The second cap 2 that covers the bolt head portion 10a has a female screw portion 2a that is screwed with the male screw 4d of the second washer 4b, and the space between the inner wall 2b of the second cap 2 and the bolt head portion 10a. An injection port 2c and an air vent 2d for the injection 6 to be injected are provided. In the present embodiment, the first cap 1 and the second cap 2 are fixed to the washer 4a and the washer 4b by screwing, respectively.
これらの防錆キャップ１、２には各内壁１ｂ、２ｂと、ナット２０及びボルト頭部１０ａとの間に注入される注入剤６の注入口１ｃ、２ｃ及び空気抜き口１ｄ、２ｄが各々設けられていて、ここから注入剤６として例えばコーキング剤を注入して水分・塩分・酸素等を遮断することで腐食防止環境を維持する効果が期待できる。なお、上記注入口及び空気抜き口はいずれも共用とできる。 These rust prevention caps 1 and 2 are provided with injection ports 1c and 2c and air vents 1d and 2d, respectively, for the injection agent 6 injected between the inner walls 1b and 2b and the nut 20 and the bolt head 10a. From this, for example, a caulking agent is injected as the injecting agent 6 to block moisture, salt, oxygen, etc., and the effect of maintaining the corrosion prevention environment can be expected. Note that both the inlet and the air outlet can be shared.
さらに、防錆キャップに充填された注入剤が固化することにより、ボルト・ナットと防錆キャップとの間に摩擦力が生じ、ゆるみ止め効果も期待できる。
防錆キャップの材質としては、プラスチック・陶磁器・ステンレス等種々の材質が使用でき、材質を選ばない。
注入剤についても目的に合わせて選択可能であり、コンパクトな防錆が可能となる。
本防錆キャップを取り付けたボルト・ナットについては、本防錆キャップの取り換えが容易に行える。
Furthermore, since the filler filled in the rust preventive cap is solidified, a frictional force is generated between the bolt / nut and the rust preventive cap, and a loosening prevention effect can be expected.
As the material of the rust prevention cap, various materials such as plastic, ceramics, and stainless steel can be used, and any material can be used.
The injecting agent can also be selected according to the purpose, and compact rust prevention is possible.
For bolts and nuts fitted with this rust prevention cap, this rust prevention cap can be easily replaced.
次に、第２の実施形態の構成について説明する。
図２に示すように、第１の座金４ａの雄ネジ４ｃと螺合される雌ネジ５ａを有する防錆キャップ用ナット５と、防錆キャップ用ナット５の雌ネジ５ａに螺合される雄ネジ部３ａを有するロングキャップ３であって、ロングキャップ３の内壁３ｂと上記ナット２０との間に注入される注入剤６の注入口３ｃ及び空気抜き口３ｄを有する。本実施形態では第３のキャップ３は防錆キャップ用ナット５を介して座金４ｃに固定される。
Next, the configuration of the second embodiment will be described.
As shown in FIG. 2, a rust prevention cap nut 5 having a female screw 5a screwed to the male screw 4c of the first washer 4a and a male screw screwed to the female screw 5a of the rust prevention cap nut 5 are provided. The long cap 3 has a screw portion 3a, and has an injection port 3c and an air vent 3d for an injection 6 injected between the inner wall 3b of the long cap 3 and the nut 20. In the present embodiment, the third cap 3 is fixed to the washer 4c via the antirust cap nut 5.
本実施形態の防錆キャップは構造が単純であり、既設の一般のボルト・ナットに対しても容易に取り付けられる。図２に示すように、ナット２０から突き出したボルト１０のネジ部１０ｃが長い場合にもロングキャップを寸法調整して製作するだけで対応可能であり、既設のボルト・ナットの構造変更等は不要であるため、種々のボルト・ナットによる締結部の防錆キャップとして広範囲に応用できる。 The rust prevention cap of the present embodiment has a simple structure and can be easily attached to existing general bolts and nuts. As shown in FIG. 2, even when the threaded portion 10c of the bolt 10 protruding from the nut 20 is long, it can be dealt with by simply adjusting the length of the long cap, and there is no need to change the structure of existing bolts and nuts. Therefore, it can be widely applied as a rust preventive cap for fastening parts with various bolts and nuts.
１ 第１の防錆キャップ
１ａ 雌ネジ部
１ｂ 内壁
１ｃ 注入口
１ｄ 空気抜き口
２ 第２の防錆キャップ
２ａ 雌ネジ部
２ｂ 内壁
２ｃ 注入口
２ｄ 空気抜き口
３ ロングキャップ
３ａ 雄ネジ部
３ｂ 内壁
３ｃ 注入口
３ｄ 空気抜き口
４ａ 第１の座金
４ｂ 第２の座金
４ｃ、４ｄ 雄ネジ
５ 防錆キャップ用ナット
５ａ 雌ネジ
６ 注入剤
１０ ボルト
１０ａ ボルト頭部
１０ｂ 座面
１０ｃ ネジ部
２０ ナット
２０ａ 座面
３０ 被締結材料
DESCRIPTION OF SYMBOLS 1 1st antirust cap 1a Female thread part 1b Inner wall 1c Inlet 1d Air vent 2 Second antirust cap 2a Female thread 2b Inner wall 2c Inlet 2d Air vent 3 Long cap 3a Male thread part 3b Inner wall 3c Inlet 3d Air vent 4a First washer 4b Second washer 4c, 4d Male screw 5 Antirust cap nut 5a Female screw
6 Injection material 10 Bolt 10a Bolt head 10b Seat surface 10c Screw portion 20 Nut 20a Seat surface 30 Material to be fastened
Claims (2)
上記被締結材料と、ナットの座面との間に配設される第１の座金であって、該第１の座金の外周部に雄ネジが設けられたものと、
上記ナットに被せる第１のキャップであって、
上記第１の座金の雄ネジと螺合される雌ネジ部と、
上記第１のキャップの内壁と上記ナットとの間に注入される注入剤の注入口及び空気抜き口を有するものと、
上記被締結材料と、ボルト頭部の座面との間に配設される第２の座金であって、該第２の座金の外周部に雄ネジが設けられたものと、
上記ボルト頭部に被せる第２のキャップであって、
上記第２の座金の雄ネジと螺合される雌ネジ部と、
上記第２のキャップの内壁と上記ボルトの頭部との間に注入される注入剤の注入口及び空気抜き口を有するものと、
を具備することを特徴とする、ボルト・ナットの防錆キャップ。 It is a rust prevention cap for bolts and nuts exposed on the front and back surfaces of the material to be fastened,
A first washer disposed between the material to be fastened and a seating surface of the nut, the outer periphery of the first washer having a male screw;
A first cap over the nut,
A female screw portion screwed into the male screw of the first washer;
Having an inlet and an air vent for an injectant injected between the inner wall of the first cap and the nut;
A second washer disposed between the material to be fastened and the seating surface of the bolt head, wherein the outer periphery of the second washer is provided with a male screw;
A second cap over the bolt head,
A female screw portion screwed into the male screw of the second washer;
Having an inlet and an air vent for an injectant injected between the inner wall of the second cap and the head of the bolt;
A rust preventive cap for bolts and nuts.
該防錆キャップ用ナットの該雌ネジに螺合される雌ネジ部を有する第３のキャップであって、
上記第３のキャップの内壁と上記ナットとの間に注入される注入剤の注入口及び空気抜き口を有するものと、
を具備することを特徴とする、請求項１に記載のボルト・ナットの防錆キャップ。
A nut for a rust prevention cap having a female screw threadedly engaged with the male screw of the first washer;
A third cap having a female thread portion screwed into the female thread of the rust prevention cap nut,
Having an inlet and an air vent for an injectant injected between the inner wall of the third cap and the nut;
The rust prevention cap for bolts and nuts according to claim 1, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016094294A JP6821108B2 (en) | 2016-05-10 | 2016-05-10 | Anti-corrosion caps for bolts and nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016094294A JP6821108B2 (en) | 2016-05-10 | 2016-05-10 | Anti-corrosion caps for bolts and nuts |
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| Publication Number | Publication Date |
|---|---|
| JP2017203475A true JP2017203475A (en) | 2017-11-16 |
| JP6821108B2 JP6821108B2 (en) | 2021-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016094294A Active JP6821108B2 (en) | 2016-05-10 | 2016-05-10 | Anti-corrosion caps for bolts and nuts |
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| JP (1) | JP6821108B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053751A (en) * | 2019-04-30 | 2019-07-26 | 广船国际有限公司 | Rudder for ship hydraulic nut protective device, the ship comprising it and guard method |
| WO2021046473A1 (en) * | 2019-09-05 | 2021-03-11 | Novaria Holdings, LLC | Nut cap |
| CN112942952A (en) * | 2021-02-02 | 2021-06-11 | 贵州电网有限责任公司 | Weather-proof protective device for bolted connection node of steel tower |
| US11199215B2 (en) | 2018-04-06 | 2021-12-14 | Novaria Holdings, LLC | Nut clip |
| JP7449658B2 (en) | 2018-09-11 | 2024-03-14 | ザ・ボーイング・カンパニー | Combustion fire extinguishing fastener cap with holes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11199215B2 (en) | 2018-04-06 | 2021-12-14 | Novaria Holdings, LLC | Nut clip |
| JP7449658B2 (en) | 2018-09-11 | 2024-03-14 | ザ・ボーイング・カンパニー | Combustion fire extinguishing fastener cap with holes |
| CN110053751A (en) * | 2019-04-30 | 2019-07-26 | 广船国际有限公司 | Rudder for ship hydraulic nut protective device, the ship comprising it and guard method |
| WO2021046473A1 (en) * | 2019-09-05 | 2021-03-11 | Novaria Holdings, LLC | Nut cap |
| CN112942952A (en) * | 2021-02-02 | 2021-06-11 | 贵州电网有限责任公司 | Weather-proof protective device for bolted connection node of steel tower |
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