JP2009228366A - Spiral spring type hinge - Google Patents

Spiral spring type hinge Download PDF

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Publication number
JP2009228366A
JP2009228366A JP2008077672A JP2008077672A JP2009228366A JP 2009228366 A JP2009228366 A JP 2009228366A JP 2008077672 A JP2008077672 A JP 2008077672A JP 2008077672 A JP2008077672 A JP 2008077672A JP 2009228366 A JP2009228366 A JP 2009228366A
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Japan
Prior art keywords
connecting shaft
hinge
blades
spring
spiral spring
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JP2008077672A
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JP5767768B2 (en
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Masaru Hashimoto
勝 橋本
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Abstract

<P>PROBLEM TO BE SOLVED: To solve problems in a hinge using a coil spring, wherein the energizing force of the coil spring is degraded under use for many years and its end may break depending on the case, and there is a danger of the broken end being mixed in food if the hinge is used for a food processing machine or the like and there is a risk of causing an accident if the hinge is used for automobile parts or the like. <P>SOLUTION: The hinge formed by connecting connection parts of two blades in an openable/closable manner by a connecting shaft is constituted to energize an opening or closing direction force to both blades by a spring wound around the outer periphery of the connecting shaft. The spring is a spiral spring, and its inside locking part is locked to the connecting shaft, while its outside locking part is locked to one of the blades. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は産業用機械、他の工業用機器、建物、家具、事務機といった各種分野の開閉機構に使用される渦巻きばね式蝶番に関するものである。   The present invention relates to a spiral spring type hinge used for an opening / closing mechanism in various fields such as industrial machines, other industrial equipment, buildings, furniture, and office machines.

従来の蝶番の一例として図２に示すようなものがある。これら蝶番は翼板Ａと翼板Ｂが筒状の連結部Ｃ内に挿入した連結軸Ｄで開閉可能に連結され、連結軸Ｄの外周に設けたコイルばねＥの一端が一方の翼板Ａに、他端が他方の翼板Ｂに係止されて、翼板Ａと翼板Ｂに開方向又は閉方向の力が付勢されている。   An example of a conventional hinge is shown in FIG. These hinges are connected to each other by a connecting shaft D in which a blade plate A and a blade plate B are inserted into a cylindrical connecting portion C, and one end of a coil spring E provided on the outer periphery of the connecting shaft D is one blade plate A. The other end is locked to the other wing plate B, and the wing plate A and the wing plate B are biased in the opening direction or the closing direction.

従来のコイルばねを使用した蝶番には次のような課題があった。
（１）翼板の開方向又は閉方向の力が翼板に係止されているコイルばねの端部に集中するため、その端部が長年の使用で金属疲労して付勢力が劣化する。
（２）コイルばねの係止端部が著しく金属疲労したり、係止端部に強い衝撃力が加わったりするとその係止端部が折損することがある。この場合、蝶番が食品加工機械等に使用されていると折損した端部が食品に混入する場合があり安全上問題がある。自動車部品等に使用されている場合は事故の原因となるおそれがある。 Conventional hinges using coil springs have the following problems.
(1) Since the force in the opening direction or the closing direction of the blade plate concentrates on the end portion of the coil spring locked to the blade plate, the end portion is subjected to metal fatigue due to long-term use and the urging force is deteriorated.
(2) When the engagement end portion of the coil spring is significantly metal fatigued or a strong impact force is applied to the engagement end portion, the engagement end portion may be broken. In this case, if the hinge is used in a food processing machine or the like, the broken end may be mixed into the food, which is a safety problem. If it is used for automobile parts, it may cause an accident.

本願発明は、二枚の翼板の連結部が連結軸で開閉可能に連結され、連結軸の外周に設けたばねにより両翼板が開方向又は閉方向に付勢された蝶番において、ばねが渦巻きばねであり、渦巻きばねが連結軸の外周で両翼板の間に配置され、渦巻きばねの内側端部の幅の全部又は一部である内側支持部が連結軸に、外側端部の幅の全部又は一部である外側支持部が一方の翼板に係止されたものである。   The present invention relates to a hinge in which a connecting portion of two blades is connected by a connecting shaft so as to be openable and closable, and both blades are biased in an opening direction or a closing direction by a spring provided on the outer periphery of the connecting shaft. A spiral spring is disposed between the two blades on the outer periphery of the connecting shaft, and the inner support portion, which is all or part of the width of the inner end of the spiral spring, is connected to the connecting shaft, and all or part of the width of the outer end. The outer support portion which is is locked to one blade.

本発明の渦巻きばね式蝶番は、渦巻きばねの内側端部の全幅又は一部の幅の内側係止部が連結軸に、外側端部の全幅又は一部の幅の外側係止部が一方の翼板に係止されているので次のような効果がある。
（１）内側係止部、外側係止部の幅が広くなるので、それら係止部に加わる負荷が分散され、それら係止部が金属疲労しにくくなり、渦巻きばねの翼板への付勢力が長期間確保され耐久力が向上する。
（２）係止部が折損するおそれがなく、仮に折損しても両係止部が固定されているため食品内に脱落することがない。このため食品機械に使用しても食物へ混入する心配がなく、自動車などに使用しても交通事項の一因となる虞もない。 In the spiral spring type hinge of the present invention, the inner locking portion having the full width or a partial width of the inner end portion of the spiral spring is connected to the connecting shaft, and the outer locking portion having the full width or a partial width of the outer end portion is one side. Since it is locked to the blade, the following effects are obtained.
(1) Since the widths of the inner locking portion and the outer locking portion are widened, the load applied to the locking portions is dispersed, and the locking portions are less likely to be subjected to metal fatigue, and the urging force of the spiral spring to the blade plate Is ensured for a long time and durability is improved.
(2) There is no possibility that the locking portion is broken, and even if it is broken, both locking portions are fixed, so that they do not fall into the food. For this reason, even if it is used in a food machine, there is no fear of being mixed into food, and even if it is used in an automobile or the like, there is no possibility of contributing to traffic matters.

（実施形態１）
本発明の蝶番の実施形態の一例を図１に基づいて説明する。この実施形態の蝶番は、図１に示すように、二枚の翼板１、２の円筒状の連結部３、４を同一軸線上に配置し、その連結部３、４内に連結軸６を挿入して翼板１と翼板２を開閉可能に連結してある。この場合、連結軸６の外周に巻いた渦巻きばね７が両翼板１、２と連結部３、４との間の配置空間８内に配置される。 (Embodiment 1)
An example of the embodiment of the hinge of the present invention will be described with reference to FIG. In the hinge of this embodiment, as shown in FIG. 1, cylindrical connecting portions 3 and 4 of two blades 1 and 2 are arranged on the same axis, and a connecting shaft 6 is provided in the connecting portions 3 and 4. The blade plate 1 and the blade plate 2 are connected so as to be openable and closable. In this case, the spiral spring 7 wound around the outer periphery of the connecting shaft 6 is arranged in the arrangement space 8 between the two blades 1 and 2 and the connecting portions 3 and 4.

前記翼板１、２は、既存の蝶番と同様に、連結軸６を挿入可能な筒状の連結部３、４を二つずつ備えている。また、翼板１、２の夫々の内面には凹陥部９、１０が形成されており、両翼板１、２の凹陥部９、１０を対向配置させると凹陥部９、１０間に渦巻きばね７を配置可能な配置空間８が形成されるようにしてある。   The wing plates 1 and 2 are provided with two cylindrical connecting portions 3 and 4 into which the connecting shaft 6 can be inserted, similarly to the existing hinges. In addition, recessed portions 9 and 10 are formed on the inner surfaces of the blade plates 1 and 2, and when the recessed portions 9 and 10 of the blade plates 1 and 2 are disposed to face each other, the spiral spring 7 is interposed between the recessed portions 9 and 10. An arrangement space 8 in which can be arranged is formed.

前記連結軸６は前記筒状の連結部３、４に挿入可能な太さであり、その長さは両外側の連結部３まで挿入可能な寸法にしてある。   The connecting shaft 6 has a thickness that can be inserted into the cylindrical connecting portions 3 and 4, and has a length that can be inserted up to the outer connecting portions 3.

前記渦巻きばね７は、一枚の板材を渦巻き状に巻いたものであり、巻き方向内側端部の係止部（内側係止部）１１を前記連結軸３に係止し、巻き方向外側端部の係止部（外側係止部）１２を一方の翼板に係止してある。図示した渦巻きばね７は巻き状態、係止状態を理解し易くするため幅Ｗを配置空間８の長さより狭くしてあるが、渦巻きばね７の幅Ｗ、直径、巻き数、板厚等は用途や必要な付勢力に合せて選択可能である。内側係止部１１、外側係止部１２の幅Ｗは、渦巻きばね７の内側端部、外側端部の幅Ｗの全部又は一部の幅とすることができる。内側係止部１１、外側係止部１２の係止手段は特に問わないが、少なくとも、内側係止部１１は連結軸６の回転時に連結軸６から外れないように係止し、外側係止部１２は両翼板１、２の開閉時に翼板１、２から外れず、翼板１、２の開閉を阻止しないようにしてある。   The spiral spring 7 is obtained by winding a single plate material in a spiral shape, and latches a locking portion (inner locking portion) 11 at an inner end portion in the winding direction with the connecting shaft 3, and ends the outer end in the winding direction. The locking portion (outer locking portion) 12 is locked to one blade. The illustrated spiral spring 7 has a width W narrower than the length of the arrangement space 8 in order to facilitate understanding of the wound state and the locked state, but the width W, diameter, number of turns, plate thickness, etc. of the spiral spring 7 are used. And can be selected according to the required urging force. The width W of the inner locking portion 11 and the outer locking portion 12 can be the width of all or part of the width W of the inner end portion and the outer end portion of the spiral spring 7. The locking means of the inner locking portion 11 and the outer locking portion 12 is not particularly limited, but at least the inner locking portion 11 is locked so as not to be detached from the connecting shaft 6 when the connecting shaft 6 is rotated. The part 12 does not come off from the blades 1 and 2 when the blades 1 and 2 are opened and closed, and does not prevent the blades 1 and 2 from being opened and closed.

本願発明の蝶番は、既存の蝶番の利用分野と同様の分野で使用可能であり、前述した効果もあるため、これまでは利用できなかった分野での利用も可能である。   The hinge of the present invention can be used in a field similar to the field of use of the existing hinge and has the effects described above. Therefore, it can be used in a field that could not be used before.

（ａ）は本願発明の渦巻きばね式蝶番の一例を示す斜視図、（ｂ）はその端面図、（ｃ）は平面図。(A) is a perspective view which shows an example of the spiral spring type | mold hinge of this invention, (b) is the end elevation, (c) is a top view. 従来のコイルスプリングを使用した蝶番の一例を示す斜視図。The perspective view which shows an example of the hinge using the conventional coil spring.

符号の説明Explanation of symbols

１、２ 翼板
３、４ 連結部
６ 連結軸
７ 渦巻きばね
８ 配置空間
９、１０ 凹陥部
１１ 内側係止部
１２ 外側係止部
Ａ、Ｂ 翼板
Ｃ 連結部
Ｄ 連結軸
Ｅ コイルばね DESCRIPTION OF SYMBOLS 1, 2 Blade plate 3, 4 Connection part 6 Connection shaft 7 Spiral spring 8 Arrangement space 9, 10 Recessed part 11 Inner locking part 12 Outer locking part A, B Blade board C Connection part D Connection shaft E Coil spring

Claims (1)

二枚の翼板の連結部が連結軸で開閉可能に連結され、連結軸の外周に設けたばねにより両翼板が開方向又は閉方向に付勢された蝶番において、ばねが渦巻きばねであり、渦巻きばねが連結軸の外周で両翼板の間に配置され、渦巻きばねの内側端部の幅の全部又は一部である内側支持部が連結軸に、外側端部の幅の全部又は一部である外側支持部が一方の翼板に係止されたことを特徴とする渦巻きばね式蝶番。   In the hinge in which the connecting part of the two blades is openably and closably connected by a connecting shaft, and both blades are biased in the open or closed direction by a spring provided on the outer periphery of the connecting shaft, the spring is a spiral spring, and the spiral A spring is disposed between the blades on the outer periphery of the connecting shaft, and an inner support portion that is all or part of the width of the inner end portion of the spiral spring is provided on the connecting shaft, and an outer support that is all or part of the width of the outer end portion. A spiral spring-type hinge characterized in that the portion is locked to one blade.
JP2008077672A 2008-03-25 2008-03-25 Spiral spring hinge Expired - Fee Related JP5767768B2 (en)

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JP2008077672A JP5767768B2 (en) 2008-03-25 2008-03-25 Spiral spring hinge

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JP2015104291A Division JP5945619B2 (en) 2015-05-22 2015-05-22 Spiral spring hinge

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JP5767768B2 JP5767768B2 (en) 2015-08-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015031088A (en) * 2013-08-05 2015-02-16 スガツネ工業株式会社 Hinge with spring
JP2015164827A (en) * 2014-03-03 2015-09-17 キョーラク株式会社 resin deck board

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516378U (en) * 1978-07-19 1980-02-01
JPS63171581U (en) * 1987-04-29 1988-11-08
JP2004108110A (en) * 2002-09-20 2004-04-08 Sosakusha:Kk Hinge with stopper function

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5516378U (en) * 1978-07-19 1980-02-01
JPS63171581U (en) * 1987-04-29 1988-11-08
JP2004108110A (en) * 2002-09-20 2004-04-08 Sosakusha:Kk Hinge with stopper function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015031088A (en) * 2013-08-05 2015-02-16 スガツネ工業株式会社 Hinge with spring
JP2015164827A (en) * 2014-03-03 2015-09-17 キョーラク株式会社 resin deck board

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