JP6227927B2 - cover - Google Patents

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JP6227927B2
JP6227927B2 JP2013162993A JP2013162993A JP6227927B2 JP 6227927 B2 JP6227927 B2 JP 6227927B2 JP 2013162993 A JP2013162993 A JP 2013162993A JP 2013162993 A JP2013162993 A JP 2013162993A JP 6227927 B2 JP6227927 B2 JP 6227927B2
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cover
connecting hinge
fuse unit
electronic device
covers
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JP2015032533A (en
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義紀 石川
義紀 石川
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Yazaki Corp
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Yazaki Corp
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Connection Or Junction Boxes (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Description

本発明は、車両などに配設される電子機器を覆うカバーに関する。   The present invention relates to a cover that covers an electronic device disposed in a vehicle or the like.

従来より、例えば車両のバッテリに直付けされるヒューズユニットが知られている（例えば、特許文献１参照）。   Conventionally, for example, a fuse unit that is directly attached to a battery of a vehicle is known (see, for example, Patent Document 1).

かかるヒューズユニットの一従来例が図５〜図８に示されている。このヒューズユニット５０は、バッテリ（図示せず）に固定されるヒューズユニット本体５１と、このヒューズユニット本体５１を覆うカバー６０とを備えている。カバー６０は、ヒューズユニット本体５１の側面を覆う第１カバー６１と、ヒューズユニット本体５１の上面を覆う第２カバー６２と、第１カバー６１と第２カバー６２間を連結する連結ヒンジ部６３とを備えている。連結ヒンジ部６３は、図６（ｂ）に示すように、断面形状が偏平長方形（幅：Ｗ＞厚み：Ｈ）のベルト形状であり、撓み変形可能に形成されている。   One conventional example of such a fuse unit is shown in FIGS. The fuse unit 50 includes a fuse unit body 51 fixed to a battery (not shown) and a cover 60 that covers the fuse unit body 51. The cover 60 includes a first cover 61 that covers the side surface of the fuse unit main body 51, a second cover 62 that covers the upper surface of the fuse unit main body 51, and a connecting hinge portion 63 that connects the first cover 61 and the second cover 62. It has. As shown in FIG. 6B, the connecting hinge part 63 has a belt shape with a flat rectangular shape (width: W> thickness: H), and is formed to be able to bend and deform.

第２カバー６２は、連結ヒンジ部６３の撓み変形によって、ヒューズユニット本体５１の上面を覆う閉位置（図５の位置）と、ヒューズユニット本体５１の上面より離間する開位置（図６（ａ）の位置）との間で変移する。   The second cover 62 has a closed position (position in FIG. 5) that covers the upper surface of the fuse unit main body 51 due to the bending deformation of the connecting hinge portion 63, and an open position (FIG. 6 (a)) that is separated from the upper surface of the fuse unit main body 51. The position of

この従来例では、第１カバー６１と第２カバー６２が連結ヒンジ部６３を介して連結されているので、第２カバー６２を閉位置と開位置との間で変移しても第２カバー６２が第１カバー６１より離脱しないため、メンテナンス時等の作業性が良い。   In this conventional example, since the first cover 61 and the second cover 62 are connected via the connecting hinge portion 63, the second cover 62 is moved even if the second cover 62 is changed between the closed position and the open position. However, since it does not detach | leave from the 1st cover 61, workability | operativity at the time of a maintenance etc. is good.

特開２０１３−７３８０８号公報JP 2013-73808 A

ところで、第２カバー６２は、通常の使用状態では、図５の閉位置と図６（ａ）の開位置との上下方向の移動が繰り返される。しかし、第２カバー６２が第１カバー６１に対して左右方向に引っ張られたり（図７の状態）、前後方向に引っ張られたり（図８の状態）する事態が起こり得る。連結ヒンジ部６３は、曲げ方向（例えば、図６（ｂ）の中立軸Ｃ１とＣ２）によって断面二次モーメント（曲げ剛性）が相違するため、連結ヒンジ部６３の根本部６３ａ，６３ｂに発生する応力は、引っ張り荷重の大きさにのみ起因せずに、曲げ方向の向きによっても相違する。例えば、図８のように前後方向に引っ張られた場合には、連結ヒンジ部６３の中立軸がＣ２となり、断面二次モーメント（曲げ剛性）が大きく、大きく曲げ変形する根本部６３ａに大きな応力が発生する。このように、曲げ方向の向きによって根本部６３ａ、６３ｂに応力集中が発生する恐れがあり、応力集中すると、破損し易いという問題がある。   Incidentally, in the normal use state, the second cover 62 is repeatedly moved up and down between the closed position in FIG. 5 and the open position in FIG. However, the second cover 62 may be pulled in the left-right direction with respect to the first cover 61 (the state shown in FIG. 7) or pulled in the front-rear direction (the state shown in FIG. 8). The connecting hinge part 63 is generated in the base parts 63a and 63b of the connecting hinge part 63 because the secondary moment of inertia (bending rigidity) differs depending on the bending direction (for example, the neutral axes C1 and C2 in FIG. 6B). The stress differs depending not only on the magnitude of the tensile load but also on the direction of the bending direction. For example, when pulled in the front-rear direction as shown in FIG. 8, the neutral axis of the connecting hinge part 63 is C2, the sectional moment (bending rigidity) is large, and a large stress is applied to the base part 63a that undergoes large bending deformation. Occur. Thus, there is a risk that stress concentration may occur in the root portions 63a and 63b depending on the direction of the bending direction.

そこで、本発明は、前記した課題を解決すべくなされたものであり、応力集中に起因する連結ヒンジ部の破損を極力防止できるカバーを提供することを目的とする。   Therefore, the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a cover that can prevent damage to the connecting hinge portion due to stress concentration as much as possible.

本発明は、電子機器の第１面を覆う第１カバーと、前記電子機器の第２面を覆う第２カバーと、前記第１カバーと前記第２カバー間を連結し撓み変形可能な連結ヒンジ部とを備え、前記連結ヒンジ部の撓み変形によって、前記第２カバーが前記電子機器の第２面を覆う閉位置と第２面より離間する開位置との間で変移するカバーであって、前記連結ヒンジ部は、断面の外周形状が円周状であることを特徴とするカバーである。   The present invention provides a first cover that covers a first surface of an electronic device, a second cover that covers a second surface of the electronic device, and a connecting hinge that can be flexibly deformed by connecting the first cover and the second cover. A cover that is displaced between a closed position where the second cover covers the second surface of the electronic device and an open position where the second cover is spaced apart from the second surface by bending deformation of the connecting hinge portion, The connecting hinge part is a cover characterized in that the outer peripheral shape of the cross section is a circular shape.

前記連結ヒンジ部は、断面が円形状であっても良い。前記電子機器は、バッテリに固定されるヒューズユニットであり、前記電子機器の前記第１面が前記ヒューズユニットの側面であり、前記電子機器の前記第２面が前記ヒューズユニットの上面であるものを含む。   The connecting hinge portion may have a circular cross section. The electronic device is a fuse unit fixed to a battery, the first surface of the electronic device is a side surface of the fuse unit, and the second surface of the electronic device is an upper surface of the fuse unit. Including.

本発明によれば、連結ヒンジ部は、あらゆる曲げ方向で断面二次モーメント（曲げ剛性）が同じである。従って、連結ヒンジ部がどの引っ張り方向に引っ張られた場合でも、連結ヒンジ部の根本部に発生する応力は、引っ張り荷重の大きさにのみ起因するため、引っ張り方向の違いによる応力集中を極力抑制できる。以上より、応力集中に起因する連結ヒンジ部の破損を極力防止できる。   According to the present invention, the connecting hinge portion has the same sectional second moment (bending rigidity) in all bending directions. Therefore, even if the connecting hinge part is pulled in any direction, the stress generated at the base part of the connecting hinge part is caused only by the magnitude of the tensile load, and therefore stress concentration due to the difference in the pulling direction can be suppressed as much as possible. . From the above, it is possible to prevent damage to the connecting hinge portion due to stress concentration as much as possible.

本発明の一実施形態を示し、第２カバーが閉位置にある状態のヒューズユニットの斜視図である。FIG. 6 is a perspective view of the fuse unit in a state where the second cover is in a closed position according to the embodiment of the present invention. 本発明の一実施形態を示し、（ａ）は第２カバーが開位置にある状態のヒューズユニットの斜視図、（ｂ）は連結ヒンジ部の拡大断面図である。1A and 1B show an embodiment of the present invention, in which FIG. 1A is a perspective view of a fuse unit in a state where a second cover is in an open position, and FIG. 本発明の一実施形態を示し、第２カバーが第１カバーに対して左右方向に引っ張られた状態のヒューズユニットの斜視図である。FIG. 4 is a perspective view of the fuse unit in a state in which the second cover is pulled in the left-right direction with respect to the first cover according to the embodiment of the present invention. 本発明の一実施形態を示し、第２カバーが第１カバーに対して前後方向に引っ張られた状態のヒューズユニットの斜視図である。FIG. 4 is a perspective view of the fuse unit in a state in which the second cover is pulled in the front-rear direction with respect to the first cover according to the embodiment of the present invention. 従来例を示し、第２カバーが閉位置にある状態のヒューズユニットの斜視図である。It is a perspective view of a fuse unit in a state where a conventional cover is shown and a second cover is in a closed position. 従来例を示し、（ａ）は第２カバーが開位置にある状態のヒューズユニットの斜視図、（ｂ）は連結ヒンジ部の拡大断面図である。A prior art example is shown, (a) is a perspective view of a fuse unit in a state where a second cover is in an open position, and (b) is an enlarged sectional view of a connecting hinge portion. 従来例を示し、第２カバーが第１カバーに対して左右方向に引っ張られた状態のヒューズユニットの斜視図である。It is a perspective view of the fuse unit in a state in which the conventional cover is shown and the second cover is pulled in the left-right direction with respect to the first cover. 従来例を示し、第２カバーが第１カバーに対して前後方向に引っ張られた状態のヒューズユニットの斜視図である。It is a perspective view of a fuse unit in a state where a conventional cover is shown and a second cover is pulled in the front-rear direction with respect to the first cover.

以下、本発明の一実施形態を図面に基づいて説明する。   Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

この実施形態では、本発明のカバーがヒューズユニットのカバーに適用されている。以下、説明する。   In this embodiment, the cover of the present invention is applied to the cover of the fuse unit. This will be described below.

図１及び図２（ａ）に示すように、ヒューズユニット１は、バッテリ（図示せず）にバッテリ端子３０を介して固定される電子機器であるヒューズユニット本体２と、このヒューズユニット本体２を覆うカバー１０とを備えている。ヒューズユニット本体２は、Ｌ字状に折れ曲がったバスバー３と、このバスバー３を絶縁性樹脂材でオーバーモールドして形成された保護樹脂部４とを備えている。バスバー３には、複数の端子部３ａと、過電流を阻止する可溶部（図示せず）とが設けられている。各端子部３ａは、保護樹脂部４より露出している。   As shown in FIGS. 1 and 2A, the fuse unit 1 includes a fuse unit main body 2 that is an electronic device fixed to a battery (not shown) via a battery terminal 30, and the fuse unit main body 2. And a cover 10 for covering. The fuse unit main body 2 includes a bus bar 3 bent into an L shape and a protective resin portion 4 formed by overmolding the bus bar 3 with an insulating resin material. The bus bar 3 is provided with a plurality of terminal portions 3a and a soluble portion (not shown) that prevents overcurrent. Each terminal portion 3 a is exposed from the protective resin portion 4.

カバー１０は、ヒューズユニット本体２の第１面である側面を覆う第１カバー１１と、ヒューズユニット本体２の第２面である上面を覆う第２カバー１２と、第１カバー１１と第２カバー１２間を連結する連結ヒンジ部１３とを備えている。第１カバー１１は、ヒューズユニット本体２にロック手段（図示せず）を介して固定されている。第１カバー１１には、左右一対のロック部１１ａが設けられている。第２カバー１２には、下記する閉位置でロック部１１ａに係止される左右一対のロックアーム１２ａが設けられている。   The cover 10 includes a first cover 11 that covers a side surface that is the first surface of the fuse unit body 2, a second cover 12 that covers an upper surface that is the second surface of the fuse unit body 2, and the first cover 11 and the second cover. And a connecting hinge portion 13 for connecting the twelve members. The first cover 11 is fixed to the fuse unit main body 2 via a lock means (not shown). The first cover 11 is provided with a pair of left and right lock portions 11a. The second cover 12 is provided with a pair of left and right lock arms 12a that are locked to the lock portion 11a at a closed position described below.

連結ヒンジ部１３は、図２（ｂ）に詳しく示すように、断面の外周形状が円周状、詳細には円柱形状のベルト形状であり、撓み変形可能に形成されている。連結ヒンジ部１３は、長手方向の全域に亘って同一寸法（直径：Ａ）の断面形状である。   As shown in detail in FIG. 2B, the connecting hinge portion 13 has a cross-sectional outer peripheral shape that is a circumferential shape, specifically a cylindrical belt shape, and is formed to be able to bend and deform. The connecting hinge portion 13 has a cross-sectional shape having the same dimension (diameter: A) over the entire longitudinal direction.

このような連結ヒンジ部１３で第１カバー１１に連結された第２カバー１２は、連結ヒンジ部１３の撓み変形によって、第２カバー１２がヒューズユニット本体２の上面を覆う閉位置（図１の位置）とヒューズユニット本体２の上面より離間する開位置（図２（ａ）の位置）との間で変移する。第２カバー１２の閉位置では、連結ヒンジ部１３が全域に亘って同じ曲率で屈曲して全体で大きな円弧形状に撓み変形する。閉位置に位置する第２カバー１２にあって、各ロックアーム１２ａをロック部１１ａよりロック解除し、第２カバー１２が閉位置から開位置に変移すると、連結ヒンジ部１３が一直線状になる方向に引っ張られる。連結ヒンジ部１３は、この引っ張り力によって、第１カバー１１と第２カバー１２の各根本部１３ａ、１３ｂで折れ曲がる形状（曲率半径が小さくなる形状）で撓み変形する。   The second cover 12 connected to the first cover 11 by the connecting hinge portion 13 is in a closed position (see FIG. 1) where the second cover 12 covers the upper surface of the fuse unit body 2 due to the deformation of the connecting hinge portion 13. Position) and an open position (position shown in FIG. 2A) that is separated from the upper surface of the fuse unit main body 2. In the closed position of the second cover 12, the connecting hinge portion 13 is bent with the same curvature over the entire region and is bent and deformed into a large arc shape as a whole. In the second cover 12 located at the closed position, when the lock arms 12a are unlocked from the lock portions 11a and the second cover 12 is changed from the closed position to the open position, the connecting hinge portion 13 becomes a straight line. Pulled on. Due to this pulling force, the connecting hinge portion 13 is bent and deformed in a shape that is bent at each of the root portions 13a and 13b of the first cover 11 and the second cover 12 (a shape in which the radius of curvature becomes small).

第２カバー１２は、通常の使用状態では、図１の閉位置と図２（ａ）の開位置との上下方向の移動が繰り返される。しかし、第２カバー１２が第１カバー１１に対して左右方向に引っ張られたり（図３の状態）、前後方向に引っ張られたり（図４の状態）する事態が起こり得る。ここで、連結ヒンジ部１３の断面形状が円形状であるので、連結ヒンジ部１３は、あらゆる曲げ方向で断面二次モーメント（曲げ剛性）が同じである。従って、連結ヒンジ部１３がどの引っ張り方向に引っ張られた場合でも、連結ヒンジ部１３の根本部１３ａ，１３ｂに発生する応力は、引っ張り荷重の大きさにのみ起因するため、引っ張り方向の違いによる応力集中を抑制できる。具体的には、左右方向の引っ張りでは根本部１３ｂ、前後方向の引っ張りでは根本部１３ａの応力集中を抑制でき、以上より、応力集中に起因する連結ヒンジ部１３の破損を防止できる。   In the normal use state, the second cover 12 is repeatedly moved up and down between the closed position in FIG. 1 and the open position in FIG. However, a situation may occur in which the second cover 12 is pulled in the left-right direction with respect to the first cover 11 (the state shown in FIG. 3) or pulled in the front-rear direction (the state shown in FIG. 4). Here, since the cross-sectional shape of the connection hinge part 13 is circular, the connection hinge part 13 has the same cross-sectional secondary moment (bending rigidity) in all bending directions. Therefore, no matter which pulling direction the connecting hinge part 13 is pulled, the stress generated in the root parts 13a and 13b of the connecting hinge part 13 is caused only by the magnitude of the pulling load. Concentration can be suppressed. Specifically, the stress concentration of the root portion 13b can be suppressed by pulling in the left-right direction, and the stress concentration of the root portion 13a can be suppressed by pulling in the front-rear direction, and thus the breakage of the connecting hinge portion 13 due to the stress concentration can be prevented.

また、連結ヒンジ部１３の根本部１３ａ、１３ｂは、どの方向の曲げ方向でも曲げ剛性（断面二次モーメント）が同じであるため、屈曲程度（曲率半径）が同じであれば、根本部１３ａに発生する最大応力が同じになる。つまり、連結ヒンジ部１３がどの引っ張り方向に引っ張られた場合でも、連結ヒンジ部１３の曲げ剛性が同じであるため、引っ張り方向の違いによる最大応力を抑制でき、連結ヒンジ部１３の破損を防止できる。   In addition, since the root portions 13a and 13b of the connecting hinge portion 13 have the same bending rigidity (secondary moment of section) in any bending direction, if the bending degree (curvature radius) is the same, the root portion 13a The maximum stress generated is the same. That is, even if the connecting hinge part 13 is pulled in any direction, the bending rigidity of the connecting hinge part 13 is the same, so that the maximum stress due to the difference in the pulling direction can be suppressed, and damage to the connecting hinge part 13 can be prevented. .

連結ヒンジ部１３は、使用環境上、発生する恐れのある引っ張り荷重に対し、その直径Ａを調整することで引っ張りに対する強度を保持することができる。従って、連結ヒンジ部１３のあらゆる引っ張り方向について、簡単な設計変更によって所望の強度を得ることができる。   The connection hinge part 13 can hold | maintain the intensity | strength with respect to a tension | pulling by adjusting the diameter A with respect to the tension | pulling load which may generate | occur | produce on use environment. Therefore, a desired strength can be obtained by a simple design change in all pulling directions of the connecting hinge portion 13.

この実施形態では、連結ヒンジ部１３は、その断面形状が円形であるが、円筒形であっても良い。つまり、連結ヒンジ部１３は、あらゆる曲げ方向で断面二次モーメントが同じになる形状であれば良い。   In this embodiment, the connecting hinge portion 13 has a circular cross-sectional shape, but may have a cylindrical shape. That is, the connection hinge part 13 should just be the shape from which a cross-sectional secondary moment is the same in all the bending directions.

この実施形態では、本発明がヒューズユニット１のカバー１０に適用された場合を示したが、ヒューズユニット１以外の電子機器を覆うカバー１０にも本発明は適用可能である。   In this embodiment, although the case where this invention was applied to the cover 10 of the fuse unit 1 was shown, this invention is applicable also to the cover 10 which covers electronic devices other than the fuse unit 1. FIG.

２ ヒューズユニット本体（電子機器）
１０ カバー
１１ 第１カバー
１２ 第２カバー
１３ 連結ヒンジ部 2 Fuse unit body (electronic equipment)
10 Cover 11 First Cover 12 Second Cover 13 Connecting Hinge Section

Claims (3)

電子機器の第１面を覆う第１カバーと、前記電子機器の第２面を覆う第２カバーと、前記第１カバーと前記第２カバー間を連結し撓み変形可能な連結ヒンジ部とを備え、
前記連結ヒンジ部の撓み変形によって、前記第２カバーが前記電子機器の第２面を覆う閉位置と第２面より離間する開位置との間で変移するカバーであって、
前記連結ヒンジ部は、断面の外周形状が円周状であることを特徴とするカバー。 A first cover that covers the first surface of the electronic device; a second cover that covers the second surface of the electronic device; and a connecting hinge portion that connects the first cover and the second cover and can be deformed by bending. ,
The cover is a cover that changes between a closed position that covers the second surface of the electronic device and an open position that is spaced apart from the second surface due to bending deformation of the connecting hinge portion;
The connecting hinge part has a circular outer peripheral shape in cross section. 請求項１記載のカバーであって、
前記連結ヒンジ部は、断面が円形状であることを特徴とするカバー。 The cover according to claim 1,
The connecting hinge part has a circular cross section. 請求項１又は請求項２記載のカバーであって、
前記電子機器は、バッテリに固定されるヒューズユニット本体であり、前記電子機器の前記第１面が前記ヒューズユニット本体の側面であり、前記電子機器の前記第２面が前記ヒューズユニット本体の上面であることを特徴とするカバー。 The cover according to claim 1 or claim 2,
The electronic device is a fuse unit main body fixed to a battery, the first surface of the electronic device is a side surface of the fuse unit main body, and the second surface of the electronic device is an upper surface of the fuse unit main body. A cover characterized by being.
JP2013162993A 2013-08-06 2013-08-06 cover Active JP6227927B2 (en)

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JPS5085739U (en) * 1973-12-08 1975-07-22
JPS5929319Y2 (en) * 1980-01-21 1984-08-23 日本高圧電気株式会社 Device for holding open the airtight lid of a cylindrical cut-out switch
JP2523448Y2 (en) * 1988-08-25 1997-01-22 日本碍子株式会社 Lightning arrester
JPH08161999A (en) * 1994-11-30 1996-06-21 Ryosei Denso Kk Box with integrated cover
JPH1186840A (en) * 1997-09-08 1999-03-30 Harness Sogo Gijutsu Kenkyusho:Kk Connection tool for battery
DE102006028104A1 (en) * 2005-06-20 2007-04-19 Littelfuse, Inc., Des Plaines Water resistant in-line fuse holder for e.g. standard blade fuse has a projection and a cavity with tapered sidewalls and mating surfaces to allow snug-fit connection of two housings
US7445509B2 (en) * 2006-06-14 2008-11-04 Cooper Technologies Company In-line fuse holder for female fuse
JP2008311089A (en) * 2007-06-14 2008-12-25 Cooper Technologies Co In-line fuse holder for female fuse
JP2010108785A (en) * 2008-10-30 2010-05-13 Yazaki Corp Battery connection terminal protection cover
JP5042290B2 (en) * 2009-10-06 2012-10-03 中国電力株式会社 Cylindrical high pressure cutout
JP2013054947A (en) * 2011-09-05 2013-03-21 Yazaki Corp Cover
TW201317703A (en) * 2011-10-28 2013-05-01 Asia Optical Co Inc Rear-cover assembly structure and the projection equipment using the same
JP2013130742A (en) * 2011-12-22 2013-07-04 Canon Inc Lid structure of portable terminal device
JP6178652B2 (en) * 2013-07-26 2017-08-09 矢崎総業株式会社 cover

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