JP5449708B2 - Cylindrical battery holding structure - Google Patents

Cylindrical battery holding structure Download PDF

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JP5449708B2
JP5449708B2 JP2008165194A JP2008165194A JP5449708B2 JP 5449708 B2 JP5449708 B2 JP 5449708B2 JP 2008165194 A JP2008165194 A JP 2008165194A JP 2008165194 A JP2008165194 A JP 2008165194A JP 5449708 B2 JP5449708 B2 JP 5449708B2
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cylindrical battery
cylindrical
elastic deformation
batteries
battery
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JP2010009798A (en
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敏生 福田
貴樹 森岡
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Kojima Industries Corp
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    • YGENERAL 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
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    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y02E60/10Energy storage using batteries

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Description

本発明は、円筒型電池の保持構造に関する。   The present invention relates to a cylindrical battery holding structure.

従来の円筒型電池の保持構造1は、図16に示すように、複数の円筒型電池6の各円筒型電池を保持する樹脂製のホルダ2を有している。ホルダ2には、円筒型電池6が挿入される挿入孔2aが形成されており、挿入孔2aには、円筒型電池6がホルダ2に対してがたつくことを抑制するためにゴム(Oリング)2bが設けられている。   As shown in FIG. 16, the conventional cylindrical battery holding structure 1 has a resin holder 2 that holds each cylindrical battery of a plurality of cylindrical batteries 6. The holder 2 is formed with an insertion hole 2a into which the cylindrical battery 6 is inserted. In the insertion hole 2a, rubber (O-ring) is used to prevent the cylindrical battery 6 from rattling against the holder 2. 2b is provided.

しかし、従来の円筒型電池の保持構造には、次の問題点がある。
ゴム(Oリング)2bが設けられているため、部品点数が多くコストが高くなってしまう。
特開2003−162993号公報
However, the conventional cylindrical battery holding structure has the following problems.
Since the rubber (O-ring) 2b is provided, the number of parts is large and the cost is increased.
JP 2003-162993 A

本発明の目的は、従来に比べて部品点数を削減できコストを削減できる、円筒型電池の保持構造を提供することにある。   An object of the present invention is to provide a cylindrical battery holding structure capable of reducing the number of parts and reducing the cost as compared with the conventional one.

上記目的を達成する本発明はつぎの通りである。
(1) 複数並列に配置される円筒型電池の各円筒型電池を樹脂製のホルダを用いて保持する円筒型電池の保持構造であって、
前記ホルダは、周方向に複数設けられ前記円筒型電池が内側に挿入された際に該円筒型電池によって押されて少なくとも一部が半径方向外側に弾性曲げ変形する弾性変形部を備えており、
前記ホルダは、前記円筒型電池の各円筒型電池を軸方向から保持するベース部と、該ベース部の外縁部またはその近傍から前記円筒型電池の軸方向に延びる枠体部と、を備えており、
前記弾性変形部は、前記枠体部の内側で前記ベース部から前記円筒型電池の軸方向に突出して設けられており、前記円筒型電池間の隙間が最小となるように複数の前記円筒型電池を並べたときにできる三角形状の隙間に入り込んでいる、円筒型電池の保持構造。
(2) 複数の前記円筒型電池のうちの一つを保持する前記弾性変形部と複数の前記円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが直接連なっている、(1)記載の円筒型電池の保持構造。
(3) 複数の前記円筒型電池のうちの一つを保持する前記弾性変形部と複数の前記円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが直接連なっておらず、
前記弾性変形部が前記円筒型電池によって押されて弾性変形した際に、複数の前記円筒型電池のうちの一つを保持する前記弾性変形部と複数の前記円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが互いに接触し合う、(1)記載の円筒型電池の保持構造。
The present invention for achieving the above object is as follows.
(1) A cylindrical battery holding structure for holding a plurality of cylindrical batteries arranged in parallel using a resin holder,
The holder is provided with a plurality of circumferentially provided elastic deformation portions that are pushed by the cylindrical battery and elastically deformed at least partially outward in the radial direction when the cylindrical battery is inserted inside;
The holder includes a base portion that holds each cylindrical battery of the cylindrical battery from the axial direction, and a frame body portion that extends in the axial direction of the cylindrical battery from an outer edge portion of the base portion or the vicinity thereof. And
The elastic deformation portion is the inside of the frame portion is provided to protrude in the axial direction of the cylindrical battery from said base portion, a plurality of said cylindrical so that the clearance between the cylindrical batteries is minimum It intrudes into the gap of triangular shape that can when arranging the mold battery, retaining structure of cylindrical battery.
(2) The elastic deformation portion that holds one of the plurality of cylindrical batteries and the elastic deformation portion that holds a cylindrical battery adjacent to the one of the plurality of cylindrical batteries are directly connected to each other. The cylindrical battery holding structure according to (1).
(3) The elastic deformation portion that holds one of the plurality of cylindrical batteries and the elastic deformation portion that holds a cylindrical battery adjacent to the one of the plurality of cylindrical batteries are directly connected. Not
When the elastic deformation portion is pushed and elastically deformed by the cylindrical battery, the elastic deformation portion that holds one of the plurality of cylindrical batteries and the one of the plurality of cylindrical batteries; The cylindrical battery holding structure according to (1), wherein an elastic deformation part holding adjacent cylindrical batteries contacts each other.

上記(1)の円筒型電池の保持構造によれば、ホルダが、周方向に複数設けられ円筒型電池が内側に挿入された際に円筒型電池によって押されて複数のうちの少なくとも一部が半径方向外側に弾性変形する弾性変形部を備えるため、弾性変形した弾性変形部にて円筒型電池をがたつき無く保持することができる。この構造では、従来設けられていたゴム(Oリング)が不要である、その結果、ゴム(Oリング)が設けられている場合に比べて、部品点数を削減できコストを削減できる。
また、ホルダが、円筒型電池を軸方向から保持するベース部と、ベース部の外縁部またはその近傍から円筒型電池の軸方向に延びる枠体部と、を備えており、弾性変形部が、枠体部の内側でベース部から円筒型電池の軸方向に突出して設けられているため、弾性変形部で円筒型電池を保持する場合であっても、円筒型電池がホルダに対して枠体部より外側に移動してしまうこと(円筒型電池がホルダから脱落してしまうこと)を抑制できる。
上記()の円筒型電池の保持構造によれば、複数の円筒型電池のうちの一つを保持する弾性変形部と複数の円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが直接連なっているため、複数の円筒型電池のうちの前記一つを保持する弾性変形部と複数の円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とを一体化できる。そのため、複数の円筒型電池のうちの前記一つを保持する弾性変形部と複数の円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが直接連なっていない場合に比べて、ホルダを成形するための型構造を簡易化でき型費削減できる。
上記()の円筒型電池の保持構造によれば、複数の円筒型電池のうちの一つを保持する弾性変形部と複数の円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが直接連なっておらず、弾性変形部が円筒型電池によって押されて弾性変形した際に、複数の円筒型電池のうちの前記一つを保持する弾性変形部と複数の円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが互いに接触し合う。そのため、一つの弾性変形部が、円筒型電池と、該円筒型電池と隣り合う円筒型電池を保持する弾性変形部とで挟まれ、一つの弾性変形部が所定量より大きく変形してしまうことを防止できる。そのため、ホルダで保持されている円筒型電池がホルダに対してがたつくことを抑制できる。
According to the cylindrical battery holding structure of (1) above, when a plurality of holders are provided in the circumferential direction and the cylindrical battery is inserted inside, at least a part of the plurality of holders is pushed by the cylindrical battery. Since the elastic deformation portion that elastically deforms radially outward is provided, the cylindrical battery can be held without rattling by the elastic deformation portion. In this structure, the rubber (O-ring) provided conventionally is unnecessary, and as a result, the number of parts can be reduced and the cost can be reduced as compared with the case where the rubber (O-ring) is provided.
Further, the holder includes a base portion that holds the cylindrical battery from the axial direction, and a frame body portion that extends in the axial direction of the cylindrical battery from the outer edge portion of the base portion or the vicinity thereof, and the elastic deformation portion is Since the cylindrical battery is provided so as to protrude in the axial direction of the cylindrical battery from the base part inside the frame body part, even when the cylindrical battery is held by the elastically deforming part, the cylindrical battery is framed with respect to the holder. It can suppress that it moves outside from a part (a cylindrical battery falls off from a holder).
According to the cylindrical battery holding structure of ( 2 ) above, the elastic deformation part holding one of the plurality of cylindrical batteries and the cylindrical battery adjacent to the one of the plurality of cylindrical batteries are held. The elastic deformation part that directly connects the elastic deformation part that holds the one of the plurality of cylindrical batteries and the elasticity that holds the cylindrical battery adjacent to the one of the plurality of cylindrical batteries. The deformation part can be integrated. Therefore, when the elastic deformation part holding the one of the plurality of cylindrical batteries and the elastic deformation part holding the cylindrical battery adjacent to the one of the plurality of cylindrical batteries are not directly connected. In comparison, the mold structure for molding the holder can be simplified and the mold cost can be reduced.
According to the cylindrical battery holding structure of ( 3 ) above, the elastic deformation part holding one of the plurality of cylindrical batteries and the cylindrical battery adjacent to the one of the plurality of cylindrical batteries are held. The elastic deformation part that holds the one of the plurality of cylindrical batteries and the plurality of cylinders when the elastic deformation part is elastically deformed by being pushed by the cylindrical battery. The one of the battery cells and the elastic deformation part holding the adjacent cylindrical battery are in contact with each other. Therefore, one elastically deforming part is sandwiched between the cylindrical battery and the elastic deforming part that holds the cylindrical battery adjacent to the cylindrical battery, and one elastically deforming part is deformed more than a predetermined amount. Can be prevented. Therefore, it can suppress that the cylindrical battery currently hold | maintained with the holder shakes with respect to a holder.

以下に、本発明実施例の円筒型電池の保持構造を、図1〜図15を参照して、説明する。
図1〜図5は、本発明実施例1の円筒型電池の保持構造を示しており、図6〜図10は、本発明実施例2の円筒型電池の保持構造を示しており、図11〜図15は、本発明実施例3の円筒型電池の保持構造を示している。
本発明全実施例にわたって共通する部分には、本発明全実施例にわたって同じ符号を付してある。
まず、本発明全実施例にわたって共通する部分を、たとえば図1〜図4を参照して、説明する。
Below, the cylindrical battery holding structure of the embodiment of the present invention will be described with reference to FIGS.
1 to 5 show the cylindrical battery holding structure of Example 1 of the present invention, and FIGS. 6 to 10 show the cylindrical battery holding structure of Example 2 of the present invention. 15 shows a cylindrical battery holding structure of Example 3 of the present invention.
Portions common to all the embodiments of the present invention are denoted by the same reference numerals throughout the embodiments of the present invention.
First, portions common to all the embodiments of the present invention will be described with reference to FIGS.

本発明実施例の円筒型電池の保持構造10は、図1に示すように、複数(少なくとも3個以上)並列に配置される円筒型電池60の各円筒型電池60を、樹脂製のホルダ20を用いて保持する、円筒型電池の保持構造10である。   As shown in FIG. 1, the cylindrical battery holding structure 10 according to the embodiment of the present invention includes a plurality of (at least three or more) cylindrical batteries 60 arranged in parallel. Is a cylindrical battery holding structure 10.

円筒型電池60は、たとえば電気自動車に搭載される電池である。複数の円筒型電池60間には、円筒型電池60が熱をもってしまうことを抑制するために気体または液体が流入可能とされている。複数の円筒型電池60は、格子状に配置されていてもよいが、省スペース化のために円筒型電池60間の隙間Sが最小略最小を含む)となるように配置されている。複数の円筒型電池60が円筒型電池60間の隙間Sが最小略最小を含む)となるように配置されているため、円筒型電池60間の隙間Sは円筒型電池60の軸方向から見たとき三角形(略三角形を含む)となっている。
Cylindrical battery 60 is a battery mounted on, for example, an electric vehicle. Gas or liquid can flow between the plurality of cylindrical batteries 60 in order to prevent the cylindrical batteries 60 from having heat. The plurality of cylindrical batteries 60 may be arranged in a lattice shape, but are arranged so that the gap S between the cylindrical batteries 60 is minimized ( including substantially the minimum ) in order to save space. Since the plurality of cylindrical batteries 60 are arranged such that the gap S between the cylindrical batteries 60 is minimized ( including substantially the minimum ) , the gap S between the cylindrical batteries 60 is from the axial direction of the cylindrical battery 60. has become a triangle (including a substantially triangular) can saw.

ホルダ20は、樹脂製であり、型成形品である。ホルダ20は、2部品設けられており、円筒型電池60の軸方向各端部をそれぞれ保持する(ホルダ20は、円筒型電池60の両端部を保持している)。円筒型電池60の軸方向一端部を保持するホルダ20と円筒型電池60の軸方向他端部を保持するホルダ20とは同一形状とされており、同一の型を用いて成形される。   The holder 20 is made of resin and is a molded product. The holder 20 is provided with two parts, and holds each end in the axial direction of the cylindrical battery 60 (the holder 20 holds both ends of the cylindrical battery 60). The holder 20 that holds one axial end of the cylindrical battery 60 and the holder 20 that holds the other axial end of the cylindrical battery 60 have the same shape, and are molded using the same mold.

ホルダ20は、図2に示すように、複数の円筒型電池60の各円筒型電池60を軸方向から保持するベース部30と、ベース部30の外縁部31またはその近傍から円筒型電池60の軸方向に延びる(立ち上がる)枠体部40と、枠体部40の内側でベース部30から円筒型電池60の軸方向に突出して設けられる(立ち上がる)弾性変形部50と、を備える。   As shown in FIG. 2, the holder 20 includes a base portion 30 that holds each cylindrical battery 60 of the plurality of cylindrical batteries 60 from the axial direction, and the cylindrical battery 60 from the outer edge portion 31 of the base portion 30 or the vicinity thereof. A frame body portion 40 that extends (rises) in the axial direction and an elastic deformation portion 50 that protrudes (rises) from the base portion 30 in the axial direction of the cylindrical battery 60 inside the frame body portion 40.

ベース部30は、略矩形状である。ベース部30には、円筒型電池60と同数またはそれより多数、貫通穴32が設けられている。各貫通穴32は、図4に示すように、各円筒型電池60の正極を受け入れるために設けられている。ベース部30が設けられているため、複数並列に配置される円筒型電池60がホルダ20に対して円筒型電池60の軸方向に移動してしまうことを抑制できる。   The base part 30 has a substantially rectangular shape. The base portion 30 is provided with the same or more through holes 32 as the cylindrical battery 60. As shown in FIG. 4, each through hole 32 is provided to receive the positive electrode of each cylindrical battery 60. Since the base part 30 is provided, it can suppress that the cylindrical battery 60 arrange | positioned in multiple parallel moves to the axial direction of the cylindrical battery 60 with respect to the holder 20. FIG.

枠体部40は、ベース部30に一体成形されている。枠体部40は、図2に示すように、ベース部30の外縁部31またはその近傍にベース部30の全縁にわたって連続して設けられている。枠体部40の内側面には、断面視で円筒型電池60の径と同一径の円弧状とされた断面円弧状部41が複数設けられており、複数の円筒型電池60のうち軸直交方向の最も外側に配置される円筒型電池60の周方向一部を円筒型電池60の半径方向(軸直交方向)外側から保持できるようになっている。枠体部40が設けられているため、ホルダ20で保持している円筒型電池60が枠体部40よりも外側に移動してしまうこと(円筒型電池60がホルダ20から脱落してしまうこと)を抑制できる。
枠体部40とベース部30は、弾性変形不能または弾性変形しても無視できる程度とされている。
The frame body part 40 is integrally formed with the base part 30. As shown in FIG. 2, the frame body portion 40 is continuously provided over the entire edge of the base portion 30 at or near the outer edge portion 31 of the base portion 30. A plurality of circular arc-shaped sections 41 having an arc shape having the same diameter as that of the cylindrical battery 60 in a cross-sectional view are provided on the inner side surface of the frame body section 40. A part of the circumferential direction of the cylindrical battery 60 disposed on the outermost side in the direction can be held from the outside in the radial direction (axial orthogonal direction) of the cylindrical battery 60. Since the frame body portion 40 is provided, the cylindrical battery 60 held by the holder 20 moves to the outside of the frame body portion 40 (the cylindrical battery 60 falls off the holder 20). ) Can be suppressed.
The frame body portion 40 and the base portion 30 are not elastically deformable or are negligible even when elastically deformed.

弾性変形部50は、ベース部30に一体成形されている。弾性変形部50は、ベース部30の外縁部31またはその近傍以外の部位から円筒型電池60の軸方向と同方向に突出して設けられている。弾性変形部50のベース部30からの突出量は、枠体部40のベース部30からの立ち上がり量と同じであってもよく異なっていてもよい。弾性変形部50は、複数の円筒型電池60の各円筒型電池60を半径方向外側から保持することができるように、図3に示すように、周方向に複数設けられている。各弾性変形部50は、ホルダ20で円筒型電池60を保持しているとき、円筒型電池60間の隙間Sに入り込んでいる。   The elastic deformation portion 50 is integrally formed with the base portion 30. The elastic deformation portion 50 is provided so as to protrude from the outer edge portion 31 of the base portion 30 or a portion other than the vicinity thereof in the same direction as the axial direction of the cylindrical battery 60. The amount of protrusion of the elastic deformation portion 50 from the base portion 30 may be the same as or different from the amount of rise of the frame body portion 40 from the base portion 30. As shown in FIG. 3, a plurality of elastic deformation portions 50 are provided in the circumferential direction so that the cylindrical batteries 60 of the plurality of cylindrical batteries 60 can be held from the outside in the radial direction. Each elastic deformation portion 50 enters the gap S between the cylindrical batteries 60 when the holder 20 holds the cylindrical battery 60.

周方向に並んで複数設けられる弾性変形部50の少なくとも一部(複数のうちの少なくとも一個であってもよく、一個の弾性変形部50のうちの一部であってもよい)は、半径方向に弾性変形可能とされており、円筒型電池60が内側に挿入された際に円筒型電池60によって押されて半径方向外側に弾性変形する。   At least a part of the plurality of elastically deformable portions 50 arranged in the circumferential direction (at least one of the plurality of elastically deformable portions 50 or a part of one elastically deformable portion 50) may be in the radial direction. When the cylindrical battery 60 is inserted inside, it is pushed by the cylindrical battery 60 and elastically deformed radially outward.

ここで、本発明全実施例にわたって共通する作用を説明する。
ホルダ20が、周方向に複数設けられ円筒型電池60が内側(半径方向内側)に挿入された際に円筒型電池60によって押されて複数のうちの少なくとも一部が半径方向外側に弾性変形する弾性変形部50を備えるため、弾性変形した弾性変形部50の反力(復元力)にて円筒型電池60を半径方向外側からがたつき無く保持することができる。この構造では、従来設けられていたゴム(Oリング)が不要である、その結果、ゴム(Oリング)が設けられている場合に比べて、部品点数を削減できコストを削減できる。
Here, an operation common to all the embodiments of the present invention will be described.
When a plurality of holders 20 are provided in the circumferential direction and the cylindrical battery 60 is inserted inward (inward in the radial direction), at least a part of the plurality is elastically deformed outward in the radial direction. Since the elastic deformation portion 50 is provided, the cylindrical battery 60 can be held without rattling from the outside in the radial direction by the reaction force (restoring force) of the elastic deformation portion 50 that has been elastically deformed. In this structure, the rubber (O-ring) provided conventionally is unnecessary, and as a result, the number of parts can be reduced and the cost can be reduced as compared with the case where the rubber (O-ring) is provided.

ホルダ20が、円筒型電池60を軸方向から保持するベース部30と、ベース部30の外縁部31またはその近傍から円筒型電池60の軸方向に延びる枠体部40と、を備えており、弾性変形部50が、枠体部40の内側でベース部30から円筒型電池60の軸方向に突出して設けられているため、弾性変形部50で円筒型電池60を保持する場合であっても、円筒型電池60がホルダ20に対して枠体部40より外側に移動してしまうこと(円筒型電池60がホルダ20から脱落してしまうこと)を抑制できる。   The holder 20 includes a base portion 30 that holds the cylindrical battery 60 from the axial direction, and a frame body portion 40 that extends from the outer edge portion 31 of the base portion 30 or the vicinity thereof in the axial direction of the cylindrical battery 60. Since the elastic deformation portion 50 is provided to protrude from the base portion 30 in the axial direction of the cylindrical battery 60 inside the frame body portion 40, even when the cylindrical battery 60 is held by the elastic deformation portion 50. The cylindrical battery 60 can be prevented from moving outside the frame body 40 with respect to the holder 20 (the cylindrical battery 60 falling off the holder 20).

各弾性変形部50が、円筒型電池60間の隙間が最小略最小を含む)となるように複数の円筒型電池60を並べたときにできる三角形状(略三角形状を含む)の隙間Sに入り込んでいるため、弾性変形部50で円筒型電池60を保持する場合であっても、円筒型電池60間の隙間が最小略最小を含む)となるように複数の円筒型電池60を並べる(配置)することができる。 The elastic deformation portion 50, the gap between the cylindrical battery 60 is the smallest (including the substantially minimum) and a like plurality of can Ru triangle shape when arranged cylindrical battery 60 (including the generally triangular shape) Since the gap S is entered, even when the cylindrical battery 60 is held by the elastic deformation portion 50, the plurality of cylindrical batteries are set such that the gap between the cylindrical batteries 60 is minimized ( including substantially the minimum ). 60 can be arranged (arranged).

つぎに、本発明各実施例に特有な部分を説明する。
〔実施例1〕(図1〜図5)
本発明実施例1では、周方向に並んで設けられる弾性変形部50の各弾性変形部50の一部のみが半径方向外側に弾性変形可能とされている。
周方向に並んで設けられる弾性変形部50の各弾性変形部50の周方向中間部は、図5に示すように、その他の弾性変形部50部分に比べて半径方向内側(中心側)に膨出しており、該膨出している部分51が半径方向内側に挿入される円筒型電池60によって図5の矢印方向に押される(潰れる)。その結果、周方向に並んで設けられる弾性変形部50の各弾性変形部50の周方向中間部のみが半径方向外側に弾性変形する。
Next, parts unique to each embodiment of the present invention will be described.
[Example 1] (FIGS. 1 to 5)
In the first embodiment of the present invention, only a part of each elastic deformation portion 50 of the elastic deformation portions 50 provided side by side in the circumferential direction can be elastically deformed outward in the radial direction.
As shown in FIG. 5, the circumferential intermediate portion of each elastic deformation portion 50 of the elastic deformation portions 50 provided side by side in the circumferential direction swells radially inward (center side) as compared to the other elastic deformation portion 50 portions. The protruding portion 51 is pushed (collapsed) in the direction of the arrow in FIG. 5 by the cylindrical battery 60 inserted inward in the radial direction. As a result, only the intermediate portion in the circumferential direction of each elastic deformation portion 50 of the elastic deformation portions 50 provided side by side in the circumferential direction is elastically deformed outward in the radial direction.

本発明実施例1では、複数の円筒型電池60のうちの一つを保持する弾性変形部50(図5において符号50aで示す)と、複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50(図5において符号50bで示す)とが、直接連なっている(一体化されている)。
複数の円筒型電池60のうちの一つを保持する弾性変形部50aと隣りの円筒型電池60を保持する弾性変形部50bとは、それぞれの周方向端部でのみ直接連なっており、互いに一体化されていてもそれぞれの周方向中間部がそれぞれの半径方向に弾性変形することを阻害しないようにされている。
In the first embodiment of the present invention, the elastic deformation portion 50 (indicated by reference numeral 50a in FIG. 5) that holds one of the plurality of cylindrical batteries 60 and the one of the plurality of cylindrical batteries 60 are adjacent to each other. An elastic deformation portion 50 (indicated by reference numeral 50b in FIG. 5) that holds the cylindrical battery 60 is directly connected (integrated).
The elastic deformation portion 50a that holds one of the plurality of cylindrical batteries 60 and the elastic deformation portion 50b that holds the adjacent cylindrical battery 60 are directly connected only at the respective circumferential ends, and are integrated with each other. Even if it is made, each circumferential intermediate portion is not hindered from being elastically deformed in each radial direction.

本発明実施例1では、本発明全実施例にわたって共通する作用に加えて、さらにつぎの作用を得ることができる。
複数の円筒型電池60のうちの一つを保持する弾性変形部50aと複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50bとが直接連なっているため、複数の円筒型電池60のうちの前記一つを保持する弾性変形部50aと複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50bとを一体化できる。そのため、複数の円筒型電池60のうちの前記一つを保持する弾性変形部50aと複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50bとが直接連なっていない場合に比べて、ホルダ20を成形するための型構造を簡易化でき型費削減できる。
In the first embodiment of the present invention, the following operations can be obtained in addition to the operations common to all the embodiments of the present invention.
The elastic deformation part 50a holding one of the plurality of cylindrical batteries 60 and the elastic deformation part 50b holding the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 are directly connected. Therefore, the elastic deformation part 50a that holds the one of the plurality of cylindrical batteries 60 and the elastic deformation part 50b that holds the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 are integrated. Can be Therefore, the elastic deformation part 50a that holds the one of the plurality of cylindrical batteries 60 and the elastic deformation part 50b that holds the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 directly. Compared to the case where the holders 20 are not connected, the mold structure for molding the holder 20 can be simplified and the mold cost can be reduced.

〔実施例2〕(図6〜図10)
本発明実施例2では、周方向に並んで設けられる複数のうちの全部ではない少なくとも1個の弾性変形部50の一部のみが、半径方向外側に弾性変形可能とされている。
周方向に並んで設けられる複数のうちの全部ではない少なくとも1個の弾性変形部50は、図10に示すように、周方向中間部に爪部52を備えており、該爪部52のみが円筒型電池60によって押されて弾性変形する。
[Example 2] (FIGS. 6 to 10)
In the second embodiment of the present invention, only a part of at least one elastic deformation portion 50 that is not all of the plurality provided side by side in the circumferential direction can be elastically deformed radially outward.
As shown in FIG. 10, at least one elastic deformation portion 50 that is not all of the plurality provided side by side in the circumferential direction includes a claw portion 52 in the middle portion in the circumferential direction. It is elastically deformed by being pushed by the cylindrical battery 60.

本発明実施例2では、複数の円筒型電池60のうちの一つを保持する弾性変形部50と、複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50とが、直接連なっている(一体化されている)。
複数の円筒型電池60のうちの一つを保持する弾性変形部50と隣り合う円筒型電池60を保持する弾性変形部50とは、爪部52以外の部分で直接連なっており、互いに一体化されていても爪部52が弾性変形することを阻害しないようにされている。
In the second embodiment of the present invention, the elastic deformation portion 50 that holds one of the plurality of cylindrical batteries 60 and the elastic deformation that holds the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60. The part 50 is directly connected (integrated).
The elastic deformation portion 50 that holds one of the plurality of cylindrical batteries 60 and the elastic deformation portion 50 that holds the adjacent cylindrical batteries 60 are directly connected to each other at the portions other than the claw portions 52 and are integrated with each other. Even if it is done, the claw portion 52 is not hindered from being elastically deformed.

本発明実施例2では、本発明全実施例にわたって共通する作用に加えて、さらにつぎの作用を得ることができる。
複数の円筒型電池60のうちの一つを保持する弾性変形部50と複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50とが直接連なっているため、複数の円筒型電池60のうちの前記一つを保持する弾性変形部50と複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50とを一体化できる。そのため、複数の円筒型電池60のうちの前記一つを保持する弾性変形部50と複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50とが直接連なっていない場合に比べて、ホルダ20を成形するための型構造を簡易化でき型費削減できる。
In the embodiment 2 of the present invention, the following operations can be obtained in addition to the operations common to all the embodiments of the present invention.
The elastic deformation part 50 holding one of the plurality of cylindrical batteries 60 and the elastic deformation part 50 holding the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 are directly connected. Therefore, the elastic deformation part 50 that holds the one of the plurality of cylindrical batteries 60 and the elastic deformation part 50 that holds the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 are integrated. Can be Therefore, the elastic deformation part 50 that holds the one of the plurality of cylindrical batteries 60 and the elastic deformation part 50 that holds the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 directly. Compared to the case where the holders 20 are not connected, the mold structure for molding the holder 20 can be simplified and the mold cost can be reduced.

周方向に並んで設けられる複数のうちの全部ではない少なくとも1個の弾性変形部50のみに爪部52が設けられているため(弾性変形部50の全部には爪部52が設けられていないため)、周方向に並んで設けられる全ての弾性変形部50に爪部52を設ける場合に比べて、爪部52を成形するためにベース部30に設けられる型抜き用のスリット33の数を減らすことができる。その結果、ベース30の強度、剛性低下を抑制することができる。   Since the claw portion 52 is provided only in at least one elastic deformation portion 50 that is not all of the plurality provided side by side in the circumferential direction (the claw portion 52 is not provided in the entire elastic deformation portion 50). Therefore, as compared with the case where the claw portions 52 are provided in all the elastically deformable portions 50 provided side by side in the circumferential direction, the number of the slits 33 for punching provided in the base portion 30 for forming the claw portions 52 is reduced. Can be reduced. As a result, a decrease in strength and rigidity of the base 30 can be suppressed.

なお、本発明実施例2では、弾性変形部50だけでなく枠体部40にも爪部52を設けることができるのであれば、枠体部40にも爪部52を設けてもよい。   In the second embodiment of the present invention, the claw portion 52 may be provided on the frame body portion 40 as long as the claw portion 52 can be provided not only on the elastic deformation portion 50 but also on the frame body portion 40.

〔実施例3〕(図11〜図15)
本発明実施例3では、図15に示すように、周方向に並んで設けられる全弾性変形部50の全部が半径方向外側に弾性変形可能とされている。
複数の円筒型電池60のうちの一つを保持する弾性変形部50(図15において符号50aで示す)と複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50(図15において符号50bで示す)とは、ベース部30を介してのみ連なっており、直接には連なっていない。
図15の二点鎖線にて示すように、弾性変形部50が円筒型電池60によって押されて半径方向外側に弾性変形した際、複数の円筒型電池60のうちの一つを保持する弾性変形部50aと、複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50bとは、互いに接触し合う。
[Example 3] (FIGS. 11 to 15)
In the third embodiment of the present invention, as shown in FIG. 15, all of the all elastic deformation portions 50 provided side by side in the circumferential direction can be elastically deformed outward in the radial direction.
An elastic deformation portion 50 (indicated by reference numeral 50a in FIG. 15) for holding one of the plurality of cylindrical batteries 60 and an elasticity for holding the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60. The deformable portion 50 (indicated by reference numeral 50b in FIG. 15) is continuous only through the base portion 30, and is not directly connected.
As shown by a two-dot chain line in FIG. 15, when the elastic deformation portion 50 is pushed by the cylindrical battery 60 and elastically deforms outward in the radial direction, the elastic deformation that holds one of the plurality of cylindrical batteries 60. The part 50a and the elastic deformation part 50b holding the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 are in contact with each other.

本発明実施例3では、本発明全実施例にわたって共通する作用に加えて、さらにつぎの作用を得ることができる。
複数の円筒型電池60のうちの一つを保持する弾性変形部50aと複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50bとが直接連なっておらず、弾性変形部50が円筒型電池60によって押されて半径方向外側に弾性変形した際に、複数の円筒型電池60のうちの前記一つを保持する弾性変形部50aと複数の円筒型電池60のうちの前記一つと隣り合う円筒型電池60を保持する弾性変形部50bとが互いに接触し合うため、一つの弾性変形部50aが、円筒型電池60と、隣りの円筒型電池60を保持する弾性変形部50bとで挟まれる。そのため、一つの弾性変形部50aが所定量より大きく変形してしまうことを防止できる。そのため、ホルダ20で保持されている円筒型電池60がホルダ20に対してがたつくことを抑制できる。
In the embodiment 3 of the present invention, the following operations can be obtained in addition to the operations common to all the embodiments of the present invention.
An elastic deformation part 50a for holding one of the plurality of cylindrical batteries 60 and an elastic deformation part 50b for holding the cylindrical battery 60 adjacent to the one of the plurality of cylindrical batteries 60 are directly connected. First, when the elastic deformation part 50 is pushed by the cylindrical battery 60 and elastically deforms radially outward, the elastic deformation part 50a that holds the one of the plurality of cylindrical batteries 60 and the plurality of cylindrical batteries. The elastic deformation portion 50b that holds the adjacent cylindrical battery 60 and the one of the 60 is in contact with each other, so that one elastic deformation portion 50a holds the cylindrical battery 60 and the adjacent cylindrical battery 60. The elastic deformation portion 50b is sandwiched between. Therefore, it can prevent that one elastic deformation part 50a deform | transforms more than predetermined amount. Therefore, the cylindrical battery 60 held by the holder 20 can be prevented from rattling with respect to the holder 20.

本発明実施例1の円筒型電池の保持構造の、分解斜視図である。It is a disassembled perspective view of the cylindrical battery holding structure of Example 1 of the present invention. 本発明実施例1の円筒型電池の保持構造の、ホルダの斜視図である。It is a perspective view of a holder of the cylindrical battery holding structure of Example 1 of the present invention. 本発明実施例1の円筒型電池の保持構造の、ホルダの正面図である。It is a front view of a holder of the cylindrical battery holding structure of Example 1 of the present invention. 図3のA−A線断面図である。FIG. 4 is a sectional view taken along line AA in FIG. 3. 本発明実施例1の円筒型電池の保持構造の、弾性変形部のみの拡大正面図である。It is an enlarged front view of only the elastic deformation part of the holding | maintenance structure of the cylindrical battery of Example 1 of this invention. 本発明実施例2の円筒型電池の保持構造の、分解斜視図である。It is a disassembled perspective view of the cylindrical battery holding structure of Example 2 of the present invention. 本発明実施例2の円筒型電池の保持構造の、ホルダの斜視図である。It is a perspective view of a holder of the cylindrical battery holding structure of Example 2 of the present invention. 本発明実施例2の円筒型電池の保持構造の、ホルダの正面図である。It is a front view of a holder of the cylindrical battery holding structure of Example 2 of the present invention. 図8のA−A線断面図である。It is the sectional view on the AA line of FIG. 本発明実施例2の円筒型電池の保持構造の、弾性変形部の爪部とその近傍のみの部分拡大断面図である。It is a partial expanded sectional view only of the nail | claw part of an elastic deformation part, and its vicinity of the holding | maintenance structure of the cylindrical battery of Example 2 of this invention. 本発明実施例3の円筒型電池の保持構造の、分解斜視図である。It is a disassembled perspective view of the cylindrical battery holding structure of Example 3 of the present invention. 本発明実施例3の円筒型電池の保持構造の、ホルダの斜視図である。It is a perspective view of a holder of the cylindrical battery holding structure of Example 3 of the present invention. 本発明実施例3の円筒型電池の保持構造の、ホルダの正面図である。It is a front view of a holder of the cylindrical battery holding structure of Example 3 of the present invention. 図13のA−A線断面図である。It is AA sectional view taken on the line of FIG. 本発明実施例3の円筒型電池の保持構造の、弾性変形部のみの拡大正面図である。It is an enlarged front view of only the elastic deformation part of the holding | maintenance structure of the cylindrical battery of Example 3 of this invention. 従来の円筒型電池の保持構造の、断面図である。It is sectional drawing of the holding structure of the conventional cylindrical battery.

符号の説明Explanation of symbols

10 円筒型電池の保持構造
20 ホルダ
30 ベース部
31 ベース部の外縁部
32 貫通穴
33 スリット
40 枠体部
41 断面円弧状部
50 弾性変形部
51 弾性変形部の膨出している部分
52 爪部
60 円筒型電池
DESCRIPTION OF SYMBOLS 10 Cylindrical battery holding structure 20 Holder 30 Base part 31 Outer edge part 32 of base part Through-hole 33 Slit 40 Frame part 41 Cross-section arc-shaped part 50 Elastic deformation part 51 The bulging part 52 of an elastic deformation part Claw part 60 Cylindrical battery

Claims (3)

複数並列に配置される円筒型電池の各円筒型電池を樹脂製のホルダを用いて保持する円筒型電池の保持構造であって、
前記ホルダは、周方向に複数設けられ前記円筒型電池が内側に挿入された際に該円筒型電池によって押されて少なくとも一部が半径方向外側に弾性曲げ変形する弾性変形部を備えており、
前記ホルダは、前記円筒型電池の各円筒型電池を軸方向から保持するベース部と、該ベース部の外縁部またはその近傍から前記円筒型電池の軸方向に延びる枠体部と、を備えており、
前記弾性変形部は、前記枠体部の内側で前記ベース部から前記円筒型電池の軸方向に突出して設けられており、前記円筒型電池間の隙間が最小となるように複数の前記円筒型電池を並べたときにできる三角形状の隙間に入り込んでいる、円筒型電池の保持構造。
A cylindrical battery holding structure for holding a plurality of cylindrical batteries arranged in parallel using a resin holder,
The holder is provided with a plurality of circumferentially provided elastic deformation portions that are pushed by the cylindrical battery and elastically deformed at least partially outward in the radial direction when the cylindrical battery is inserted inside;
The holder includes a base portion that holds each cylindrical battery of the cylindrical battery from the axial direction, and a frame body portion that extends in the axial direction of the cylindrical battery from an outer edge portion of the base portion or the vicinity thereof. And
The elastic deformation portion is the inside of the frame portion is provided to protrude in the axial direction of the cylindrical battery from said base portion, a plurality of said cylindrical so that the clearance between the cylindrical batteries is minimum It intrudes into the gap of triangular shape that can when arranging the mold battery, retaining structure of cylindrical battery.
複数の前記円筒型電池のうちの一つを保持する前記弾性変形部と複数の前記円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが直接連なっている、請求項1記載の円筒型電池の保持構造。 The elastic deformation part holding one of the plurality of cylindrical batteries and the elastic deformation part holding a cylindrical battery adjacent to the one of the plurality of cylindrical batteries are directly connected to each other. Item 2. A cylindrical battery holding structure according to Item 1. 複数の前記円筒型電池のうちの一つを保持する前記弾性変形部と複数の前記円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが直接連なっておらず、
前記弾性変形部が前記円筒型電池によって押されて弾性変形した際に、複数の前記円筒型電池のうちの一つを保持する前記弾性変形部と複数の前記円筒型電池のうちの前記一つと隣り合う円筒型電池を保持する弾性変形部とが互いに接触し合う、請求項1記載の円筒型電池の保持構造。
The elastic deformation part holding one of the plurality of cylindrical batteries and the elastic deformation part holding the cylindrical battery adjacent to the one of the plurality of cylindrical batteries are not directly connected,
When the elastic deformation portion is pushed and elastically deformed by the cylindrical battery, the elastic deformation portion that holds one of the plurality of cylindrical batteries and the one of the plurality of cylindrical batteries; The cylindrical battery holding structure according to claim 1, wherein an elastic deformation part holding adjacent cylindrical batteries contacts each other.
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