JP6252780B2 - Seal material mounting jig - Google Patents

Seal material mounting jig Download PDF

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JP6252780B2
JP6252780B2 JP2014168739A JP2014168739A JP6252780B2 JP 6252780 B2 JP6252780 B2 JP 6252780B2 JP 2014168739 A JP2014168739 A JP 2014168739A JP 2014168739 A JP2014168739 A JP 2014168739A JP 6252780 B2 JP6252780 B2 JP 6252780B2
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sealing material
confirmation
housing
lid
height
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JP2016046049A (en
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真也 木村
真也 木村
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Toyota Industries Corp
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Toyota Industries 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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  • Battery Mounting, Suspending (AREA)

Description

本発明は、シール材の取り付け位置を案内するシール材取付治具に関する。   The present invention relates to a sealing material mounting jig for guiding a mounting position of a sealing material.

電池セルに液体などの異物が付着すると、電池セルの故障の原因となる。電池セルに異物が付着することを抑止するために電池セルを収容する密閉ケースとしては、例えば、特許文献１に記載されている。   If foreign matter such as liquid adheres to the battery cell, it may cause a failure of the battery cell. For example, Patent Document 1 discloses a hermetic case that houses a battery cell in order to prevent foreign matter from adhering to the battery cell.

特許文献１に記載された密閉ケースは、開口部を有する筐体と、筐体の開口部を閉塞する蓋体とを有している。筐体と蓋体との間には、シール材が設けられている。シール材は、筐体と蓋体に挟まれることで潰れて、筐体と蓋体との間の封止性を確保している。   The sealed case described in Patent Document 1 includes a housing having an opening and a lid that closes the opening of the housing. A sealing material is provided between the housing and the lid. The sealing material is crushed by being sandwiched between the casing and the lid, and the sealing property between the casing and the lid is ensured.

特開２０１１−１９４９８２号公報JP 2011-194982 A

ところで、密閉ケースにシール材を取り付けるときには、蓋体によって開口部を閉塞する前に筐体にシール材を取り付ける。その後、蓋体を筐体に取り付けることでシール材を蓋体によって潰すことで封止性が確保される。筐体にシール材を取り付ける際に、シール材を伸張させすぎたり、筐体とシール材との間に異物が侵入したりすると、筐体と蓋体との間の封止性が不足するおそれがある。   By the way, when attaching the sealing material to the sealed case, the sealing material is attached to the housing before the opening is closed by the lid. Then, sealing property is ensured by crushing a sealing material with a cover body by attaching a cover body to a housing | casing. When attaching the sealing material to the housing, if the sealing material is stretched too much or foreign matter enters between the housing and the sealing material, the sealing performance between the housing and the lid may be insufficient. There is.

本発明の目的は、筐体と蓋体との間の封止性が確保されるようにシール材を筐体に取り付けることができるシール材取付治具を提供することにある。   An object of the present invention is to provide a sealing material attaching jig capable of attaching a sealing material to a housing so as to ensure a sealing property between the housing and a lid.

上記課題を解決するシール材取付治具は、電池セルが収容されるとともに開口部を有する筐体と前記開口部を閉塞する蓋体との間を封止するシール材の取り付け位置を案内するシール材取付治具であって、前記筐体において、前記開口部を区画する壁部の前記蓋体と対向する端面に取り付けられるとともに前記開口部を囲む環状の第１枠部材と、前記第１枠部材に対して間隔を空けて前記端面に取り付けられるとともに前記第１枠部材を囲む環状の第２枠部材と、を備え、前記端面と前記第１枠部材及び前記第２枠部材との対向方向を高さ方向とすると、前記第１枠部材及び前記第２枠部材の少なくとも一方は、前記筐体と前記蓋体との間の封止性を確保するのに要する前記シール材の前記端面からの高さの下限を規定する第１確認面を有し、前記第１枠部材及び前記第２枠部材の少なくとも一方は、前記筐体と前記蓋体との間の封止性を確保するのに要する前記シール材の前記端面からの高さの上限を規定する第２確認面を有する。   A sealing material mounting jig that solves the above-described problem is a seal that guides the mounting position of a sealing material that seals between a housing that houses battery cells and has an opening and a lid that closes the opening. An annular first frame member that is attached to an end surface of the housing that faces the lid of the wall section that defines the opening and surrounds the opening, in the housing, and the first frame An annular second frame member that is attached to the end surface at a distance from the member and surrounds the first frame member, and the opposing direction of the end surface, the first frame member, and the second frame member Is the height direction, at least one of the first frame member and the second frame member is from the end surface of the sealing material required to ensure the sealing performance between the housing and the lid. Has a first confirmation surface that defines the lower limit of the height of At least one of the first frame member and the second frame member defines an upper limit of the height from the end surface of the sealing material required to ensure sealing between the housing and the lid. A second confirmation surface.

これによれば、筐体にシール材を取り付けるときには、第１枠部材と第２枠部材との間に、各枠部材に沿ってシール材を取り付ける。このとき、シール材を伸張させすぎて、筐体と蓋体との間の封止性を確保できなくなると、シール材の端面からの高さが第１確認面よりも低くなる。また、筐体とシール材との間に異物が侵入した場合には、シール材の端面からの高さが第２確認面よりも高くなる。このため、シール材の端面からの高さが、第１確認面よりも高く、かつ、第２確認面よりも低くなるように筐体の端面にシール材を取り付けることで、筐体と蓋体との間の封止性が確保されるようにシール材を筐体に取り付けることができる。   According to this, when attaching a sealing material to a housing | casing, a sealing material is attached along each frame member between a 1st frame member and a 2nd frame member. At this time, if the sealing material is stretched too much to ensure the sealing property between the housing and the lid, the height from the end surface of the sealing material becomes lower than the first confirmation surface. Further, when a foreign object enters between the housing and the sealing material, the height from the end face of the sealing material becomes higher than the second confirmation surface. For this reason, by attaching the sealing material to the end surface of the housing so that the height from the end surface of the sealing material is higher than the first confirmation surface and lower than the second confirmation surface, the housing and the lid The sealing material can be attached to the housing so as to ensure the sealing property between the two.

上記シール材取付治具について、前記第１枠部材及び前記第２枠部材の両方が前記第１確認面及び前記第２確認面を有することが好ましい。
これによれば、シール材を挟んで両側に第１確認面及び第２確認面が位置する。シール材が変形して、シール材の端面からの高さに高低差が生じた場合、端面からの高さが高い部分が第１枠部材又は第２枠部材に寄って位置する場合がある。この場合、シール材の端面からの高さが高い部分が寄って位置している方の枠部材に第１確認面及び第２確認面があるとシール材の端面からの高さと第１確認面及び第２確認面とを比較しやすい。第１枠部材及び第２枠部材の両方に第１確認面及び第２確認面を設けることで、シール材の端面からの高さが高い部分が第１枠部材及び第２枠部材のいずれに寄って位置していても、第１確認面及び第２確認面との比較を行いやすい。 About the said sealing material attachment jig | tool, it is preferable that both the said 1st frame member and the said 2nd frame member have a said 1st confirmation surface and a said 2nd confirmation surface.
According to this, the first confirmation surface and the second confirmation surface are located on both sides of the sealing material. When the sealing material is deformed and a height difference is generated in the height from the end surface of the sealing material, a portion having a high height from the end surface may be located near the first frame member or the second frame member. In this case, if there is a first confirmation surface and a second confirmation surface on the frame member on which the portion whose height from the end surface of the sealing material is higher is closer, the height from the end surface of the sealing material and the first confirmation surface And it is easy to compare with the second confirmation surface. By providing the first confirmation surface and the second confirmation surface on both the first frame member and the second frame member, the portion having a high height from the end surface of the sealing material is in either the first frame member or the second frame member. Even if they are close to each other, it is easy to compare the first confirmation surface and the second confirmation surface.

本発明によれば、筐体と蓋体との間の封止性が確保されるようにシール材を筐体に取り付けることができる。   According to the present invention, the sealing material can be attached to the casing so as to ensure the sealing performance between the casing and the lid.

電池パックを示す斜視図。The perspective view which shows a battery pack. 筐体を示す正面図。The front view which shows a housing | casing. 筐体へのシール材取付治具の取付態様を示す分解斜視図。The disassembled perspective view which shows the attachment aspect of the sealing material attachment jig | tool to a housing | casing. 筐体に取り付けられたシール材取付治具を示す図３の４−４線端面図。FIG. 4 is an end view taken along line 4-4 of FIG. 3 showing a sealing material mounting jig attached to the housing. シール材を筐体に取り付けるときのシール材取付治具の一部を破断して示す斜視図。The perspective view which fractures | ruptures and shows a part of sealing material attachment jig | tool when attaching a sealing material to a housing | casing. 筐体とシール材との間に異物が侵入した場合のシール材取付治具とシール材との関係を示す端面図。The end view which shows the relationship between a sealing material attachment jig | tool and a sealing material when a foreign material penetrate | invades between a housing | casing and a sealing material. シール材を伸張させすぎた場合のシール材取付治具とシール材との関係を示す端面図。The end view which shows the relationship between the sealing material attachment jig | tool at the time of extending a sealing material too much, and a sealing material. 変形例のシール材取付治具を示す端面図。The end view which shows the sealing material attachment jig | tool of a modification. 変形例のシール材取付治具を示す端面図。The end view which shows the sealing material attachment jig | tool of a modification.

以下、シール材取付治具の一実施形態について説明する。
図１に示すように、電池パック１０は密閉ケース１１を有している。密閉ケース１１には、複数の電池セルＢＣが収容されている。 Hereinafter, an embodiment of the sealing material mounting jig will be described.
As shown in FIG. 1, the battery pack 10 has a sealed case 11. The sealed case 11 houses a plurality of battery cells BC.

図１及び図２に示すように、密閉ケース１１は、開口部１２を有する筐体１３と、筐体１３の開口部１２を閉塞する平板状の蓋体２０とを備えている。筐体１３は、平板状の基部１４と、基部１４の周縁から立設した枠状の壁部１５とを有している。開口部１２は、壁部１５に囲まれることで区画されている。   As shown in FIGS. 1 and 2, the sealed case 11 includes a housing 13 having an opening 12 and a flat lid 20 that closes the opening 12 of the housing 13. The housing 13 has a flat plate-like base portion 14 and a frame-like wall portion 15 erected from the periphery of the base portion 14. The opening 12 is partitioned by being surrounded by the wall 15.

壁部１５には、蓋体２０と対向する端面１６に開口するとともに内周に雌ネジを有するネジ穴１７が複数設けられている。また、ネジ穴１７よりも内側、すなわち、開口部１２側には、端面１６に開口する挿入穴１８が設けられている。   The wall portion 15 is provided with a plurality of screw holes 17 that open to the end surface 16 facing the lid body 20 and have internal threads on the inner periphery. An insertion hole 18 that opens to the end face 16 is provided on the inner side of the screw hole 17, that is, on the opening 12 side.

蓋体２０には、厚み方向に貫通する貫通孔２１が複数設けられている。この貫通孔２１は、壁部１５に設けられたネジ穴１７と対応して設けられている。具体的にいえば、蓋体２０によって開口部１２を閉塞したときに、ネジ穴１７と貫通孔２１とが対向するように貫通孔２１が設けられている。蓋体２０は、貫通孔２１を挿通したボルト２２がネジ穴１７に螺合されることで筐体１３に固定されている。   The lid 20 is provided with a plurality of through-holes 21 penetrating in the thickness direction. The through hole 21 is provided in correspondence with the screw hole 17 provided in the wall portion 15. Specifically, the through hole 21 is provided so that the screw hole 17 and the through hole 21 face each other when the opening 12 is closed by the lid 20. The lid body 20 is fixed to the housing 13 by a bolt 22 inserted through the through hole 21 being screwed into the screw hole 17.

筐体１３と蓋体２０との間には、シール材２３が設けられている。シール材２３は、１つの長尺状の弾性部材を端面１６の形状に合わせて折り曲げたものであり、開口部１２を囲んでいる。弾性部材は、例えば、ゴムや、ゴムスポンジなどである。シール材２３の始端と終端は重なり合って設けられている。本実施形態では、シール材２３の一面が粘着面となっており、この粘着面によってシール材２３を端面１６に貼り付けている。シール材２３は、ネジ穴１７と挿入穴１８との間に設けられている。シール材２３は、蓋体２０によって潰されることで、筐体１３と蓋体２０との間を封止している。   A sealing material 23 is provided between the housing 13 and the lid 20. The sealing material 23 is formed by bending one long elastic member in accordance with the shape of the end face 16 and surrounds the opening 12. The elastic member is, for example, rubber or rubber sponge. The start end and the end end of the sealing material 23 are provided so as to overlap each other. In this embodiment, one surface of the sealing material 23 is an adhesive surface, and the sealing material 23 is attached to the end surface 16 by this adhesive surface. The sealing material 23 is provided between the screw hole 17 and the insertion hole 18. The sealing material 23 is crushed by the lid 20 to seal between the housing 13 and the lid 20.

次に、筐体１３にシール材２３を取り付ける方法について作用とともに説明する。
図３に示すように、筐体１３にシール材２３を取り付けるときには、まず、筐体１３にシール材取付治具３０を配置する。シール材取付治具３０は、第１枠部材としての内枠３１と、第２枠部材としての外枠４１とを備えている。内枠３１と外枠４１とは、ともに端面１６の形状、すなわち、開口部１２の形状に合わせて環状に構成されている。 Next, a method for attaching the sealing material 23 to the housing 13 will be described together with the operation.
As shown in FIG. 3, when the sealing material 23 is attached to the housing 13, first, the sealing material attaching jig 30 is disposed on the housing 13. The sealing material mounting jig 30 includes an inner frame 31 as a first frame member and an outer frame 41 as a second frame member. Both the inner frame 31 and the outer frame 41 are formed in an annular shape in accordance with the shape of the end face 16, that is, the shape of the opening 12.

図３及び図４に示すように、内枠３１において、内枠３１によって囲まれる開口を区画する面を内面３２とし、内面３２とは反対側の面を外面３３とすると、内枠３１は、内面３２と外面３３とを繋ぐ底面３４からの高さが異なる第１内枠部３５と、第２内枠部３６とを有している。第１内枠部３５は、第２内枠部３６に比べて底面３４からの高さが高い。第２内枠部３６は、第１内枠部３５の外周を囲んでいる。第１内枠部３５には、複数の第１取付孔３７が設けられている。第１取付孔３７は、挿入穴１８に対応して設けられている。具体的にいえば、内枠３１を端面１６に載置したときに、第１取付孔３７と挿入穴１８とが対向するように第１取付孔３７が設けられている。   As shown in FIG. 3 and FIG. 4, in the inner frame 31, when the surface defining the opening surrounded by the inner frame 31 is an inner surface 32 and the surface opposite to the inner surface 32 is an outer surface 33, the inner frame 31 is A first inner frame portion 35 and a second inner frame portion 36 having different heights from the bottom surface 34 connecting the inner surface 32 and the outer surface 33 are provided. The first inner frame portion 35 is higher in height from the bottom surface 34 than the second inner frame portion 36. The second inner frame portion 36 surrounds the outer periphery of the first inner frame portion 35. A plurality of first attachment holes 37 are provided in the first inner frame portion 35. The first mounting hole 37 is provided corresponding to the insertion hole 18. Specifically, the first mounting hole 37 is provided so that the first mounting hole 37 and the insertion hole 18 face each other when the inner frame 31 is placed on the end surface 16.

外枠４１において、外枠４１によって囲まれる開口を区画する面を内面４２とし、内面４２とは反対側の面を外面４３とすると、外枠４１は、内面４２と外面４３とを繋ぐ底面４４からの高さが異なる第１外枠部４５と、第２外枠部４６とを有している。第１外枠部４５は、第２外枠部４６に比べて底面４４からの高さが高い。第１外枠部４５は、第２外枠部４６の外周を囲んでいる。第１外枠部４５には、複数の第２取付孔４７が設けられている。第２取付孔４７は、ネジ穴１７に対応して設けられている。具体的にいえば、外枠４１を端面１６に載置したときに、第２取付孔４７とネジ穴１７とが対向するように第２取付孔４７が設けられている。外枠４１の第２外枠部４６によって区画される開口は、内枠３１の第２内枠部３６の外周よりも大きく、外枠４１の開口内に内枠３１を収めることができる。   In the outer frame 41, when a surface defining an opening surrounded by the outer frame 41 is an inner surface 42 and a surface opposite to the inner surface 42 is an outer surface 43, the outer frame 41 is a bottom surface 44 that connects the inner surface 42 and the outer surface 43. The first outer frame portion 45 and the second outer frame portion 46 are different in height from the first outer frame portion. The first outer frame portion 45 is higher in height from the bottom surface 44 than the second outer frame portion 46. The first outer frame portion 45 surrounds the outer periphery of the second outer frame portion 46. A plurality of second attachment holes 47 are provided in the first outer frame portion 45. The second mounting hole 47 is provided corresponding to the screw hole 17. Specifically, the second mounting hole 47 is provided so that the second mounting hole 47 and the screw hole 17 face each other when the outer frame 41 is placed on the end surface 16. The opening defined by the second outer frame portion 46 of the outer frame 41 is larger than the outer periphery of the second inner frame portion 36 of the inner frame 31, and the inner frame 31 can be accommodated in the opening of the outer frame 41.

シール材２３を筐体１３に取り付けるときには、基部１４が鉛直方向下方に位置し、開口部１２が鉛直方向上方に開口するように筐体１３が配置される。また、筐体１３に設けられた一部のネジ穴１７及び全ての挿入穴１８には、円柱状のピン５１が挿入される。   When the sealing material 23 is attached to the housing 13, the housing 13 is disposed so that the base portion 14 is positioned downward in the vertical direction and the opening portion 12 is open upward in the vertical direction. A cylindrical pin 51 is inserted into a part of the screw holes 17 and all the insertion holes 18 provided in the housing 13.

そして、内枠３１と、外枠４１とは端面１６に取り付けられる。挿入穴１８に挿入されたピン５１は、内枠３１の第１取付孔３７に挿入される。また、ネジ穴１７に挿入されたピン５１は、外枠４１の第２取付孔４７に挿入される。これにより、内枠３１及び外枠４１は、ピン５１によって位置決めされるとともに、鉛直方向上方とは異なる方向への移動が規制されている。   The inner frame 31 and the outer frame 41 are attached to the end surface 16. The pin 51 inserted into the insertion hole 18 is inserted into the first mounting hole 37 of the inner frame 31. Further, the pin 51 inserted into the screw hole 17 is inserted into the second mounting hole 47 of the outer frame 41. As a result, the inner frame 31 and the outer frame 41 are positioned by the pins 51, and movement in a direction different from the upper direction in the vertical direction is restricted.

外枠４１は、内枠３１に対して間隔を空けて設けられている。外枠４１は、内枠３１を囲んでおり、内枠３１は、外枠４１の開口内に設けられている。第２内枠部３６と第２外枠部４６とは、向かい合って設けられている。これにより、第２内枠部３６と第２外枠部４６との間には、溝５２が区画されている。この溝５２の幅、すなわち、第２内枠部３６と第２外枠部４６との対向面間の寸法は、シール材２３が良品のとき、すなわち、筐体１３と蓋体２０との間の封止性を確保することができるときのシール材２３の幅よりも若干大きな寸法に設定されている。換言すれば、第２内枠部３６と第２外枠部４６とは、端面１６に位置決めされた状態で良品のシール材２３をかたどった溝５２が区画されるように構成されている。したがって、内枠３１と外枠４１との位置決めを行うピン５１は、内枠３１と外枠４１が端面１６に載置されたときに、シール材２３が良品のときのシール材２３の幅よりも若干大きな間隔で第２内枠部３６と第２外枠部４６が位置するように設けられているといえる。   The outer frame 41 is provided with a space from the inner frame 31. The outer frame 41 surrounds the inner frame 31, and the inner frame 31 is provided in the opening of the outer frame 41. The second inner frame portion 36 and the second outer frame portion 46 are provided to face each other. Thereby, a groove 52 is defined between the second inner frame portion 36 and the second outer frame portion 46. The width of the groove 52, that is, the dimension between the opposing surfaces of the second inner frame portion 36 and the second outer frame portion 46 is determined when the sealing material 23 is a non-defective product, that is, between the housing 13 and the lid 20. Is set to a dimension slightly larger than the width of the sealing material 23 when the sealing performance can be secured. In other words, the second inner frame portion 36 and the second outer frame portion 46 are configured such that a groove 52 shaped like a non-defective sealing material 23 is defined in a state where the second inner frame portion 36 and the second outer frame portion 46 are positioned on the end surface 16. Therefore, the pin 51 for positioning the inner frame 31 and the outer frame 41 is larger than the width of the sealing material 23 when the sealing material 23 is a good product when the inner frame 31 and the outer frame 41 are placed on the end surface 16. It can also be said that the second inner frame portion 36 and the second outer frame portion 46 are provided so as to be positioned at a slightly larger interval.

また、端面１６と内枠３１及び外枠４１との対向方向を高さ方向とすると、第２内枠部３６及び第２外枠部４６の高さ方向の面のうち底面３４，４４とは反対側の第１確認面３８，４８は、筐体１３と蓋体２０との間の封止性を確保するのに要するシール材２３の端面１６からの高さの下限を規定している。内枠３１の第１確認面３８と外枠４１の第１確認面４８とは同一の高さに位置している。   Also, assuming that the facing direction of the end face 16 and the inner frame 31 and the outer frame 41 is the height direction, the bottom surfaces 34 and 44 of the surfaces in the height direction of the second inner frame portion 36 and the second outer frame portion 46 are: The first confirmation surfaces 38 and 48 on the opposite side define the lower limit of the height from the end surface 16 of the sealing material 23 required to ensure the sealing performance between the housing 13 and the lid 20. The first confirmation surface 38 of the inner frame 31 and the first confirmation surface 48 of the outer frame 41 are located at the same height.

第１内枠部３５及び第１外枠部４５の高さ方向の面のうち底面３４，４４とは反対側の第２確認面３９，４９は、筐体１３と蓋体２０との間の封止性を確保するのに要するシール材２３の端面１６からの高さの上限を規定している。内枠３１の第２確認面３９と外枠４１の第２確認面４９とは同一の高さに位置している。なお、端面１６と内枠３１の底面３４、及び端面１６と外枠４１の底面４４とはそれぞれ接触しているため、端面１６と底面３４，４４とが同一の高さに位置しているとみなすと、端面１６からのシール材２３の高さは、底面３４，４４からのシール材２３の高さと捉えることもできる。   Of the surfaces in the height direction of the first inner frame portion 35 and the first outer frame portion 45, the second confirmation surfaces 39, 49 on the opposite side of the bottom surfaces 34, 44 are between the housing 13 and the lid body 20. The upper limit of the height from the end surface 16 of the sealing material 23 required to ensure sealing performance is defined. The second confirmation surface 39 of the inner frame 31 and the second confirmation surface 49 of the outer frame 41 are located at the same height. In addition, since the end surface 16 and the bottom surface 34 of the inner frame 31 and the end surface 16 and the bottom surface 44 of the outer frame 41 are in contact with each other, the end surface 16 and the bottom surfaces 34 and 44 are positioned at the same height. When considered, the height of the sealing material 23 from the end face 16 can also be regarded as the height of the sealing material 23 from the bottom surfaces 34 and 44.

図５に示すように、内枠３１及び外枠４１を端面１６に取り付けた後には、内枠３１及び外枠４１の間の溝５２に沿ってシール材２３を端面１６に貼り付けていく。この際、シール材２３の端面１６からの高さを確認しながらシール材２３を端面１６に貼り付ける。シール材２３の端面１６からの高さを確認して、シール材２３の端面１６からの高さが第１確認面３８，４８の高さよりも高く、かつ、第２確認面３９，４９の高さよりも低ければ蓋体２０によって開口部１２を閉塞したときに筐体１３と蓋体２０との間の封止性が確保されていると判断することができる。シール材２３の高さを確認するときには、シール材２３の高さ方向の面のうち、端面１６と接する面とは反対側の面２４が第１確認面３８，４８と、第２確認面３９，４９との間に位置しているか否かを確認する。面２４が第１確認面３８，４８と、第２確認面３９，４９との間に位置しているか否かは、面２４の位置と第１確認面３８，４８及び第２確認面３９，４９との位置を視認や触れることによって比較することで判断することができる。   As shown in FIG. 5, after the inner frame 31 and the outer frame 41 are attached to the end surface 16, the sealing material 23 is attached to the end surface 16 along the groove 52 between the inner frame 31 and the outer frame 41. At this time, the sealing material 23 is affixed to the end surface 16 while confirming the height of the sealing material 23 from the end surface 16. The height from the end surface 16 of the sealing material 23 is confirmed, the height from the end surface 16 of the sealing material 23 is higher than the height of the first confirmation surfaces 38, 48, and the height of the second confirmation surfaces 39, 49. If lower than this, it can be determined that the sealing property between the housing 13 and the lid 20 is secured when the opening 12 is closed by the lid 20. When the height of the sealing material 23 is confirmed, the surface 24 on the opposite side of the surface in contact with the end surface 16 among the surfaces in the height direction of the sealing material 23 is the first confirmation surfaces 38 and 48 and the second confirmation surface 39. , 49 to check whether it is located. Whether or not the surface 24 is positioned between the first confirmation surfaces 38 and 48 and the second confirmation surfaces 39 and 49 depends on the position of the surface 24 and the first confirmation surfaces 38 and 48 and the second confirmation surfaces 39 and 49. It can be determined by comparing the position with 49 by visual recognition or touching.

図６に示すように、筐体１３とシール材２３との間に異物６１が侵入している場合には、シール材２３の高さが第２確認面３９，４９よりも高くなり、シール材２３が第２確認面３９，４９から突出する。筐体１３とシール材２３との間に異物６１が侵入している場合、筐体１３とシール材２３との間に隙間ができ、開口部１２を蓋体２０で閉塞したときに、筐体１３と蓋体２０との封止性が不足するおそれがある。シール材２３が第２確認面３９，４９から突出している場合には、異物６１を除去して、再度シール材２３を貼り付ける。なお、シール材２３の高さが第２確認面３９，４９を超えない程度の大きさの異物が端面１６とシール材２３との間に侵入した場合には、シール材取付治具３０によって異物が侵入したことを検出することはできない。しかしながら、開口部１２を蓋体２０で閉塞した後には、密閉ケース１１の密閉性を検査する検査が行われるため、異物によって筐体１３と蓋体２０との封止性が不足している場合には、この検査によって異物の侵入を検出することができる。   As shown in FIG. 6, when foreign matter 61 enters between the housing 13 and the sealing material 23, the height of the sealing material 23 is higher than the second confirmation surfaces 39 and 49, and the sealing material 23 protrudes from the second confirmation surfaces 39 and 49. When foreign matter 61 enters between the housing 13 and the sealing material 23, a gap is formed between the housing 13 and the sealing material 23, and the housing 12 is closed when the opening 12 is closed with the lid 20. There is a possibility that the sealing performance between the cover 13 and the lid 20 is insufficient. When the sealing material 23 protrudes from the second confirmation surfaces 39 and 49, the foreign matter 61 is removed and the sealing material 23 is pasted again. If a foreign material having a size that the height of the sealing material 23 does not exceed the second confirmation surfaces 39, 49 enters between the end surface 16 and the sealing material 23, the foreign material is removed by the sealing material mounting jig 30. Cannot be detected. However, after the opening 12 is closed with the lid 20, an inspection for inspecting the hermeticity of the hermetic case 11 is performed, and thus the sealing property between the housing 13 and the lid 20 is insufficient due to foreign matter. In this case, the entry of foreign matter can be detected by this inspection.

図７に示すように、シール材２３を貼り付けるときにシール材２３を伸張しすぎた場合には、シール材２３の高さが第１確認面３８，４８の高さよりも低くなる。シール材２３の端面１６からの高さが第１確認面３８，４８よりも低いと、蓋体２０によって開口部１２を閉塞したときに、シール材２３の潰れ量が少なく、封止性が不足するおそれがある。シール材２３の端面１６からの高さが第１確認面３８，４８よりも低い場合には、シール材２３の端面１６からの高さが第１確認面３８，４８よりも高く、かつ、第２確認面３９，４９よりも低くなるように再度シール材２３を貼り付ける。   As shown in FIG. 7, when the sealing material 23 is extended too much when the sealing material 23 is applied, the height of the sealing material 23 becomes lower than the height of the first confirmation surfaces 38 and 48. If the height of the sealing material 23 from the end surface 16 is lower than the first confirmation surfaces 38 and 48, the crushing amount of the sealing material 23 is small when the opening 12 is closed by the lid 20, and the sealing performance is insufficient. There is a risk. When the height from the end surface 16 of the sealing material 23 is lower than the first confirmation surfaces 38, 48, the height from the end surface 16 of the sealing material 23 is higher than the first confirmation surfaces 38, 48, and 2 The sealing material 23 is pasted again so as to be lower than the confirmation surfaces 39 and 49.

筐体１３にシール材２３を貼り付けた後には、シール材取付治具３０及びピン５１を筐体１３から取り外し、蓋体２０によって開口部１２を閉塞する。
したがって、上記実施形態によれば以下のような効果を得ることができる。 After the sealing material 23 is attached to the housing 13, the sealing material mounting jig 30 and the pin 51 are removed from the housing 13 and the opening 12 is closed by the lid 20.
Therefore, according to the above embodiment, the following effects can be obtained.

（１）端面１６にシール材２３を貼り付けるときに、端面１６からのシール材２３の高さが第１確認面３８，４８よりも低い場合、及び端面１６からのシール材２３の高さが第２確認面３９，４９よりも高い場合には、開口部１２を蓋体２０で閉塞したときに筐体１３と蓋体２０との間の封止性が不足すると判断することができる。したがって、シール材２３の端面１６からの高さが、第１確認面３８，４８と第２確認面３９，４９との間に位置するようにシール材２３を取り付けることで、端面１６と蓋体２０との間の封止性が確保されるようにシール材２３を筐体１３に取り付けることができる。このため、電池セルＢＣが収容された密閉ケース１１内に液体などの異物が侵入しにくく、電池セルＢＣの故障を抑制することができる。   (1) When the sealing material 23 is attached to the end surface 16, the height of the sealing material 23 from the end surface 16 is lower than the first confirmation surfaces 38 and 48, and the height of the sealing material 23 from the end surface 16 is When the height is higher than the second confirmation surfaces 39 and 49, it can be determined that the sealing property between the housing 13 and the lid 20 is insufficient when the opening 12 is closed with the lid 20. Therefore, by attaching the sealing material 23 so that the height of the sealing material 23 from the end surface 16 is located between the first confirmation surfaces 38 and 48 and the second confirmation surfaces 39 and 49, the end surface 16 and the lid body are attached. The sealing material 23 can be attached to the housing 13 so as to ensure the sealing property with the housing 20. For this reason, it is difficult for foreign matters such as liquid to enter the sealed case 11 in which the battery cell BC is accommodated, and the failure of the battery cell BC can be suppressed.

（２）また、端面１６からのシール材２３の高さによって、開口部１２を蓋体２０で閉塞したときに、筐体１３と蓋体２０との間の封止性が確保されているか否かを判断することができるため、容易に封止性が確保されているかを判断することができる。   (2) Whether the sealing property between the housing 13 and the lid 20 is secured when the opening 12 is closed by the lid 20 due to the height of the sealing material 23 from the end face 16. Therefore, it can be easily determined whether the sealing property is secured.

（３）内枠３１及び外枠４１の両方に第１確認面３８，４８及び第２確認面３９，４９を設けている。シール材２３は変形するため、部位毎に高低差が生じる場合がある。このとき、端面１６からの高さが高い部分が、内枠３１又は外枠４１のいずれかに寄って設けられている場合、端面１６からの高さが高い部分が寄って設けられた内枠３１又は外枠４１に第１確認面３８，４８及び第２確認面３９，４９があるとシール材２３の端面１６からの高さと第１確認面３８，４８及び第２確認面３９，４９とを比較しやすい。内枠３１及び外枠４１の両方に第１確認面３８，４８及び第２確認面３９，４９があると、シール材２３の端面１６からの高さが高い部分が内枠３１及び外枠４１のいずれかに寄っていても第１確認面３８，４８及び第２確認面３９，４９との比較を行いやすい。   (3) The first confirmation surfaces 38 and 48 and the second confirmation surfaces 39 and 49 are provided on both the inner frame 31 and the outer frame 41. Since the sealing material 23 is deformed, there may be a difference in height for each part. At this time, when the portion having a high height from the end surface 16 is provided near either the inner frame 31 or the outer frame 41, the inner frame provided with a portion having a high height from the end surface 16 is provided. 31 or the outer frame 41 has the first confirmation surfaces 38, 48 and the second confirmation surfaces 39, 49, the height from the end face 16 of the seal material 23, the first confirmation surfaces 38, 48 and the second confirmation surfaces 39, 49, Easy to compare. When the first confirmation surfaces 38 and 48 and the second confirmation surfaces 39 and 49 are provided on both the inner frame 31 and the outer frame 41, the portions of the sealing material 23 having a high height from the end surface 16 are the inner frame 31 and the outer frame 41. It is easy to compare the first confirmation surfaces 38 and 48 and the second confirmation surfaces 39 and 49 even if they are either.

（４）ネジ穴１７にピン５１を挿入している。このため、蓋体２０を筐体１３に固定するためのボルト２２が螺合されるネジ穴１７をピン５１の支持穴として兼用することができる。   (4) The pin 51 is inserted into the screw hole 17. For this reason, the screw hole 17 into which the bolt 22 for fixing the lid 20 to the housing 13 is screwed can also be used as a support hole for the pin 51.

なお、実施形態は以下のように変更してもよい。
○図８に示すように、内枠３１（又は外枠４１）が第１確認面３８及び第２確認面３９を有し、外枠７１は第２確認面７２のみを有するようにしてもよい。また、外枠は、第１確認面及び第２確認面のいずれも有していなくてもよい。 In addition, you may change embodiment as follows.
As shown in FIG. 8, the inner frame 31 (or the outer frame 41) may have the first confirmation surface 38 and the second confirmation surface 39, and the outer frame 71 may have only the second confirmation surface 72. . Further, the outer frame may not have either the first confirmation surface or the second confirmation surface.

○図９に示すように、内枠８１が第１確認面８２を有し、外枠９１が第２確認面９２を有するようにしてもよい。すなわち、第１確認面及び第２確認面は、内枠及び外枠のいずれかに少なくとも一つ設けられていればよい。   As shown in FIG. 9, the inner frame 81 may have a first confirmation surface 82, and the outer frame 91 may have a second confirmation surface 92. That is, at least one of the first confirmation surface and the second confirmation surface may be provided on either the inner frame or the outer frame.

○筐体１３に設けたネジ穴１７及び挿入穴１８にピン５１を挿入し、このピン５１によって内枠３１及び外枠４１の位置決め及び取り付けを行ったが、これに限られない。例えば、端面１６から突出したボルトを蓋体２０の貫通孔２１に挿通させて、このボルトにナットを螺合することで蓋体２０を筐体１３に固定する場合には、ボルトを第１取付孔３７及び第２取付孔４７に挿入して、内枠３１及び外枠４１の位置決め及び取り付けを行ってもよい。また、内枠３１と外枠４１とを連結する連結具によって内枠３１と外枠４１とを連結した状態で端面１６に内枠３１と外枠４１とを載置するとともに、内枠３１及び外枠４１と端面１６とを係止する係止具などによって内枠３１及び外枠４１を端面１６に取り付けてもよい。内枠３１及び外枠４１を取り付けた後には、連結具を内枠３１及び外枠４１から取り外し、シール材２３を取り付ける。   O Although the pin 51 was inserted in the screw hole 17 and the insertion hole 18 which were provided in the housing | casing 13, and the inner frame 31 and the outer frame 41 were positioned and attached by this pin 51, it is not restricted to this. For example, when the bolt protruding from the end face 16 is inserted into the through-hole 21 of the lid 20 and a nut is screwed into the bolt to fix the lid 20 to the housing 13, the bolt is first attached. The inner frame 31 and the outer frame 41 may be positioned and attached by being inserted into the hole 37 and the second attachment hole 47. In addition, the inner frame 31 and the outer frame 41 are placed on the end surface 16 in a state where the inner frame 31 and the outer frame 41 are connected by a connector that connects the inner frame 31 and the outer frame 41. The inner frame 31 and the outer frame 41 may be attached to the end surface 16 by a locking tool for locking the outer frame 41 and the end surface 16. After the inner frame 31 and the outer frame 41 are attached, the connector is removed from the inner frame 31 and the outer frame 41, and the sealing material 23 is attached.

○全てのネジ穴１７にピン５１が挿入されていてもよい。
○第２取付孔４７は、ピン５１が挿入されるネジ穴１７に対応して設けられていてもよい。すなわち、第２取付孔４７は、ピン５１が挿入されないネジ穴１７と対応する部分には設けられていなくてもよい。 A pin 51 may be inserted into all the screw holes 17.
The second mounting hole 47 may be provided corresponding to the screw hole 17 into which the pin 51 is inserted. That is, the second attachment hole 47 may not be provided in a portion corresponding to the screw hole 17 into which the pin 51 is not inserted.

○第２内枠部３６に、第１取付孔３７が設けられていてもよい。また、第２外枠部４６に、第２取付孔４７が設けられていてもよい。   A first mounting hole 37 may be provided in the second inner frame portion 36. In addition, the second outer frame portion 46 may be provided with a second mounting hole 47.

ＢＣ…電池セル、１２…開口部、１３…筐体、１６…端面、２０…蓋体、２３…シール材、３０…シール材取付治具、３１，８１…内枠、３８，４８…第１確認面、３９，４９…第２確認面、４１，７１，９１…外枠。   BC ... battery cell, 12 ... opening, 13 ... housing, 16 ... end face, 20 ... lid, 23 ... sealing material, 30 ... sealing material mounting jig, 31, 81 ... inner frame, 38, 48 ... first Confirmation surface, 39, 49 ... second confirmation surface, 41, 71, 91 ... outer frame.

Claims (2)

電池セルが収容されるとともに開口部を有する筐体と前記開口部を閉塞する蓋体との間を封止するシール材の取り付け位置を案内するシール材取付治具であって、
前記筐体において、前記開口部を区画する壁部の前記蓋体と対向する端面に取り付けられるとともに前記開口部を囲む環状の第１枠部材と、
前記第１枠部材に対して間隔を空けて前記端面に取り付けられるとともに前記第１枠部材を囲む環状の第２枠部材と、を備え、
前記端面と前記第１枠部材及び前記第２枠部材との対向方向を高さ方向とすると、前記第１枠部材及び前記第２枠部材の少なくとも一方は、前記筐体と前記蓋体との間の封止性を確保するのに要する前記シール材の前記端面からの高さの下限を規定する第１確認面を有し、
前記第１枠部材及び前記第２枠部材の少なくとも一方は、前記筐体と前記蓋体との間の封止性を確保するのに要する前記シール材の前記端面からの高さの上限を規定する第２確認面を有するシール材取付治具。 A sealing material mounting jig for guiding a mounting position of a sealing material for sealing a space between a housing having a battery cell accommodated therein and an opening and a lid closing the opening,
In the housing, an annular first frame member that is attached to an end surface of the wall portion that defines the opening and faces the lid, and surrounds the opening;
An annular second frame member that is attached to the end surface at an interval with respect to the first frame member and surrounds the first frame member;
When the opposing direction of the end surface and the first frame member and the second frame member is a height direction, at least one of the first frame member and the second frame member is formed between the housing and the lid. Having a first confirmation surface that defines a lower limit of the height from the end face of the sealing material required to ensure sealing performance between,
At least one of the first frame member and the second frame member defines an upper limit of the height from the end surface of the sealing material required to ensure sealing between the housing and the lid. A sealing material mounting jig having a second confirmation surface. 前記第１枠部材及び前記第２枠部材の両方が前記第１確認面及び前記第２確認面を有する請求項１に記載のシール材取付治具。   The sealing material mounting jig according to claim 1, wherein both the first frame member and the second frame member have the first confirmation surface and the second confirmation surface.
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