JP3106961B2 - Waterproof structure of electrical box - Google Patents
Waterproof structure of electrical boxInfo
- Publication number
- JP3106961B2 JP3106961B2 JP08145768A JP14576896A JP3106961B2 JP 3106961 B2 JP3106961 B2 JP 3106961B2 JP 08145768 A JP08145768 A JP 08145768A JP 14576896 A JP14576896 A JP 14576896A JP 3106961 B2 JP3106961 B2 JP 3106961B2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- electric wire
- connection
- corrugated tube
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Casings For Electric Apparatus (AREA)
- Connection Or Junction Boxes (AREA)
- Installation Of Indoor Wiring (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電装用ボックスの
防水構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof structure for an electrical box.
【０００２】[0002]
【従来の技術】図７に示すように、自動車のエンジンル
ームには、リレー７２等を収容した電装用ボックス７１
が設けられる。そして、リレー７２に接続される電線７
３は、電装用ボックス７１の外壁７１ａに設けられた貫
通孔７４を貫通している。電線７３には、その電線７３
と貫通孔７４の内周面との間から電装用ボックス７１内
へ水が入り込むのを防止するために、例えば実開平４−
８５５２５号公報に示すグロメット７５が取り付けられ
ている。2. Description of the Related Art As shown in FIG. 7, an electric equipment box 71 containing a relay 72 and the like is provided in an engine room of an automobile.
Is provided. Then, the electric wire 7 connected to the relay 72
3 penetrates through holes 74 provided in the outer wall 71 a of the electrical component box 71. The electric wire 73 has the electric wire 73
In order to prevent water from entering the electrical equipment box 71 from between the inner peripheral surface of the through hole 74 and
A grommet 75 shown in Japanese Patent No. 85525 is attached.
【０００３】このグロメット７５は合成ゴムにより形成
されている。グロメット７５には電線７３が貫通する挿
通孔７６が設けられ、挿通孔７６の最も径が小さい部分
は電線７３から取り外した状態において前記電線７３よ
りも小径となっている。従って、電線７３にグロメット
７５を取り付ける際には、手等でグロメット７５を挿通
孔７６が広がるように弾性変形させ、その状態で電線７
３を挿通孔７６に通す。そして、手をグロメット７５か
ら離すと、電線７３がグロメット７５の挿通孔７６に嵌
め込まれ、電線７３と挿通孔７６の内周面との間を水が
通過できない状態になる。更に、貫通孔７４の内周面と
グロメット７５との間は、水が通過できないようにな
る。The grommet 75 is made of synthetic rubber. The grommet 75 is provided with an insertion hole 76 through which the electric wire 73 penetrates, and a portion of the insertion hole 76 having the smallest diameter has a smaller diameter than the electric wire 73 when detached from the electric wire 73. Therefore, when attaching the grommet 75 to the electric wire 73, the grommet 75 is elastically deformed by hand or the like so that the insertion hole 76 is widened.
3 through the insertion hole 76. Then, when the hand is released from the grommet 75, the electric wire 73 is fitted into the insertion hole 76 of the grommet 75, and water cannot pass between the electric wire 73 and the inner peripheral surface of the insertion hole 76. Further, water cannot pass between the inner peripheral surface of the through hole 74 and the grommet 75.
【０００４】しかし、上記のような電装用ボックス７１
の防水構造では、電線７３をグロメット７５に通すため
に、手でグロメット７５を弾性変形させなければならな
いので、その作業に手間がかかるという問題があった。However, the electric equipment box 71 as described above is used.
In the waterproof structure of (1), since the grommet 75 must be elastically deformed by hand in order to pass the electric wire 73 through the grommet 75, there is a problem that the work is troublesome.
【０００５】そこで、図８に示す実開平４−９３４２３
号公報の電装用ボックス８１が提案されている。この電
装用ボックス８１は合成樹脂製のサイドカバー８２と、
そのサイドカバー８２の下部に嵌め込まれる合成樹脂製
のロアカバー８３とを備えている。サイドカバー８２及
びロアカバー８３の外面には、半円筒状に形成された筒
部８４，８５がそれぞれ一体的に設けられている。そし
て、ロアカバー８３をサイドカバー８２に嵌め込むと、
両筒部８４，筒部８５が互いに連結され、両者の間に電
線７３の径よりも小径の貫通孔８６が形成されるように
なっている。In view of this, FIG.
The electrical box 81 disclosed in Japanese Patent Application Laid-Open Publication No. H11-209,837 is proposed. The electrical component box 81 includes a synthetic resin side cover 82,
A lower cover 83 made of a synthetic resin is fitted into a lower portion of the side cover 82. On the outer surfaces of the side cover 82 and the lower cover 83, cylinder portions 84 and 85 formed in a semi-cylindrical shape are provided integrally. Then, when the lower cover 83 is fitted into the side cover 82,
The two cylindrical portions 84 and 85 are connected to each other, and a through hole 86 having a diameter smaller than the diameter of the electric wire 73 is formed therebetween.
【０００６】従って、サイドカバー８２とロアカバー８
３とが分離した状態において、筒部８４，８５間に電線
７３を配置し、前記サイドカバー８２にロアカバー８３
を嵌め込むと、筒部８４，８５が電線７３を挟んで互い
に連結される。その結果、電線７３の外周面を貫通孔８
６の内周面に圧接させ、電線７３を貫通孔８６に隙間な
く嵌め込んだ状態にし、電線７３の外周面と貫通孔８６
の内周面との間に水が入り込みにくくなるようにするこ
とができる。Accordingly, the side cover 82 and the lower cover 8
3, the electric wire 73 is arranged between the cylindrical portions 84 and 85, and the lower cover 83 is attached to the side cover 82.
Is fitted, the tubular portions 84 and 85 are connected to each other with the electric wire 73 interposed therebetween. As a result, the outer peripheral surface of the electric wire 73 is
6 so that the electric wire 73 is fitted into the through hole 86 without any gap, and the outer peripheral surface of the electric wire 73 and the through hole 86 are pressed.
It is possible to make it difficult for water to enter between the inner peripheral surface and the inner peripheral surface.
【０００７】[0007]
【発明が解決しようとする課題】ところが、上記構成で
は、筒部８４，８５が比較的硬い合成樹脂製であるた
め、その筒部８４，８５が電線７３の外周面に密着せ
ず、隙間が形成されるおそれがある。そのため、自動車
が水溜まり等を通過するときにタイヤによりエンジンル
ーム内に撥ね飛ばされた水や、洗車時の水が前記隙間を
通って電装用ボックス８１内に入り込むという問題があ
った。However, in the above configuration, since the cylindrical portions 84 and 85 are made of a relatively hard synthetic resin, the cylindrical portions 84 and 85 do not adhere to the outer peripheral surface of the electric wire 73, and a gap is formed. May be formed. For this reason, there is a problem that water splashed into the engine room by the tires when the car passes through a puddle or the like, or water during car washing enters the electrical component box 81 through the gap.
【０００８】本発明は上記問題点を解決するためになさ
れたものであって、第１の目的は、電装用ボックス内へ
水が入り込むのを確実に防止することにある。第２の目
的は、電装用ボックスの防水性を向上させることにあ
る。The present invention has been made to solve the above problems, and a first object of the present invention is to reliably prevent water from entering a box for electrical equipment. A second object is to improve the waterproofness of the electrical component box.
【０００９】第３の目的は、電線に対する被覆チューブ
の装着作業を容易に行うことにある。第４の目的は、被
覆チューブを貫通孔へ容易に嵌め込むことができるよう
にすることにある。[0009] A third object is to facilitate the work of attaching the covering tube to the electric wire. A fourth object is to enable the covering tube to be easily fitted into the through hole.
【００１０】第５の目的は、二つの貫通孔に対してそれ
ぞれ被覆チューブを、容易に嵌め込むことができるよう
にすることにある。A fifth object is to make it possible to easily fit the covering tubes into the two through holes, respectively.
【００１１】[0011]
【課題を解決するための手段】上記目的を達成させるた
め、請求項１記載の発明では、特に、電線の外周に被覆
チューブを外嵌し、その被覆チューブの外周面と電装用
ボックスの外壁から突出する筒部に設けられた貫通孔の
内周面との間には、凹凸の嵌合関係を有する防水手段を
設け、前記筒部は互いに連結及び連結解除可能な複数の
連結部材によって構成され、前記貫通孔は連結部材を互
いに連結したときに前記連結部材間に形成されるものと
し、前記各連結部材は中間連結部材と一対の外側連結部
材とによって構成され、前記中間連結部材は一対の外側
連結部材に挟まれて連結されるものであり、貫通孔は中
間連結部材と両外側連結部材との間にそれぞれ形成され
るものとした。In order to achieve the above object, according to the first aspect of the present invention, in particular, a covering tube is fitted around the outer periphery of an electric wire, and the outer peripheral surface of the covering tube is connected to an electric device.
Between the inner peripheral surface of the through-hole provided in the cylindrical portion protruding from the outer wall of the box, there is provided waterproofing means having a concave-convex fitting relationship, and the cylindrical portion is capable of connecting and disconnecting a plurality of mutually connectable.
The through holes are formed by connecting members.
And between the connecting members when connected.
Each of the connecting members is an intermediate connecting member and a pair of outer connecting portions.
And the intermediate connecting member is a pair of outer members.
It is connected by being sandwiched by connecting members, and the through hole is
Formed between the inter-connecting member and both outer connecting members, respectively.
It was assumed .
【００１２】[0012]
【００１３】[0013]
【００１４】[0014]
【００１５】即ち、請求項１記載の発明では、電線に外
嵌された被覆チューブを電装用ボックスの外壁から突出
する筒部に設けられた貫通孔内に配置すると、防水手段
の凹凸が嵌合状態になる。また、前記筒部を構成する各
連結部材の連結を解除し、前記連結部材間に電線が通さ
れた被覆チューブを配置した状態で連結部材同士を連結
する。すると、被覆チューブが連結部材間に形成された
前記貫通孔に嵌め込まれた状態になる。更に、筒部を構
成する中間連結部材と両外側連結部材との連結を解除
し、中間連結部材と両外側連結部材との間にそれぞれ電
線が通された被覆チューブを配置する。そして、中間連
結部材と両外側連結部材とをそれぞれ連結すると、二つ
の被覆チューブが中間連結部材と両外側連結部材との間
に形成された二つの貫通孔に嵌め込まれた状態になる。 That is, according to the first aspect of the present invention, the covering tube externally fitted to the electric wire projects from the outer wall of the electrical equipment box.
When it is arranged in the through hole provided in the cylindrical portion, the unevenness of the waterproofing means is in a fitted state. Further, each of the cylindrical portions
Release the connection of the connecting member, and pass an electric wire between the connecting members.
Connecting members with the covered tube placed
I do. Then, the coating tube was formed between the connecting members.
It is in a state of being fitted into the through hole. In addition, the cylinder
Release the connection between the intermediate connecting member and the outer connecting members
Between the intermediate connecting member and both outer connecting members.
Place the coated tube through the wire. And the middle ream
When the connecting member and both outer connecting members are connected respectively,
Between the intermediate connecting member and both outer connecting members
In the two through-holes formed in the first and second through holes.
【００１６】[0016]
【００１７】[0017]
【００１８】[0018]
【００１９】[0019]
【発明の実施の形態】以下、本発明を具体化した一実施
形態を図１〜図５に従って説明する。図１に示す電装用
ボックス１１は、例えば自動車のエンジンルーム内に設
けられる。この電装用ボックス１１はサイドカバー１
２、ロアカバー１３及びアッパカバー１４により構成さ
れ、ロアカバー１３及びアッパカバー１４はサイドカバ
ー１２の下側開口部及び上側開口部に対し着脱可能とな
っている。又、電装用ボックス１１内には電装品として
のリレー１５が設けられている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. 1 is provided, for example, in an engine room of an automobile. This electrical box 11 is a side cover 1
2, the lower cover 13 and the upper cover 14 are detachable from the lower opening and the upper opening of the side cover 12. A relay 15 as an electrical component is provided in the electrical component box 11.
【００２０】図３に示すように、ロアカバー１３の外壁
１３ａの上端部には、外側方へ向かって突出する半円筒
状の連結受部材１６が連結部材として設けられている。
連結受部材１６の内周面には周方向へ延びる複数の凸部
１７が、連結受部材１６の軸線方向に所定間隔おいて並
設されている。そして、各凸部１７間にはそれぞれ凹部
１８が形成されている。又、連結受部材１６の外周面に
は、一対の突起１９（図３には一方の突起１９のみ図
示）が設けられている。As shown in FIG. 3, a semi-cylindrical connection receiving member 16 protruding outward is provided as a connection member at the upper end of the outer wall 13a of the lower cover 13.
A plurality of protrusions 17 extending in the circumferential direction are arranged on the inner peripheral surface of the connection receiving member 16 at predetermined intervals in the axial direction of the connection receiving member 16. A concave portion 18 is formed between each convex portion 17. A pair of protrusions 19 (only one protrusion 19 is shown in FIG. 3) is provided on the outer peripheral surface of the connection receiving member 16.
【００２１】前記サイドカバー１２の外壁１２ａの下端
部には、外側方へ向かって突出する半円筒状の連結被覆
部材２１が連結部材として設けられている。連結被覆部
材２１は、ロアカバー１３の連結受部材１６に対応して
位置している。図１に示すように、連結被覆部材２１の
内周面において、連結受部材１６の各凸部１７に対応す
る位置にはそれぞれ凸部２２が設けられている。この凸
部２２は連結被覆部材２１の内周面に沿って延び、各凸
部２２間にはそれぞれ凹部２３が設けられている。At the lower end of the outer wall 12a of the side cover 12, a semi-cylindrical connection covering member 21 protruding outward is provided as a connection member. The connection covering member 21 is located corresponding to the connection receiving member 16 of the lower cover 13. As shown in FIG. 1, on the inner peripheral surface of the connection covering member 21, protrusions 22 are provided at positions corresponding to the respective protrusions 17 of the connection receiving member 16. The convex portions 22 extend along the inner peripheral surface of the connection covering member 21, and concave portions 23 are provided between the respective convex portions 22.
【００２２】図３に示すように、連結被覆部材２１の外
周面には、一対の係止部２４（図３には一方の係止部２
４のみ図示）が設けられている。そして、ロアカバー１
３をサイドカバー１２に取り付けると、連結被覆部材２
１の係止部２４が連結受部材１６の突起１９に引っ掛か
り、連結被覆部材２１と連結受部材１６とが連結され
る。連結被覆部材２１と連結受部材１６とが連結される
と、両者の間に電装用ボックス１１の内部と外部とを連
通する貫通孔２５が形成されるようになっている。尚、
本実施形態では、前記連結受部材１６及び連結被覆部材
２１により筒部が構成されている。As shown in FIG. 3, a pair of locking portions 24 (one locking portion 2 in FIG.
4 are shown). And the lower cover 1
3 is attached to the side cover 12, the connection covering member 2
The one locking portion 24 is hooked on the projection 19 of the connection receiving member 16, and the connection covering member 21 and the connection receiving member 16 are connected. When the connection covering member 21 and the connection receiving member 16 are connected, a through-hole 25 communicating between the inside and the outside of the electrical component box 11 is formed between the two. still,
In the present embodiment, the connection receiving member 16 and the connection covering member 21 form a cylindrical portion.
【００２３】図１に示すように、前記リレー１５には、
ワイヤハーネス２６のコネクタ２７が接続されるように
なっている。ワイヤハーネス２６は前記コネクタ２７
と、コネクタ２７から延びる電線２８とから構成されて
いる。電線２８は弾性を有する材料によって形成された
被覆チューブとしてのコルゲードチューブ２９を貫通し
ている。前記電線２８は、コルゲートチューブ２９によ
り、長手方向全体に亘って被覆された状態になってい
る。図３に示すように、コルゲートチューブ２９には、
その両端開口部間を繋ぐように軸線方向へ延びる切欠部
３０が設けられている。更に、コルゲートチューブ２９
の外周面には図示しないテープが巻き付けられ、そのテ
ープにより切欠部３０が塞がれている。As shown in FIG. 1, the relay 15 has
The connector 27 of the wire harness 26 is connected. The wire harness 26 is connected to the connector 27.
And an electric wire 28 extending from the connector 27. The electric wire 28 passes through a corrugated tube 29 as a coating tube formed of an elastic material. The electric wire 28 is covered with a corrugated tube 29 over the entire longitudinal direction. As shown in FIG. 3, the corrugated tube 29 includes
A notch 30 extending in the axial direction is provided so as to connect between the openings at both ends. Further, the corrugated tube 29
A not-shown tape is wound around the outer peripheral surface of the, and the notch 30 is closed by the tape.
【００２４】コルゲートチューブ２９の外周面には、周
方向へ延びる複数の凸部３１がコルゲートチューブ２９
の軸線方向に並設されている。各凸部３１同士の間隔
は、連結受部材１６の各凸部１７同士の間隔、及び、連
結被覆部材２１の各凸部２２同士の間隔と等しくなって
いる。又、コルゲートチューブ２９の各凸部３１の間に
は、それぞれ凹部３２が設けられている。図１に示すよ
うに、コルゲートチューブ２９は、電装用ボックス１１
の貫通孔２５を貫通している。コルゲートチューブ２９
に設けられた複数の凸部３１及び凹部３２は、連結受部
材１６及び連結被覆部材２１の各凸部１７，２２及び凹
部１８，２３と噛み合っている。A plurality of protrusions 31 extending in the circumferential direction are provided on the outer peripheral surface of the corrugated tube 29.
Are arranged side by side in the axial direction. The interval between the convex portions 31 is equal to the interval between the convex portions 17 of the connection receiving member 16 and the interval between the convex portions 22 of the connection covering member 21. In addition, a concave portion 32 is provided between each convex portion 31 of the corrugated tube 29. As shown in FIG. 1, the corrugated tube 29 is connected to the electrical box 11.
Through the through hole 25. Corrugated tube 29
Are engaged with the respective convex portions 17 and 22 and concave portions 18 and 23 of the connection receiving member 16 and the connection covering member 21.
【００２５】尚、本実施形態では、各凸部１７，２２，
３１及び各凹部１８，２３，３２により防水手段が構成
されている。次に、上記電装用ボックス１１における防
水構造の作用について説明する。In this embodiment, each of the projections 17, 22,
A waterproof means is constituted by 31 and each of the recesses 18, 23, 32. Next, the operation of the waterproof structure in the electrical box 11 will be described.
【００２６】コルゲートチューブ２９でワイヤハーネス
２６の電線２８を覆うには、その電線２８をテープが巻
き付けられていないコルゲートチューブ２９の切欠部３
０に沿って延びるように配置する。この状態で、コルゲ
ートチューブ２９の長手方向端部に位置する切欠部３０
を手で広げ、その広がった切欠部３０からコルゲートチ
ューブ２９内へ電線２８を挿入する。更に、切欠部３０
をコルゲートチューブ２９の長手方向へ順次広げ、その
広げた部分からコルゲートチューブ２９内へ順次電線２
８を挿入する。すると、図３に示すように、電線２８が
コルゲートチューブ２９を貫通し、そのコルゲートチュ
ーブ２９により前記電線２８が被覆された状態になる。In order to cover the electric wire 28 of the wire harness 26 with the corrugated tube 29, the electric wire 28 is cut into the notch 3 of the corrugated tube 29 where the tape is not wound.
It is arranged to extend along 0. In this state, the notch 30 located at the longitudinal end of the corrugated tube 29
Is spread by hand, and the electric wire 28 is inserted into the corrugated tube 29 from the widened notch 30. Further, the notch 30
Are sequentially spread in the longitudinal direction of the corrugated tube 29, and the electric wire 2 is sequentially spread from the expanded portion into the corrugated tube 29.
Insert 8. Then, as shown in FIG. 3, the electric wire 28 penetrates the corrugated tube 29, and the electric wire 28 is covered with the corrugated tube 29.
【００２７】電線２８がコルゲートチューブ２９内を貫
通した状態では、コルゲートチューブ２９に図示しない
テープが巻き付けられ、コルゲートチューブ２９の切欠
部３０が塞がれる。コルゲートチューブ２９の長手方向
端部は、分離した状態のサイドカバー１２及びロアカバ
ー１３における連結被覆部材２１と連結受部材１６との
間に配置される。更に、コルゲートチューブ２９は、前
記連結被覆部材２１及び連結受部材１６と同方向へ延び
た状態にされる。When the electric wire 28 passes through the inside of the corrugated tube 29, a tape (not shown) is wound around the corrugated tube 29, and the notch 30 of the corrugated tube 29 is closed. The longitudinal end of the corrugated tube 29 is disposed between the connection covering member 21 and the connection receiving member 16 in the side cover 12 and the lower cover 13 in a separated state. Further, the corrugated tube 29 extends in the same direction as the connection covering member 21 and the connection receiving member 16.
【００２８】この状態で、ロアカバー１３をサイドカバ
ー１２に取り付けると、連結被覆部材２１と連結受部材
１６とが連結される。すると、図１に示すように、前記
コルゲートチューブ２９の長手方向端部が、連結被覆部
材２１と連結受部材１６との間に形成された貫通孔２５
に嵌め込まれた状態になる。そして、貫通孔２５に嵌め
込まれたコルゲートチューブ２９は、その各凸部３１及
び凹部３２が連結受部材１６及び連結被覆部材２１の各
凸部１７，２２及び凹部１８，２３と噛み合う。When the lower cover 13 is attached to the side cover 12 in this state, the connection covering member 21 and the connection receiving member 16 are connected. Then, as shown in FIG. 1, the longitudinal end of the corrugated tube 29 has a through hole 25 formed between the connection covering member 21 and the connection receiving member 16.
It will be in the state of being fitted into. Then, the corrugated tube 29 fitted in the through-hole 25 has its respective convex portions 31 and concave portions 32 meshed with the respective convex portions 17, 22 and concave portions 18, 23 of the connection receiving member 16 and the connection covering member 21.
【００２９】連結受部材１６及び連結被覆部材２１の先
端に水がかかった場合、その水がコルゲートチューブ２
９の外周面と貫通孔２５の内周面との間に入り込む。こ
の水は、例えば図２に示すように連結部受部材１６にお
いて最も先端側の凹部１８内に溜まり、電装用ボックス
１１内への水の進入が防止される。又、前記凹部１８内
に溜まった水が、その凹部１８よりも一つ基端側の凹部
１８内へ移動するには、連結受部材１６において先端か
ら二番目に位置する凸部１７を乗り越えなければならな
い。従って、最も先端側の凹部１８内に溜まった水が前
記凹部１８よりも一つ基端側の凹部１８へ移動しにくく
なるため、前記水が複数の凸部１７をそれぞれ乗り越え
て電装用ボックス１１内へ進入することが一層困難にな
る。When water is applied to the ends of the connection receiving member 16 and the connection covering member 21, the water is applied to the corrugated tube 2.
9 and the inner peripheral surface of the through hole 25. This water accumulates in the concave portion 18 on the most distal end side of the connecting portion receiving member 16 as shown in FIG. 2, for example, to prevent water from entering the electrical equipment box 11. In order for the water accumulated in the concave portion 18 to move into the concave portion 18 one base end side of the concave portion 18, the water must climb over the convex portion 17 located second from the distal end in the connection receiving member 16. Must. Therefore, the water collected in the concave portion 18 on the most distal side is less likely to move to the concave portion 18 on the base end side than the concave portion 18, so that the water climbs over each of the plurality of convex portions 17 and the electrical component box 11. It becomes more difficult to get inside.
【００３０】以上詳述した本実施形態では、下記（ａ）
〜（ｄ）に示す効果がある。 （ａ）電装用ボックス１１の貫通孔２５内にコルゲート
チューブ２９が配置されると、コルゲートチューブ２９
及び貫通孔２５の凸部１７，２２，３１と凹部１８，２
３，３２とが嵌め込まれる。その結果、ゴルゲートチュ
ーブ１９と貫通孔２５との間に水が入り込んでも、その
水が嵌め合わされた凸部１７，２２，３１と凹部１８，
２３，３２との間を通過しなくなる。従って、凸部１
７，２２，３１と凹部１８，２３，３２とを嵌め合わせ
るだけで、容易且つ確実に電装用ボックス１１内へ水が
入り込むのを防止することができる。In this embodiment described in detail above, the following (a)
(D). (A) When the corrugated tube 29 is disposed in the through hole 25 of the electrical component box 11, the corrugated tube 29
And the convex portions 17, 22, 31 and concave portions 18, 2 of the through hole 25.
3, 32 are fitted. As a result, even if water enters between the Gorgate tube 19 and the through-hole 25, the convex portions 17, 22, 31 and the concave portions 18, into which the water is fitted, are inserted.
23, 32 will not pass. Therefore, the convex portion 1
It is possible to easily and surely prevent water from entering the electrical component box 11 simply by fitting the recesses 7, 22, 31 and the recesses 18, 23, 32.
【００３１】（ｂ）前記凸部１７，２２，３１と凹部１
８，２３，３２は、貫通孔２５及びコルゲートチューブ
２９の軸線方向に複数並設されているため、各凸部１
７，２２，３１と各凹部１８，２３，３２とは噛み合っ
た状態になる。すると、例えば最先端の凹部１８に溜ま
った水が電装用ボックス１１内へ入り込むには、複数の
凸部１７を乗り越えて行かなければならない。従って、
各凸部１７，２２，３１と各凹部１８，２３，３２との
間を水が一層通過しにくくなるため、電装用ボックス１
１の防水性を向上させることができる。(B) The convex portions 17, 22, 31 and the concave portion 1
The plurality of projections 1, 23, and 32 are arranged side by side in the axial direction of the through hole 25 and the corrugated tube 29.
7, 22, 31 and the respective concave portions 18, 23, 32 are in a meshed state. Then, for example, in order for the water accumulated in the concave portion 18 at the forefront to enter the electrical equipment box 11, it must go over a plurality of convex portions 17. Therefore,
Since it is more difficult for water to pass between each of the convex portions 17, 22, 31 and each of the concave portions 18, 23, 32, the electrical component box 1
1 can improve the waterproofness.
【００３２】（ｃ）ワイヤハーネス２６の電線２８は、
コルゲートチューブ２９の軸線方向へ延びる切欠部３０
からコルゲートチューブ２９内へ挿入されることによ
り、そのコルゲートチューブ２９を貫通した状態にな
る。従って、電線２８を容易にコルゲートチューブ２９
で覆った状態にすることができ、電線２３に対するコル
ゲートチューブ２９の装着作業を容易に行うことができ
る。(C) The electric wire 28 of the wire harness 26
Notch 30 extending in the axial direction of corrugated tube 29
Is inserted into the corrugated tube 29 from above, so that the corrugated tube 29 is penetrated. Therefore, the electric wire 28 can be easily connected to the corrugated tube 29.
Thus, the work of mounting the corrugated tube 29 on the electric wire 23 can be easily performed.
【００３３】（ｄ）貫通孔２５は、連結被受部材１６と
連結被覆部材２１とを連結したとき、その両連結被受部
材１６と連結被覆部材２１との間に形成される。そのた
め、連結解除された連結被受部材１６と連結被覆部材２
１との間にコルゲートチューブ２９を配置し、連結被受
部材１６と連結被覆部材２１とを連結することにより、
コルゲートチューブ２９が貫通孔２５に嵌め込まれる。
従って、コルゲートチューブ２９を貫通孔２５へ無理に
挿入しなくても、コルゲートチューブ２９を貫通孔２５
へ容易に嵌め込むことができる。(D) The through hole 25 is formed between the connection receiving member 16 and the connection covering member 21 when the connection receiving member 16 and the connection covering member 21 are connected. Therefore, the connection receiving member 16 and the connection covering member 2 that have been disconnected are connected.
1 and the connection receiving member 16 and the connection covering member 21 are connected to each other,
The corrugated tube 29 is fitted into the through hole 25.
Therefore, even if the corrugated tube 29 is not forcibly inserted into the through hole 25, the corrugated tube 29 can be inserted into the through hole 25.
It can be easily fitted into.
【００３４】尚、本発明は、例えば以下のように変更し
て具体化することもできる。 （１）本実施形態において、コルゲートチューブ２９の
切欠部３０を省略し、コルゲートチューブ２９に対し、
その軸線方向へ電線２８を通すことにより、電線２８を
コルゲートチューブ２９で覆われた状態にしてもよい。
この場合、コルゲートチューブ２９にテープを巻き付け
る手間を省くことができる。The present invention can be embodied with the following modifications, for example. (1) In the present embodiment, the notch 30 of the corrugated tube 29 is omitted, and
The electric wire 28 may be covered with the corrugated tube 29 by passing the electric wire 28 in the axial direction.
In this case, the trouble of winding the tape around the corrugated tube 29 can be omitted.
【００３５】（２）本実施形態では、複数の凸部１７及
び凹部１８が設けられたコルゲートチューブ２９を被覆
チューブとして例示したが、本発明はこれに限定されな
い。例えば合成樹脂製チューブを被覆チューブとして設
け、その樹脂製チューブと貫通孔２５との内、一方に凸
部を一つだけ設けるとともに他方に凹部を一つだけ設け
るようにしてもよい。(2) In this embodiment, the corrugated tube 29 provided with the plurality of convex portions 17 and concave portions 18 has been exemplified as the covering tube, but the present invention is not limited to this. For example, a synthetic resin tube may be provided as the covering tube, and one of the resin tube and the through hole 25 may be provided with only one convex portion and the other may be provided with only one concave portion.
【００３６】（３）図４に示すように、連結受部材１６
の周方向一端部に連結中部材４１を回動可能に連結し、
その連結中部材４１が実線で示す位置と二点鎖線で示す
位置との間を移動できるようにする。そして、連結中部
材４１を二点鎖線で示す位置に移動させ、サイドカバー
１２にロアカバー１３を取り付けたとき、連結中部材４
１が連結受部材１６及び連結被覆部材２１に対し挟まれ
た状態で連結されるようにする。又、連結時において連
結中部材４１と連結受部材１６と間、及び、連結中部材
４１と連結被覆部材２１との間にそれぞれ貫通孔２５が
形成されるようにする。このように構成すれば、二つの
コルゲートチューブ２９を前記二つの貫通孔２５へ無理
に挿入することなく、その二つの貫通孔２５に対してそ
れぞれコルゲートチューブ２９を容易に嵌め込むことが
できる。尚、この場合には、連結中部材４１が中間連結
部材になり、連結受部材１６及び連結被覆部材２１が外
側連結部材になる。更に、連結中部材４１、連結受部材
１６及び連結被覆部材２１が筒部になる。(3) As shown in FIG.
The connecting member 41 is rotatably connected to one end in the circumferential direction of
The connecting member 41 can be moved between a position indicated by a solid line and a position indicated by a two-dot chain line. When the lower member 13 is attached to the side cover 12 by moving the connecting member 41 to the position shown by the two-dot chain line, the connecting member 4
1 is connected to the connection receiving member 16 and the connection covering member 21 while being sandwiched therebetween. Further, at the time of connection, the through holes 25 are formed between the connecting member 41 and the connection receiving member 16 and between the connecting member 41 and the connection covering member 21, respectively. With this configuration, the corrugated tubes 29 can be easily fitted into the two through holes 25 without forcibly inserting the two corrugated tubes 29 into the two through holes 25. In this case, the connecting member 41 becomes an intermediate connecting member, and the connecting receiving member 16 and the connecting covering member 21 become outer connecting members. Furthermore, the connecting member 41, the connection receiving member 16, and the connection covering member 21 form a cylindrical portion.
【００３７】（４）図５に示すように、連結受部材１６
に連結された連結中部材４１の一隅に、更に別の連結中
部材４１を回動可能に連結してもよい。この場合、三つ
のコルゲートチューブ２９を、三つの貫通孔２５に対し
て無理に挿入することなく嵌め込むことができる。尚、
連結部材４１を上記と同様に三つ以上にして、貫通孔２
５を四つ以上設けるようにしてもよい。(4) As shown in FIG.
A further connecting member 41 may be rotatably connected to one corner of the connecting member 41 connected to. In this case, the three corrugated tubes 29 can be fitted into the three through holes 25 without being forcedly inserted. still,
In the same manner as described above, three or more connecting members 41
5 or more may be provided.
【００３８】（５）図６に示すように、連結受部材１６
及び連結被覆部材２１を先端へ向かうほど下るように傾
斜させてもよい。この場合、仮に電装用ボックス１１内
に水が浸入したとしても、その水を容易に外部へ排出す
ることができる。(5) As shown in FIG.
Alternatively, the connection covering member 21 may be inclined so as to descend toward the tip. In this case, even if water enters the electrical component box 11, the water can be easily discharged to the outside.
【００３９】次に、以上の実施形態から把握することが
できる請求項以外の技術的思想を、その効果とともに以
下に記載する。請求項５記載の電装用ボックスの防水構
造において、中間連結部材は互いに連結できるように複
数設けられ、貫通孔は隣合う中間連結部材間にもそれぞ
れ形成されるものである電装用ボックスの防水構造。こ
の場合、三つ以上の貫通孔に対して、それぞれ被覆チュ
ーブを容易に嵌め込むことができる。Next, technical ideas other than the claims which can be grasped from the above embodiments will be described below together with their effects. 6. The waterproof structure for an electrical box according to claim 5, wherein a plurality of intermediate connecting members are provided so as to be connectable to each other, and the through holes are also formed between adjacent intermediate connecting members. . In this case, the covering tube can be easily fitted into each of the three or more through holes.
【００４０】[0040]
【発明の効果】請求項１記載の発明では、電線に外嵌さ
れた被覆チューブを電装用ボックスの貫通孔内に配置す
ると、被覆チューブと貫通孔との間における防水手段の
凹凸が嵌合状態になる。従って、電装用ボックス内へ水
が入り込むのを確実に防止することができる。また、被
覆チューブを貫通孔へ無理に挿入しなくても、被覆チュ
ーブを貫通孔へ容易に嵌め込むことができる。更に、二
つの被覆チューブを無理に二つの貫通孔へ挿入しなくて
も、その二つの貫通孔に対してそれぞれ被覆チューブを
容易に嵌め込むことができる。 According to the first aspect of the present invention, when the covering tube externally fitted to the electric wire is disposed in the through hole of the electrical equipment box, the unevenness of the waterproof means between the covering tube and the through hole is in a fitted state. become. Therefore, it is possible to reliably prevent water from entering the electrical box. In addition,
Even if the cover tube is not forcibly inserted into the through hole,
Can be easily fitted into the through hole. Furthermore, two
Do not forcibly insert one coated tube into two through holes
Also, cover tubes for each of the two through holes
It can be easily fitted.
【００４１】[0041]
【００４２】[0042]
【００４３】[0043]
【００４４】[0044]
【図１】本実施形態の電装用ボックスを示す断面図。FIG. 1 is a sectional view showing an electrical component box according to an embodiment.
【図２】凸部及び凹部を示す拡大図。FIG. 2 is an enlarged view showing a convex portion and a concave portion.
【図３】連結受部材、連結被覆部材及びコルゲートチュ
ーブを示す斜視図。FIG. 3 is a perspective view showing a connection receiving member, a connection covering member, and a corrugated tube.
【図４】別例の連結中部材を示す正面図。FIG. 4 is a front view showing another example of a connecting member.
【図５】別例の連結中部材を示す正面図。FIG. 5 is a front view showing another example of the connecting member.
【図６】別例の連結受部材及び連結被覆部材を示す断面
図。FIG. 6 is a sectional view showing another example of a connection receiving member and a connection covering member.
【図７】従来の電装用ボックスを示す断面図。FIG. 7 is a cross-sectional view showing a conventional electrical box.
【図８】従来の電装用ボックスを示す破断斜視図。FIG. 8 is a cutaway perspective view showing a conventional electrical box.
１１…電装用ボックス、１２ａ，１３ａ…外壁、１５…
電装品としてのリレー、１６…筒部、連結部材及び外側
連結部材としての連結受部材、１７…防水手段としての
凸部、１８…防水手段としての凹部、２１…筒部、連結
部材及び外側連結部材としての連結被覆部材、２２…防
水手段としての凸部、２３…防水手段としての凹部、２
５…貫通孔、２８…電線、２９…被覆チューブとしての
コルゲートチューブ、３０…切欠部、３１…防水手段と
しての凸部、３２…防水手段としての凹部、４１…筒
部、連結部材及び中間連結部材としての連結中部材。11 ... Electrical box, 12a, 13a ... Outer wall, 15 ...
Relay as electrical component, 16: cylindrical part, connection receiving member as connecting member and outer connecting member, 17: convex part as waterproofing means, 18: concave part as waterproofing means, 21 ... cylindrical part, connecting member and outer connecting A connecting cover member as a member, 22 a convex portion as a waterproofing device, 23 a concave portion as a waterproofing device, 2
Reference numeral 5: through hole, 28: electric wire, 29: corrugated tube as covering tube, 30: cutout portion, 31: convex portion as waterproofing means, 32: concave portion as waterproofing means, 41: tubular portion, connecting member and intermediate connection The connecting member as a member.
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H02G 3/08 B60R 16/02 H02G 3/06 H02G 3/22 H05K 5/02 Continuation of the front page (58) Field surveyed (Int. Cl. 7 , DB name) H02G 3/08 B60R 16/02 H02G 3/06 H02G 3/22 H05K 5/02
Claims (1)
ス（１１）の外壁（１２ａ，１３ａ）から突出する筒部
（１６，２１，４１）に貫通孔（２５）を設け、その貫
通孔（２５）に電線（２８）を通すようにした電装用ボ
ックスにおいて、 前記電線（２８）の外周に被覆チューブ（２９）を外嵌
し、その被覆チューブ（２９）の外周面と貫通孔（２
５）の内周面との間には、凹凸の嵌合関係を有する防水
手段（１７，２２，３１）（１８，２３，３２）を設
け、前記筒部（１６，２１，４１）は互いに連結及び連
結解除可能な複数の連結部材（１６，２１，４１）によ
って構成され、前記貫通孔（２５）は連結部材（１６，
２１，４１）を互いに連結したときに前記連結部材（１
６，２１，４１）間に形成され、前記各連結部材（１
６，２１，４１）は中間連結部材（４１）と一対の外側
連結部材（１６，２１）とによって構成され、前記中間
連結部材（４１）は一対の外側連結部材（１６，２１）
に挟まれて連結されるものであり、貫通孔（２５）は中
間連結部材（４１）と両外側連結部材（１６，２１）と
の間にそれぞれ形成されることを特徴とする電装用ボッ
クスの防水構造。1. A tubular part projecting from an outer wall (12a, 13a) of an electrical component box (11) for accommodating an electrical component (15).
A through-hole (25) is provided in (16, 21, 41) , and an electric equipment box in which an electric wire (28) is passed through the through-hole (25), wherein a covering tube (29) is provided around the outer periphery of the electric wire (28). And the outer peripheral surface of the covering tube (29) and the through-hole (2)
Waterproof means (17, 22, 31) (18, 23, 32) having an uneven fitting relationship are provided between the inner peripheral surface of (5) and the cylindrical portions (16, 21, 41). Consolidation and consolidation
With a plurality of connection members (16, 21, 41) that can be disconnected
And the through hole (25) is provided with a connecting member (16,
21 and 41) are connected to each other when the connecting members (1) are connected to each other.
6, 21, 41), and each of the connecting members (1
6, 21, 41) are an intermediate connecting member (41) and a pair of outside members.
And the connecting member (16, 21).
The connecting member (41) is a pair of outer connecting members (16, 21).
The through hole (25) is connected
The inter-connection member (41) and both outer connection members (16, 21)
A waterproof structure for an electrical component box, wherein the waterproof structure is formed between the two .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08145768A JP3106961B2 (en) | 1996-06-07 | 1996-06-07 | Waterproof structure of electrical box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08145768A JP3106961B2 (en) | 1996-06-07 | 1996-06-07 | Waterproof structure of electrical box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09327111A JPH09327111A (en) | 1997-12-16 |
| JP3106961B2 true JP3106961B2 (en) | 2000-11-06 |
Family
ID=15392722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08145768A Expired - Fee Related JP3106961B2 (en) | 1996-06-07 | 1996-06-07 | Waterproof structure of electrical box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3106961B2 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4787427B2 (en) * | 2001-07-17 | 2011-10-05 | 株式会社 沖情報システムズ | Seal structure for waterproof electronic devices |
| ES2394649T3 (en) | 2006-03-20 | 2013-02-04 | Beele Engineering B.V. | System to dynamically seal a conduit sleeve through which a tube or cable extends |
| JP4990584B2 (en) * | 2006-08-31 | 2012-08-01 | 矢崎総業株式会社 | Electrical junction box |
| JP5156258B2 (en) * | 2007-04-19 | 2013-03-06 | 矢崎総業株式会社 | Electrical junction box wire harness lead-out structure |
| JP5269519B2 (en) | 2008-08-19 | 2013-08-21 | 矢崎総業株式会社 | Wire harness manufacturing method |
| ES2392791T3 (en) * | 2010-05-25 | 2012-12-13 | Beele Engineering B.V. | An assembly and a method for providing a sealing system in an opening |
| ES2626753T3 (en) | 2012-08-30 | 2017-07-25 | Beele Engineering B.V. | Sealing system for an annular space |
| NL2010304C2 (en) | 2013-02-14 | 2014-08-18 | Beele Eng Bv | System for sealingly holding cables which extend through an opening. |
| JP6448237B2 (en) * | 2014-07-10 | 2019-01-09 | 矢崎総業株式会社 | Case waterproof structure |
| JP6443226B2 (en) * | 2015-06-05 | 2018-12-26 | 住友電装株式会社 | Electrical junction box |
| JP6694293B2 (en) * | 2016-02-18 | 2020-05-13 | 本田技研工業株式会社 | Electrical component waterproof structure |
| KR102474410B1 (en) * | 2022-01-13 | 2022-12-06 | (주)호명기술단 | Location safety protective tube of underground cable for distribution |
-
1996
- 1996-06-07 JP JP08145768A patent/JP3106961B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09327111A (en) | 1997-12-16 |
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