JPH07245149A - Waterproofing rubber plug - Google Patents

Waterproofing rubber plug

Info

Publication number
JPH07245149A
JPH07245149A JP3449094A JP3449094A JPH07245149A JP H07245149 A JPH07245149 A JP H07245149A JP 3449094 A JP3449094 A JP 3449094A JP 3449094 A JP3449094 A JP 3449094A JP H07245149 A JPH07245149 A JP H07245149A
Authority
JP
Japan
Prior art keywords
waterproof rubber
rubber plug
electric wire
terminal
accommodating chamber
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.)
Granted
Application number
JP3449094A
Other languages
Japanese (ja)
Other versions
JP2981105B2 (en
Inventor
Akira Maeda
章 前田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yazaki Corp
Original Assignee
Yazaki Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yazaki Corp filed Critical Yazaki Corp
Priority to JP6034490A priority Critical patent/JP2981105B2/en
Publication of JPH07245149A publication Critical patent/JPH07245149A/en
Application granted granted Critical
Publication of JP2981105B2 publication Critical patent/JP2981105B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To enhance the waterproofing of a rubber plug by furnishing an elongating/contracting deformation part between a fastening connection part and the tail, and thereby absorbing dispersion of the position of the waterproof rubber plug despite dispersing position of the fastening connection to the termination of an electric wire concerned. CONSTITUTION:A waterproof rubber plug 25 is fitted with a lid 49 contacting the peripheral edge 47 of an opening 45 on the wire drawout side of a terminal accommodation chamber 31, and an elongating/contracting deformation part 43 is furnished between a fastening connection part 33 and a seal part 35. The deformation part 43 is made thinner than the seal part 35 and formed with a smaller wall thickness than the same 35. In the condition that the plug 25 is formed, the part swells outward and is possible to make elongation and contraction in the axial direction of an electric wire 27 and also capable of deforming in the direction across the wire axial direction. Accordingly a dislocation of the plug 25 is absorbed by contraction of the deformation part 43, so that the plug positions relative to the parts 35 and 49 are free from risk of changing, and also there is no risk of the plug tail intruding into the chamber 31, which should lead to enhancement of the waterproofing performance.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、電線の端末に端子金具
と共に加締め接続されて端子収容室内を防水する防水ゴ
ム栓に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof rubber stopper which is caulked and connected to a terminal of an electric wire together with a terminal fitting to waterproof the terminal accommodating chamber.

【0002】[0002]

【従来の技術】図7は実開昭62−163879号公報
に記載された防水ゴム栓1を示す。この防水ゴム栓1
は、軟質の合成ゴムで一体成形されており、電線3の端
末に端子5の加締め部7と共に加締め接続される加締め
接続部9と、端子5が収容される端子収容室11の内壁
11aに密着状態で当接するシール部13とからなり、
内部を軸方向に沿って電線3が密着状態で挿通される。
2. Description of the Related Art FIG. 7 shows a waterproof rubber plug 1 described in Japanese Utility Model Laid-Open No. 62-163879. This waterproof rubber stopper 1
Is integrally formed of soft synthetic rubber, and is crimped and connected to the end of the electric wire 3 together with the crimping portion 7 of the terminal 5, and the inner wall of the terminal accommodating chamber 11 in which the terminal 5 is accommodated. And a seal portion 13 that comes into close contact with 11a,
The electric wire 3 is inserted in the inside along the axial direction in a close contact state.

【0003】加締め接続部9は、端子5の加締め部7と
電線3の外周との間に挟持されることにより、電線3に
防水ゴム栓1が固定される。シール部13には、外周面
から突出した環状のリップ部15、15が設けられてお
り、端子収容室11内に挿入されると、端子収容室11
の内壁11aに密着状態で当接し、電線3の外周と端子
収容室11の内壁11aとの間をシールする。
The caulking connection portion 9 is sandwiched between the caulking portion 7 of the terminal 5 and the outer circumference of the electric wire 3, whereby the waterproof rubber plug 1 is fixed to the electric wire 3. The seal portion 13 is provided with annular lip portions 15 and 15 protruding from the outer peripheral surface, and when inserted into the terminal accommodation chamber 11, the terminal accommodation chamber 11
The inner wall 11a of the terminal 3 is closely contacted with the inner wall 11a to seal between the outer periphery of the electric wire 3 and the inner wall 11a of the terminal accommodating chamber 11.

【0004】このような、防水ゴム栓1が接続された電
線端末の端子5を端子収容室11内に収容するには、端
子収容室11の後端部の開口17から端子5を挿入し、
さらに防水ゴム栓1を端子収容室内11に押し込む。そ
して、端子収容室11の内壁11aから突設された図示
しない可撓性の係止腕を端子5に係合させることによ
り、端子5を端子収容室11内に収容する。
In order to accommodate the terminal 5 of the wire end to which the waterproof rubber plug 1 is connected in the terminal accommodating chamber 11, the terminal 5 is inserted through the opening 17 at the rear end of the terminal accommodating chamber 11.
Further, the waterproof rubber plug 1 is pushed into the terminal accommodating chamber 11. The terminal 5 is accommodated in the terminal accommodating chamber 11 by engaging the terminal 5 with a flexible locking arm (not shown) protruding from the inner wall 11 a of the terminal accommodating chamber 11.

【0005】このとき、端子5と共に端子収容室11内
に開口17側から押し込まれた防水ゴム栓1は、リップ
部15、15が端子収容室11の内壁11aに密着状態
で当接すると共に、電線3が防水ゴム栓1の内壁に密着
状態で挿通されるので、防水ゴム栓1と電線3の外周と
の間、端子収容室11の内壁11aとの間がシールされ
て、端子収容室11内が確実に防水されるようになって
いる。
At this time, in the waterproof rubber plug 1 pushed into the terminal accommodating chamber 11 together with the terminal 5 from the opening 17 side, the lip portions 15 and 15 are in close contact with the inner wall 11a of the terminal accommodating chamber 11 and the electric wire Since 3 is inserted into the inner wall of the waterproof rubber stopper 1 in a close contact state, the waterproof rubber stopper 1 and the outer periphery of the electric wire 3 and the inner wall 11a of the terminal accommodating chamber 11 are sealed and the inside of the terminal accommodating chamber 11 is sealed. Is guaranteed to be waterproof.

【0006】[0006]

【発明が解決しようとする課題】しかしながら、このよ
うな防水ゴム栓1を端子5と共に端子収容室11内に押
し込む際に、端子収容室11の奥に押し込み過ぎると、
図7に示すように防水ゴム栓1の後端部19が、端子収
容室11の開口部の縁から端子収容室11内に入り込
み、段差部分21が生じる。
However, when pushing such a waterproof rubber plug 1 together with the terminal 5 into the terminal accommodating chamber 11, if it is pushed too far into the terminal accommodating chamber 11,
As shown in FIG. 7, the rear end portion 19 of the waterproof rubber plug 1 enters the terminal accommodating chamber 11 from the edge of the opening of the terminal accommodating chamber 11, and a step portion 21 is generated.

【0007】また、加締め接続部9に対する端子5の加
締め部7の位置にばらつきがある場合には、端子収容室
11内における防水ゴム栓1の位置もばらつき、加締め
接続部9のシール部13側で加締められると防水ゴム栓
の後端部19が端子収容室11内に入り込み、上記と同
様に段差部部21が生じるおそれがある。
If the position of the caulking portion 7 of the terminal 5 with respect to the caulking connection portion 9 varies, the position of the waterproof rubber plug 1 in the terminal accommodating chamber 11 also varies, and the caulking connection portion 9 is sealed. If it is caulked on the side of the portion 13, the rear end portion 19 of the waterproof rubber plug may enter the terminal accommodating chamber 11 and the step portion 21 may be formed as described above.

【0008】このような段差部部21が生じると、この
部分に水が溜まり易く、溜まった水が熱や振動により防
水ゴム栓1と端子収容室11の内壁11aとの間に浸入
し、端子間がリークしたり、端子5が腐食したりするお
それがある。この結果、接触不良を起こすおそれがあ
る。
When such a step portion 21 is formed, water is likely to accumulate in this portion, and the accumulated water enters between the waterproof rubber plug 1 and the inner wall 11a of the terminal accommodating chamber 11 due to heat or vibration, and the terminal There is a risk of leakage between the terminals and corrosion of the terminal 5. As a result, poor contact may occur.

【0009】さらに、図8に示すように、加締め接続部
9が電線3の軸方向に対して交差する方向にずれている
場合には、加締め接続部9側のシール部13も片寄るの
で、端子収容室11の内壁11aに均一に密接すること
が出来ない。このため、シール部13の後端部、すなわ
ち開口17側でのみシールすることになるので、防水性
能が低下するという問題がある。
Further, as shown in FIG. 8, when the caulking connection portion 9 is displaced in a direction intersecting the axial direction of the electric wire 3, the sealing portion 13 on the caulking connection portion 9 side is also offset. However, the inner wall 11a of the terminal accommodating chamber 11 cannot be uniformly brought into close contact with the inner wall 11a. Therefore, the sealing is performed only at the rear end portion of the seal portion 13, that is, at the side of the opening 17, so that there is a problem that the waterproof performance is deteriorated.

【0010】そこで、本発明は、電線端末への加締め接
続位置にばらつきがあっても防水ゴム栓の位置のばらつ
きを吸収して、防水性能を向上することが出来る防水ゴ
ム栓の提供を目的とする。
Therefore, the object of the present invention is to provide a waterproof rubber plug capable of improving the waterproof performance by absorbing the variation of the position of the waterproof rubber plug even if the caulking connection position to the electric wire terminal is varied. And

【0011】[0011]

【課題を解決するための手段】上記目的を達成するため
請求項1記載の発明では、電線の端末に端子金具と共に
加締め接続された加締め接続部と、端子金具が収容され
る端子収容室の内壁に密着状態で当接するシール部とを
備えて、内部を電線が密着状態で挿通する防水ゴム栓に
おいて、前記加締め接続部と後端部との間に電線の軸方
向に沿って伸縮可能で、かつ電線の軸方向に対して交差
する方向に変形可能な伸縮変形部を設けたことを特徴と
している。
In order to achieve the above object, in the invention according to claim 1, a crimping connection portion crimped and connected to a terminal of an electric wire together with a terminal fitting, and a terminal accommodating chamber accommodating the terminal fitting. A waterproof rubber plug having a seal portion that comes into close contact with the inner wall of the electric wire and through which the electric wire is inserted in the close state, and expands and contracts in the axial direction of the electric wire between the caulking connection portion and the rear end portion. It is characterized in that an expandable / contractible deformable portion which can be deformed in a direction intersecting the axial direction of the electric wire is provided.

【0012】請求項2記載の発明では、電線の端末に端
子金具と共に加締め接続された加締め接続部と、端子金
具が収容される端子収容室の内壁に密着状態で当接する
シール部とを備えて、内部を電線が密着状態で挿通する
防水ゴム栓において、端子収容室の電線引出側の開口の
周縁部に当接する蓋部を設けると共に、加締め接続部と
蓋部との間に電線の軸方向に沿って伸縮可能で、かつ電
線の軸方向に対して交差する方向に変形可能な伸縮変形
部を設けたことを特徴としている。
According to the second aspect of the present invention, there is provided a caulking connection portion which is caulked and connected to the end of the electric wire together with the terminal fitting, and a seal portion which comes into close contact with the inner wall of the terminal accommodating chamber in which the terminal fitting is accommodated. A waterproof rubber plug having an electric wire inserted through the inside thereof is provided with a lid portion that comes into contact with a peripheral portion of an opening of the terminal accommodation chamber on the electric wire drawing side, and an electric wire is provided between the caulking connection portion and the lid portion. It is characterized in that an expansion / contraction deformable portion is provided which is expandable / contractible along the axial direction and is deformable in a direction intersecting the axial direction of the electric wire.

【0013】請求項3記載の発明では、請求項1、2記
載の発明であって、伸縮変形部が加締め接続部とシール
部との間に形成されていることを特徴としている。
According to a third aspect of the present invention, the invention according to the first and second aspects is characterized in that the elastic deformation portion is formed between the caulking connection portion and the seal portion.

【0014】請求項4記載の発明では、請求項1、2記
載の発明であって、伸縮変形部がシール部に設けられて
端子収容室の内壁に密着状態で当接する複数のリップ部
間に形成されていることを特徴としている。
According to a fourth aspect of the present invention, there is provided the invention according to the first and second aspects, wherein the expansion / contraction deformation portion is provided in the seal portion, and between the plurality of lip portions that come into close contact with the inner wall of the terminal accommodating chamber. It is characterized by being formed.

【0015】請求項5記載の発明では、請求項2記載の
発明であって、伸縮変形部がシール部と蓋部との間に形
成されていることを特徴としている。
According to a fifth aspect of the present invention, the invention according to the second aspect is characterized in that the elastic deformation portion is formed between the seal portion and the lid portion.

【0016】請求項6記載の発明では、請求項1、2、
3、4、5記載の発明であって、伸縮変形部部がシール
部の厚さより薄い薄肉部に形成されていることを特徴と
している。
According to the invention described in claim 6,
The invention according to 3, 4, and 5 is characterized in that the elastic deformation portion is formed in a thin portion thinner than the thickness of the seal portion.

【0017】請求項7記載の発明では、請求項1、2、
3、4、5記載の発明であって、伸縮変形部が蛇腹状に
形成されていることを特徴としている。
According to the invention of claim 7, claims 1, 2 and
The invention described in 3, 4, and 5 is characterized in that the elastic deformation portion is formed in a bellows shape.

【0018】請求項8記載の発明では、請求項2、3、
4、5記載の発明であって、蓋部が端子収容室の電線引
出側の開口の内径より大径で開口の周縁部に当接する鍔
部と、挿通された電線の外周と端子収容室の電線引出側
の開口の外側で密着状態で当接する電線挿通部とからな
ることを特徴としている。
According to the invention described in claim 8, claims 2, 3,
In the inventions described in paragraphs 4 and 5, the lid portion has a flange portion having a diameter larger than the inner diameter of the opening of the terminal accommodation chamber on the wire drawing side, and abutting on the peripheral edge portion of the opening, the outer periphery of the inserted electric wire and the terminal accommodation chamber. It is characterized in that it comprises an electric wire insertion portion that abuts in a close contact state outside the opening on the electric wire drawing side.

【0019】[0019]

【作用】請求項1の発明によれば、端子と共に防水ゴム
栓を端子収容室内に押し込むことにより、シール部が端
子収容室の内壁に密着状態で当接し、端子収容室内が防
水される。電線端末への防水ゴム栓の加締め接続位置が
シール側にある場合は、防水ゴム栓は端子収容室の奥側
へずれるが、伸縮変形部が伸長することによりこのずれ
が吸収される。また、電線端末への防水ゴム栓の加締め
接続位置が加締め接続部の先端部側にある場合は、防水
ゴム栓は端子収容室の外側へずれるが、伸縮変形部が収
縮することによりこのずれが吸収される。さらに、加締
め接続部が電線の軸方向に対して交差する方向にずれて
いる場合にも、伸縮変形部がこの方向に変形することに
より、このずれが吸収される。従って、加締め接続部の
位置がずれても防水ゴム栓のずれが伸縮変形部により吸
収されるので、後端部が端子収容室内に入り込むことが
なくなり、段差部分が生じることがない。
According to the first aspect of the present invention, by pushing the waterproof rubber plug together with the terminal into the terminal accommodating chamber, the seal portion is brought into close contact with the inner wall of the terminal accommodating chamber to waterproof the terminal accommodating chamber. When the caulking connection position of the waterproof rubber plug to the wire end is on the seal side, the waterproof rubber plug is displaced to the inner side of the terminal accommodating chamber, but this displacement is absorbed by the expansion and contraction deformation portion. Further, when the crimping connection position of the waterproof rubber plug to the wire end is on the tip end side of the crimping connection part, the waterproof rubber plug is displaced to the outside of the terminal accommodating chamber, but the expansion and contraction deformation part contracts, The gap is absorbed. Further, even when the caulking connection portion is displaced in the direction intersecting the axial direction of the electric wire, the displacement is absorbed by the expansion / contraction deformation portion being deformed in this direction. Therefore, even if the position of the caulking connection portion is displaced, the displacement of the waterproof rubber plug is absorbed by the expansion / contraction deformation portion, so that the rear end portion does not enter the terminal accommodating chamber and the step portion does not occur.

【0020】請求項2の発明によれば、端子と共に防水
ゴム栓を端子収容室内に押し込むことにより、シール部
が端子収容室の内壁に密着状態で当接すると共に、端子
収容室の電線引出側の開口の周縁部に蓋部が当接する。
これにより、端子収容室内が防水される。この場合、端
子収容室の電線引出側開口の周縁部に蓋部が当接するこ
とにより、端子収容室の奥に防水ゴム栓の後端部が押し
込まれることがない。また、端子と共に加締めされる軸
方向の位置にばらつきがあっても、伸縮変形部が軸方向
に伸縮することにより防水ゴム栓の位置のずれが吸収さ
れる。また、加締め接続位置が電線の軸方向に対して交
差する方向にずれていても伸縮変形部の変形により防水
ゴム栓の位置のずれが吸収される。
According to the second aspect of the present invention, the waterproof rubber stopper is pushed into the terminal accommodating chamber together with the terminal, so that the seal portion comes into contact with the inner wall of the terminal accommodating chamber in a close contact state and at the wire drawing side of the terminal accommodating chamber. The lid contacts the peripheral edge of the opening.
As a result, the terminal accommodating chamber is waterproofed. In this case, the rear end of the waterproof rubber plug is not pushed into the inner part of the terminal accommodating chamber by the contact of the lid with the peripheral edge of the electric wire outlet side opening of the terminal accommodating chamber. Further, even if there is a variation in the axial position where the terminals are caulked together with the terminal, the expansion / contraction deformation part expands / contracts in the axial direction to absorb the displacement of the waterproof rubber plug. Further, even if the caulking connection position is displaced in the direction intersecting the axial direction of the electric wire, the displacement of the waterproof rubber plug is absorbed by the deformation of the elastic deformation portion.

【0021】請求項3の発明によれば、端子と共に加締
めされる軸方向の位置にばらつきがあっても、伸縮変形
部が電線の軸方向に伸縮したり、軸方向に対して交差す
る方向に変形することにより、防水ゴム栓のずれが吸収
される。この場合、伸縮変形部が加締め接続部とシール
部との間に形成されているので、加締め接続部の位置が
ずれていても、加締め接続部のみがずれて、シール部、
蓋部がずれることがない。
According to the third aspect of the invention, even if there is a variation in the axial position where the terminals are crimped together with the terminal, the expansion / contraction deformation part expands / contracts in the axial direction of the electric wire or intersects with the axial direction. The deformation of the waterproof rubber plug is absorbed by the deformation. In this case, since the expansion / contraction deformation part is formed between the caulking connection part and the seal part, even if the position of the caulking connection part is displaced, only the caulking connection part is displaced, and the sealing part,
The lid will not shift.

【0022】請求項4記載の発明によれば、端子と共に
加締めされる軸方向の位置にばらつきがあっても、伸縮
変形部が電線の軸方向に伸縮したり、軸方向に対して交
差する方向に変形することにより、防水ゴム栓のずれが
吸収される。この場合、伸縮変形部がシール部のリップ
部間に形成されているので、加締め接続部側のリップ部
と加締め接続部がずれて、蓋部側のリップ部及び蓋部が
ずれることがない。
According to the fourth aspect of the invention, even if there is a variation in the axial position where the terminals are crimped together, the elastic deformation portion expands or contracts in the axial direction of the electric wire or intersects the axial direction. The deformation of the waterproof rubber plug is absorbed by the deformation in the direction. In this case, since the elastic deformation portion is formed between the lip portions of the seal portion, the lip portion on the caulking connection portion side and the caulking connection portion may be displaced, and the lip portion on the lid portion side and the lid portion may shift. Absent.

【0023】請求項5記載の発明によれば、端子と共に
加締められる軸方向の位置にばらつきがあっても、伸縮
変形部が電線の軸方向に伸縮したり、軸方向に対して交
差する方向に変形することにより、防水ゴム栓のずれが
吸収される。この場合、伸縮変形部がシール部と蓋部と
の間に形成されているので、加締め接続部及びシール部
がずれて、蓋部がずれることがない。
According to the fifth aspect of the present invention, even if there is a variation in the axial position where the terminals are caulked together, the expansion / contraction deformation part expands / contracts in the axial direction of the electric wire or intersects with the axial direction. The deformation of the waterproof rubber plug is absorbed by the deformation. In this case, since the expansion / contraction deformation portion is formed between the seal portion and the lid portion, the caulking connection portion and the seal portion do not shift and the lid portion does not shift.

【0024】請求項6記載の発明によれば、端子と共に
加締め接続される位置にばらつきがあっても、薄肉部が
伸縮することにより、防水ゴム栓の位置のずれが吸収さ
れる。これにより、例えば電線が端子収容室の奥に引き
込まれることがなくなり、防水ゴム栓と端子収容室の電
線引出側の開口の周縁部との間に段差部分が生じること
がない。
According to the sixth aspect of the present invention, even if there is a variation in the position where the terminals are caulked and connected, the displacement of the waterproof rubber plug is absorbed by the expansion and contraction of the thin portion. Thereby, for example, the electric wire is not drawn into the terminal accommodating chamber, and a step portion is not formed between the waterproof rubber plug and the peripheral edge of the electric wire drawing side opening of the terminal accommodating chamber.

【0025】請求項7の発明によれば、端子と共に加締
め接続される位置にばらつきがあっても、蛇腹部分が伸
縮することにより、防水ゴム栓の位置のずれが吸収され
る。これにより、例えば電線が端子収容室の奥に引き込
まれることがなくなり、防水ゴム栓と電線引出側の開口
の周縁部との間に段差部分が生じることがない。
According to the seventh aspect of the present invention, even if there is a variation in the position where the terminals are caulked and connected, the displacement of the waterproof rubber plug is absorbed by the expansion and contraction of the bellows portion. Thereby, for example, the electric wire is not drawn into the terminal accommodating chamber, and a step portion is not formed between the waterproof rubber plug and the peripheral portion of the opening on the electric wire drawing side.

【0026】請求項8の発明によれば、端子と共に端子
収容室内に防水ゴム栓を押し込むと、鍔部が端子収容室
の開口部の周縁部分に当接することにより、防水ゴム栓
の後端部が端子収容室内に入り込むことがなくなり、端
子収容室の開口部の周縁部分と防水ゴム栓の後端部との
間に段差部分が生じることがない。また、防水ゴム栓を
挿通した電線は、端子収容室の電線引出側開口の外側で
密着状態で電線挿通部に当接する。
According to the invention of claim 8, when the waterproof rubber stopper is pushed into the terminal accommodating chamber together with the terminal, the collar portion abuts on the peripheral edge portion of the opening of the terminal accommodating chamber, whereby the rear end portion of the waterproof rubber stopper. Does not enter the terminal accommodating chamber, and no step is formed between the peripheral edge of the opening of the terminal accommodating chamber and the rear end of the waterproof rubber plug. Further, the electric wire inserted through the waterproof rubber plug comes into close contact with the electric wire insertion portion outside the electric wire pull-out side opening of the terminal accommodating chamber.

【0027】[0027]

【実施例】以下、本発明に係る防水ゴム栓の実施例につ
いて図面を用いて説明する。図1(a)は、実施例の防
水ゴム栓25と、この防水ゴム栓25が電線27の端末
に加締め接続される端子金具29とを示す斜視図、
(b)は端子収容室31の後端部に装着された状態の防
水ゴム栓25を示す断面図である。また、図2、図3は
端子収容室31の後端部に装着された防水ゴム栓を示す
断面図である。
Embodiments of the waterproof rubber stopper according to the present invention will be described below with reference to the drawings. FIG. 1A is a perspective view showing a waterproof rubber plug 25 of the embodiment and a terminal fitting 29 to which the waterproof rubber plug 25 is caulked and connected to an end of an electric wire 27,
(B) is a cross-sectional view showing the waterproof rubber plug 25 attached to the rear end portion of the terminal accommodating chamber 31. 2 and 3 are cross-sectional views showing a waterproof rubber plug attached to the rear end of the terminal accommodating chamber 31.

【0028】図1乃至図3に示すように、本実施例の防
水ゴム栓25は、電線27の端末に端子金具29と共に
加締め接続される加締め接続部33と、端子金具29が
収容される端子収容室31の内壁31aに密着状態で当
接するシール部35とを備えている。
As shown in FIGS. 1 to 3, the waterproof rubber plug 25 of the present embodiment accommodates the terminal fitting 29 and the crimping connection portion 33 to be caulked and connected to the terminal of the electric wire 27 together with the terminal fitting 29. And a seal portion 35 that abuts the inner wall 31a of the terminal accommodating chamber 31 in a close contact state.

【0029】加締め接続部33は、電線27の外周全域
に密着状態で嵌合される筒状に形成され、外周に端子金
具29の加締め部37が巻き付けられる。この結果、加
締め接続部33は電線27の外周面との間で挟持される
ことにより、電線27の端末に防水ゴム栓25が取り付
けられる。
The caulking connection portion 33 is formed in a tubular shape so as to be fitted tightly around the entire outer periphery of the electric wire 27, and the caulking portion 37 of the terminal fitting 29 is wound around the outer periphery. As a result, the caulking connection portion 33 is clamped between the outer peripheral surface of the electric wire 27 and the waterproof rubber plug 25 is attached to the end of the electric wire 27.

【0030】シール部35は、外周面に端子収容室31
の内壁31aと密着状態で当接する環状のリップ部3
9、39、39が形成され、電線27が挿通される挿通
孔41の内壁部分にも電線27の外周部分に密着状態で
当接する環状のリップ部39、39、39が形成されて
いる。このため、シール部35は、端子収容室31の内
壁31aと密着状態で当接すると共に、電線27とも密
着状態で当接することにより電線27の外周と端子収容
室31の内壁31aとの間をシールするようになってい
る。
The seal portion 35 is provided on the outer peripheral surface thereof with the terminal accommodating chamber 31.
Annular lip portion 3 that comes into close contact with the inner wall 31a of the
9, 39, 39 are formed, and annular lip portions 39, 39, 39 that come into close contact with the outer peripheral portion of the electric wire 27 are also formed on the inner wall portion of the insertion hole 41 into which the electric wire 27 is inserted. Therefore, the seal portion 35 comes into close contact with the inner wall 31a of the terminal accommodating chamber 31 and also comes into close contact with the electric wire 27 to thereby seal between the outer periphery of the electric wire 27 and the inner wall 31a of the terminal accommodating chamber 31. It is supposed to do.

【0031】さらに、本実施例の防水ゴム栓25は、端
子収容室31の電線引出側の開口45の周縁部47に当
接する蓋49が設けられ、加締め接続部33とシール部
35との間に伸縮変形部43が設けられている。
Further, the waterproof rubber plug 25 of the present embodiment is provided with a lid 49 that abuts on the peripheral edge portion 47 of the opening 45 on the wire lead-out side of the terminal accommodating chamber 31, so that the caulking connection portion 33 and the sealing portion 35 are connected. A stretchable deformation portion 43 is provided between them.

【0032】蓋部49は、端子収容室31の電線引出側
の開口45の内径より大径の鍔部51と、電線27が密
着状態で挿通される挿通部53とからなる。鍔部51
は、防水ゴム栓25が端子収容室31に装着された状態
では、電線引出側の開口45の周縁部47に当接する。
挿通部53は鍔部51が周縁部47に当接すると開口4
5より外側で電線27の外周に密着状態で当接する。
The lid 49 comprises a flange portion 51 having a diameter larger than the inner diameter of the opening 45 on the wire drawing side of the terminal accommodating chamber 31, and an insertion portion 53 into which the electric wire 27 is inserted in a close contact manner. Tsubabe 51
When the waterproof rubber plug 25 is attached to the terminal accommodating chamber 31, it comes into contact with the peripheral edge portion 47 of the opening 45 on the wire drawing side.
The insertion portion 53 has an opening 4 when the flange portion 51 abuts on the peripheral edge portion 47.
The outer side of the wire 5 is in close contact with the outer circumference of the wire 27.

【0033】伸縮変形部43は、シール部35より薄肉
に形成されており、その厚み寸法L1(図2参照)は、
シール部35の厚みL2より薄く設定されている。そし
て、防水ゴム栓25を成形した状態では、外側に膨らん
でおり、電線27の軸方向に沿って伸縮自在で、かつ電
線27の軸方向に対して交差する方向に変形可能となっ
ている。
The elastic deformation portion 43 is formed thinner than the seal portion 35, and its thickness dimension L1 (see FIG. 2) is
It is set to be thinner than the thickness L2 of the seal portion 35. When the waterproof rubber plug 25 is molded, the waterproof rubber plug 25 bulges outward, is expandable and contractable along the axial direction of the electric wire 27, and is deformable in a direction intersecting the axial direction of the electric wire 27.

【0034】このような防水栓25を端子収容室31に
装着するには、電線27の端末に端子金具29と共に加
締め接続された状態で、端子金具29を端子収容室31
内に挿入し、端子収容室31内に設けられた可撓性の係
止腕55と端子金具29の係止穴57とを係合し、端子
金具29を端子収容室31内に収容する。この状態で
は、シール部35のリップ部39、39、39が端子収
容室31の内壁に密着状態で当接すると共に、電線27
が挿通部53に密着状態で挿通されていることにより、
端子収容室31内が防水される。
To mount such a waterproof plug 25 in the terminal accommodating chamber 31, the terminal fitting 29 is crimped to the end of the electric wire 27 together with the terminal fitting 29, and the terminal fitting 29 is attached.
The terminal fitting 29 is housed in the terminal housing chamber 31 by inserting the flexible fitting arm 55 provided in the terminal housing chamber 31 into the locking hole 57 of the terminal fitting 29. In this state, the lip portions 39, 39, 39 of the seal portion 35 come into close contact with the inner wall of the terminal accommodating chamber 31 and the electric wire 27
Is inserted into the insertion portion 53 in a close contact state,
The inside of the terminal accommodating chamber 31 is waterproof.

【0035】また、このとき、防水ゴム栓25の加締め
接続部33、シール部35も端子収容室31内に押し込
まれるが、蓋部49の鍔部51が、端子収容室31の電
線引出側の開口45の周縁部分47に当接し、防水ゴム
栓25の後端部が端子収容室31内に入り込むことがな
い。
At this time, the caulking connection portion 33 and the seal portion 35 of the waterproof rubber plug 25 are also pushed into the terminal accommodating chamber 31, but the flange portion 51 of the lid 49 causes the lead-out side of the terminal accommodating chamber 31. The rear end portion of the waterproof rubber stopper 25 does not enter the terminal accommodating chamber 31 because the rear end portion of the waterproof rubber stopper 25 comes into contact with the peripheral edge portion 47 of the opening 45.

【0036】また、電線端末への加締め接続部33の位
置がばらついている場合、例えば、図2に示すように、
加締め接続部33の先端部側に加締められている場合に
は、伸縮変形部43が電線27の軸方向に沿って縮むこ
とにより加締め接続部33の位置のみずれてシール部3
5、蓋部49がずれることがない。すなわち、伸縮変形
部43の収縮により、防水ゴム栓25のずれが吸収され
る。これにより、防水ゴム栓25のシール部35と蓋部
49との位置がずれることがなく、防水栓25の後端部
が端子収容室31内に入り込むことがない。
When the position of the caulking connection portion 33 to the wire end is varied, for example, as shown in FIG.
When the caulking connection portion 33 is caulked on the distal end side, the expansion and contraction deforming portion 43 contracts along the axial direction of the electric wire 27, whereby only the position of the caulking connection portion 33 is displaced and the sealing portion 3 is formed.
5. The lid 49 is not displaced. That is, the contraction of the elastic deformation portion 43 absorbs the displacement of the waterproof rubber plug 25. As a result, the positions of the seal portion 35 and the lid portion 49 of the waterproof rubber stopper 25 do not shift, and the rear end portion of the waterproof stopper 25 does not enter the terminal accommodating chamber 31.

【0037】また、電線端末の加締め部分がシール部3
5側で加締められた場合には、加締め接続部33は端子
収容室31の奥側に位置することになり、シール部35
が端子収容室31の奥側に引っ張られるが、伸縮変形部
43が伸長することにより、シール部35、蓋部49が
端子収容室31の奥にずれることがない。すなわち、伸
縮変形部43が防水ゴム栓25のずれを吸収する。これ
により、防水ゴム栓25のシール部35と蓋部49との
位置がずれることがないので、端子収容室31の電線引
出側の開口45の周縁と防水ゴム栓25の後端部との間
に段差部分が生じることがなくなり、水が溜ることがな
い。
The caulking portion of the wire end is the seal portion 3.
When the caulking is performed on the fifth side, the caulking connection portion 33 is located on the inner side of the terminal accommodating chamber 31, and the sealing portion 35 is formed.
Is pulled to the inner side of the terminal accommodating chamber 31, but the expansion and contraction deforming portion 43 extends so that the seal portion 35 and the lid 49 are not displaced to the inner side of the terminal accommodating chamber 31. That is, the elastic deformation portion 43 absorbs the displacement of the waterproof rubber plug 25. As a result, the seal portion 35 of the waterproof rubber plug 25 and the lid portion 49 are not displaced from each other, so that the periphery of the opening 45 on the wire lead-out side of the terminal accommodating chamber 31 and the rear end portion of the waterproof rubber plug 25 are prevented. There is no stepped part on the surface, and water does not collect.

【0038】さらに、図4に示すように、加締め接続部
33が軸方向に対して交差する方向に位置ずれが生じて
いても伸縮変形部43が軸方向に対して交差する方向に
変形するので、シール部35、蓋部49が軸方向に対し
て交差する方向にずれることがない。
Further, as shown in FIG. 4, even if the caulking connection portion 33 is displaced in the direction intersecting the axial direction, the expansion / contraction deforming portion 43 is deformed in the direction intersecting the axial direction. Therefore, the seal portion 35 and the lid portion 49 do not shift in the direction intersecting the axial direction.

【0039】従って、本実施例の防水ゴム栓25は、電
線端末の加締め接続位置にばらつきがあっても、伸縮変
形部43によりばらつきを吸収することが出来て、防水
性能を向上することが出来る。
Therefore, in the waterproof rubber plug 25 of the present embodiment, even if the caulking connection position of the wire end has a variation, the expansion / contraction deformation portion 43 can absorb the variation and improve the waterproof performance. I can.

【0040】また、本実施例によれば、加締め接続部3
3のみずれるだけでシール部35、蓋部49がずれるこ
とがないので、シール性能が低下することがない。
Further, according to this embodiment, the caulking connection portion 3
Since the seal portion 35 and the lid portion 49 are not displaced only by the displacement of 3, the sealing performance is not deteriorated.

【0041】さらに、蓋部49を設けることにより、段
差部分が生じることがなく、水が溜まることがない。よ
って、防水性能を向上することが出来る。
Further, by providing the lid portion 49, a step portion does not occur and water does not collect. Therefore, the waterproof performance can be improved.

【0042】なお、本実施例の防水ゴム栓25の後端部
に蓋部49を設けたが、伸縮変形部43のみを設けて蓋
部49は設けなくても良い。
Although the lid portion 49 is provided at the rear end portion of the waterproof rubber plug 25 of this embodiment, only the elastic deformation portion 43 may be provided and the lid portion 49 may not be provided.

【0043】次に、他の実施例について説明する。図5
に示す防水ゴム栓59は、伸縮変形部61がシール部6
3のリップ部65、65の間に形成されている。
Next, another embodiment will be described. Figure 5
The waterproof rubber plug 59 shown in FIG.
It is formed between the three lip portions 65, 65.

【0044】加締め接続部33の加締め位置が電線27
の軸方向にずれている場合には、伸縮変形部61が軸方
向に伸縮することにより、加締め接続部33及び加締め
接続部33側のリップ部65、65が軸方向にずれて端
子収容室31に装着される。また、加締め接続部33が
軸方向に対して交差する方向にずれている場合には、伸
縮変形部61が軸方向に対して交差する方向に変形す
る。
The caulking position of the caulking connection portion 33 is the electric wire 27.
When the elastic deformation portion 61 expands and contracts in the axial direction, the caulking connection portion 33 and the lip portions 65, 65 on the caulking connection portion 33 side are displaced in the axial direction and the terminal is accommodated. It is attached to the chamber 31. When the caulking connection portion 33 is displaced in the direction intersecting the axial direction, the expansion / contraction deforming portion 61 is deformed in the direction intersecting the axial direction.

【0045】図5に示す防水ゴム栓59も上記実施例の
防水ゴム栓25と同様に、電線端末への加締め接続位置
にばらつきがあっても防水ゴム栓の位置のばらつきを吸
収して、防水性能を向上することが出来る。この防水ゴ
ム栓59は、シール部63と加締め接続部33側のリッ
プ部65、65の位置がずれ、蓋部49と蓋部49側の
リップ部65がずれることがない。
The waterproof rubber plug 59 shown in FIG. 5 also absorbs the variation in the position of the waterproof rubber plug, even if the caulking connection position to the electric wire terminal varies, like the waterproof rubber plug 25 of the above embodiment. The waterproof performance can be improved. In this waterproof rubber plug 59, the positions of the seal portion 63 and the lip portions 65, 65 on the caulking connection portion 33 side are not displaced, and the lid portion 49 and the lip portion 65 on the lid portion 49 side are not displaced.

【0046】図6に示す防水ゴム栓67は、伸縮変形部
69がシール部35と蓋部49との間に形成されてい
る。
In the waterproof rubber plug 67 shown in FIG. 6, a stretchable deformation portion 69 is formed between the seal portion 35 and the lid portion 49.

【0047】加締め接続部33の加締め位置が電線27
の軸方向にずれている場合には、伸縮変形部61が軸方
向に伸縮することにより、加締め接続部33及び加締め
接続部33側のリップ部39、39が軸方向にずれて端
子収容室31に装着される。また、加締め接続部33が
軸方向に対して交差する方向にずれている場合には、伸
縮変形部69が軸方向に対して交差する方向に変形す
る。
The caulking position of the caulking connection portion 33 is the electric wire 27.
In the case where the crimping connection portion 33 and the lip portions 39, 39 on the crimping connection portion 33 side are displaced in the axial direction by the expansion and contraction of the expansion and contraction deformable portion 61 in the axial direction, the terminals are accommodated. It is attached to the chamber 31. When the caulking connection portion 33 is displaced in the direction intersecting the axial direction, the expansion / contraction deforming portion 69 is deformed in the direction intersecting the axial direction.

【0048】図6に示す防水ゴム栓67も上記実施例の
防水ゴム栓25と同様に、電線端末への加締め接続位置
にばらつきがあっても防水ゴム栓の位置のばらつきを吸
収して、防水性能を向上することが出来る。
Similarly to the waterproof rubber plug 25 of the above-mentioned embodiment, the waterproof rubber plug 67 shown in FIG. 6 also absorbs the variation in the position of the waterproof rubber plug even if the caulking connection position to the wire end varies. The waterproof performance can be improved.

【0049】なお、上記各実施例では、伸縮変形部4
3、61、69を薄肉に形成したが、これらの伸縮変形
部43、61、69は、蛇腹状に形成しても良い。
In each of the above embodiments, the expansion / contraction deformation section 4 is used.
Although the thin portions 3, 61 and 69 are formed, the elastic deformation portions 43, 61 and 69 may be formed in a bellows shape.

【0050】[0050]

【発明の効果】以上説明したように請求項1の発明によ
れば、加締め接続部と後端部との間に電線の軸方向に沿
って伸縮可能で、かつ電線の軸方向に対して交差する方
向に変形可能な伸縮変形部を設けたことにより、電線端
末への加締め接続位置にばらつきがあっても伸縮変形部
により防水ゴム栓の位置のばらつきを吸収することが出
来、防水性能を向上することが出来る。
As described above, according to the invention of claim 1, it is possible to expand and contract along the axial direction of the electric wire between the caulking connection portion and the rear end portion, and to the axial direction of the electric wire. By providing the elastic deformation part that can be deformed in the intersecting direction, even if the caulking connection position to the wire end varies, the elastic deformation part can absorb the variation in the position of the waterproof rubber plug, and the waterproof performance Can be improved.

【0051】請求項2の発明によれば、端子収容室の電
線引出側の開口の周縁部に当接する蓋部を設けると共
に、加締め接続部と蓋部との間に電線の軸方向に沿って
伸縮可能で、かつ電線の軸方向に対して交差する方向に
変形可能な伸縮変形部を設けたことにより、電線端末へ
の加締め接続位置にばらつきがあっても伸縮変形部によ
り防水ゴム栓の位置のばらつきを吸収することが出来、
蓋部が開口の周縁部に当接することにより防水ゴム栓が
端子収容室内に引き込まれることがなくなる。従って、
防水ゴム栓の後端部と端子収容室の開口の周縁部との間
に段差部分が生じることがないので、水が溜ることがな
い。よって、防水性能を向上することが出来る。
According to the second aspect of the present invention, a lid portion is provided which abuts on the peripheral edge portion of the opening of the terminal accommodating chamber on the wire lead-out side, and is provided between the caulking connection portion and the lid portion in the axial direction of the electric wire. By providing an elastic deformation part that can be expanded and contracted and can be deformed in a direction intersecting the axial direction of the wire, even if the caulking connection position to the wire end varies, the elastic deformation part It is possible to absorb the variation in the position of
When the lid contacts the peripheral edge of the opening, the waterproof rubber plug is prevented from being drawn into the terminal accommodating chamber. Therefore,
Since no step portion is formed between the rear end portion of the waterproof rubber plug and the peripheral edge portion of the opening of the terminal accommodating chamber, water does not collect. Therefore, the waterproof performance can be improved.

【0052】請求項3の発明によれば、伸縮変形部を加
締め接続部とシール部との間に形成することにより、加
締め接続部の位置が電線の軸方向あるいは、電線の軸方
向に対して交差する方向にずれていても、伸縮変形部が
このずれを吸収して加締め接続部のみが移動し、シール
部、蓋部が移動することがない。よって、防水性能が低
下することがなく確実に防水することが出来る。
According to the third aspect of the present invention, the expansion / contraction deformation portion is formed between the caulking connection portion and the seal portion, so that the position of the caulking connection portion is in the axial direction of the electric wire or the axial direction of the electric wire. Even if they are displaced in the direction intersecting with each other, the expansion / contraction deformation part absorbs this displacement and only the caulking connection part moves, and the seal part and lid part do not move. Therefore, it is possible to ensure waterproofing without lowering the waterproof performance.

【0053】請求項4の発明によれば、伸縮変形部がシ
ール部のリップ部間に形成されているので、加締め接続
部側のリップ部と加締め接続部が移動し、蓋部側のリッ
プ部及び蓋部が移動することがない。よって、防水性能
が低下することがなく確実に防水することが出来る。
According to the fourth aspect of the present invention, since the expansion / contraction deformation portion is formed between the lip portions of the seal portion, the lip portion on the caulking connection portion side and the caulking connection portion move, and the lid portion on the lid portion side is moved. The lip and lid do not move. Therefore, it is possible to ensure waterproofing without lowering the waterproof performance.

【0054】請求項5の発明によれば、伸縮変形部がシ
ール部と蓋部との間に形成されているので、加締め接続
部が電線の軸方向あるいは、電線の軸方向に対して交差
する方向にずれも、伸縮変形部がこのずれを吸収して蓋
部が移動することがない。よって、防水ゴム栓の後端部
と開口の周縁部との間に段差部分が生じないので水が溜
ることがなく、確実に防水することが出来る。
According to the fifth aspect of the invention, since the expansion / contraction deformation portion is formed between the seal portion and the lid portion, the caulking connection portion intersects the axial direction of the electric wire or the axial direction of the electric wire. Even if the cover portion is displaced in the direction of movement, the expansion / contraction deformation portion does not absorb the displacement and the lid portion does not move. Therefore, since no step portion is formed between the rear end portion of the waterproof rubber plug and the peripheral edge portion of the opening, water does not collect and reliable waterproofing can be achieved.

【0055】請求項6の発明によれば、端子と共に加締
め接続される位置にばらつきがあっても、薄肉部が伸縮
することにより、防水ゴム栓の位置のずれが吸収され
る。よって、電線が端子収容室の奥に引き込まれること
がなくなり、防水ゴム栓と電線との間に隙間部分が生じ
ることがなく、防水性能を向上することが出来る。
According to the sixth aspect of the present invention, even if there is a variation in the position where the terminals are caulked and connected, the thin portion expands and contracts to absorb the displacement of the waterproof rubber plug. Therefore, the electric wire is not drawn into the back of the terminal accommodating chamber, a gap portion is not formed between the waterproof rubber plug and the electric wire, and the waterproof performance can be improved.

【0056】請求項7の発明によれば、端子と共に加締
め接続される位置にばらつきがあっても、蛇腹部分が伸
縮することにより、防水ゴム栓の位置のずれが吸収され
る。これにより、電線が端子収容室の奥に引き込まれる
ことがなくなり、防水ゴム栓と電線との間に隙間部分が
生じることがない。よって、防水性能を向上することが
出来る。
According to the seventh aspect of the invention, even if there is a variation in the position where the terminals are caulked and connected, the displacement of the waterproof rubber plug is absorbed by the expansion and contraction of the bellows portion. This prevents the electric wire from being drawn into the terminal accommodating chamber, and does not cause a gap between the waterproof rubber plug and the electric wire. Therefore, the waterproof performance can be improved.

【0057】請求項8の発明によれば、端子と共に端子
収容室内に防水ゴム栓を押し込むと、鍔部が端子収容室
の開口部の周縁部分に当接することにより、防水ゴム栓
の後端部が端子収容室内に入り込むことがなくなり、端
子収容室の開口部の周縁部分と防水ゴム栓の後端部との
間に段差部分が生じることがない。また、防水ゴム栓を
挿通した電線は、端子収容室の電線引出側開口の外側で
密着状態で電線挿通部に当接する。従って、防水ゴム栓
と電線との間や、防水ゴム栓の後端部と端子収容室の開
口の周縁部との間に隙間部分や段差部分が生じることが
ないので、水が溜ることがなく、防水性能を向上するこ
とが出来る。
According to the invention of claim 8, when the waterproof rubber stopper is pushed into the terminal accommodating chamber together with the terminal, the collar portion abuts on the peripheral edge portion of the opening of the terminal accommodating chamber, whereby the rear end portion of the waterproof rubber stopper. Does not enter the terminal accommodating chamber, and no step is formed between the peripheral edge of the opening of the terminal accommodating chamber and the rear end of the waterproof rubber plug. Further, the electric wire inserted through the waterproof rubber plug comes into close contact with the electric wire insertion portion outside the electric wire pull-out side opening of the terminal accommodating chamber. Therefore, there is no gap or step between the waterproof rubber stopper and the electric wire, or between the rear end of the waterproof rubber stopper and the peripheral edge of the opening of the terminal accommodating chamber. , The waterproof performance can be improved.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に係る防水ゴム栓の実施例を示し、
(a)は電線の端末に端子と共に加締められた状態を示
す斜視図、(b)は電線端末に端子と共に加締められて
端子端子収容室に装着された状態を示す断面図である。
FIG. 1 shows an embodiment of a waterproof rubber stopper according to the present invention,
(A) is a perspective view showing a state where the end of the electric wire is swaged together with the terminal, and (b) is a cross-sectional view showing a state where the electric wire end is swaged together with the terminal and attached to the terminal housing.

【図2】本発明に係る防水ゴム栓を示し、加締め接続部
の先端部分で電線の端末に加締め接続された状態を示す
断面図である。
FIG. 2 is a cross-sectional view showing a waterproof rubber stopper according to the present invention, showing a state in which a tip portion of a caulking connection portion is caulked and connected to an end of an electric wire.

【図3】本発明に係る防水ゴム栓を示し、加締め接続部
のシール部よりで電線の端末に加締め接続された状態を
示す断面図である。
FIG. 3 is a cross-sectional view showing a waterproof rubber stopper according to the present invention, showing a state in which the waterproof rubber plug is caulked and connected to an end of an electric wire through a sealing portion of a caulking connection portion.

【図4】本発明に係る防水ゴム栓を示し、加締め接続部
が電線の軸方向に対して交差する方向に移動した状態を
示す断面図である。
FIG. 4 is a cross-sectional view showing a waterproof rubber stopper according to the present invention, showing a state in which a caulking connection portion moves in a direction intersecting an axial direction of an electric wire.

【図5】本発明に係る防水ゴム栓の他の実施例を示し伸
縮変形部を伸縮変形部とシール部に設けた例を示す断面
図である。
FIG. 5 is a cross-sectional view showing another embodiment of the waterproof rubber plug according to the present invention, in which an expansion / contraction deformation part is provided in the expansion / contraction deformation part and the seal part.

【図6】本発明に係る防水ゴム栓の他の実施例を示し伸
縮変形部をシール部と蓋部との間に設けた例を示す断面
図である。
FIG. 6 is a cross-sectional view showing another embodiment of the waterproof rubber plug according to the present invention, in which an elastic deformation portion is provided between a seal portion and a lid portion.

【図7】従来の防水ゴム栓が端子収容室に装着された状
態を示す断面図である。
FIG. 7 is a cross-sectional view showing a state where a conventional waterproof rubber plug is mounted in a terminal accommodating chamber.

【図8】従来のゴム栓が端子収容室に装着された状態を
示し、加締め接続部分が軸方向に対して交差する方向に
ずれた状態を示す断面図である。
FIG. 8 is a cross-sectional view showing a state in which a conventional rubber plug is mounted in a terminal accommodating chamber and a state in which a caulking connection portion is displaced in a direction intersecting the axial direction.

【符号の説明】[Explanation of symbols]

25、59、67 防水ゴム栓 27 電線 29 端子金具 31 端子収容室 31a 内壁 33 加締め接続部 35、63 シール部 43、61、69 伸縮変形部 45 開口 47 周縁部 49 蓋部 51 鍔部 53 挿通部 25, 59, 67 Waterproof rubber plug 27 Electric wire 29 Terminal fitting 31 Terminal accommodating chamber 31a Inner wall 33 Caulking connection part 35, 63 Seal part 43, 61, 69 Expansion / contraction deformation part 45 Opening 47 Peripheral part 49 Lid part 51 Collar part 53 Insertion Department

Claims (8)

【特許請求の範囲】[Claims] 【請求項1】 電線の端末に端子金具と共に加締め接続
された加締め接続部と、端子金具が収容される端子収容
室の内壁に密着状態で当接するシール部とを備えて、内
部を電線が密着状態で挿通する防水ゴム栓において、前
記加締め接続部と後端部との間に電線の軸方向に沿って
伸縮可能で、かつ電線の軸方向に対して交差する方向に
変形可能な伸縮変形部を設けたことを特徴とする防水ゴ
ム栓。
1. An inside of an electric wire is provided with a caulking connection part which is caulked and connected to a terminal of an electric wire together with a terminal fitting, and a seal part which comes into close contact with an inner wall of a terminal accommodating chamber in which the terminal fitting is accommodated. In the waterproof rubber plug which is inserted in a close contact state, it is possible to expand and contract along the axial direction of the electric wire between the caulking connection portion and the rear end portion, and deformable in a direction intersecting the axial direction of the electric wire. A waterproof rubber stopper that is provided with a stretchable deformation part.
【請求項2】 電線の端末に端子金具と共に加締め接続
された加締め接続部と、端子金具が収容される端子収容
室の内壁に密着状態で当接するシール部とを備えて、内
部を電線が密着状態で挿通する防水ゴム栓において、前
記端子収容室の電線引出側の開口の周縁部に当接する蓋
部を設けると共に、前記加締め接続部と前記蓋部との間
に電線の軸方向に沿って伸縮可能で、かつ電線の軸方向
に対して交差する方向に変形可能な伸縮変形部を設けた
ことを特徴とする防水ゴム栓。
2. The inside of the electric wire is provided with a caulking connection portion which is caulked and connected to the end of the electric wire together with the terminal fitting, and a seal portion which comes into close contact with the inner wall of the terminal accommodating chamber in which the terminal fitting is accommodated. In a waterproof rubber plug that is inserted in a close contact state, a lid portion that comes into contact with the peripheral portion of the opening of the terminal housing chamber on the wire drawing side is provided, and an axial direction of the wire between the caulking connection portion and the lid portion. A waterproof rubber plug, which is provided with an expansion / contraction portion that can be expanded / contracted along a line and can be deformed in a direction intersecting an axial direction of an electric wire.
【請求項3】 請求項1、2記載の発明であって、前記
伸縮変形部が前記加締め接続部と前記シール部との間に
形成されていることを特徴とする防水ゴム栓。
3. The waterproof rubber plug according to claim 1, wherein the elastic deformation portion is formed between the caulking connection portion and the seal portion.
【請求項4】 請求項1、2記載の発明であって、前記
伸縮変形部が前記シール部に設けられて前記端子収容室
の内壁に密着状態で当接する複数のリップ部間に形成さ
れていることを特徴とする防水ゴム栓。
4. The invention according to claim 1, wherein the elastic deformation portion is formed between a plurality of lip portions provided on the seal portion and abuttingly contacting an inner wall of the terminal accommodating chamber. Waterproof rubber stopper characterized by being
【請求項5】 請求項2記載の発明であって、前記伸縮
変形部が前記シール部と前記蓋部との間に形成されてい
ることを特徴とする防水ゴム栓。
5. The waterproof rubber plug according to claim 2, wherein the elastically deformable portion is formed between the seal portion and the lid portion.
【請求項6】 請求項1、2、3、4、5記載の発明で
あって、前記伸縮変形部が前記シール部の厚さより薄い
薄肉部に形成されていることを特徴とする防水ゴム栓。
6. The waterproof rubber plug according to claim 1, 2, 3, 4, or 5, wherein the elastic deformation portion is formed in a thin portion thinner than the thickness of the seal portion. .
【請求項7】 請求項1、2、3、4、5記載の発明で
あって、前記伸縮変形部が蛇腹状に形成されていること
を特徴とする防水ゴム栓。
7. The waterproof rubber plug according to claim 1, 2, 3, 4, or 5, wherein the elastically deformable portion is formed in a bellows shape.
【請求項8】 請求項2、3、4、5記載の発明であっ
て、前記蓋部が前記端子収容室の電線引出側の開口の内
径より大径で前記開口の周縁部に当接する鍔部と、挿通
された電線の外周と前記端子収容室の電線引出側の開口
の外側で密着状態で当接する電線挿通部とからなること
を特徴とする防水ゴム栓。
8. The collar according to claim 2, 3, 4, or 5, wherein the lid has a diameter larger than an inner diameter of an opening of the terminal accommodating chamber on a wire drawing side and is in contact with a peripheral edge of the opening. And a wire insertion portion that comes into close contact with the outer circumference of the inserted wire and the opening of the terminal housing chamber on the wire pull-out side.
JP6034490A 1994-03-04 1994-03-04 Waterproof rubber stopper Expired - Lifetime JP2981105B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6034490A JP2981105B2 (en) 1994-03-04 1994-03-04 Waterproof rubber stopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6034490A JP2981105B2 (en) 1994-03-04 1994-03-04 Waterproof rubber stopper

Publications (2)

Publication Number Publication Date
JPH07245149A true JPH07245149A (en) 1995-09-19
JP2981105B2 JP2981105B2 (en) 1999-11-22

Family

ID=12415691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6034490A Expired - Lifetime JP2981105B2 (en) 1994-03-04 1994-03-04 Waterproof rubber stopper

Country Status (1)

Country Link
JP (1) JP2981105B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1282194A2 (en) * 2001-07-31 2003-02-05 Yazaki Corporation Waterproof connector
US7033215B2 (en) 2002-12-18 2006-04-25 Sumitomo Wiring Systems, Ltd. Sealing plug and a watertight connector provided therewith
JP2010067370A (en) * 2008-09-08 2010-03-25 Sumitomo Wiring Syst Ltd Connector
DE102016122471A1 (en) * 2016-11-22 2018-05-24 Te Connectivity Germany Gmbh Line seal, in particular single line seal, as well as electrical connector

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1282194A2 (en) * 2001-07-31 2003-02-05 Yazaki Corporation Waterproof connector
EP1282194A3 (en) * 2001-07-31 2003-10-08 Yazaki Corporation Waterproof connector
US6709282B2 (en) 2001-07-31 2004-03-23 Yazaki Corporation Waterproof connector
US7033215B2 (en) 2002-12-18 2006-04-25 Sumitomo Wiring Systems, Ltd. Sealing plug and a watertight connector provided therewith
JP2010067370A (en) * 2008-09-08 2010-03-25 Sumitomo Wiring Syst Ltd Connector
DE102016122471A1 (en) * 2016-11-22 2018-05-24 Te Connectivity Germany Gmbh Line seal, in particular single line seal, as well as electrical connector

Also Published As

Publication number Publication date
JP2981105B2 (en) 1999-11-22

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