JP2916111B2 - Duct fittings - Google Patents
Duct fittingsInfo
- Publication number
- JP2916111B2 JP2916111B2 JP24296596A JP24296596A JP2916111B2 JP 2916111 B2 JP2916111 B2 JP 2916111B2 JP 24296596 A JP24296596 A JP 24296596A JP 24296596 A JP24296596 A JP 24296596A JP 2916111 B2 JP2916111 B2 JP 2916111B2
- Authority
- JP
- Japan
- Prior art keywords
- duct
- locking
- mounting member
- peripheral surface
- fitting member
- 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
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、通気用のダクト
を接続するための接続具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for connecting a ventilation duct.
【０００２】[0002]
【従来の技術】従来より、このような接続具は、ダクト
の端部内周面に取り付けられる円筒形状のダクト取付部
材と、ダクトの被接続物の開口部に取り付けられ、ダク
ト取付部材に挿入されてその内周面に重なる円筒形状の
嵌合部材とからなり、互いに重なるダクト取付部材と嵌
合部材の対向周面の一方に、その周方向に並ぶ複数の係
止突起が設けられており、これら係止突起とそれぞれ着
脱自在に係止する係止凹所が、他方の対向周面に設けら
れている。2. Description of the Related Art Conventionally, such a connecting device is attached to an inner peripheral surface of an end portion of a duct, and is attached to an opening of an object to be connected to the duct and inserted into the duct attaching member. A cylindrical fitting member overlapping the inner peripheral surface thereof, and a plurality of locking projections arranged in the circumferential direction are provided on one of the opposed peripheral surfaces of the duct mounting member and the fitting member overlapping each other, Locking recesses for detachably locking with the locking projections are provided on the other facing peripheral surface.
【０００３】このダクト用接続具は、ダクトに取り付け
られているダクト取付部材に、ダクトの被接続物、例え
ば分岐ボックスや吹出ボックスなどに取り付けられた嵌
合部材を嵌め込んで、各係止突起と係止凹所とを係止さ
せることによって、ダクトを被接続物へ接続する。In this duct connector, a fitting to be attached to a duct, for example, a branch box or a blow-out box, is fitted into a duct attachment member attached to the duct, and each of the locking projections is fitted. The duct is connected to the object to be connected by locking the and the locking recess.
【０００４】[0004]
【発明が解決しようとする課題】ところが、従来のダク
ト用接続具は、係止突起と係止凹所とを係止させるため
に、ダクト取付部材に嵌合部材を嵌め入れた状態でダク
ト取付部材又は嵌合部材をその周方向に回転させて、係
止突起を係止凹所にぴったり位置合わせしなければなら
ないので、ダクトと被接続物との接続に手間がかかる、
という問題があった。However, the conventional duct connector has a duct mounting member fitted in the duct mounting member in order to lock the locking projection and the locking recess. Since it is necessary to rotate the member or the fitting member in the circumferential direction to exactly align the locking projection with the locking recess, it takes time to connect the duct and the object to be connected.
There was a problem.
【０００５】そこで、この発明は、ダクトと被接続物と
の接続に手間がかからない接続具を提供することを課題
とする。[0005] Therefore, an object of the present invention is to provide a connecting tool that does not require much time for connecting the duct and the object to be connected.
【０００６】[0006]
【課題を解決するための手段】上記の課題を解決するた
めに、この発明は、互いに重なるダクト取付部材と嵌合
部材の対向周面の一方に、係止突起を設け、他方の対向
周面の全周に亘って、嵌合部材のダクト取付部材への挿
入に伴って係止突起を乗り越えて係止突起に引っ掛か
り、かつ引っ掛かった状態で係止突起の対向周面周方向
へのスライドを許容する一連の係止部を形成し、この係
止部に、嵌合部材のダクト取付部材からの引き抜きに伴
って係止突起が通過する溝部を設けた。SUMMARY OF THE INVENTION In order to solve the above-mentioned problem, the present invention provides an engaging projection provided on one of the opposing peripheral surfaces of a duct mounting member and a fitting member which overlap with each other, and the other opposing peripheral surface. Around the entire circumference, the fitting member is inserted into the duct mounting member, gets over the locking projection, is caught by the locking projection, and slides the locking projection in the circumferential direction of the opposing peripheral surface in the hooked state. A series of allowable locking portions were formed, and the locking portions were provided with grooves through which the locking projections passed as the fitting member was pulled out of the duct mounting member.
【０００７】この発明に係るダクト用接続具において
は、ダクト取付部材又は嵌合部材の全周に亘って一連の
係止部が形成されているので、ダクト取付部材に嵌合部
材を、嵌め込むだけで係止部と係止突起とが係止して、
ダクトと被接続物との接続が完了する。In the duct connector according to the present invention, since the series of locking portions are formed over the entire circumference of the duct mounting member or the fitting member, the fitting member is fitted into the duct mounting member. Just the locking part and the locking projection lock,
The connection between the duct and the object is completed.
【０００８】また、嵌合部材をダクト取付部材に嵌め入
れた状態で周方向に回転させて、係止突起を溝部の位置
に合わせると、係止突起が溝部を通過可能となって、嵌
合部材をダクト取付部材から引き抜くことができる。When the engaging member is rotated in the circumferential direction in a state where the engaging member is fitted into the duct mounting member, and the engaging protrusion is aligned with the position of the groove, the engaging protrusion can pass through the groove. The member can be withdrawn from the duct mounting member.
【０００９】[0009]
【発明の実施の形態】この発明に係るダクト用接続具の
実施の形態を、添付図面に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a duct connector according to the present invention will be described with reference to the accompanying drawings.
【００１０】図１に示すダクト用接続具１は、フレキシ
ブルなダクトＤの先端部内周面に取り付けられる円筒形
状のダクト取付部材２と、ダクトＤ配管用の分岐ボック
スＢの開口部に内側から嵌め込まれて外方へ突出する円
筒形状の嵌合部材３とからなる。A duct connector 1 shown in FIG. 1 is fitted from the inside into a cylindrical duct mounting member 2 mounted on the inner peripheral surface of the distal end of a flexible duct D and an opening of a branch box B for duct D piping. And a cylindrical fitting member 3 protruding outward.
【００１１】ダクト取付部材２は、嵌合部材３が挿入可
能な大きさに形成されており、挿入された状態において
は、ダクト取付部材２の内周面と嵌合部材３の外周面と
が互いに重なるようになっている。また、ダクト取付部
材２の内周面には、その周方向に一定間隔で並ぶ３つの
係止突起４が、切り起こしによって形成されている。こ
の係止突起４は、切り起こしによる傾斜面を有し、この
傾斜面は、ダクトＤの先端側を向いている。The duct mounting member 2 is formed in such a size that the fitting member 3 can be inserted. When the duct mounting member 2 is inserted, the inner peripheral surface of the duct mounting member 2 and the outer peripheral surface of the fitting member 3 are separated. They overlap each other. In addition, on the inner peripheral surface of the duct mounting member 2, three locking projections 4 arranged at regular intervals in the circumferential direction are formed by cutting and raising. The locking projection 4 has an inclined surface formed by cutting and raising, and the inclined surface faces the distal end side of the duct D.
【００１２】嵌合部材３は、図１及び図２に示すよう
に、末端部に、外方へ突出するフランジ７を備え、外周
面の先端寄りの部分に、全周に亘って係止溝５が形成さ
れている。また、嵌合部材３は、係止溝５より先端側の
外周面部分に、図２（ａ）に示すように、所定間隔ｗを
あけて周方向に並ぶ３枚の係止板６が貼付けられてい
る。As shown in FIGS. 1 and 2, the fitting member 3 is provided with a flange 7 protruding outward at a distal end thereof, and a locking groove extending over the entire circumference at a portion near the front end of the outer peripheral surface. 5 are formed. Further, as shown in FIG. 2A, three engagement plates 6 arranged in the circumferential direction at a predetermined interval w are attached to the outer peripheral surface of the fitting member 3 on the distal end side from the engagement groove 5. Have been.
【００１３】この係止溝５と係止板６は、図２（ｂ）に
示すように、嵌合部材３のダクト取付部材２への挿入に
伴って係止突起４を乗り越えて係止突起４の端部に引っ
掛かる係止部を形成しており、この係止部に係止突起４
が引っ掛かった状態でも、係止突起４が係止部に沿って
スライド可能になっているので、嵌合部材３とダクト取
付部材２とは、嵌め合った状態で互いに周方向に回転自
在となる。As shown in FIG. 2 (b), the locking groove 5 and the locking plate 6 ride over the locking projection 4 as the fitting member 3 is inserted into the duct mounting member 2, and the locking projection 4 is formed with an engaging portion which is hooked on an end portion thereof.
Since the locking projection 4 is slidable along the locking portion even when the is hooked, the fitting member 3 and the duct mounting member 2 are rotatable in the circumferential direction with each other in the fitted state. .
【００１４】このように、このダクト用接続具１は、嵌
合部材３の外周面の全周に亘って係止部が形成されるこ
ととなるので、この嵌合部材３をダクト取付部材２に嵌
め込むだけで、ダクトＤと分岐ボックスＢとの接続が完
了する。したがって、従来のような接続時における係止
突起と係止凹所の位置合わせが不要になるので、ダクト
Ｄと被接続物との接続が著しく楽になる。As described above, in the duct connector 1, the locking portion is formed over the entire outer peripheral surface of the fitting member 3, so that the fitting member 3 is connected to the duct mounting member 2. The connection between the duct D and the branch box B is completed simply by fitting the cable into the duct D. Therefore, the positioning of the locking projection and the locking recess at the time of connection as in the related art is not required, so that the connection between the duct D and the object to be connected is greatly facilitated.
【００１５】また、係止部には、３枚の係止板６によっ
て所定幅ｗの溝部が形成されることとなり、この溝部に
係止突起４が位置するように嵌合部材３とダクト取付部
材２を周方向に相対的に回転させた後、嵌合部材３をダ
クト取付部材２から引き抜くようにすると、係止突起４
が溝部内を通過して、ダクトＤと分岐ボックスＢを分離
することができる。A groove having a predetermined width w is formed in the locking portion by the three locking plates 6, and the fitting member 3 and the duct mounting member are mounted so that the locking projection 4 is located in the groove. When the fitting member 3 is pulled out from the duct mounting member 2 after the member 2 is relatively rotated in the circumferential direction, the locking projection 4
Can pass through the groove to separate the duct D and the branch box B.
【００１６】図３に示すように、分岐ボックスＢにおけ
る嵌合部材３の末端部分に、ダクトとの密封性を高める
ためのシール材８を、全周に亘って設けてもよい。As shown in FIG. 3, a sealing member 8 for improving the sealing property with the duct may be provided over the entire periphery at the end of the fitting member 3 in the branch box B.
【００１７】また、図４に示すように、分岐ボックスＢ
の代わりに、天井Ｃに取り付けられる吹出ボックスＢ’
であってもよい。Also, as shown in FIG.
Instead of the outlet box B 'attached to the ceiling C
It may be.
【００１８】次に、この発明に係るダクト用接続具の実
施の他形態を図５及び図６に示す。Next, another embodiment of the duct connector according to the present invention is shown in FIGS.
【００１９】このダクト用接続具１０は、２本のダクト
Ｄのそれぞれの接続端部の内周面に取り付けられる上記
のダクト取付部材２、２と、これらダクト取付部材２、
２のそれぞれに両端部が挿入されてダクト取付部材２、
２の内周面に重なる円筒形状の嵌合部材１１とからな
る。The duct connecting member 10 includes the duct mounting members 2 and 2 mounted on the inner peripheral surfaces of the connection ends of the two ducts D, and the duct mounting members 2 and
2, both ends are inserted into each of the duct mounting members 2,
2 and a cylindrical fitting member 11 that overlaps the inner peripheral surface.
【００２０】この嵌合部材１１は、外周面中央部分が外
方へ膨出してダクトＤの突き合わせ部を形成しており、
また、外周面両端部に、係止溝５と係止板６とからなる
係止部がそれぞれ形成されている。このダクト用接続具
１０は、嵌合部材１１が、図５に示すように、ダクト取
付部材２、２と係合することによって、２本のダクトＤ
を接続する。In the fitting member 11, a central portion of the outer peripheral surface bulges outward to form a butt portion of the duct D.
At both ends of the outer peripheral surface, locking portions each including a locking groove 5 and a locking plate 6 are formed. As shown in FIG. 5, the duct connecting device 10 includes two ducts D when the fitting member 11 is engaged with the duct mounting members 2 and 2.
Connect.
【００２１】また、図６に示すように、ダクトＤと鋼管
９とを接続するようにしてもよい。Further, as shown in FIG. 6, the duct D and the steel pipe 9 may be connected.
【００２２】[0022]
【効果】この発明に係るダクト用接続具は、以上のよう
に構成されていることより、位置合わせをすることなく
簡単にダクトと被接続物とを接続することができるの
で、配管施工が楽になる。The duct connecting device according to the present invention is configured as described above, so that the duct and the object to be connected can be easily connected without positioning, so that the piping work can be easily performed. Become.
【図１】この発明に係るダクト用接続具の実施の一形態
を示す斜視図FIG. 1 is a perspective view showing an embodiment of a duct connector according to the present invention.
【図２】（ａ）図１に示す嵌合部材の断面図 （ｂ）図１のダクト用接続具の要部断面図2A is a cross-sectional view of the fitting member shown in FIG. 1; FIG. 2B is a cross-sectional view of a main part of the duct connector shown in FIG.
【図３】ダクトの分岐ボックスへの接続状態を示す斜視
図FIG. 3 is a perspective view showing a connection state of a duct to a branch box.
【図４】ダクトの吹出ボックスへの接続状態を示す断面
図FIG. 4 is a sectional view showing a state in which the duct is connected to a blow-out box.
【図５】この発明に係るダクト用接続具の実施の他形態
を示す断面図FIG. 5 is a sectional view showing another embodiment of the duct fitting according to the present invention.
【図６】ダクトと鋼管との接続を示す断面図FIG. 6 is a sectional view showing a connection between a duct and a steel pipe.
１、１０ ダクト用接続具 ２ ダクト取付部材 ３、１１ 嵌合部材 ４ 係止突起 ５ 係止溝 ６ 係止板 ７ フランジ ８ シール材 ９ 鋼管 Ｄ ダクト Ｂ 分岐ボックス Ｂ’ 吹出ボックス Ｃ 天井 1, 10 Duct connector 2 Duct mounting member 3, 11 Fitting member 4 Locking projection 5 Locking groove 6 Locking plate 7 Flange 8 Seal material 9 Steel pipe D Duct B Branch box B 'Blow-out box C Ceiling
Claims (3)
筒形状のダクト取付部材と、上記ダクトの被接続物の開
口部に取り付けられ、かつ上記ダクト取付部材に挿入さ
れてその内周面に重なる円筒形状の嵌合部材とからな
り、互いに重なるダクト取付部材と嵌合部材の対向周面
の一方に、係止突起を設け、他方の対向周面の全周に亘
って、上記嵌合部材のダクト取付部材への挿入に伴って
上記係止突起を乗り越えて係止突起に引っ掛かり、かつ
引っ掛かった状態で係止突起の対向周面周方向へのスラ
イドを許容する一連の係止部を形成し、この係止部に、
上記嵌合部材のダクト取付部材からの引き抜きに伴って
係止突起が通過する溝部を設けたダクト用接続具。1. A duct mounting member having a cylindrical shape attached to an inner peripheral surface of an end of a duct, and attached to an opening of an object to be connected to the duct and inserted into the duct attaching member to overlap the inner peripheral surface thereof. A locking protrusion is provided on one of the opposed peripheral surfaces of the duct mounting member and the fitting member, which are formed of a cylindrical fitting member, and which overlap with each other. A series of locking portions are formed to allow the locking protrusions to slide in the circumferential direction of the opposing peripheral surface in a state in which the locking protrusions are caught by the locking protrusions as they are inserted into the duct mounting member and are caught by the locking protrusions. , In this locking part,
A duct connector provided with a groove through which a locking projection passes as the fitting member is pulled out of the duct mounting member.
ことを特徴とする請求項１に記載のダクト用接続具。2. The duct connector according to claim 1, wherein the object to be connected is a branch box.
周面に取り付けられる円筒形状で一対のダクト取付部材
と、これらダクト取付部材のそれぞれに両端部が挿入さ
れてダクト取付部材の内周面に重なる円筒形状の嵌合部
材とからなり、互いに重なるダクト取付部材と嵌合部材
両端部の対向周面の一方に、係止突起を設け、他方の対
向周面の全周に亘って、上記嵌合部材のダクト取付部材
への挿入に伴って上記係止突起を乗り越えて係止突起に
引っ掛かり、かつ引っ掛かった状態で係止突起の対向周
面周方向へのスライドを許容する一連の係止部を形成
し、この係止部に、上記嵌合部材のダクト取付部材から
の引き抜きに伴って係止突起が通過する溝部を設けたダ
クト用接続具。3. A pair of cylindrical duct attachment members attached to the inner peripheral surfaces of the connection ends of the two ducts, and both ends of each of the duct attachment members are inserted into the duct attachment members. It consists of a cylindrical fitting member that overlaps the peripheral surface, and an engaging projection is provided on one of the opposing peripheral surfaces of both ends of the duct mounting member and the fitting member that overlap each other, and extends over the entire circumference of the other opposing peripheral surface. A series of steps that allow the engaging projection to slide in the circumferential direction of the opposing peripheral surface when the engaging member is inserted into the duct mounting member, gets over the engaging projection and is caught by the engaging projection, and in the hooked state. A connector for a duct, wherein a locking portion is formed, and the locking portion is provided with a groove through which a locking projection passes as the fitting member is withdrawn from the duct mounting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24296596A JP2916111B2 (en) | 1996-09-13 | 1996-09-13 | Duct fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24296596A JP2916111B2 (en) | 1996-09-13 | 1996-09-13 | Duct fittings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1089755A JPH1089755A (en) | 1998-04-10 |
| JP2916111B2 true JP2916111B2 (en) | 1999-07-05 |
Family
ID=17096871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24296596A Expired - Fee Related JP2916111B2 (en) | 1996-09-13 | 1996-09-13 | Duct fittings |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2916111B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4601346B2 (en) * | 2004-07-15 | 2010-12-22 | 株式会社竹中工務店 | Duct branch structure |
| JP6853927B2 (en) * | 2016-10-05 | 2021-04-07 | 株式会社誠和 | Duct joint structure and duct connection method |
| JP7220081B2 (en) * | 2019-01-09 | 2023-02-09 | フジモリ産業株式会社 | Air conditioning path connection structure |
-
1996
- 1996-09-13 JP JP24296596A patent/JP2916111B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1089755A (en) | 1998-04-10 |
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