JP4148981B1 - Alarm - Google Patents

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JP4148981B1
JP4148981B1 JP2007254657A JP2007254657A JP4148981B1 JP 4148981 B1 JP4148981 B1 JP 4148981B1 JP 2007254657 A JP2007254657 A JP 2007254657A JP 2007254657 A JP2007254657 A JP 2007254657A JP 4148981 B1 JP4148981 B1 JP 4148981B1
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switch member
alarm
drawstring
pull string
alarm device
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JP2009086927A (en
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直樹 山本
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New Cosmos Electric Co Ltd
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New Cosmos Electric Co Ltd
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Abstract

【課題】引き紐の取り付けが容易な警報器を得る。
【解決手段】検知対象を検知する検知部と、検知部の検知結果に基づいて警報を発する警報部と、検知部及び警報部を収納する筐体と、押し操作あるいは引き紐９による引き操作によって警報部の動作点検を行うスイッチ部材７とを備えた警報器１であって、引き紐９の一端部が、筐体の外周部に設けた案内部４を経て、筐体の裏面に設けた固定部３に固定されると共に、引き紐９のうち案内部４と固定部３との間に位置する部位が、スイッチ部材７に設けた係止部８に摺動自在に係止され、引き紐９の引き操作による引き紐９の張力の増加に基づき、係止部８を案内部４と固定部３とを結ぶ直線上に近接させることでスイッチ部材７を操作するよう構成してある。
【選択図】図７An alarm device in which a drawstring is easily attached is obtained.
A detection unit that detects a detection target, an alarm unit that issues an alarm based on a detection result of the detection unit, a housing that houses the detection unit and the alarm unit, and a push operation or a pulling operation by a pull string 9 The alarm device 1 includes a switch member 7 for inspecting the operation of the alarm unit, and one end portion of the drawstring 9 is provided on the back surface of the case through the guide unit 4 provided on the outer periphery of the case. A portion of the pulling cord 9 that is positioned between the guide portion 4 and the fixing portion 3 is slidably locked to a locking portion 8 provided on the switch member 7, and is fixed to the fixing portion 3. The switch member 7 is configured to be operated by bringing the locking portion 8 close to a straight line connecting the guide portion 4 and the fixing portion 3 based on an increase in tension of the pulling cord 9 due to the pulling operation of the string 9.
[Selection] Figure 7

Description

本発明は、検知対象を検知する検知部と、前記検知部の検知結果に基づいて警報を発する警報部と、前記検知部及び警報部を収納する筐体と、押し操作あるいは引き紐による引き操作によって前記警報部の動作点検を行うスイッチ部材とを備えた警報器に関する。   The present invention relates to a detection unit that detects a detection target, an alarm unit that issues an alarm based on a detection result of the detection unit, a housing that houses the detection unit and the alarm unit, and a pulling operation using a push operation or a pull string And a switch member for checking the operation of the alarm unit.

従来、この種の警報器として特許文献１には、壁掛型の火災警報器が開示されている。この警報器は、壁面側に位置する本体と保護カバーとで構成された筐体内に検知部や警報部等を備えている。また、カバー部の下部に押し操作あるいは引き紐による引き操作によって警報部の動作点検を行うスイッチ部材を備える。
この警報器において、引き紐は、その一端が本体に形成されたスリット部を経て警報器の下部の側からスイッチ部材に形成された孔部に通されることによりスイッチ部材に取り付けられ、他端が壁面に沿って垂下している。引き紐を下方に引くと、引き紐の中途部がスリット部に押し付けられることにより下方向の作用力が、壁面方向の作用力に変換される。この壁面方向の作用力により、スイッチ部材が壁面の方向に引かれ、スイッチ部材を直接押圧した場合と同様に、警報部の動作点検が行われる。 Conventionally, Patent Document 1 discloses a wall-mounted fire alarm as this type of alarm. This alarm device includes a detection unit, an alarm unit, and the like in a housing constituted by a main body and a protective cover located on the wall surface side. In addition, a switch member for checking the operation of the alarm unit by a pushing operation or a pulling operation using a pull string is provided at the lower part of the cover unit.
In this alarm device, one end of the pull string is attached to the switch member by passing through a slit formed in the main body from the lower side of the alarm device to a hole formed in the switch member, and the other end Hangs down along the wall. When the pull string is pulled downward, the midway portion of the pull string is pressed against the slit portion, so that the downward acting force is converted into the wall surface acting force. The operation check of the alarm unit is performed in the same manner as when the switch member is pulled in the direction of the wall surface by the acting force in the wall surface direction and the switch member is directly pressed.

特開２００６−５９２７８号公報JP 2006-59278 A

しかし、この警報器では、本体に形成されたスリットを通して案内された引き紐の一端部が、スイッチ部材に形成された孔部に通されることによってスイッチ部材に固定される構成になっている。このように、スイッチ部材という比較的小さな部材に設けた孔部に引き紐を通し、さらにこの引き紐をスリットに通す必要がある。このため、引き紐の取り付けが煩雑であるという問題があった。   However, in this alarm device, one end of the drawstring guided through the slit formed in the main body is configured to be fixed to the switch member by being passed through the hole formed in the switch member. Thus, it is necessary to pass the pull string through a hole provided in a relatively small member called a switch member, and further pass this pull string through the slit. For this reason, there was a problem that attachment of a drawstring was complicated.

本発明は、上述の問題点に鑑みてなされたものであり、その目的は、引き紐の取り付けが容易な警報器を得ることにある。   The present invention has been made in view of the above-described problems, and an object thereof is to obtain an alarm device in which a drawstring can be easily attached.

本発明の第１特徴構成は、検知対象を検知する検知部と、前記検知部の検知結果に基づいて警報を発する警報部と、前記検知部及び警報部を収納する筐体と、押し操作あるいは引き紐による引き操作によって前記警報部の動作点検を行うスイッチ部材とを備えた警報器であって、前記引き紐の一端部が、前記筐体のうち裏面側下端部に位置する縁部を経て、前記引き紐を挟持するよう前記筐体の裏面に形成した溝部に固定されると共に、前記引き紐のうち前記縁部と前記溝部との間に位置する部位が、前記スイッチ部材に設けた係止部に摺動自在に係止され、前記溝部は、中途部の幅が先端部及び基端部の幅よりも狭く設定されており、前記スイッチ部材の裏面側端部が、前記筐体の裏面に露出すると共に前記スイッチ部材の操作に伴って前記筐体の裏面に対して出退可能であり、当該裏面側端部に前記係止部を形成してあり、前記引き紐の引き操作による前記引き紐の張力の増加に基づき、前記係止部を前記縁部と前記溝部とを結ぶ直線上に近接させることで前記スイッチ部材を操作するよう構成してある点にある。 A first characteristic configuration of the present invention includes: a detection unit that detects a detection target; an alarm unit that issues an alarm based on a detection result of the detection unit; a housing that houses the detection unit and the alarm unit; An alarm device comprising a switch member that performs an operation check of the alarm unit by a pulling operation with a pull string, wherein one end of the pull string passes through an edge located at a lower end on the back side of the housing The switch member is fixed to a groove formed on the back surface of the casing so as to sandwich the pull string, and a portion of the pull string located between the edge and the groove is provided on the switch member. The groove is slidably locked to the stop, and the width of the midway is set to be narrower than the width of the front end and the base end, and the back side end of the switch member is Exposed on the back side and moved forward with the operation of the switch member A possible projecting and retracting with respect to the rear surface of the housing, Yes to form the locking portion to the rear surface side end portion, on the basis of the increase in the tension of the drawstrings by the pulling operation of the pull cord, the locking portion The switch member is configured to be operated by bringing the switch close to a straight line connecting the edge portion and the groove portion .

本構成により、引き紐の一端部が筐体のうち裏面側下端部に位置する縁部を経て、比較的広い筐体の裏面に形成した溝部に取り付けられるとともに、縁部と溝部との間で引き紐がスイッチ部材に設けた係止部に係止されることとなる。このため、引き紐の取り付けが容易となり、引き紐を確実に取り付けることができる。
筐体の裏面に形成した溝部に引き紐の一端部を挟持するだけで引き紐を固定することができる。このため、引き紐を固定する際に、例えば引き紐を穴に通したり、溝部に対して結びつけたりする必要がなく、引き紐を容易に固定することができる。また、引き紐を挟持することにより、引き紐が圧縮された状態で溝部に保持され、引き紐の固定が確実になる。
筐体の裏面に露出するスイッチ部材の裏面側端部に形成された係止部に引き紐を引っ掛けるだけで、引き紐を係止部に係止することができる。また、スイッチ部材の押圧操作により前記裏面側端部が筐体の裏面に突出するので、例えばスイッチ部材を押し操作して前記裏面側端部を突出させた状態で引き紐を係止することができる。このため、引き紐を係止部に容易に係止することができる。
筐体の裏面側下端部に位置する案内部としての縁部を設けることにより別途に案内部を設ける必要がないので、構成を簡素化することができる。また、引き紐を別途に設けた案内部に通したりする必要がないので、引き紐の取り付けが容易になる。 With this configuration, one end of the drawstring is attached to the groove formed on the back surface of the relatively wide housing through the edge located at the lower end on the back surface of the housing, and between the edge and the groove. The drawstring is locked to the locking portion provided on the switch member. For this reason, attachment of a drawstring becomes easy and a drawstring can be attached reliably.
The drawstring can be fixed simply by holding one end of the drawstring in the groove formed on the back surface of the housing. For this reason, when a drawstring is fixed, for example, it is not necessary to pass the drawstring through a hole or tie it to the groove portion, and the drawstring can be easily fixed. Moreover, by pinching the drawstring, the drawstring is held in the groove portion in a compressed state, and the drawstring is reliably fixed.
The pull string can be locked to the lock portion only by hooking the pull string on the lock portion formed on the back surface side end of the switch member exposed on the back surface of the housing. Moreover, since the said back surface side edge part protrudes on the back surface of a housing | casing by pressing operation of a switch member, a pulling string can be locked, for example in the state which pushed and operated the switch member and protruded the said back surface side edge part. it can. For this reason, the drawstring can be easily locked to the locking portion.
By providing an edge portion as a guide portion located at the lower end on the back side of the housing, it is not necessary to separately provide a guide portion, so that the configuration can be simplified. In addition, since it is not necessary to pass the drawstring through a separately provided guide portion, it is easy to attach the drawstring.

本発明の第２特徴構成は、前記係止部が鉤状の凹部である点にある。 The second characteristic configuration of the present invention is that the locking portion is a bowl-shaped recess .

本構成により、鉤状の凹部に引き紐を引っ掛けるだけで、引き紐を鉤状の凹部に係止することができる。 With this configuration , the pull string can be locked to the hook-shaped recess only by hooking the pull string on the hook-shaped recess.

以下、本発明の実施例を図面に基づいて説明する。
図１及び図２に本発明に係る警報器１の一例を示す。本発明に係る警報器１としては、例えば火災警報器やガス警報器、空気汚れ警報器等、一般に用いられる各種の警報器が該当する。
この警報器１は、警報器本体２の内部に、煙センサ・都市ガス検知センサ・一酸化炭素センサ・温度センサ等の用途に応じて各種検知対象を検知する検知部５及び、検知部５の検知結果に基づいて警報を発する例えばスピーカ６１・ＬＥＤ（不図示）等の警報部６などを備えている。
また、押し操作により警報部６の作動点検を行う点検スイッチＳが設けられている。この警報器１には、引き紐９が設けられ、当該引き紐９の引き操作によっても点検スイッチＳを操作することができる。 Embodiments of the present invention will be described below with reference to the drawings.
1 and 2 show an example of an alarm device 1 according to the present invention. Examples of the alarm device 1 according to the present invention include various commonly used alarm devices such as a fire alarm device, a gas alarm device, and an air contamination alarm device.
The alarm device 1 includes a detection unit 5 that detects various detection objects in accordance with the use of a smoke sensor, a city gas detection sensor, a carbon monoxide sensor, a temperature sensor, and the like. For example, an alarm unit 6 such as a speaker 61 and an LED (not shown) that issues an alarm based on the detection result is provided.
In addition, an inspection switch S that performs operation inspection of the alarm unit 6 by a push operation is provided. The alarm device 1 is provided with a pull string 9, and the inspection switch S can be operated by pulling the pull string 9.

図１、図２及び図４に示すように、警報器本体２は、例えば使用時に室内側（表側）に向く第１部材２ａと、壁の側（裏側）に向く第２部材２ｂとを有する。第１部材２ａと第２部材２ｂとで構成された筐体内に基板Ｋが設けられ、当該基板Ｋ上にスイッチ素子７９及びＬＥＤ（不図示）等が固定される。また、この基板Ｋには、検知部５、スピーカ６１及び電池（不図示）等が電気的に接続されている。   As shown in FIGS. 1, 2, and 4, the alarm body 2 includes, for example, a first member 2 a facing the indoor side (front side) and a second member 2 b facing the wall side (back side) during use. . A substrate K is provided in a housing constituted by the first member 2a and the second member 2b, and a switch element 79, an LED (not shown) and the like are fixed on the substrate K. Further, the detection unit 5, the speaker 61, a battery (not shown), and the like are electrically connected to the substrate K.

図４及び図５に示すように、第１部材２ａには、スイッチ素子７９を押圧するスイッチ部材７が設けられている。スイッチ部材７は、押圧操作用のボタン部７１と、スイッチ部材７１を第１部材２ａに取り付けるための取付片７２とが一体的に形成されたものである。取付片７２は、後述する流入部２１ａの外周方向に沿う形状で、ボタン部７１の上部両端側方に延出しており、取付片７２の略中央部に保護カバーへの固定用の孔部７２ａが設けられている。また、ボタン部７１の裏面中央部には、ボタン部７１の押圧又は引き紐９の引き操作に伴いスイッチ素子７９を押圧する押圧部７３が形成されている。   As shown in FIGS. 4 and 5, the first member 2 a is provided with a switch member 7 that presses the switch element 79. The switch member 7 is formed by integrally forming a button portion 71 for pressing operation and an attachment piece 72 for attaching the switch member 71 to the first member 2a. The attachment piece 72 has a shape along the outer peripheral direction of the inflow portion 21a described later, and extends to the both ends of the upper portion of the button portion 71. The attachment piece 72 has a hole 72a for fixing to the protective cover at a substantially central portion. Is provided. In addition, a pressing portion 73 that presses the switch element 79 with the pressing of the button portion 71 or the pulling operation of the pulling cord 9 is formed at the center of the back surface of the button portion 71.

また、図３、図５及び図６に示すように、スイッチ部材７には、ボタン部７１の裏面の側に当該ボタン部７１と略垂直に立設された立設部７４が形成されている。この立設部７４の先端の部分には、引き紐９の中途部を摺動自在に係止する係止部８が形成されている。本実施形態では、係止部８が鉤状の凹部７５である。この凹部７５は、スイッチ部材７の幅方向に開口するとともに、開口部から中途部までの開口幅が漸次狭くなる絞領域７５ａと、絞り部の最小開口幅よりやや広い開口幅を有し引き紐９を保持する保持領域７５ｂとを有するまた、絞領域７５ａと保持領域７５ｂとの間には段差７５ｃが設けられている。   As shown in FIGS. 3, 5, and 6, the switch member 7 is formed with a standing portion 74 that is erected substantially perpendicular to the button portion 71 on the back surface side of the button portion 71. . A locking portion 8 that slidably locks the middle portion of the drawstring 9 is formed at the tip of the standing portion 74. In the present embodiment, the locking portion 8 is a bowl-shaped recess 75. The recess 75 opens in the width direction of the switch member 7 and has a narrowed region 75a in which the opening width from the opening to the middle is gradually narrowed. 9 is provided between the aperture region 75a and the holding region 75b.

図１、図４及び図５に示すように、第１部材２ａには、検知対象が検知部５へ流入可能なように流入部２１ａが形成されるとともに、スピーカ６１の位置に対応して音響孔２１ｂが形成されている。
また、第１部材２ａには、流入部２１ａの下方にスイッチ部材７のボタン部７１が収容される開口部２２が形成されている。また第１部材２ａの内面側には、スイッチ部材７の固定用の孔部７２ａに挿通される突起部２１ｃが設けられている。 As shown in FIGS. 1, 4, and 5, the first member 2 a is formed with an inflow portion 21 a so that a detection target can flow into the detection portion 5, and sound corresponding to the position of the speaker 61. A hole 21b is formed.
Moreover, the opening part 22 in which the button part 71 of the switch member 7 is accommodated is formed in the 1st member 2a below the inflow part 21a. Further, on the inner surface side of the first member 2a, there is provided a protruding portion 21c that is inserted into the fixing hole 72a of the switch member 7.

図２に示すように、第２部材２ｂには、電池装着口が形成され、電池カバー２３ａで覆われている。さらに、警報器１を壁等に係止するための係止孔部２３ｂが設けられている。
また、図３及び図４に示すように、第２部材２ｂの下部には凹部２４が形成され、当該凹部２４の内部に第２部材２ｂに引き紐９の一端を固定する固定部３が形成されている。
本実施形態では、凹部２４の内部に壁部２５が立設され、当該壁部２５に引き紐９の一端部を挟持する溝部２５ａが形成されている。この溝部２５ａは、中途部の幅が先端部及び基端部の幅よりも狭く設定されている。
また、凹部２４の壁部２５よりも下方の部分に、係止部８が突出・引退する開口部２７が形成されている。 As shown in FIG. 2, the second member 2b has a battery mounting opening and is covered with a battery cover 23a. Furthermore, a locking hole 23b for locking the alarm device 1 to a wall or the like is provided.
As shown in FIGS. 3 and 4, a recess 24 is formed in the lower part of the second member 2b, and a fixing part 3 for fixing one end of the drawstring 9 to the second member 2b is formed in the recess 24. Has been.
In the present embodiment, a wall portion 25 is erected inside the recess 24, and a groove portion 25 a that sandwiches one end portion of the drawstring 9 is formed in the wall portion 25. The groove portion 25a is set such that the width of the midway portion is narrower than the widths of the distal end portion and the proximal end portion.
In addition, an opening 27 through which the locking portion 8 protrudes and retracts is formed in a portion below the wall portion 25 of the recess 24.

図４及び図５に示すように、スイッチ部材７は、第１部材２ａの開口部２２に、ボタン部７１を保護カバーの内面側から挿入し、さらに、スイッチ部材７の取付片７２に形成された孔部７２ａに第１部材２ａの内側に形成された突起部２１ｃを挿通して、第１部材２ａに取り付けられている。
また、スイッチ部材７が第１部材２ａに取り付けられた状態で、係止部８の一部が開口部２７から第２部材２ｂの外側面の側に露出している。 As shown in FIGS. 4 and 5, the switch member 7 is formed on the opening 22 of the first member 2 a by inserting the button portion 71 from the inner surface side of the protective cover, and is further formed on the mounting piece 72 of the switch member 7. The protruding portion 21c formed inside the first member 2a is inserted into the hole portion 72a and attached to the first member 2a.
Further, in a state where the switch member 7 is attached to the first member 2a, a part of the locking portion 8 is exposed from the opening 27 to the outer surface side of the second member 2b.

上述の構成により、スイッチ部材７は、取付片７２により弾性が付与され、突起部２１ｃを支点として、ボタン部７１によりスイッチ素子７９を押し操作することができる。また、スイッチ部材７の裏面に形成された係止部８が、開口部２７を通じて、第２部材２ｂの外側面の側への突出及び筐体の内部の側への引退が可能である。係止部８を突出させることにより、押圧部７３がスイッチ素子７９を押し操作する。   With the above-described configuration, the switch member 7 is given elasticity by the mounting piece 72, and the switch element 79 can be pushed and operated by the button portion 71 with the protruding portion 21 c as a fulcrum. Further, the locking portion 8 formed on the back surface of the switch member 7 can project through the opening 27 toward the outer side of the second member 2b and retract toward the inside of the housing. By causing the locking portion 8 to protrude, the pressing portion 73 pushes the switch element 79.

図３及び図４に示すように、引き紐９の一端部が、第２部材２ｂの下端部に位置する縁部２６を経て凹部２４の内部に入り込み、凹部２４の内部に立設された壁部２５に形成された溝部２５ａに挟持されている。引き紐９の一端部に例えば結び目９１等により他の部分よりも径が大きい部分を設け、下方への引っ張りに対する溝部２５ａからの抜け止めが図られている。また、上述のように溝部２５ａの中途部の幅が溝部２５ａの先端部及び基端部の幅よりも狭く設定され、溝部２５ａの延在方向における引き紐９の抜けが防止される。   As shown in FIGS. 3 and 4, one end of the drawstring 9 enters the interior of the recess 24 through the edge 26 located at the lower end of the second member 2b, and the wall is erected in the interior of the recess 24. It is sandwiched between groove portions 25 a formed in the portion 25. For example, a knot 91 or the like is provided at one end of the drawstring 9 so that the diameter of the drawstring 9 is larger than that of the other portions, thereby preventing the pulling-down string 9 from coming off from the groove 25a. Further, as described above, the width of the midway portion of the groove portion 25a is set to be narrower than the widths of the front end portion and the base end portion of the groove portion 25a, and the pull-out string 9 is prevented from coming off in the extending direction of the groove portion 25a.

また、図３、図４及び図６に示すように、引き紐９のうち案内部４と溝部２５ａとの間に位置する部位が、凹部７５に摺動自在に係止され、引き紐９のうちの当該部位が、案内部４及び溝部２５ａよりも第１部材２ａ側に位置して引き紐９が彎曲する。このとき引き紐９は、凹部７５の保持領域７５ｂに保持されることとなり、段差７５ｃにより係止が解除されるのを防止している。
引き紐９の他端部は、第２部材２ｂの下端部に位置する縁部２６を経てさらに下方に延在している。ここで、第２部材２ｂの縁部２６は、本発明の案内部４として機能する。 As shown in FIGS. 3, 4, and 6, a portion of the pull string 9 located between the guide portion 4 and the groove portion 25 a is slidably locked in the recess 75, and the pull string 9 The said site | part is located in the 1st member 2a side rather than the guide part 4 and the groove part 25a, and the drawstring 9 bends. At this time, the drawstring 9 is held in the holding region 75b of the recess 75, and the locking is prevented from being released by the step 75c.
The other end of the drawstring 9 extends further downward via an edge 26 located at the lower end of the second member 2b. Here, the edge part 26 of the 2nd member 2b functions as the guide part 4 of this invention.

なお、スイッチ部材７のボタン部７１を押圧していない状態では、凹部７５の大部分が開口部２７の内部側へ引退した状態となっている。このため、凹部７５に引き紐９を係止する場合は、ボタン部７１を押圧して凹部７５を突出させた状態で凹部７５に引き紐９を係止することにより、引き紐９を容易に係止することができるとともに、係止後は引き紐９の係止状態を確実に維持することができる。   In addition, in a state where the button portion 71 of the switch member 7 is not pressed, most of the concave portion 75 is in a state of being retracted to the inside of the opening portion 27. For this reason, when the pull string 9 is locked to the recess 75, the pull string 9 is easily locked by pressing the button portion 71 and locking the pull string 9 to the recess 75 with the recess 75 protruding. While being able to be locked, the locked state of the drawstring 9 can be reliably maintained after locking.

上述のように固定部３及び案内部４を第２部材２ｂの外側面に設け、当該外側面の側に係止部８を突出させることにより、同一面側において引き紐９の固定・案内・係止が行われることになる。このため、引き紐９の取り付け状態を容易に確認することができるので、引き紐９を確実に取り付けることができる。   As described above, the fixing portion 3 and the guide portion 4 are provided on the outer surface of the second member 2b, and the locking portion 8 is protruded on the outer surface side. Locking will be performed. For this reason, since the attachment state of the drawstring 9 can be confirmed easily, the drawstring 9 can be reliably attached.

ここで、溝部２５ａ・係止部８・縁部２６は、引き紐９の引き操作による引き紐９の張力の増加に基づき、係止部８を案溝部２５ａと縁部２６とを結ぶ直線上に近接させることでスイッチ部材７を操作するように配置されている。本実施形態では、図７（ａ）に示すように、係止部８が開口部２７の内側方向に引退して、固定部３と案内部４とを結ぶ直線よりも警報器１の前面側にオフセットして配置されている。
ここで、図７（ｂ）に示すように、引き紐９を引き操作すると、その張力の増加に伴い当該引き紐９のうち係止部８への被係止部位が壁面側に移動して、引き紐９が溝部２５ａと縁部２６とを結ぶ直線に近接した状態となる。これにともない、係止部８が後方に突出してボタン部７１が押圧状態となる。 Here, the groove portion 25 a, the locking portion 8, and the edge portion 26 are on a straight line that connects the locking portion 8 to the draft groove portion 25 a and the edge portion 26 based on an increase in the tension of the pulling cord 9 due to the pulling operation of the pulling cord 9. It arrange | positions so that the switch member 7 may be operated by making it adjoin to. In the present embodiment, as shown in FIG. 7A, the locking portion 8 is retracted in the inner direction of the opening 27, and the front side of the alarm device 1 from the straight line connecting the fixed portion 3 and the guide portion 4. It is arranged offset.
Here, as shown in FIG. 7B, when the pull string 9 is pulled, the portion to be locked to the locking portion 8 of the pull string 9 moves to the wall surface side as the tension increases. The drawstring 9 is in a state close to a straight line connecting the groove 25a and the edge 26. In connection with this, the latching | locking part 8 protrudes back and the button part 71 will be in a press state.

従来のように、スイッチ部材７に引き紐９を取り付けて、スイッチ部材７を移動させる構成では、操作者が実際に引き紐９を引く際の操作力がスイッチ部材７を移動させるための駆動力となる。
一方、本発明に係る警報器１では、引き紐９が係止部８による被係止部位及び案内部４による被案内部位で折り曲げられた状態になる。この状態で操作者が引き紐９を引くと、スイッチ部材７が、引き紐９のうち係止部８から案内部４の側の部位と、引き紐９のうち係止部８から固定部３の側の部位の２本の紐で引かれるのと同様になる。このため、操作者が引き紐９を引いた際に、係止部８から案内部４の側へ作用する作用力と、係止部８から固定部３の側へ作用する作用力との合力が、スイッチ部材７を駆動するための駆動力となる。従って、固定部３・係止部８・案内部４の位置関係を適切に設定することにより、直接スイッチ部材７に引き紐９を固定した場合と比較して引き紐９にかかる操作力を小さくすることができ、引き紐９の破断を防止することができる。 In a configuration in which the pull string 9 is attached to the switch member 7 and the switch member 7 is moved as in the prior art, the driving force for moving the switch member 7 by the operating force when the operator actually pulls the pull string 9 is used. It becomes.
On the other hand, in the alarm device 1 according to the present invention, the drawstring 9 is bent at the locked portion by the locking portion 8 and the guided portion by the guide portion 4. In this state, when the operator pulls the pull string 9, the switch member 7 moves from the locking portion 8 to the guide portion 4 side of the pull string 9, and from the locking portion 8 to the fixing portion 3 of the pull string 9. It is the same as being pulled by two strings on the side of the side. For this reason, when the operator pulls the drawstring 9, the resultant force of the acting force acting on the guide portion 4 side from the locking portion 8 and the acting force acting on the fixing portion 3 side from the locking portion 8 is obtained. However, this is a driving force for driving the switch member 7. Accordingly, by appropriately setting the positional relationship among the fixing portion 3, the locking portion 8, and the guide portion 4, the operating force applied to the pulling cord 9 can be made smaller than when the pulling cord 9 is directly fixed to the switch member 7. The pulling string 9 can be prevented from being broken.

なお、上述の実施形態では、電池式の警報器を例に説明したが、本発明に係る警報器は電池式に限られるものではない。例えば、家庭用電源・工業用電源などから電源を供給するコンセント式の警報器にも適用することができる。   In the above-described embodiment, the battery-type alarm device has been described as an example. However, the alarm device according to the present invention is not limited to the battery-type alarm device. For example, the present invention can be applied to an outlet-type alarm device that supplies power from a household power source, an industrial power source, or the like.

本発明は、例えば、火災警報器やガス警報器、空気汚れ警報器等の各種警報器などで、点検スイッチを操作する引き紐を備えた警報器に適用可能である。   The present invention is applicable to, for example, various alarm devices such as a fire alarm device, a gas alarm device, an air contamination alarm device, and the like, and an alarm device having a pull string for operating an inspection switch.

本発明に係る警報器の正面図及び側面図Front view and side view of alarm device according to the present invention 本発明に係る警報器の斜視図The perspective view of the alarm device which concerns on this invention 本発明に係る警報器の要部を示す図The figure which shows the principal part of the alarm device which concerns on this invention 本発明に係る警報器の断面図Sectional view of the alarm device according to the present invention スイッチ部材の詳細を示す図Diagram showing details of switch member スイッチ部材の係止部の詳細を示す図The figure which shows the detail of the latching | locking part of a switch member 警報器の動作を示す図Diagram showing the operation of the alarm

符号の説明Explanation of symbols

１ 警報器
２５ａ 溝部
２６ 縁部
３ 固定部
４ 案内部
５ 検知部
６ 警報部
７ スイッチ部材
７５ 凹部
８ 係止部
９ 引き紐 DESCRIPTION OF SYMBOLS 1 Alarm device 25a Groove part 26 Edge part 3 Fixing part 4 Guide part 5 Detection part 6 Alarm part 7 Switch member 75 Recessed part 8 Locking part 9 Pull cord

Claims (2)

検知対象を検知する検知部と、
前記検知部の検知結果に基づいて警報を発する警報部と、
前記検知部及び警報部を収納する筐体と、
押し操作あるいは引き紐による引き操作によって前記警報部の動作点検を行うスイッチ部材とを備えた警報器であって、
前記引き紐の一端部が、前記筐体のうち裏面側下端部に位置する縁部を経て、前記引き紐を挟持するよう前記筐体の裏面に形成した溝部に固定されると共に、前記引き紐のうち前記縁部と前記溝部との間に位置する部位が、前記スイッチ部材に設けた係止部に摺動自在に係止され、
前記溝部は、中途部の幅が先端部及び基端部の幅よりも狭く設定されており、
前記スイッチ部材の裏面側端部が、前記筐体の裏面に露出すると共に前記スイッチ部材の操作に伴って前記筐体の裏面に対して出退可能であり、当該裏面側端部に前記係止部を形成してあり、
前記引き紐の引き操作による前記引き紐の張力の増加に基づき、前記係止部を前記縁部と前記溝部とを結ぶ直線上に近接させることで前記スイッチ部材を操作するよう構成してある警報器。 A detection unit for detecting a detection target;
An alarm unit that issues an alarm based on a detection result of the detection unit;
A housing for housing the detection unit and the alarm unit;
An alarm device comprising a switch member that performs an operation check of the alarm unit by a push operation or a pull operation by a pull string,
One end of the pull string is fixed to a groove formed on the back surface of the casing so as to sandwich the pull string through an edge located at the lower end on the back side of the casing , and the pull string The part located between the edge part and the groove part is slidably locked to the locking part provided in the switch member,
The groove portion is set so that the width of the midway portion is narrower than the width of the distal end portion and the proximal end portion,
The back surface side end of the switch member is exposed on the back surface of the housing and can be moved out of and retracted from the back surface of the housing as the switch member is operated. Part is formed,
An alarm configured to operate the switch member by bringing the locking portion close to a straight line connecting the edge portion and the groove portion based on an increase in the tension of the pulling string due to the pulling operation of the pulling string. vessel. 前記係止部が鉤状の凹部である請求項１に記載の警報器。 The alarm device according to claim 1, wherein the locking portion is a bowl- shaped recess .
JP2007254657A 2007-09-28 2007-09-28 Alarm Expired - Fee Related JP4148981B1 (en)

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