JP2006283351A - Alarm device for shutter, and shutter case with alarm device for shutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an alarm device mounted into a shutter case, easily mountable into the shutter case without specially requiring a mounting tool and protecting an alarm buzzer from rainwater or the like, and to provide the shutter case structured to sufficiently secure the sound volume of the alarm buzzer to transmit it to the outside. <P>SOLUTION: The alarm device provided in the shutter case comprises the alarm buzzer and a mounting member for mounting the alarm buzzer. The mounting member is structured to have a hook section hooked into the shutter case, and a rainwater protective wall for protecting the alarm buzzer from the rain water. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a structure of an alarm device attached to a shutter case in a shutter and a shutter case provided with the alarm device.

When attaching an alarm device 70 comprising an alarm buzzer 71 and a mounting member 72 in the shutter case 78 for the purpose of threat, crime prevention, etc., a horizontal member at the lower part in the shutter case 78 as shown in FIG. A method of fixing the mounting member to the lower lintel 75 with a screw 74 has been known. However, in this fixing method, since the attachment member 72 is fixed to the lower lintel with the screw 74, the attachment is not easy, which hinders maintenance in the shutter case 78. Further, the sound volume is attenuated by being close to the front cover 76 of the shutter case 78, and the alarm buzzer 71 and an opening 77 (hereinafter referred to as a lintel opening) located under the shutter case through which the shutter slat passes. In the meantime, since the bracket 73 of the mounting member 72 of the alarm device 70 is disposed to block the alarm sound, there is a problem that the alarm sound is not sufficiently transmitted to the outside.

In addition, in order to prevent the alarm buzzer 71 from rainwater that has entered with the shutter slats involved, a cover for protecting the alarm buzzer 71 must be installed separately from the mounting member 72 or a waterproof alarm device must be used. For this reason, there have been problems such as a large shutter case and a high cost in order to secure a space for mounting.

The present invention is an alarm device that can be installed in a shutter case, does not require any special installation tool, can be easily installed in the shutter case, and can prevent an alarm buzzer from rainwater or the like. Another object of the present invention is to provide a shutter case having a structure that can sufficiently ensure the volume of the alarm buzzer and can be transmitted to the outside.

The technical means adopted by the present invention in order to achieve such a problem is an alarm device provided in a shutter case, the alarm device comprising an alarm buzzer and an attachment member for attaching the alarm buzzer, The attachment member is an alarm device having a hook portion to be hooked in the shutter case and a rainwater barrier wall for preventing the alarm buzzer from rainwater.

In one preferable aspect, the hook portion has a substantially U-shaped portion including a tip end piece, an upper piece, and a support piece.

In one preferred embodiment, the rainwater barrier wall is provided between the alarm buzzer and the winding shaft in the shutter case, and an opening located below the alarm buzzer and below the shutter case through which the shutter slat passes. With a warning device, a space for the warning buzzer to pass through is formed between the first and second parts, and the warning device according to any one of the above is attached in a shutter case. It is a shutter case.

According to claim 1 of the present invention, the alarm device is provided in the shutter case, and the alarm device includes an alarm buzzer and an attachment member for attaching the alarm buzzer, and the attachment member is provided in the shutter case. Since it has a hook part to be hooked on and a rainwater defense wall that prevents the alarm buzzer from rainwater, there is no need for a special mounting tool when installing the alarm device, and the alarm device can be easily installed. In addition, even if the alarm buzzer is not waterproof, the alarm buzzer can be protected from rainwater intrusion. According to a second aspect of the present invention, the structure for providing the hook portion of the mounting member in the shutter case is a substantially U-shaped portion including a tip end piece, an upper piece, and a support piece. It is not necessary to fix to a horizontal member in the shutter case with a screw or a screw, and the cost can be reduced. Also, since the attachment and removal are easy, the maintenance can be facilitated.

Furthermore, in claim 3, the rainwater barrier is provided between the alarm buzzer and the winding shaft in the shutter case, and is located below the alarm buzzer and below the shutter case through which the shutter slat passes. A space for allowing the alarm sound of the alarm buzzer to pass is formed between the opening and the opening, and the alarm device according to any one of claims 1 and 2 is attached to the shutter case. Therefore, even if rainwater attached to the shutter slat surface enters the shutter case, the rainwater barrier can block the rainwater and protect the alarm buzzer from rainwater. In addition, since the alarm device is mounted in the shutter case, the alarm sound is sufficiently transmitted to the outside because the bracket of the mounting member that blocks the alarm sound is not arranged on the lower side of the alarm buzzer. Even a low-volume alarm buzzer can function as an alarm device.

FIG. 2 is a front view of the shutter device 1 to which the attachment member of the alarm device according to the present invention is attached. The shutter device 1 is composed of a plurality of horizontally long plate materials, and is configured by a shutter slat 6 having a connecting means (not shown) for rotatably connecting the plate materials, and moves up and down the opening. A shutter curtain 2 that opens and closes the opening, a guide rail 3 that stands on the left and right of the opening and guides the left and right ends of the shutter curtain 2, and the shutter curtain 2 is suspended to wind up the shutter curtain 2. And a shutter case 5 for storing the shutter curtain 2 wound around the winding shaft 4 when the opening is fully opened, and a pair of sides positioned on the side of the shutter case for supporting the winding shaft 4 It consists of a bracket 7 and a seat plate 8 located at the lower part of the shutter curtain 2.

FIG. 3 is a longitudinal sectional view of the shutter case 5. The shutter case 5 houses a shutter curtain 2, a driving means (not shown) such as an opening / closing device for moving the shutter curtain 2 up and down, a transmission means (not shown) such as a chain and a sprocket, and the like. The main purpose is to protect them from the external environment such as rainwater. The shutter case 5 supports external loads such as wind pressure and the weight of the shutter shutter 2, drive means, transmission means and other parts of the previous period, and a plurality of cross members that are strength materials for maintaining the shape of the entire shutter case. 10, a case plate 20 for shielding the outside and the inside of the shutter case 5 to protect the drive means and the transmission means from rainwater, and the like, and is a passage opening for the shutter slat 6 located under the shutter case 5. A lintel opening 25 that defines the upper limit position of the plate 8 is provided.

Both ends of the cross member 10 are supported by a pair of side brackets 7, located on the upper front side of the shutter case 5, the front side of the upper case plate 21 positioned on the upper side of the shutter case 5, and the shutter case 5. An upper front side member 11 that supports the upper side of the front case plate 22 located in front of the upper case plate, and an upper case side member 12 that is located on the upper case side of the shutter case 5 and supports the case side of the upper case plate 21. And a lower front side member 13 which is located at the lower front side of the shutter case 5 and supports the lower side of the front case plate 22 and the front side of the front side lower case plate 23 located at the lower front side of the shutter case 5. And a lower casing side cross member 14 which is located on the lower casing side of the shutter case 5 and supports the casing side of the lower casing side case plate 24 positioned on the lower casing side. The upper case plate 21 is fixed to the upper front side member 11 with several screws. Accordingly, the unscrewed portion on the front side of the upper case 21 is located between the upper case plate 21 and the upper front side member 11 when the upper case 21 is pushed from the inside of the shutter case 5. The hook portion 45 has a structure that can secure a space where the hook portion 45 can be hooked on the upper front cross member 11. The shape of the cross member 10 may be any shape that can support the weight and wind pressure load of the shutter case 5 and the components, but is preferably substantially U-shaped because it is easy to manufacture and does not cost.

FIG. 4 shows a front view and a side view of the alarm device 30 according to the present invention. The alarm device 30 includes an alarm buzzer 31 and an attachment member 40 for attaching the alarm buzzer 31. The alarm buzzer 31 may have waterproofness, but may not have waterproofness. good. The alarm buzzer 31 includes a buzzer body 32 for generating an alarm sound and a cable member 33 for supplying power to the buzzer body 32. An alarm sensor (not shown) attached to the shutter device prevents intrusion of a suspicious person or the like. If detected, power is supplied through the cable member 33 and an alarm sound is generated. The alarm buzzer 31 is fixed to the fixing portion 41 of the attachment member 40 with a screw 34 through an attachment hole 44 formed in the approximate center of the fixing portion 41 of the attachment member 40 described later.

FIG. 5 shows a front view, a side view, a top view, and a bottom view of the mounting member 40. The mounting member 40 is formed by bending a 1.2 mm steel material, and a fixing portion 41 to which the alarm buzzer 31 is attached, and an upper end portion of the fixing portion for hooking on the horizontal member 10 in the shutter case. And a pair of vertical surface portions 42 bent respectively on the alarm buzzer 31 side attached to the fixing portion 41 in order to prevent the alarm buzzer 31 from rainwater and the like. The fixing portion 41 and the pair of vertical surface portions 42 correspond to the rainwater defense wall 43 in the present invention. Further, an attachment hole 44 for attaching the alarm buzzer 31 is formed in the approximate center of the fixing portion 41. In the embodiment, the steel material of 1.2 mm is bent and formed, but it may be formed by bending a non-ferrous metal such as aluminum, or formed by molding with aluminum or resin. The alarm buzzer 31 has the opposite surface of the alarm sound output surface 35 opposed to the fixed portion 41 through the mounting hole 44 formed in the approximate center of the fixed portion 41 of the mounting member 40, and a pair of vertical surface portions of the fixed portion 41. 42 is fixed to the surface 41a on the bent side by a screw 34.

Since the alarm buzzer 31 is fixed to the attachment member 40 so as to be covered by the fixing portion 41 and the pair of vertical surface portions 42 of the attachment member 40, the alarm device 30 is attached to the alarm buzzer 31 and the winding shaft 4 in the shutter case 5. Is attached to the shutter case 5 so that the rainwater barrier wall 43 is disposed between the surface 41b and the surface 41b of the mounting member 40 opposite to the surface 41a to which the alarm buzzer 31 is fixed. In addition, the rainwater defense wall 43 including the mounting member 40 and the pair of vertical surface portions 42 can block the rainwater and protect the alarm buzzer 31 from the rainwater. The pair of vertical surface portions 42 are formed by bending one end portion of the fixing portion 41 when the alarm device 30 is attached to the vicinity of the side bracket of the shutter case 5 and the direction of rainwater is limited. But you can. A cable fixing hole 49 for fixing the cable member 33 is formed in one lower part of the pair of vertical surface portions 42, and the cable member 33 can be fixed by a binding band or the like.

The hook portion 45 has a substantially U-shaped portion including a tip piece 46, an upper piece 47, and a support piece 48, and the tip piece 46 is supported on one end side of the upper piece 47. The other end of the upper piece 47 is supported by a support piece 48, and the support piece 48 is a part of the fixed portion 41 and is located at the upper edge portion. Since the inner dimension of the tip end piece 46 and the support piece 48 in the expected cross-sectional direction of the hook portion 45 is set to be larger than the expected size of the lateral member 10 that hooks the hook portion 45, the alarm device 30 is connected to the shutter case. Since it can be hooked and fixed to the horizontal member 10 in 5, it is not necessary to fix to the horizontal member 10 with a rivet or a screw, and attachment and removal are easy.

FIG. 6 shows a mode in which the alarm device 30 is fixed to the cross member 10 in the shutter case 5. The alarm device 30 is connected to the alarm buzzer 31 so that the alarm sound output surface 35 of the alarm buzzer 31 attached to the alarm device 30 faces the front case plate 22 in front of the shutter case and the alarm sound is not attenuated. A shutter case is formed so that a second space 27 is formed between the front case plate 22 and the rainwater barrier wall 43 is provided between the alarm buzzer 31 and the winding shaft 4 in the shutter case. 5 is fixed to the shutter case 5 by being hooked to the upper front lateral member 11 located on the front side of the take-up shaft 4 within. Since the upper case plate 21 is fixed to the upper front cross member 11 with several screws, a portion of the front side of the upper case 21 that is not screwed is pushed from the inner side of the shutter case 5 so that the upper case plate 21 If the plate 21 is slightly deformed, a space can be secured between the upper case plate 21 and the upper front side member 11, and the hook portion 45 of the alarm device 30 can be hooked on the upper front side member 11. The alarm sound output surface of the alarm buzzer 31 faces the front case plate 22, and the second space 27 is also formed between the alarm buzzer 31 and the front case plate 22 so that the alarm sound is not attenuated. Therefore, the alarm sound is easily transmitted to the outside, and the original sound volume of the alarm buzzer can be secured. A fixing portion 41 of the mounting member 40 is located between the alarm buzzer 31 and the shutter slat 6 wound around the winding shaft 4, and the pair of vertical surface portions 42 cover the alarm buzzer 31. Therefore, the fixing portion 41 and the pair of vertical members 42 can block rainwater and protect the alarm buzzer 31 from rainwater. Further, an alarm sound of the alarm buzzer 31 passes between the lower side of the alarm buzzer 31 attached to the alarm device 30 and the lintel opening 25 located at the lower part of the shutter case through which the shutter slat 6 passes. A space portion 26 is provided. Therefore, a member such as a bracket that blocks the sound of the alarm buzzer 31 as in the conventional example is provided between the lower side of the alarm buzzer 31 and the lintel opening 25 located at the lower part of the shutter case through which the shutter slat 6 passes. Therefore, the alarm sound of the alarm buzzer 31 can pass through the lintel opening 25 and reach the outside. When the alarm sound output surface 35 faces downward, the second space 27 does not need to be formed, and the shutter through which the shutter slat 6 passes from below the alarm buzzer 31 attached to the alarm device 30. A space 26 for passing an alarm sound of the alarm buzzer 31 may be provided between the lintel opening 25 located at the lower part of the case.

FIG. 7 shows another embodiment of the attachment member 40. In FIG. 7, since the structure of the fixing | fixed part 41 and a pair of vertical surface part 42 is the same as embodiment mentioned above, detailed description is abbreviate | omitted. Also, the same numbers are assigned to the same components throughout the specification. In another embodiment, the hook portion 53 includes a tip end piece 55, an upper piece 56, and a support piece 57. The support piece 57 includes a support vertical piece 58 that supports one end of the upper piece 56, and a fixed portion. 41 is a substantially L-shape comprising a supporting horizontal piece 59 supported by the upper edge of 41. The tip piece 55 is supported on the other end side of the upper piece 56. The expected cross-sectional dimension of the upper piece 56, that is, the inner dimension of the tip piece 55 and the support vertical piece 58 is set to be larger than the expected dimension of the lateral member 10 that hooks the hook portion 53. The tip piece 55 is formed with an acute angle smaller than a right angle between the tip piece 55 and the upper piece 56, and the length of the tip piece 55 is formed in a U-shape to which the alarm device 30 is engaged. It is slightly longer than the plate thickness of the transverse member 10, and the dimension from the support point of the upper piece 56 and the support vertical piece 58 to the tip of the tip piece 55 is the U-shape for hooking the hook part 53. It is set to be slightly smaller than the expected dimension of the lateral member 10 formed in the above. The estimated sectional dimension of the vertical support piece 58, that is, the inner dimension of the upper piece 56 and the horizontal support piece 58 is larger than the dimension of the transverse member 10 formed in the U-shape for hooking the hook portion 53. It is set large. Therefore, since the alarm device 30 can be hooked and fixed to the horizontal member 10 in the shutter case, it is not necessary to fix the alarm device 30 to the horizontal member 10 with a rivet, a screw or the like, and attachment and removal are easy. Further, the tip end piece 55 has an acute angle smaller than a right angle between the tip end piece 55 and the upper piece 56, and the length of the tip end piece 55 is formed in a U-shape to which the alarm device 30 is engaged. The length from the support point of the upper piece 56 and the support vertical piece 58 to the tip of the tip piece 55 is slightly longer than the plate thickness of the transverse member 10 and the U-shape is hooked to the hook part 53. Is set so as to be slightly smaller than the expected size of the horizontal member 10 formed in the above, so that the alarm device 30 attached to the horizontal member 10 in the shutter case does not easily come off the horizontal member 10. It has become. If the length of the tip piece 55 is sufficiently long, the angle formed by the tip piece 55 and the upper piece 56 may be substantially a right angle.

The present invention can be used for an alarm device provided in a shutter case of a shutter device.

This is a conventional alarm device provided in a shutter case of the shutter device. It is the schematic of the whole shutter apparatus. It is a longitudinal cross-sectional view of the shutter case provided in the shutter apparatus upper part. It is the alarm device which concerns on this invention, Comprising: The front view and the side view are shown. The front view, side view, top view, and bottom view of the attachment member which is a part of the alarm device according to the present invention are shown. The alarm device based on this invention shows the longitudinal cross-sectional view of the shutter case hooked and fixed in the shutter case. The front view, side view, top view, and bottom view of the attachment member of the other Example which is a part of alarm device which concerns on this invention are shown. The alarm device by the attachment member of the other Example which is a part of alarm device based on this invention shows the longitudinal cross-sectional view of the shutter case hooked and fixed in the shutter case.

Explanation of symbols

5 Shutter case 25 Opening located in the shutter case (lintel opening)
26 Space 30 for alarm buzzer sound 30 Alarm device 31 Alarm buzzer 35 Alarm sound output surface 40 Mounting member 41 Fixed portion 42 Vertical surface portion 45 Hook portion 46 Tip piece 47 Upper piece 48 Support piece 55 Tip piece 56 Upper part Piece 57 support piece

Claims (3)

An alarm device provided in a shutter case, the alarm device comprising an alarm buzzer and an attachment member for attaching the alarm buzzer;
The mounting member includes a hook portion to be hooked in the shutter case;
An alarm device comprising a rainwater defense wall for preventing an alarm buzzer from rainwater. 2. The alarm device according to claim 1, wherein the hook portion includes a substantially U-shaped portion including a tip end piece, an upper piece, and a support piece. Between the alarm buzzer and the wind-up shaft in the shutter case, the rainwater barrier wall is provided, and between the lower side of the alarm buzzer and the opening located under the shutter case through which the shutter slat passes. A space for the alarm buzzer to pass through is formed, and the alarm device according to any one of claims 1 and 2 is attached in a shutter case. Shutter case with alarm device.

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