JP3520715B2 - Blind device with security function - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blind device with a security function, and more particularly, to a doorway of an ATM such as a bank, a doorway of a store or a store, a show window or a house,
The present invention relates to a blind device with a security function that is preferably disposed in an opening of a window or an entrance of a villa or an office. A blind device of this type has been proposed in Japanese Patent Application No. 7-196117. The blind device according to this proposal is provided with detection means for electrically detecting slat destruction, and this detection means is arranged in parallel with each slat so that the slats juxtaposed in the opening can be disconnected by destruction. It has a conductive detection line provided and a connecting means for electrically connecting the detection lines arranged in parallel to each of the slats at the lateral end faces of the slats. [0003] According to the blind device having such a detecting means, it has been confirmed that the initial purpose can be achieved for the time being and the security function can be sufficiently exhibited. Even if the slats are destroyed, if the detection means, especially the connecting means themselves, are externally modified to prevent the slats from being detected, the security function itself can no longer be performed. It has been found that there is a danger that the meaning of the provision may be lost. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned points, and has as its object the provision of a security function so that it is not possible to modify the detection means intended to disable the detection function. It is to provide a blind device. [0005] According to the present invention, there is a possibility that external work on the connecting means may be performed through each gap between the vertical frame and the two lateral end faces of the slat. The present invention has been made in view of the fact that the intrusion of wind and rain can be prevented by closing the gap. In other words, according to the present invention, the object is to lift and lower a plurality of slats juxtaposed in an opening by an elevating device to open and close the opening.
In order to be able to be disconnected due to the destruction of the slat, the conductive detection line juxtaposed to the slat and the respective detection lines of two adjacent slats juxtaposed with the detection line are connected to each other at the lateral end face of the slat. A blind device with a security function having a connection means for electrically connecting and a detection means for electrically detecting the destruction of the slat, comprising: a vertical frame disposed at both ends of an opening; This is achieved by a blind device with a security function provided with a cover that covers at least the gaps between the two lateral end surfaces from the outside. In the present invention, each cover may be formed so as to cover at least each gap from the outside. Preferably, each cover is attached to a corresponding vertical frame so as to cover each gap from outside and inside. And a front cover and a rear cover connected to the cover main body. In this case, the front cover portion includes a base portion and a plate portion integrally formed on the base portion, and the rear cover portion includes a base portion and a curved plate portion integrally formed on the base portion. Each gap is formed by the front cover part,
The front cover portion is covered from the outside by the plate portion, and the curved plate portion covers the corresponding gap from the inside. Next, the present invention and its embodiments will be described in more detail with reference to preferred embodiments shown in the drawings. The present invention is not limited to these examples. 1 to 6, a blind device 1 with a security function according to this embodiment has an opening 4 defined by left and right vertical frames 2 and 3, an upper frame and a drain frame (not shown). A plurality of slats 5 arranged side by side are raised and lowered by a lifting device 6 to open and close the opening 4. The blind device 1 also includes detection means 7 for electrically detecting the destruction of the slats 5, and vertical frames 2 and 3 provided at both ends of the opening 4.
Covers 12 and 1 that cover the gaps 10 and 11 between the outer and inner sides of the slat 5 from the outer and inner sides, respectively.
3 and an upper decorative plate 14. The elevating device 6 is rotatably supported by the electric motor 21 supported by the vertical frame 2 and the vertical frames 2 and 3.
A transmission shaft 22 to which the rotation of the output rotation shaft of the electric motor 21 is transmitted, sprocket wheels 23 and 24 fixed to each end of the transmission shaft 22, and sprocket wheels 23 and 24
And are arranged in the vertical frames 2 and 3 and connected to the chains 25 and 26 and the chains 25 and 26, respectively, which are run by the rotation of the sprocket wheels 23 and 24, so that the chains 25 and 26 run. And a tilt mechanism for setting the slats 5 in the horizontal rotation position and the vertical rotation position, and the like. Each slat 5
Are attached via mounting members 29 and 30. Such a lifting device 6 is disclosed in Japanese Utility Model Laid-Open Publication No. 3-87793 or the like, and a detailed description thereof will be omitted. Each slat 5 has a portion 3 which is convex with respect to the front surface.
1 and a portion 32 that is convex with respect to the rear surface. The mounting portion 33 is fitted to the rear surface of both ends in the lateral direction of the convex portion 31. The reinforcing member 34 is attached through the intermediary. Attachment 33 and part 31 at both lateral ends 27 and 28 of each slat 5
, Fitting members 29 and 30 are fitted respectively. The detecting means 7 includes a conductive detecting line 41 arranged in parallel with the slat 5 and an adjacent two slats 5 in which the detecting line 41 is juxtaposed so that the slat 5 can be broken. Each of the detection lines 41 has a connection means 42 for electrically connecting the detection lines 41 to each other at the lateral end surfaces 8 and 9 of the slat 5. The detection line 41 includes a pair of a forward detection line 45 and a return detection line 46, and the reinforcing member 34 of each slat 5 is provided.
Is embedded in each. The outward detection line 45 of the lowermost slat 5 is used as a short-circuit line (connection line connecting the outward detection line 45 and the return detection line 46 at the end of the detection line 41). The connection means 42 comprises flexible connection detection lines 51 and 52 which can be broken by breaking the slats 5. The connection detection line 51 connects the forward detection line 45 and the return detection line 46 of two vertically adjacent slats 5 on the vertical frame 2 side, and the connection detection line 52 displays the vertical direction on the vertical frame 3 side. To electrically connect the forward detection line 45 and the return detection line 46 of two adjacent slats 5 to each other. Note that the connection detection lines 51 and 52 between the lowermost slat 5 and the slat 5 immediately before the lowermost slat 5 are the forward detection lines 4 of the lowermost slat 5.
5 or the return path detection line 46 is used as the short-circuit line, it is determined whether the forward path detection line 45 or the return path detection line 46 is electrically connected to each other.
The start end of the forward path detection line 45 on the side of the vertical frame 3 and the vertical frame 2 of the uppermost slat 5 and the terminal end of the return path detection line 46 are provided via leads 55 and 56, for example, for notification. It is designed to be connected to an electric circuit. Connection detection line 51
And 52 and the leads 55 and 56
Inside, it is electrically connected to the outward detection line 45 and the return detection line 46, respectively. The covers 12 and 13 are formed in the same manner, and the cover 12 will be described.
Cover body 7 attached to vertical frame 2 by screws 71 or the like
2 and a front and rear cover portion 73 and 74 connected to the cover body 72. Front cover 73
Has a base 78 fixed to the cover main body 72 via the insertion portions 75 and 76, and a hollow plate-like portion 79 formed integrally with the base 78. The shape of the hollow plate-like portion 79 has higher strength than other shapes, and is suitable as a front cover portion. The rear cover 74 includes a base 82 fixed to the cover main body 72 through the insertion portions 80 and 81, and a base 82.
And a curved plate-like portion 83 integrally formed with the second member. The shape of the curved plate is suitable for preventing the internal connection means 42 from being exposed. Similarly, the cover 13 includes a cover body 92 attached to the vertical frame 3 with screws 91 and the like, and front and rear cover parts 93 and 9 connected to the cover body 92.
4 is provided. The front cover portion 93 includes a base portion 98 fixed to the cover main body 92 via fitting portions 95 and 96.
And a hollow plate-shaped portion 99 formed integrally with the base portion 98. The rear cover 94 includes a base 102 fixed to the cover main body 92 via the insertion portions 100 and 101.
And a curved plate-like portion 103 formed integrally with the base 102
Is provided. The hollow plate portion 79 is extended so as to overlap the vertical frame 2 and one of the lateral ends 27 of the slat 5 by a predetermined amount or more, and covers the gap 10 from the outside. 99
Is extended so as to overlap the vertical frame 3 and the other lateral end 28 of the slat 5 by a predetermined amount or more, and covers the gap 11 from outside. The curved plate portion 83 covers the gap 10 and the curved plate portion 103 covers the gap 11 from the inside. Here, the certain amount is a length necessary to prevent invasion of wind and rain into the gaps 10 and 11 and to prevent electrical work on the connecting means 42 and the like. The upper decorative plate 14 is disposed above the opening 4 so as to be raised above the opening 4 and to cover the bundled slats 5. The upper decorative plate 14 is attached to the covers 12 and 13 at both ends by screws or the like. In the blind device 1 with the security function described above, for example, it is installed in a show window as an opening. The show window can be opened by ascending and bundling a large number of slats 5 by the elevating device 6 and overlapping them upward, and conversely, a number of slats 5 stacked and bundled and attached upwardly by the elevating device 6 The display window can be closed by releasing the overlap and lowering the display sequentially. In the closed state, the slats 5 are set to the horizontal rotation position (cord-like position) and the vertical rotation position (complete blindfold position) by the operation of the tilt mechanism. In the blind device 1, the slats 5
When destructive work such as cutting and bending is applied to the
The detection line 41 embedded in the reinforcing member 34 and juxtaposed to the line is also disconnected, whereby the electric circuit including the detection line 41 is disconnected, and the destruction of the slat 5 is warned and notified to a necessary place as necessary. It has become so. By the way, in the blind device 1, the gap 1
Since 0 and 11 are covered from the outside by the hollow plate portions 79 and 99, respectively, it is possible to perform electrical work on the connection means 42 through the gaps 10 and 11 at the completely blind position of the slat 5. Becomes difficult and therefore
After electrical work on the connection means 42 such that an alarm does not occur, it is possible to eliminate the situation in which the slat 5 is destroyed and enters the room through the opening 4. Since the gaps 10 and 11 are covered from the outside, intrusion of rainwater, wind and the like from the gaps 10 and 11 can be reduced preferably. Further, since the gaps 10 and 11 are also covered by the curved plate-like portions 83 and 103 from the inside, the connection means 42 and the like are not exposed inside, and disconnection of the connection means 42 and the like due to carelessness can be eliminated. In addition to being able to do it, it will be excellent in aesthetics. As described above, according to the present invention, when a slat is destroyed, it is reliably detected and an alarm is issued or a police or security company is notified. Can be. Further, the gap between the vertical frame disposed at both ends of the opening and both lateral end surfaces of the slats is covered by the front cover portion composed of the base portion and the plate-shaped portion. Is difficult. Furthermore, by covering the gap from the inside with the rear cover part, exposure of the connection means,
Disconnection can be prevented, and the appearance is excellent.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a preferred embodiment of the present invention. FIG. 2 is a plan sectional view of the embodiment shown in FIG. 1; FIG. 3 is an enlarged perspective view of a slat and the like shown in FIG. 1; FIG. 4 is an explanatory diagram of a detecting means of the embodiment shown in FIG. FIG. 5 is an explanatory perspective view of a left vertical frame and a cover shown in FIG. 1; FIG. 6 is an explanatory perspective view of a right vertical frame and a cover shown in FIG. 1; [Description of Signs] 1 Blind device with security function 2, 3 Vertical frame 4 Opening 5 Slat 6 Lifting device 7 Detecting means 12, 13 Cover 41 Detecting wire 42 Connecting means

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Mamoru Oishi 1-32 Shiba-Daimon, Minato-ku, Tokyo Oiles Industry Co., Ltd. (72) Inventor Tetsuya Hiratsuka, Inventor Tetsuya Hiratsuka 1118, Iwate, Ritto-cho, Kurita-gun, Shiga Pref. Oiles Industry Co., Ltd. Shiga Plant (56) References JP-A-9-21278 (JP, A) -13932 (JP, A) JP-A-10-266738 (JP, A) JP-A-6-8694 (JP, U) Registered utility model 3033730 (JP, U) (58) Fields investigated (Int. Cl. ⁷⁾ G08B 13/00-15/02 E06B 9/02

Claims (1)

(57) [Claim 1] A plurality of slats juxtaposed in an opening are moved up and down by an elevating device to open and close the opening, and the slat may be broken by breaking. As described above, the connection means for electrically connecting the conductive detection lines juxtaposed to the slats and the respective detection lines of the two adjacent slats juxtaposed with the detection lines at the lateral end faces of the slats A blind device with a security function comprising a detecting means for electrically detecting the destruction of the slat, wherein the blind device with a security function is provided between a vertical frame disposed at both ends of the opening and both lateral end surfaces of the slat. Ca Ri Na with a cover for covering the gaps from the outer and inner cover is attached to the vertical frame of the corresponding
Bar body and front and rear surfaces connected to this cover body
Cover part, and the front cover part
A base fixed to the body via the insertion part, and integrated with this base
And a hollow plate-shaped part formed in
The base part is a base part fixed to the cover body via a fitting part.
And a curved plate-shaped portion formed integrally with the base.
Each gap is from the outside of the corresponding front cover part from the outside
The hollow plate-shaped part allows the bay of the corresponding rear cover from the inside
Blind device with security function covered by curved plate-shaped parts .