JP3610647B2 - Shutter locking device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a shutter locking device that is provided in a shutter curtain such as a grille shutter in which a pipe-like member is used as a shutter member, and performs locking when the shutter curtain is closed.
[0002]
[Prior art]
In general, as shown in FIG. 12, the locking device provided in the shutter device is disposed on a slat that is easy to operate for a person having a substantially strip-shaped slat 101 that is connected in the vertical direction constituting the slat curtain 100. In addition, a key hole 102 is disposed at a position located approximately in the middle of the slat 101 in the width direction, and the engagement piece 103 protrudes from both ends of the slat 101 by the operation of the key hole 102. These engagement pieces 103 are engaged with engagement recesses 105 in the guide rails 104 that guide the raising and lowering of the slat curtain 100, whereby the slat curtain 100 is locked.
[0003]
[Problems to be solved by the invention]
However, since the conventional locking device described above has a structure that is disposed on the substantially strip-shaped slat 101, the mechanism portion is concealed by the plate surface of the slat 101. In the case of a shutter member constituted by a transparent panel plate, that is, in a shutter member constituting a see-through shutter, since the plate surface is transparent, there is a problem in crime prevention because the internal mechanism portion can be seen. There is a problem that light transmission, which is a feature of the shutter member, is blocked.
[0004]
In order to solve the above problem, as shown in FIG. 13, the bottom slat 106 serving as a seat plate located at the lowermost part of the shutter curtain 100 is an opaque strip-like member. Although there is a structure arranged on the rat 106, the position of the key hole 102 when closed is close to the floor surface, so that it bends during operation, so that the locking operation becomes complicated, and in particular, in rainy weather, the operator's clothes may be soiled There is a problem.
[0005]
Further, in the case of the grill shutter 100 having the shutter member 107 formed in a pipe shape, the conventional locking device cannot be applied because the shutter member 107 is not formed in a plate shape like the above-described slats and panel plates. Therefore, as shown in FIG. 14, locking mechanism portions configured individually are arranged at both end portions of the pipe-shaped shutter member 107 so as to be close to the left and right guide rails 104, and a pair of right and left forms a locking device. However, since the cylinder locks 102 are provided on the left and right sides, and the engagement pieces of each part are protruded by each operation, the locking operation becomes very complicated when the shutter width is increased. there were.
[0006]
Therefore, in order to solve the above problems, the present invention is provided in a shutter composed of a shutter member made of a transparent panel plate or a pipe-like member, and has a simple structure and can perform a locking operation with an easy operation. And it aims at providing the locking device for shutters which can perform reliable locking.
[0007]
[Means for Solving the Problems]
Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
The shutter locking device 1 according to the present invention is guided at both ends by each of a pair of opposed guide rails 35 and along the longitudinal direction of each guide rail 35.At a given pitchMultiple connected longMade of hollow pipeConsists of shutter member 33Grill shutterIn the shutter locking device provided in the shutter curtain 32,
AboveA pair of adjacentOf the shutter member 33Between the pitchesArranged at one end of both ends in the longitudinal directionIn case 2Cylinder lock 7;
The shutter member 33 is disposed at one end portion 33 a of the shutter member 33, and interlocks with the rotation of the cylinder lock 7 by the key 10 inserted into the cylinder lock 7, along the longitudinal direction of the shutter member 33. One engaging piece 11 that advances and retreats with respect to one end 33a,
AboveA pair of adjacentOf the shutter member 33Between the pitchesArranged at the other end 33b.Provided in case 3The other engaging piece 22 which is movable forward and backward with respect to the other end 33b along the longitudinal direction of the shutter member 33;
AboveIn case 3A biasing member 25 coupled to the other engagement piece 22 and biasing the other engagement piece 22 in a direction to advance with respect to the other end portion 33b;
The shutter member 33 is slidably disposed in the hollow portion 33c, one end 26a is connected to the cylinder lock 7, the other end 26b is connected to the other engagement piece 22, and the cylinder lock 7 A slender connecting body 26 linked to the rotation of
Engaging portions 36 that are disposed on the respective guide rails 35 so as to face each other and engage with the respective engaging pieces 11, 22;
It is characterized by comprising.
The shutter member 33 that constitutes the shutter curtain 32 and in which the connecting long body 26 is disposed is a hollow pipe having a substantially C-shaped cross section in which a slit 37 is continuously formed in the longitudinal direction. It is good also as a structure where 37 is obstruct | occluded by the packing material 38. FIG.
Further, the case 2 of the cylinder lock 7 and the case 3 of the engagement piece 22 are rotatably connected to the pair of adjacent shutter members 33 and the movement of the shutter member 33 in the longitudinal direction is restricted. A structure may be adopted in which a part of both the cases 2 and 3 is inserted into the guide rail 35.
[0008]
The shutter member 33 constituting the shutter curtain 32 may be a hollow pipe, and the connecting long body 26 may be slidably disposed in the hollow portion 33c of the shutter member 33. The shutter member 33 constituting the shutter curtain 32 is constituted by a transparent panel plate 41 having a cross section 42 connected to another shutter member 33, and the connecting long body 26 is disposed in the hollow section 42 of the shutter member 33. It is good also as a structure arrange | positioned so that sliding is possible.
[0009]
With the above configuration, when the shutter curtain 32 is locked, by rotating the cylinder lock 7 with the key 10, one engagement piece 11 is interlocked to advance along the longitudinal direction of the shutter member 33, At the same time, the connecting long body 26 slides in conjunction with the rotation of the cylinder lock 7 to advance the other engagement piece 22.
Thereby, both the engagement pieces 11 and 22 are engaged with the engagement portion 36 in the guide rail 35 to be locked.
[0010]
When unlocking, the key 10 is used to rotate the cylinder lock 7 in the direction opposite to the above, thereby retracting one engaging piece 11 and simultaneously pulling the connecting long body 26 to the other. The engaging piece 22 is retracted and unlocked.
An urging member 25 is connected to the other engagement piece 22, and the other engagement piece 22 is urged to always advance with respect to the other end 33 b of the shutter member 33. .
[0011]
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 is a front view of a shutter provided with a shutter locking device according to the present invention, FIG. 2 is a partially cut front view showing an embodiment of the shutter locking device, and FIGS. 3 and 4 show the operation of the locking device. FIG.
[0012]
First, the grill shutter 30 provided with the shutter locking device 1 of the present invention will be described.
As shown in FIG. 1, the grill shutter 30 has a shutter case 31 provided horizontally on the upper edge of a building opening or the like, and a winding shaft (not shown) provided rotatably in the shutter case 31. The shutter curtain 32 is connected to a plurality of shutter members 33 made of long rod-like members such as hollow pipes by links 34 so that each has a predetermined pitch. It has a structure.
[0013]
Then, both end portions 33a and 33b of the shutter member 33 are inserted into a pair of opposed left and right guide rails 35 connected to the lower edge of the shutter case 31, and the movement in the vertical direction is guided. As the curtain 32 is wound up and rewound, the shutter curtain 32 is raised and lowered, that is, opened and closed.
[0014]
Further, as shown in FIG. 2, each engagement piece of the locking device 1 to be described later is provided on a vertical bottom surface portion 35a located at the back of each guide rail 35 that supports both ends of the shutter curtain 32 and guides the elevation. A plurality of engaging portions 36 that are engaged with 11 and 22 are continuously provided in a comb shape.
[0015]
Now, as shown in FIGS. 1 and 2, the shutter locking device 1 provided in the grill shutter 30 having the above-described configuration has a height that makes it easy to operate each of the shutter members 33 connected in the vertical direction. Arranged in position.
[0016]
As shown in FIG. 2, the locking device 1 has a pair of cases 2 and 3, and these cases 2 and 3 are disposed at both left and right ends 33 a and 33 b of a pair of shutter members 33 adjacent to each other vertically. Each case 2, 3, cylinder lock 7, a pair of engagement pieces 11, 22, and a connecting long body 26 are roughly configured.
[0017]
First, one case 2 disposed at one end 33a at both ends in the longitudinal direction of the shutter member 33 is formed in a rectangular box shape, and the end 33a of the shutter member 33 is connected to the upper and lower edges, respectively. Yes.
[0018]
The connection state of the case 2 and the shutter member 33 is rotatable, and the movement is restricted in the longitudinal direction of the shutter member 33 which is the left-right width direction, and a part of the case 2 is It is in a state of being inserted into the guide rail 35.
[0019]
Further, as shown in FIG. 3, the one case 2 has a through hole 4 formed so as to penetrate through the front and back surfaces, and is directed outward from the end portion 33 a of the shutter member 33. A through hole 5 is formed in an end surface located in the guide rail 35.
[0020]
Further, the other case 3 disposed at the other end portion 33b in the longitudinal direction of the shutter member 33 is formed in a rectangular box shape like the one case 2, and the other case member of the shutter member 33 is formed at the upper and lower edges. The end portion 33 b is connected and a part of the case 3 is inserted into the guide rail 35, and the through hole 6 is formed on the outer end surface located in the guide rail 35.
[0021]
Next, the cylinder lock 7 is a lock having key holes 8 at both ends, and is disposed in the one case 2. The key holes 8 at both ends are located in the through holes 4 formed in the one case 2. The case 2 is exposed on both front and back outer surfaces.
[0022]
The cylinder lock 7 is provided with a gear 9.
As shown in FIG. 3, the gear 9 is formed such that the shape of the teeth 9 a is not a wedge shape with a sharp tip but an expanded substantially octagonal shape, and in the present embodiment, the teeth 9 a are composed of four teeth 9 a. Thus, the cylinder lock 7 is rotated in conjunction with the rotation by the key 10.
[0023]
Next, one engagement piece 11 of the pair of engagement pieces is disposed in one case 2.
The one engagement piece 11 is composed of an engagement piece main body 12, a rack plate 16, and a coil spring 19.
[0024]
The engagement piece main body 12 is made of a strip-shaped plate member, an engagement claw 13 is formed at the distal end in the longitudinal direction, and a slide rod 14 is extended at the proximal end. A rectangular sliding hole 15 is formed in the part.
[0025]
Further, the rack plate 16 is formed of a strip rectangular plate member, and a substantially rectangular rack tooth 16a is formed on one edge along the longitudinal direction as shown in FIG.
Further, a regulation claw 17 is bent at one end in the longitudinal direction of the rack plate 16 perpendicularly to the plate surface, and a stopper plate 18 having a through hole at the center is formed on the plate surface at the other end in the longitudinal direction. It is bent so as to be perpendicular to it.
[0026]
Further, the coil spring 19 is formed of a compression coil spring and is wound around the slide rod 14 of the engagement piece main body 12.
[0027]
In a state where the coil spring 19 is wound around the slide rod 14, the slide rod 14 penetrates the stopper plate 18 of the rack plate 16, and the restriction claw 17 is inserted into the slide hole 15 of the engagement piece main body 12. Thus, the engagement piece main body 12 and the rack plate 16 are in a superposed state, and the engagement piece main body 12 is slidable in the longitudinal direction within the range of the sliding hole 15. The case 2 can be slid in the horizontal direction.
[0028]
The one engaging piece 11 is engaged with the teeth 9a and 16a of the rack plate 16 and the gear 9 linked to the cylinder lock 7, and the rotation of the gear 9 causes one case 2 to rotate. While sliding inside, the engaging claw 13 of the front-end | tip protrudes from the through-hole 5 of one case 2, and it advances / retreats with respect to this case 2. As shown in FIG.
In the present embodiment, the one engaging piece 11 is located in the lower part of the case 2 and is movable along the lower edge of the case 2.
[0029]
Further, an interlocking rack plate 20 is disposed in the one case 2.
The interlocking rack plate 20 is substantially the same shape as the rack plate 16 constituting the engaging piece 11, is formed in a strip plate shape, and at one edge along the longitudinal direction, as shown in FIG. A substantially rectangular rack tooth 20a is formed.
[0030]
The interlocking rack plate 20 is located at the upper part of the case 2 with the gear 9 being sandwiched with respect to the engaging piece 11 and is slidable along the upper edge of the case 2 to be engaged with the gear 9 and cylinder lock. 7 is moved in a direction opposite to that of the engagement piece 11 by the rotation of the gear 9 by 7.
[0031]
The interlocking rack plate 20 is provided with a connecting piece 21 projecting midway, and protrudes upward from the one case 2, in this embodiment, and is connected to the upper edge of the case 2.TheThe shutter member 33 is positioned in the hollow portion 33c.
[0032]
Next, the other engagement piece 22 is formed in a rectangular strip shape, and is a substantially T-shaped plate member in which a projecting piece 23 is formed in the middle portion. Is formed.
[0033]
The other engagement piece 22 is disposed in the other case 3 so that its longitudinal direction is horizontal and the protruding piece 23 faces upward so that it can slide and move in the horizontal direction. The claw 24 protrudes outward from the through hole 6 of the other case 3, and moves forward and backward with respect to the case 3.
Note that the projecting piece 23 protruding above the case 3 is positioned in the shutter member 33 connected to the upper edge of the case 3.
[0034]
Further, one end of a compression coil spring 25 as an urging member is connected to a plate surface in the middle of the other engagement piece 22.
[0035]
The other end of the compression coil spring 25 is fixed in the other case 3, that is, the compression coil spring 25 urges the engagement piece 22 so that the engagement claw 24 at the tip always protrudes from the case 3. Has come to work.
[0036]
Next, the connecting long body 26 is made of a wire having flexibility, and one end 26a is connected to the connecting piece 21 of the interlocking rack plate 20 protruding from the upper part of one case 2, and the other end 26b is connected to the other case. 3 is connected to a projecting piece 23 of the other engaging piece 22 projecting from the upper part of 3.
[0037]
The connecting body 26 is disposed so as to be slidable along the longitudinal direction in the hollow portion 33c of the shutter member 33 connected to the upper edge portions of the left and right cases 2 and 3. The
[0038]
Next, the operation of the locking device 1 described above will be described.
First, at the time of opening and closing the shutter curtain 32, the locking device 1 is not operated, that is, as shown in FIG. 4, the engaging pieces 11 and 22 at both ends are retracted into the cases 2 and 3, respectively. Therefore, the shutter curtain 32 does not protrude on the movement locus of the shutter curtain 32, and the lifting / lowering operation of the shutter curtain 32 is not hindered.
[0039]
In this state, that is, in the unlocked state, the interlocking rack plate 20 is located on the end 33a side of the shutter member 33, which is opposite to the retracting direction of the one engagement piece 11, in the one case 2, 26 is pulled from the other case 3 side to the one case 2 side, whereby the other engagement piece 22 is retracted against the urging force of the urging member 25.
[0040]
Next, when the shutter curtain 32 is closed and locked, the key 10 is inserted into the cylinder lock 7 disposed in one case 2 located on one side of the shutter curtain 32 and rotated.
[0041]
Then, the gear 9 connected to the cylinder lock 7 rotates together with the cylinder lock 7, and one engagement piece 11 advances with respect to the case 2 by this rotation.
[0042]
At the same time, the interlocking rack plate 20 is moved in the direction opposite to the engagement piece 11 by the rotation of the cylinder lock 7 to release the traction state of the connecting long body 26, whereby the other engagement piece 22 is attached to the compression coil spring 25. Advance from the other case 3 by force.
[0043]
As a result, as shown in FIG. 3, the engaging claws 13, 24 at the tips of the engaging pieces 11, 22 engage with the engaging portions 36 in the left and right guide rails 35, and the key 10 is removed to lock the key 10. It becomes.
[0044]
During this operation, the gear 9 and the teeth 16a and 20a of the rack plate 16 and the interlocking rack plate 20 meshing with the gear 9 are formed in a substantially rectangular shape. The rack plates 16 and 20 can be slid, but the gear 9 is prevented from rotating by the sliding of the rack plates 16 and 20, that is, when the key 10 is removed from the cylinder lock 7, The rack plates 16 and 20 remain in that position and maintain the locked state, which is the engaged state between the engaging claws 13 and 24 and the engaging portion 36.
[0045]
Further, when the shutter curtain 32 is not completely closed at the time of locking, the engaging claws 13 and 24 of the respective engaging pieces 11 and 22 that have advanced are accurately placed on the engaging portion 36 in the guide rail 35. In one engagement piece 11, the engagement piece main body 12 is degenerated by the coil spring 19 with respect to the rack plate 16 moved by the gear 9 in one engagement piece 11, and in the other engagement piece 22 by the compression coil spring 25. Thus, the operation of the other parts is not interrupted and the engagement is always performed by the urging force of the springs 19 and 25, so that the shutter curtain 32 can be moved up and down after the locking operation. The engaging claws 13 and 24 of the engaging pieces 11 and 22 are engaged with the engaging portions 36.
[0046]
Next, in order to unlock the locking device 1, the key 10 is inserted into the cylinder lock 7 and rotated in the direction opposite to that at the time of locking.
[0047]
Then, the gear 9 connected to the cylinder lock 7 rotates together with the cylinder lock 7, and one engagement piece 11 moves backward with respect to the case 2 by this rotation.
[0048]
At the same time, the interlocking rack plate 20 moves in a direction opposite to the engagement piece 11 by the rotation of the cylinder lock 7, pulls the connecting long body 26, and thereby the other engagement piece 22 biases the compression coil spring 25. Retreat against the other case 3 against this.
[0049]
As a result, as shown in FIG. 4, the engaging claws 13 and 24 at the tips of the engaging pieces 11 and 22 are detached from the engaging portions 36 in the left and right guide rails 35 and unlocked.
[0050]
Therefore, in the shutter locking device 1 configured as described above, the engagement pieces 11 and 22 that are engaged with the left and right guide rails 35 are disposed at both ends 33a and 33b of the shutter member 33, respectively. Is constituted by individual mechanism parts, and the connecting long body 26 that interlocks and connects each mechanism part is configured through the shutter member 33, so that the intermediate part excluding the mechanism parts at both ends is hollow. Since it is not configured, in the case of the shutter curtain 32 configured by the pipe member (33) as described above, the space between the shutter members 33 connected via the links 34 in the vertical direction is entirely configured in space. The design of the shutter curtain 32 as a whole is not impaired.
[0051]
In addition, from this, it is possible to set and arrange the mechanism part constituting the locking device 1 at a height that is easy for a person to operate, and to facilitate the locking and unlocking operation.
[0052]
Further, in this locking device 1, the cylinder lock 7 is disposed only in one of the mechanical portions located at both ends 33 a and 33 b of the shutter member 33, and the other engagement is interlocked with the cylinder lock 7. Since the piece 22 is also configured to operate, the operation with the key 10 can be performed only on one side of the shutter curtain 32, and the shutter curtain 32 can be easily locked and unlocked.
[0053]
In the above-described embodiment, the shape of the gear 9 provided in the cylinder lock 7, the rack teeth 16 a of one engagement piece 11 meshing with the gear 9, and the teeth 20 a of the interlocking rack plate 20 are substantially rectangular. Although the example which was made was described, as shown to Fig.5 (a), (b), it is not limited to this, Moreover, the biasing member (with which the other engagement piece 22 is urged | biased in the advancing direction ( The compression coil spring 25) may be arranged between the base of the engagement piece 22 and the inner wall of the case 3 without being arranged in a superposed state with the engagement piece 22, and as shown in FIG. Alternatively, the rack teeth 16 a may be formed on one of the engagement pieces 11 and the rack plate 16 may not be provided.
[0054]
Further, in the embodiment described above, the wire 26 which is a long connecting body passes through the shutter member 33 connected to the upper edges of the cases 2 and 3, but the shutter member 33 is shown in FIG. As shown in the figure, a slit 37 is continuously formed in the longitudinal direction so as to have a substantially C-shaped cross section, and a packing material 38 having a substantially T-shaped cross section that closes the slit 37 is used to place the wire 26 in the shutter member 33. When charging, the shutter 37 may be inserted into the shutter member 33 through the slit 37 and closed with the packing material 38.
This facilitates the assembly of the locking device 1 to the shutter member 33.
The packing material 38 may be disposed entirely through the shutter member 33 in the longitudinal direction, and is disposed only at a predetermined location, and further only at a location where the slit 37 excluding the link 34 portion is exposed. .
[0055]
Further, in the above-described embodiment, the wire 26 which is a long connecting body passes through the shutter member 33 connected to the upper edges of the cases 2 and 3, but as shown in FIG. The shutter member 33 may be connected to the shutter member 33.
[0056]
Furthermore, although the example which comprised the connection long body 26 with the wire which has flexibility was described, it is good also as a bowl-shaped member which does not have flexibility but has rigidity.
In this case, since the sliding of the interlocking rack plate 20 is directly transmitted to the other engagement piece 22, the urging force of the urging member 25 that works to always protrude the other engagement piece 22 is not set large. May be.
[0057]
Further, in the above-described embodiment, the interlocking rack plate 20 that is configured in one case 2 and is movable in the direction opposite to the one engaging piece 11 is provided, and the connecting long body 26 is connected to the interlocking rack plate 20. However, as shown in FIG. 8, a driven gear 40 that meshes with the gear 9 connected to the cylinder lock 7 is disposed, and the rotation of the driven gear 40 causes the other engagement piece 22 to operate. The connecting long body 26 may be wound, unwound and the other engagement piece 22 may be moved. Further, as shown in FIG. 9, the connecting long body 26 is wound up by the cylinder lock 7 itself. The other engagement piece 22 may be moved by rewinding.
[0058]
In the above-described embodiment, the locking device 1 is provided on the grille shutter 30 constituted by the shutter member 33 made of a pipe-like member. However, as shown in FIG. 10, the shutter member 33 made of a panel plate material. It is good also as a structure with which it comprises in the panel shutter 30A comprised by these.
In this case, as shown in FIG. 11, if the wire 26 which is a long connecting body is slidably disposed in the hollow portion of the crosspiece portion 42 constituting the upper and lower edges of the panel 41, the same effect as described above. In addition, even if the panel plate 41 constituting the shutter member 33 is a transparent acrylic resin plate material, it can be configured without reducing the translucency of the panel plate portion.
[0059]
Furthermore, it is possible to arrange not only the pipe-shaped shutter member 33 or the panel plate-shaped shutter member as described above but also a shutter member made of a simple strip-shaped slat.
In this case, it is possible to reduce the weight as compared with the conventional locking device, and it is effective when the left and right width of the shutter curtain is large.
[0060]
Further, in each of the above-described embodiments, the example in which the locking device 1 is provided in the shutter device in which the shutter curtain 32 is opened and closed by moving up and down in the vertical direction has been described. It can also be provided for a horizontal shutter device.
[0061]
【The invention's effect】
As described above, in the shutter locking device according to the present invention, the engagement pieces for engaging with the left and right guide rails are disposed at both ends of the shutter member, and these are individual simple mechanism portions. In the case of a pipe-like shutter member, the connecting long body for interlockingly connecting each mechanism part is in the hollow portion thereof, and if it is a panel plate-like shutter member having a crosspiece, Since it is configured to be slidably disposed in the hollow portion, the intermediate portion excluding the mechanism portions located at both ends of these shutter members is hollow and is not concealed, and is not configured at all. In the case of a shutter curtain composed of shutter members, the space between the shutter members connected via a link can be composed entirely of a transparent panel. If the shutter curtain constructed by a shutter member of the plate is constructed without covering the transparent panel portion, there is an effect that does not impair the design of the entire shutter curtain.
[0062]
Further, since the mechanism portions are provided only at both ends of the shutter member, it is possible to reduce the weight, which is effective when the width of the shutter curtain is long.
[0063]
Furthermore, from the above, in the case of a structure in which the shutter curtain moves up and down, it is possible to set and dispose the mechanism part constituting the locking device at a height that is easy for a person to operate. There is an effect that it can be easily performed.
[0064]
In addition, this locking device has a configuration in which the cylinder lock is disposed only in one of the mechanism portions located at both ends of the shutter member, and the both engagement pieces are operated in conjunction with this cylinder lock. The operation with the keys can be performed only on one side of the shutter curtain, and the shutter curtain can be easily locked and unlocked.
[Brief description of the drawings]
FIG. 1 is a front view of a shutter provided with a shutter locking device according to the present invention.
FIG. 2 is a partially cut front view showing an embodiment of the shutter locking device.
FIG. 3 is a front sectional view showing the operation of the locking device.
FIG. 4 is a front sectional view showing the operation of the locking device.
FIG. 5A is a front sectional view of a locking device according to another embodiment.
(B) Front sectional view showing a locked state of a locking device according to another embodiment
FIG. 6 is a partially enlarged perspective view of a shutter member in a locking device according to another embodiment.
FIG. 7 is a schematic front sectional view of a locking device according to another embodiment.
FIG. 8 is a schematic front sectional view of a locking device according to another embodiment.
FIG. 9 is a schematic front sectional view of a locking device according to another embodiment.
FIG. 10 is a partially cut front view of a shutter including a locking device according to another embodiment.
FIG. 11 is a schematic side sectional view of another embodiment.
FIG. 12 is a schematic front view of a shutter equipped with a conventional locking device.
FIG. 13 is a schematic front view of a shutter equipped with a conventional locking device.
FIG. 14 is a schematic front view of a shutter equipped with a conventional locking device.
[Explanation of symbols]
1 ... Locking device for shutter
7 ... Cylinder lock
10 ... Key
11: One engaging piece
22 ... The other engagement piece
25 ... Biasing member (compression coil spring)
26 ... long connected body
26a ... one end
26b ... the other end
32 ... Shutter curtain
33 ... Shutter member
33a ... one end
33b ... the other end
33c ... hollow part
35 ... Guide rail
36 ... engaging part
41 ... Panel board
42.

Claims (4)

The shutter of the grill shutter, which is constituted by a shutter member composed of a long hollow pipe that is guided at both ends by each of a pair of opposed guide rails and that is connected in plural along the longitudinal direction of each guide rail at a predetermined pitch. In the shutter locking device provided in the curtain,
A cylinder lock provided in a case disposed at either one end of both ends in the longitudinal direction between the pitches of the pair of adjacent shutter members;
The shutter member is disposed at one end of the shutter member, and is linked to the one end along the longitudinal direction of the shutter member in conjunction with rotation of the cylinder lock by a key inserted into the cylinder lock. One engaging piece that advances and retreats,
The other engagement provided in a case disposed at the other end between the pitches of the pair of adjacent shutter members and freely movable forward and backward with respect to the other end along the longitudinal direction of the shutter member. With a piece,
And the other is connected to the engaging piece, a biasing member for biasing the engaging piece of the other side in a direction to advance to the other end in said case,
The shutter member is slidably disposed in the hollow portion of the shutter member, and one end is connected to the cylinder lock, the other end is connected to the other engagement piece, and is linked to the rotation of the cylinder lock. A long connecting body,
An engaging portion disposed on each of the guide rails so as to be opposed to each other and engaged with the engaging pieces;
A shutter locking device characterized by comprising: The shutter member that constitutes the shutter curtain and in which the connecting long body is disposed is a hollow pipe having a substantially C-shaped cross section in which slits are continuously formed in the longitudinal direction, and the slits are made of a packing material. The shutter locking device according to claim 1, wherein the shutter locking device is closed . The case of the cylinder lock and the case of the engagement piece are rotatably connected to the pair of adjacent shutter members and attached to the longitudinal direction of the shutter members so that the movement is restricted. The shutter locking device according to claim 1 or 2, wherein the portion is inserted into the guide rail. Both ends are guided to each of the pair of opposed guide rails, and a plurality of shutter members are connected along the longitudinal direction of each of the guide rails, and the shutter members are connected to other shutter members. In a shutter locking device provided in a shutter curtain constituted by a transparent panel plate having upper and lower edges,
A cylinder lock provided in a case disposed at either one end of the longitudinal ends of the adjacent shutter members;
The shutter member is disposed at one end of the shutter member, and is linked to the one end along the longitudinal direction of the shutter member in conjunction with rotation of the cylinder lock by a key inserted into the cylinder lock. One engaging piece that advances and retreats,
The other engagement piece provided in a case disposed at the other end of the shutter member, and movable forward and backward with respect to the other end along the longitudinal direction of the shutter member;
An urging member coupled to the other engagement piece in the case and urging the other engagement piece in a direction to advance with respect to the other end;
The shutter member is slidably disposed within the hollow portion of the crosspieces of Rutotomoni one end connected to the cylinder lock, the other end is connected to the engaging piece of the other, rotation of the cylinder lock With a small connecting length that is linked to
An engaging portion disposed on each of the guide rails so as to be opposed to each other and engaged with the engaging pieces;
The shutter of the cylinder lock and the case of the engagement piece are disposed at the end of the shutter member in a state in which a part of both cases is inserted into the guide rail. Locking device.

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