JP4454462B2 - Opening device - Google Patents

Description

  The present invention relates to an opening device such as a sash, and more particularly to an opening device having a locking device with high crime prevention and excellent operability and design.

  In a general building opening device, the locking device is often attached to the side surface of a shoji summon bowl. In such a case, the presence / absence of locking and the position of the locking device can be easily confirmed from the outdoor side, which causes a problem in crime prevention.

  Patent Document 1 discloses a key body housed inside an inner summon bowl for a shoji and an outer summon bowl for an external shoji to provide a sash window locking device with high crime prevention and excellent design. The lock device of the sash window which consists of the key holder provided in is described. This locking device is provided with a lever as an operation portion of the key body, and the key body is rotated around the support shaft by pushing up the lever from the bottom to the top so that locking is performed.

Patent Document 2 describes a locking device that has a slider that slides in the vertical direction along the locating surface of the ridge and locks by rotating a gear by the movement of the slider.
JP 2003-3716 A JP-A-8-144609

  In the locking device having crime prevention properties as described in Patent Document 1, in order to further improve the design and improve the operability of the locking from the indoor side, the operation is performed on the indoor side surface of the internal summon basket. There is a need for an opening device that can be locked by providing a member and sliding the operation member vertically in parallel along the interior surface.

  As an operation mechanism by such vertical movement, a locking device as disclosed in Patent Document 2 is disclosed. However, Patent Document 2 discloses that a locking portion is engaged with a receiving portion to lock the device. It is a device that can be used as a kama lock, and it is difficult to apply this device directly to a crescent lock that requires a large force when engaging the device, particularly when pulling the outer arm toward the inner arm. is there.

  Moreover, although there exists a request | requirement of making the overhang | projection of the inner summon bowl into the room | chamber interior as small as possible from a design viewpoint, the locking device currently disclosed by patent document 1 locks by rotating a lever part. Since the structure and the inner summoning bowl require a space that can accommodate the rotational movement of the lever portion, there is a limit to minimizing the protrusion to the indoor side.

  Therefore, the present invention can lock the operation member by sliding movement along the indoor side surface of the inner summon bowl, and can suppress the overhang of the inner summon bowl small, operability, It aims at providing the opening part apparatus which has a locking device excellent in the designability and crime prevention property.

  The present invention will be described below. In order to facilitate understanding of the present invention, reference numerals in the accompanying drawings are appended in parentheses, but the present invention is not limited to the illustrated embodiment.

  The present invention includes a four-side frame (10) and a plurality of shojis arranged in the frame, and at least one of the plurality of shojis is configured to be movable in the left-right direction. , A key body (50) provided in the summoning tub (22) of the indoor shoji (20) (hereinafter also referred to as “inner shoji 20”), and a key piece ( 52), and a key holder (60) provided in the outside summoning bowl (32) of the outdoor shoji (30) (hereinafter also referred to as “gaijisho30”). An operating member (55) that is moved along the surface on the indoor side is provided, and by operating the operating member, the key piece protrudes and sinks from the inside of the summoning tub and is used as a key holder in the outside summoning jar. An opening device to be engaged and disengaged, wherein the key body rotates by rotating the linear motion of the operation member. The first gear train (70, 84, 82, 94) and the second gear train (70, 84, 92) with a larger reduction ratio than the first gear train, and the key piece is in the summoning bowl At the stage of projecting and retracting from the position, the operation of the operation member is transmitted to the key piece via the first gear train, and at the stage where the key piece is engaged and disengaged from the key holder, the operation of the operation member is transmitted via the second gear train. An opening device (100) is provided that is transmitted to a key piece.

  According to the present invention, it is possible to perform the locking operation by sliding movement along the indoor side surface of the inner summon bowl, and it is possible to suppress overhang of the inner summon bowl to the inside. Also, at the stage where the key piece protrudes from the summoning bowl, that is, when a large operating force is not required, the operating force applied to the operating member is transmitted to the key piece via the first gear train having a small reduction ratio. In the stage where the external shoji is pulled toward the inner hand side by the disengagement of the key piece from the key holder, that is, in the stage where a large operating force is required, the operating force applied to the operating member is a large reduction ratio. It is transmitted to the key piece via the two gear train. Accordingly, the operation force can be applied to the operation member with a substantially constant force, and the key piece can be smoothly projected and retracted from the inner summoning hook and the key piece and the key receiver can be engaged and disengaged. Therefore, it can be set as the opening part apparatus excellent in operativity, the designability, and crime prevention.

Hereinafter, the present invention will be described based on embodiments shown in the drawings.
The opening device 100 of the present invention includes a four-sided frame body 10, a plurality of shojis arranged in the frame body, and a locking device 40. Typically, the shoji can include two left and right hand-drawn shoji made up of the inner shoji 20 and the outer shoji 30, but any shoji with a summon can be used. Alternatively, it may be a one-sided shoji in which either one of the inner or outer shoji is fixed.

  FIG. 1 is a perspective view of an opening device 100 according to an embodiment of the present invention as viewed from the indoor side. In the illustrated embodiment, the two left and right inner impingements 20 and the outer imperial child 30 are configured to be movable in the left and right directions within the four-side frame 10. A locking device 40 is provided in the inner summon basket 22 and the outer summon basket 32 in the inner and outer children 20 and 30.

  FIG. 2 is an enlarged perspective view of the inner summoning candy 22 of the inner reed child and the outer summoning reed 32 of the outer reed at the portion where the locking device 40 is attached. The locking device 40 of the illustrated embodiment includes a key body 50 (see FIG. 6) and a key holder 60 (see FIG. 4).

  The key body 50 is stored in the inner summon basket 22, and the key holder 60 is stored in the outer summon basket 32. An operation window 42 for operating the key body 50 is provided on the room-side surface 26 of the inner summon bowl 22. In addition, the operation window 42 is provided with a cover material 44 for improving design and preventing crime. The cover member 44 is provided with a knob 45 at the top thereof, and the operation window 42 is opened and closed by pinching the knob 45 from the indoor side and operating the cover member 44 up and down. In the state where the operation window 42 is opened, the key body 50 can be operated from the indoor side.

  A cylinder lock 46 is provided on the top of the lid member 44. When the cylinder lock 46 is locked, the operation window 42 cannot be opened, and the lock device 40 can be operated only by a person who has the cylinder lock 46. In the present invention, the presence or absence of the cylinder lock 46 is optional. In addition, a wireless electronic lock may be installed instead of the cylinder lock. In this case, the operability is further improved in addition to the crime prevention.

  FIG. 3 is a perspective view from the outdoor side, showing an enlarged view of a portion where the key body 50 is stored in the inner summon bowl 22. A window portion 28 for projecting a key piece 52 included in a key body 50 described later in the outdoor direction is provided on the outdoor surface 24 of the inner summon bowl 22. In the opening device 100 of the present invention, by performing a locking operation from the indoor side, the key piece 52 protrudes from the window portion 28 to the outdoor side and is engaged with a key holder 60 provided in the shoji 30. Thus, the opening device 100 is locked.

  FIG. 4 is a perspective view from the indoor side, showing an enlarged view of a portion in which the key holder 60 is stored in the outside summit bowl 32. A window 35 for exposing the key holder 60 to the indoor side is provided on the indoor side surface 34 of the outside summit bowl 32. The key receiver 60 is provided with a semicircular convex engaging portion 62 that is bent substantially at right angles to the direction of finding. The key holder 60 is fixed inside the outer summoning bowl 32 by fixing metal fittings 61a and 61b arranged vertically. The engaging portion 62 provided in the key holder 60 does not protrude from the room-side surface 34 of the outside summit bowl 32 and is contained inside the outside summit bowl 32. In the opening device 100 of the present invention, the key piece 52 of the key body 50 protruding from the inside summoning bowl 22 by the locking operation of the user is received from the window 35, and the key piece 52 and the key holder 60 are received. Is locked by being engaged.

  5a and 5b are views showing a state in which the operation window 42 is opened by pulling down the knob 45 of the lid member 44 to the lower end of the operation window 42 in FIG. By opening the operation window 42, the operation member 55 of the key body 50 is exposed to the indoor side, and can be viewed and operated. In the illustrated embodiment, the operation member 55 is a convex knob 55 integrally formed on the plate-like member 56. When the operation member 55 is pulled down from the state shown in FIG. 5a to the state shown in FIG. 5b, that is, from the top to the bottom, a key piece 52 of the key body 50, which will be described later, protrudes from the window portion 28 to the outdoor side. The opening device 100 is locked by being engaged with the key holder 60 of the mating bar 32. On the contrary, when the key piece 52 is moved from the bottom to the top, the key piece 52 is stored in the inner summoning jar from the window portion 28 and unlocked, so that the inner and outer children 20 and 30 are moved in the left-right direction. It becomes possible.

  FIG. 6 is a side view of the key body 50 housed in the inner summon bowl 22 as viewed from the left side of the opening device 100 of FIG. The key body 50 includes a first gear 70 formed as a rack gear, a second gear group 80 formed as a spur gear, and a third gear group 90 formed in a shape in which the spur gear is cut out in a substantially fan shape, And a cover 59. The second gear group 80 is rotatably attached to the cover 59 via a shaft 85. The third gear group 90 is rotatably attached to the cover 59 via a shaft 95.

  The first gear 70 is fixed to a plate-like member 56 having an operation portion 55 via an L-shaped member 72. The plate-like member 56 is slidably attached in the vertical direction within the surface of the operation window 42 on the indoor side of the inner summoning bowl 22. Thereby, the operation part 55 can be moved up and down parallel to the room-side surface 26 of the inner summoning bowl 22 and the first gear 70 can be moved up and down.

  FIG. 7 is a side view of the key body 50 with the cover 59 removed as viewed from the right side of the opening device 100 of FIG. 1, and shows the key body 50 in the unlocked state. FIG. 8 is a side view of the same state as FIG. 7 as seen from the left side of the opening device 100 of FIG. The first gear 70 is a rack gear as described above, and is fixed to the L-shaped member 72 by a fixing member 74 at the center thereof. The plate-like member 56 is a plate-like member having a longitudinal direction in the vertical direction parallel to the finding surface. On the outdoor surface of the plate-like member 56, an L-shaped member 72 parallel to the prospective surface is provided at the center portion so as to protrude in the outdoor direction. Further, a knob 55 which is an operation member is provided on the indoor surface of the plate-like member 56 so as to protrude in the indoor direction at the center. The knob 55, the plate-like member 56, and the L-shaped member 72 may be integrally formed.

  The second gear group 80 includes a large gear 82 and a small gear 84, and these two gears are fixed to a shaft 85 shared with each other. The third gear group 90 includes a key piece 52, a fan-shaped large gear 92, and a fan-shaped small gear 94. The key piece 52, the fan-shaped large gear 92, and the fan-shaped small gear 94 are fixed to a shaft 95 shared with each other. Yes. The fan-shaped large gear 92 and the inner peripheral fan-shaped portion of the key piece 52 are arranged on substantially the same plane. On the other hand, the fan-shaped small gear 94 is disposed adjacent to the right side of the fan-shaped large gear 92 and the inner peripheral side fan-shaped portion of the key piece 52 when viewed from the indoor side. Further, the fan-shaped large gear 92 and the fan-shaped small gear 94 are arranged with a phase shift of about 30 to 45 ° with respect to the fan-shaped radial direction centered on the shaft 95.

  9 is a view of the locked key body 50 as viewed from the right side of the opening device of FIG. 1 with the cover 59 removed. Similar to the locked state shown in FIG. 5b, the knob 55, which is an operating member, is pulled downward, and the key piece 52 projects in the outdoor direction accordingly. Below, operation | movement of the opening part apparatus 100 from the unlocked state shown by FIGS. 6-8 to the locked state of FIG. 9 is demonstrated.

  When the knob in the state shown in FIG. 5a is moved downward, the first gear 70 is moved downward, and the small gear 84 engaged with the first gear 70 is rotated. As a result, the large gear 82 fixed coaxially with the small gear 84 rotates in the same direction. In the unlocked state, the large gear 82 meshes with the fan-shaped small gear 94, and the fan-shaped small gear 94 rotates in the reverse direction as the large gear 82 rotates. With the rotation of the fan-shaped small gear 94, the key piece 52 protrudes from the inside summoning bowl 22 in the outdoor direction. As the third gear group 90 rotates so that the key piece 52 protrudes, the large gear 82 and the small fan gear 94 are eventually disengaged, and the small gear 84 is fan-shaped as shown in FIG. The large gear 92 is brought into mesh. Thereby, as the small gear 84 rotates, the fan-shaped large gear 92 rotates in the opposite direction to push the key piece 52 into the engaging portion 62 further.

  That is, the first gear train in the present invention refers to a gear train composed of the first gear 70, the small gear 84, the large gear 82, and the fan-shaped small gear 94. The second gear train is a gear train composed of the first gear 70, the small gear 84, and the sector large gear 92.

  As described above, in the opening device of the present invention, when the key piece 52 is protruded from the inside summoning cage 22, power is transmitted by the first gear train having a small reduction ratio. Until the engagement part 62 of the key receiver 60 is reached, the key piece 52 is quickly projected as the knob 55 moves downward. Thereafter, when the key piece 52 reaches the engaging portion 62 and pushes the key piece 52 into the engaging portion 62, the key piece 52 is switched to the second gear train having a large reduction ratio, thereby transmitting power. Therefore, the crescent in which the engaging portion 62 of the key receiver 60 is pulled toward the indoor side by the key piece 52 and the external shoji 30 is pulled toward the inner shroud 20 by the key piece 52 to increase the air tightness and water tightness of the opening device 100. The function of the lock can be demonstrated.

  Moreover, the knob 55 should just be operated up and down along the room | chamber interior surface 26 of a summoning bowl, and operativity and designability improve. Furthermore, since the operating force of the knob is transmitted by the gear train, the locking device can be compactly assembled.

  While the present invention has been described in connection with embodiments that are presently the most practical and preferred at the present time, the present invention is not limited to the embodiments disclosed herein. However, the invention can be appropriately changed without departing from the gist or concept of the invention that can be read from the claims and the entire specification, and the opening device with such a change is also included in the technical scope of the present invention. Must be understood as.

It is the perspective view which looked at the opening part apparatus of one embodiment of the present invention from the room inner side. In FIG. 1, it is the perspective view which expanded and showed the location of the locking device. It is the perspective view which looked at the inner summon bowl from the outdoor direction. It is the perspective view which looked at the outside summon bowl from the room direction. In FIG. 2, it is the figure which showed the state which opened the cover material in the unlocked state. In FIG. 2, it is the figure which showed the state which opened the cover material in the locked state. It is the side view which looked at the key main body of the unlocked state from the left of the opening part apparatus of FIG. 5B is a side view of the unlocked key body as viewed from the right in FIG. 5A. FIG. 5B is a side view of the unlocked key body as viewed from the left in FIG. 5A. FIG. Fig. 6 is a side view of the key body in a locked state with the cover taken from the right side of Fig. 5b.

Explanation of symbols

10 Frame 20 Inner shoji 22 Internal summoning bowl 30 External shoji 32 Outer summoning bowl 50 Key body 55 Operating member (knob)
60 Key holder 70 First gear 80 Second gear group 82 Large gear 84 Small gear 92 Fan-shaped large gear 94 Fan-shaped small gear

Claims (1)

A frame having four sides and a plurality of shojis arranged in the frame, and at least one shoji among the plurality of shojis is configured to be movable in the left-right direction.
A key body provided in the summoning jar of the indoor shoji, a key piece provided in the key body, and a key holder provided in the summoning jar of the outdoor shoji,
An operating member that is moved along the indoor side surface of the inner summoning bowl is provided, and by operating the operating member, the key piece projects and sinks from the inner summoning bowl, and the outer summoning An opening device engaged and disengaged from a key holder in the bag,
The key body includes a first gear train that converts a linear motion of the operation member into a rotational motion, and a second gear train having a larger reduction ratio than the first gear train,
In the stage where the key piece projects and sinks from the inner summoning bowl, the operation of the operation member is transmitted to the key piece through the first gear train,
The opening device, wherein the operation of the operating member is transmitted to the key piece via the second gear train when the key piece engages and disengages from the key holder.

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