JP2010222942A - Crescent and sash - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a crescent capable of surely drawing a sliding screen and stably securing airtightness in the sliding screen. <P>SOLUTION: This crescent, which is provided in the sliding screen 1 of the sash comprising the sliding screens 1 and 2, is engaged with/disengaged from a retainer fitting 4 for having the sliding screens 1, 2 in a locked state. The crescent includes: a body 20 which is fixed to the outer peripheral surface of the sliding screen 1; an operation portion 21 which is turnably attached to the body 20; and a latch 22 which is engaged with/disengaged from the retainer fitting 4 along with the turning of the operation portion 21. The latch 22 has an approximately arc-shaped engaging portion 22c centering on the rotating shaft 21a of the operation portion 21 and the inner peripheral surface of the engaging portion 22c abuts on the retainer fitting 4 and slides thereon, while a convex protrusion 22d facing toward the center-of-rotation portion 22a of the latch 22 is provided in a position to abut on the retainer fitting 4 while having the operation portion 21 turned up to the locked state. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a crescent that locks a shoji such as a sliding sash and a sash having the same, and more particularly to a crescent that can draw the shoji by a hanging metal that is engaged with and disengaged from a receiving metal and a sash having the same.

  2. Description of the Related Art Conventionally, a sash is known in which an internal and external shoji is used as a draw. In such a sash, a crescent is provided in the calling bowl for the inner shoji, a receiving portion is provided in the calling bowl for the outer shoji, and the handle of the crescent is rotated, so that an arc-shaped hanging bracket is interlocked. It rotates and engages with the receiving part of the external shoji so that the shoji can be locked.

  In addition to locking the internal and external shoji, the crescent has a function of attracting and separating the internal and external shoji. By setting the crescent to the locked state, the hanging bracket can draw the outer bracket's support bracket toward the inner arm and also draw the inner and outer shoulder in the direction of the fully closed state. It can be. As a result, the airtightness of the sliding sash is improved. The sash of the sliding shoji which has such a crescent is, for example, disclosed in Patent Document 1.

JP 2007-177420 A

  However, the conventional crescent has a small pulling effect on the inner and outer shoji, and there are cases where the engagement of the crescent with the receiving bracket varies depending on the rattling inherent to each shoji. As a result, the degree of airtightness between the internal and external shoji sometimes varies.

  This invention is made | formed in view of the said subject, and it aims at providing the crescent which can attract a shoji reliably, and can ensure the airtightness in a shoji stably, and a sash which has it.

In order to solve the above problems, the crescent according to the present invention is provided in the shoji of the sash provided with a shoji, in the crescent that is engaged with and disengaged from a metal fitting and the shoji is locked.
A main body fixed to the outer peripheral surface of the shoji, an operating section that is rotatably attached to the main body, and a hook that is engaged with and disengaged from the metal fitting as the operating section rotates. Have
The hook has a substantially arcuate engagement portion centered on the rotation axis of the operation portion, and the engagement portion has an inner peripheral surface that abuts against and slides against the support fitting, and the operation portion It has a feature that it has a convex protrusion toward the rotation center side of the metal fitting at a position where it abuts against the metal fitting when the portion is rotated to the locked state.

  In addition, the crescent according to the present invention is characterized in that the protrusion is formed by drawing the hook.

  Furthermore, the crescent according to the present invention is characterized in that the projecting portion protrudes in an arc shape from the engaging portion.

  Furthermore, the crescent according to the present invention is characterized in that the projecting portion is formed in an inclined surface shape extending from a root portion to a distal end portion with respect to a base portion of the hanging metal fitting in a direction away from the rotation center of the hanging metal fitting. It is configured as.

And the sash which concerns on this invention is a sash which provides a shoji in the frame,
A receiving bracket is provided at an outer position in the expectation direction, and the shoji is provided with the crescent according to any one of claims 1 to 4, wherein the shoji is engaged with and disengaged from the receiving bracket to lock the shoji. It is structured as a feature.

  According to the crescent according to the present invention, the hanging bracket has a substantially arc-shaped engagement portion centering on the rotation shaft of the operation portion, and the engagement portion is in contact with and sliding on the inner side surface of the engagement portion. In addition, when the crescent is brought into the locked state by having a convex protrusion toward the rotation center side of the hanging bracket at a position where it comes into contact with the receiving bracket in a state where the operation portion is rotated to the locked state. In addition, the protrusions can press the support fittings indoors, thereby pulling the shoji, and a load can be applied in the direction in which the airtight material provided on the shoji adheres. Therefore, the airtightness in the shoji can be stably secured.

  Further, according to the crescent according to the present invention, the protrusion can be easily formed integrally with the hook by forming the protrusion on the hook by drawing.

  Further, according to the crescent according to the present invention, the protrusion protrudes in an arc shape from the engaging portion, so that the protrusion smoothly presses the receiving metal member as the hook is rotated, and the operation is smoothly performed. Can be made.

  Furthermore, according to the crescent according to the present invention, the protrusion is formed in an inclined surface shape extending in a direction away from the rotation center of the hook from the root to the tip with respect to the base of the hook. By engaging the receiving bracket, the receiving bracket can be pressed in the closing direction of the internal and external shoji, and the internal and external shoji can be drawn and a load can be applied in the direction in which the airtight material provided on them is in close contact. Therefore, the airtightness between the shojis can be secured more stably.

It is a cross-sectional view of the sliding sash provided with the crescent in the present embodiment, and is an enlarged view of the vicinity of the summon bowl. It is a front view of a crescent. It is a side view of a crescent. It is a front view of a receiving metal fitting. It is a cross-sectional view of the sliding sash with the crescent locked, and is an enlarged view of the vicinity of the summon bowl.

  Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a cross-sectional view of a sliding sash provided with a crescent according to the present embodiment, and shows an enlarged view near a summoning bowl. The sliding sash shown in this figure is configured so that the inner shoji 1 and the outer shoji 2 are provided in a sliding manner, and the inner shoji 1 and the outer shoji 2 have the summoning rods 10 and 11 at the opposite summing positions, respectively. Configured.

  The summoning jar 10 of the inner shoji 1 and the summoning jar 11 of the outer shoji 2 are both formed in a hollow cross-section and hold the glass body 12 on the inner peripheral surface side. The crescent 3 of the present embodiment is provided on the outer peripheral surface of the summoning cage 10 constituting the inner shoji 1, and is received on the indoor side surface of the summoning cage 11 constituting the outer shoji 2 so as to protrude toward the inner peripheral side. The metal fitting 4 is provided, and the crescent 3 is operated to engage / disengage from the metal fitting 4 so that the locked state and the unlocked state of the inner and outer children 1 and 2 can be switched. FIG. 1 shows the unlocked state of the inner shoji 1 and the outer shoji 2.

  The summing bowl 10 of the inner shoji 1 has a substantially L-shaped smoke return portion 10a formed on the outer side surface thereof, and the summing bowl 11 of the outer shoji 2 has a smoke returning portion of the inner shingles 1 on the inner side surface. Corresponding to 10a, smoke returning portions 11a that are staggered are formed. These smoke return portions 10a and 11a are in contact with each other in a state in which the inner shoji 1 and the outer shoji 2 are closed to ensure airtightness. These can be made more airtight by being drawn in the direction in which the inner and outer obstacles 1 and 2 are closed.

  Further, an airtight material 10b is provided on the outdoor side surface of the inner shoji 1 so as to contact the indoor side surface of the summoning cage 10 of the external shoji 2, and an airtight material 11b is provided on the indoor side surface of the external shoji 2 so The airtightness between the inner and outer shoji 1 and 2 is also secured by abutting against the outdoor surface of the summoning bowl 10. These can be made more airtight by being drawn in the direction in which the inner imperial child 1 and the outer imperial child 2 approach each other.

  FIG. 2 shows a front view of the crescent 3, and FIG. 3 shows a side view of the crescent 3. Each of these figures represents the locked state of the crescent 3. As shown in these drawings, the crescent 3 is provided with an operation portion 21 so as to be rotatable with respect to a main body portion 20 formed in a substantially rectangular parallelepiped box shape that is long in the vertical direction. And has a hook 22 that rotates. The hook 22 is engaged with and disengaged from the bracket 4. The main body 20 is provided with an auxiliary lock 24 that can slide in the vertical direction.

  Although not shown, the main body 20 is provided with a rotation mechanism that rotatably holds the operation unit 21 and the hook 22, a lock mechanism of the operation unit 21 by the auxiliary lock 24, and the like. By the rotation mechanism provided in the main body 20, the operation unit 21 can be rotated about the rotation shaft 21 a, and the hook 22 can be rotated at the same time by rotating the operation unit 21. .

  The hanging bracket 22 includes a base portion 22b having a rotation center portion 22a that is rotatable with respect to the main body portion 20, and an engagement portion 22c in which the peripheral edge portion of the base portion 22b is raised. As shown in FIG. 3, the base portion 22 b has a shape in which a part of a circle is cut out, and the peripheral edge portion has an arc shape. The engaging portion 22c formed so as to rise from the peripheral edge portion also has an arc shape.

  The circular shape of the hanging bracket 22 is centered on the rotation center portion 22a. Therefore, the circumferential position of the engaging portion 22c is moved by the rotation of the hanging bracket 22 as the operation portion 21 is rotated. It will be. And it engages with the opposing metal fitting 4 by the movement of the circumferential direction position of the engaging part 22c.

  The engaging portion 22c of the hook 22 is formed with a protrusion 22d that protrudes toward the indoor side, that is, toward the rotation center portion 22a of the hook 22 in a substantially central position in the circumferential direction. ing. The protrusion 22d is formed to have an arc shape facing the opposite side to the engagement portion 22c. The protrusion 22d is formed by drawing when the hook 22 is formed.

  The projecting portion 22d is formed so as to be in an engagement position with respect to the metal fitting 4 in a state in which the metal fitting 22 is engaged with the metal fitting 4. Since the protrusion 22d is formed on the engaging portion 22c, the outer shoji 2 can be drawn toward the inner shroud 1 through the metal fitting 4 as will be described later.

  Further, the protrusion 22d is formed in an inclined surface shape extending from the base portion to the tip portion of the base portion 22b of the hook 22 toward the direction away from the rotation center portion 22a of the hook 22. Thereby, it can be made to draw in the direction in which the outer shoji 2 and the inner shoji 1 obstruct | occlude via the bracket 4 so that it may mention later.

  In FIG. 4, the front view of the receiving metal fitting 4 is shown. 4, the right half shown in FIG. 4 is formed as a fixing portion 4 a for the summing bar 11, and the left half is formed as a receiving portion 4 b for the hanging bracket 22 of the crescent 3. The receiving portion 4b is formed in a frame shape having a square shape and a hollow central portion, and has an engaged portion 4c that engages with the engaging portion 22c of the crescent 3 at the left end portion.

  FIG. 5 is a cross-sectional view of the sliding sash with the crescent 3 locked, and shows an enlarged view of the vicinity of the summon bowl. By rotating the operation portion 21 from the state shown in FIG. 1, the engaging portion 22 c of the hook 22 is engaged with the engaged portion 4 c of the bracket 4 as described above. The receiving metal fitting 4 has a portion of the engaged portion 4c protruding in a stepped manner toward the indoor side, and the engaging portion 22c of the hanging metal fitting 22 abuts against the outdoor side surface of the engaged portion 4c. Engage while moving.

  When the operation portion 21 is rotated from the unlocked state, the engaging portion 22c of the hook 22 enters the outside of the engaged portion 4c of the bracket 4, and the inner peripheral surface thereof is the engaged portion 4c. Slide on the outdoor side of the. When the operating portion 21 is further rotated so that the hanging bracket 22 is engaged with the receiving bracket 4, that is, the crescent 3 is locked, the protrusion 22d of the engaging portion 22c is against the outdoor side surface of the engaged portion 4c. It will be in the engaged state.

  Since the protrusion 22d of the engaging portion 22c is formed so as to be convex toward the rotation center portion 22a of the metal fitting 22, it protrudes toward the indoor side in the locked state of the crescent 3. Become. For this reason, as shown in FIG. 5, the to-be-engaged part 4c of the metal fitting 4 is pressed toward the room inner side, and thereby, the outer shoji 2 can be drawn toward the inner shroud 1 side.

  Further, as described above, the protrusion 22d is formed in an inclined surface shape extending from the root portion to the tip portion of the base portion 22b of the hanging bracket 22 toward the direction away from the rotation center portion 22a of the hanging bracket 22. As shown in FIG. 5, when engaged with the engaged portion 4c of the metal fitting 4, the engaged portion 4c is pressed in an inclined manner toward the closing direction of the outer panel 2. As a result, the inner shoji 1 and the outer shoji 2 can be drawn.

  As described above, the protrusion 22d is provided on the engaging portion 22c of the metal fitting 22, and the protrusion 22d is formed in the shape of an inclined surface, whereby the inner shoji 1 and the outer shoji 2 can be drawn and separated. A load can be applied in the direction in which the airtight material is in close contact with both the outward direction and the opening / closing direction. Therefore, the airtightness between the internal and external shoji 1 and 2 can be stably secured.

  Although the embodiment of the present invention has been described above, the application of the present invention is not limited to this embodiment, and can be applied in various ways within the scope of its technical idea. For example, in this embodiment, the protrusion 22d is formed so as to protrude in an arc shape from the engagement portion 22c, but the shape is not limited to an arc shape. The protrusion 22d is integrally formed by drawing the engaging portion 22c. However, the protrusion 22d is formed by attaching a small piece to the arc-shaped engaging portion 22c. Also good.

  Further, in this embodiment, the receiving metal fitting 4 is provided on the outer shoji 2 and the crescent 3 is provided on the inner shoji 1 so that any shoji can be opened and closed. However, only the inner shoji 1 opens and closes. Alternatively, only the external shoji 2 may be opened and closed. Further, only the inner shoji 1 is provided in the frame body 1, and the glass body 12 is directly placed in the frame body 1 at a position in the expected direction outside where the receiving metal fitting 4 is provided, and the receiving metal fitting 4 is provided on the frame body 1. You may comprise as follows.

DESCRIPTION OF SYMBOLS 1 Inner shoji 2 External shoji 3 Crescent 4 Receptacle 10 Summoning bowl 11 Summoning bowl 12 Glass body 20 Main body part 21 Operation part 21a Rotating shaft 22 Hanging bracket 22a Rotation center part 22b Base part 22c Engagement part 22d Protrusion part 23 Engagement Joint 24 Auxiliary lock

Claims (5)

In the crescent which is provided in the shoji of the sash which is provided with the shoji, and is engaged with and disengaged from the bracket and the shoji is locked.
A main body fixed to the outer peripheral surface of the shoji, an operating section that is rotatably attached to the main body, and a hook that is engaged with and disengaged from the metal fitting as the operating section rotates. Have
The hook has a substantially arcuate engagement portion centered on the rotation axis of the operation portion, and the engagement portion has an inner peripheral surface that abuts against and slides against the support fitting, and the operation portion A crescent having a convex protrusion toward the rotation center side of the hook at a position where it abuts against the bracket while the portion is rotated to the locked state.   The crescent according to claim 1, wherein the protrusion is formed on the hook by drawing.   The crescent according to claim 1, wherein the protrusion protrudes in an arc shape from the engagement portion.   The said protrusion is formed in the inclined surface shape which goes to the direction away from the rotation center of the said metal fitting from the base part with respect to the base of the said metal fitting to the front-end | tip part. The crescent according to item 1. In a sash with a shoji inside the frame,
A receiving bracket is provided at an outer position in the expectation direction, and the shoji is provided with the crescent according to any one of claims 1 to 4, wherein the shoji is engaged with and disengaged from the receiving bracket to lock the shoji. Characteristic sash.

Images