JP2010090640A - Window opening/closing device and window - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a window opening/closing device capable of improving operability and appearance and maintaining windows to high quality. <P>SOLUTION: The window opening/closing device 10 includes a device body 11 fixed to a window frame of the window, and a turnable handle 12 provided at the device body 11. The device body 11 is provided with a rotatable worm 17 to which the handle 12 is mounted; a worm wheel 19 rotating meshed with the worm 17; a connecting rod 30 transmitting the motion of the worm wheel 19 to a movable part of the window; and a worm guide 41 engaged with a shaft part 36 of the worm 17 to restrain the motion of the handle 12. The worm guide 41 can restrain the worm 17 from moving to hang the handle 12 down. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a window opening and closing device used for a joinery and a joinery including the same.

  2. Description of the Related Art Conventionally, a window opening / closing device that opens and closes a window by a handle operation has been used for a fitting such as a louver window or a window (Patent Documents 1 and 2). The window opening / closing device generally includes a worm provided integrally with the handle, a worm wheel that meshes with the worm, and a linkage that operates in conjunction with the worm wheel, and these members are incorporated in the base. It is. And if it is a louver window, this base will be attached to the window frame of joinery, and a continuous frame will be connected with the vertical frame on the window frame side. By operating the handle, the linkage operates, and the glass louver attached to the vertical fence opens and closes.

Japanese Patent Laid-Open No. 9-185425 JP 2002-220969 A

  However, depending on the position after the operation, the operator handle provided in the window opening / closing device rotates by its own weight by the backlash between the worm and the worm wheel, and the knob side hangs downward. Such a movement hinders the operability of the handle and impresses the appearance. Therefore, as a fitting with such a window opening / closing device attached, there is a problem that the quality is impaired. is there.

  An object of the present invention is to provide a window opening and closing device and a fitting capable of improving operability and appearance and maintaining the fitting with high quality.

  A window opening / closing device of the present invention is a window opening / closing device comprising a device main body fixed to a window frame of a joinery and a rotatable handle provided in the device main body, and the device main body includes the handle. A worm wheel that is freely attached to the worm, a worm wheel that meshes with the worm and rotates, a linkage that transmits the movement of the worm wheel to the movable part of the joinery, and a shaft portion of the worm that engages with the worm shaft. And a suppressor for suppressing the movement of the handle.

  According to the present invention described above, since the device main body of the window opening / closing device is provided with the restraining means for suppressing the movement of the handle, even if there is a backlash between the worm and the worm wheel, the corresponding amount It is possible to prevent the handle from moving due to backlash, and to prevent the handle from hanging down. Accordingly, it is possible to improve the operability by suppressing the wobbling of the handle, to improve the appearance, and to maintain high quality.

  In the window opening and closing device of the present invention, the suppression means is provided in an annular shape through which the shaft portion is inserted, and has a contact protrusion that protrudes from the inner peripheral surface toward the center in the radial direction. It is preferable that the projecting portion is in contact with the shaft portion, and the outer peripheral surface is engaged with the base of the apparatus main body over the entire circumferential direction.

  According to such a configuration, the restraining means is provided in an annular shape, the contact protrusion provided on the inner surface of the restraining means is brought into contact with the shaft portion of the worm, and the restraining means itself is also engaged with the pedestal. Without the idling of the means, the movement of the shaft portion can be reliably suppressed by the surface pressure at the time of contact of the contact protrusion, and the structure can also be simplified.

  In the window opening and closing apparatus according to the present invention, an insertion portion that is inserted through a bush into an insertion hole provided in a pedestal of the apparatus main body is provided at the tip of the worm, and the bush is locked to the pedestal. It is preferable that the collar part to be provided is provided.

  According to such a configuration, the bush is provided with the flange portion, and the flange portion is engaged with the pedestal. Therefore, the rotation of the worm to the bush can be suppressed, and the bush and the pedestal are worn. It is possible to prevent the bush from being deformed or the posture of the bush from changing. For this reason, the rotation of the worm does not become tight, and there is no concern that the operability of the handle will be hindered.

  In the window opening and closing device of the present invention, the device body is fixed to the window frame by screws, and a screw cover that covers the screws is detachably attached to the device body, and the screw cover is attached in the mounting direction. A linear guide portion extending along the line and a locking portion for locking the screw cover at the installation completion position are provided, and the screw cover is engaged with and guided by the guide portion of the apparatus main body. It is preferable that a guide portion and a locked portion to be locked to the locking portion are provided.

  According to such a configuration, the screw cover can be easily attached with a one-touch type without being displaced with respect to the apparatus main body. In other words, by engaging the guided part provided on the screw cover with the guide part of the device main body and sliding it in the same direction as the mounting direction of the screw, the screw cover is reliably positioned at the mounting completion position without being displaced. Can do. Moreover, in this attachment completion position, it can attach easily by a one-touch type by latching a mutual latching | locking part and a to-be-latched part.

  The fitting of the present invention is characterized by including the window opening / closing device described above, and the object of the present invention described above can be achieved by including such a window opening / closing device.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an interior perspective view showing a louver window 1 as a fitting according to the present embodiment. FIG. 2 is an internal perspective view in which a part of the louver window 1 is omitted.
The louver window 1 includes a window frame 2 installed at an opening of a building. The window frame 2 has a configuration in which an upper frame 3, a lower frame 4, and a pair of left and right vertical frames 5 each made of an extruded aluminum member are framed around each other.

Inside the window frame 2, a plurality of glass louvers 6 arranged side by side are accommodated in an openable and closable manner. Metal support pieces (louver clips) 7 (only one end side is shown) are attached to the left and right ends of the glass louver 6 via a glass holder 6A. The support piece 7 is rotatably supported by the vertical frame 5 by a rotation shaft 7A, and the support piece 7 provided on one end side (right side in FIGS. 1 and 2) of the glass louver 6 includes a glass holder. A connecting portion 8 that protrudes further indoors than 6A is provided. On the other hand, the vertical frame 5 on the right side of FIGS. 1 and 2 is provided with a vertical rod (connecting rod) 9 as a movable portion that is continuously movable in the vertical direction, and the vertical rod 9 is connected to the connecting portion 8 of the support piece 7. Are rotatably connected.
Therefore, when the vertical rod 9 is lowered, the upper side of the support piece 7 is rotated to the indoor side via the connecting portion 8 and the glass louver 6 is opened. On the contrary, when the vertical rod 9 is raised, the upper side of the support piece 7 is rotated to the outdoor side, and the glass louver 6 is closed.

The opening and closing of the glass louver 6, that is, the vertical movement of the vertical rod 9 is performed by operating the window opening and closing device 10 provided on the indoor side surface of the vertical frame 5.
FIG. 3 is an overall perspective view showing the window opening / closing device 10, and FIG. 4 is an exploded perspective view of the window opening / closing device 10.
The window opening / closing device 10 includes a device main body 11 fixed to the vertical frame 5 and a handle 12 provided rotatably on the device main body 11.

The apparatus main body 11 includes a pair of resin bases 13 (13A, 13B). These pedestals 13 are integrated with each other by four screws 14A. The integrated bases 13A and 13B are fixed to the vertical frame 5 by screws 14B penetrating each other.
Of the four screws 14A, the heads of the three screws 14A are concealed by a circular screw cover 15 fitted into one pedestal 13A, and the head of the remaining one screw 14A conceals the screw 14B. Both are covered by a box-shaped screw cover 16 which is detachably provided.

  One pedestal 13A is provided with an insertion hole 18 (see also FIG. 5) into which the tip of the worm 17 is inserted. The pedestal 13 </ b> A is also provided with a wheel disposition portion 20 for disposing the worm wheel 19 that meshes with the worm 17. An insertion hole 21 through which one of the above-described screws 14A is inserted is formed in the center of the wheel arrangement portion 20. Although not shown, a cylindrical boss portion is provided on the inner surface of the base 13B, and a screw hole into which the screw 14A is screwed is provided in the boss portion. A collar 22 that functions as a rotating shaft of the worm wheel 19 is fitted on the outer periphery of the portion.

  The other pedestal 13B is provided with an insertion portion 23 through which the proximal end side of the worm 17 is inserted, and the proximal end side of the worm 17 is exposed from the insertion portion 23.

  Attachment portions 24 for attaching the screw cover 16 are provided on both ends of the bases 13A and 13B. The attachment portion 24 is provided with a linear engagement groove 25 as a guide portion along the attachment direction of the screw cover 16. On the other hand, a linear engagement protrusion 26 is provided on the inner surface of the screw cover 16 as a guided portion that engages with the engagement groove 25. By sliding the screw cover 16 in the mounting direction while engaging the engaging protrusion 26 with the engaging groove 25, the screw cover 16 can be correctly guided and positioned at the mounting completion position of the mounting portion 24. It should be noted that an engagement protrusion may be provided on the mounting portion 24 and an engagement groove may be provided on the screw cover 16 side, or the engagement groove 25 and the engagement protrusion 26 may be omitted.

  Further, a locking hole 27 as a locking portion is provided on the mounting portion 24 side, and a locking projection 28 as a locked portion to be locked in the locking hole 27 is provided on the inner surface of the screw cover 16. It has been. At the installation completion position of the screw cover 16, the locking projection 28 is locked in the locking hole 27, and the screw cover 16 can be easily attached to the mounting portion 24 by a one-touch type, and the mounting state is maintained well. Note that a locking projection may be provided on the mounting portion 24 side, and a locking hole may be provided on the screw cover side.

  The apparatus main body 11 also has a linkage 30 that is rotatably connected to the arm 29 of the worm wheel 19. The leading end of the linkage 30 is rotatably connected to the vertical rod 9 described above. With such a configuration, when the worm 17 rotates, the worm wheel 19 meshing with the worm 17 rotates, and the arm 29 integral with the worm wheel 19 rotates from the apparatus main body 11, and accordingly, the linkage 30 is rotated. Moves. That is, the rotation of the worm 17 is transmitted to the vertical rod 9 via the worm wheel 19, the arm 29, and the linkage 30.

FIG. 5 is a cross-sectional view of the worm 17 portion of the apparatus main body 11.
A metal-made bottomed cylindrical bush 31 is fitted into the insertion hole 18 of the base 13A. As shown in FIG. 6 in an enlarged manner, the bush 31 is integrally provided with a tongue-like flange 32 on a part of the outer periphery. The flange 32 is locked to a locking step 33 provided near the insertion hole 18. The shape of the bush 31 is not limited to a bottomed cylindrical shape, and may be a cylindrical shape without a bottom, or a cylindrical shape in which a hole is formed in a part of the bottom.

  The worm 17 made of metal is provided with an insertion portion 34, a worm portion 35, a shaft portion 36, and a serration 37 from the distal end side toward the proximal end side. The worm 17 is supported rotatably with respect to the bases 13A and 13B by inserting the insertion part 34 at the tip into the bush 31 and the shaft part 36 being inserted through the insertion part 23 of the base 13B. Yes. Further, the worm portion 35 is located in the bases 13A and 13B, and the serrations 37 protrude outward from the base 13B.

  Here, the bush 31 that receives the insertion portion 34 at the tip has the flange portion 32 that is locked to the locking step portion 33 of the pedestal 13 </ b> A, so that it does not rotate with the rotation of the worm 17. The wear of the insertion hole 18 over time can be suppressed, and the insertion hole 18 can be prevented from being deformed. This prevents the operability from being hindered, such as the movement of the worm 17 being stiff.

  The shaft portion 36 of the worm 17 is provided with a flange 38 at a portion located in the pedestal 13, and the flange 38 is in contact with the inner end surface of the insertion portion 23 via a square washer 39. The position of the worm 17 in the axial direction is regulated by the contact and insertion of the insertion portion 34 into the bush 31.

  By the way, the outer end surface of the insertion portion 23 of the pedestal 13 </ b> B is provided with a concave portion 40 that is recessed toward the back side, and the shaft portion 36 of the worm 17 is inserted corresponding to the center of the concave portion 40. As shown in an enlarged view in FIG. 7, the shape of the concave portion 40 is a substantially square shape with corners formed in a round shape, and protrusions 40 </ b> A are formed at two opposing locations on the inner periphery thereof. In the concave portion 40, an annular worm guide 41 having a predetermined thickness and having an outer shape substantially the same as the inner peripheral shape of the concave portion 40 is fitted.

FIG. 8 is a plan view showing a single worm guide 41 as a restraining means.
On the inner circumference of the annular worm guide 41, contact protrusions 42 projecting toward the center in the radial direction are provided at a plurality of circumferential locations (three locations in the present embodiment) at equal circumferential intervals. The contact protrusion 42 is in contact with the outer peripheral surface of the shaft portion 36 with an appropriate surface pressure, and suppresses the rotation of the worm 17 and, in turn, the rotation of the handle 12 attached to the worm 17. In addition, on the outer periphery of the worm guide 41, two recesses 41 </ b> A that fit into the two protrusions 40 </ b> A of the recess 40 are formed.

  Such a worm guide 41 is made of a resin, and is preferably a thermoplastic acetal resin typified by polyacetal. Other materials that can be used include thermoplastic resins such as polycarbonate, polypropylene, and polyethylene, and fluororesins such as tetrafluoroethylene.

  The handle 12 fitted into the serration 37 of the worm 17 is made of aluminum die casting, and as shown in FIG. 4, the base end is in contact with the outer end surface (worm guide 41) of the insertion portion 23 via the round washer 43. . A handle shaft 44 is integrally formed at the tip of the handle 12. The handle shaft portion 44 has an engaging step portion 45.

  A cylindrical knob collar 46 is inserted into the handle shaft portion 44, and a claw portion 47 provided on the knob collar 46 is rotatably engaged with the engagement step portion 45. Further, the knob collar 46 is covered with a hollow knob 48, and an engagement annular portion 49 provided on the knob collar 46 is engaged with the inner surface of the knob 48. Thereby, the knob 48 is rotatably attached to the handle 12. Therefore, when the handle 12 is rotated by pinching the knob 48, the rotation is transmitted from the handle 12 to the worm 17, and finally the glass louver 6 can be opened and closed as described above.

  The structure for attaching the knob 48 to the handle 12 is not limited to the structure described above, and may be the structure shown in FIG. In FIG. 9, an engaging pin 50 is erected on the handle 12 and is prevented from being removed by a washer 51. A knob collar 46 is rotatably inserted into the engagement pin 50, and the knob collar 46 is prevented from being detached at the head of the engagement pin 50. The engaging annular portion 49 of the knob collar 46 engages with the inner surface of the knob 48.

  According to the present embodiment described above, the device main body 11 of the window opening / closing device 10 is provided with the worm guide 41 that suppresses the movement of the worm 17 and thus the movement of the handle 12. Even if there is a backlash between the two, it is possible to suppress the handle 12 from moving with that amount of play, and to prevent the handle 12 from hanging down. Therefore, it is possible to improve the operability by suppressing the wobbling of the handle 12, and to improve the appearance and maintain the high quality.

The best configuration, method, and the like for carrying out the present invention have been disclosed above, but the present invention is not limited to this.
For example, although the louver window 1 has been described in the above embodiment, the joinery of the present invention is not limited to this, and may be a window that opens. And, in the case of a vertical extension window, the linkage provided in the window opening and closing device is connected to a lower fence constituting a shoji as a movable part, or in the case of a horizontal extension window, the linkage is a hook of the shoji. It is connected. Further, even when the louver window is used, the material of the louver is arbitrary, and in addition to the present embodiment provided with the glass louver 6, resin, wood, metal, resin containing wood powder, etc. It may be decided.

In the above-described embodiment, the annular worm guide 41 is attached to the base 13B side. However, the annular worm guide is integrally attached to the shaft portion of the worm by a two-surface width or the like. A contact protrusion protruding outward in the direction may be provided, and this contact protrusion may be brought into contact with the inner surface of the insertion hole for inserting the shaft portion of the base. Further, the worm guide may be provided corresponding to the vicinity of the insertion portion at the tip in addition to the worm guide provided corresponding to the shaft portion.
Also, accessory parts such as the screw cover 15 and the round washer 43 can be omitted as appropriate.

  In the above embodiment, the annular worm guide 41 is provided. However, the worm may be pressed using an elastic leaf spring or the like, thereby suppressing the movement of the worm.

The interior view perspective view which shows the fitting concerning one Embodiment of this invention. The inside view perspective view which abbreviate | omits and shows a part of said fitting. The whole perspective view showing a window opening and closing device. The disassembled perspective view which shows a window opening / closing apparatus. Sectional drawing of the worm | warm part of an apparatus main body. The perspective view which expands and shows a bush. The enlarged view which expands and shows the principal part of an apparatus main body. The top view which expands and shows a worm guide. The disassembled perspective view which shows the modification of a handle | steering-wheel.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Louver window which is joinery, 2 ... Window frame, 9 ... Vertical gutter which is movable part, 10 ... Window opening and closing device, 11 ... Apparatus main body, 12 ... Handle, 13, 13A, 13B ... Base, 14B ... Screw, 16 DESCRIPTION OF SYMBOLS ... Screw cover, 17 ... Worm, 18 ... Insertion hole, 19 ... Worm wheel, 25 ... Engagement groove which is a guide part, 26 ... Engagement protrusion which is a to-be-guided part, 27 ... Locking hole which is a latching part, 28: Locking projection as a locked portion, 30: Linkage, 31 ... Bush, 32 ... Bushing portion, 34 ... Insertion portion, 36 ... Shaft portion, 41 ... Warm guide as restraining means, 42 ... Contact projection .

Claims (5)

A window opening / closing device comprising a device main body fixed to a window frame of a joinery and a rotatable handle provided in the device main body,
In the device body,
A rotatable worm to which the handle is attached;
A worm wheel that meshes with the worm and rotates;
A linkage that transmits the movement of the worm wheel to the movable part of the joinery,
A window opening / closing device, comprising: a restraining means that engages with the shaft portion of the worm to suppress movement of the handle.   The suppression means is provided in an annular shape through which the shaft portion is inserted, and has a contact protrusion that protrudes from the inner peripheral surface toward the center in the radial direction, and the contact protrusion contacts the shaft portion. The window opening and closing device according to claim 1, wherein the outer peripheral surface engages with the base of the device main body over the entire circumferential direction.   At the tip of the worm, there is provided an insertion portion that is inserted through a bush into an insertion hole provided in the base of the apparatus body, and the bush is provided with a collar portion that is locked to the base. The window opening and closing apparatus according to claim 1 or 2.   The device main body is fixed to the window frame with screws. A screw cover that covers the screws is detachably attached to the device main body, and a linear guide portion along the mounting direction of the screw cover. And a locking portion to which the screw cover is locked at the mounting completion position. The screw cover includes a guided portion that is guided by being engaged with a guide portion of the apparatus main body, and the locking portion. The window opening / closing apparatus in any one of Claims 1-3 with which the to-be-latched part latched by is provided.   A joinery comprising the window opening and closing device according to any one of claims 1 to 4.

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