JP2010116742A - Operating implement for attached metal fitting for window - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an operating implement which enables the operation of switching an attached metal fitting for a window to be smoothly performed by properly maintaining the connecting state of a switching knob to a connecting pin. <P>SOLUTION: The connecting pin 26 provided in the attached metal fitting 4 for the window is equipped with an engaging shank 35 and a flange 36. The operating implement 10 connected to the connecting pin 26 comprises a knob arm 40, a knob body 41, a lock body 42, etc. The knob arm 40 is provided with a connecting hole 48 which is insertion-engaged with the engaging shank 35. A plate surface of the lock body 42 is provided with a lock hole 61 for being engaged with the flange 36. The lock body 42 can be shifted in its position between a locking attitude for engaging the lock hole 61 with the flange 36 and an unlocking attitude for disengaging the lock hole 61 from the flange 36, and locking is urged by a lock spring 43. In a state in which the connecting hole 48 is engaged with the engaging shank 35, the lock hole 61 of the lock body 42 is engaged with the flange 36, so as to lock-hold the operating implement 10 in an unshaky state. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an operating tool for switching and operating a window fitting such as a ventilation stay.

  This type of operation tool is disclosed in Patent Document 1 according to the proposal of the present applicant. In order to prevent tampering, the switching knob (operating tool) can be attached to and detached from the connecting pin provided on the slider of the ventilation stay to prevent the window from being fully opened due to tampering or the like. As shown in FIG. 15 and FIG. 16, the switching knob 90 includes a knob arm 91 that is bent in a step shape using a stainless thin plate as a material, and a knob body 92 that is fixed to the end of the knob arm 91 on the indoor side. It is.

  The knob arm 91 includes an arm portion 93 that crosses the seal gap between the window and the opening frame inward and outward, an engagement seat 94 that is bent from one end of the arm portion 93 toward the outdoor side, and the other end of the arm portion 93. And a fastening seat 95 that is bent toward the indoor side. A pair of connecting holes 96 are opened in the seating surface of the engaging seat 94, and these connecting holes 96 are inserted into and engaged with connecting pins 26 provided in the slider 25 of the ventilation stay, whereby the switching knob 90 and the slider are connected. 25 is integrated. The slider 25 and the check arm 8 in this state can be slid up and down with the switching knob 90 to switch between a state in which ventilation can be opened and a state in which full ventilation can be opened. The switching knob 90 in the normal state is removed from the connecting pin 26 and stored in another place.

  As shown in FIG. 15, the connecting pin 26 includes a shaft portion 34 that penetrates the slider 25, an engagement shaft portion 35 that is exposed on the outer surface of the slider 25, and a flange 36 that projects from the outer end of the engagement shaft portion 35. The operation plate 20 for sliding the check arm 8 is caulked and fixed to the slider 25. The connection hole 96 provided in the engagement seat 94 of the switching knob 90 enters the gap between the flange 36 and the outer surface of the slider 25 and engages with the engagement shaft portion 35. The engagement seat 94 in this engaged state is in close contact with the outer surface wall of the slider 25.

JP 2001-288949 A (paragraph number 0021, FIG. 1)

  In the ventilation stay described above, the connection hole 96 provided in the engagement seat 94 is inserted and engaged with the connection pin 26 provided in the slider 25, and the mounting state of the switching knob 90 is maintained by the spring action of the engagement seat 94. It was. For this reason, when the protrusion dimension H of the flange 36 from the slider surface varies, or when the bending angle of the engagement seat 94 or the dimension of the connection hole 96 varies, the engagement seat 94 is connected to the connection pin 26. On the other hand, it may not be properly connected. For example, it may be difficult to insert and engage the connecting hole 96 with the connecting pin 26, or when the slider 25 is switched up and down with the switching knob 90, the switching knob 90 may fluctuate.

  An object of the present invention is to provide an operating tool capable of smoothly switching an attachment for a window while maintaining a proper connection state of a switching knob to a connecting pin. An object of the present invention is also applied to an existing metal fitting for a window that uses a switching knob, and provides an operation tool capable of smoothly attaching and detaching the switching knob and switching the metal fitting for a window using the switching knob. It is in.

  The present invention relates to the operation tool 10 that can be attached to and detached from the connecting pin 26 provided on the window fitting 4. The connection pin 26 includes an engagement shaft portion 35 exposed on the outer surface of the attachment metal fitting 4 and a flange 36 protruding from the engagement shaft portion 35. The operating tool 10 includes a knob arm 40 made of a metal plate having a connection hole 48 inserted and engaged with the engagement shaft portion 35 of the connection pin 26, a knob body 41 fixed to one end of the knob arm 40, a knob And a lock body 42 attached to the arm 40. A lock hole 61 that engages with the flange 36 of the connecting pin 26 is provided on the plate surface of the lock body 42. The lock body 42 can be displaced between a lock posture in which the lock hole 61 is engaged with the flange 36 and a lock release posture in which the lock hole 61 is separated from the flange 36, and is urged to return to the lock posture by the lock spring 43. It is. Therefore, in a state where the connection hole 48 of the knob arm 40 is engaged with the engagement shaft portion 35 of the connection pin 26, the lock hole 61 of the lock body 42 can be engaged with the flange 36 to lock the operation tool 10. Features.

  Specifically, a plurality of connecting pins 26 are provided on the accessory fitting 4. The lock body 42 is formed of a leaf spring so that the lock body 42 also serves as the lock spring 43. The knob arm 40 includes an engagement seat 45 that circumscribes the outer surface of the attachment fitting 4 and an arm portion 46 that is continuously bent at one side end of the engagement seat 45. A plurality of connecting holes 48 that engage with the connecting pin 26 are formed from the adjacent corners of the engaging seat 45 and the arm portion 46 to the surface wall of the engaging seat 45. The lock body 42 includes a lock seat 58 and a lock arm 59 that are bent along the engagement seat 45 and the arm portion 46, and an operation unit 60 that operates to unlock the lock body 42. A lock hole 61 that engages with the flange 36 is formed in the lock seat 59. The periphery of the lock seat 59 is attached to the engagement seat 45.

  An opening 50 is formed in the plate surface of the arm portion 46 that crosses the seal gap E in and out. A step portion 67 and a wide arm portion 66 that fit into the opening 50 are formed on the lock arm 59.

  The fastening seat 47 of the knob arm 40 is screwed to the knob body 41. The operation portion 60 of the lock body 42 is accommodated in the recess 53 provided in the knob body 41.

  A guide claw 62 that guides the flange 36 toward the lock hole 61 is folded and formed on the periphery of the lock seat 58 facing the engagement start end of the connection hole 48. An operation window 68 is opened on the plate surface of the lock arm 59.

  A screw hole 71 is formed in the plate surface of the concave wall of the operation portion 60 formed to be bent in a U-shaped cross section. In a state where the operating tool 10 is connected to the connecting pin 26 and the lock body 42 is switched to the locked position, a screw inserted through the screw hole 71 is screwed into the knob body 41 to separate the lock body 42 from the connection pin 26. Fix impossible.

  Specifically, a plurality of connecting pins 26 are provided on the accessory fitting 4. The lock body 42 is formed of a leaf spring so that the lock body 42 also serves as the lock spring 43. The knob arm 40 includes an engagement seat 45 that circumscribes the outer surface of the attachment fitting 4 and an arm portion 46 that is continuously bent at one side end of the engagement seat 45. A plurality of connecting holes 48 that engage with the connecting pin 26 are formed from the adjacent corners of the engaging seat 45 and the arm portion 46 to the surface wall of the engaging seat 45. The lock body 42 includes a lock seat 58 having a peripheral portion attached to the engagement seat 45 and joined to the engagement seat 45. A plurality of recessed lock holes 61 that engage with the flange 36 and guide claws 79 that guide and introduce the flange 36 toward the lock hole 61 are formed in the lock seat 58.

  In the present invention, the knob 10 having the connecting hole 48, the knob body 41 fixed to one end of the knob arm 40, the lock body 42 attached to the knob arm 40, the lock spring 43, etc. Configured. Accordingly, in a state where the connecting hole 48 of the knob arm 40 is engaged with the engaging shaft portion 35 of the connecting pin 26, the lock hole 61 of the lock body 42 engages with the flange 36, and the operating tool 10 is connected to the connecting pin 26. The lock can be held. As described above, according to the operation tool 10 including the lock body 42, the operation tool 10 connected to the connection pin 26 is wobbled or separated from the connection pin 26 by the engagement of the lock hole 61 and the flange 36. Therefore, the operation tool 10 and the connection pin 26 can be maintained in an appropriate connection state, so that the switching operation of the window fitting 4 can be performed smoothly.

  Further, unlike the conventional operation tool in which it is necessary to maintain the mounting state of the switching knob by the frictional force of the switching knob, the connecting pin and the slider, in the present invention, the lock hole 61 and the flange 36 are engaged. Thus, the proper connection state of the operation tool 10 is maintained. Therefore, it is not necessary to maintain the proper connection state of the operating tool by forcibly inserting and engaging the connection hole with the engagement shaft portion to exert a large frictional force, and the knob arm 40 can be easily attached to the connection pin 26. Can be done. Furthermore, the operation tool 10 can be easily detached from the connecting pin 26 by performing the unlocking operation of the lock body 42. When the structure, dimensions, and arrangement dimensions of the connecting pin 26 to be operated are the same as those of the conventional window accessory 4, the existing window accessory is provided with the operation tool 10 having the lock body 42. 4 can be applied as it is, and the operation tool 10 can be attached and detached and the switching operation of the window accessory 4 by the operation tool 10 can be performed smoothly.

  In the case where a plurality of connecting pins 26 are provided on the accessory metal fitting 4, the knob arm 40 is constituted by the engaging seat 45 having a plurality of connecting holes 48 and the arm portion 46, and the like. According to the operation tool 10 in which the lock body 42 is configured by the lock seat 58 and the lock arm 59 bent along the 46 and the operation unit 60 for releasing the lock, the operation tool 10 and the connection pin 26 are more firmly connected. it can. This is because the plurality of connecting holes 48 can be simultaneously engaged with the engaging shaft portions 35 of the plurality of connecting pins 26, and at the same time, the plurality of lock holes 61 provided in the lock seat 59 can be engaged with the flange 36.

  Further, if the lock body 42 is formed of a leaf spring and the lock body 42 also serves as the lock spring 43, it is not necessary to provide the lock spring 43 separately, so that the structure of the operation tool 10 can be simplified accordingly. Furthermore, by providing the lock body 42 with the operation unit 60 for releasing the lock, the structure of the lock body 42 can be simplified, and the cost required for manufacturing the operation tool 10 can be reduced as a whole by omitting the processing and assembly. . Since the operation portion 60 is provided continuously to the lock arm 59, the unlocking operation by the operation portion 60 is reliably transmitted to the lock arm 59 and the lock seat 58, and the engagement state between the lock hole 61 and the flange 36 is reliably released. it can. When the arm portion 46 of the knob arm 40 is the operation tool 10 that crosses the seal gap E between the window 2 and the opening frame 1, the lock seat 58 and the lock arm 59 are moved along the engagement seat 45 and the arm portion 46. By bending, the total thickness of the arm part 46 and the lock arm 5 crossing the seal gap E can be reduced, and the amount of deformation of the seal body S can be reduced by that amount, thereby preventing a decrease in durability.

  When the opening 50 is formed in the plate surface of the arm portion 46 that crosses the seal gap E inward and outward, and the stepped portion 67 and the wide arm portion 66 that fit into the opening 50 are formed in the lock arm 59, the lock body 42 is turned into the knob. In the state assembled to the arm 40, the stepped portion 67 and the wide arm portion 66 can be accommodated within the thickness range of the opening 50. Therefore, since the thickness of the portion crossing the seal gap E described above can be reduced only to the thickness of the knob arm 40, the deformation amount of the seal body S can be further reduced and the durability can be improved.

  According to the operation tool 10 in which the fastening seat 47 of the knob arm 40 is screwed to the knob body 41 and the operation portion 60 of the lock body 42 is accommodated in the recess 53 provided in the knob body 41, the lock body 42 is added. Nevertheless, the outer shape of the operation tool 10 in the periphery of the knob body 41 can be made almost the same as that of the conventional operation tool. Therefore, compared with the case where the operation unit 60 is provided on the outer surface of the knob body 41, it is not necessary to greatly change the structure and shape of the knob body 41 and its peripheral part, and the structure of the conventional knob body 41 is partially changed. The lock body 42 can be added to such an extent that the cost required for adding the lock function can be reduced. Further, since the lock body 42 can be unlocked while the knob body 41 is held, the knob body 41 can be easily removed with only one hand.

  According to the operation tool 10 in which a guide claw 62 is formed by folding around the periphery of the lock seat 58 facing the engagement start end of the connecting hole 48, and the flange 36 is introduced and guided toward the lock hole 61 by the guide claw 62, the lock The flange 36 can be introduced and guided between the lock seat 58 and the engagement seat 45 by the guide claw 62 while reliably preventing the seat 58 from getting into the engagement shaft portion 35 side. Therefore, the connection of the operation tool 10 to the connection pin 26 can be further simplified and ensured. Further, by opening the operation window 68 on the plate surface of the lock arm 59, the lock body 42 can be unlocked by operating the operation window 68 while holding the knob body 41. In this case as well, the knob body can be unlocked. 41 can be easily removed with only one hand.

  When a plurality of connecting pins 26 are provided on the accessory metal fitting 4, the knob arm 40 is constituted by the engaging seat 45 having a plurality of connecting holes 48 and the arm portion 46, and joined to the engaging seat 45. According to the operation tool 10 which comprises the lock body 42 by the lock seat 58 and has a plurality of recessed lock holes 61 engaged with the flange 36 in the lock seat 58, as in the operation tool described above, The operation tool 10 and the connection pin 26 can be connected more firmly.

  A screw hole 71 is formed in the plate surface of the concave wall of the operation section 60, and the screw 10 inserted into the screw hole 71 is screwed into the knob body 41 and fixed in a state where the lock body 42 is switched to the lock posture. Accordingly, the lock body 42 can be fixed so as not to be unlocked. Therefore, the lock body 42 can be fixed to the connecting pin 26 so as not to be separated, and the operating tool 10 can be always attached to the accessory fitting 4.

  The lock body 42 having the recess-like (bottomed hole-like) lock hole 61 maintains the engaged state between the lock hole 61 and the flange 36 by the elastic force of the lock seat 58 formed of a leaf spring. By applying an external force exceeding the elastic force of the lock seat 58 to the tool 10, the engagement state between the lock hole 61 and the flange 36 can be released. Therefore, it is not necessary to provide a separate unlocking structure, and the structure of the lock body 42 can be simplified correspondingly, and the operating tool 10 can be reduced in cost. The operation of removing the operation tool 10 from the connecting pin 26 can also be simplified. Further, according to the operation tool 10 in which the guide claw 79 is formed on the lock seat 58 and the flange 36 is introduced and guided toward the lock hole 61 by the guide claw 79, the guide claw 79, the lock hole 61 can be reliably engaged with the flange 36. Therefore, the connection of the operation tool 10 to the connection pin 26 can be further simplified and ensured.

(Example) FIGS. 1-10 shows the Example which applied this invention to the operating tool of the ventilation stay. In FIG. 2, reference numeral 1 is an opening frame made of aluminum sash, and reference numeral 2 is a window. The window 2 is supported by a pair of upper and lower hinges 3 fixed to the opening frame 1 so as to be swingable and openable. When the window 2 is closed, the window 2 can be fixedly held in the closed position with a lock (not shown). In order to release the operation window 2 in the closed state to the ventilation position and the fully open position, the ventilation stay 4 (attached to the window) is provided in the joint gap between the window vertical frame on the swinging tip side of the window 2 and the opening frame 1. (Metal fittings) are arranged.

  In FIG. 3, the ventilation stay 4 includes a base 6 fixed to the opening frame 1 by screws, a check arm 8 supported by a support shaft 7 fixed to the base 6 so as to be swingable inward and outward of the opening frame 1, and a window 2. A latch pin 9 fixed to the vertical frame of the window, a switching structure for switching the check arm 8 between a standby position and an operating position, a switching knob (operating tool) 10 for operating the switching structure from the indoor side, and the like. As shown in FIGS. 4 and 5, the base 6 is made of an extruded material made of aluminum having a guide groove 12 having a C-shaped cross section on one side and a plate-like wall 13 on the other side. A cutout portion 14 that allows a stopper pin 23 (described later) to enter and exit is formed on the edge of the plate-like wall 13 on the outdoor side (see FIG. 3). The switching knob 10, the check arm 8, the slider 25, and the like are integrally assembled with the base 6. The base 6 is fixed to the opening frame 1 by fastening the upper and lower portions of the plate-like wall 13 with screws.

  In FIG. 3, the check arm 8 is formed of a press-formed product made of a stainless steel plate, and is provided with a slide groove 15 slidably guided by the support shaft 7 on the plate surface near the upper end thereof. A swing hole 16 having a diameter larger than the width is provided. A compression coil-shaped spring 22 is arranged around the support shaft 7 (see FIG. 5), and the swing base end side of the check arm 8 is urged to move away from the base 6 by the spring 22. . The upper half side of the check arm 8 is formed to have a constant width, while the lower half side is formed wider than the upper half side, and further formed into a constricted shape. A recess 17 for receiving the latch pin 9 is bent between the upper half and the lower half, and the connecting groove that engages with the latch pin 9 from the step wall 18 facing the recess 17 toward the lower end of the arm. 19 is installed. An engagement pin 24 that is slid by the operation plate 20 is caulked and fixed to the upper portion of the arm plate surface of the check arm 8, and a stopper pin 23 is caulked and fixed to the middle portion of the arm plate surface.

  The connecting groove 19 includes a groove opening 19a formed on the step wall 18 side, an introduction groove 19b at the upper end continuous to the groove opening 19a, and an inverted J-shaped main groove 19c. The groove opening 19 a is formed to be slightly wider than the diameter of the flange portion at the protruding end of the latch pin 9, and the other groove portions 19 b and 19 c are formed to be slightly wider than the diameter of the shaft portion of the latch pin 9. A spring plate 21 that elastically engages and holds the latch pin 9 when ventilating is open is fixed by caulking and facing the end of the connecting groove 19.

  As shown in FIGS. 4 and 5, the switching structure includes a base 6, a slider 25 that is inserted into the guide groove 12 of the base 6 and guided to be slidable up and down, and is fixed by caulking to the slider 25 with a connecting pin 26. And the switching knob 10 that is detachably attached to the connecting pin 26. The slider 25 is made of a plastic molded product obtained by integrally molding a slide portion 25a having a cross-sectionally shaped letter shape that is slid and guided in the guide groove 12 and a cover wall 25b that covers the outer surfaces of the base 6 and the check arm 8.

  As shown in FIGS. 6 and 7, a recess 30 is provided on the surface of the cover wall 25 b located on the outer surface of the slide portion 25 a, and a groove 31 for assembling the previous operation plate 20 on one side edge of the recess 30. Is open. The operation plate 20 is made of a press-molded product obtained by bending a stainless thin plate stepwise, and an operation groove for sliding the check arm 8 on the surface wall of the base 6 facing the plate-like wall 13 via the engagement pin 24. 32 is formed (see FIG. 4). The check arm 8 and the engagement pin 24 swing inward and outward about the support shaft 7. In order to allow this swinging operation, the operation groove 32 corresponds to the swinging locus of the engagement pin 24. It is formed in an arc shape and its groove end is open. The operation plate 20 is integrated with the slider 25 by caulking and fixing the plate surface of the operation plate 20 exposed to the recess 30 via the groove 31 to the slider 25 with the connecting pin 26.

  As shown in FIG. 6, the connecting pin 26 includes a shaft portion 34 that penetrates the slider 25, an engagement shaft portion 35 that is exposed on the outer surface of the slider 25, and a flange 36 that projects from the outer end of the engagement shaft portion 35. And integrated. The shaft end of the shaft portion 34 is caulked in a state where the shaft portion 34 is inserted through the operation plate 20, the slider 25, and the steel plate contact plate 37. In this fixed state, the end surface of the flange 36 on the engagement shaft portion 35 side protrudes from the peripheral wall 38 surrounding the opening edge of the recess 30 by the dimension H. This protrusion dimension H is set to be the same as or slightly smaller than the thickness dimension of an engagement seat 45 of the knob arm 40 described later. The switching knob 10 is detachably attached to the engaging shaft portion 35 using the connecting pin 26.

  In FIG. 7, the switching knob 10 includes a knob arm 40 formed by bending a thin stainless steel plate having a thickness of 0.5 mm in a step shape, a knob body 41 fixed to one end of the knob arm 40, and a lock attached to the knob arm 40. The body 42 and the lock spring 43 are used. The knob arm 40 includes an engagement seat 45 joined to the peripheral wall 38 of the recess 30, an arm portion 46 that is continuously bent to one end of the engagement seat 45, and an engagement seat from the end of the arm portion 46. 45 and a fastening seat 47 that is bent in the opposite direction.

  A connection hole 48 that engages with the previous connection pin 26 is formed from the adjacent corner of the engagement seat 45 and the arm portion 46 to the surface wall of the engagement seat 45, and further, the outer side portion of the engagement seat 45. A pair of connecting portions 49 bulges along. The connection hole 48 includes a tunnel cross-sectional engagement hole 48a formed on the side of the engagement seat 45, and a horizontally-long rectangular cutout 48b formed in the base of the arm portion 46 continuously to the engagement hole 48a. It is configured. An opening 50 is formed in the plate surface of the arm portion 46. The arm portion 46 in the use state crosses the seal gap E between the swing tip of the window 2 and the seal body S attached to the opening frame 1 inward and outward (see FIG. 5).

  The knob body 41 is formed of a rectangular parallelepiped plastic molded product, and the knob arm 40 is integrated by fastening the preceding fastening seat 47 with a screw 52 in a fastening recess on the lower surface side thereof. A recess 53 that opens toward the window 2 is formed inside the knob body 41, and a notch 54 for assembling the lock body 42 is formed in the opening edge. A finger hook portion 55 that is gently recessed is formed on the upper and lower peripheral surfaces of the knob body 41, and an indicator 56 that indicates a switching position is provided on the outer surface. A strap 73 is attached to the knob body 41 (see FIG. 7).

  The lock body 42 is made of a stainless steel plate having a thickness of 0.3 mm thinner than that of the knob arm 40, and the lock body 58 and the lock arm are bent along the engagement seat 45 and the arm portion 46 of the knob arm 40. 59 and an operation unit 60 which is bent at the end of the lock arm 59 are integrally provided. The lock body 42 of this embodiment also serves as the lock spring 43 itself. A circular lock hole 61 that engages with the flange 36 of the connecting pin 26 is formed in the lock seat 58, and a pair of guide claws 62 are obliquely bent at an adjacent edge with the lock arm 59. Further, an engaging claw 63 that is inserted into and engaged with the connecting portion 49 described above is formed at the free end periphery of the lock seat 58.

  The lock arm 59 includes a narrow arm base portion 65 that is continuously bent to the lock seat 58 and a wide arm portion 66 that is continuous to the arm base portion 65. Is formed. The step size of the stepped portion 67 is matched with the thickness size of the knob arm 40. Further, the width dimension of the wide arm portion 66 is set slightly smaller than the width dimension of the opening 50 provided in the knob arm 40, and an operation window 68 is opened on the plate surface. The operation unit 60 is formed by bending in a U-shaped cross section, and includes an operation wall 70 for hooking a fingertip on the end. A screw hole 71 is formed at the center of the plate surface of the concave wall adjacent to the operation wall 70.

  The lock body 42 can be integrated with the knob arm 40 by inserting and engaging the pair of engaging claws 63 into the connecting portion 49. In this state, the lock seat 58 of the lock body 42 is in close contact with the engagement seat 45 of the knob arm 40 (see FIG. 6), and the entire operation portion 60 is accommodated in the recess 53 of the knob body 41. Further, the wide arm portion 66 is fitted in the opening 50 and is located within the thickness range of the opening 50. Therefore, by adding the lock body 42, it is possible to prevent the thickness of the arm portion 46 crossing the seal gap E between the swinging tip of the window 2 and the opening frame 1 from increasing by the thickness of the lock body 42.

  The lock body 42 has a lock posture (state shown in FIG. 6) in which the lock seat 58 is in close contact with the engagement seat 45 and a lock release posture (state shown in FIG. 10) in which the lock seat 58 is lifted away from the engagement seat 45. The lock body 42 is moved from the locked position to the unlocked position by pulling the operation wall 70 with a finger or by pulling the operation window 68 toward the knob body 41 with a finger or screwdriver. Can be switched. When the external force applied to the operation wall 70 or the operation window 68 is released, the lock body 42 returns to the locked posture by its own elasticity.

  The switching knob 10 configured as described above is normally stored in a predetermined place, and the switching knob 10 is connected to the connecting pin 26 when the window 2 is opened to the ventilation open position or the fully open position. Thus, the check arm 8 can be switched up and down. When connecting the switching knob 10 to the connecting pin 26, after opening the window 2, the engaging seat 45 is circumscribed to the cover portion 25 b of the slider 25, and the notch 48 b of the connecting hole 48 is applied to the flange 36. By sliding the switch knob 10 against the cover portion 25b, the connecting hole 48 of the knob arm 40 can be inserted into and engaged with the engaging shaft portion 35. At the same time, the lock hole 61 of the lock body 42 is removed from the flange 36. It can be engaged. FIG. 1 and FIG. 9 show a state where the connection is completed in this way.

  In the above connected state, the peripheral wall of the engagement seat 45 is received by the peripheral wall 38 of the recess 30, and the peripheral wall of the connection hole 48 is slightly bent and deformed by the end wall of the flange 36 on the engagement shaft portion 35 side. Has been. That is, the engagement seat 45 generates deformation stress due to its own elasticity, and therefore, the peripheral wall of the engagement seat 45 can be brought into close contact with the peripheral wall 38 of the recess 30. In addition, the lock body 42 is engaged with the lock hole 61 on the base end portion side of the flange 36 with the lock seat 58 in close contact with the engagement seat 45 as shown in FIG. Therefore, the switching knob 10 can be securely fixed to the connecting pin 26 without any room for wobbling in the entire circumferential direction. Further, as shown in FIG. 1, the arm portion 46 of the knob arm 40 locally presses and deforms the seal body S to cross the seal gap E inward and outward, and the wide arm portion 66 of the lock arm 59 is It enters the inside of the opening 50 provided in the portion 46. Therefore, in spite of the addition of the lock body 42, the amount of elastic deformation of the seal body S can be made equivalent to that of the conventional switching knob, and the deterioration of the seal body S can be avoided as much as possible.

  The ventilation stay 4 can slide the check arm 8 to the lower standby position and the upper operation position by switching the switching structure up and down with the switching knob 10. When the check arm 8 is in the standby position (the state shown in FIG. 4), the latch pin 9 fixed to the window 2 can go in and out of the recess 17 so that the window 2 is directly opened from the fully closed state. it can. Further, since the opposite side portion of the support shaft 7 is engaged with the slide groove 15, the check arm 8 cannot swing around the support shaft 7. The swing of the check arm 8 is also restricted by the stopper pin 23 positioned below the notch 14.

  When the switching knob 10 is slid upward from the standby position, the check arm 8 slides along, and the support shaft 7 enters the swing hole 16 and the stopper pin 23 faces the notch 14 as shown in FIG. Thus, the check arm 8 is switched to a swingable state. Further, the introduction groove 19b of the connecting groove 19 of the check arm 8 is fitted onto the latch pin 9, and the check arm 8 and the latch pin 9 are engaged with each other. In this state, when the window 2 is opened as shown in FIG. 3, the check arm 8 moves along with the latch pin 9 and swings outward, and the latch pin 9 moves to the far end of the connecting groove 19. After that, it is clamped by the spring plate 21 and is held at the ventilation opening position.

  When the window 2 located at the ventilation opening position is closed, the window frame surface on the indoor side at the swinging tip of the window 2 comes into close contact with the seal body S as shown in FIG. Even in this state, the switching knob 10 can be slid to switch the check arm 8 to the standby position. When removing the switching knob 10, after opening the window 2, a fingertip is applied to the operation wall 70 or the operation window 68 to pull the lock body 42 toward the knob body 41. As a result, the lock seat 58 floats obliquely away from the engagement seat 45 with the protruding end of the engagement claw 63 as a fulcrum, and most of the lock hole 61 comes out of the flange 36 as shown in FIG. In this state, when the switching knob 10 is slid in the direction away from the connecting pin 26, the connecting hole 48 of the knob arm 40 is separated from the engaging shaft portion 35, so that the switching knob 10 can be removed.

  According to the switching knob 10 configured as described above, even if the protrusion dimension H of the flange 36 varies, the switching knob 10 can always be properly connected to the connecting pin 26 and the switching knob 10 can be connected in the connected state. It can prevent wobble. Therefore, the switching operation of the ventilation stay 4 by the switching knob 10 can be performed smoothly and accurately. Further, the switching knob 10 attached to the connecting pin 26 can be easily removed from the connecting pin 26 and stored in a predetermined place by unlocking the lock body 42.

  Since the structure, dimensions, and arrangement dimensions of the connecting pin 26 are the same as those of the conventional ventilation stay, the switching knob 10 having the lock body 42 can be applied to an existing ventilation stay as it is. 10 can be smoothly attached and detached and the switching operation of the ventilation stay by the switching knob 10 can be performed smoothly. Note that the switching knob 10 attached to the connecting pin 26 can be made unremovable. In this case, a screw inserted in a screw hole 71 provided in the operation unit 60 is provided under a screw provided in the recess 53 of the knob body 41. The lock body 42 is screwed into the hole so that the lock body 42 cannot be unlocked. That is, the lock body 42 can be fixed to the connecting pin 26 so as not to be separated.

  11 and 12 show another embodiment of the switching knob 10 according to the present invention. In this case, the lock body 42 is formed of a leaf spring as in the above embodiment, and the lock body 42 also serves as the lock spring 43. The lock body 42 includes a lock seat 58 having the same size and the same size as the engagement seat 45. The lock seat 58 is formed by bending a fastening wall 76 and an engagement wall 77 having a U-shaped cross section, and two places of the fastening wall 76 are fixed to the engagement seat 45 by caulking pins 78. A locking hole 61 that engages with the flange 36 of the connecting pin 26 is formed in the engaging wall 77. A guide claw 79 for introducing and guiding the flange 36 toward the lock hole 61 is formed at the end of the engagement wall 77 adjacent to the lock hole 61. Since the lock body 42 does not have a lock release structure, the previous lock hole 61 is formed in a recess shape by recessing the engagement wall 77. Since others are the same as the previous embodiment, the same reference numerals are assigned to the same members, and descriptions thereof are omitted.

  The lock body 42 of the switching knob 10 in a state of being removed from the connecting pin 26 is in close contact with the engagement seat 45 by its own elastic force at the free end of the engagement wall 77 as shown in FIG. When connecting the switching knob 10 to the connecting pin 26, the window 2 is opened, the engaging seat 45 is circumscribed on the cover portion 25 b of the slider 25, and the connecting hole 48 is applied to the peripheral surface of the flange 36. By sliding the switch knob 10 against the cover portion 25b, the connecting hole 48 of the knob arm 40 can be inserted into the engagement shaft portion 35 and engaged. At this time, the guide claw 79 climbs onto the flange 36 while resisting the elastic force of the engaging wall 77, and when the lock hole 61 of the lock body 42 and the position of the flange 36 coincide with each other, the lock hole 61 contacts the flange 36. Engage in depression.

  In a state in which the lock hole 61 is engaged with the flange 36, the engagement wall 77 is pushed up by the flange 36 as shown in FIG. 11, and the end wall of the lock hole 61 is in close contact with the flange 36 by its elastic force. . Therefore, the switching knob 10 can be securely fixed to the connecting pin 26 without any room for wobbling in the entire circumferential direction. Further, by switching the switching structure up and down with the switching knob 10, the check arm 8 can be slid to the lower standby position and the upper operating position in the same manner as the switching knob 10 described above.

  When the switching knob 10 is removed, the entire switching knob 10 is twisted with one of the connecting pins 26 as a fulcrum. Then, the opening edge of the lock hole 61 on one side (swinging tip side) rides on the flange 36 while resisting the elastic force of the engagement wall 77. In this state, when the entire switching knob 10 is twisted in the opposite direction, the opening edge of the other lock hole 61 rides on the flange 36 while resisting the elastic force of the engaging wall 77, and both connecting pins 26. Can be separated from As described above, the switching knob 10 according to FIGS. 11 and 12 forms the lock hole 61 with a bottomed hole, so there is no need to provide a lock release structure, and the structure of the lock body 42 can be simplified accordingly. . Further, the switching knob 10 can be easily attached to and detached from the connecting pin 26.

  13 and 14 show still another embodiment of the switching knob 10 according to the present invention. In this case, the lock body 42 is formed of a leaf spring as in the embodiment described with reference to FIGS. The lock body 42 is provided with a lock seat 58 having the same size and shape as the engagement seat 45, and a release claw 81 for unlocking is formed integrally with the lock seat 58 instead of the lock arm 59. A circular lock hole 61 that engages with the flange 36 of the connecting pin 26 is formed in the lock seat 58. A pair of guide claws 62 are obliquely raised on one of the opposite sides of the lock seat 58, and a pair of engagement claws 63 that are inserted into and engaged with the connecting portion 49 are formed on the other side. . A release claw 81 for releasing the lock is bent between the engagement claws 63 into a square shape. Since others are the same as the previous embodiment, the same reference numerals are assigned to the same members, and descriptions thereof are omitted.

  In a state where the switching knob 10 is connected to the connection pin 26, the connection hole 48 is engaged with the engagement shaft portion 35, and at the same time, the lock hole 61 of the lock body 42 is externally engaged with the flange 36. At this time, the engagement seat 45 generates a deformation stress by its own elasticity, and the peripheral wall of the engagement seat 45 is brought into close contact with the peripheral wall 38 of the recess 30. Further, the distal end side of the release claw 81 is lifted away from the lock seat 58. In order to remove the switching knob 10, the release claw 81 is pushed in after the window 2 is opened. As a result, the lock seat 58 is obliquely separated from the engagement seat 45 with the protruding end of the engagement claw 63 as a fulcrum, and most of the lock hole 61 comes out of the flange 36. In this state, when the switching knob 10 is slid in the direction away from the connecting pin 26, the connecting hole 48 of the knob arm 40 is separated from the engaging shaft portion 35, so that the switching knob 10 can be removed. The switching knob 10 configured as described above can greatly simplify the unlocking structure and reduce the cost required for manufacturing the switching knob 10 compared to the switching knob described above. Further, by operating the release claw 81 to release the lock, the lock body 42 can be easily removed from the connecting pin 26 and the switching knob 10 can be stored in a predetermined place.

  In addition to the above embodiment, the lock body 42 does not need to be formed of a leaf spring material. In that case, a lock spring 43 can be separately provided to urge the lock body 42 to the locked posture. There may be two or more connecting pins 26, but in some cases, the operating tool 10 is engaged with the accessory fitting 4 in a concave-convex manner, and the operating tool 10 is engaged with one connecting pin 26 so that the operating tool 10 is It can be connected to the accessory bracket 4. The operation unit 60 can be exposed to the indoor surface side of the knob arm 40 through the opening 50. In that case, the lock body 42 can be unlocked by holding the knob body 41 and the operation unit 60 at the same time.

  The lock body 42 described with reference to FIGS. 1 to 10 can be fixed to the engagement seat with a caulking pin. The operation tool of the present invention can be applied to a window fitting other than the ventilation stay. For example, the emergency entry window locking device can be used as an operating tool for unlocking operation.

It is a cross-sectional top view which shows the use condition of an operation tool. It is a schematic plan view of a ventilation stay (attached bracket). It is a front view of a ventilation stay. It is a partially broken front view of the switching structure of the ventilation stay. It is the sectional view on the AA line in FIG. It is a cross-sectional top view which shows the detailed structure of a connection pin and an operation tool. It is the perspective view of an operation tool, and an exploded perspective view. It is a partially broken front view of the state which switched the ventilation stay. It is a front view of the state which equipped the operation tool with the connection pin. It is a cross-sectional top view which shows the middle state which removes an operation tool from a connection pin. It is a cross-sectional top view which shows the use condition of the operation tool which concerns on another Example. FIG. 12 is a perspective view of the operation tool according to the embodiment of FIG. 11. It is a cross-sectional top view which shows the use condition of the operation tool which concerns on another Example. FIG. 14 is a perspective view of the operation tool according to the embodiment of FIG. 13. It is a cross-sectional top view which shows the use condition of the conventional switching knob. It is a perspective view of the conventional switching knob.

Explanation of symbols

2 Window 4 Attached bracket (ventilation stay)
10 Operation tool (switching knob)
26 Connecting pin 35 Engagement shaft portion 36 Flange 40 Knob arm 41 Knob body 42 Lock body 43 Lock spring 48 Connection hole 61 Lock hole

Claims (7)

An operating tool (10) to be attached to and detached from a connecting pin (26) provided on a window fitting (4),
The connecting pin (26) includes an engagement shaft portion (35) exposed on the outer surface of the attachment metal fitting (4), and a flange 36 protruding from the engagement shaft portion (35).
The operating tool (10) includes a metal plate knob arm (40) having a connection hole (48) inserted into and engaged with an engagement shaft portion (35) of the connection pin (26), and a knob arm (40). A knob body (41) fixed to one end of the knob, and a lock body (42) attached to the knob arm (40).
The plate surface of the lock body (42) is provided with a lock hole (61) that engages with the flange (36) of the connecting pin (26).
The lock body (42) is displaceable between a lock posture in which the lock hole (61) engages with the flange (36) and a lock release posture in which the lock hole (61) is separated from the flange (36). 43), and it is urged to return to the locked position.
In a state where the connecting hole (48) of the knob arm (40) is engaged with the engaging shaft portion (35) of the connecting pin (26), the lock hole (61) of the lock body (42) is engaged with the flange (36). An operation tool for the window accessory holding the operation tool (10) in lock. A plurality of connecting pins (26) are provided on the accessory metal fitting (4).
The lock body (42) is formed of a leaf spring and doubles as the lock spring (43),
The knob arm (40) includes an engagement seat (45) circumscribing the outer surface of the attachment fitting (4), and an arm portion (46) continuously bent at one side end of the engagement seat (45).
A plurality of connecting holes (48) that engage with the connecting pin (26) are formed from the adjacent corners of the engaging seat (45) and the arm portion (46) to the face wall of the engaging seat (45). ,
The lock body (42) includes a lock seat (58) and a lock arm (59) that are bent along the engagement seat (45) and the arm portion (46), and an operation unit (for unlocking the lock body (42)). 60), and
A lock hole (61) that engages with the flange (36) is formed in the lock seat (59),
The operating tool for a window accessory according to claim 1, wherein a peripheral portion of the lock seat (59) is attached to the engagement seat (45). An opening (50) is formed in the plate surface of the arm portion (46) crossing the seal gap (E) in and out,
The operating tool for a window accessory according to claim 2, wherein a step portion (67) and a wide arm portion (66) that fit into the opening (50) are formed on the lock arm (59). A fastening seat (47) of the knob arm (40) is screwed to the knob body (41).
The operation tool for a window accessory according to claim 2 or 3, wherein the operation portion (60) of the lock body (42) is accommodated in a recess (53) provided in the knob body (41). Guide claws (62) for introducing and guiding the flange (36) toward the lock hole (61) are formed on the periphery of the lock seat (58) facing the engagement start end of the connection hole (48),
The operation tool of the window accessory according to claim 2, 3 or 4, wherein an operation window (68) is opened on a plate surface of the lock arm (59). A screw hole (71) is formed in the plate surface of the concave wall of the operation portion (60) formed to be folded in a U-shaped cross section,
When the operating tool (10) is connected to the connecting pin (26) and the lock body (42) is switched to the locked position, the screw inserted through the screw hole (71) is screwed into the knob body (41) to lock The operating tool for a window accessory according to claim 2, 3, 4 or 5, wherein the body (42) can be fixed to the connecting pin (26) in an inseparable manner. A plurality of connecting pins (26) are provided on the accessory metal fitting (4).
The lock body (42) is formed of a leaf spring and doubles as the lock spring (43),
The knob arm (40) includes an engagement seat (45) circumscribing the outer surface of the attachment fitting (4), and an arm portion (46) continuously bent at one side end of the engagement seat (45).
A plurality of connecting holes (48) that engage with the connecting pin (26) are formed from the adjacent corners of the engaging seat (45) and the arm portion (46) to the face wall of the engaging seat (45). ,
The lock body (42) includes a lock seat (58) having a peripheral portion attached to the engagement seat (45) and joined to the engagement seat (45).
A plurality of recessed lock holes (61) engaged with the flange (36) in the lock seat (58), and guide claws (79) for introducing and guiding the flange (36) toward the lock hole (61) The operating tool for a window accessory according to claim 1, wherein:

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