JP3505641B2 - Stay for window ventilation - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a restraining arm pivotally supported by an opening frame to restrict the opening of a window at a ventilation position. And a window ventilation stay that can be directly opened from a closed state to a fully open position. 2. Description of the Related Art A stay of this kind is disclosed in Japanese Utility Model Publication No. 55-1470.
No. 0 is publicly known. Here, the upper end of the traction arm is pivotally supported on the window side, and a slide pin provided at the lower end of the traction arm is vertically slidably supported by a guide frame provided in the opening frame. Inside the guide frame, there is a lock lever that is biased by a spring. When the window is opened from the closed position to the ventilation position, the lock lever automatically engages and captures the head of the slide pin. To lock the window so that it cannot be opened and closed. In order to unlock the lock lever, a release knob is provided on the guide frame. If the lock lever is unlocked by operating the release knob horizontally to unlock, then the slide pin is further slid upward, so that the pin head can be pulled out of the guide frame and the window can be fully opened. [0003] The above-mentioned stay is disposed in a gap between a window vertical frame of the window and a vertical frame of the opening frame.
When the window is closed, a release knob for unlocking the lock lever protrudes from the inner wall surface of the guide frame. In this case, the window is composed of a rotating window that opens and closes inward and outward about a horizontal axis center. Therefore, when the window is closed, the release knob can be protruded into the room without any problem. [0004] The window ventilation stay of the present invention is mainly applied to a window which is swingably opened and closed.
The joint gap between the opening frame and the window is often sealed with a rubber seal on the indoor side of the installation position of the stay. Therefore, when providing a release knob as described above, a notch or groove for the release knob must be provided in the opening frame or the window frame,
This is inconvenient in that it takes time and effort for construction, or extra time is required for assembling the release knob and the like. For example, since the notch is provided in the opening frame, air inside and outside the room may enter and leave through the notch, and there is also a disadvantage that the airtightness of the air is impaired. [0005] It is an object of the present invention to change the state of the stay in a window in which the gap between the window and the opening frame is sealed by a seal provided on the indoor side of the installation position of the stay between them. The structure of the knobs has been improved so that there is no need to provide grooves or notches, the stays and knobs can be easily assembled to the opening frame, and the airtight condition can be maintained properly. To provide stays. Another object of the present invention is to release the connection between the restraining arm and the guide frame only when the window is fully closed, or to switch to the non-releasing state, so that the window is inadvertently moved beyond the ventilation position. The window that can be controlled to be released and the falling of infants etc. can be prevented reliably, and the window can be easily fully opened by releasing the restriction operation by the control arm by simply switching the knob when necessary. To provide a stay for ventilation. The window ventilation stay of the present invention is provided with a restraint arm 5 between the opening frame 1 and the window 2 for restricting the opening of the window 2 in the ventilation position. One end of the restraint arm 5 is connected to the opening frame 1 and the other end is connected to the window 2, and can reciprocate between a fully open position and a ventilation position. On the side of the opening frame 1, restraining arm 5 to allowed the to accompany swing the window 2
Off state and restraining arm 5 is in the state to accompany swing the window 2
A switching structure for changing, is provided with a knob 9 for operating switching the switching structure. The opening frame 1 is provided with a seal 1a for sealing a joining gap between the opening frame 1 and the window vertical frame of the window 2 when the window 2 is closed. Knob 9 attaches seal 1a
The contact between the window vertical frame of the window 2 and the seal 1a in an elastically deformed state.
Metal is located between the contact portion crossing the joint gap to ya out
Comprising a connecting arm 9b made of a plate, and an operating portion 9a which is provided in the arm portion of the connecting arm 9b projecting from the joint gap to the indoor side. Thus, in the state where the window 2 is closed, the outdoor side from the seal 1a
The switching mechanism located at the side of the knob 9 facing the indoor
The switching operation can be performed via the switch. The connecting arm 9b is formed of a metal plate.
The restraint arm 5 is pivotally supported on the side of the window 2 between a fully open position and a ventilation position. Alternatively, the restraining arm 5 is pivotally supported on the side of the opening frame 1 so as to swing between a fully open position and a ventilation position. The knob 9 includes a connecting arm 9b that crosses the joining gap between the opening frame 1 and the window 2 indoors and outdoors, and an operating portion 9a provided on the arm on the indoor side. When the window 2 is closed, the switching structure located outside the seal 1a can be switched by the knob 9, so that the opening frame 1 and the window 2 are provided with cutouts and grooves for passing the connecting arms 9b. No need. Therefore, according to the window ventilation stay of the present invention, since the notch or groove can be omitted, the labor for the construction can be saved, and the switching structure of the knob 9 can be easily assembled. The provision of the notch or the groove can also prevent the airtightness of the window 2 from being impaired. The connecting arm 9b crosses the joining gap between the window 2 and the opening frame 1 indoors and outdoors with the seal 1a elastically deformed. Therefore, if the connecting arm 9b is formed of a metal plate, the connecting arm 9b can be formed even if the previous joining gap is small.
b can be passed through the joining gap without any trouble. The amount of deformation of the seal 1a when the window 2 is completely closed is sufficient if it is at least slightly larger than the thickness of the connecting arm 9b. Therefore, a special seal 1a is prepared only for providing the stay of the present invention. No need to do. The restraining arm 5 may be pivotally supported on the side of the window 2 or may be pivotally supported on the side of the opening frame 1. In FIG. 1, reference numeral 1 denotes an opening frame, and 2 denotes a window. The opening frame 1 and the window frame are each formed by assembling a plastic strip or an aluminum strip into a square frame shape. The window 2 is supported at one end by a hinge fixed to the opening frame 1 and can swing open and close around a vertical hinge center. Window 2
In the closed state, the window 2 can be fixed at the closed position by a lock or a latch (not shown). In order to keep the window 2 open in the ventilation position, the stay of the present invention is disposed between the opening frame 1 and the window vertical frame on the swinging tip side of the window 2. In FIG. 2, a stay includes a base 3 mounted on the window 2 with screws and an arm pin 4 fixed to the base 3.
And a guide frame 6 fixed to the opening frame 1, a shutter 7 and a lock body 8 assembled in the guide frame 6, and a guide arm 6 outside the guide frame 6. And a knob 9 for sliding operation of the shutter 7. The guide frame 6 and the shutter 7 constitute a switching structure that allows the restraint arm 5 to swing together with the window 2 or prevents the restraint arm 5 from swinging together with the window 2. Note that the accompanying swing means that the restraint arm 5 swings while opening and moving along with the window 2. As shown in FIG. 3, the guide frame 6 is formed by a press-formed frame having a vertically long U-shaped cross section with an opening on the side of the mounting surface, and mounting leg pieces 11 provided integrally above and below the frame. It is. A vertically long guide groove 12 is opened in the main surface wall of the guide frame 6, and the slide pin 13 fixed to the swinging tip of the restraining arm 5 is engaged and guided slidably up and down. At the lower end (closed end) of the guide groove 12, an entrance 14 is opened from the main surface wall of the guide frame 6 to the outdoor surface wall, and this is connected to the guide groove 12. A shutter 7 is provided to open and close the entrance 14 to fully open the window 2 or to open the ventilation. The shutter 7 is formed of a U-shaped frame-shaped plastic molded product having a pair of front and rear walls sliding along both side walls of the guide frame 6 and a bottom wall connecting the both walls. Thus, the entrance 14 is opened and closed. The knob 9 is connected and fixed to the shutter 7 via two pins 16 inserted into the indoor front wall (see FIG. 6). For this purpose, a pin groove 17 that allows the pin 16 to slide up and down is provided through the indoor wall of the guide frame 6 (see FIG. 3). An arm 18 having the same width as the lid wall 15 is continuously provided at the upper end of the lid wall 15, and a slide projection 19 is provided on a side surface of the projected end on the outdoor side. In order to guide the slide projection 19 to slide, the guide frame 6
A slide groove 20 is provided in a surface wall on the outdoor side. The knob 9 is composed of an operating portion 9a made of a plastic molded product and a connecting arm 9b formed by bending a metal plate into an L-shape. One end of the continuous arm 9b is fixed to the shutter 7 with a pin 16 by caulking. The restraining arm 5 is made of a band-shaped press fitting with both ends rounded, and a slide pin 13 is fixed to the lower end thereof, and the upper end is pivotally supported by the arm pin 4. The hole fitted to the arm pin 4 is formed slightly larger than the pin diameter.
When the window 2 is opened, the restraint arm 5 can be tilted with respect to the arm pin 4 as shown in FIG. Further, when the window 2 is closed, the arm pin 4 is used to return the restraint arm 5 to a parallel posture along the window vertical frame.
A compression coil type spring 21 is interposed between the flange portion of the protruding end and the restraining arm 5. The spring 21 also serves as a kick spring, and urges the restraining arm 5 in a direction of returning to the closed position (see the arrow in FIG. 7). This is to prevent the restraint arm 5 from hanging around when fully opened. In FIG.
The slide pin 13 includes a roller 13a having a flange portion at a protruding end, and a pin 1 of a salvis shape for supporting the roller 13a.
3b, the pin 13b is caulked and fixed to the restraint arm 5, and the roller 13a is rotatably supported. Roller 13
The flange portion a is formed to have a diameter larger than the groove width of the guide groove 12, and the roller shaft portion is set to be smaller than the groove width of the groove. This is to allow the tilting of the restraint arm 5. The lock body 8 is formed of an inverted L-shaped plastic molded product having an engagement claw 23 projecting downward from one end of the base 8a, and a headed fitting shaft 24 is projected from the upper surface of the base 8a. . The lock body 8 is inserted into and engaged with the guide frame 6 from the opening surface side to be integrated. For this purpose, an engaging groove 25 for the fitting shaft 24 is provided over the upper mounting leg piece 11 and the frame end wall continuous with the upper mounting leg piece 11. In the stay constructed as described above, the shutter 7 is slid downward in the normal state, and the
The entrance 14 is closed. When the window 2 is opened from the closed position in this state, the slide pin 13 tries to go out of the doorway 14 to the outside, but is received by the lid wall 15. Therefore, as the window 2 is opened, the slide pin 13 must be slid upward along the guide groove 12. Be captured. Ventilate in this state. When the window 2 is pulled toward the indoor side against the elasticity of the engaging claw 23, the slide pin 13 is
, The window 2 can be closed. To fully open the window 2, the shutter 7 is slid upward through the knob 9 to open the entrance 14.
When the window 2 is opened in this state, the slide pin 13 goes out of the guide frame 6 from the entrance 14 without hindrance, so that the slide pin 13 hangs vertically and the vertical wall 3a of the base 3 (see FIG. 7).
With the restraint arm 5 received by the
To the limit position. When the window 2 is closed from the fully open position, the slide pin 13 enters the lower end side of the guide groove 12 through the entrance 14, and then the shutter 7 is slid downward to close the entrance 14 with the lid wall 15. It is possible to make the restraint arm 5 for towing production effective. In the state where the window 2 is closed, each of the window vertical frame and the window horizontal frame is provided with the seals 1 a and 1 provided on the opening frame 1.
b (see FIG. 1) to maintain airtightness. In this embodiment, the connecting arm 9b of the knob 9 is located between the contact portion of one of the window vertical frames and the seal 1a, and when the window 2 is closed as shown in FIG. The shutter 7 can be opened and closed by sliding the portion 9a up and down. Thus, according to the operation structure in which the connecting arm 9b made of a thin metal plate is disposed between the window 2 and the seal 1a, it is not necessary to form a notch or a groove for passing the connecting arm 9b in the opening frame 1. Therefore, it is possible to save the time and labor required for the construction, and it is possible to prevent a decrease in the strength of the opening frame 1 due to the provision of the notch or the groove. It is also possible to prevent airtightness from being impaired. With the window 2 closed, the restraint arm 5
The slide pin 13 provided at the end faces the entrance 14 at the closed end of the guide groove 12. At this time, depending on whether the lid wall 15 of the shutter 7 closes or opens the entrance 14, a difference occurs in the behavior of the restraint arm 5 when the window 2 is opened. When the entrance 14 is open, the slide pin 13 goes out of the guide frame 6 along with the window 2 and the restraining arm 5. Therefore, the window 2 can be fully opened. When the entrance 14 is closed by the lid wall 15, the slide pin 13 is received by the lid wall 15, so that when the window 2 is opened, the slide pin 13 slides and displaces along the guide groove 12. It is accepted. Therefore, the window 2 is held in the ventilation open position by the restraining arm 5. As described above, according to the present invention, even if the shutter 7 is operated by mischief while the window 2 is ventilated and opened, the window 2 cannot be opened any more. it can. Door 1 by sliding the shutter 7
By simply opening and closing the window 4, the window 2 can be fully opened or the ventilation can be opened, so that it is possible to save time and effort when changing the opening amount of the window 2 as compared with a conventional stay of this type. FIG. 9 shows a modification of the knob 9. Where,
A mounting side 9 c was provided continuously at the end of the connecting arm 9 b of the knob 9, and this was fixed by caulking to the inner bottom of the shutter 7 with a pin 16. The other parts are the same as those of the previous embodiment, so the same reference numerals are given and the description thereof will be omitted. In addition to the above-described embodiment, a switching structure is provided on the opening frame 1, and further, the restraining arm 5 is pivotally supported on the side of the opening frame 1 so that the switching structure can be switched by the knob 9. The restraining arm 5 swings along with the window 2, or
The arm 5 can be prevented from swinging with the window 2.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a stay. FIG. 2 is a side view of a stay when ventilation is opened. FIG. 3 is an exploded perspective view of a stay. FIG. 4 is a side view in which a part of a guide frame is broken. FIG. 5 is a side view of the guide frame in a state where an entrance is opened. FIG. 6 is a sectional view taken along line AA in FIG. FIG. 7 is a side view showing a support structure of the restraining arm. FIG. 8 is a plan view of a stay with a window closed. FIG. 9 is a sectional view showing a modification of the knob. [Description of Signs] 1 Opening frame 1a Seal 2 Window 5 Checking arm 9 Knob 9a Operation section 9b Connecting arm

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-10-169284 (JP, A) JP-A-2-248593 (JP, A) JP-A-7-6449 (JP, U) 14700 (JP, Y2) (58) Field surveyed (Int. Cl. ⁷ , DB name) E05C 17/26

Claims (1)

(57) [Claim 1] Between the opening frame 1 and the window 2, there is provided a traction arm 5 for restricting the opening of the window 2 in the ventilation position, and one end of the traction arm 5 is open. A state in which the other end of the frame 1 is connected to the window 2 so as to be able to reciprocate between a fully open position and a ventilation position, and to allow the restraint arm 5 to swing with the window 2 on the side of the opening frame 1 ; restraining arm 5 and the window 2 and the switching structure for switching to the state to prevent the accompany swings, and a knob 9 for operating switching the switching structure is provided in the opening frame 1, close the window 2 Frame 1 and window
2 is provided with a seal 1a for sealing a joining gap between the window 2 and the window vertical frame, and the knob 9 is a window of the window 2 with the seal 1a elastically deformed.
A connecting arm 9b of the sheet metal across the joint gap to ya out is located between the contact portion between the vertical frame and the seal 1a, provided in the arm portion of the connecting arm 9b projecting from the joint gap to the indoor side And an operation unit 9a. When the window 2 is closed, the operation unit 9a is located closer to the outside than the seal 1a.
The switching structure to be placed is via the operation unit 9a of the knob 9 facing the indoor.
A window ventilation stay characterized in that it can be operated by switching .