JPH0750539Y2 - Swing device for sliding window - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a swing device for a sliding window having a tilt stop function.

[0002]

2. Description of the Related Art For example, a swing device having a tilt stop function is known in Japanese Utility Model Publication No. 57-12146 and Japanese Utility Model Publication No. 63-28769. Further, the swing device folding link system to which the present invention is to apply the subject, for example the actual opening flat 2-9671, JP-Utility Model 63-4657
No. 5 and Japanese Patent Laid-Open No. 59-161570. As shown in FIG. 3, this swing device has at least three links, and the maximum swing angle of each link is 9
By setting it to 0 degrees or less, the opening and closing operation of the window is made smooth.

[0003]

SUMMARY OF THE INVENTION In the above swing device having a tilt stop function, the window is divided into a fully open position and a half open position.
Can only be fixed in position. Therefore, the amount of ventilation at the time of ventilation cannot be freely changed, and for example, ventilation cannot be performed while avoiding rain and preventing scattering of documents and the like. The window when half-opened is inclined at an angle of approximately 45 degrees with respect to the opening surface, the distance between the window surface on the swing tip side and the opening surface is considerably large, and there is a risk of falling due to mischief or negligence, so it is safe. In terms of sex, there are restrictions on where it can be applied.

The above disadvantages can be eliminated by providing a dedicated tilt stop device as disclosed in Japanese Utility Model Publication No. 58-35824, for example, separately from the swing device. However, in this case, the overall cost of the sliding window increases. Furthermore, this type of swing device is arranged in a small vertical gap between a window and a window frame in a fully closed position. All of them are exposed indoors, which is not desirable in terms of appearance.

Therefore, an object of the present invention is to realize a folding link type swing device having a tilt-stop function so that the opening of a window can be freely adjusted and a dedicated tilt-stop device is added. Compared with this, an increase in cost is suppressed and the overall cost of this type of swing device is reduced. Another object of the present invention is to obtain a swing device having excellent reliability that can reliably maintain the open position of the window even when it receives an alternating load due to the flapping of the window or an impact due to a gust of wind.

[0006]

A swing device according to the present invention comprises a guide frame 3 mounted on a window frame 1 and a long and short two first and second swinging ends connected to the window 2 for sliding out the window 2. 1
The shift link 5 and the second shift link 6, and the control link 7 that defines the maximum swing angle of at least one of the shift links 5 and 6, and the second shift link 6
And the swing center pins 16 and 18 of the control link 7, and the first
One of the swing center pin 15 of the shift link 5 is slidably supported by the guide frame 3 via the slider 10, and the slider 10 is provided inside the guide frame 3.
A horizontally long lock rod 21 that moves along with the lock rod 21 is provided, and a lock that engages with the lock rod 21 and blocks the movement of the slider 10 is provided inside the guide frame 3 facing the moving region of the lock rod 21. The guide frame 3 is provided with an operating tool 24 for switching the lock body 22 between a lock position where the lock body 22 engages with the lock rod 21 and an unlock position where the lock body 22 is separated from the lock rod 21. It is a requirement. Specifically, the lock rod 21 is formed of a screw shaft, and a thread 25 that engages with the screw shaft is formed on the engagement surface of the lock body 22 with the lock rod 21. Alternatively, a plurality of engagement recesses 41 are formed along the surface of the lock rod 21 facing the lock body 22, and the lock body 22 is provided with an engagement projection 43 which is fitted into and engaged with the engagement recess 41. It is possible to adopt a form in which the leaf spring 42 that is in contact with the engagement protrusion 43 and keeps the lock body 22 in the locked posture is provided inside the guide frame 3. Preferably, the lock body 2
A spring 23 that urges the lock body 22 to move toward the lock position is provided between 2 and the inner wall of the guide frame 3.

[0007]

When the window 2 is opened / closed, the position of the lock body 22 is fixed, but the lock rod 21 passes along one side of the lock body 22 along with the displacement of the slider 10. Therefore, if the engagement position of the lock rod 21 with respect to the lock body 22 is changed,
The movement of the slider 10 can be prevented at the required displacement position, and the window 2 can be fixed at the open position. When a screw shaft is used as the lock bar 21, the opening degree of the window 2 can be adjusted almost continuously.

Since the slider 10 is the object of the lock operation, and the lock rod 21 and the lock body 22 are arranged inside the guide frame 3 by utilizing the guide frame 3, the mechanism for tilting can be simplified. Since the lock body 22 and the lock rod 21 are mechanically engaged with each other to prevent the opening / closing operation of each link, a strong force is applied against the external force acting on the window 2 to keep the locked state.

[0009]

[Effect of the Invention] In the swing device of the present invention, the guide frame 3
The lock rod 21 and the lock body 22 are installed inside the
Since the slider 10 is prevented from moving by mechanically engaging the two members 21 and 22 and the opening of the window 2 is adjusted, the opening of the window 2 can be freely adjusted as compared with the conventional device. ,
In particular, the opening degree can be changed as necessary even between the half-open state and the fully-open state. Further, since the slider 10 of the swing device is set as the lock target and the lock bar 21 and the lock body 22 are housed therein by using the guide frame 3, as compared with the case where a dedicated tilt-stop device is provided separately from the swing device, The overall structure can be simplified and the selling cost can be reduced. Since the lock rod 21 and the lock body 22 are mechanically engaged with each other and locking for locking is performed, it is possible to firmly and reliably maintain the locked state as compared with the conventional lock posture maintaining structure. In particular, even when the window 2 flaps or receives a gust of wind, the open posture of the window 2 can be maintained and the reliability of this type of swing device can be improved. Even a large and heavy window 2 can reliably maintain its open posture. Since the lock bar 21 and the lock body 22 are arranged inside the guide frame 3,
The swing device can be housed in the same vertical gap as the conventional device. Further, it is possible to prevent the lock mechanism except the operation tool 24 from being exposed to the outside, and to make the swing device compact and improve the appearance.

[0010]

(First Embodiment) FIGS. 1 to 8 show a first embodiment of a swing device according to the present invention. In FIG. 3, reference numeral 1 is a window frame, and 2 is a window. A folding link type swing device is arranged between the upper and lower frames of the window 2 and the upper and lower frames of the window frame 1, and the device supports the window 2 so as to be openable and closable between a fully closed position and a fully open position. is doing. In the fully open position, the window 2 is in a position orthogonal to the window opening surface as indicated by a chain double-dashed line. Since the upper and lower swing devices are different from each other only in the mounting direction, only the lower swing device will be described.

The swing device is provided between the guide frame 3 fixed to the window frame 1 with a screw, a mounting bracket 4 fixed to the window 2 with a screw, and the window 2 provided between the guide frame 3 and the mounting bracket 4. The first and second shift links 5 and 6 for sliding out, the control links 7 and 8 that regulate the maximum swing angle of both links 5 and 6, and the slider 10 that moves left and right along the inner surface of the guide frame 3. And a tilt stop mechanism. The guide frame 3 is a press-molded product having a hat-shaped cross section that opens downward, and a horizontally long slide groove 9 is provided on the upper surface wall thereof. When closing the window 2 at the right end of the guide frame 3,
A guide wall 12 is provided so as to guide the claw portion 4a at one end of the mounting bracket 4 to a regular fitting position.

The slider 10 and the claw portion 4a of the mounting bracket 4 are connected by a short second shift link 6, and the middle portion of the mounting bracket 4 and the left end portion of the guide frame 3 are moved by a long first shift. The window 2 is supported by connecting with the link 5. Window 2
When the opening operation is performed, the first shift link 5 has the pin 15
Is oscillated outward with the fulcrum as the fulcrum, and the window 2 is pushed outward. The second shift link 6 swings outward with the pin 16 as a fulcrum while sliding toward the first shift link 5 side, and the window 2 with the mounting bracket 4 and the connecting pin 17 of the first shift link 5 as the center. Swing in the clockwise direction.

The base ends of the control links 7 and 8 are jointly connected to the slider 10 through a shaft 18 provided at a position different from the pin 16 for the second shift link 6. These pins 16
And the shaft 18 can move left and right along the slide groove 9. The free end of the long control link 7 is connected to the middle of the first shift link 5, and the free end of the short control link 8 is connected to the middle of the second shift link 6. The latter control link 8 has an elongated hole 19 for absorbing the swinging motion of the second shift link 6, and is connected to the shaft 18 through this elongated hole 19. Both of the control links 7 and 8 prevent the shift links 5 and 6 from further swinging by contacting the shaft 18 with the ends of the slots 19. The maximum swing angle of the second shift link 6 is larger than that of the first shift link 5, but it is set so as not to exceed 90 degrees at the maximum.

In FIG. 1, the anti-rotation mechanism includes a lock rod 21 and a lock body 2 which are incorporated inside the guide frame 3.
2, a compression coil type spring 23, an operating tool 24 for operating the lock body 22, and the like. The lock rod 21 is formed of a screw shaft, and one end of the lock rod 21 is screwed to the slider 10. The left-right dimension of the screw shaft is set larger than this with reference to the moving stroke of the slider 10. As shown in FIG. 7, the lock body 22 is made of a horizontally long rectangular parallelepiped metal block, and a concave arc surface that circumscribes the lock rod 21 is formed on one side thereof, and a thread ridge 25 that meshes with the screw shaft is formed on the concave arc surface. To do. A connecting hole 26 having a keyhole-shaped cross section is provided in the center of the block orthogonal to the concave arc surface, and a clearance groove 27 having a vertically penetrating shape is further provided.
Is provided. Spring holes 28 for accommodating the springs 23 are formed on the left and right of the surface wall facing the concave arc surface.

The operation tool 24 has a handle 3 at one end of a shaft 30.
1 is provided in a protruding manner, and a retaining protrusion 32 and a positioning protrusion 33 are provided in two places on the peripheral surface of the shaft 30. The shaft 30 is incorporated from an engagement / disengagement hole 34 provided in the indoor side wall portion 3a of the guide frame 3, and a shaft tip end thereof is connected to the lock body 22. For more information,
The shaft end and the retaining protrusion 32 are inserted into the connecting hole 26, and the retaining protrusion 32 is hooked in the escape groove 27. In this assembled state, the handle 31 can be swung up and down, and when the handle 31 is upright as shown in FIG. 8, the positioning protrusion 33 is exposed from the engagement hole 34 to the outer surface of the guide frame 3. The axial center position of the operation tool 24 in the guide frame 3 is the window 2
Is set on the side of the connecting end of the lock rod 21 with the slider 10 when fully opened. A stopper 35 is fixed to the standing wall portion 3a of the guide frame 3 adjacent to the engagement / disengagement hole 34 to define the operation limit of the handle 31 in the standing direction. The spring 23 is provided to urge the lock body 22 to move toward the lock position, and is mounted between the inner surface of the standing wall portion 3 a and the spring hole 28 of the lock body 22.

In FIG. 6, sliding plates 36 and 37 made of plastic are mounted on the upper and lower surfaces of the slider 10 to reduce friction with the guide frame 3, respectively. The lower slide plate 37 can be adjusted up and down by an adjusting screw 38 screwed into the slider 10, and by this adjustment, the slider 10 can be slid to the left and right without rattling with respect to the guide frame 3. An anti-friction plate 39 made of a stainless plate is provided on the bottom surface of the guide frame 3, and the sliding plate 37 is provided along the plate surface.
Also, the lock rod 21 is slid left and right to reduce friction during sliding. The antifriction plate 39 is fastened and fixed together with the guide frame 3.

Next, the operation of the tilt stop mechanism will be mainly described. When the window 2 is completely closed, the links 5 to 8 are folded on the guide frame 3, and the operation tool 24 is shown in FIG.
As shown in FIG. 5 and FIG. 5, the handle 31 is laid down sideways with the positioning projection 33 protruding from the outer surface of the engagement hole 34 and circumscribing the outer surface of the standing wall 3a. In this state, the lock body 22 is pulled to the inner surface of the standing wall portion 3a against the spring 23 and is in the unlocked position. That is, the thread 25 is separated from the lock rod 21.

As the window 2 is opened and operated, the slider 10 slides toward the pin 15 and the lock rod 21 accompanies it. When the handle 31 is erected at an arbitrary open position as shown in FIG. 8, the engagement between the positioning protrusion 33 and the standing wall portion 3a is released, and the urging force of the spring 23 causes the operating tool 2 to be released.
The whole 4 is drawn toward the engagement / disengagement hole 34, and the positioning protrusion 33 contacts the engagement / disengagement hole 34. Handle 31 in this state
When the is tilted down, the positioning protrusion 33 enters the inside of the guide frame 3 through the engagement hole 34 and follows the inner surface of the standing wall portion 3a.

At the same time as the operation tool 24 moves inward, the lock body 2
2 moves to the lock position and circumscribes the lock rod 21,
And, as shown in FIG. 2, its threads 25 engage the screw shaft. Depending on how the window 2 is opened, the screw threads come into contact with each other, but the screw thread 25 can be engaged with the screw shaft by slightly opening and closing the window 2. In the locked state, the operating tool 24 prevents the positioning protrusion 33 from contacting the inner surface of the standing wall portion 3a and prevents the lock body 22 from moving toward the standing wall portion 3a. Therefore, when the window 2 flaps or receives a gust of wind, a large external force is exerted via the slider 10 on the lock rod 2
Even when acting on 1, the lock body 22 is prevented from separating from the lock rod 21, and the open posture of the window 2 is reliably maintained.

(Second Embodiment) FIGS. 9 and 12 show a second embodiment in which the lock rod 21, the lock body 22 and the operating tool 24 are changed. In this structure, the lock rod 21 is formed of a metal rod having a rectangular cross section, a plurality of engaging recesses 41 are provided along one side surface in the longitudinal direction, and the leaf spring 42 is fixed to the upper surface of each engaging recess 41. One end of the lock bar 21 is fixed to the slider 10 as in the first embodiment. The leaf spring 42 is provided for maintaining the locked posture of the lock body 22 and for maintaining the state during the unlocking operation, and slightly protrudes from the side edge of the lock rod 21 at a position corresponding to the engaging recess 41. There is. The protruding edge 42a keeps the lock body 22 in the unlocked state (see FIG. 11).
In FIG. 12, the lock body 22 is provided with an engagement protrusion 43 which fits into the recess 41 at the inner end of a metal block having a crank-shaped cross section, and a spring hole 28 at the center of the lower surface side of the metal block. The height of the engagement protrusion 43 is set to be larger than the thickness of the lock rod 21, and the upper surface thereof is formed as an arc surface. The lock body 22 is incorporated into the engagement / disengagement hole 34 of the guide frame 3 from the inner surface side, and is urged to move to the lock position side by the spring 23 interposed between the spring hole 28 and the standing wall portion 3a. In order to unlock the lock body 22 against the spring 23,
An operation tool 24 made of a plastic molded product is provided on the outer surface of the guide frame 3, and is screwed to the lock body 22.

In this tilt-stopping mechanism, the engagement projection 43 of the lock body 22 is engaged with the engagement recess 4 by simply opening the window.
Automatically engage with 1. This engaged state is shown in FIG.
Therefore, when further increasing the opening of the window, the operation tool 2
4 is pulled toward the front side against the biasing force of the spring 23, the engaging projection 43 is pulled out from the engaging recess 41, and the side end surface of the engaging projection 43 is received by the projecting edge 42a of the spring 23 as shown in FIG. Alternatively, after the window is operated to be opened by a desired amount while the operation tool 24 is pulled, the engagement protrusion 43 is engaged with the engagement recess 41 at the position closest to this position.

In the folding link type swing device, the pin 15 of the first shift link 5 may be connected to the slider 10. In this case, the lock bar 21 is connected to the slider 10 and moved together with the pin 15. In the illustrated example, it is assumed that the window 2 is a vertical sliding window, but the present invention can also be applied to a horizontal sliding window or a round window sliding device. The bracket 4 may be omitted.

[Brief description of drawings]

FIG. 1 is a cross-sectional plan view showing a main part structure of a tilt stop mechanism of a first embodiment.

FIG. 2 is a sectional view taken along line AA in FIG.

FIG. 3 is a plan view of the swing device according to the first embodiment.

FIG. 4 is a cross-sectional plan view equivalent to FIG. 1 in which the lock body of the first embodiment is switched to the unlocked state.

5 is a cross-sectional view taken along the line BB in FIG.

6 is a cross-sectional view taken along the line CC in FIG.

FIG. 7 is an exploded perspective view of a tilt stop mechanism of the first embodiment.

FIG. 8 is a vertical cross-sectional front view showing the switching operation of the operation tool of the first embodiment.

FIG. 9 is a cross-sectional plan view showing a second embodiment.

10 is a cross-sectional view taken along the line DD in FIG.

11 is a sectional view equivalent to FIG. 10 in which the lock body of the second embodiment is switched to the unlocked state.

FIG. 12 is an exploded perspective view of the main part of the tilt-stopping mechanism of the second embodiment.

[Explanation of symbols]

 1 window frame 2 window 3 guide frame 5 first shift link 6 second shift link 7 control link 8 control link 10 slider 21 lock rod 22 lock body 23 spring 24 operation tool

Claims (4)

[Scope of utility model registration request] 1. A guide frame 3 attached to a window frame 1 and two long and short first shift links 5 and second shift links 6 whose sliding ends are connected to the window 2 to slide out the window 2.
And a control link 7 that defines the maximum swing angle of at least one of the shift links 5 and 6, and the second shift link 6 and the swing center pins 16 and 18 of the control link 7 and the first shift link. 5 is a swinging link type swing device in which one of the swing center pin 15 and the swing center pin 15 is slidably supported by the guide frame 3 via the slider 10. A horizontally long lock rod 21 that moves in a horizontal direction is provided. Inside the guide frame 3 facing the moving region of the lock rod 21, a lock body 22 that engages with the lock rod 21 and blocks the movement of the slider 10. Is provided, and an operating tool 24 for switching the lock body 22 between a lock position where the lock body 22 engages with the lock rod 21 and an unlock position where the lock body 22 is separated from the lock rod 21.
Is a swing device of a sliding window provided on the guide frame 3. 2. The slide-out according to claim 1, wherein the lock rod 21 is formed of a screw shaft, and a thread 25 that engages with the screw shaft is formed on an engagement surface of the lock body 22 with the lock rod 21. Window swing device. 3. A plurality of engaging recesses 41 are formed along the surface of the lock rod 21 facing the lock body 22, and the engaging projections 43 which are fitted into and engage with the engaging recesses 41 are locked. A leaf spring 42, which is provided on the body 22 and keeps the lock body 22 in the locked posture by circumscribing the engagement protrusion 43,
The swing device for a sliding window according to claim 1, wherein the swing device is provided inside the guide frame 3. 4. The sliding window according to claim 1, wherein a spring 23 is provided between the lock body 22 and the inner wall of the guide frame 3 to urge the lock body 22 to move toward the lock position. Swing device.