JP3474641B2 - shutter - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has a ventilation hole in a connecting and fitting portion of a slat, which can be ventilated and shielded by opening or closing the hole by vertically sliding the slat. It is a ventilation shutter suitable for the shutters.

[0002]

2. Description of the Related Art A ventilation shutter is one in which all slats are provided with ventilation holes, and when the shutter is opened and closed, the slats are stopped halfway to be in an open state, and when the shutter is completely pulled down, it is in a closed state. A manual type that is widely used in Europe that rotates with a string, and an electric type that rotates a drum with a motor (actual opening / closing 3
No. 473393).

[0003]

Although the conventional manual type is inexpensive, it is very time-consuming and inconvenient both for opening and closing the shutter and for opening and closing the ventilation hole. In addition, although the electric type is convenient, it requires a safety measure, has a complicated structure, and is very expensive.

Therefore, it has been decided to study an inexpensive ventilation shutter with substantially the same operation as a general shutter which does not have a ventilation function which has been used conventionally.

[0005]

According to the present invention, a ventilation hole which is opened and closed by vertical sliding of slats is provided in a connecting fitting portion of slats vertically slidably connected. in Shutter which gave ventilation function by a spring (3) wound up to generate a force to Makiageyo the slat (1) provided, on the slats (1)
The intermediate lock bar (6) provided on the left and right in the downward middle part
When pulled down, the guide rails on the left and right of the shutter
Over the lock fitting (7) attached to the cable (4)
Return to the original state and engage the lock fitting (7) to
And an intermediate lock device (5) for stopping the winding of the slat (1) by the winding spring (3) in the locked state, and the slat (1) below the intermediate lock device (5).
In addition to providing the ventilation hole (2) only on the upper side, a plurality of upper and lower engaging positions of the intermediate locking device (5) are provided, and the vertical sliding amount of the coupling fitting portion is adjusted by selecting the engaging position, and the ventilation hole (2) is provided. The shutter is characterized in that the opening amount can be gradually adjusted from the closed state. And a slat having a ventilation function by providing ventilation holes, which are opened and closed by vertical sliding of the slats, in the coupling fitting portion of the slats that are vertically slidably coupled to each other. A slat is provided with a winding spring (3) that generates a force to wind up the (1).
Intermediate lock bars provided on the left and right in the vertical middle part of (1)
When (6) is pulled down,
Lock fittings (7) attached to the guide rails (4)
After returning to the original state, return to the original state and attach to the lock fitting (7).
An intermediate lock device (5) is provided to stop the winding of the slat (1) by the winding spring (3) in an engaged and locked state , and only on the slat (1) below the intermediate lock device (5). A ventilation hole (2) is provided, and a lower end locking device (12) is provided at the lowermost end, and when the slat (1) is pulled down and locked by the lower end locking device (12), it is connected by the action of a hoisting spring (3). The fitting part is pulled apart and the ventilation hole (2) is opened to allow ventilation.
Furthermore, when the slat (1) is pulled down and locked by the intermediate locking device (5), the connecting fitting portion below the intermediate locking device (5) is compressed and the ventilation hole (2) is shielded. A shutter characterized by the fact that it has been done. Are provided respectively.

A lower end lock device (1) according to claim 2
As a concrete means of 2), the lower end lock device (12) described in claim 3 is attached to the lower end lock bar (13) attached to the slat (1) and the guide rail (4). There is provided a lower end locking fitting (14) which engages the bar (13).

[0007]

When the shutter is used in a ventilated state with the shutter closed, the shutter is pulled down to the lowermost end and locked by the locking device at the lowermost end as in a normal shutter. In this case, since the force to always wind up is generated by the action of the winding spring (3), the connecting fitting portion of the slat (1) is in a separated state, and the ventilation hole (2) of the slat (1) is in a separated state.
Opens and becomes ventilated.

When the ventilation hole (2) is shielded, the slat (1) to which the intermediate lock bar (6) provided in the vertical middle portion of the connected slat (1) is attached or above the slat (1). By pulling the pulled-down belt downward, the connecting fitting part of the slat (1) with a ventilation hole slides to close the ventilation hole (2). At that time, the intermediate lock bar (6) is on the left and right guide rails (4) of the shutter.
It is locked by engaging with a lock fitting (7) attached to the.

When the shutter is opened, the left and right intermediate lock bars (6) are pulled toward the center of the slat (1) to release the lock, and the winding spring (3) is released.
By the action of, the ventilation holes (2) are rolled up until they are opened. After that, like the conventional normal shutter, the lower lock is removed to wind up.

[0010]

Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 1 is a schematic front view showing a fully closed state of the shutter of the present invention. FIG. 2 is an enlarged sectional view of FIG. Figure 3 is a rear view of the shutter when the vent is opened,
FIG. 4 is an enlarged cross-sectional view of the main part of FIG. 5 is a rear view of the shutter when the ventilation port is closed, and FIG. 6 is an enlarged cross-sectional view of a main part of FIG.

As shown in FIGS. 1 and 2, the shutter is constructed by connecting a plurality of slats (1) in communication with each other, and a drum provided on the upper portion of the shutter is constantly pulled by a winding spring (3). It can be opened and closed manually. Further, in this case, an intermediate lock device (5) is provided at a position approximately half of the entire length of the shutter, a ventilation hole (2) is provided in the slat (1) below it, and a slat (1) above it is provided. The ventilation hole (2) is not provided.

As shown in FIGS. 3 and 4, the shutter is fully closed and a lower end lock fitting (14) is provided at a position corresponding to the lower end lock device (12). In this state, the intermediate lock device (5) is not locked, but only the lower end lock device (12) is locked. Therefore, the slats (1) above this are all wound up by the winding spring (3), so that the ventilation holes (2) are fully opened.

As seen in FIGS. 5 and 6, the ventilation holes (2).
Can be fully closed by setting the intermediate lock device (5) in the locked state. The intermediate lock device (5) is structured to lock by the engagement of the intermediate lock bar (6) and the intermediate lock fitting (7). The intermediate lock bar (6) is composed of two left and right members, and a compression spring (10) is interposed therebetween so as to always project toward the guide rail (4). In order to attain the locked state, the finger rest (9) provided on the upper portion of the intermediate lock bar (6) may be put on the finger and pulled down. By doing so, the intermediate lock bar (6) is compressed by the intermediate lock metal fitting (7) portion provided on the guide rail (4) and returns to the original state when it gets over, and becomes the locked state.

In order to change the shutter from the fully closed state to the fully opened state, a finger is put into a finger hook hole (11) provided in the intermediate lock bar (6) to compress the intermediate lock bar (6) and the intermediate lock bar (6). The lock of the metal fitting (7) is released, and the ventilation hole (2) is opened. Next, the lower end lock bar (13) and the lower end lock fitting (14) are unlocked by the operating portion (15) provided on the lower end lock bar (13), and the shutter is fully opened. At this time, the lower end lock bar (13) is more locked than the intermediate lock bar (6) so as not to be locked with the intermediate lock fitting (7).
The lower end lock bar (13) is shorter. Along with this, the lower end lock fitting (14) is projected more inward than the intermediate lock fitting (7). Further, in the present embodiment, only one set of the intermediate locking metal fittings (7) is provided, but if a plurality of intermediate locking metal fittings (7) are provided, the ventilation holes in the designated range can be obtained. In addition, although the finger holder (9) is provided for locking the intermediate locking device (5), if the position is out of reach of the hand, a string may be hung instead.

By providing the intermediate locking device (5) at a position as high as possible to reach, the ventilation opening area can be made large, so that the ventilation amount for general houses is almost the same as the conventional one. It can be something.

To reiterate, the present invention is a shutter in which ventilation holes are provided in the connected slats, and by providing a hoisting spring (3) having the same hoisting force as a general shutter having no ventilation function. As with a general shutter, it can be rolled up (opened) and pulled down (closed). In addition, an intermediate lock device (5) is provided at an intermediate portion in the vertical direction, and a ventilation hole is provided in a slat (1) located below the intermediate lock device. (2) is provided.

Further, a belt for pulling down the connected slat (1) having a ventilation hole or a finger rest (9) is provided on the upper part of the slat (1) having a ventilation hole, and an intermediate locking device (5). Is a pair of left and right intermediate lock bars (6) slidably mounted in the slats (1) and a pair of more than one pair engaged with the intermediate lock bars (6) provided on the left and right guide rails (4) of the shutter. It consists of a lock fitting (7).

An intermediate lock bar (6) which is slidable toward the center is provided at an intermediate portion in the vertical direction of the slat (1).
The left and right guide rails (4) attached to the window frame to which the shutter is attached are provided with a pair or several pairs of lock fittings (7) corresponding to the guide rails (4), and the slats (1) with holes are pulled down. String for (belt)
The slat (1) having the middle lock bar (6) or the slat (1) above the finger rest (9)
It is provided at the center and can be locked at the intermediate part by operating it.

The positions of the lock fittings (7) attached to the left and right guide rails (4) are in a state where the shutter is completely lowered, that is, the ventilation holes () of all the slats (1) due to the sliding of the coupling fitting portion of the shutter. It is attached to the position where it engages with the intermediate lock bar (6) when 2) is closed. Further, the amount of the opening can be adjusted stepwise by attaching the lock metal fitting (7) above this as well.

The structure of the connecting and fitting portion of the slat (1) is the same as that of the conventional example, and the structure has a ventilation hole (2) at the upper end (or the lower end) of the slat (1) and that portion is opened. Bottom (or top) of adjacent mating slats (1)
It has a structure that can be slid so as to be covered with.

[0021]

As described above, according to the present invention, by providing an intermediate lock device at a position where an intermediate portion in the vertical direction of the connected slits can be reached, the ventilation hole for ventilation of the slat provided below it is opened and closed. It's a thing, just pull the string,
Or you can just pull down the finger rest on the slats. An inexpensive shutter that has a simple structure and no malfunctions and can be used with simple operations was obtained.

[Brief description of drawings]

FIG. 1 is a schematic front view showing a fully closed state of a shutter of the present invention.

FIG. 2 is an enlarged cross-sectional view of FIG.

FIG. 3 is a rear view of the shutter when the ventilation holes are opened.

FIG. 4 is an enlarged sectional view of a main part of FIG.

FIG. 5 is a rear view of the shutter when the ventilation holes are closed.

6 is an enlarged cross-sectional view of a main part of FIG.

[Explanation of symbols]

(1) Slat (2) Ventilation holes (3) Winding spring (4) Guide rail (5) Intermediate locking device (6) Intermediate lock bar (7) Lock fitting (8) Stopper (9) Finger rest (10) Compression spring (11) Finger hanging hole (12) Bottom lock device (13) Lower end lock bar (14) Bottom lock fitting (15) Operation part

Claims (3)

(57) [Claims] 1. A slat in which a ventilation function is provided by providing a ventilation hole that is opened and closed by vertical sliding of the slats in a connecting fitting portion of slats that are slidably connected in the vertical direction. A slat is provided with a winding spring (3) that generates a force to wind the slat.
Intermediate lock bars provided on the left and right in the vertical middle part of (1)
When (6) is pulled down,
Lock fittings (7) attached to the guide rails (4)
After returning to the original state, return to the original state and attach to the lock fitting (7).
An intermediate locking device (5) for engaging and locking the winding of the slat (1) by the winding spring (3) is provided, and a ventilation hole is provided only in the slat (1) below the intermediate locking device (5). (2) is provided, a plurality of upper and lower engaging positions of the intermediate lock device (5) are provided, and the vertical sliding amount of the coupling fitting portion is adjusted by the selection of the engaging positions to close the ventilation hole (2). The shutter is characterized in that the opening amount can be gradually adjusted depending on the state. 2. A slat in which a ventilation function is provided by providing ventilation holes, which are opened and closed by vertical sliding of the slats, in a coupling fitting portion of slats vertically slidably connected to each other. A slat (1) is provided with a winding spring (3) that generates a force to wind up the slat.
Intermediate lock bars (6) provided on the left and right in the vertical middle part of the
When it is pulled down, it returns to the original state even after overcoming the lock fittings (7) attached to the left and right guide rails (4) of the shutter, and engages with the lock fittings (7) to be in the locked state. An intermediate lock device (5) for stopping the winding of the slat (1) by the winding spring (3) is provided, and a ventilation hole (2) is provided only in the slat (1) below the intermediate lock device (5), A lower end lock device (12) is provided at the lowermost end, and when the slat (1) is pulled down and locked by the lower end lock device (12), the connection fitting portion is pulled apart by the action of the winding spring (3) and the vent hole is formed. (2) opens and becomes a ventilation state, and when the slat (1) is further pulled down and locked by the intermediate locking device (5), the connecting fitting portion below the intermediate locking device (5) is compressed and compressed. Shutter hole (2) is characterized in that so as to be shielded. 3. A lower end lock device (12) is a lower end lock bar (13) attached to a slat (1) and a lower end lock attached to a guide rail (4) for engaging the lower end lock bar (13). The shutter according to claim 2, comprising a metal fitting (14).