JP2546999Y2 - Mounting structure of arm for opening and closing blades in blinds - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of an opening / closing arm for a blade in a blind such as a ceiling louver or a blind shutter.

[0002]

2. Description of the Related Art For example, as shown in FIG. 10, a ceiling louver includes a frame 1 incorporated in a ceiling, and a number of blades 3 disposed in the frame 1. The frame 1 is generally formed in a rectangular shape from a pair of a vertical frame 1A and a horizontal frame 1B opposed to each other, and is parallel to the horizontal frame 1B in the frame 1 and has a vertical frame 1A.
Are arranged at intervals in the longitudinal direction. Opening and closing arms are respectively attached to both ends of each blade plate 3 in the longitudinal direction, and by operating the operation unit 5 installed at an appropriate position, the drive unit 6 is driven to drive the vertical frame 1A.
A sliding member or the like disposed therein moves to swing the opening / closing arm, each blade plate 3 opens and closes, and the amount of sunlight is adjusted. Conventionally, the opening / closing arm is attached to the blade plate 3 by attaching a guide member to both ends of the blade plate 3 with screws or rivets, and engaging the opening / closing arm with the guide member.

[0003]

Therefore, in the conventional structure, the mounting of the opening / closing arm is troublesome, and the heads of the screws and rivets are exposed on the surface of the blade plate, resulting in poor appearance. The present invention has been devised in view of the above circumstances, and an object of the present invention is to prevent the head of a screw or a rivet from being exposed on the surface of the slat, and furthermore, to provide a one-touch installation of a slat in a blind. An object of the present invention is to provide a mounting structure for an opening / closing arm.

[0004]

In order to achieve the above object, the present invention is directed to a mounting structure of an opening / closing arm attached to each of both ends in the longitudinal direction of a blade plate, wherein the width of the blade plate is set at the back surface of the blade plate. A pair of guide grooves which are opposed to each other in the direction and extend in the longitudinal direction of the blade plate, and a base piece formed on the opening / closing arm and mounted on the back surface of the blade plate between the guide grooves And a horizontal plate portion which is disposed at both ends in the longitudinal direction of the blade plate and is engaged with the guide groove in a state where the base piece is placed on the back surface of the blade plate and located on the base piece portion. When,
A vertical plate portion that stands from the end of the horizontal plate portion and is attached to the opening / closing arm.The holder is formed of an elastic member, and the horizontal plate portion of the holder includes a blade. A spring plate portion which elastically contacts the back surface of the plate and urges the holder in a direction away from the back surface of the blade plate is integrally formed.

Further, the present invention is characterized in that the spring plate portion is formed in the horizontal plate portion through two grooves extending in the longitudinal direction of the blade plate at intervals in the width direction of the blade plate. And Further, according to the present invention, a ridge extending in the longitudinal direction of the blade plate is formed on the back surface of the blade plate between the pair of guide grooves, and a ridge portion near one end in the longitudinal direction of the blade plate is formed. A notch is provided in the base portion of the opening / closing arm disposed near one end in the longitudinal direction of the blade plate,
It is characterized in that a protruding piece that engages with the notch is formed.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a sectional front view of a main part of a ceiling louver, and FIG. 2 is a sectional side view of the same. 7 is a ceiling louver, 9 is a frame,
Reference numeral 11 denotes a blade, 13 denotes an opening / closing arm, and 15 denotes a holder for attaching the opening / closing arm 13 to the blade 11. A large number of blades 11 are arranged in parallel with a horizontal frame (not shown) at intervals in the longitudinal direction of the vertical frame 9A of the frame body 9, and open / close arms 13 are provided at both ends in the longitudinal direction of each blade 11 respectively. Are combined. A base end of the opening / closing arm 13 is swingably coupled to a mounting member 901 of the vertical frame 9A via a pin 19, and a distal end of the opening / closing arm 13 is pivotally connected to a slide plate 903 via a pin 21. Then, by moving the slide plate 903, each blade plate 11 is opened and closed with the pin 19 as a fulcrum.

FIG. 3 is a perspective view of the blade plate 11, and the blade plate 11 has a curved surface portion 1101 formed with a large radius of curvature.
And slopes 1103 formed at both ends thereof, and end faces 1105 formed at the ends of the slopes 1103. A groove 11 in which a lip material 1107 (see FIG. 2) made of rubber or the like is fitted and supported at one end of one end surface 1105.
09 is formed, and a bent piece portion 1111 is formed at the end of the other end surface portion 1105. The blade 11
On the back surface B, at the middle portion in the width direction of the curved surface portion 1101, guide grooves 1113 facing each other are formed extending in the longitudinal direction of the blade plate 11 at intervals in the width direction. The guide groove 1113 is formed by a lower wall 1113A, a side wall 1113B erected from the lower wall 1113A, and an upper wall 1113C provided at an upper end of the side wall 1113B.
13A is separated from the back surface B of the blade 11 by a predetermined dimension. A ridge 1115 having a predetermined thickness and the same height as the lower wall 1113A is formed to extend in the longitudinal direction of the blade plate 11 at the center of both the guide grooves 1113 on the back surface B of the blade plate 11,
A notch 1117 is formed near one end of the ridge 1115 in the longitudinal direction.

FIG. 4 is a perspective view showing an opening / closing arm 13A provided at one end 11A of the blade plate 11 on the side where the notch 1117 is formed, and the other end of the blade plate 11 is provided. FIG. 5 is a perspective view showing the opening / closing arm 13B provided on the 11B. Opening / closing arms 13A and 13B are base pieces 1
301 and a mounting piece 1303 that stands up from the end of the base piece 1301. The mounting piece 1303 has two holes 1
305, 1307 are formed and each hole 1305, 1307
A bush 1309 is fitted into the hole, the pin 19 is inserted into the hole 1305 near the base piece 1301, and the pin 21 is inserted into the hole 1307 from the tip. Base part 1301
The guide groove 1113 and the ridge 11
15, has a rectangular shape in a plan view, has a notch 1311 formed at an intermediate portion in the longitudinal direction, and has a protrusion at the tip of a base piece 1301 of one opening / closing arm 13A. A protruding piece 1313 that engages with the notch 1117 of the ridge 1115 is formed.

The opening and closing arms 13 are each provided with a holder 15.
6 is a perspective view of the holder 15 as viewed from obliquely above, and FIG. 7 is a perspective view of the holder 15 as viewed from obliquely below. The holder 15 is formed of a member having elasticity and includes a horizontal plate portion 1501 and a vertical plate portion 1503. As shown in FIGS.
Are disposed facing the inside in the longitudinal direction of the slat 11. The vertical plate portion 1503 has a hole 150 through which the pin 19 is inserted.
5 are formed, and a reinforcing wall 1507 is formed so as to bulge over the horizontal plate portion 1501 and the vertical plate portion 1503.

The horizontal plate portion 1501 is provided with the guide groove 1113.
A spring plate portion 1511 is formed at the center of the horizontal plate portion 1501 by two slits 1509 extending in the longitudinal direction of the blade plate and spaced apart in the width direction of the blade plate. Is formed. The spring plate portion 1511 includes:
An inclined surface portion 1511A extending obliquely downward from a portion located near the vertical plate portion 1503, a bent portion 1511B formed at the lower end of the inclined surface portion 1511A, an upright surface portion 1511C rising upward from the bent portion 1511B, and an upright surface portion Fifteen
An upper surface portion 1511D extending from the upper end of the upper portion of the horizontal plate portion 1501 in parallel with the horizontal plate portion 1501 and extending forward from the upper end of the upper surface 1111C. The inclined surface portion 1511A, the bent portion 1511B, and the upright surface portion 1511C are provided with the protrusions 1115. Corresponding width,
A slit 1513 is formed at a height. The spring plate portion 1511 has a direction in which the bent portion 1511B is engaged with the back surface B of the blade plate 11 and the holder 15 is separated from the back surface B of the blade plate 11 in a state where the horizontal plate portion 1501 is engaged with the guide groove 1113. And urges the horizontal plate portion 1501 into the guide groove 1113.
And presses against the upper wall 1113C.
By lifting 1D, the bent portion 1511B becomes the slat 11
The bent portion 1511B is separated from the back surface 11B of the
Is released from the state of engagement with the back surface B.

As shown in FIGS. 8 and 9, the base pieces 1301 of the opening / closing arms 13A and 13B are placed on the back surface B of the blade plate 11 between the guide groove 1113 and the ridge 1115. Thus, the guide plate 1113 is covered with the horizontal plate portion 1501 and the spring plate portion 1511 both ends of which are engaged with the guide grooves 1113. The pin 19 is inserted into the hole 1505 of the vertical plate portion 1503 in a state where the vertical plate portion 1503 and the mounting piece portion 1303 are overlapped with each other.
5 are connected and swingably coupled to the mounting member 901 of the vertical frame 9A.

Next, mounting of the opening / closing arm 13 will be described. First, a case where the opening / closing arm 13A is attached to one end 11A of the blade plate 11 will be described with reference to FIG. 8. The horizontal plate portion 1501 is engaged with the guide groove 1113 and the holder 15 is attached to the blade plate 11. Then, the blade 11 is slid to an inner position away from the end 11A. An opening / closing arm 13A is provided on the back surface B of the blade plate 11 between the ridge 1115 and the guide groove 1113.
The base piece 1301 is placed, and the protruding piece 1313 is positioned in the notch 1117. Next, the holder 15 is slid to the end 1A of the slat 11. By this sliding, when the bent portion 1511B of the spring plate portion 1511 is positioned on the base piece 1301 of the opening / closing arm 13A, the bent portion 1511B is once lifted onto the base piece 1301 of the opening / closing arm 13A. Holder 1 until 1511B is located within notch 1311 of opening / closing arm 13A.
When 5 is slid, the bent portion 1511B swings to the back surface B side of the blade plate 11 through the notch 1311 and engages with the back surface B of the blade plate 11. Next, holes 1305 and 150
5. Holder 15 and opening / closing arm 13 via pin 19
A is connected, and the mounting of the opening / closing arm 13A at one end 11A of the slat 11 is completed.

[0013] When the attachment is completed, the bent portion 1
511B is engaged with the back surface B of the blade plate 11, the elasticity of the spring plate portion 1511 urges the holder 15 in a direction away from the back surface B of the blade plate 11, and both sides of the horizontal plate portion 1501 Since it is pressed by the upper wall 1113C, even if there is a dimensional error in the height or the like of the guide groove 1113,
The holder 15 is inserted into the guide groove 111 without rattling.
3 and thus this holder 15
Rattling of the opening / closing arm 13A attached to the vehicle. When it is desired to move the holder 15 and the opening / closing arm 13 along the longitudinal direction of the slat 11 within a range in which the protruding portion 1313 can move within the notch 1117, the upper surface portion 1511D is lifted and the bent portion 1511B is moved. This is performed by moving the holder 15 away from the back surface B of the blade plate 11 and sliding the holder 15 in this state. In addition, one end 1 of the slat 11
In 1A, since the protruding piece 1313 is located within the notch 1117, the holder 15 and the opening / closing arm 13A do not come off from the blade 11.

Next, a case where the opening / closing arm 13B is attached to the other end 11B of the blade plate 11 will be described with reference to FIG. 9. As described above, the horizontal plate 1501 is engaged with the guide groove 1113. Then, the holder 15 is attached to the slat 11, and is slid to an inner position away from the end 11 B of the slat 11. Next, the base piece 1301 of the opening / closing arm 13B is placed on the back surface B of the blade plate 11 between the protrusion 1115 and the guide groove 1113, and the holder 15
To the end 1B of the slat 11. As a result of this sliding, when the bent portion 1511B of the spring plate portion 1511 is positioned on the base piece 1301 of the opening / closing arm 13A, the bent portion 1511B is once moved to the opening / closing arm 13A as described above.
Is lifted onto the base piece 1301 of the
When holder 15 is slid until 1B is positioned within notch 1311 of opening / closing arm 13A, notch 1
311 and the bent portion 1511B becomes the back surface B of the slat 11
And engages with the back surface B of the slat 11. Since the other end portion 11B of the blade plate 11 does not have the notch 1117 and the protrusion 1313, the holder 15 is moved in the state where the horizontal plate portion 1501 is engaged with the guide groove 1113.
And the base 1301 of the opening / closing arm 13 may be inserted between the horizontal plate 1501 of the holder 15 and the back surface B of the blade 11. Next, hole 1
The holder 15 and the opening / closing arm 13B are connected via the pins 19 and 305, 1505, and the one end 1
The mounting of the opening / closing arm 13B in 1B is completed.

In the state where this mounting is completed, the bent portion 1
Since 511B is engaged with the back surface B of the blade plate 11, both sides of the horizontal plate portion 1501 are provided with the guide grooves 1113 in the same manner as described above.
Even if there is a dimensional error in the height or the like of the guide groove 1113 due to being pressed by the upper wall 1113C, the holder 15 can be attached to the guide groove 1113 without causing backlash,
Opening / closing arm 13A attached to this holder 15
The rattling can be prevented. When it is desired to move the holder 15 and the opening / closing arm 13B along the longitudinal direction of the slat 11, the upper surface 1511D is lifted, and the bent portion 1511B is moved away from the back B of the slat 11, as described above. At the other end 11B, a notch 111
7 and the protruding portion 1313, the holder 15 and the opening / closing arm 13B
Slides to the outside of the blade plate 11 to absorb this thermal expansion deformation, and the opening and closing operation of the blade plate 11 is performed without any trouble.

[0016]

As is apparent from the above description, according to the mounting structure of the opening / closing arm according to the present invention, when the opening / closing arm is attached to both ends of the blade plate, a simple operation of sliding the holder along the guide groove. This makes it possible to mount the screw or rivet with one touch, and eliminates the disadvantage that the head of the screw or rivet is exposed on the surface of the blade plate.

[Brief description of the drawings]

FIG. 1 is a sectional front view of a main part of a ceiling louver.

FIG. 2 is a sectional side view of a ceiling louver.

FIG. 3 is a perspective view of a blade plate.

FIG. 4 is a perspective view of one opening / closing arm.

FIG. 5 is a perspective view of the other opening / closing arm.

FIG. 6 is a perspective view of the holder as viewed obliquely from above.

FIG. 7 is a perspective view of the holder as viewed from obliquely below.

FIG. 8 is a plan view showing an assembled state of one holder, an opening / closing arm, and a blade.

FIG. 9 is a plan view showing an assembled state of the other holder, the opening / closing arm, and the blade.

FIG. 10 is a perspective view of a ceiling louver.

[Explanation of symbols]

 Reference Signs List 7 ceiling louver 9 frame body 11 blade plate 13 opening / closing arm 15 holder 1113 guide groove 1115 ridge 1301 base piece 1501 horizontal plate 1503 vertical plate 1511 spring plate

Claims (3)

(57) [Scope of request for utility model registration] 1. A mounting structure of an opening / closing arm attached to each of both ends in the longitudinal direction of a blade plate, wherein the opening / closing arms are spaced apart from each other on the back surface of the blade plate in the width direction of the blade, and are opposed to each other. A pair of guide grooves extending in the direction, a base piece formed on the opening / closing arm and mounted on the back surface of the blade plate between the guide grooves, and disposed at both ends in the longitudinal direction of the blade plate. A horizontal plate portion which is engaged with the guide groove in a state where the base portion is placed on the back surface of the blade plate and is located on the base portion; A holder comprising a vertical plate portion attached to the arm, wherein the holder is formed of an elastic member, and the horizontal plate portion of the holder is in elastic contact with the back surface of the blade plate, and the holder is formed of a blade plate. A spring plate portion biasing in a direction away from the back surface is integrally formed. The mounting structure of the arm for opening and closing the blades in the blind. 2. The blind according to claim 1, wherein the spring plate portion is formed in the horizontal plate portion through two grooves extending in the longitudinal direction of the blade plate at intervals in the width direction of the blade plate. Mounting structure for the opening / closing arm of the blade. 3. A ridge extending in the longitudinal direction of the blade plate is formed at a position on the back surface of the blade plate between the pair of guide grooves, and a ridge portion near one end in the longitudinal direction of the blade plate is formed. 3. A notch is provided, and a protruding portion that engages with the notch is formed on a base portion of the opening / closing arm disposed near one end in the longitudinal direction of the blade plate. A mounting structure for an opening / closing arm of a blade in the blind described in the above.