JP2002070456A - Noise control equipment for shutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide noise control equipment for a shutter, capable of being easily manufactured at a low cost. SOLUTION: The noise control device is provided with a pressing member 2, a guide member 3 and an operation member 4. The guide member 3, disposed between the inner wall surface of a guide frame 14 and a slat 1 getting into the guide frame 14, is provided with a guide part 31 installed protrusively on the side of the slat 1. The pressing member 2, composed of a frame part 23 and an elastic pressing part 24, is disposed between the slat 1 and the guide member 3 in such a vertically movable manner as to be able to move in a longitudinal direction for approaching and facing the slat 1. Additionally, the pressing member 2 has an abutting part 21 protruding gradually toward an upward direction to the rearward side on the side of the guide member 3. The operation member 4 is provided with a dog leg-shaped rack 41 fixed to the pressing member 2 and a rotatable pinion gear 42 meshed with the rack 41. The pressing member 2 is moved to a downward side with the rotational operation of the pinion gear 42. In the case of the movement, the slide of the abutting part 21 and the guide part 31 allows the pressing member 2 to be guided to the side of the slat 1 so as to press the slat 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shutter pressing device which can be freely opened and closed at an entrance, a window or the like. More specifically, a shutter slat is pressed to reduce noise caused by wind of the shutter in a closed state or the like. The present invention relates to an improvement in a device for preventing such a problem.

[0002]

2. Description of the Related Art Conventionally, doors, windows, and the like are often provided with shutters. This shutter is guided by inserting the left and right ends of the slat into the guide grooves of the guide frame provided on the left and right sides of the slat,
The entrance and the like can be opened and closed (see FIG. 1). However, for example, when the wind or an object hits the slat in the closed state, the slat hits the guide frame and generates noise. To solve this problem, for example, Japanese Unexamined Utility Model Publication No. 4-62895 has proposed a shutter noise prevention device. As shown in FIGS. 18 (A) and (B), this device comprises a pressing plate a for pressing a slat e, and a pressing plate a.
Operating rod b, a plurality of connecting rods c ... c rotatably connected to each of the pressing plate a and the operating rod b, and connecting rods c ... c
A plurality of shafts d1... D1 supported on the right and left sides of the slat e in the closed state by attaching the shafts d1. Plates a and a are provided. When the operating rod b is pushed upward from the state shown in FIG. 18A, the connecting rods c... C rotate about the axes d1. The slat e is pushed forward while moving to the side, and presses the rear side of the slat e. However, in this case, the push plate a, the operating rod b, the plurality of connecting rods c ... c, and the axes d1 ... d1 must be assembled, and the axes d1 ... d1 must be attached to the guide frames d, d, respectively. However, there is a problem that it takes a long time to manufacture and the manufacturing cost is high. Further, as shown in FIG. 18 (B), since the push plates a, a project from the inside of each of the guide frames d, d, the shutter is opened when the slat e is opened. The opening width L of the doorway or the like provided with is narrowed as compared with the case where the device is not provided, and the push plates a, a and the guide frames d, d interfere with other objects. There are issues.

[0003]

SUMMARY OF THE INVENTION The first object of the present invention is to provide a shutter noise prevention device which can be easily manufactured at low cost.

A second object of the present invention is to provide a shutter noise prevention device which is housed in a guide frame and does not reduce the opening width of an entrance or the like.

[0005]

The present invention solves the above-mentioned problems by providing a shutter noise prevention device having the following features. The first invention of the present application is a slat 1
Into the guide grooves 14a of the guide frame 14 provided on the left and right sides of the
This is a pressing device used for a shutter that can open and close the entrance 11 and the like by inserting and guiding the left and right end portions 1a and 1a of the slat 1. The pressing device includes a pressing member 2 for pressing the slat 1 in a state of being inserted into the guide groove 14 a of the guide frame 14, a guide portion 31 for guiding and moving the pressing member 2 toward the slat 1,
310. The pressing member 2 is movably disposed between the slat 1 in the state of being inserted into the guide groove 14a and the guide portions 31 and 310 so as to be able to approach / retreat with respect to the slat 1 so that the pressing member 2 can be moved. 2 can press and release the slat 1. Further, at least one of the pressing member 2 and the guide portions 31 and 310 is
0 is provided. Then, when the pressing member 2 or the guide portions 31 and 310 slide on the slopes 21 and 310, the pressing member 2 is guided and moved to the slat 1 side to press the slat 1. Then, the pressing member 2 is
And a pressing portion 24 having elasticity.

According to a second aspect of the present invention, a guide part 316 for guiding and moving the pressing member 2 of the shutter noise prevention device according to the first aspect of the present invention toward the slat 1 is formed separately from the guide member 3. The guide 316 is attached to the inner wall surface of the guide member 3.

In the first invention of the present application having the above-described structure, the slat 1 can be approached / retracted between the slat 1 inserted into the guide groove 14a and the guide portions 31 and 310. Pressing member 2 movably arranged
Slope 2 is provided on at least one of the
1, 310 are provided. By doing this,
For example, if the pressing member 2 is moved with respect to the guide portions 31 and 310, the pressing member 2 or the guide portions 31 and 310
The slat 1 can be pressed by sliding the pressing member 2 to guide and move the pressing member 2 toward the slat 1. Therefore, it is sufficient to provide the pressing member 2 and the guide portion 31, so that the number of components can be reduced, and it is not necessary to assemble many components as in the related art. Can be manufactured at cost. Further, the pressing portion 2 of the pressing member 2 pressing the slat 1
4 is made of an elastic material such as a synthetic resin or a soft rubber, for example, so that noise of the shutter can be more effectively prevented. Note that the expression “elasticity” in the present invention refers to elasticity to such an extent that it is elastically deformed by a force applied when pressed.

In the second invention of the present application, the guide portion 316 for guiding and moving the pressing member 2 toward the slat 1 is provided.
Since the guide member 3 is formed separately from the guide member 3, processing on the long guide member 3 can be simplified, and it can be manufactured at low cost.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a rear view of an entire shutter provided with a shutter noise prevention device of a shutter according to a first embodiment of the present invention, and FIG.
FIG. 3 is a sectional view taken along the line III-III in FIG.
FIG. 4 is a sectional view taken along line IV-IV in FIG.

First, a brief description will be given of the entire shutter provided with the shutter noise prevention device of the shutter of the present invention. The slat 1 of the shutter is the same as that conventionally used, and is formed by connecting a plurality of slat pieces, and is provided at, for example, an entrance 11 as shown in FIG. A storage box 12 is mounted above the entrance 11. A rotatable take-up drum is provided in the storage box 12, and the upper end of the slat 1 is attached to the take-up drum so that the slat 1 is wound around the take-up drum from the upper end side. It is stored. On each of the left and right sides of the entrance 11, rectangular tubular guide frames 14, 14 are provided as a left and right pair, respectively. As shown in FIG. 3, each of the guide frames 14, 14 is provided with a guide groove 14a on the opposing side surface from the upper end to the lower end. Then, both left and right end portions 1a, 1a of the slat 1 wound on the winding drum
Can enter the guide frame 14 from the guide groove 14a of the guide frame 14 and move up and down along the guide groove 14a so that the entrance 11 can be opened and closed.

A noise prevention device for a shutter of a slat according to a first embodiment of the present invention includes pressing members 2 and 2, guide members 3 and 3, and operation members 4 and 4. They are,
Since the right and left guide frames 14 are provided as a pair, one of the right side (left side in FIG. 1) will be described below, and the left side will be omitted.

The pressing member 2 is for pressing the slat 1 which has entered the guide frame 14 from the guide groove 14a, and comprises a frame portion 23 and a resin pressing portion 24. In this embodiment, as shown in FIG. 3, the frame portion 23 is formed of an elongated body having a U-shaped cross section including a rear side wall 23a having an open front side and left and right side walls 23b and 23c.
Is made of a resilient material such as a sheet of soft rubber or synthetic resin, is formed of a long body having a U-shaped cross section with an open rear surface, and a pressing portion 24 is bonded or fitted to the inner wall side of the frame portion 23. And so on. The vertical length of the pressing member 2 is slightly shorter than the length of the guide frame 14 so that the pressing member 2 can be housed inside the guide frame 14. Also, as shown in FIG.
A contact portion 21 is provided substantially at the center in the vertical direction on the rear side of “a”. The contact portion 21 is to be brought into contact with a guide portion 31 of the guide member 3 described later, and is formed so as to gradually project rearward as going upward. still,
The pressing portion 24 may have a solid cross-sectional shape, or may be formed by molding a film or sheet-like resin. In particular, a sheet having elasticity in the form of a flat plate may be used, and the sheet may be curved by the elasticity so as to be fitted into the U-shaped frame portion 23.

The guide member 3 is formed of a long body having substantially the same length as the pressing member 2. As shown in FIG. 3, the guide member 3 has an open front surface, and has a U-shaped cross section including a rear side wall 3a and left and right side walls 3b, 3c. The inner width between the left and right side walls 3b and 3c of the guide member 3 is set to be substantially the same as the outer width between the left and right side walls 23b and 23c of the frame portion 23 of the pressing member 2, and Wall 3
The pressing member 2 can be fitted inside between b and 3c. Further, as shown in FIG.
A guide portion 31 is provided at a position slightly below the center in the vertical direction on the front side of “a”. The guide portion 31 is for guiding and moving the pressing member 2 toward the slat 1, and is formed by projecting a part of the rear wall 3a forward.

The pressing member 2 and the guide member 3
Is a side end 1a of the slat 1 in the guide frame 14 in a state where the left and right side walls 23b and 23c of the frame 23 of the pressing member 2 are fitted inside the left and right side walls 3b and 3c of the guide member 3. Is coordinated between The guide member 3 is
Although not shown, it is fixed to the rear side wall of the guide frame 14 by fixing means such as bolts. On the other hand, when the pressing member 2 is arranged in the guide frame 14, the left and right side walls 23 b and 23 c of the frame portion 23 and the left and right side walls 3 b and 3 c of the guide member 3 are arranged.
Although movement in the left-right direction is regulated by the above, a gap t is formed between the front part of the pressing part 24 and the side end part 1a of the slat 1 that has entered the guide frame 14, and
It is movable in the front-rear direction by the gap t, and freely moves between the guide member 3 and the side end 1a of the slat 1 and is movable up and down.

In this embodiment, the guide frame 1
A coil spring 5 is connected to the pressing member 2 and the guide member 3 housed in 4. This coil spring 5
Is a biasing means for biasing the pressing member 2 toward the guide member 3 on the rear side, and the pressing member 2 in the normal state is connected to the side end 1a of the slat 1 by the coil spring 5. A gap t is held between the slats 1 so as not to come into contact with the side end 1a of the slat 1. or,
When the pressing member 2 moves downward by the coil spring 5, it is also urged upward and pulled back.

In this embodiment, the operating member 4 includes a rack 41 attached to the pressing member 2 as shown in FIG.
The rack 41 is provided with a pinion gear 42 that meshes with the rack 41. The rack 41 has a tooth portion 41 on the rear side.
a, and is bent and formed in a U-shape from substantially the center to the rear side. Then, the lower front surface of the rack 41 is fixed to the lower side of the contact portion 21 on the rear surface side of the rear side wall 23 a of the frame portion 23 of the pressing member 2, so that the tooth portion 41 is formed.
a faces the rear side, and the upper tooth portion 41b
Is gradually inclined backward as it goes upward. The inclination angle is set so that the pressing member 2 moves downward while sliding on the guide portion 31 of the guide member 3 in the obliquely downward direction.

The pinion gear 42 is disposed between the pressing member 2 and the guide member 3 so as to mesh with the teeth 41 a of the rack 41, and is rotatably supported by the guide frame 14 via a shaft 43. ing. More specifically, as shown in FIG. 4, the right end of the shaft 43 is attached to the pinion gear 42, and the left end of the shaft 43 is passed through the shaft insertion hole 32 provided in the guide member 3.
Further, by passing through a shaft insertion hole 15 formed in the guide frame 14, the guide frame 14 comes out of the guide frame 14 to the left side outside the guide frame 14. An operation lever 44 is attached to the left end of the shaft 43 protruding out of the guide frame 14. By rotating the operation lever 44, the pinion gear 42 meshed with the rack 41 is rotated. It is made to be able to do. Incidentally, the pinion gear 42 meshed with the rack 41 is, as shown in FIG.
The pinion gear 42 is set so as to be positioned at the center bent portion of the rack 41 when the guide member 1 and the guide portion 31 of the guide member 3 come into contact with each other.

Next, a method of using the shutter noise prevention device of the first embodiment configured as described above will be described. First, the slat 1 is lowered to the closed state in FIG. 2 in which the entrance 11 is closed, and the operation lever 44 is rotated from the closed state. As a result, the pinion gear 42 rotates, the rack 41 meshed with the pinion gear 42 is pushed down, and the pressing member 2 starts to move downward. When the pressing member 2 starts to move downward, the contact portion 21 of the pressing member 2 contacts the guide portion 31 of the guide member 3 and slides. At that time, as shown in FIG.
Since the contact portion 21 gradually projects rearward as going upward, the pressing member 2 moves downward and is simultaneously guided forward. In addition, the tooth portion 41 on the upper side of the rack 41
As the pressing member 2 moves forward, the pinion gear 42 and the rack are set so that the pressing member 2 moves forward in the obliquely downward direction. The pinion gear 42 pushes the rack 41 downward without disengagement from the gear 41. Therefore, the tooth portion 41b on the upper side of the rack 41 is provided with an engagement maintaining means 41 for maintaining the engagement with the pinion gear 42 at all times.
b, the meshing state is always maintained even when the pressing member 2 moves in the front-rear direction, and the pressing member 2 can be smoothly fed to the pressing member 2 side. Then, by moving the pressing member 2 downward and forward, the slat 1 is pressed forward from the rear side,
The slat 1 can be pressed against the guide frame 14 and fixed.
Note that a detent may be provided on the fixed operation lever 44 so that the pinion gear 42 does not reversely rotate after the fixation so that the pressing member 2 is not securely returned upward. As described above, the slat 1 in the closed state can be fixed to the guide frame 14, so that the slat 1 does not emit a loud noise even if the slat 1 is hit by wind or other objects. Further, the slat 1 can be fixed in the middle of the guide frame 14.

On the other hand, when releasing the fixed state of the slat 1 in the closed state fixed to the guide frame 14, the operation lever 44 may be rotated in the reverse direction.
The rack 41 can be pushed up while sliding along the guide portion 31 of the guide member 3. Further, since the pressing member 2 is urged upward and rearward by the urging force of the coil spring 5, the operation lever 44 can be easily operated, and the contact portion 21 of the pressing member 2 can be guided by the guide member 3. The part 31 can be returned to the original position shown in FIG. Thereby, the slat 1 can be released. In the state where the slat 1 is unlocked,
The gap t can be reliably formed between the slat 1 and the pressing member 2, and even when the slat 1 is moved, the slat 1
Can be prevented.

If the slat 1 is fixed by the above-described structure, the pressing member 2 having the contact portion 21 is simply provided.
When the guide member 3 having the guide portion 31 is combined with the slat 1, the pressing member 2 can be pressed and fixed to the slat 1, and a simple component configuration can be achieved. Therefore, it can be manufactured at low cost, can be easily assembled to a shutter, and can be easily attached to a conventional shutter. Further, by disposing the pressing member 2 and the guide member 3 in the guide frame 14, the opening width L (shown in FIG. 1) of an entrance or the like provided with a shutter can be reduced. The opening width L can be kept the same as that of the conventional product, and it is possible to prevent the opening width L from becoming narrow as in the conventional product.

In the first embodiment, the rack 41 is fixed to the pressing member 2. For example, the rack 41 is fixed to the guide member 3 or the guide frame 14, and the pinion gear 42 is rotated by the pressing member 2. The pinion gear 42 may be freely mounted and the pinion gear 42 may be moved together with the pressing member 2. In this case, when the pressing member 2 is moved forward as the pressing member 2 is moved downward as in the above-described embodiment, the rack 41 is used.
If the lower tooth portion of the rack 41 is gradually projected forward as it goes downward, the lower tooth portion of the rack 41 functions as the engagement maintaining means 41b, and the pressing member 2 moves downward. When the pinion gear 4 is moved forward,
The engagement between the rack 2 and the rack 41 can be prevented from coming off. Further, the tooth portion 4 serving as an engagement maintaining means 41b for always maintaining the engagement with the pinion gear 42 in the rack 41.
1b is not limited to a linearly inclined form, and may be formed in an arc shape, and may be changed as appropriate. Such a rack 4
The shutter noise prevention device of the present embodiment including the pinion 1 and the pinion gear 42 is configured as follows.

A pressing member 2 for pressing the slat 1 in a state of being inserted into the guide groove 14a of the guide frame 14, a guide portion 31 for guiding and moving the pressing member 2 toward the slat 1, and an operating member 4 are provided. And the pressing member 2 is movably arranged between the slat 1 and the guide portion 31 in a state of being inserted into the guide groove 14a so as to be able to approach and retreat with respect to the slat 1. 3 is slat 1
The pressing member 2 can be pressed and released.
Has a contact portion 21 that can contact the guide portion 31, and at least one of the contact portion 21 and the guide portion 31 is pressed from the pressing member 2 side to the guide portion 31 side or from the guide portion 31 side. The pressing member 2 is formed so as to gradually project toward the member 2 side.
And the guide portion 31 are relatively movable, and the operation member 4
Has a rack 41 and a rotatable pinion gear 42 meshed with the rack 41, and the rack 41 is always meshed with the pinion gear 42 when the pressing member 2 moves toward or retreats from the slat 1. The rack 41 or the pinion gear 42 is attached to the pressing member 2, and the pinion gear 42
Is rotated, the pressing member 2 is moved to the guide portion 31.
The contact portion 21 of the pressing member 2 and the guide portion 31 slide relative to each other, and the pressing member 2 is guided and moved to the slat 1 side by this sliding to press the slat 1.

In this embodiment, the operating member 4 is operated by the rack 41 and the pinion gear 42. However, the present invention is not limited to this embodiment.
May be fixed to the pressing member 2 and the operating lever 44 may be moved up and down with respect to the guide member 3 so that the pressing member 2 is moved up and down. For details, see, for example, FIG.
As shown in FIG. 7, the guide member 3 and the guide frame 14 are provided with long grooves 33 and 14b extending in the vertical direction, and one end of a lever shaft 44c provided on the operation lever 44 is connected to the pressing member 2.
To the lever shaft 44c.
Is extended out of the guide frame 14 through the long grooves 33 and 14b, and an operation lever 44 is provided at the other end of the lever shaft 44c. When the operation lever 44 is pressed downward, the contact portion 21 of the pressing member 2 is slid on the guide portion 31 of the guide member 3, and the pressing member 2 can be moved downward and forward. Also, in this case,
For example, the lever shaft 44 c fixed to the pressing member 2 may be extended to the left from the left side surface 16 of the guide frame 14 and provided on the operation lever 44. In that case, by providing a loose fitting groove on the left side surface 16 of the guide frame 14 in which the operation lever 44 can be loosely fitted in the up-down direction and the front-rear direction, the pressing member can be moved in accordance with the movable operation of the operation lever 44. 2 can be moved up and down and back and forth. Further, in this case, a detent means may be provided on the operation lever 44 so that the operation lever 44 moved downward does not unexpectedly return upward. For example, as shown in FIGS. 6, 7 and 8, the long groove 1 of the guide frame 14 is used.
At the front side of 4b, two elastic members 7, 7 each having a wire formed in a wavy shape are inserted into the long groove 14b from both left and right sides of the long groove 14b.
The long grooves 14b are formed by the elastic members 7 and 7 to form narrow portions 71... 71 narrower than the diameter of the lever shaft 44c of the operation lever 44, and
The operating lever 44 is moved downward along the long groove 14b while pushing and widening the narrow portions 71... 71 against the elasticity of the elastic members 7 and 7 to enter the narrow portions 71. Thus, when the operation lever 44 that has entered the narrow portions 71... 71 attempts to return to the upper side, the lever shaft 44 of the operation lever 44
c, the resistance force of the elastic members 7, 7 is applied, and the operation lever 44
Can be kept in that position. The narrow portions 71... 71 need not be provided as shown in FIG.
Is provided, the guide frame 14 can be used even when the position of the operation lever 44 when the pressing member 2 is moved to the slat 1 side is different because the front and rear widths of the guide frame 14 are different.
4 can be adapted to various types having different front and rear widths.

The detent means of the operating lever 44 is not limited to the above-mentioned type using the elastic members 7 and 7, but the frame part of the pressing member 2 as shown in FIGS. 23, the left and right side walls 23b and 23c of the guide member 3
The pressing member 2 is movable in the left-right direction with respect to the guide member 3 so that a gap t1 can be formed between the pressing member 2 and the guide frame 3, and a wide rise preventing latch is provided at the lower end of the long groove 14b of the guide frame 14. A groove 14c is formed, and
After the operation lever 44 is pressed down, the lever shaft 44c of the operation lever 44 may be inserted into the locking groove 14c for preventing rise as shown in FIG. 9B. By doing so, the operation lever 44 does not suddenly move upward, and the pressing member 2 can be reliably maintained in a depressed state. At this time, a wide descent prevention locking groove 14d may be formed at the upper end of the long groove 14b of the guide frame 14 as shown by a two-dot chain line in FIG. 9 (B). Accordingly, when the pressing member 2 is not used, if the pressing member 2 is not used, the slat 1 is operated when the pressing member 2 is not used if the lever shaft 44c is inserted into the locking groove 14d for preventing the pressing while the pressing member 2 is not operated. The slat 1 can be prevented from hitting the pressing member 2.

Further, in this embodiment, the means for moving the pressing member 2 is operated by manually operating the operation lever 44. However, the present invention is not limited to this mode, and for example, as shown in FIG. A) As shown in FIG.
A slat receiving piece 45 as an operating member may be provided at the lower end of the slat, and the pressing member 2 may be lowered together with the slat 1 by the slat receiving piece 45. More specifically, as shown in FIG. 10A, the slat receiving piece 45 is provided at the lower end of the pressing member 2 so as to protrude toward the slat 1. When the slat 1 is lowered, the lower end of the slat 1 comes into contact with the slat receiving piece 45 as shown in FIGS. 10A and 10B, and the pressing member 2 is lowered together with the slat 1 being lowered. As a result, the pressing member 2 moves toward the slat 1 while descending, and presses the slat 1. By doing so, it is sufficient to simply lower the slats 1, and when the slats 1 are closed, the slats 1 can be naturally pressed and the same operation as that of the conventional product without the shutter noise prevention device can be performed. . In addition, it is not necessary to provide the operation lever 44 and the like, and it can be manufactured at low cost. In this case, as shown in FIGS. 10A and 10B, the same coil spring 5 as described above
If the slat 1 is raised, the pressing member 2 is naturally pulled up by the urging force of the coil spring 5, whereby the pressing member 2 moves upward. It moves to the guide member 3 side while moving, and the pressing member 2 can be separated from the slat 1, and can return to the state shown in FIG. Therefore, even when the slat 1 pressed by the pressing member 2 is released, no operation is required, and the same operation as the conventional product without the shutter noise prevention device can be performed. As means for releasing the pressing member 2 pressing the slat 1, such a coil spring 5
For example, an operating lever may be provided on the pressing member 2 instead of the coil spring 5, and the operating member may be operated to pull up the pressing member 2. However, in this case, the operating lever must be operated each time the slat 1 is pulled up, so that it is preferable to provide the coil spring 5.

In the first embodiment, the guide portion 31 of the guide member 3 is formed in a projecting shape, and the contact portion 21 of the pressing member 2 is formed.
Is gradually projected toward the guide member 3 as going upward. However, the present invention is not limited to this form. For example, the contact portion 21 of the pressing member 2 is formed in a projecting shape, and the guide portion 31 of the guide member 3 is formed.
Is gradually projected toward the pressing member 2 side as going downward, or the contact portion 21 of the pressing member 2 is gradually projected toward the guiding member 3 side as going upward, and the guiding portion 31 of the guiding member 3 is pushed downward. You may make it protrude gradually toward the pressing member 2 side as it goes. Further, in the present embodiment, when the pressing member 2 is moved downward, the pressing member 2 is moved forward, but when the pressing member 2 is moved upward, the pressing member 2 is moved forward. In this case, for example, the contact portion 2 of the pressing member 2
It is only necessary to gradually project 1 toward the guide member 3 as it goes down. When the pressing member 2 is moved forward, the direction in which the pressing member 2 is moved with respect to the guide member 3 is such that the contact portion 21 of the pressing member 2 gradually projects toward the guide member 3 as it goes upward. The pressing member 2 is not limited to be moved in the vertical direction. For example, the contact portion 21 of the pressing member 2 is gradually protruded toward the guide member 3 as going to the right or left so that the pressing member 2 is moved in the left and right direction with respect to the guide member 3 Move, or
The contact portion 21 of the pressing member 2 may be gradually protruded toward the guide member 3 as it goes diagonally downward or diagonally upward to move the pressing member 2 in the diagonal direction with respect to the guide member 3. obtain.

In this embodiment, the frame 2 of the pressing member 2
Right and left side walls 23b provided on each of the guide member 3 and the guide member 3;
3c, 3b, and 3c function as means for restricting the movement of the pressing member 2 in the left-right direction with respect to the guide member 3.
It may not be provided with b and 3c. In the case where the guide member 3 is constituted by only the guide portion 31 without providing the left and right side walls 3b and 3c, the guide member 3 separate from the guide frame 14 may be attached to the guide frame 14. The guide portion 31 may be formed by projecting a part of the rear side surface of the guide frame 14 to the front side, and may be appropriately changed.

On the other hand, in the present embodiment, the urging means 5 for urging the pressing member 2 toward the guide member 3 on the rear side is provided, but the urging means 5 may be omitted. Well, it can be changed as appropriate. When the coil spring 5 is provided as the urging means 5, a plurality of coil springs may be provided, for example, provided at two places, an upper part and a lower part, of the pressing member 2, and may be changed as appropriate.

Next, a noise suppression device for a shutter according to a second embodiment will be described with reference to FIGS.
The shutter noise prevention device of the second embodiment is the same as the first embodiment.
As in the embodiment, it includes pressing members 2 and 2, guide members 3 and 3, and operation members 4 and 4 (not shown).

As shown in FIG. 11, each of the guide members 3 and 3 of the second embodiment has a front side having a rear side wall 3a and left and right side walls 3b and 3c, as in the first embodiment. Is formed in an elongated body having a U-shaped cross section,
Left side wall 3b and right side wall 3c of guide member 3 of embodiment
In each of these, inclined grooves 310, 310 as a guide portion are formed. These inclined grooves 310, 310 are formed so as to form a left-right symmetrical shape on the left side wall 3b and the right side wall 3c. Hereinafter, the inclined grooves 310 formed in the right side wall 3c will be described. This inclined groove 310 corresponds to FIG.
As shown in the figure, the upper locking groove 31 extending substantially straight in the vertical direction in the front side of the slat 1 side in the right side wall 3c.
1, an inclined portion 312 extending downward and rearward from the lower end of the upper engaging groove 311 and a lower engaging groove 313 extending substantially straight up and down from the lower end of the inclined portion 312. It is configured.

The pressing member 2 includes a frame portion 23 and a pressing portion 24 made of resin. As shown in FIG. 11, the frame portion 23 is formed of a long U-shaped cross section having a rear side wall 23 a and left and right side walls 23 b and 23 c and an open front side.
The pressing portion 24 is made of a resin having elasticity such as soft rubber and is formed of a long body having a U-shaped cross section opened at the rear side, and the pressing portion 24 is joined to the inner wall side of the frame portion 23. ing. In addition, a round rod-shaped sliding shaft 210 is provided. The sliding shaft 210 is arranged in the inclined grooves 310, 310 of the guide member 3 to be inclined.
As a sliding member that slides along
Holes 2 provided in both left and right side walls 2b, 2c
11 and 211, the left and right side walls 2
b, 2c so as to be bridged to the rear side. When the sliding shaft 210 is attached to the pressing member 2, the sliding shaft 210 is inserted into the inclined grooves 310 of the guide member 3. For details, guide member 3
With the left and right side walls 23b and 23c of the frame 23 of the pressing member 2 fitted in the left and right side walls 3b and 3c, the sliding shaft 210 is supported by the left and right side walls 23b and 23c of the frame 23. When passing through the holes 211, 211, the guide member 3 is inserted into the lower locking groove 313 of the inclined groove 310 of the guide member 3.

In this manner, the sliding shaft 2 is
As shown in FIG. 12, the pressing member 2 and the guide member 3 through which the slat 1 is inserted and the rear end wall of the guide frame 14 and the side end 1 a of the slat 1 are similar to those of the first embodiment. And the guide member 3 is positioned between the guide frame 1
4 is fixed to the rear side wall by fixing means such as bolts. On the other hand, the pressing member 2 is restricted from moving in the left and right directions by the left and right side walls 3 b and 3 c of the guide member 3 in the guide frame 14. A gap t is formed between the front end and the side end 1a, and is movable in the front-rear direction by the gap t.
It can freely move between the guide member 3 and the side end 1a of the slat 1 and can move in the vertical direction.

By operating the operating members 4 and 4,
When the pressing member 2 is moved upward, the sliding shaft 210 of the pressing member 2 enters the inclined portion 312 from the lower locking groove 313 of the inclined groove 310 of the guide member 3, and the sliding shaft 210 moves from the lower end of the inclined portion 312 to the inclined portion 312. Sliding upward and forward along the inner surface.
Due to this sliding, the pressing member 2 moves forward and presses the slat 1 while moving upward as shown in FIG. When the pressing member 2 further moves upward, the sliding shaft 210 enters the upper locking groove 311 from the inclined portion 312 of the inclined groove 310. The sliding shaft 210 is in the upper locking groove 3
When entering 11, the sliding shaft 210 cannot move rearward, so that the pressing member 2 is locked while pressing the slat 1, and the slat 1 can be maintained in a fixed state. On the other hand, when the pressing of the slat 1 is released, the pressing member 2 may be moved downward by operating the operating member 4, whereby the sliding shaft 210 moves from the upper locking groove 311 in the inclined groove 310. The pressing member 2 can be moved to the rear side by entering the lower locking groove 313 from the inclined portion 312 into the inclined portion 312, and the pressing of the slat 1 can be released.

As the operating members 4 and 4 of the second embodiment, the same members as those described in the first embodiment can be used. Specifically, for example, a rack 41 as shown in FIG. 2 and a rotatable pinion gear 42 meshing with the rack 41 are provided, and the rack 41 moves the pressing member 2 approaching / retreating with respect to the slat 1. At this time, the engagement maintaining means 41b for always maintaining the engagement with the pinion gear 42
The rack 41 or the pinion gear 42 is attached to the pressing member 2, and when the pinion gear 42 is rotated, the pressing member 2 relatively moves with respect to the guide portion 310 and the sliding portion 210 A guide member 310 relatively slides, and the pressing member 2 is guided and moved to the slat 1 side by this slide to press the slat 1;
Alternatively, as shown in FIGS. 6 and 7, for example, the operation lever 44 is fixed to the pressing member 2 and the operation lever 44 is moved up and down with respect to the guide member 3 so that the pressing member 2 is vertically moved. Can be used.

In the second embodiment, the inclined grooves 310
Is formed so as to gradually extend from the rear side to the front side as going upward. However, the present invention is not limited to this form. For example, as shown in FIG. May be formed by gradually extending from the front side to the rear side as going upward. Inclined part 312
Is formed by gradually extending from the front side to the rear side as going upward as shown in FIG. 15 (A), by moving the pressing member 2 downward, the pressing member 2 moves forward. To push the slat 1 while the slat 1
The pressing can be released by moving the pressing member 2 that has pressed the key upward. When the inclined portion 312 is formed by gradually extending from the front side to the rear side as going upward, the sliding shaft 210 is inserted into the upper locking groove 311 while the slat 1 is not pressed by the pressing member 2. Although it is necessary to keep it in the inserted state, if the sliding shaft 210 is simply inserted into the upper locking groove 311, the inclined member 310 slides down due to its own weight of the pressing member 2. Therefore, in this case,
As the holding means, for example, a sliding shaft holding hole 315 is provided in the upper locking groove 311 as shown by a dashed line in FIG. 15 (A), or an urging for constantly urging the pressing member 2 upward. It is preferable to provide a member or the like.

Further, a cutout 314 may be provided in the inclined groove 310. For details, see FIG.
As shown in (B), a notch 3 cut into the upper locking groove 311 of the inclined groove 310 from the front end of the right side wall 3c of the guide member 3.
14 are provided. By providing such a notch 314, the sliding shaft 210 can be attached to the pressing member 2 in advance without having to pass through the inclined groove 310 of the guide member 3 when attaching the sliding shaft 210 to the pressing member 2 as described above. Sliding shaft 210
Can be inserted into the inclined groove 310 of the guide member 3 from the cutout 314 of the inclined groove 310.

In the second embodiment, the inclined groove 310 is
Although the sliding shaft 210 is provided on the guide member 3 and the sliding shaft 210 is provided on the pressing member 2, an inclined groove may be provided on the pressing member 2 and the sliding shaft may be provided on the guide member 3, and may be changed as appropriate.

Also, as shown in FIGS.
0 is not provided on the guide member 3, but is provided on a separate guide portion 316.
At the time of assembly, a method of attaching the guide portion 316 to the left and right inner wall surfaces of the guide member 3 by a fixing means such as a bolt may be adopted. By doing so, the processing for the long guide member 3 can be simplified, so that it can be manufactured at low cost.

Further, in the second embodiment, the guide member 3 is provided, and the guide member 3 is provided with the inclined groove 310 as a guide portion. An inclined groove 310 may be provided on both side walls, or a sliding shaft may be provided on both left and right side walls of the guide frame 14, and an inclined groove may be provided on the pressing member 2, so that the number of parts can be further reduced. Can be reduced,
It can be easily assembled to the shutter in a short time and can be manufactured at low cost.

Also in this second embodiment, one or a plurality of urging means 5 for urging the pressing member 2 toward the guide member 3 on the rear side may be provided. .
The above is the description of the second embodiment.

In the first and second embodiments, the guide members 3, 3 are fixed to the guide frame 14,
Although the pressing members 2 and 2 can be moved up and down by the guide frame 14, the present invention is not limited to this mode.
Is movable in the front-rear direction and is not movable in the up-down direction on the guide frame 14, the guide members 3 and 3 are vertically movable on the guide frame 14, and the guide members 3 and 3 are vertically moved.
The pressing members 2, 2 may be moved in the front-rear direction, and may be changed as appropriate.

In the first and second embodiments, the guide member 3 and the pressing member 2 are provided inside the guide frame 14, but may be provided outside the guide frame 14. Can be changed as appropriate.

[0043]

As described above, according to the first aspect of the present invention, when the pressing member 2 is moved with respect to the guide portions 31 and 310, the pressing member 2 or the guide portions 31 and 310 slide on the slopes 21 and 310. The slat 1 can be pressed by sliding the pressing member 2 toward the slat 1 by sliding. This allows
It is sufficient that the pressing member 2 and the guide portion 31 are provided, the number of components can be reduced, and it is not necessary to assemble many components as in the related art. Can be manufactured. Further, by using a resin having elasticity for the pressing portion 24 of the pressing member 2, the noise can be reduced more effectively when the shutter noise prevention device is used.

According to the second aspect of the present invention, the inclined groove 310 is not provided in the guide member 3 but is provided in a separate guide portion 316 and attached to the inner wall surface of the guide member 3 during assembly. By doing so,
Since the processing of the long guide member 3 can be simplified, it can be manufactured at low cost.

[Brief description of the drawings]

FIG. 1 is a rear view of an entire shutter equipped with a shutter noise prevention device according to a first embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III of FIG.

FIG. 4 is a sectional view taken along line IV-IV of FIG. 1;

FIG. 5 is an enlarged longitudinal sectional view of a main part in a state where a slat is pressed by a pressing member.

FIG. 6 is an enlarged longitudinal sectional view of a main part showing another embodiment of the operation member.

FIG. 7 is an enlarged cross-sectional view of a main part showing another embodiment of the operation member.

FIG. 8 is an enlarged rear view of a main part showing another embodiment of the operation member.

FIG. 9 relates to still another embodiment of the operation member.
FIG. 8B is an enlarged cross-sectional view of a main part of the operation lever, in which the lever shaft of the operation lever is inserted into a locking groove for preventing the operation from rising.

10A and 10B relate to still another embodiment of the operating member, wherein FIG. 10A is an enlarged cross-sectional view of a main part of the operating member, and FIG. 10B is a sectional view showing a state where the slat is lowered and the slat is pressed by the pressing member. It is a part expansion longitudinal sectional view.

FIG. 11 is an exploded perspective view of a main part of a pressing member and a guide member according to a second embodiment of the present invention.

FIG. 12 is an enlarged longitudinal sectional view of a main part of a second embodiment in which a pressing member and a guide member are assembled to a shutter.

FIG. 13 is an enlarged vertical and horizontal cross-sectional view of a main part in a state where a pressing member and a guide member according to a second embodiment are assembled to a shutter.

FIG. 14 is an enlarged vertical and horizontal cross-sectional view of a main part in a state where a shutter is pressed and fixed by a pressing member.

FIG. 15A is an explanatory view of another embodiment of the inclined groove,
(B) is an explanatory view of still another embodiment of the inclined groove.

FIG. 16 is an exploded perspective view of a main part of a guide member according to another embodiment of the guide member.

FIG. 17 is an enlarged longitudinal sectional view of a main part of a state where a pressing member and a guide member according to another embodiment of the guide member are assembled to a shutter.

18A is a side view of a conventional example, and FIG. 18B is a cross-sectional view of the conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Slat 1a (slat) right and left both ends 2 Pressing member 3 Guide member 14 Guide frame 14a Guide groove 21 Slope, contact part 23 Frame part 24 Pressing part 31 Guide part 310 Guide part, slope, inclined groove 316 (separate body) guide Department

Claims (2)

[Claims] 1. Guide frames provided on both left and right sides of a slat (1)
In the guide groove (14a) of (14), insert the left and right ends (1
a) (1a)
1) A pressing device used for a shutter capable of opening and closing the etc., which presses a slat (1) in a state of being inserted into a guide groove (14a) of a guide frame (14). Pressing member
(2) and guide portions (31) and (310) for guiding and moving the pressing member (2) to the slat (1) side, wherein the pressing member (2) enters the guide groove (14a). Between the slat (1) and the guides (31) (310)
The pressing member (2) can press and release the slat (1) by being movably arranged so as to be able to approach and retreat with respect to the slat (1). At least one of the slopes (21) and (310) has a slope (21) (310).
When the pressing member (2) or the guide portions (31) and (310) slide, the pressing member (2) is guided to the slat (1) side and presses the slat (1). The member (2) comprises a frame portion (23) and an elastic pressing portion (24).
A noise suppression device for a shutter, comprising: 2. A guide part (316) for guiding and moving the pressing member (2) toward the slat (1) is formed separately from the guide member (3). 2. The noise prevention device for a shutter according to claim 1, wherein the noise prevention device is mounted on an inner wall surface of the member.