JP2000179265A - Guide structure of key bar - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the generation of contact noise due to contact between a key bar and a cover and a collision noise between the key bar and a hook fin, and improve the appearance. SOLUTION: This guide structure of a key bar includes a key bar 23 which is provided on one side 21a of a strap plate-like shutter member such as a baseboard 21 constituting a shutter curtain 22 slidably in the longitudinal direction and freely projected from a parallel side edge part in the direction of opening and closing the shutter curtain 22, a cover 25 which covers one side 21a of the baseboard 21 and covers the key bar 23, and a guide member 29 positioned above a line passing the center of movement of the shutter curtain 22 along the opening and closing direction of the shutter curtain 22 in a space formed by the baseboard 21 and the cover 25 and provided with a loosely fit part 33 slidably supporting the periphery of the key bar 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key bar guide structure for slidably guiding and supporting a key bar protruding from a side edge of a shutter curtain.

[0002]

2. Description of the Related Art In a shutter curtain, a so-called protruding and retractable projection is provided at a side edge parallel to an opening and closing direction, and is engaged with an engagement means provided inside a guide rail to prevent the shutter curtain from rising. A key bar constituting the locking device is provided.

FIG. 8 shows a conventional key bar guide structure of this kind.
This will be described with reference to FIGS. 8 is an exploded perspective view of a conventional key bar guide structure, FIG. 9 is a side view of the conventional key bar guide structure, FIG. 10 is a rear view of the conventional key bar guide structure, and FIG. 3 is a rear view of the guide structure of FIG.

The shutter curtain 2 is generally composed of a plurality of strip-shaped slat members, and a skirting board 1 as shown in FIG. 9 is attached to the lowermost portion thereof, and the skirting board 1 serves as an indoor surface. The key bar 3 shown in FIG.
Is slidably mounted in the lateral direction, which is the longitudinal direction of the camera. The key bar 3 is configured to slide by a mechanism (not shown), and is capable of protruding from a side edge parallel to the opening and closing direction of the shutter curtain 2, that is, an end of the baseboard 1.

[0005] The skirting board 1 includes the mechanism and the key bar 3.
Is attached to one surface. The cover 5 is formed in a substantially rectangular plate shape and a substantially U-shaped cross section, and is formed into a shape to be fitted to one surface of the skirting board 1. It is inserted so that it cannot be removed.

The cover 5 is formed with a pair of upper and lower cutouts 7 near the ends as shown in FIG. 10, which support the key bar 3 up and down. The key bar 3 is guided.

At both ends of the baseboard 1, a support member 9 made of a synthetic resin material for fixing the door stop 8 to the baseboard 1 is attached, and the support member 9 is slidably connected to one surface of the key bar 3. A portion 11 is provided. Accordingly, the key bar 3 is disposed between the connecting portion 11, the cover 5, and the pair of cut-and-raised portions 7 as shown in FIG. In addition, each cut and raised 7
It abuts on the connecting portion 11 of the support member 9 to prevent the cover 5 from sliding off in the longitudinal direction of the baseboard 1 and falling off.

[0008]

However, the above-described conventional guide structure of the key bar 3 is such that the metal key bar 3
The upper and lower portions are held by the metal cut-and-raised portion 7 and the connecting portion 11
Since there is a large play (clearance) C in the holding gap of the key bar 3 formed by the cover 5 and the cover 5 (see FIG. 9), when the shutter curtain 2 is moved or vibrated by wind pressure or the like, as shown in FIG. The key bar 3 may hit the cover 5 and the like, and there is a possibility that an unpleasant contact sound between metals is generated.

[0009] As shown in FIG. 9, the key bar 3 is a shutter curtain 2 at the center between the baseboard 1 and the cover 5.
13, the key bar 3 prevents the shutter curtain 2 formed in the guide rail 15 from coming off when the shutter curtain 2 in the closed state descends, as shown in FIG. Hook fin 17
In this case, there is a fear that a collision sound is generated.

Further, a cut-and-raised portion 7 is provided on the cover 5,
Since the cut-and-raised portion 7 is brought into contact with the support member 9 to prevent the sliding of the cover 5, a complicated cut-and-raised process is required, and the processing cost is increased. Is perforated in the cover 5 to degrade the appearance of indoor products. Further, since the cut-and-raised portion 7 and the support member 9 are in contact with each other with a small area in which the linear end faces are orthogonal to each other, the connecting portion 11 of the support member 9 may be cut by the metal-raised portion 7 due to vibration or the like. There was.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and prevents the occurrence of a contact sound between a key bar and a cover and a collision sound between a key bar and a hook fin. An object of the present invention is to provide a key bar guide structure that can improve the appearance.

[0012]

Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments. The guide structure of the key bar according to claim 1 of the present invention is provided on a strip-shaped shutter member constituting the shutter curtain 22, for example, on one surface 21a of the baseboard 21, and is slidable along the longitudinal direction. A key bar 23 provided so as to be able to protrude from a side edge parallel to the opening and closing direction of the shutter curtain 22 and a cover 25 that covers one surface 21a of the shutter member 21 and covers the key bar 23; A loose fitting portion 33 made of a resin material and fixed to the end 21b of the shutter member 21 and slidably supporting the key bar 23 around a direction orthogonal to the sliding direction of the key bar 23 is formed. And a guide member 29 provided.

In this key bar guide structure, the key bar 2 is formed by the loose fitting portion 33 of the guide member 29 made of a synthetic resin material.
3 is supported on the periphery orthogonal to the sliding direction, so that the rattle of the key bar 23 is reduced, and the contact noise between the metals in contact between the key bar 23 and the cover 25 is eliminated.

Further, in the key bar guide structure according to the second aspect, the loose fitting portion 33 of the guide member 29 is formed in the key bar 2.
3 is slidably supported on a line 31 passing through the center of movement of the shutter curtain 22 along the opening and closing direction of the shutter curtain 22 in the space formed by the shutter member 21 and the cover 25. It is characterized by doing.

In this key bar guide structure, the key bar 23
Is located on the movement center line 31 of the shutter curtain 22 in the space formed by the shutter member 21 and the cover 25, and the key bar 23 is securely disposed at the center of the sliding gap of the guide rail. Thereby, when the shutter curtain 22 descends, the key bar 23 does not hit the hook fin in the guide rail, and the collision sound between the key bar 23 and the hook fin is eliminated.

Furthermore, in the key bar guide structure according to the third aspect, the cover 25 is slidably mounted in the same direction as the direction in which the key bar 23 projects, and is mounted on the shutter member 21. A protrusion 39 is formed on the guide member 29 to abut on the sliding end 25a to prevent the cover 25 from sliding.

In this key bar guide structure, the cover 25
The protrusion 39 for preventing the sliding of the cover 25 is formed on the guide member 29, so that the cut-and-raised operation for guiding the key bar 23 formed on the cover 25 in the related art becomes unnecessary, and the number of processing steps of the cover 25 is reduced. In addition, since the cut-and-raised is abolished, the opening due to the cut-and-raised is not formed in the cover 25, and the appearance of the cover 25 is improved.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a key bar guide structure according to the present invention will be described below in detail with reference to the drawings. 1 is an exploded perspective view of a key bar guide structure according to the present invention, FIG. 2 is an enlarged perspective view of the guide member shown in FIG. 1, and FIG. 3 is a cut perspective view of the guide member of FIG. FIG. 4 is a side view of a key bar guide structure according to the present invention.
FIG. 5 is a rear view of the key bar guide structure according to the present invention, and FIG.
FIG. 7 is a rear view of the key bar guide structure according to the present invention with a cover cut away, and FIG. 7 is a plan sectional view of the key bar guide structure according to the present invention.

At the bottom of the shutter curtain 22, FIG.
Is connected to a baseboard 21 as a shutter member constituting the shutter curtain 22 shown in FIG. This baseboard 21
Is made of a metal material such as an aluminum alloy, is formed into a substantially rectangular plate shape by extrusion or the like, a connecting curl portion is formed at an upper edge, and a draining plate 21c is provided at a lower edge to form a substantially T-shaped cross section. A locking piece 26 is formed so as to face the upper and lower edges of one surface 21a on the indoor side.

A key bar 23 is slidably mounted on one surface 21a of the baseboard 21 along the longitudinal direction of the baseboard 21. The key bar 23 constitutes a locking mechanism (not shown), and
b, that is, it always projects from a side edge parallel to the opening and closing direction of the shutter curtain 22, and slides by operating an operation lever of a locking mechanism (not shown) so as to be able to retreat from the side edge. It is configured.

On one surface 21a of the baseboard 21, a long cover 25 having a substantially U-shaped cross section from one end in the longitudinal direction is locked by an upper and lower locking rail 26 and slidably inserted. ing. The cover 25 that is inserted and attached to the baseboard 21 covers the key bar 23 with the baseboard 21.

At both ends of the baseboard 21, guide members 29 shown in FIG. 2 made of a hard synthetic resin material having excellent wear resistance such as ABS resin are attached. This guide member 2
9 is a rectangular block-shaped support portion 29a, 29b
And has a substantially rectangular cylindrical shape composed of connecting plate portions 29c and 29d for connecting the upper and lower support portions 29a and 29b on the front side and the rear side, and a square hole-shaped loose fitting portion 33 is formed at the center. Have been.

The loose fitting portion 33 has an inner shape slightly larger than the outer shape of the key bar 23, that is, the key bar 23 is inserted in a loosely fitted state.

The guide member 29 is attached to the baseboard 21.
The end 21b of the baseboard 21 is inserted into a space formed by one surface 21a of the baseboard 21 and the cover 25 to be attached thereto, and the key bar 23 is inserted into the loose fitting portion 33 so as to be inserted. It is fixed to the baseboard 21.

The guide member 29 fixed to the baseboard 21
The position of the loose fitting portion 33 is substantially the center of the baseboard 21 in the front-rear thickness direction, and is viewed from the side passing through the substantially center of gravity of the baseboard 21 connected to the shutter curtain 22. It is located on a line (31 in FIG. 4) passing through the center of movement of the shutter curtain 22 along the opening and closing direction of the shutter curtain 22.

Accordingly, the key bar 23 has a loose fitting portion 33 formed around upper and lower support portions 29a and 29b and front and rear connecting plate portions 29c and 29d in a direction perpendicular to the sliding direction.
The inner wall surface 33a (see FIG. 3) is in sliding contact with the inner side wall 33a, and does not come into contact with the skirting board 21 and the cover 25, which are metal, and is surrounded by a synthetic resin material.

As shown in FIG. 2, the guide member 29 has a nut 35 embedded in upper and lower support portions 29a and 29b, and a cover 25 for covering the key bar 23 is inserted into the baseboard 21, and After being inserted into the gap between the cover 21 and the cover 21 from both sides, a screw (not shown) penetrating the baseboard 21 is screwed and screwed to the baseboard 21. As shown in FIG.
The fixing of the guide member 29 also serves to fix the door stop 28 to the baseboard 21, that is, the baseboard 21 is fixed between the doorstop 28 and the guide member 29 by screws passing therethrough. Becomes

The front connecting plate portion 29 of the guide member 29
On the surface 37 of c, a ridge-shaped projection 39 which is long in the vertical direction is provided. The projection 39 comes into contact with the end 25 a of the cover 25 in a state where the guide member 29 is inserted and attached to the gap between the baseboard 21 and the cover 25.

Accordingly, the guide member 29 is fixed to both ends of the baseboard 21 as described above, so that the cover 25 comes into contact with the projections 39 of the guide member 29 at both ends 25a, and extends in the longitudinal direction of the baseboard 21. Is prevented from sliding.
As a result, the cover 25 is attached so as not to fall off from the baseboard 21. Therefore, by attaching and detaching the guide member 29 from the baseboard 21, the cover 25 can be attached and detached by pulling it from one longitudinal end of the baseboard 21.

In this manner, since the cover 25 is in contact with the projection 39 of the guide member 29 and is prevented from falling off, the conventional cut-and-raise operation is not required. Therefore, cover 2
The surface of No. 5 is a flat surface in which no cut-and-raised opening is formed as shown in FIG.

Next, the operation of the key bar guide structure configured as described above will be described. The key bar 23 slidably attached to the skirting board 21 is supported by a loose fitting portion 33 of a guide member 29 made of a synthetic resin material to reduce backlash, and the key bar 23, the skirting board 21 and the cover 25 are connected to each other. The contact noise between the metals in contact is eliminated.

The key bar 23 is supported by the loose fitting portion 33 of the guide member 29, so that it is supported substantially at the center between the baseboard 21 and the key bar 23. That is, the key bar 23
The shutter curtain 22 is disposed at the center of the sliding gap of the guide rail while protruding from the side edge of the shutter curtain 22. As a result, as shown in FIG. 7, when the shutter curtain 22 descends, the key bar 23 does not hit the hook fin 17 in the guide rail 15, and the collision sound between the key bar 23 and the hook fin 17 is eliminated.

Further, a projection 39 for preventing the cover 25 from sliding is formed on the guide member 29, so that the cut-and-raise conventionally formed on the cover 25 becomes unnecessary. This allows
The number of processing steps of the cover 25 is reduced, and the opening due to the cut and raised is not formed in the cover 25, so that the appearance of the cover 25 is improved.

Further, the guide member 29 makes the elongated protrusion 39 parallel to the end 25a of the cover 25 abut along the end 25a of the cover 25 so as to abut. Cover 2 with a larger area than conventional structure
5 and the guide member 29 are brought into contact with each other, so that the guide member 29 made of a synthetic resin material is not cut by the contact with the metal cover 25.

As described above, according to the key bar guide structure described above, the key bar 23 and the cover 25 do not come into contact with each other and do not come into contact with each other. Will be suppressed. Further, the collision sound between the key bar 23 and the hook fin 17 when the shutter curtain 22 descends can be eliminated. Further, it is not necessary to cut and raise the cover 25, thereby reducing the number of manufacturing steps and the manufacturing cost.
No opening is formed in the cover 25, and the appearance of the product can be improved, and the design is improved.

In the above-described embodiment, the key bar 2
Although the case where the key bar 3 is always protruded from the side edge of the shutter curtain 22 has been described as an example, the key bar 23 is always stored in the skirting board 21 of the shutter curtain 22 and protrudes only when locking. It may be.

In the above-described embodiment, the key bar 2
3 protrudes from both ends of the baseboard 21 and guide members 29 are provided at both ends of the baseboard 21. The key bar 23 is provided at only one end of the baseboard 21. The guide member 29 may be provided only at one end thereof.

Further, in the above-described embodiment, the shutter member provided with the key bar 23 is the skirting board 21 located at the bottom of the shutter curtain 22.
Although the example in which the guide member 29 is arranged is described above, the position where the key bar 23 is arranged may be any position as long as the shutter member constituting the shutter curtain 22 is provided. The shutter member 21 may be attached to the shutter member 21 at another position, such as a slat member at an intermediate portion in the vertical direction. Further, it may be arranged and provided at a plurality of positions in the height direction.

In the above-described embodiment, the structure of the shutter curtain 22 is not particularly described in detail. However, the shutter curtain 22 may be a slat shutter having a strip-shaped slat member as a shutter member, or a panel plate. There is no limitation on a panel shutter having a member as a shutter member, a grill shutter including a substantially pipe-shaped shutter member, and the like. The key bar guide structure of the present invention is applicable as long as it has a strip-shaped shutter member and the key bar 23 is provided on the shutter member.

In the case of the slat shutter or the panel shutter described above, the slat shutter or the panel shutter can be disposed on a slat member or a panel plate member at an intermediate position in addition to the skirting board 21 similar to the above embodiment. Then, by disposing a strip-shaped member in the gap between the pipe members, the key bar guide structure of the present invention can be applied.

Further, in the above-described embodiment, an example has been described in which the shutter curtain 22 is moved up and down with the moving direction of the shutter curtain 22 being up and down. However, the moving direction of the shutter curtain 22 is limited to the left and right direction and the horizontal direction. Not something. In the case where the moving direction of the shutter curtain 22 is the horizontal direction or the horizontal direction, the position where the key bar 23 and the guide member 29 are disposed is also the moving end corresponding to the baseboard 21. The shutter member 21 may be attached to a shutter member at an intermediate position such as an intermediate portion in the moving direction of the shutter curtain 22, or may be disposed at a plurality of positions in the moving direction. .

[0042]

As described above in detail, according to the key bar guide structure of the first aspect of the present invention, the key bar is formed by a loose fitting portion of a guide member made of a synthetic resin material. Is supported, so that rattling of the key bar is reduced, and there is an effect that it is possible to eliminate contact noise between metals that makes contact between the key bar, the cover, and the shutter member due to vibration or the like.

According to a second aspect of the present invention, in the key bar guide structure, the key bar is positioned on a line passing through the center of movement of the shutter curtain in the opening / closing direction of the shutter curtain in the space formed by the shutter member and the cover. The key bar is located at the center of the sliding gap between the guide rails, so that the key bar does not hit the hook fins in the guide rail when the shutter curtain descends, generating a collision sound. Can be prevented.

In the guide structure of the key bar according to the third aspect, the guide member is formed with a projection which comes into contact with the sliding end of the cover which is slid with respect to the shutter member. By being fixed to the shutter member, sliding of the cover is prevented, so that the cut-and-raised portion conventionally formed on the cover for the same purpose becomes unnecessary. As a result, it is possible to eliminate the troublesome cutting and raising processing, reduce the number of processing steps and reduce the manufacturing cost, and improve the appearance of the product by preventing the opening due to the cutting and raising from being formed in the cover. And the design is improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a key bar guide structure according to the present invention.

FIG. 2 is an enlarged perspective view of a guide member shown in FIG. 1;

FIG. 3 is a cut perspective view of the guide member of FIG. 2 cut along line AA.

FIG. 4 is a side view of the key bar guide structure according to the present invention.

FIG. 5 is a rear view of the guide structure of the key bar according to the present invention.

FIG. 6 is a rear view of the key bar guide structure according to the present invention, in which a cover is cut away.

FIG. 7 is a cross-sectional plan view of a key bar guide structure according to the present invention.

FIG. 8 is an exploded perspective view of a conventional key bar guide structure.

FIG. 9 is a side view of a conventional key bar guide structure.

FIG. 10 is a rear view of a conventional key bar guide structure.

FIG. 11 is a rear view of a conventional key bar guide structure with a cover cut away.

FIG. 12 is a perspective view showing a play state of a key bar in a conventional guide structure.

FIG. 13 is a perspective view showing a collision state between a key bar and a hook fin in a conventional guide structure.

[Explanation of symbols]

 Reference Signs List 21 shutter member (baseboard) 21a one surface 21b end 22 shutter shutter 23 key bar 25 cover 29 guide member 33 loose fitting 39 projection

Claims (3)

[Claims] 1. A shutter provided in one side of a strip-shaped shutter member constituting a shutter curtain,
A key bar slidably provided along a longitudinal direction and freely protruding from a side edge parallel to the opening and closing direction of the shutter curtain; and a cover that covers one surface of the shutter member and covers the key bar. A guide formed of a synthetic resin material and fixed to an end of the shutter member, and having a loose fitting portion formed to slidably support the key bar around a direction perpendicular to the sliding direction of the key bar. A guide structure for a key bar, comprising: a member; 2. The loose fitting portion of the guide member, wherein the key bar is located on a line passing through a center of movement of the shutter curtain along a direction in which the shutter curtain opens and closes in a space formed by the shutter member and the cover. 2. The key bar guide structure according to claim 1, wherein the key bar is slidably supported at a predetermined position. 3. A projection which is slidable in the same direction as the direction in which the key bar protrudes, is mounted on the shutter member, and abuts against a sliding end of the cover to prevent sliding of the cover. The key bar guide structure according to claim 1, wherein the key bar is formed on the guide member.