JP2559857Y2 - Work of shutter - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manually opening and closing a shutter with a finger.

[0002]

2. Description of the Related Art A shutter provided at an entrance of a building is provided with a concave portion for hanging a finger so that the shutter can be manually opened and closed. As one of the configurations of the concave portion, FIG.
A device using a trick (1) as shown in FIG.
As shown in FIG. 1 (a), the handle (1) is a horizontally long plate-shaped main body (1) made of an elastic material such as plastic.
1) and a flange (1) protruding from the open end of the main body (11).
2).

[0003] Two engaging members (5) and (5) are provided at two opposing outer wall surfaces along the longitudinal direction of the main body (11). These engaging members (5) are provided in FIG. As shown in b), it has a substantially triangular shape with the largest height on the flange (12) side. To attach such a handle (1) to the shutter, as shown in FIG.
Insert the main body from the front side into the mounting hole (21) opened in (2).
Insert (11). If the width dimension of the mounting hole (21) is set to be slightly larger than that of the main body (11), the engaging body (5) comes into contact with the peripheral portion of the mounting hole (21). However, if the main body (11) is further forcibly inserted into the mounting hole (21), the engaging body (5) is elastically deformed, so that the engaging body (5) is deformed.
(5) is one-way engagement with the back side peripheral portion (22) of the mounting hole (21), and the handle (1) is a plate material constituting the shutter.
(2).

However, if the engaging structure of the handle (1) is as described above, as shown in FIG. 8, the engaging body (5) is engaged with the peripheral portion of the back surface of the mounting hole (21) at the time of engaging, as shown in FIG. 22), the back edge (22) may escape to the inside. Therefore, the width of the mounting hole (21) and the engagement
If the width of the main body (11) including (5) is not properly taken, the handle (1) may be difficult to engage with the mounting hole (21), and if it is not securely engaged, There is a problem that it comes off during use. Even in the case of secure engagement, in the case of the conventional hook (1), when a large force in the opposite direction to the fastening direction is applied to the hook (1), the engagement member (5) is not moved. Due to the low catch, the handle (1) is
(2) There is a problem that it comes out of the mounting hole (21) opened in (2).

[0005] The present invention has been made in view of the above-mentioned point, and is described as follows. "The flange (12) is formed from the outer peripheral edge of the open end of the main body (11), which is long enough to insert a fingertip and has a substantially U-shaped vertical cross section. The main body (11) is inserted into a mounting hole (21) opened in a plate (2) constituting a shutter, and an engaging body and a flange (12) projecting from the outer wall surface of the main body (11) are protruded. )), A shutter of a type in which the peripheral edge of the mounting hole (21) is sandwiched between the shutter and the back surface of the mounting hole (21).
It is an object of the present invention to provide a shutter that is easy to be mounted in a mounting hole (21) provided in a shutter and is not easily dropped off once it is mounted.

[0006]

Technical Means The technical means of the present invention for solving the above-mentioned problem is that the mounting hole (21) is formed in a generally oblong shape in which both ends in the longitudinal direction are arc-shaped or mountain-shaped. The cross-sectional shape of 11) is substantially similar to that of the mounting hole (21), and has a pair of plate-like tongues (3) (3) (3) (3) ), The central part of the upper side of each plate-shaped tongue (3) is joined and integrated with the main body (11) or the flange (12), and a notch (K )
(K), and the gap between the vicinity of both ends of the upper side of the plate-shaped tongue piece (3) and the flange (12) is made to substantially match the thickness of the plate material (2), and a pair of plate-shaped tongue pieces (3) ( 3) are positioned parallel to each other at a predetermined distance from the center of the outer wall at both ends in the longitudinal direction of the main body (11), and the thickness of the plate-shaped tongue piece (3) is gradually reduced toward the bottom. In addition, the outside of the cross section of both oblique sides within a certain range from both ends of the upper side of the plate-like tongue piece (3) is formed in an arc shape.

[0007]

The above technical means operates as follows. Subject (1
Since the shape of 1) is substantially similar to the mounting hole (21) which is horizontally long and substantially oval, both ends in the longitudinal direction of the main body (11) are also arc-shaped or mountain-shaped. The pair of plate-like tongue pieces (3) and (3) are formed in a substantially inverted isosceles triangle plate-like body, and are parallel to each other at a predetermined distance from the center of the outer wall at both ends in the longitudinal direction of the main body (11). The plate-shaped tongue piece, since it is connected to the main body (11) or the flange (12).
Both ends of the upper side of (3) are free.

[0008] This work is performed by a plate material constituting a shutter.
When inserted into the mounting hole (21) opened in (2), since the main body (11) is formed slightly smaller than the mounting hole (21), its bottom surface contacts the peripheral edge of the mounting hole (21). The plate-shaped tongue pieces (3) (3) provided at a predetermined distance from the center of the outer wall at both ends in the longitudinal direction of the main body (11) are hooked on the peripheral edges of both ends in the longitudinal direction of the mounting hole (21).

The plate-like tongue piece (3) is a substantially inverted isosceles triangular plate-like body having an elastic restoring ability, and the wall thickness near the lower end is thinner than that near the upper side. Notch (K) (K) is perforated at the left-right symmetrical position of the upper side, furthermore, only the center of the upper side located between the notches (K) (K) is the main body (11) or flange (12) Because it is a configuration that is combined with
Both side regions of the plate-shaped tongue piece (3), which are outside the cutouts (K) and (K) of the plate-shaped tongue piece (3), can be bent toward the main body (11).

As described above, when the handle is forcibly pushed into the mounting hole (21) while elastically deforming the outer portion of the notch (K) (K) of the plate-shaped tongue piece (3), (3) Entire mounting hole (21)
Can be inserted until it reaches the back surface of. At this time,
Both oblique sides on the outer surface of the plate-shaped tongue piece (3) are in contact with the periphery of the mounting hole (21), but since this part is formed in an arc-shaped cross section in advance, the pushing operation can be performed smoothly.

When the entire plate-like tongue piece (3) reaches the back surface of the mounting hole (21), it returns to its original shape by elastic restoring force.
The gap between the vicinity of both ends of the upper side of the plate-like tongue (3) and the flange (12) is set so as to substantially match the thickness of the plate (2), so that the plate-like tongue (3) is The engagement with the peripheral edge (22) of the back surface of the mounting hole (21) is prevented.

[0012]

[Effect] The plate-like tongue (3) is configured to be easily bent easily, and both outer oblique sides of the plate-like tongue (3) in contact with the periphery of the mounting hole (21) are previously formed in an arc-shaped cross section. The subject (11)
The resistance at the time of inserting into the mounting hole (21) is reduced, and the handle can be easily mounted in the mounting hole (21). Therefore, mounting holes
There is no problem that the rear peripheral edge (22) of (21) is pushed by the plate-like tongue piece (3) and escapes inside.

Further, since the plate-like tongue piece (3) which has been elastically restored after being inserted into the mounting hole (21) is engaged with the peripheral edge portion (22) of the rear surface of the mounting hole (21) in a retaining state. The handle does not accidentally come off the mounting hole (21).

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. The device of the embodiment of the present invention is formed by hard resin molding, and as shown in FIGS.
(11) has a substantially U-shaped cross section and an open end formed in a horizontally long oval shape having arcs at both ends, and has a length such that a plurality of fingertips can be inserted.

A flange (12) integrally projecting outward from an open end of the main body (11) is formed to be substantially similar to the shape of the open end of the flange (12). The length of the (11) projecting to both ends in the longitudinal direction is set slightly longer than that of the main body (11) located along the longitudinal direction.
As shown in FIG. 2, the mounting hole (21) for inserting the above-mentioned handle opened in the plate (2) constituting the shutter is substantially similar to the main body (11) and the flange (12), as shown in FIG. 2. The size is set to be larger than the main body (11) and smaller than the flange (12), as shown in FIG.

As shown in FIG. 3, the pair of plate-like tongues (3) and (3) provided at both ends in the longitudinal direction of the main body (11) are plate-like bodies having a substantially inverted isosceles triangular shape. The upper side is located near the back surface of the flange (12). A pair of notches (K) and (K) are provided in the left-right symmetric position of the upper side of the plate-shaped tongue piece (3).
The center of the upper side of the plate-like tongue piece (3) located between the notches (K) and (K) is extended upward to extend the extension (30). And is integrated with the back surface of the flange (12). This pair of plate-like tongue pieces (3) (3),
As shown in FIG. 4, the main body (11) is positioned so as to have a predetermined gap with both ends in the longitudinal direction and to be parallel to each other.
As shown in FIG. 3, there is a predetermined gap between the vicinity of both ends of the upper side of the plate-like tongue piece (3) and the back surface of the flange (12).
The thickness is set so as to substantially match the thickness of the plate material (2).

Ribs (31) and (31) are provided at the connecting portions of the plate-shaped tongue pieces (3) and (3) to the back surface of the flange (12) along the longitudinal direction of the flange (12). (30) and the flange (12), the tip of which protrudes outward from the extensions (30), (30). The length between the distal ends of the ribs (31) and (31) extending outward at both ends in the longitudinal direction of the main body (11) is made substantially equal to the longitudinal length of the mounting hole (21) of the plate (2). ing. Then, both ends of the mounting hole (21) in the longitudinal direction are the ribs.
(31) When the tips of (31) correspond to each other, the plate-shaped tongue piece
The length of the upper side of the plate-like tongue (3) is set so that both ends of the upper side of (3) are located outside the mounting hole (21).

Further, the thickness of the plate-shaped tongue piece (3) is not constant, as shown in FIG. 4, and is formed so as to gradually become thinner from the upper side to the lower end. 3)
The outer corner portions (33) (33) of the cross section of the inclined side portions (32) and (32) of
As shown in FIG. 2, it is formed in an arc shape. In order to insert the handle of this embodiment into the mounting hole (21), since the dimensional relationships are as described above, the bottom of the main body (11) and the plate-like tongue piece
The lower end of (3) can be inserted into the mounting hole (21) without resistance. As described above, since both ends of the upper side of the plate-like tongue (3) are extended so as to be located outside the mounting hole (21), the area near the upper side of the plate-like tongue (3) is attached. It will be in contact with the periphery of the hole (21). However, the inclined side portions (32) and (32) outside the cutouts (K) and (K) of the plate-shaped tongue (3) are
(3) It is easy to bend in the direction perpendicular to (to the main body (11) side) and hard to catch on the periphery of the mounting hole (21). The upper end of the inclined sides (32) and (32) of the plate-like tongue (3)
And as shown in FIG. 6, it is inserted while being elastically deformed to the main body (11) side.

Since the height of the extension portion (30) is substantially equal to the thickness of the plate material (2), the upper side of the plate-like tongue piece (3) has the mounting hole (2).
It can be inserted until it reaches the back side of 1), and after this insertion, as shown in FIGS. 2 and 3, the inclined side portion of the plate-shaped tongue piece (3)
(32) The upper part of (32) is elastically restored, and both ends of the upper side of the plate-like tongue piece (3) are engaged with the peripheral edge part (22) on the back surface of the mounting hole (21) in a retaining state. .

In this embodiment, the size of the mounting hole (21) is larger than that of the main body (11), but ribs (31) and (31) are provided outside the main body (11) in the longitudinal direction. The main body (11) is inserted into the mounting hole (21) because the length between the front ends thereof is set to substantially match the longitudinal length of the mounting hole (21). There is no backlash in the longitudinal direction. or,
In order to prevent rattling even in the direction perpendicular to this, as shown in FIG. 2, the outer wall of the main body (11) is attached to two places on the outer wall along the longitudinal direction of the main body (11). Ribs (34) and (34) having a width corresponding to the gap with the periphery of the hole (21) are formed.

As described above, the handle of the embodiment of the present invention can be smoothly inserted into the mounting hole (21) formed in the plate (2), and is securely attached without being accidentally detached after the insertion. Furthermore, there is no play at the time of mounting.
In particular, the upper portions of the inclined sides (32) and (32) outside the notches (K) and (K) are shown in FIG.
, It can be bent in the left-right direction, so that it can be easily inserted into the engaged state.

In the above embodiment, the plate-shaped tongue piece (3) is connected to the back surface of the flange (12). However, the central part of the plate-shaped tongue piece (3) is connected to the main body (11). It may be. That is, the rib (3
1) may be extended downward so that the plate-shaped tongue piece (3) and the main body (11) are integrated only by this.

[Brief description of the drawings]

FIG. 1 is a sectional view of a device according to an embodiment of the present invention.

FIG. 2 is an explanatory view showing the mounted state of the embodiment of the present invention from the back side of the plate (2).

FIG. 3 is an explanatory view of a plate-like tongue piece (3).

FIG. 4 is a side view of the device.

FIG. 5 is an explanatory view at the time of insertion.

FIG. 6 is an enlarged explanatory view of a main part at the time of insertion.

FIG. 7 is an explanatory view of a conventional example.

FIG. 8 is an explanatory view of a conventional example.

[Explanation of symbols]

 (11) Main body (12) Flange (2) Plate (21) Mounting hole (3) Plate tongue (K) Notch

Claims (1)

(57) [Scope of request for utility model registration] 1. A flange (12) protruding from an outer peripheral edge of an open end of a main body (11), which is horizontally long and has a substantially U-shaped vertical section so that a fingertip can be inserted, and constitutes a shutter. Board
(2) is inserted into the mounting hole (21) opened in the main body (1).
In the handle of a shutter in which the periphery of the mounting hole (21) is sandwiched between the engaging body protruding from the outer wall surface of 1) and the back surface of the flange (12), the shape of the mounting hole (21) is It has a horizontally long, generally oval shape with arc-shaped or mountain-shaped ends at its longitudinal direction.
The cross-sectional shape of (11) is substantially similar to that of the mounting hole (21), and has a pair of plate-like tongues (3) (3) ( 3) Provide each plate-shaped tongue
The central part of the upper side of (3) is joined and integrated with the main body (11) or the flange (12), and notches (K) and (K) are formed at symmetrical positions on the upper side of each plate-like tongue piece (3). The gap between the flange (12) and the vicinity of both ends of the upper side of the plate-like tongue (3) is made to substantially match the thickness of the plate (2), and the pair of plate-like tongues (3) and (3) is connected to the main body (11). The plate-like tongue pieces (3) are positioned parallel to each other at a predetermined distance from the center of the outer wall at both ends in the longitudinal direction, and the thickness of the plate-like tongue pieces (3) is gradually reduced in the downward direction. ) Is a shutter that has a circular arc shape on the outside of the cross section of both oblique sides within a certain range from both ends of the upper side.