JP6713697B2 - Finger trapping prevention tool for sliding door and sliding door device using the same - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door finger pinching prevention tool for preventing a user from pinching a finger with a sliding door plate, and a sliding door device using the same.

Conventionally, two door plates are installed side by side in an opening of a general cabinet or the like, and sliding doors (hereinafter simply referred to as sliding doors) that slide and move these door plates in the left-right direction (opening and closing direction) are provided. It is used. This sliding door can open and close approximately half of the opening (for example, the right half) by moving the front door in the front-rear direction, and the other half of the opening by moving the back door (( For example, the left half) can be opened and closed.

In such a structure in which the front and rear door plates can be independently opened and closed, the back door plate can be moved to the opposite side beyond the front door plate. Similarly, the front door plate can be moved to the opposite side beyond the back door plate. Therefore, a user of the cabinet may be suddenly caught and pinch his/her finger on the moving door plate.

In order to prevent these, a sliding door finger pinch prevention tool may be attached to the back side door plate (for example, refer to Patent Documents 1 to 3). This sliding door finger pinch prevention device includes a case and a stopper housed in the case. The case is attached so as to be embedded in the front surface of the back door plate. Further, the stopper is configured to be capable of projecting and pulling back from this case toward the front door plate side. This projecting operation includes a projecting projecting to the front side linearly with a spring or the like, and a projecting projecting to the front side while rotating around a rotating shaft.

With this stopper protruding, the end of the front door plate hits the stopper before the front door plate tries to move past the back door plate. It becomes impossible to move beyond the position where the anti-pinch device is attached. On the other hand, at the time of cleaning or the like, by returning the stopper, the front door plate can be moved (pulled) to the opposite side.

JP, 2011-38251, A JP, 2011-38356, A Japanese Utility Model Publication No. 52-91399

In the sliding door of the cabinet, it is preferable that a wider opening area (area for putting in and out) of the cabinet can be secured when the door plate is opened. However, when the above-mentioned finger trapping prevention device for sliding doors is attached, the door plate cannot be opened beyond the position where the finger trapping prevention device for sliding doors is attached, so the opening area must be narrowed. Therefore, in order to prevent the opening area from becoming too small, the sliding door finger pinch prevention tool is attached to the end of the door plate in the opening/closing direction as much as possible.

However, depending on the structure of the door plate, some door plates cannot be attached to the ends. For example, in recent years, cabinets with improved design have been sold, and there are some cabinets in which the entire end portion of the door plate is configured as a handle. In such a case, since the sliding door finger pinching prevention device must be attached to the center of the cabinet, avoiding the handle portion, the opening area of the cabinet is further reduced.

The present invention has been made in view of the above-described circumstances, and an object thereof is to allow a mounting position to be freely determined and to ensure a wider opening area when a sliding door is opened. The object of the present invention is to provide a pinch prevention tool and a sliding door device using the same.

In order to solve the above-mentioned problem, the present invention is used for a sliding door device in which at least two door plates are arranged in parallel and each move in the opening/closing direction, and when moving the door plate, a user holds a finger between the door plates. A finger trapping prevention tool for a sliding door for preventing the above-mentioned situation, wherein the base is mounted in a manner to be embedded in a mounting hole provided in one of the door plates, and the other door plate is movably attached to the base. A stopper having a contact portion for contacting with the stopper, the stopper being housed inside the mounting hole when not in operation, and moving with respect to the base during operation so that the contact portion is While protruding toward the other door plate from the mounting hole, when the contact portion moves to the outside of the opening and closing direction than the edge portion of the mounting hole to open the other door plate, the other door plate. Is contacted with the contact portion after passing through the base.

Further, the stopper may be configured to be rotationally moved with respect to the base via an axis.

Further, the stopper may be provided with a groove portion into which an edge portion of the mounting hole enters during operation.

Further, the stopper may be provided with a protrusion-shaped receiving portion that protrudes on the opposite side of the contact portion and that contacts one of the door plates when the stopper is rotated.
Further, the stopper may be configured to slide in the opening/closing direction with respect to the base.

On the other hand, the present invention provides a sliding door provided with a sliding door finger pinch prevention device for preventing a user from pinching his/her finger with the door plates when at least two door plates arranged in parallel move in the opening/closing direction. In the device, the sliding door finger pinch prevention device includes a base mounted in a manner to be embedded in a mounting hole provided in one of the door plates, and a movably mounted base, and the other of the door plates. A stopper having an abutting portion for abutting, the stopper being housed inside the mounting hole when not in operation, and moving relative to the base during operation so that the abutting portion is While protruding from the mounting hole toward the other door plate, the contact portion moves to the outside in the opening and closing direction from the edge portion of the mounting hole, and when the other door plate is opened, the other door plate is It is characterized in that after passing through the base, it comes into contact with the contact portion.

In the sliding door finger pinch prevention tool according to the present invention, the stopper is housed inside the mounting hole when not operating, and moves with respect to the base during operation so that the contact portion moves from the mounting hole. Since the abutting portion is adapted to move toward the outside in the opening/closing direction with respect to the edge portion of the mounting hole while protruding toward the other door plate, it is possible to move the door plate to a position outside the mounting hole. it can. Therefore, the door plate can be opened wider. Even if the sliding door finger pinch prevention device cannot be attached to the end portion of the door plate, the opening of the cabinet can be widened, so that the sliding door fingers can be used for door plates of various shapes and structures. A pinch prevention device can be attached.

It is the perspective view which looked at the sliding door device provided with the finger trapping prevention tool for sliding doors concerning an embodiment of the invention from the back side. It is the perspective view which looked at the sliding door apparatus of FIG. 1 from the front side. FIG. 7 is an exploded perspective view showing a state where the sliding door finger pinch prevention device is attached to a door plate. It is a perspective view which shows the state at the time of non-operation of the finger pinching prevention tool for sliding doors. FIG. 5 is a perspective view showing a state during operation of the sliding door finger pinching prevention device, which corresponds to FIG. 4. FIG. 6 is an exploded perspective view of FIG. 5. It is the perspective view which looked at FIG. 5 from the paper surface reverse side. It is a perspective view which shows the base of the finger trapping prevention tool for sliding doors alone. It is a perspective view which shows the stopper of the finger trapping prevention tool for sliding doors alone. It is the figure which looked at the sliding door device from the upper part, (A) is a top view which shows the state at the time of operation of the finger trapping prevention tool for sliding doors, (B). It is an expanded sectional view of the X section of FIG. 10(A). FIG. 10 is a perspective view showing a modified example of the sliding door finger pinch prevention device and showing a state when not operating. FIG. 13 is a perspective view showing a modified example of the sliding door finger pinch prevention device and showing a state during operation, and corresponds to FIG. 12.

Hereinafter, a sliding door finger pinch prevention device 10 according to an embodiment of the present invention and a sliding door device 1 using the same will be described in detail with reference to the drawings.
FIG. 1 is a perspective view of a sliding door device 1 including a sliding door finger pinching prevention device 10 according to the present invention, as viewed from the back side (inside of the cabinet 2). 2 is a perspective view of the sliding door device 1 of FIG. 1 as viewed from the front side (outside of the cabinet 2). Further, FIG. 3 is an exploded perspective view showing a state in which the sliding door finger pinch prevention device 10 is attached to the door plate 3.

The terms “left side”, “right side”, “front side”, “back side”, “upper side”, and “lower side” used in the following description mean that the sliding door device 1 is viewed from the outside of the cabinet 2 as shown in FIG. The direction (direction viewed from the user side). Further, the "opening/closing direction" means the left-right direction in which the door plate moves.

As shown in FIGS. 1 and 2, the sliding door device 1 includes two door plates 3 and 4 arranged side by side in the front and rear. The door plate 3 that closes the left half of the opening of the cabinet 2 is located on the front side and can be opened by sliding to the right. Similarly, the door plate 4 that closes the right half is located on the back side and is opened by sliding to the left side. Although the number of door plates is two in this embodiment, it may be three or more.

As the door plates 3 and 4, those having a simple office design and those having various shapes and designs in order to bring out a stylish design are used. As the door plates 3 and 4 shown in FIGS. 1 and 2, in order to improve the design of the cabinet 2, a handle part having a special shape is used.

The door plate 3 includes a glass 3a provided in a central portion, a door frame 3b surrounding four outer circumferences of the glass 3a, and a handle 3c located on the left side of the door frame 3b and continuous in the up-down direction. It is composed of. The inside of the thickness of the handle 3c has a hollow shape, and the front side portion is vertically cut out in a slit shape (see FIGS. 1 and 2 and details will be described later). See FIG. 10). The user can insert his/her finger through the slit-shaped notch and hold the handle 3c.
The door plate 4 also has the same structure as the door plate 3, and is composed of a glass 4a, a door frame 4b, and a handle 4c located on the right side of the door frame 4b.

On the other hand, as shown in FIG. 1, a sliding door finger pinch prevention device 10 is attached to the back surface of the front door plate 3. That is, the finger-pinch prevention tool 10 for the sliding door is attached to a position that cannot be seen from the front side of the cabinet 2. This enhances the design as seen from the user and does not impair the appearance of the cabinet.

This sliding door finger pinch prevention device 10 is attached to a door frame 3b as shown in FIGS. More specifically, the door frame 3b is provided with a mounting hole 5 that is hollowed out by a counterboring process, and the base 20 of the sliding door finger pinch prevention device 10 is provided in the mounting hole 5 (details will be described later). Are attached in an embedded manner.

The above-mentioned mounting hole 5 cannot be naturally processed in the glass 3a. Further, it is not possible to perform counterboring at the position of the handle 3c having a hollow inside. Therefore, the attachment hole 5 is provided in the door frame 3b as the only option, and the finger trapping prevention tool 10 for the sliding door can be attached only to the position of the attachment hole 5.

4 is a perspective view showing a non-operating state of the sliding door finger pinch prevention device 10, FIG. 5 is a perspective view showing a state during operation, and FIG. 6 is an exploded perspective view of FIG. Further, FIG. 7 is a perspective view seen from the opposite side of the paper surface of FIG. Further, FIG. 8 is a perspective view showing the base 20 of the sliding door finger pinching prevention device 10 alone, and FIG. 9 is a perspective view showing the stopper 30 of the sliding door finger pinching prevention device 10 alone.

As shown in FIGS. 4 to 7 (in particular, see FIG. 6 ), the finger trapping prevention tool 10 for the sliding door is for attaching the base 20, the stopper 30 accommodated in the base 20, and the stopper 30 to the base 20. And a shaft 40 of.

As shown in FIG. 8(A), the base 20 is formed in a shape in which the central portion is recessed toward the front side, and the stopper 30 is accommodated in the central portion. The base 20 has a vertically symmetrical shape, and mounting portions 21 and 21 that are installed parallel to the back surface of the door plate 3 are provided on the upper side and the lower side. Mounting holes 21a through which the mounting screws 11 (see FIG. 3) are inserted are formed in the mounting portions 21 and 21, and screw holes are provided around the mounting holes 5 (see FIG. 3) of the door plate 3. It corresponds to the position of 6.

Further, as shown in FIG. 8A, the base 20 has side wall portions 22 and 22 extending from the upper and lower mounting portions 21 and 21 toward the front side, and upper and lower side portions of the side wall portions 22 and 22 that are vertically connected. And a bottom surface portion 23 that operates. The above-described shape in which the central portion is recessed is formed by the side wall portions 22 and 22 and the bottom surface portion 23.

Shaft insertion holes 22a are formed on the left side of the upper and lower side wall portions 22, respectively. A shaft 40, which will be described in detail later, is inserted into the shaft insertion hole 22a. Further, convex portions 22b and 22c are formed on the left and right sides of the shaft insertion hole 22a. A concave portion 31b of the stopper 30, which will be described in detail later, is fitted into the convex portions 22b and 22c.

The bottom surface portion 23 is formed on a surface substantially parallel to the mounting portion 21. As shown in FIGS. 8(A) and 8(B), this bottom surface portion 23 extends to the left side up to the vicinity of the shaft insertion hole 22a. Further, on the left side of the bottom surface portion 23, an inclined surface portion 24 is formed which is inclined obliquely from the left end portion of the bottom surface portion 23 toward the back side.

As shown in FIG. 3, the base 20 is attached so that the side wall portion 22, the bottom surface portion 23, and the inclined surface portion 24 are embedded in the attachment hole 5. The mounting portions 21, 21 are fixed to the outside of the mounting hole 5 and on the back surface of the door frame 3b with the screws 11.

The base 20 is integrally formed by bending a sheet metal by pressing. It should be noted that the resin material may be integrally molded.

The stopper 30 is integrally formed of a resin material, and is formed in a block shape elongated in the left-right direction. As shown in FIGS. 9(A) and 9(B), the stopper 30 includes a flat surface portion 31 formed on the front side and a flat surface receiving portion formed on the opposite side (back side) of the flat surface portion 31. And 35. Further, on the left side of the stopper 30, a shaft insertion hole 31a penetrating in the vertical direction is provided. Further, on the right side of the shaft insertion hole 31a, concave portions 31b that fit with the convex portions 22b and 22c of the base 20 are provided so as to be recessed on both upper and lower sides.
The projections 22b and 22c of the base 20 and the recesses 31b of the stopper 30 may be configured so that their respective concavities and convexities are reversed.

On the right side of the flat surface receiving portion 35, a groove portion 32 that is recessed toward the front side of the flat surface receiving portion 35 is formed. The groove 32 is continuously provided in the vertical direction. Further, on the further right side of the groove portion 32, a projection-shaped receiving portion 34 that projects toward the inner side is formed. Further, on the right side of the flat surface portion 31, there is provided an abutting portion 33 that projects toward the front side of the flat surface portion 31. The projection-shaped receiving portion 34 and the contact portion 33 are continuously provided in the vertical direction.

The stopper 30 is rotatably attached to the base 20 via a shaft 40, as shown in FIG. When the sliding door finger pinch prevention device 10 is in the non-operating state, as shown in FIG. 4, the stopper 30 is rotated rightward about the shaft 40, and the inside of the base 20 (the side wall portion 22 and the bottom surface). It is housed in a portion surrounded by a portion 23). On the other hand, in the state in which the sliding door finger pinch prevention device 10 is in operation, as shown in FIGS. 5 and 7, the stopper 30 is rotated leftward about the shaft 40, and the stopper 30 is fixed to the base 20. It will be in a state of jumping further left from the left end.

Next, the operation/action of the sliding door finger pinch prevention device 10 according to the embodiment of the present invention and the sliding door device 1 using the same will be described with reference to FIGS. 10 and 11.
10: is the figure which looked at the sliding door apparatus from the upper side, (A) is a top view which shows the state at the time of operation|movement of the finger trapping prevention tool for sliding doors, and (B) shows the state at the time of non-operation. Further, FIG. 11 is an enlarged cross-sectional view of the X portion of FIG. 10A, in which the stopper 30 during operation is shown by a solid line and the stopper 30 during non-operation is shown by a dotted line.

During normal use, the sliding door device 1 brings the finger-pinch prevention tool 10 for sliding doors into an operating state, as shown in FIG. 10(A). In this state, when the door panel 4 located on the back side is moved to the left side (or when the door panel 3 located on the front side is moved to the right side), the left end portion of the door panel 4 on the back side is It is possible to prevent the door plate 4 (door plate 3) from moving relative to the state shown in FIG. 10(A) by hitting the contact portion 33 of the stopper 30. Therefore, the user holding the handle 4c of the door plate 4 on the back side is prevented from being pinched by the door plate 3 on the front side.

In the state of the sliding door finger pinch prevention device 10 at this time, as shown in FIG. 11, the stopper 30 shown by a solid line is rotating to the left along the R direction around the shaft 40. At this time, since the abutting portion 33 of the stopper 30 is located outside the edge 5a of the mounting hole 5 to the outside on the left side, the rear side door plate 4 is moved to the left side as far as possible (the rear side door plate). 4 comes into contact with the abutting portion 33 in a state of passing through the base 20 attached to the attachment hole 5. Therefore, it becomes possible to open the door plate 4 on the back side to a larger extent as compared with the conventional structure in which the stopper is projected and housed at the position of the mounting hole 5.

Further, when the sliding door finger pinch prevention device 10 is in operation, the flat surface receiving portion 35 of the stopper 30 is in surface contact with the inclined surface portion 24 of the base 20, as shown in FIG. 11. Further, the concave portion 31b of the stopper 30 and the left convex portion 22b of the base 20 are adapted to be fitted together at the operating position. Further, the projection-shaped receiving portion 34 of the stopper 30 abuts on the back surface of the door plate 3. As a result, the position of the stopper 30 in the operating state is regulated. Further, the stopper 30 is prevented from being damaged by receiving the impact of these structures when the back side door plate 4 hits the contact portion 33.

Further, a groove portion 32 is provided in the stopper 30 so that the stopper 30 can be rotated to the left side to a greater extent, and the edge portion 5a of the mounting hole 5 is inserted inside the groove portion 32 (see FIG. 11). As a result, the contact portion 33 can be moved further to the outer position.

On the other hand, when the sliding door finger pinch prevention device 10 is in the non-operating state, as shown in FIG. 10B, since the stopper 30 does not project, the door plates 3 and 4 can freely move in the opening/closing direction. it can. At this time, the stopper 30 shown by the dotted line in FIG. 11 is rotated rightward about the shaft 40 along the R direction.

At this time, the flat surface portion 31 of the stopper 30 comes into contact with the bottom surface portion 23 of the base 20 in a plane. Further, the concave portion 31b of the stopper 30 and the right convex portion 22c of the base 20 are adapted to be fitted together in a non-operating position. As a result, the position of the stopper 30 in the non-operating state is regulated.

Switching between operation/non-operation of the sliding door finger pinch prevention device 10 is performed by a user putting his/her hand on the back surface side of the door plate 3 and rotating the stopper 30. In addition, the user can easily recognize whether or not the stopper 30 is protruding by feeling the hand. The fitting between the convex portions 22b, 22c and the concave portion 31b is such that the user can manually rotate the stopper 30.

According to the finger trapping prevention tool 10 for a sliding door and the sliding door device 1 using the same according to the embodiment of the present invention, a base 20 mounted in a manner embedded in a mounting hole 5 provided in one door plate 3, A stopper 30 that is movably attached to the base 20 and has an abutment portion 33 for abutting the other door plate 4, and the stopper 30 is housed inside the attachment hole 5 when not operating, During operation, it moves with respect to the base 20, the contact portion 33 projects from the mounting hole 5 toward the other door plate 4, and the contact portion 33 extends to the outside in the opening and closing direction from the edge portion 5a of the mounting hole 5. Since it is moved, the door plate 4 can be moved to a position outside the mounting hole 5. Therefore, the door plate 4 can be opened further. Further, even if the sliding door finger pinch prevention device 10 cannot be attached to the end portion of the door plate 3, a wider opening of the cabinet can be ensured, and thus the sliding door can be used for door plates of various shapes and structures. The finger pinch prevention device 10 can be used.

Further, since the stopper 30 is configured to be rotationally moved with respect to the base 20 via the shaft 40, the contact portion 33 is moved to a position outside the edge 5a of the mounting hole 5 with a simple structure. be able to.

Further, since the stopper 30 is formed with the groove portion 32 into which the edge portion 5a of the mounting hole 5 is inserted at the time of operation, the stopper 30 can be rotated more largely. Therefore, the contact portion 33 can be moved to a position further outside the edge portion 5a of the mounting hole 5.

Further, since the base 20 is provided with the inclined surface portion 24 that comes into contact with the stopper 30 that has been rotationally moved to regulate the position of the stopper 30 during operation, the position of the stopper 30 during operation does not shift. Further, when the door plate 4 hits the contact portion 33, the impact can be received by the inclined surface portion 24, so that the stopper 30 can be prevented from being damaged.

Further, since the stopper 30 is provided with the projection-shaped receiving portion 34 that projects to the opposite side of the contact portion 33 and comes into contact with one of the door plates 3 when rotationally moved, the position of the stopper 30 during operation is displaced. Will disappear. Further, when the door plate 4 hits the abutting portion 33, the impact can be received by the back surface of the door plate 3 via the projection-shaped receiving portion 34, so that the stopper 30 can be prevented from being damaged.

Although the finger pinching prevention device for a sliding door according to the embodiment of the present invention and the sliding door device using the same have been described above, the present invention is not limited to the above-described embodiments and the technical idea of the present invention. Various modifications and changes can be made based on
For example, in the present embodiment, the stopper 30 has a structure that rotates about the shaft 40, but the structure is not limited to the structure that rotates.

The sliding door finger pinch prevention tool 110 of FIGS. 12 and 13 shows a modification of the present embodiment. The same structures as those used in the above-described embodiments are designated by the same reference numerals, and detailed description thereof will be omitted.

In this sliding door finger pinch prevention tool 110, the stopper 30 slides along a slide hole 122b formed in the side wall portion 22 of the base 120. More specifically, the slide hole 122b is formed so as to incline obliquely from the front side to the back side from the right side to the left side. As shown in FIG. 13, the contact portion 33 of the stopper 30 moves obliquely toward the inner side on the left side in the operating state. Also by this, similarly to the rotating operation of the present embodiment, the contact portion 33 can be moved to the outside of the edge portion 5a of the mounting hole 5 in the opening/closing direction.

1 Sliding door device (sliding door device)
2 Cabinets 3 and 4 Door plates 3a and 4a Glasses 3b and 4b Door frames 3c and 4c Handles 5 Mounting holes 5a Edges of mounting holes 6 Screw holes 10 and 110 Sliding door finger grip prevention tools 11 Mounting screws 20 and 120 Base 21 mounting parts 21a Mounting hole 22 Side wall part 22a Shaft insertion hole 22b, 22c Convex part 23 Bottom part 24 Sloping surface part 30 Stopper 31 Flat part 31a Shaft insertion hole 31b Recessed part 32 Groove part 33 Abutment part 34 Projection receiving part 35 Shaft receiving part 40 Shaft 122b slide hole

Claims (7)

Used in a sliding door device in which at least two door plates are juxtaposed and move in the opening and closing directions, and a finger pinching prevention device for a sliding door for preventing a user from pinching a finger with the door plate when moving the door plates. And
A base mounted in a manner to be embedded in a mounting hole provided in one of the door plates,
A stopper that is movably attached to the base and has a contact portion for contacting the other door plate,
The stopper is accommodated inside the mounting hole when not in operation, moves with respect to the base during operation, and the contact portion projects from the mounting hole toward the other door plate,
When the contact portion moves to the outside in the opening/closing direction with respect to the edge of the mounting hole and opens the other door plate, the other door plate contacts the contact portion after passing through the base. A finger trapping prevention tool for sliding doors, which is characterized in that The finger trapping prevention tool for the sliding door according to claim 1, wherein the stopper is configured to slide in the opening/closing direction with respect to the base. A sliding door device provided with a finger-pinch prevention device for a sliding door for preventing a user from pinching his/her finger with the door plates when at least two door plates arranged side by side move in respective opening/closing directions,
The finger trapping prevention tool for the sliding door,
A base mounted in a manner to be embedded in a mounting hole provided in one of the door plates,
A stopper that is movably attached to the base and has a contact portion for contacting the other door plate,
The stopper is accommodated inside the mounting hole when not in operation, moves with respect to the base during operation, and the contact portion projects from the mounting hole toward the other door plate,
When the contact portion moves to the outside in the opening/closing direction with respect to the edge of the mounting hole and opens the other door plate, the other door plate contacts the contact portion after passing through the base. Sliding door device characterized in that The sliding door device according to claim 3, wherein the stopper is configured to rotate relative to the base via an axis. The sliding door device according to claim 3 or 4, wherein the stopper is formed with a groove portion into which an edge portion of the mounting hole enters during operation. The projection-shaped receiving part which protrudes to the opposite side of the said contact part and which contacts the said one door plate when it rotationally moves is provided in the said stopper, The claim 4 or claim 5 characterized by the above-mentioned. Sliding door device. The sliding door device according to claim 3, wherein the stopper is configured to slide in the opening/closing direction with respect to the base.

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