JP3235461U - Door opening and closing equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door opening / closing device which is a door closed by a magnet or a torque closing type door, which can be easily attached to a door which opens toward the front and can be opened / closed by a foot. SOLUTION: In a showcase 100 provided with a door 101 that opens and closes toward the front side on a base 102, a door opening / closing device 1 for opening / closing the door 101 with a foot is provided, and the door opening / closing device 1 is an upper device. The upper appliance 10 has a door fixing portion 12 and an upper support portion 11 and is attached to the door 101, and the lower appliance 20 has a frame portion 26 fixed to the base 102 and is rotatable. The lower support portion 23 and the pedal 21 on the lower end side thereof are attached to the base portion 102, and the upper end portion of the lower support portion 23 is arranged so as to be in contact with the inner side of the upper support portion 11, and the shaft portion 25 is used as a shaft. The lower end of the lower support 23 and the lower end of the upper support 11 are located in the rotation circle R drawn by the upper end of the lower support 23, and the lower end of the upper support 11 is the toe hook portion 14. The above-mentioned problem can be solved by the door opening / closing device 1 which is said to be. [Selection diagram] Fig. 3

Description

The present invention relates to a door opening / closing device. In particular, the present invention relates to a door opening / closing device that is a door that is closed by a magnet or a torque closing type door that can be easily attached to a door that opens toward the front and that can be opened and closed by a foot.

Due to the recent corona sickness, it is recommended to avoid touching things to prevent virus infection. It is absolutely impossible to live without touching things at all, but you can do it in your daily life without touching things as much as possible.
For example, there is a daily routine of going to a convenience store, opening the door of a refrigerated showcase, taking out beverages, and paying at the cash register. At this time, if the door of the refrigerated showcase can be opened and closed without touching the door, it will be greatly useful for preventing virus infection, considering the number of convenience stores, the number of users, the frequency of use, etc. ..
The door of the refrigerated showcase is a door that closes with a magnet or a torque-closed door, and is generally a door that opens to the front. Therefore, we investigated such a door opening / closing device that can be operated without using hands.

The following devices can be used to open and close the door without touching it.
Patent Document 1 describes a device provided with an operation piece for catching a foot and opening the refrigerator door when both hands are closed. The invention described in Patent Document 1 does not have a mechanism for unlocking the door by a magnet.
Patent Document 2 describes a refrigerator door opening device provided with upper and lower doors, in which the lower door is opened when the foot lever is depressed, and the upper door is opened when the foot lever is pulled up. Patent Document 5 describes a device that can be attached to a refrigerator or the like after installation and can be operated by stepping on a lever with a foot. The inventions described in Patent Documents 2 and 5 do not have a mechanism for unlocking a door or a door by a magnet.

Patent Document 3 describes an opening / closing assisting tool that can be fixed to a sliding door and can be opened even if both hands are closed. Patent Document 4 describes a door opening / closing operation tool that can be easily attached and that can open / close the sliding door with a foot. The inventions described in Patent Documents 3 and 4 are used for sliding doors and cannot be used for doors that open toward the front.

Patent Document 6 describes a configuration in which a pedal is stepped on to unlock the door, the door is pushed by the body, and the room can be entered without using a hand. The invention described in Patent Document 6 is a lock in which a door lock fixes a door to the floor, and can be applied only to a door that is pushed inward by the body, and cannot be used for a door that opens toward the front or a door.

Japanese Unexamined Patent Publication No. 2005-214298 Japanese Unexamined Patent Publication No. 6-137751 Registered Utility Model No. 3093680 Registered Utility Model No. 3227836 Japanese Unexamined Patent Publication No. 10-2532339 Japanese Unexamined Patent Publication No. 8-270293

The present inventor has considered various door opening / closing devices that are doors that can be closed with a magnet or torque-closed doors that can be easily attached to doors that open toward you or that can be opened and closed without using your hands, and use your feet. I noticed that if you open and close the door, you can open and close the door without using your hands, and if you attach the device to the bottom of the door, you can easily open and close it with your feet.
Taking into consideration the ease of attachment, operability with the foot, usability, etc., we created instruments of various forms, materials, and sizes through trial and error, and came up with the instrument of the present invention.

An object of the present invention is to provide a door opening / closing device which is a door closed by a magnet or a torque closing type door, which can be attached to a door that opens toward the front and can be opened / closed without touching the door. do.

The modes of means for solving the above problems are as follows.
[First aspect]
The first aspect is a showcase having a pedestal and a door that opens and closes toward the front on the pedestal, and is provided with a door that is closed by a magnet or a torque-closed door, and the door is opened and closed by a foot. It is a door opening and closing device for
The door opening / closing device has an upper device and a lower device.
The upper device has a door fixing portion and an upper support portion, and is attached to the lower end position on the opening side of the door.
The lower device includes a frame portion fixed to the base portion, a lower support portion rotatably connected around the shaft portion, and a pedal connected to the lower end side of the lower support portion. Then, when the door is closed, it is attached to the upper end position of the base portion at a position below the position where the upper device is attached.
When the door is closed, the upper end portion of the lower support portion is arranged so as to be in contact with the inner side of the upper support portion.
The lower end of the lower support and the lower end of the upper support are located within the rotation circle drawn by the upper end of the lower support about the shaft.
A door opening / closing device characterized in that the lower end portion of the upper support portion is a toe hook portion.

[Action effect]
Since the present invention has the door fixing portion and the frame portion, the upper device can be easily attached to the door and the lower device can be easily attached to the base.
In the present invention, the lower device has a shaft portion, a lower support portion rotatably connected with the shaft portion as an axis, and a pedal connected to the lower end side of the lower support portion. When the pedal connected to the lower support portion is stepped on with a foot, the lower support portion can be rotated around the shaft portion.
Further, since the upper end portion of the lower support portion is arranged so as to be in contact with the inner side of the upper support portion when the door is closed, the lower support portion is rotated by the rotation of the lower support portion. The upper end portion of the door pushes the inner side of the upper support portion, and the door can be pulled out slightly toward the front side against the force of a magnet or torque. This makes it possible to form a gap for inserting the toe into the toe hook. As a result, the toes are inserted into the gap, the toes are hooked on the lower end of the upper support portion, which is the toe hooking portion, and the door is greatly expanded toward the front side without touching the door. Can be pulled out.

[Second aspect]
In the second aspect, the frame portion has a base portion fixing portion fixed to the base portion, a back surface portion connected to the base portion fixing portion, and a side surface portion connected to the back surface portion. The door opening / closing device according to the first aspect, wherein the shaft portion is attached to a shaft hole provided in the side surface portion.

[Action effect]
Since the present invention includes the pedestal fixing portion having the above configuration, the lower device can be easily attached to the pedestal, and since the back surface is provided, the lower device can be stably attached to the pedestal. Since the shaft portion is provided with the side surface portion and is attached to the shaft hole provided in the side surface portion, the shaft portion can be stably attached and the pedal can be rotated as desired.

As described above, according to the present invention, a door opening / closing device which is a door closed by a magnet or a torque closing type door, can be attached to a door that opens toward the front, and can be opened / closed without touching the door. Can be provided.

It is a front view which shows an example of the door which attached the door opening / closing device of this invention. FIG. 1 is an enlarged view of part A in FIG. 1, and is a front view of the door opening / closing device of the present invention. It is a side view of the door opening / closing device of this invention. It is a continuous explanatory drawing which shows an example of the opening operation of the door which attached the door opening / closing device of this invention. It is a continuous photograph which shows an example of the opening operation of the door which attached the door opening / closing device of this invention.

(Door opening / closing device)
FIG. 1 is a front view showing an example of a door to which the door opening / closing device of the present invention is attached.
FIG. 1 shows a showcase 100. The showcase 100 is a refrigerated showcase that is installed in a convenience store or the like and stores beverage bottles and cans, and has a door 101 on a base 102. The door 101 is provided with a handle 103, which is a mechanism for pulling the handle 103 to open and close the door 101 toward the front side. A magnet latch is attached to the door 101, and the door 101 is closed by a magnet.
A door opening / closing device 1 for opening / closing the door 101 with a foot is attached to the showcase 100.

FIG. 2 is an enlarged view of part A in FIG. 1, and is a front view of the door opening / closing device 1 of the present invention. FIG. 3 is a side view of the door opening / closing device 1 of the present invention.
The door opening / closing device 1 is a position below the upper device 10 attached to the lower end position on the opening side of the door 101 and the position where the upper device 10 is attached when the door 101 is closed, and is located at the upper end position of the base 102. It has a lower device 20 to be attached.

(Upper device)
The upper appliance 10 has a door fixing portion 12 attached to the door 101 and an upper supporting portion 11 connected to the door fixing portion 12 with screws 13.
The door fixing portion 12 has a plastic plate-shaped member in a U-shape when viewed from the side, and the lower end portion of the door 101 is fitted and fixed, and further fixed by a screw 13. However, the present invention is not limited to this, and an L-shaped member may be used. Further, an elastic member may be used to stabilize the fitting and fixing. If only fitting and fixing is sufficient for fixing, only fitting and fixing may be used.

The upper support portion 11 is formed by forming a plastic cylindrical pipe member into an inverted U-shape when viewed from the front and a substantially inverted L-shape when viewed from the side. The front side portion is hung in the direct downward direction, and the back side of the tip portion thereof is a toe hook portion 14. When the door is closed, the toe hook 14 is directly above the pedal 21, and when the pedal is operated to open the door a little, the foot hook 14 opens a slight gap from directly above the pedal 21. Since it is in the position, the toes can be easily moved to the toe hooking portion 14 by separating the toes from the pedal.

The toe hook portion 14 is the surface of the pipe on the inner side of the tip end portion of the upper support portion 11, but the surface of the pipe may be unevenly processed. As a result, it is possible to reduce the possibility that the toe hook portion 14 will slip off from the toe.
The upper support portion 11 is not limited to a plastic cylindrical pipe member, but is not limited to this, and may be made of aluminum, or may be a square cylinder, a polygon cylinder, a cylinder, or a prism member. Since the tip portion is a toe hook portion 14, a member having high durability and light weight is preferable.

(Lower instrument)
The lower appliance 20 includes a frame portion 26 fixed to the base portion 102, a shaft portion 25 connected to the frame portion 26, a lower support portion 23 rotatably connected around the shaft portion 25, and a lower portion. It has a pedal 21 connected to the lower end side of the side support portion 23.

The frame portion 26 has a base portion fixing portion 26A fixed to the base portion 102, a back surface portion 26B connected to the base portion fixing portion 26A, and a side surface portion 26C connected to the back surface portion 26B.

The base portion fixing portion 26A is a U-shaped member in a side view, and the upper end portion of the base portion 102 is fitted and fixed. As a result, the lower device 20 can be easily attached to the base 102.
The back surface portion 26B is arranged in contact with the base portion 102. As a result, the lower device 20 can be stably attached to the base 102.
The two side surface portions 26C are provided so as to project forward at an angle perpendicular to the back surface portion 26B, are arranged facing each other, and a shaft hole is formed at the facing position. As a result, the shaft portion 25 can be stably and easily attached, and the pedal can be rotated as desired by using the shaft portion as a rotation shaft.

It is preferable that the frame portion 26 is made by bending a single plate-shaped member made of aluminum. Thereby, the pedestal fixing portion 26A, the back surface portion 26B, and the side surface portion 26C can be easily formed. In addition, the manufacturing cost can be reduced.
However, the present invention is not limited to this, and may be produced by joining plastic plate-shaped members.

The lower support portion 23 uses a plastic cylindrical pipe member, but is not limited to this, and may be made of aluminum, or may be a square cylinder, a polygon cylinder, a cylinder, or a prism member. .. The lower support portion 23 is preferably a member having high durability and light weight.

The lower support portion 23 has an inverted U-shape when viewed from the front and an inverted U-shape when viewed from the side. Further, a pedal 21 is attached to the lower end side. The shaft portion 25 is joined to the inside of the bent portion.

The angle α bent in a dogleg shape is about 45 degrees. The angle α is preferably 30 degrees or more and 90 degrees or less, and more preferably 40 degrees or more and 80 degrees or less. Within this angle range, you can easily put your foot on the pedal and step on it.

The pedal 21 is a plate-shaped member having a rectangular shape in a plan view. The length L and the width B are about 10 cm and about 15 cm, respectively. The length L and width B are preferably 5 cm or more and 15 cm or less, and more preferably 7 cm or more and 12 cm or less. Within these ranges, you can easily put your foot on the pedal and step on it.

It is preferable that the pedal 21 and the upper support portion 11 are arranged close to each other when the door 101 is attached to the door 101 and the door 101 is closed. More specifically, it is preferable that the upper end side of the pedal 21 and the tip end side of the upper support portion 11 are arranged close to each other. More specifically, it is preferable that the upper end side of the pedal 21 and the tip end side of the upper support portion 11 are arranged within 5 cm. As a result, the tip of the foot placed on the pedal 21 can be quickly moved to the tip hooking portion 14 on the back side of the lower end portion of the upper support portion 11.

(How to open and close the door)
FIG. 4 is a continuous explanatory view showing an example of a door opening operation to which the door opening / closing device of the present invention is attached. FIG. 4 shows a rotation circle R drawn by the upper end portion of the lower support portion 23 about the shaft portion 25 as an axis.
As shown in FIGS. 3 and 4A, when the door 101 is closed, the upper end portion of the lower support portion 23 is arranged so as to be in contact with the inner side of the upper support portion 11 (FIG. 4 (a). )reference). As a result, the upper end portion of the lower support portion 23 can push the inner side of the lower end portion of the upper support portion 11 by the rotation of the lower support portion 23 about the shaft portion 25 as an axis. Further, this allows the door 101 to be pulled out slightly toward the front side against the force of the magnet or torque.
The upper end portion of the lower support portion 23 may be in contact with the inner side of the upper support portion 11, or may be arranged so as to be in contact with the inner end portion.

When the pedal 21 is stepped on with a foot, the lower support portion 23 rotates around the shaft portion 25, and the upper end portion of the lower support portion 23 pushes the inner side of the upper support portion 11 against the force of the magnet or torque. , Pull out the door 101 slightly toward you (see FIGS. 4 (b) and 4 (c)). This makes it possible to form a gap for hooking the toes on the toe hooking portion 14.

Pull out the door 101 slightly toward the front side, insert the toes into the gap for hooking the toes on the toe hooking portion 14, and hook the toes on the lower end of the upper support portion 11 which is the toe hooking portion 14. Then, the door 101 is pulled out to the front side (see FIGS. 4 (d) and 4 (e)). As a result, the door 101 can be opened without touching the hands, and beverages and the like can be taken out.

After taking out the beverage or the like, the door is returned to the original position by separating the toes from the lower end of the upper support portion 11, and the door is closed with a magnet. At this time, the upper end portion of the lower support portion 23 is arranged so as to be in contact with the inner side of the upper support portion 11.

During the rotation, it is preferable that the lower end portion of the lower support portion 23 and the lower end portion of the upper support portion 11 are located in the rotation circle R.
As a result, the force with which the tip of the foot steps on the pedal can be efficiently used as the force with which the upper end portion of the lower support portion 23 pushes the inner side of the lower end portion of the upper support portion 11.

The door 101 is provided with a magnet latch and is closed by a magnet, but the door 101 is not limited to this, and may be a torque closing type door.

(Example 1)
First, a side-viewing U-shaped door fixing portion is formed from an aluminum plate-shaped member, and then the pipe member is processed into a front-view inverted U-shape and a side-view substantially inverted L-shape to form an upper support portion. And attached the upper support part to the door fixing part with a screw to attach the pipe part to create the upper member.

Next, two shaft holes are formed in the aluminum plate-shaped member, the outer contour is cut out, and then the predetermined position is bent. Form a triangular side surface part, create a frame part, process the pipe member into a front view inverted U shape and a side view inverted shape, then attach a pedal to the lower end side and bend After joining the shaft portion to the inside to create a lower support portion, the shaft portion was attached to the shaft hole to create a lower member.
As described above, the door opening / closing device of the present invention was created.

Next, the lower end of the door is fitted and fixed to the side-viewing U-shaped door fixing portion of the upper member, and then screwed to the side-viewing U-shaped base fixing portion of the lower member. , The upper end of the base was fitted and fixed, and the door opening / closing device of the present invention was attached to the door.

Next, I checked the operation while taking continuous pictures.
FIG. 5 is a continuous photograph showing an example of the opening operation of the door to which the created door opening / closing device is attached.
As shown in FIG. 5, the magnet lock could be easily released by stepping on the pedal with the foot, and the door could be opened slightly toward you. I was able to insert my toes into the gap created at that time and hook my toes on the toe hook. Then, by pulling the toes slightly toward you, you could pull the toe hook part toward you with your toes and open the door without using your hands. Furthermore, it was possible to return to the original state by removing the toes.
No matter how many times I operated it, I was able to open and close it smoothly without touching the door.

Since the door opening / closing device of the present invention has a mechanism that allows the door to be opened / closed with a foot and can be easily attached to the door, it can be used in the field of manufacturing and the field of use of the door opening / closing device.

1 ... Door opening / closing device, 10 ... Upper device, 11 ... Upper support, 12 ... Door fixing part, 13 ... Screw, 14 ... Toe hook, 20 ... Lower device, 21 ... Pedal, 23 ... Lower support Part, 25 ... Shaft part, 26 ... Frame part, 26A ... Base part fixing part, 26B ... Back part, 26C ... Side part, 100 ... Showcase, 101 ... Door, 102 ... Base part, 103 ... Handle, 200 ... Foot , B ... width, L ... length, R ... rotating circle.

Claims (2)

A door opening / closing device for opening and closing the door with a foot in a showcase provided with a pedestal and a door that opens and closes toward you on the pedestal and is closed by a magnet or a torque-closing door. There,
The door opening / closing device has an upper device and a lower device.
The upper device has a door fixing portion and an upper support portion, and is attached to the lower end position on the opening side of the door.
The lower device includes a frame portion fixed to the base portion, a lower support portion rotatably connected around the shaft portion, and a pedal connected to the lower end side of the lower support portion. Then, when the door is closed, it is attached to the upper end position of the base portion, which is a position below the position where the upper device is attached.
When the door is closed, the upper end portion of the lower support portion is arranged so as to be in contact with the inner side of the upper support portion.
The lower end of the lower support and the lower end of the upper support are located within the rotation circle drawn by the upper end of the lower support about the shaft.
A door opening / closing device characterized in that the lower end portion of the upper support portion is a toe hook portion. The frame portion has a base portion fixing portion fixed to the base portion, a back surface portion connected to the base portion fixing portion, and a side surface portion connected to the back surface portion, and the side surface portion has a side portion. The door opening / closing device according to claim 1, wherein the shaft portion is attached to the provided shaft hole.

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